C5 or C6 monosaccharide-(E)-3(furan-2-yl)monoacrylates, their preparation methods and uses thereof

Double -deck standard -sized sheet subtend formula cigarette barrel

The utility model discloses a double -deck standard -sized sheet subtend formula cigarette barrel, including lower floor's box body, upper box body, baffle and apron, upper and lower layer box body all is the cuboid container, dual opening, and wherein the top surface opening part has all set up card cigarette area, sets up the baffle between the box body of upper and lower layer, and the baffle connects through being connected the hinge with upper and lower layer of box body respectively, and one side of upper box body has all set up magnetic attraction structure still through connecting hinge connection cover plate on apron and the lower floor's box body, when each partial structure of barrel was foldd, the magnetic attraction structure of the two closely together. The barrel get by cigarette capsule process convenient, and the barrel structure is not destroyed when getting by the capsule, has guaranteed barrel repackaging's integrality.

Frequency isolated safety barrier

The utility model provides a frequency isolated safety barrier, includes power supply circuit, explosion -proof processing module, filter amplifier module, signal isolation module, drive reinforcing module, output circuit. Frequency isolated safety barrier, simple structure, low in production cost, temperature characteristic is good, the response is fast, the low -power consumption, keep apart effectually and the reliability is high.

Discharging block used in chip packaging process

The invention relates to a discharging block used in a chip packaging process, comprising a discharging block main body, to which locating parts for locating a ribbing tool are detachably fixed. A plurality of slots are symmetrically arranged on left and inner walls of the discharging block main body; alloy mold inserts are detachably fixed to the discharging block main body through the slots. In the invention, the detachable mold inserts replace locating parts integrated with the discharging block main body in the prior art; in a ribbing step of a chip packaging process, the locating parts used for locating the ribbing tool in the discharging block can contact with the ribbing tool so as to abrade the locating parts; in the invention, the detachable alloy mold inserts are used as locating parts, so that when any locating part is abraded, only the locating part needs to be replaced so as to avoid changing a whole discharging block, thereby prolonging the service life of the discharging ...

Schnüffeltabak und Schnüffeltabakbaugruppe

Die vorliegende Offenbarung betrifft die Tabakindustrie, und betrifft besonders einen Schnüffeltabak und eine Schnüffeltabakbaugruppe. Diese Offenbarung offenbart einen Schnüffeltabak, umfassend: einen Handheldabschnitt, der sich entlang einer vorgegebenen Axialrichtung erstreckt und zur Halterung in der Hand eines Benutzers konfiguriert wird; einen Füllabschnitt, der sich entlang der vorgegebenen Axialrichtung erstreckt und mit einem Ende des Handheldabschnitts in Verbindung steht, wobei der Füllabschnitt mit einem Füllraum versehen wird, in den ein Duftstoff eingefüllt wird; einen Schnüffelabschnitt, der sich entlang der vorgegebenen Axialrichtung erstreckt und mit einem Ende des Füllabschnitts in Verbindung steht, wobei entlang der vorgegebenen Axialrichtung ein Schnüffelkanal, der in Kommunikation mit dem Füllraum steht, in dem Schnüffelabschnitt vorgesehen wird; und einen Schnüffelstopfen, der zur Versiegelung des Schnüffelkanals konfiguriert wird und mit dem Schnüffelkanal in lösbarer ...

Tobacco suction device based on electromagnetic heating

The invention discloses a tobacco suction device based on electromagnetic heating. The tobacco suction device comprises an end cover, a heater and an electromagnetic induction system, wherein the end cover comprises a circular cover, an air inlet hole, a filter tip and a connecting buckle; the heater comprises a shell, a heat-insulating layer, an upper heating plate, a lower heating plate and a base plate; an air flow channel is formed between the shell and the heat-insulating layer; a circular-disk-shaped heating cavity is formed between the upper heating plate and the lower heating plate; the shell is provided with an operation panel. The electromagnetic induction system comprises induction coils, a switch, a power supply, a temperature control circuit and an electromagnetic control system; the electromagnetic induction coils are positioned in the end cover and the base plate respectively. The tobacco suction device has the beneficial effects of high heating speed, high heating efficiency ...

Metal composite molecular sieve with multiple ducts and preparation method thereof

The invention discloses a method for preparing a metal composite molecular sieve with multiple ducts. The method comprises the following steps: 1, dissolving metal nitrate in ethanol, adding silica gel, stirring until the ethanol is completely volatized, drying, and roasting to obtain metal poured silica gel composite material; 2, adding the metal poured silica gel composite material into an aqueous solution filled with a template agent, stirring, reacting in a hydrothermal reaction kettle, taking out after reaction, cooling, washing, calcining to obtain the metal composite molecular sieve with multiple ducts. The metal composite molecular sieve prepared by the method combines the performances of metal oxide and porous molecular sieve materials, is strong in adsorption capability, can be added into filter tips in cigarettes, can effectively reduce the release amount of harmful components in smoke of cigarettes, and is remarkable in effect of reducing B[a]P.

Test tube grabbing device for medical examination

The invention relates to the technical field of inspection auxiliary instruments, and discloses a medical inspection test tube grabbing device which comprises a clamp body, a wrench seat is rotatably connected to the interior of the clamp body, a clamping head is rotatably connected to the side, close to the wrench seat, of the interior of the clamp body, and a grabbing mechanism is arranged on the opposite faces of the clamp body and the clamping head; a grabbing force assembly is arranged in the grabbing mechanism. When a test tube is grabbed, after a penetrating rod is extruded, the bottom end of the penetrating rod makes contact with an oblique angle block, the oblique angle block is driven to move in a clamp body to continuously extrude an inflation bag, a push bag connected with the tail end of a telescopic pipe expands to drive a sliding rail frame to move, and a protruding column on the surface of the sliding rail frame pulls an annular sleeve to rotate and deviate, so that an arc-shaped ...

Large -scale coke oven charge of coke core temperature measuring device

The utility model relates to a large -scale coke oven charge of coke core temperature measuring device, including setting up the vertical temperature tube on coke oven carbomorphism room upper portion, set up the horizontal temperature tube in coke oven machine, burnt both sides furnace gate baker hole, transversely temperature tube slope setting, direction tilt up 6 in court's stove-8, being equipped with the angle scale on the furnace gate on baker hole side, indicating line is established at horizontal temperature tube afterbody center. Compared with the prior art, the beneficial effects of the utility model are that: 1 )Horizontal temperature tube slope sets up to the passing angle anale settting scale pinpoints, to the accurate control of lower part measuring point position, guarantees that measured data is accurate reliable when having realized utilizing furnace gate baker hole to set up lower part measuring device, accords with relevant standard requirement, 2 )Adopting vertical ...

It is double -deck in face of rotation type cigarette case

The utility model discloses an it is double -deck in face of rotation type cigarette case, it comprises the box body of two hexahedrons face -to -face, preceding box body openly openly sets up the rotating member with the back box body, the rotating member includes rotary sleeve and revolving fragment, set up the lid on the box body, the lid includes preceding lid and back lid, the one end of preceding box body, back box body is provided with preceding lid, back lid respectively, the lid is towards opening. The utility model provides an it is double -deck in face of rotation type cigarette case, the form is novel, simple structure, rotatory mode has increased the interest of cigarette case switching, the concern that can attract consumers, the lid has the kayser function that the box body irrotational then can not be uncapped to crossing position simultaneously, and is relatively independent because of the box body, and the cigarette that then can encapsulate two kinds of models or specification ...

Method for testing accelerated life of electronic product based on life-stress model

Portable blood analyzer for department

The invention relates to the technical field of medical detection instruments, and discloses a portable blood analyzer for departments, which comprises a main body, a cover plate is rotatably connected to the outer surface of the upper end of the main body, and a pull plate is movably connected to the position, close to the front end, of the outer surface of the right side of the main body. A through hole is formed in the position, close to the front end, of the outer surface of the upper end of the main body, a mixer is fixedly connected to the position, close to the rear end, of the outer surface of the upper end of the main body, an insertion groove is formed in the position, close to the middle of the right side, of the outer surface of the right side of the main body, and an outer inlet pipe is fixedly connected to the position, close to the rear end, of the main body; a fixing frame is fixedly connected to the position, close to the lower end, of the left outer surface of the pulling ...

Coconut clamping and conveying device based on ratchet wheel structure

The invention provides a coconut clamping and conveying device based on a ratchet wheel structure, and relates to the technical field of coconut processing equipment, the coconut clamping and conveying device comprises a coconut cup, a movable frame is arranged below the coconut cup, the movable frame is in sliding connection with the coconut cup, and a tension spring is installed between the movable frame and the coconut cup; at least three clamping seats are annularly and evenly distributed on the outer side of the coconut cup, a large tensioning arm is hinged between each clamping seat and the coconut cup, a small tensioning arm is hinged between each large tensioning arm and the movable frame, at least two limiting shaft barrels are arranged on each clamping seat, and the limiting shaft barrels are arranged on the coconut cup. According to the coconut clamping device, stable clamping of coconuts is achieved through the elastic force effect of the tensioning springs and the one-way rotation ...

Coating material producing and packaging equipment

The invention relates to the technical field of advanced inorganic non-metallic materials, and discloses coating material production and packaging equipment which comprises a packaging machine body, a conveying mechanism is arranged at the top end of the packaging machine body, a plurality of telescopic moving mechanisms are arranged at the bottom end of the packaging machine body, and a heat sealing mechanism is fixedly connected to the top end of the packaging machine body. Two supporting frames are fixedly connected to the middle of the top end of the packaging machine body, a feeding box is fixedly connected to one ends of the two supporting frames, a filtering and weighing mechanism is arranged on the inner wall of the feeding box, and a positioning mechanism is arranged at the position, located below the filtering and weighing mechanism, of the middle of the top end of the packaging machine body. By arranging the filtering and weighing mechanism, impurities and fragments in a coated ...

Nitrogen heterocyclic ring substituted arylpropenone compounds, preparation method and application thereof

The invention provides a nitrogen heterocyclic ring substituted aryl propenone compound (formula I), a preparation method and application thereof. The structural formula of the compound is shown in the formula I, wherein in the formula I, R in X (shown as formula on the right) is H, F, Cl, Br, CH3O, C2H5O, 2, 4-dichloro, NO2 and CH3; and in the formula I, Y is 2-nitroiminoimidazolidine, 2-cyanoimino-1, 3-thiazolidine, thiazolidine and other nitrogen heterocyclic rings. The compound has excellent chemical killing activity to aphid, tetranychus cinnabarinus, diamondback moth and other harmful pests, and biological activity of partial compound is equivalent to that of control insecticides. Furthermore, compared with effective constituents of natural Stellera chamaejasma L, the compound has the advantages that the compound has simple structure and easy acquisition, and can be actually applied to agricultural production.

High-accuracy capacitor micrometer

The invention discloses a high-accuracy capacitor micrometer which comprises a shell, a measuring rod, a capacitor sensor, an upper sleeve, a lower sleeve, a small sleeve, a fixed block and a level positioning block. A layer of plate rings is arranged in the middle of the cylindrical shell, the upper sleeve and the lower sleeve are respectively fixed in through holes at two radial ends of the shell, the measuring rod penetrates through inner holes of the upper sleeve and the lower sleeve, the small sleeve is fixedly arranged in the rod part of the measuring rod in the shell, a spring is arranged between the small sleeve and the upper sleeve, the capacitor sensor comprises a fixed capacitor and a movable polar plate, the fixed capacitor is fixed above the plate rings and provided with a groove in the middle, one end of the movable polar plate is fixedly connected with the measuring rod through the fixed block, the other end of the movable polar plate is embedded in the groove of the fixed ...

Method for resolving DL-menthol through catalysis of lipase

The invention relates to a method for resolving DL-menthol through the catalysis of lipase, and belongs to the technical field of biological catalysis, solving the technical problems of very difficult acylating agent separation and cumbersome step of the traditional method for resolving the DL-menthol. The method comprises the following steps of 1, mixing the LD-menthol, porcine pancreatic lipase and succinic anhydride with ether, then shaking at the rotation speed of a shaking table, carrying out centrifugal filtration to remove the porcine pancreatic lipase, diluting by using diethyl ether, adding an NaCO3 solution, then extracting for three times by using the diethyl ether, then drying by using MgSO4, and then carrying out decompressing rotary evaporation to remove the diethyl ether to obtain D-menthol; 2, adding an NaOH solution to a water phase for stirring and hydrolysis, then extracting for three times by using the diethyl ether, drying by using MgSO4, and carrying out the decompressing ...

Locking device

The invention belongs to the technical field of locking device design, and particularly relates to a great-load locking device. The great-load locking device comprises a locking module and an unlocking module. The automatic locking is realized through the tension force of a tension spring and a mechanical structure of a lock body per se. The locking device has the advantages that the structure is simple, the locking force is great, and the locking is reliable. The locking and unlocking processes are smooth and reliable. The tension spring is adopted, so that the unexpected unlocking of a lock in the electric control process when accidents such as power failure occur can be avoided, the unlocking is realized through a hydraulic or pneumatic actuator cylinder, and in addition, a hydraulic or pneumatic valve can be controlled through external connection of external triggering signals to realize the automatic control.

Branch trimmer

The utility model provides a branch trimmer which comprises a base plate, wheels arranged below the base plate, a protective frame arranged on the base plate and an operation table arranged in the protective frame, a supporting plate is arranged on one side of the base plate, a first rotating device is arranged on the supporting plate, and the first rotating device is connected with a first support. A second rotating device is arranged at the end of the first support, the second rotating device is connected with the second support, the second support is provided with a third rotating device, and the two sides of the third rotating device are connected with scissors and an electric saw respectively and used for achieving switching between the scissors and the electric saw during operation. The trimmer is simple in structure and high in practicability, and can well improve the working efficiency and eliminate potential safety hazards.

C5 or C6 monosaccharide (E)-3(Furan-2-YL)Monoacrylates, their preparation methods and uses thereof

Disclosed are C5 or C6 monosaccharide-(E)-3-(furan-2-yl)monoacrylates of formula (1), their preparation methods and uses thereof, wherein R represents C5 or C6 monosaccharide residue. Said compounds are prepared by reacting (E)-3-(furan-2-yl) acrylic acid with C5 or C6 monosaccharide. Said compounds can be used as tobacco humectants.

Round corner packaging mold box used for No.6 wheel of GDX2 packaging machine

The invention discloses a round corner packaging mold box used for a No.6 wheel of a GDX2 packaging machine. The round corner packaging mold box comprises a box body, clamping jaws are correspondingly arranged on the left side and the right side of the box body respectively, an opening is formed in the middle of the box body, a trapezoidal platform is arranged at the lower end of the box body, a first installation opening is formed in the upper end of the box body, a second installation opening is formed in the left side of the box body, a fixed forming assembly is installed on the trapezoidal platform and comprises a fixed block, the fixed block is provided with at least one fixed forming plate, a first arc-shaped concave surface is arranged on the side, facing toward the box body, of the fixed forming plate, a movable forming assembly is installed on the first installation opening and comprises a movable forming plate, a second arc-shaped concave surface is arranged on the side, facing ...

Military aircraft reliability quantitative requirement demonstration method

The invention discloses a military aircraft reliability quantitative requirement demonstration method which comprises the following steps of: 1, determining a military aircraft reliability top parameter index; 2, decomposing the military aircraft reliability top parameter index; 3, determining a threshold value of a military aircraft reliability top parameter; 4, converting a military aircraft reliability using index into a contract index; 5, comprehensively balancing the military aircraft reliability top parameter index; and 6, analyzing the technical and economic feasibilities of the military aircraft reliability top parameter index. The military aircraft reliability quantitative requirement demonstration method which is accordant with the state of China and has high operability is provided for the determination of the military aircraft reliability top parameter, so that the military aircraft reliability quantitative requirement demonstration work is guided, the reliability level of a ...

Multilayered printed circuit board plated-through hole stress-strain model establishing method based on girder construction

The invention provides a multilayered printed circuit board plated-through hole stress-strain model establishing method based on girder construction. The multilayered printed circuit board type plated-through-hole stress-strain model establishing method based on the girder construction comprises the following steps: 1, simplifying a multilayered printed circuit board plated-through-hole to be the girder construction in axial symmetry, and establishing assumed conditions based on the girder construction; 2, regarding a bonding plate structure as an annular round plate to be uniformly loaded, and setting boundary conditions of inner-diameter simply support and external-diameter free of a bonding plate; 3, writing mechanical ordinary differential equations of the bonding plate based on assumption that the bonding plate is uniformly loaded, and solving a general solution expression of a deflection; 4, determining four coefficients to be determined in the general solution expression by using ...

Method for rapidly evaluating adsorption effect of porous filter tip additive

The invention discloses a method for rapidly evaluating the adsorption effect of a porous filter tip additive. The method comprises the following steps: degassing the additive through a specific surface area analyzer overnight at 80-180 DEG C to primarily remove impurity gases in the porous additive; transferring an organic liquid into a vaporization storage tank for vaporizing, connecting the organic liquid to a weight absorption instrument, or directly connecting a poisonous gas to the weight absorption instrument, weighing the primarily degassed additive and filling the additive in a quartz hanging basket of the weight absorption instrument; degassing the additive for the second time; setting 10-30 test pressure points according to the saturated vapor pressure of the organic liquid or the poisonous gas, respectively carrying out saturation adsorption on different pressure points through the weight absorption instrument, and drawing an adsorption curve graph; and analyzing according to ...

Electrically-driven variable-speed axle integrated with two-gear gearbox, main reducer and differential mechanism

The invention discloses an electrically-driven variable-speed axle integrated with a two-gear gearbox, a main reducer and a differential mechanism. The electrically-driven variable-speed axle integrated with the two-gear gearbox, the main reducer and the differential mechanism comprises the two-gear gearbox device, the bearing type differential mechanism and a power device, wherein the power device comprises a motor rotor, a motor stator and a box body, the motor stator is arranged on the inner wall of the box body, the two ends of the motor rotor are connected to the interior of the box body through bearings respectively and located below the motor stator, the motor rotor can rotate relative to the box body, the left end of the box body is connected with a left reducer device, the right end of the box body is connected with the two-gear gearbox device, the bearing type differential mechanism is connected to the two-gear gearbox device, the right end of the two-gear gearbox device is connected ...

USB sound card with double reverberation chips

The utility model relates to the technical field of sound cards, and discloses a USB sound card with double reverberation chips, which comprises a sound card main body, two shells covered on the sound card main body and a fixing sleeve at the outer ends of the two shells, and the upper end and the lower end of the fixing sleeve are connected with the two shells through positioning mechanisms; the positioning mechanism comprises a fixing groove formed in the fixing sleeve, a fixing plate is slidably connected into the fixing groove, a threaded hole is formed in the end, close to the groove bottom of the fixing groove, of the fixing plate, a threaded rod is connected into the threaded hole in a threaded mode, and one end of the threaded rod sequentially penetrates through an opening of the threaded hole and the groove bottom of the fixing groove and is rotationally connected with the fixing sleeve through a bearing. A plurality of clamping grooves are formed in the positions, corresponding ...

A sealed lid for cigarette sealed package

The utility model discloses a sealed lid for cigarette sealed package, sealed lid are used for and have sealed outer cigarette sealed package cooperation, the sealed opening part that blankets on sealed skin, sealed lid is including pasting the piece and carrying the pulling -on piece, paste the adhesion area who has a performance that forever is clamminess that the piece internal surface includes the overlay region and encircles the overlay region round, carry the pulling -on piece with it connects to paste piece one end, it sets up at least one be used for preventing that sealed lid from being torn from sealed outer spacing incision completely when opening to paste the piece other end. The utility model discloses when the sealed outer use of cooperation cigarette case, can effectively avoid sealed lid to be torn completely when opening, simultaneously, can solve sealed lid pollutes a cigarette terminal surface because of lead to the fact sealed tight of dislocation and binder when closing ...

High-temperature-resistant bacillus licheniformis capable of producing alpha-amylase

The invention relates to high-temperature-resistant bacillus licheniformis capable of producing alpha-amylase and relates to bacillus licheniformis, solving the problem that existing engineering strains for producing alpha-amylase are unable to resist high temperature. The high-temperature-resistant bacillus licheniformis is bacillus licheniformis HWyb1401 which is preserved in CGMCC with the preservation number of CGMCC No. 8718. The bacillus licheniformis HWyb1401 provided by the invention has a high-temperature-resistant characteristic and still can survive at 70 DEG C and can be metabolized to generate alpha-amylase. The enzyme activity of the alpha-amylase in a fermentation liquid at 55 DEG C can reach 70U/mL.

Humic acid nutrient liquor and its preparation method

Said invention uses pure natural materials as raw materials, and make them pass through double-fermentation to prepare humic acid nutrient liquor. Its preparation method includes such procedures of raw material pulverizing, mixing, primary natural fermentation, secondary fermentation by adding yeast, extracting and press filtering. Said product can be used in the fields of farming, forestry, animal husbandry, medicine, cosmetics and feed additive. Its main ingredients are brownish black humic acid, fulvic acid, amino acid, ribonucleic acid, vitamins and trace elements, so that it is a high-grade fertilizer for production of "green color" food, and its by-product filter cake is a good soil improver.

A.C DUPLEX CARRIER TELPHONY SET

The present invention relates to an A.C. line duplex carrier telephone system. It is mainly to solve the problems that an internal telephone system of an unit has need of general exchanger and special purpose line network and their installation and use costs are expensive. It features that it includes an independent transmitting circuit, a receiving circuit and a control circuit. Two frequency channels are provided in both the transmitting circuit and the receicing circuit. Its signal is transmitted in the form of carrier waves. It has the features of that the 220V electric wire can be used as the telephone transmission line and it has no need of general exchanger so as to can implement the selective calling talking of several single units, and it is very easy to move. It can be extensively used as intercom.

Metal pillared montmorillonite coated mesoporous silica composite material and preparation method thereof

The present invention discloses a metal pillared montmorillonite coated mesoporous silica composite material and a preparation method thereof. The preparation method comprises the following steps: preparation of a metal pillared agent, namely slowly dropwise adding soluble metal salt into an aqueous solution of Na2CO3 or water with stirring, fully hydrolyzing at 60 to 80 DEG C and aging for 24 to 48 hours; preparation of a metal pillared montmorillonite suspension, namely adding the water into montmorillonite, stirring at room temperature to disperse the montmorillonite sufficiently, slowly dropwise adding the metal pillared agent into the montmorillonite suspension, reacting for 2 to 4 hours at the temperature of 60 to 80 DEG C, stopping stirring, standing for one night, washing, centrifuging, drying, and adding water to prepare the metal pillared montmorillonite suspension with the mass percentage of 20 to 30 percent; uniformly mixing the metal pillared montmorillonite suspension and ...

Online nondestructive testing equipment for quasi-circular fruits and vegetables

The invention provides quasi-circular fruit and vegetable online nondestructive testing equipment, and relates to the technical field of fruit and vegetable nondestructive testing equipment.The quasi-circular fruit and vegetable online nondestructive testing equipment comprises an equipment rack, a fruit and vegetable bearing seat, a clamping type conveying device and a detection generation box are installed on the equipment rack, and the clamping type conveying device comprises two oppositely-arranged conveying sets; each conveying set comprises a pair of synchronous belt conveying mechanisms which are arranged in parallel up and down, and the two ends of the fruit and vegetable bearing base are clamped between the two corresponding synchronous belt conveying mechanisms respectively. According to the fruit and vegetable clamping and conveying device, clamping and conveying are conducted through friction force between the synchronous belt and the fruit and vegetable bearing base, and the ...

Part transparent package cigarette barrel

The utility model discloses a part transparent package cigarette barrel, including the paper box body, set up at least one observation window on six sealed faces of paper box body, transparent PBS degradative plastics piece, template or celluloid sheet seal for the observation window, observation window extends to on adjacent one or a plurality of sealed from one of them sealed face of paper box body, and perhaps observation window independently sets up on an arbitrary sealed face of paper box body. The utility model discloses a cigarette barrel reasonable in design, novel structure, accessible transparent package directly sees the capsule of the inside encapsulation of barrel, play the show effect to inside cigarette capsule, be favorable to arousing consumer's concern, each face structure of this barrel is complete simultaneously, can play sufficient support guard action for inside cigarette capsule, furthermore, the design form of barrel extranal packing picture and text has been richened ...

Method for measuring transfer rate of solid filter tip additive of cigarette in main stream smoke

The invention discloses a method for measuring the transfer rate of a solid filter tip additive of a cigarette in main stream smoke, and the method comprises the following steps: selecting a component element in the solid filter tip additive of the cigarette as a target element; collecting particle-phase substances in the main stream smoke of the cigarette by utilizing an electrostatic catcher; and measuring the content of the target element in the collected particle-phase substances by adopting an inductive coupling plasma mass spectrometry, thereby realizing the quantitative detection of the transfer rate of the solid filter tip additive of the cigarette in the main stream smoke and further judging the possibility that the solid filter tip additive of the cigarette escapes along with air current and is sucked into a human body. The method disclosed by the invention is accurate, reliable, simple and convenient and has important guide values in the development of the solid filter tip additive ...

(E)-1-aryl-5-phenyl-2-alkene-1-pentanone compounds and synthesis and application thereof

The invention discloses (E)-1-aryl-5-phenyl-2-alkene-1-pentanone compounds and the synthesis and application thereof. The structural formula of the compounds is shown as a formula I, wherein X is shown in the specification of the invention and R is F, Cl, Br, CH3O, C2H5O, NO2, C2H5 and CH3. The compounds have the advantages of simple structure and simple and feasible preparation method. The compound with the formula I has the favorable effect of preventing and controlling tetranychus cinnabarinus and has practical application values in agricultural production.

Armored vehicle reliability quantification requirement demonstration method

Impurity removal device for processing coated asphalt material

The invention relates to an impurity removal device for processing a coated asphalt material, the device comprises a cleaning device, a cooling device, a grinding device, a lifting device and a demagnetizing device, the demagnetizing device comprises a demagnetizing box, a feeding box, a feeding box guide rail, a demagnetizing filter plate assembly and a demagnetizing belt assembly; the demagnetizing filter plate assembly is used for adsorbing magnetic substances; the demagnetizing belt assembly comprises a first belt pulley, a second belt pulley and a belt; a plurality of magnetic plates are arranged on the outer surface of the belt and can be driven by the belt to rotate; a scraping plate is arranged on the side wall of the demagnetizing box and extends towards the interior of the demagnetizing box 1; a magnetic material guide plate is arranged below the scraper; when the magnetic plate adsorbing the magnetic substances moves to the position in contact with the scraper, the scraper scrapes ...

Electronic scale

The invention discloses an electronic scale, comprising a scale body, a tray, a display device and a connecting rod, wherein the scale body is provided with a weighing device inside, the tray can be separated from the scale body, the scale body is also provided with a display device containing cavity inside, the connecting rod can rotate around the scale body, the display device can be contained in the display device containing cavity when the connecting rod rotates to a horizontal position. Therefore, the electronic scale can be folded to a box body structure when unused, thus reducing the volume of the electronic scale and reducing the occupied space, and the electronic scale has the advantages of great convenience in carrying, elegant appearance, good practicability, etc.

Composite method of (E)-1-(4-hydroxybenzene radial)-5-phenyl-2-alkene-1-pentanone

The invention discloses a composite method of (E)-1-(4-hydroxybenzene radial)-5-phenyl-2-alkene-1-pentanone, belonging to the technical field of organic compound synthesis. In the method, cheap and easily-obtained phydroxy phenyl ethyl ketone serves as a starting raw material; the phydroxy phenyl ethyl ketone is dissolved into an organic solvent; bromine is slowly dripped to obtain 2-bromine-1-(4-hydroxyl phenyl) butanone; the 2-bromine-1-(4-hydroxyl phenyl) butanone is dissolved into an organic solvent and is dripped into a tributyl phosphine solution to obtain bromized (2-oxygen-2-(4-hydroxyl phenyl) ethyl) tributyl phosphine salt; the bromized (2-oxygen-2-(4-hydroxyl phenyl) ethyl) tributyl phosphine salt is dissolved into a mixed solvent; and an alkaline solution and benzene propanal are added and stirred to react so as to obtain a target product. The preparation method disclosed by the invention has moderate reaction conditions, and the compound can be conveniently obtained, which ...

Electronic scale with printing function

The invention discloses a electronic weigher with printing function , the weigher includes shell and printer , There is a rotating shaft perpendicular to the undersurface in the corner of said shell .One lateral plate of the shell can be rotately installed in the rotating shaft ,one motherboard is fixed horizontally on the said lateral plate , and said printer is installed on the motherboard ,and the adornment paper axis , winding shaft and the exit of handpiece are parallel to the rotating shaft .The invention improve in installation way of the printer of the electronic weigher ,change the former sliding type into rotating type ,when changing paper ,rotate the lateral plate to make the printer separate from the shell completely ,and the operation space is big ,more labor-saving than primary pulling type and not easily damaged .Because the along vertical direction so it's more convenient to tear paper and not easily scraping up dust .

Intelligent gas alarm based on infrared sensing

The invention provides an intelligent gas alarm based on infrared sensing. The intelligent gas alarm comprises a gas sampling module, a gas concentration detection module, a processing module, a communication module and an alarm module, the gas sampling module, the gas concentration detection module, the communication module and the alarm module are electrically connected with the processing module respectively; the gas concentration detection module comprises a detection chamber, and an infrared laser generator and a detection sensor which are arranged in the detection chamber, and further comprises an active detection module, the active detection module comprises a standard sample gas access port arranged on the inner wall of the detection chamber; the standard sample gas flow detection unit is arranged at the standard sample gas access port and is used for detecting the amount of the standard sample gas flowing in from the standard sample gas access port; and the electric control valve ...

EQUATORIAL MOUNT LOCKING DEVICE

An equatorial mount having a base, a right ascension base, a right ascension shaft, a declination base, a declination shaft, and a mount-rotation mechanism, the declination base rotatable about a right ascension axis relative to the right ascension base, and the declination shaft rotatable about a declination axis relative to the declination axis, wherein the mount-rotation mechanism is engageable and disenagageable from one or the other of the right ascension shaft and the declination shaft, to apply torque between the declination base and that shaft when engaged and to permit relative rotation of the shaft and the declination base when disengaged. 1. An equatorial mount for an optical instrument , the equatorial mount comprising:a base;a right ascension base comprising a right ascension shaft elongated along a right ascension axis;a declination base rotatably mounted to the right ascension base for rotation about the right ascension axis relative to the right ascension base;a declination shaft rotatably mounted to the declination base for rotation about a declination axis;a mount-rotation mechanism; [ a right ascension bore defined by the right ascension shaft in a direction parallel to the right ascension axis; and', 'a declination bore defined by the declination shaft in a direction parallel to the declination axis; and, 'a locking member extendable into at least one of, one or more right ascension locking blocks extending at least partially into the right ascension bore; and', 'one or more declination locking blocks extending at least partially into the declination bore;, 'at least one of], 'a locking mechanism for operably engaging the mount-rotation mechanism to at least one of the right ascension shaft and the declination shaft, the locking mechanism comprising [ the locking member is in a first position relative to the at least one of the right ascension bore and the declination bore;', 'the locking member bears against the at least one of the one or more ...

Double -canopy formula cigarette barrel of sidespin

The utility model discloses a double -canopy formula cigarette barrel of sidespin, including box body, left lid and right lid, set up convex spout on the box body, the right flank and the bottom surface opening of left lid, other each seal, left lid is connected the hinge through a left side and is connected with the box body left side, the left surface and the bottom surface opening of right lid, other each seal, right lid cuts with scissors through right connection to be connected with the box body right side, the medial surface of left lid and right lid has all set up the gleitbretter, the gleitbretter card can slide in convex spout in corresponding convex spout. The utility model discloses a double -canopy formula cigarette barrel of sidespin get by cigarette capsule process convenient, and the barrel structure is not destroyed when getting by the capsule, has guaranteed barrel repackaging's integrality.

Synthesis method of (E)-1,5-diphenyl-2-alkene-1-pentanone

The invention relates to a preparation method of a natural product (E)-1,5-diphenyl-2-alkene-1-pentanone. The preparation route of the preparation method is shown as the reaction formula a. The invention adopts cheap and easily-obtained raw material acetyl benzene as an initial raw material and adopts a mild reaction condition to prepare the (E)-1,5-diphenyl-2-alkene-1-pentanone (formula I) through four steps of: firstly, dissolving the acetyl benzene in an organic solvent and then slowly dropwise adding bromine to prepare 2-bromine-1-acetyl benzene; secondly, dissolving the obtained 2-bromine-1-acetyl benzene in the organic solvent and then dropwise adding in a triphenylphosphine solution to obtain triphenylphosphine hydrobromide; thirdly, dissolving the obtained triphenylphosphine hydrobromide in the mixed solvent of water and methyl alcohol, adding an alkaline solution, stirring, extracting by using the organic solvent and concentrating so that phosphine is obtained; and fourthly, dissolving ...

Power network regulation and control information acquisition system

The invention provides a power network regulation and control information acquisition system. The system comprises an upper regulation and control information acquisition subsystem, a lower regulation and control information acquisition subsystem and a drug case. The upper regulation and control information acquisition subsystem and the lower regulation and control information acquisition subsystem are connected through a scheduling special network; the upper regulation and control information acquisition subsystem makes a comparison between the real-time transformer station name, the real-time equipment name and the real-time equipment operation state information of each transformer station and the set transformer station name, the set equipment name and the set equipment operation state information of each transformer station. The transformer stations modify the different real-time transformer station names, the different real-time equipment names or the different real-time equipment ...

Direct composite method for coating magnesium-alloy surface with nano-titanium dioxide

Armored vehicle reliability quantification requirement demonstration method

The invention discloses an armored vehicle reliability quantification requirement demonstration method, which comprises the following steps of: 1, determining armored vehicle reliability top parameter indexes; 2, decomposing the armored vehicle reliability top parameter indexes; 3, determining an armored vehicle reliability parameter threshold value; 4, converting the armored vehicle reliability usage indexes into contract indexes; 5, comprehensively balancing the armored vehicle reliability parameter indexes; and 6, analyzing the technical economy feasibility of the armored vehicle reliability parameter indexes. The invention provides the armored vehicle reliability quantification requirement demonstration method in accordance with China's national conditions and with strong operability for determining the armored vehicle reliability parameters, wherein the method guides the armored vehicle reliability quantification requirement demonstration operation and improves the reliability level ...

Splice type guide rail plate

The invention provides a splice type guide rail plate. The splice type guide rail plate comprises a body. The body comprises a frame and a guide rail arranged in the frame. The splice type guide rail plate is characterized by further comprising a splicing block detachably arranged at the front end of the body, the splicing block is provided with a correction portion matched with the guide rail, and the correction portion is used for adjusting the number of electronic components entering the guide rail. Therefore, two overlapped electronic components can be effectively prevented from simultaneously entering the splice type guide rail plate.

Process-based method for establishing equipment reliability maintenance safety (RMS) requirement model

The invention provides a process-based method for establishing equipment reliability maintenance supportability (RMS) requirement model. The method comprises the following steps: 1) establishing a functional model; 2) establishing a supportability model; 3) establishing a maintenance model; and 4) establishing a task model. The invention provides a method for comprehensively and objectively describing equipment application and maintenance supportability environment so as to improve the equipment requirement argumentation level, guide development and implementation of equipment RMS requirement argumentation, and improve the objectivity, comprehensiveness and scientificity of the equipment requirement argumentation.

Production method of double deoxidizer for steelmaking

The invention discloses a production method of a double deoxidizer for steelmaking, for solving the problem that a submersed nozzle of a crystallizer is accreted during hydrating of lime powder and continuous casting. The production method of the double deoxidizer for steelmaking comprises the following steps of: crushing and grinding lime into powder; feeding the ground fine lime powder into an agitating machine with a temperature of 0-300 DEG C; adding stearic acid which is 0.5 to 1% by mass of the fine lime powder; inserting a porous super-sonic spraying gun in one side of the agitating machine to spray CO2 for 2 to 40 minutes so as to produce circular boiling agitating; performing passivating and waterproof treatment on the lime surface with CO2 and stearic acid; mixing the passivated lime powder, Al powder and cosolvent CaF2 powder according to the ratio of (3.2-3.4): (1.8-2.0): (0-0.5); and then balling and screening by a wet or dry manner to obtain the double deoxidizer containing ...

Method for analyzing impacts on service life of printed circuit board by geometric dimensions of via holes of printed circuit board

A method for analyzing impacts on the service life of a printed circuit board by geometric dimensions of via holes of the printed circuit board comprises the following steps that (1) key geometric dimensions are selected according to the structure of the via holes and a main failure mode; (2) a Mirman module and an enhanced IPC model are determined as failure mechanism models referenced in the analytical process; (3) under the premise of mutual independence, the impacts on the service life of the via holes by the thickness of plating layers, the radius of the via holes, and the thickness of the printed circuit board are analyzed by using FEA, the Mirman model and the enhanced IPC model; (4) the mutual effects among the geometric dimensions are taken into consideration, and the FEA and the enhanced IPC model are applied to analyze three kinds of superficial characteristic parameters formed by two kinds of geometric dimensions; (5) the impacts on the service life of the printed circuit board ...

EQUATORIAL MOUNT FOR TELESCOPE WITH BALANCED WEIGHT DISTRIBUTION

An equatorial mount for providing a telescope with a balanced weight distribution is described. The equatorial mount comprises a base, a declination base, and a device support. The declination base is rotatable about a right ascension axis relative to the base. The device support is rotatable about a declination axis relative to the declination base. The declination axis intersects orthogonally with the right ascension axis and the declination axis intersects a midsection of the declination base. The declination base comprises a counterweight assembly extending along a counterweight axis, the counterweight axis being spaced away from the declination axis along the right ascension axis. 1. An equatorial mount for an optical assembly , the equatorial mount comprising:a base;a declination base coupled to the base and rotatable relative to the base about a right ascension axis, the declination base comprising a body and a counterweight assembly extending from the body along a counterweight axis; anda device support supported by the declination base for rotation with the declination base about the right ascension axis, the device support rotatable relative to the declination base about a declination axis; the right ascension axis is orthogonal to the declination axis;', 'the declination axis intersects a midsection of the declination base; and', 'the counterweight axis is parallel to, and spaced apart from, the declination axis., 'wherein2. An equatorial mount as defined in claim 1 , wherein the counterweight axis is spaced apart claim 1 , in a direction parallel to the right ascension axis claim 1 , from the declination axis.3. An equatorial mount as defined in claim 1 , wherein the body comprises first and second opposed ends and the midsection is located between claim 1 , and spaced apart in a direction parallel to the right ascension axis from claim 1 , each of the first and second opposed ends.4. An equatorial mount as defined in claim 1 , wherein the right ...

Digital weighing sensor assembly and connecting method thereof

The invention discloses a digital weighing sensor assembly and a connecting method thereof. The digital weighing sensor assembly comprises an automobile scale display instrument and a plurality of digital sensors which are connected with the automobile scale display instrument through communication cables, wherein the digital sensors are sequentially connected in series by the communication cables. All digital sensors and the automobile scale display instrument in the digital weighing sensor assembly are connected in series by using a cascade method; and a digital junction box is avoided, so that the connected line distance is reduced, the cost is saved, the connecting mode is more flexible and the installation and the replacement of the digital sensors are more convenient.

Warship reliability quantitative requirement demonstration method

The invention discloses a warship reliability quantitative requirement demonstration method. The method comprises the following steps of: 1, determining a warship reliability top layer parameter index; 2, decomposing the warship reliability top layer parameter index; 3, determining a warship reliability parameter limit value; 4, balancing the warship reliability parameter index and expense; and 5, analyzing the technical and economic practicability of the warship reliability parameter index. By adopting the method, a warship reliability quantitative requirement demonstration method which is consistent with the condition of China and has high operability is provided for the determination of a warship reliability parameter, warship reliability quantitative requirement demonstration work is guided, and reliability level of a warship is raised.

Quick online analysis kit

The invention discloses a quick online analysis kit which comprises a small conical flask, a 100mL reagent bottle, a 10mL colorimetric tube, a 10mL injector, a 1mL injector, a 2mL small reagent tube, a 1mL small reagent tube, a colorimetric card, a zoom table and a plurality of reagents, wherein reagents comprise a buffer solution with the pH value of 10, a murexide indicator, a 0.05mol/L ethylene diamine tetraacetic acid (EDTA) standard solution, a 10% barium chloride solution, a phenolphthalein indicator, a 0.5mol/L hydrochloric acid standard solution, a 100g/L ammonium persulfate solution, and the like. The quick online analysis kit can be used for measuring the main components in an alkaline Zn-Ni alloy deposit electroplating solution in an online way at any time, the electroplating production process is not influenced, and large-scale repeated tests are not needed, so that the kit has a wide application prospect in electroplate factories having imperfect production conditions and laboratory ...

Process method for producing coated asphalt by using ethylene tar

The invention relates to the technical field of advanced inorganic non-metallic materials, and discloses a process method for producing coated asphalt by using ethylene tar, which comprises the following steps: S1, settling the raw material ethylene tar, and adding an additive into the settled ethylene tar; s2, purifying the ethylene tar added with the additive to obtain a tar light component and a tar heavy component; s3, carrying out flash evaporation on the tar heavy component obtained by purification to preliminarily obtain coated asphalt; s4, pouring the coated asphalt obtained by flash evaporation into a reaction kettle; by adding the solvent oil, the copolymerized petroleum resin, the asbestos and the high-carbon-content mineral, the acid resistance, alkali resistance, heat resistance and insulating properties of the prepared coated asphalt are improved, the softening point of the prepared coated asphalt reaches a proper value, the coated asphalt is not too crisp, and meanwhile, ...

To combined type cigarette case that opens door

The utility model discloses a to combined type cigarette case that opens door. It includes box body and lid, the box body has double -layer composite structure, the box body is including upper strata left side box, upper strata right side box and lower floor's box, lower floor's box sets up a lid in the top at the back, lower floor's box connects through being connected the hinge with the lid, upper strata left side box is the same with the width of lower floor's box with the width sum of upper strata right side box, upper strata left side box is the same or inequality with the width of upper strata right side box, the width of lid is the same with the width of lower floor's box, the thickness of lid is the thickness sum of upper strata left side box and lower floor's box, upper strata left side box is the same with the thickness of upper strata right side box. The utility model provides a pair of to the opening door cigarette case, its novel structure, convenient operation has increased ...

Circuit reliability verification method, verification tool, storage medium and verification device

The invention discloses a circuit reliability verification method, a verification tool, a storage medium and a verification device, and the method comprises the steps: adding fault attribute tags to an input signal and an output signal of a circuit; for any fault type in the plurality of fault types, constructing a fault effect propagation model of a basic logic gate corresponding to the any fault type based on the input signal, the output signal and the fault attribute tag; wherein the plurality of fault types comprise one or more of a bit flipping fault type, a random fault type and a fixed fault type; constructing a fault effect propagation model of a circuit corresponding to any fault type based on the fault effect propagation model of the basic logic gate corresponding to any fault type; and based on the security attribute of the circuit, performing formalized assertion on the fault effect propagation model of the circuit corresponding to any fault type so as to determine the reliability ...

Prediction method of thermal fatigue life of BGA (Ball Grid Array) welding spot considering influence of sequential temperature cycling load loading

The invention discloses a prediction method of a thermal fatigue life of a BGA (Ball Grid Array) welding spot considering an influence of sequential temperature cycling load loading. The method comprises the steps of 1, analyzing the influence of the sequential temperature cycling load loading on the thermal fatigue life of the BGA welding spot, and a reason; 2, improving a Darveaux model according to the influence of the sequential temperature cycling load loading on the thermal fatigue life of the BGA welding spot and by reference to a Paris formula and building a prediction model of the thermal fatigue life of the BGA welding spot considering the influence of the sequential temperature cycling load loading; 3, determining a fit determination method of parameters in the prediction model of the thermal fatigue life of the BGA welding spot considering the influence of the sequential temperature cycling load loading; 4, performing analysis verification on the prediction model of the thermal ...

Tobacco suction system based on electromagnetic heating

The invention discloses a tobacco suction system based on electromagnetic heating. The tobacco suction system is characterized by comprising an end cover (1), a heater (2) and an electromagnetic induction system, wherein the end cover (1) is detachably connected to the heater (2); the end cover (1) comprises a circular cover (11) and a filter tip (13); the heater (2) comprises a shell (21), an inner container (23), a base plate (24) and a cylindrical iron core (25); the electromagnetic induction system comprises an induction coil for heating the inner container (23), the base plate (24) and the cylindrical iron core (25), and a temperature control circuit. By heating the inner container, the base plate and the cylindrical iron core through the electromagnetic induction system, the heating speed can be increased, the heat efficiency is high, and instant heating can be realized, thereby better meeting the requirement of good suction mouthfeel; due to the arrangement of the cylindrical iron ...

Reaction liquid for modifying polymer film and modifying method

The present invention provides reaction solution and modification method for modifying polymer film, especially raising the surface hydrophilicity of the polymer film. The reaction solution includes acrylic acid and its derivative, acrylamide and its derivative, acrylate, N-vinyl pyrrolidone, acrylonitrile or other polar monomer; dibenzophenone, thioanthrone and its derivative, anthraquinone and other hydrogen accepting light initiator; and mixed solvent comprising and organic solvent. During ultraviolet grafting treatment, the film to be treated is painted with the prepared reaction solution, irradiated with ultraviolet ray, washed and dried to become polymer film with high hydrophilicity. The said process has the advantages of long modification effect, simple post-treatment, etc.

MICRO-MESOPOROUS CORE-SHELL COMPOSITE MOLECULAR SIEVE FOR REDUCING HARMFUL INGREDIENTS OF CIGARETTES AND PREPARATION METHOD THEREOF

In the present invention, disclosed are a micro-mesoporous core-shell composite molecular sieve for reducing harmful ingredients of cigarettes and a preparation method thereof. The preparation method comprises the steps of: adding a template agent into a solution of which the alcohol-water ratio is 1:1 to 4:3; adding a zeolite molecular sieve; performing ultrasonic dispersion for 0.5-2 hours; dropping tetraethoxysilane of which the mass is 1-1.5 times that of the zeolite molecular sieve into the zeolite molecular sieve; stirring for 24-48 hours at room temperature; extracting a template agent using ethanol at normal temperature to obtain a mesoporous-microporous core-shell composite molecular sieve material. In the preparation method of the present invention, high-temperature calcination is omitted as the template agent is extracted directly using ethanol, and the preparation process is simpler. The micro-mesoporous core-shell composite molecular sieve is simple and convenient in operation ...

Method for updating electronic product reliability prediction model complying with exponential distribution

The invention provides a method for updating an electronic product reliability prediction model complying with exponential distribution, which comprises the following steps of: 1, analyzing a use region of products; 2, acquiring calendar year meteorological information of each province and city in the use region, and calculating a year average value of temperature stress and humidity stress in each region; 3, respectively constructing a temperature and humidity probability density distribution function, and solving a year average value of temperature stress and humidity stress in the use region; 4, analyzing each stress borne in a product use process; 5, selecting a reliability prediction manual, and calculating an element work failure rate according to a stress analysis model; 6, drawinga product mission reliability block diagram and compressively calculating a product work failure rate; 7, carrying out an acceleration life test and recording test data; 8, product mean life to failure ...

Preparation method for mesoporous molecular sieve MCM-48

The invention provides a preparation method for synthesizing a mesoporous molecular sieve MCM-48 of high regularity, which comprises the following steps: (1) heating up a mixture composed of tetraethyl orthosilicate, cetyl trimithyl ammonium bromide, sodium hydroxide, non-water-soluble additive and water to 40-60 DEG C and mixing to react for 2 hours, and adjusting the pH value to 10-12 with hydrochloric acid and transferring into a reaction kettle; (2) performing hydro-thermal crystallization with the temperature of 80-150 DEG C for 8-24 hours, and obtaining the pure silicon MCM-48 molecularsieve of high regularity with the crystallized product being separated, washed, dried and burned in the air for six hours. The invention has the advantages that the fluoride bearing additive used, i.e. the sodium fluosilicate, has low toxicity, the storage is stable, and the prepared pure silicon molecular sieve MCM-48 has the advantages of high crystallinity, high polymerization degree of skeleton, ...

Electromagnetic heating type suction device used for heating non-combustible cigarette

The invention discloses an electromagnetic heating type suction device used for heating a non-combustible cigarette. The electromagnetic heating type suction device used for heating the non-combustible cigarette comprises an end cover, a heater and an electromagnetic induction system, wherein a heating cavity for holding the heated non-combustible cigarette is reserved in the heater, the end cover is detachably and combinably connected to the suction end portion of the heater, a filter tip is arranged on the end cover and is communicated with an inner cavity of the heating cavity, a round cover is arranged on the end cover, a plurality of air inlets are formed in the round cover and are communicated with the inner cavity of the heating cavity, the electromagnetic induction system comprises a temperature control circuit and an induction coil electrically connected onto the temperature control circuit, and the induction coil spirally winds the heating cavity. The electromagnetic heating type ...

Detection method for elements in high-speed steel

The invention provides a detection method for elements in high-speed steel. The detection method provided by the invention is directed at detection of the contents of three key elements consisting of vanadium, chromium and tungsten in high-speed steel. The detection method comprises the following steps: detecting the content of vanadium with a high-speed steel sample as a raw material; and then detecting the contents of chromium and tungsten with a detected vanadium solution as a detection mother liquor. According to the invention, during detection of the contents of vanadium, chromium and tungsten in high-speed steel, the high-speed steel sample is not used as a raw material for detection after vanadium is detected, so detection process flow is simplified, the usage amount of a reagent is reduced, and high accuracy is obtained.

Instruction transfer prediction system, method and device, computer equipment and storage medium

The invention discloses an instruction transfer prediction system, method and device, computer equipment and a storage medium. The instruction transfer prediction system comprises a prediction unit, a prediction target address queue and an instruction fetching unit. Wherein the prediction unit is used for performing multi-level branch prediction on a transfer instruction; the prediction target address queue is used for recording the instruction address of the corresponding transfer instruction and a first-level prediction result under the condition that the first-level prediction result is received, and recording the instruction address of the corresponding transfer instruction and the first-level prediction result under the condition that a second-level prediction result corresponding to the transfer instruction is received. Covering the corresponding first-level prediction result by using the second-level prediction result; and the instruction fetching unit is used for acquiring a target ...

Equatorial telescope mechanism with stable bearing

The utility model relates to an equatorial telescope mechanism capable of stably bearing load. The equatorial telescope mechanism comprises a latitude seat, an hour angle base, a deflection angle base, a right ascension shaft and a balance weight, the latitude seat comprises a seat body; the two sides of the base body are vertically connected with side plates correspondingly. Arc-shaped sliding grooves are respectively formed in the inner sides; the two sides of the hour angle base are connected with sliding rails respectively. Arc-shaped protrusions are arranged on the two sliding rails respectively. The protrusions are arranged in the sliding grooves in a one-to-one correspondence mode and penetrate through the two ends of the sliding grooves. One ends of the two ends of the hour angle base extend to form columnar protrusions, the other ends of the two ends of the hour angle base are fixedly connected with right ascension shafts, the columnar protrusions are coaxial with the right ascension ...

[E]-beta-farnesene analogue, preparing method and application of the same

Intelligent internal antenna low power consumption wireless tension measuring system

The invention relates to an intelligent internal antenna low power consumption wireless tension measuring system. The system comprises a host machine and a measuring auxiliary machine, wherein, the measuring auxiliary machine comprises a tension sensor and a master control board, the master control board comprises a power supply circuit, an electric quantity detection circuit and an interface circuit, the tension sensor is arranged in the cylindrical cavity of the shell of the auxiliary machine by connecting with a single spot screw thread, an auxiliary machine antenna, an auxiliary machine wireless module and an auxiliary machine master control board are fixed in the groove of the nylon end cover of the auxiliary machine in turn, a mercury switch and a disposable lithium battery are arranged inside the sealed cavity formed by the shell of the auxiliary machine and the nylon end cover of the auxiliary machine and are parallel to the tension sensor axially, the host machine comprises amaster ...

Program flow monitoring method and device, program flow compiling method and device, processor and computer equipment

The invention discloses a program flow monitoring method and device, a compiling method and device, a processor and computer equipment. A program flow corresponds to a control flow and a data flow. The control flow comprises a plurality of basic blocks; a control flow verification instruction is inserted into the head of the basic block in the compiling stage, and a data flow verification instruction is inserted into the tail of the basic block in the linking stage; the program flow monitoring method comprises the following steps: under the condition that a program flow runs to a current basic block, executing a control flow verification instruction in the current basic block to verify the correctness of the control flow; and under the condition that the current basic block runs to the data stream verification instruction, determining CRC signature values of all instructions of the current basic block so as to verify the integrity of the data stream. Therefore, dual monitoring is carried ...

System integration method and device

The invention provides a system integration method and device, which are used for realizing system integration. The method comprises the steps that a first device determines a first integration mode corresponding to a first system on the first device; obtaining a first code update document corresponding to the first integration mode; on the basis of the first code updating document, part of codes in the codes of the first system stored in the first equipment are updated, and a first target system is obtained; the first target system is a server of the first application program corresponding to the first integration mode and is allowed to be integrated by the platform in a mode of the first application program, and codes of the platform are stored on the second equipment. Code adjustment is selectively performed through different systems according to own system architecture characteristics, so that system integration is realized, and consumption of manpower cost and time cost is reduced.

Heat-conducting oil high-temperature cyclic heating device

The invention relates to the technical field of heat exchange devices, and discloses a heat conduction oil high-temperature cyclic heating device which comprises a tank body and a shell, the tank body is located in the shell, and the heat conduction oil high-temperature cyclic heating device is characterized in that a heating assembly comprises a heating device used for more fully heating heat conduction oil; the heating assembly comprises a mounting part, a heating part, a contact, a metal column and a first transmission disc, the heating part is fixedly mounted at the bottom end of the mounting part, the contact is fixedly mounted at the top end of the mounting part, the metal column is arranged at the top end of the contact, and the first transmission disc is fixedly mounted at the top end of the outer wall of the mounting part; the heating piece in the tank body rotates while heating to stir heat conduction oil in the tank body, the contact between the heat conduction oil in the tank ...

Carried trigger for free radical polymerization and its preparing process

The present invention relates to a carrier type initiator used for free radical polymerization and its preparation method, the said iniator uses a polymer containing carbon-hydrogen bond as carrier, the carrier surface has initiating group; its preparation method is to impregnate the carrier in photo-chemical reaction catalyst / organic solvent, after drying, it is radiated with ultraviolet ray, washed wigh organic solvent, and dried. It is suitable for free radical polymerization of ethylene compound monomer.

Trichoderma disease prevention method for black fungus

A trichoderma disease prevention method for a black fungus belongs to the field of prevention of mould diseases for the edible fungus. The method is to solve the problem that bacillus subtilis also inhibits the growth of the edible fungus despite of the trichoderma inhibition effect. The method is as follows: 1, adding glucose, beef extract, peptone, sodium chloride, soybean cake powder and bran into distilled water to prepare a culture medium, and sterilizing; 2, inoculating a bacillus subtilis seed solution into the culture medium, conducting shake cultivation in a shaker to obtain a bacillus subtilis fermentation liquor; 3, mixing a black fungus cultivation material with the bacillus subtilis fermentation liquor, putting the mixture into a fungus bag, and sterilizing; and 4, cooling the sterilized fungus bag to 25-30 DEG C, inoculating the black fungus strain, then culturing, to finish the prevention of the mould diseases for the edible fungus. The trichoderma disease prevention method ...

Modified clay mineral/iron-palladium bimetallic composite material, preparation method and application thereof

The invention belongs to the field of environmental functional composite materials, and relates to a modified clay mineral/iron-palladium bimetallic composite material, a preparation method and application thereof. According to the modified clay mineral/iron-palladium bimetallic composite material provided by the invention, the loading mass of Pd is 0.001%-0.1% of the loading mass of Fe, in the preparation process, the modified clay is used for loading nano zero-valent iron/palladium, and the preparation time is greatly shortened through ultrasonic treatment; the invention also discloses a newapplication of the material, i.e., the material is used for treating organic wastewater containing polybrominated diphenyl ethers or chlorophenol compounds. According to the method, excellent catalytic degradation performance can be achieved only through low-load Pd, the modification time is shortened under the action of ultrasonic waves, meanwhile, the adsorption performance of a finished product ...

Electronic scale

The invention discloses an electronic scale, comprising a scale body, a tray, a display device and a connecting rod, wherein the scale body is provided with a weighing device inside, the tray can be separated from the scale body, the scale body is also provided with a display device containing cavity inside, the connecting rod can rotate around the scale body, the display device can be contained in the display device containing cavity when the connecting rod rotates to a horizontal position. Therefore, the electronic scale can be folded to a box body structure when unused, thus reducing the volume of the electronic scale and reducing the occupied space, and the electronic scale has the advantages of great convenience in carrying, elegant appearance, good practicability, etc.

Double -deck standard -sized sheet syntropy formula cigarette barrel

The utility model discloses a double -deck standard -sized sheet syntropy formula cigarette barrel, including lower floor's box body, upper box body, baffle and front shroud, upper and lower layer box body all is the cuboid container, dual opening, and wherein the top surface opening part has all set up card cigarette area, sets up the baffle between the box body of upper and lower layer, and the baffle connects through being connected the hinge with upper and lower layer of box body respectively, and one side of upper box body has all set up magnetic attraction structure still through connecting hinge connection cover plate on apron and the lower floor's box body, when each partial structure of barrel was foldd, the magnetic attraction structure of the two closely together. The barrel get by cigarette capsule process convenient, and the barrel structure is not destroyed when getting by the capsule, has guaranteed barrel repackaging's integrality.

A pull out trochus for jumbo

The utility model discloses a pull out trochus for jumbo, including lift platform, support frame, thumb wheel hydro -cylinder, first, second arm lock, lift platform's bottom installation walking wheel, the support frame is installed on lift platform, and the slide is offered to installation thumb wheel hydro -cylinder on the support frame on the curb plate of support frame, and one end first, the second arm lock is installed respectively in the slide and can be followed the slide and slide, and the lead screw board is installed respectively to the other end first, the second arm lock, and a plurality of through -holes that are used for installing the lead screw are offered respectively at the both ends of lead screw board. The utility model discloses a pull out trochus for jumbo, lift platform's bottom installation walking is taken turns, and the convenience removes and uses, one end first, the second arm lock is installed respectively in the slide and can be followed the slide and slide ...

After unscrew and cover formula cigarette barrel

The utility model discloses an after unscrew and cover formula cigarette barrel, including box body and lid, the box body is a cuboid container, its top surface opening, other each closed, the side of box body sets up convex spout, the top of convex spout sets up spacing portion, the lid is front and bottom surface opening, other each confined cuboids, sets up between the back lower limb of lid and the back lower limb of box body and is connected the hinge, and the lid can be followed and connected the hinge and rotate for the box body, the side of lid sets up the gleitbretter, and the gleitbretter card can slide in convex spout in convex spout. The utility model discloses an after unscrew and cover formula cigarette barrel get by cigarette capsule process convenient, and the barrel structure is not destroyed when getting by the capsule, has guaranteed barrel repackaging's integrality.

Communicated axle water cooling cast copper rotor asynchronous motor

The invention discloses a communicated axle water cooling cast copper rotor asynchronous motor. The motor comprises a rotating shaft, cast copper rotors and a stator, wherein the cast copper rotors are connected to the rotating shaft, the stator is fixed in a shell, and the cast copper rotors are located in a ring of the stator; the left end of the rotating shaft and the right end of the rotating shaft are connected with a rear end cover and a front end cover through bearings respectively, a connecting device and an aviation socket are connected to the shell, an AMP two-needle external member is connected to the aviation socket, and the connecting device is connected with the aviation socket; a rotation changing device is arranged on the rotating shaft and located in the shell, and the rotation changing device is connected with the connecting device; the cast copper rotors are overlapped into a rotor iron core on a false shaft through a plurality of rotor punching pieces, then molten copper ...

Manual notch cutting device for cigarette flat sheet packaging film

The invention discloses a manual notch cutting device for a cigarette flat sheet packaging film. The manual notch cutting device comprises a base, a horizontal positioning block is connected to the horizontal direction of the base in a sliding mode, and a longitudinal positioning block is arranged on the base in the longitudinal direction perpendicular to the horizontal direction in a sliding connection mode. A guide plate is arranged on the base, and the horizontal positioning block and the longitudinal positioning block are used for positioning the cigarette flat sheet packaging film in the horizontal direction and the longitudinal direction. A force application plate which can be folded in the direction of a guide plate is hinged to the base, and the force application plate is provided with at least one cutter assembly in the direction of the guide plate. Each cutter assembly comprises a cutter. The guide plate is provided with a fixed arm which is provided with a cutter hole matched ...

Glass tube low temp. heat exchanger

The low-temp. heat exchanger uses tube shell type heat exchange structure in which soft water flows in glass tube and flue gas flows across outside the tube. The ashes on the glass tube can be removed by spraying special detergent liquid. It is suitable for use in various boilers and in situation where the tail gas has low-temp. surplus heat.

Man-machine interface device with principal and subordinate USB interface and its usage method

The invention discloses a man-machine interface device with master-salve USB interface and application method, which is characterized by the following: arranging at least one USB master control terminal on the man-machine interface device; connecting the portable storage medium with USB interface; storing the updated or maintenance document and data in the portable storing medium; connecting the potable storing medium to the USB master control terminal of the man-machine interface device; matching with the steps of operation selection, password identification and executive movement control; proceeding software updated, system maintenance and data down load with the man-machine interface device.

Demonstration method for reliability quantitative requirements of ground-to-ground missile

The invention discloses a demonstration method for reliability quantitative requirements of a ground-to-ground missile, comprising the following steps of: 1, determining a reliability top-level parameter index of the ground-to-ground missile; 2, decomposing the reliability top-level parameter index of the ground-to-ground missile; 3, determining a reliability parameter threshold of the ground-to-ground missile; 4, balancing the reliability parameter index and the cost of the ground-to-ground missile; 5, analyzing the technical economic feasibility of the reliability parameter index of the ground-to-ground missile. The invention provides the demonstration method for reliability quantitative requirements of the ground-to-ground missile for determining the reliability parameter of the ground-to-ground missile, wherein the method is fit for our country national condition and strong in operability, and can guide the demonstration work of the reliability quantitative requirements of the ground-to-ground ...

Class of aryl-acrylketone compound containing 1,3,5-dioxazine heterocycle, preparation method and application thereof

The invention discloses a class of aryl-acrylketone compound (formula a) containing 1,3,5-dioxazine heterocycle, a preparation method and application thereof. The structural formula of the class of compound is shown as formula a in the specification, wherein, in formula a, Y is the formula showed in the specification, wherein R is H, F, Cl, Br, CH3O, C2H5O, 2,4-Cl2, NO2, CH3. In formula a, R1 is CH3, C2H5, and CH(CH3)2. The compound in the invention has simple structure and is easy to prepare. The compound in the invention has good activity on pests such as aphid, plutella xylostella, tetranychus cinnabarinus and the like, and the activity of the majority of the compound in the invention is superior to the effective components of natural Chinese stellera root, the invention can be applied practically in agricultural production.

Hyperbranched polyglycidol film and preparation method thereof

The invention discloses a hyperbranched polyglycidol film and a preparation method thereof and belongs to the field of high-molecular materials. The film material disclosed by the invention presents very good separation performance and permeation flux. The structural formula of the product disclosed by the invention is as shown in the accompanying drawing. The preparation method comprises the following steps: 1) dissolving hyperbranched polyglycidol and 4,4minute-Oxydiphthalic anhydride (ODPA) in dimethylacetamide to obtain solution A, then placing the solution A in a water bath at temperature of 65-75DEG C and agitating for pre-crosslinking for 3-5h; scraping to prepare liquid film and drying the liquid film at 75-85DEG C for 4-5h; drying the film in a vacuum drying oven at 150-160DEG C for 4-6h to obtain the hyperbranched polyglycidol film. The distribution range of the molecular weight of the hyperbranched polyglycidol film is narrower.

Electromagnetic force balance type balance using delta modulation type analog-to-digital converter

The invention relates to an electromagnetic force balance type balance using a delta modulation type analog-to-digital converter, comprising an electromagnetic type balance sensor and the delta modulation type analog-to-digital converter, wherein the electromagnetic type balance sensor is respectively connected with a temperature sensor signal regulator and a PID (Proportional Integral Derivative) controller, and the PID controller is connected with a signal output and regulation module; the delta modulation type analog-to-digital converter is respectively connected with the temperature sensor signal regulator, the signal output and regulation module and a signal processing singlechip, and the signal processing singlechip is connected with a keyboard and display peripherals. The invention has the benefits of being capable of completely substituting a complex circuit comprising a large quantity of discrete devices and also greatly enhancing the reliability of the electromagnetic force balance ...

Method for measuring transfer rate of solid filter tip additive of cigarette in main stream smoke

Process for synthesizing tree-like/super branched polymer

[inverse]-beta- farnesene analogue, preparing method and application of the same

The invention discloses a preparing method of inverse-beta-fanihene analogue and application, which is characterized by the following: possessing compound with structural formula as formula 1; setting Y as O or S; setting Z as O, S or NCN; possessing good chemical activity for aphid. This compound possesses big molecular weight and good stability, which can get actual utility in agricultural production.

一种用于自由基聚合的载体型引发剂及制备方法

... 本发明一种用于自由基聚合的载体型引发剂及制备方法，载体型引发剂是以含碳-氢键的聚合物作为载体，载体表面带有引发基团；其制备方法是将载体经过光化学反应催化剂/有机溶剂浸渍、晾干后，经过紫外光照射，再用有机溶剂洗涤、晾干。适合于可以进行自由基聚合的乙烯类化合物单体聚合。 ...

Method for producing microporous mesoporous compound additives of cigarette filter tips

The invention discloses a method for producing microporous mesoporous compound additives of cigarette filter tips. The method comprises: mixing solution of sodium hydroxide, silicon source and solution of cetyl trimethyl ammonium bromide serving as template for synthesizing mesoporous material; adding solution of tetraproylammonium bromide serving as the template for synthesizing microporous material; regulating the pH of the mixture to be between 9 and 11 and then transferring the mixture into a reaction kettle; performing synchronous crystallization for 12 to 72 hours at 150 to 180 DEG C; and obtaining the microporous mesoporous compound additives of cigarette filter tips after separating, washing, drying and roasting precipitate. The method overcomes the deficiency that the prior art is complex in technological process and narrow in pore size distribution of obtained composite additives, and provides the method which keeps temperature constant during synchronous crystallization, is simple ...

Synthesis method of Nicodil

The invention discloses a nirandil synthesis method, which is characterized in that in one step of synthesizing ethyl acetate, ethyl ether is used for replacing carcinogenic benzene to extract ethyl nicotinate, so that the toxicity is reduced, the benzene residue is reduced, and the yield is improved; the invention discloses optimal proportion reaction conditions for controlling ethyl nicotinate and ethanolamine, and the yield of the generated N-(2-hydroxyethyl) nicotinamide can reach more than 90%. Diethyl ether is prevented from being used as a solvent, so that the cost is reduced, reagent pollution and harm to human bodies are reduced, and the yield and the yield are also greatly improved.

Vehicle and lane changing method and device thereof

The embodiment of the invention discloses a vehicle and a lane changing method and device thereof, and the method comprises the steps: starting an NOA function, and entering an automatic lane changing mode; selecting a lane changing window from the vehicles on the driving road; determining whether the lane changing window is an appropriate lane changing window or not according to the speed of the vehicle and the lane changing parameters when the vehicle changes the lane from the lane changing window to the first lane; and when the lane changing window is a proper lane changing window, changing the lane at the lane changing window, and when the lane changing window is not a proper lane changing window, reselecting the lane changing window until the proper lane changing window is obtained for changing the lane. According to the scheme of the embodiment, on the premise that driving comfort and safety are considered, the optimal lane changing window is selected for lane changing.

Take turn down rims elevartor shaft operation platform

The utility model provides a take turn down rims elevartor shaft operation platform, relates to building construction field. The utility model discloses an operation platform frame, landing slab, two sets of stand, operation platform frame level sets up in the top of two sets of stands, every assemblage post includes a root length stand and a short stand respectively, connect a diagonal brace respectively at the lower extreme of every assemblage post, the one end of every diagonal brace all is equipped with vertical support, and the other end all is equipped with the angle support, the landing slab passes through the top of bolted connection at the operation platform frame, top symmetry at the operation platform frame sets up a pair of rings, at the hinged joint of difference all around of operation platform frame drop in leaf. The utility model discloses it is stable to pass power, and the atress is effectual, and the preparation is convenient, at the bottom of the price, reduces intensity ...

Method for digesting available nutrient from neutral and calcareous soil as well as combined digestion agent thereof

The invention relates to a method for soaking and extracting available nutrient of neutral soil and calcareous soil and a combined extraction agent thereof. The combined extraction agent is a combination consisting of NaHCO33, Na2CO3 and Na2SO4; the combined extraction agent is prepared to aqueous solution which comprises 0.40mol/L to 0.50 mol/L NaHCO3, 0.020 mol/L to 0.030mol/L Na2CO3 and 0.30 mol/L to 0.40mol/L Na2SO4 and has a PH value between 8.4 and 8.6, then the solution with the mass ratio of the solution to soil between 5:1 and 25:1 is mixed to the soil which is to be measured; under the temperature condition between 20 DEG C and 30 DEG C, the solution is oscillated or stirred, soaked and extracted for 4 minutes to 20 minutes and filtered. The extraction agent has large buffering capacity and wide application range and can rapidly and high-efficiently soak and extract ammonium nitrogen, nitrate nitrogen, available phosphorus, rapidly available potassium for one time and has high ...

Endoscope ultrasonic scanning control optimization system and method based on standard site intelligent identification

The invention provides an endoscope ultrasonic scanning control optimization system and method based on standard site intelligent identification. The system comprises a data collection and preprocessing module, a standard site real-time classification model construction module, a model training and verification optimization module and a standard site scanning visualization module. The data collecting and preprocessing module is used for collecting an EUS video data set and preprocessing the data set; the standard station real-time classification model construction module is used for identifying whether the current frame of the input data is a standard station image or not and identifying the spatial position of the standard station image; the model training and verification optimization module is used for optimizing model parameters of the standard site real-time classification model; and the standard station scanning visualization module is used for carrying out statistics, analysis and ...

Continuous flow fuel cell module for removing ammonia nitrogen and organic matters in water

The invention discloses a continuous flow fuel cell module for removing ammonia nitrogen and organic matters in water, the continuous flow fuel cell module comprises a plurality of unit modules, each unit module comprises a shell, the shell is filled with fuel and a hole response catalyst, and water inlets and water outlets of two adjacent unit modules are connected with each other to form a pipeline series connection structure; the cathode is a titanium dioxide nanotube tubular electrode modified with elemental bismuth, the anode is a photoresponse electrode formed by combining tungsten trioxide modified single-sided conductive glass and a monocrystalline silicon photocell, and the fuel comprises ammonia nitrogen and organic pollutants. A monocrystalline silicon photocell is combined to provide self-driven voltage, so that external voltage driving is not needed, toxic by-products are not contained, a highly modularized device is beneficial to maintenance, debugging, transformation and ...

High-accuracy capacitor micrometer

The invention discloses a high-accuracy capacitor micrometer which comprises a shell, a measuring rod, a capacitor sensor, an upper sleeve, a lower sleeve, a small sleeve, a fixed block and a level positioning block. A layer of plate rings is arranged in the middle of the cylindrical shell, the upper sleeve and the lower sleeve are respectively fixed in through holes at two radial ends of the shell, the measuring rod penetrates through inner holes of the upper sleeve and the lower sleeve, the small sleeve is fixedly arranged in the rod part of the measuring rod in the shell, a spring is arranged between the small sleeve and the upper sleeve, the capacitor sensor comprises a fixed capacitor and a movable polar plate, the fixed capacitor is fixed above the plate rings and provided with a groove in the middle, one end of the movable polar plate is fixedly connected with the measuring rod through the fixed block, the other end of the movable polar plate is embedded in the groove of the fixed ...

DEVICE AND METHOD FOR DYNAMIC TIME-LAPSE PHOTOGRAPHY

A mount comprises: a bracket assembly for holding an image-capture device; a drive shaft rotatably coupled to a stationary wheel for rotation of the drive shaft relative to the stationary wheel about a drive shaft axis; a support member coupled to the drive shaft to rotate about the drive shaft axis therewith, the support member extending radially away from the drive shaft axis; a rotational wheel rotatably coupled to the support member for rotation of the rotational wheel relative to the support member about a rotational wheel axis radially spaced apart from, and parallel to, the drive shaft axis, and coupleable to the bracket assembly such that rotation of the rotational wheel about the rotational wheel axis causes corresponding rotation of the bracket assembly about the rotational wheel axis; and a belt entrained around the stationary wheel and the rotational wheel. 1. A mount for an image-capture device , the mount comprising:a bracket assembly for holding an image-capture device;a drive shaft rotatably coupled to a stationary wheel for rotation of the drive shaft relative to the stationary wheel about a drive shaft axis;a support member coupled to the drive shaft to rotate about the drive shaft axis therewith, the support member extending radially away from the drive shaft axis;a rotational wheel rotatably coupled to the support member for rotation of the rotational wheel relative to the support member about a rotational wheel axis, the rotational wheel axis radially spaced apart from, and parallel to, the drive shaft axis;the rotational wheel fixedly coupled to the bracket assembly such that rotation of the rotational wheel about the rotational wheel axis causes corresponding rotation of the bracket assembly about the rotational wheel axis;a belt entrained around the stationary wheel and the rotational wheel.2. A mount according to wherein rotation of the drive shaft relative to the stationary wheel about the drive shaft axis causes corresponding rotation of ...

SMOKE GENERATION PRODUCT AND MANUFACTURING METHOD THEREFOR

A smoke generation product and a manufacturing method therefor, which relate to the technical field of tobaccos. The smoke generation product comprises a filter tip base body, a second connecting component, and an aroma generation portion. The filter tip base body comprises a first connecting component, and comprises a cooling portion and a filtering portion that are sequentially disposed in a smoking direction. The filtering portion and the cooling portion are connected by means of the first connecting component. A filtering passage and a cooling passage are in mutual communication. The aroma generation portion is connected to the filter tip base body by means of the second connecting portion, and the aroma generation portion is configured to release smoke by means of heating and make the smoke enter the cooling passage. 1. A smoke generation product , comprising:a filter base body, wherein the filter base body comprises a first connector, and a cooling portion and a filtration portion which are sequentially disposed along an inhalation direction, filtration passages are formed inside the filtration portion, cooling passages are formed inside the cooling portion, the filtration portion and the cooling portion are connected by the first connector, and the filtration passages and the cooling passages communicate with each other;a second connector; anda flavor-producing portion, the flavor-producing portion being connected to the filter base body via the second connector, and the flavor-producing portion being configured to release smoke into the cooling passages by being heated.2. The smoke generation product according to claim 1 , wherein an isolation portion is further disposed between the flavor-producing portion and the filter base body claim 1 , and isolation passages are disposed inside the isolation portion.3. The smoke generation product according to claim 2 , wherein the smoke generation product further comprises a third connector claim 2 , and the flavor- ...

Cigarette paper additive having harm reduction function and application thereof

A cigarette paper additive having harm reduction function and application thereof are provided. The additive contains alkali metal salts of butane tetracarboxylic acid or cyclobutane tetracarboxylic acid which are prepared by reacting the butane tetracarboxylic acid or cyclobutane tetracarboxylic acid with alkali. The application thereof is evenly adding the aqueous additive solution at different concentrations to cigarette paper by a metering rod-type film transfer sizing machine in a sizing section of the cigarette paper production, and the produced cigarette paper is used for cigarette production that can effectively reduce release of CO, phenol and tar in the mainstream smoke, and has better effects of harm reduction and tar reduction. The method of the invention is easy, does not need to alter the existing cigarette paper production process, and has low cost and higher industrial application value.

Smoke generation product and manufacturing method therefor

Provided is a smoking article (10) and a method of manufacturing the same, and relates to the field of tobacco technology. A smoking article includes: a filter base body (11), a second connector (12), and a flavor-producing portion (13), the filter base body (11) includes a first connector (110), and a cooling portion (112) and a filtration portion (111) which are sequentially disposed along an inhalation direction, the filtration portion (111) and the cooling portion (112) are connected by the first connector (110), and the filtration passage and the cooling passage communicate with each other. The flavor-producing portion (13) is connected to the filter base body (11) via the second connector (12), and the flavor-producing portion (13) is configured to release smoke into the cooling passage by being heated. The smoking article (10) overcomes the problems of complicated structure and high production cost of the prior smoking articles, and the smoking article (10) has a variety of functions.

COMPOUNDS REPELLENT FOR AFIDI AND METHOD FOR REPRESENTING THE REPELLENT POWER OF CHEMICAL COMPOUNDS IN CONCERNED AFIDI

Smoke generation product and manufacturing method therefor

A smoke generation product and a manufacturing method therefor, which relate to the technical field of tobaccos. The smoke generation product comprises a filter tip base body, a second connecting component, and an aroma generation portion. The filter tip base body comprises a first connecting component, and comprises a cooling portion and a filtering portion that are sequentially disposed in a smoking direction. The filtering portion and the cooling portion are connected by means of the first connecting component. A filtering passage and a cooling passage are in mutual communication. The aroma generation portion is connected to the filter tip base body by means of the second connecting portion, and the aroma generation portion is configured to release smoke by means of heating and make the smoke enter the cooling passage.

Variable speed theodolite

本实用新型涉及一种可变速经纬仪，它包括壳体、马达组件、转轴、大齿轮、小齿轮、滑动组件、蜗杆，壳体内部上端水平安装有转轴，转轴后端依次装有大齿轮和小齿轮，小齿轮位于大齿轮外侧，马达组件安装框架内侧下端，框架内侧上端安装有蜗杆，框架下端安装有滑动组件，马达组件一端驱动连接蜗杆的对应一端，蜗杆可与大齿轮或小齿轮啮合连接，框架通过滑动组件上下平移，从而控制蜗杆与大齿轮和小齿轮啮合切换，实现变速，壳体外侧开有斜槽，锁紧手轮通过斜槽旋转连接在框架一侧下端，通过锁紧锁紧手轮把框架固定在壳体内。优点是设计巧妙，使用方便，能够实现经纬仪的变速。

一种便于调节的电子称

本实用新型涉及电子称技术领域，具体的说是一种便于调节的电子称，包括电子称底座，所述电子称底座上表面中间安装有重量传感器，所述重量传感器上部安装有称重板，所述称重板上表面左右拐角处均安装有伺服电机Ⅰ，两个所述伺服电机Ⅰ输出端均通过联轴器安装有滚珠丝杠副，所述滚珠丝杠副外壁转动连接有滚珠丝杠螺母副，通过重量传感器能够感应称重板上部的重量，借助两个伺服电机Ⅰ能够带动两个滚珠丝杠副进行旋转，从而能够带动两个滚珠丝杠螺母副进行上下移动，进而能够带动置物板进行上下移动，这样能够根据使用者方便程度去调节置物板的高度，从而方便称重物品。

经纬仪稳定辅助拍照的机构

本实用新型涉及一种经纬仪稳定辅助拍照的机构，它安装在经纬仪上，所述经纬仪固定安装有望远镜，望远镜上架设有手机；所述机构包括按钮以及快门接口，按钮、快门接口分别安装在经纬仪上，相互之间通过导线连接；所述机构还包括控制线，控制线一端设置有与快门接口相匹配的接头，另一端设置有与手机接口相匹配的接头，控制线分别与快门接口、手机插拔连接，连接快门接口与手机。设计合理，结构简单，利用设置在经纬仪上的按钮控制手机进行拍照，避免与手机直接接触造成望远镜偏离目标，拍照稳定。

一种具有清洁功能的机械零件传动机构

本实用新型公开了一种具有清洁功能的机械零件传动机构，包括壳体，所述带动板的底部固定连接有齿条，所述壳体内腔的正面与背面均安装有传动齿轮，所述壳体内壁的底部等间隔安装有安装管，所述安装管内腔设置有充气囊，所述安装管的内腔安装有挤压活塞，所述壳体内壁的两侧均固定连接有空心板，两个空心板相对的表面均等间隔连通有导管，所述导杆远离活塞块的一侧固定连接有清洁刷。机械零件传动时的重力能够通过传动带让传导杆挤压充气囊，从而让充气囊能够通过气压带动活塞块进行挤压，让清洁刷来通过左右移动调节来对传动的机械零件进行清洁，从而能够达到根据不同传动重力的机械零件来达到清洁的效果。

Time-lapse photographing apparatus and photographing method thereof

A time-lapse photographing apparatus, comprising a support (1), a gimbal (2), a supporting plate (3), and a supporting seat (4 ). The gimbal (2) is rotatably mounted on the upper end of the support (1); a rotating seat is mounted at one side of the gimbal (2) ; one end of the supporting plate (3) is fixed on the rotating seat; the supporting seat ( 4) is rotatably mounted on the other end of the supporting plate (3) by means of a rotating shaft (6); a fixed wheel (5) is designed around the rotating seat; one end of the rotating shaft (6) passes through the supporting plate (3) and then is provided with a movable wheel (7); and the fixed wheel (5) is connected to the movable wheel (7) by means of a belt ( 10). The time-lapse photographing apparatus has the advantages of being simple to operate and easy to learn, having the functions of traditional time-lapse photographing apparatuses, increasing the functions of up and down displacement and rotation of pictures, and being small in size and convenient to carry.

一种便于更换的电子秤置物盘

本实用新型公开了一种便于更换的电子秤置物盘，包括两个对称设置的第一横秤杆和两个对称设置的第二横秤杆，所述第一横秤杆和第二横秤杆之间左右对称设置称重传感器安装座，两个称重传感器安装座的顶部安装有称重传感器，所述防滑垫上搭接有置物秤盘，所述第一支撑板的下端外侧壁开设有开槽，所述置物秤盘下端内侧壁开设有和开槽槽口相对齐的固定槽，所述第一支撑板上螺接有伸入至开槽内的螺纹柱，所述螺纹柱上转动连接有插入至固定槽内的固定卡块。本实用新型当需要对置物秤盘进行更换时，手动旋转螺纹柱外端的旋转把手，使置螺纹柱和第一支撑板相螺接，故使固定卡块脱离固定槽内，移动至开槽内，即可实现置物秤盘的快速更换工作。

一种带有收钱盒的条码打印称

本实用新型公开了一种带有收钱盒的条码打印称，包括底座，所述底座的顶部设置有称重台，所述底座底部的四角处均固定连接有螺杆，所述螺杆贯穿螺纹筒且延伸至其内部与其螺接，所述螺纹筒的底部通过轴承座与支撑块固定连接，所述底座的侧面上设置有存钱盒，所述存钱盒贯穿底座且延伸至其内部与其滑动连接，所述底座的顶部且位于称重台的一侧设置有支撑柱。该带有收钱盒的条码打印称，通过设置存钱盒方便对钱币进行收集，通过设置螺杆、螺纹筒和支撑块方便对底座进行调整，使得底座在不平整的地方保持平衡，避免称重数据不准确，通过在底座的四角设置保护垫避免掉落造成装置的损坏，且实用性强，便于使用。

一种电子天平的高精度限位机构

本实用新型公开了一种电子天平的高精度限位机构，包括电子天平本体，所述电子天平本体的上端设有防风罩，所述防风罩的前端对称设有两个固定柱，且固定柱之间设有第一活动挡板，所述固定柱的侧边对称设有两个第二活动挡板，所述电子天平本体的上端设有称量台，且称量台的上端设有秤盘，所述称量台的两侧均设有固定座，且称量台的前端设有安装座，所述固定座内设有丝杆和齿轮箱，且固定座靠近称量台的一侧设有支撑板，所述齿轮箱的输出轴与丝杆的一端固定连接。与传统的电子天平相比，本实用新型通过设置可以升降的支撑板和载料盘来对物料进行预先承载，可有效避免因操作失误而导致的秤盘受损的现象。

一种电子台秤承重支架

本实用新型涉及电子台秤承重支架技术领域，具体的说是一种电子台秤承重支架，包括塑胶底座和传感器本体，所述塑胶底座上表面粘固有塑胶矩形框Ⅰ，所述传感器本体外底部卡接在塑胶矩形框Ⅰ内部，所述传感器本体外上部卡套有塑胶矩形框Ⅱ，所述塑胶矩形框Ⅱ上部粘固有塑胶秤盘，所述塑胶矩形框Ⅰ和塑胶矩形框Ⅱ的左右外壁中间均穿插有T形插杆，整体便于进行快速拆卸更换，同时使用寿命较长，具体讲首先向外拉动底部的T形插杆，然后将传感器本体放置在塑胶底座上表面粘固的塑胶矩形框Ⅰ内，随后将T形插杆末端对准传感器本体外壁底部左右两侧的插接槽，并依靠弹簧的收紧力来将塑胶矩形框Ⅰ和传感器本体进行安装。

Device and method for dynamic time-lapse photography

A mount comprises: a bracket assembly for holding an image-capture device; a drive shaft rotatably coupled to a stationary wheel for rotation of the drive shaft relative to the stationary wheel about a drive shaft axis; a support member coupled to the drive shaft to rotate about the drive shaft axis therewith, the support member extending radially away from the drive shaft axis; a rotational wheel rotatably coupled to the support member for rotation of the rotational wheel relative to the support member about a rotational wheel axis radially spaced apart from, and parallel to, the drive shaft axis, and coupleable to the bracket assembly such that rotation of the rotational wheel about the rotational wheel axis causes corresponding rotation of the bracket assembly about the rotational wheel axis; and a belt entrained around the stationary wheel and the rotational wheel.

Smoke generation product and manufacturing method therefor

Zn-cugao2@cmk-3 composite material, preparation method therefor and application thereof

The present invention discloses a Zn-CuGaO2@CMK-3 composite material, a preparation method therefor and an application thereof, where Ga(NO3)3 xH2O, Cu(NO3)23H2O, Zn(NO3)26H2O and CMK-3 are dispersed into a mixture composed of deionized water, ethylene glycol, and a KOH solution to obtain a precursor dispersion; and the precursor dispersion is subjected to a reaction at 180-220C, and a resulting product is washed and dried to obtain the Zn-CuGaO2@CMK-3 composite material. The Zn-CuGaO2@CMK-3 composite material of the present invention has advantages such as large specific surface area, good electroconductivity and good catalytic performance, and an electrochemical sensor using the present invention shows the lowest detection limits of 0.044 micromol/L and 0.059 micromol/L for sunset yellow and tartrazine, respectively, which can meet the requirements of detection.

一种多主机控制的天文望远镜系统

本实用新型涉及一种多主机控制的天文望远镜系统，它包括一台天文望远镜，承载上述望远镜的两轴转台，驱动上述转台两轴的电机，控制上述电机的电机伺服控制器，望远镜支架上安装有两轴转台，两轴转台后端分别安装有电机，电机伺服控制器安装在望远镜支架上，多主机控制的天文望远镜系统还包括至少一台主控器，主控器可拆卸安装在望远镜支架上，主控器通过信号线或无线信号连接电机伺服控制器，电机伺服控制器通过信号线连接驱动上述转台两轴的电机。优点是设计巧妙，使用方便，实现了多主控器的望远镜控制系统，而且多个主控器对同一望远镜系统（设备1）的控制，具备一致的特性和结果。

Cigarette paper additive having harm reduction function and application thereof

A cigarette paper additive having harm reduction function and application thereof are provided. The additive contains alkali metal salts of butane tetracarboxylic acid or cyclobutane tetracarboxylic acid which are prepared by reacting the butane tetracarboxylic acid or cyclobutane tetracarboxylic acid with alkali. The application thereof is evenly adding the aqueous additive solution at different concentrations to cigarette paper by a metering rod-type film transfer sizing machine in a sizing section of the cigarette paper production, and the produced cigarette paper is used for cigarette production that can effectively reduce release of CO, phenol and tar in the mainstream smoke, and has better effects of harm reduction and tar reduction. The method of the invention is easy, does not need to alter the existing cigarette paper production process, and has low cost and higher industrial application value.

Device and method for dynamic time-lapse photography

A mount comprises: a bracket assembly for holding an image-capture device; a drive shaft rotatably coupled to a stationary wheel for rotation of the drive shaft relative to the stationary wheel about a drive shaft axis; a support member coupled to the drive shaft to rotate about the drive shaft axis therewith, the support member extending radially away from the drive shaft axis; a rotational wheel rotatably coupled to the support member for rotation of the rotational wheel relative to the support member about a rotational wheel axis radially spaced apart from, and parallel to, the drive shaft axis, and coupleable to the bracket assembly such that rotation of the rotational wheel about the rotational wheel axis causes corresponding rotation of the bracket assembly about the rotational wheel axis; and a belt entrained around the stationary wheel and the rotational wheel.

Time-lapse photographing apparatus and photographing method thereof