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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 21. Отображено 21.
04-04-2023 дата публикации

Synergistic denitration and demercuration catalyst as well as preparation method and application thereof

Номер: CN115888749A
Принадлежит:

The invention provides a synergistic denitration and demercuration catalyst as well as a preparation method and application thereof, and relates to the technical field of flue gas treatment. The synergistic denitration and demercuration catalyst comprises a carrier and an active component, and is formed by agglomeration of nanoparticles, the carrier is titanium dioxide, and the active components are manganese and cobalt. The preparation method of the catalyst comprises the following steps: mixing manganous nitrate, cobalt nitrate, absolute ethyl alcohol and water to form a mixed system, then adding a tetrabutyl titanate solution into the mixed system, stirring until sol is formed, and sequentially drying and roasting to obtain the catalyst. The application of the synergistic denitration and demercuration catalyst is as follows: the catalyst is put into a fixed bed reactor, then NO and Hg < 0 > are introduced at the same time for reaction, and the reaction space velocity is controlled to ...

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10-12-2014 дата публикации

Automatic bean peeling machine

Номер: CN104188078A
Принадлежит:

The invention provides an automatic bean peeling machine. The automatic bean peeling machine comprises a feeding system, a bean pressing and skin cutting system and a squeezing and peeling system. The feeding system comprises a hopper and a pipeline. One end of a swing rod is connected with the hopper. The other end of the swing rod is in contact with a grooved cam. The grooved cam is fixedly connected with a first pinion. A roller is arranged in a groove of the grooved cam. The roller is hinged to one end of a push rod. A push block is arranged at the other end of the push rod. The radius of curvature of the groove becomes larger when beans are pushed out, the radius of curvature of the groove is constant when the push rod is stopped, and the radius of curvature of the groove becomes smaller when the push rod retracts. By the adoption of the automatic bean peeling machine, fresh beans or swelled beans, such as broad beans, soaked in water are peeled, eating and processing are facilitated ...

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23-07-2014 дата публикации

Low-temperature denitration catalyst as well as preparation method and application thereof

Номер: CN103933971A
Принадлежит:

The invention discloses a low-temperature denitration catalyst as well as a preparation method and application thereof. Cordierite honeycomb ceramics are taken as a first carrier of the low-temperature denitration catalyst, and activated titanium dioxide is taken as a second carrier, and the activated components of manganite and auxiliary cerium oxide are loaded. The catalyst comprises the following composition in percentage by weight: TiO2 accounts for 1.7-15.0% of the cordierite honeycomb ceramic carrier, and manganese cerium oxide accounts for 0.64-2.00% of the cordierite honeycomb ceramic carrier, wherein the mass ratio of cerium oxide to manganese oxide is (0-2.1):1. The low-temperature denitration catalyst has the advantages of simple preparation technology, low cost, high low-temperature activity and large-scale industrialization.

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23-03-2018 дата публикации

Silo explosion device is prevented in storage tank storehouse

Номер: CN0207129466U

The utility model discloses a silo explosion device is prevented in storage tank storehouse, including storage tank, upper limit charge level indicator, lower limit charge level indicator, material loading mouth and material loading mouth electric valve, upper limit charge level indicator, lower limit charge level indicator and material loading mouth electric valve all are connected through the cable and the controller electricity of the interior installation of switch board, the intercommunication has feed back branch between material loading mouth and the material loading mouth electric valve, is provided with feed back mouth electric valve in the feed back branch, and feed back mouth electric valve passes through the cable and is connected with the controller electricity, feed back branch communicates back material transport cart. The utility model discloses material in the storage tank was reported to the police when being higher than upper limit charge level indicator, reminded the ...

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11-03-2015 дата публикации

Molecular self-assembled membrane corrosion inhibitor for chemical cleaning and preparation method thereof

Номер: CN104404548A
Принадлежит:

The invention discloses a molecular self-assembled membrane corrosion inhibitor for chemical cleaning. The corrosion inhibitor is composed of a corrosion inhibition component and a dispersion solubilization component in a mass ratio of (5-6):1. The corrosion inhibition component is composed of the following raw materials by weight: 70-80 parts of mercaptobenzothiazole, 10-20 parts of o-xylene thiourea, and 10-20 parts of 5, 6-dimethyl-2-mercaptobenzothiazole. The dispersion solubilization component consists of the following raw materials by weight: 10-20 parts of sodium dodecyl sulfate, 10-20 parts of a gemini surfactant, 30-40 parts of a dispersing agent MF, and 30-40 parts of a dispersing agent CS. The invention also discloses a preparation method of the corrosion inhibitor. The corrosion inhibitor provided by the invention has the characteristics of simple preparation method, low cost, small dosage, and good corrosion inhibition effect.

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18-11-2015 дата публикации

A simple and easy device that is used for outdoor collection insulator filthy

Номер: CN0204789016U
Принадлежит:

The utility model discloses a simple and easy device that is used for outdoor collection insulator filthy, including collection portion and the portion of keeping out the wind, collection portion is no end obconic, collection portion follows the upper end circumferencial direction and keeps out the wind a fixed connection. The portion of keeping out the wind is the semicolumn arc. (1 ) the utility model discloses a collect the filthy simple and easy device lower part of insulator coning, can be used to filthy collection and convenient the save, (2 ) the utility model discloses a lower part taper shape is followed to the simple and easy device that the collection insulator is filthy has the extension part, for the portion of keeping out the wind, can play the effect of keeping out the wind when site operations, (3 )Adopt the template, weigh paper material pure, that intensity is higher, adhesion nature is poor such as paper and make, but furthest reduces the adhesion to the filth, reduces ...

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14-07-2023 дата публикации

Diatomic catalyst for flue gas pollutant removal, preparation method of diatomic catalyst, layered combined catalyst composition and application of layered combined catalyst composition

Номер: CN116422343A
Принадлежит:

The invention provides a double-atom catalyst for flue gas pollutant removal, a preparation method of the double-atom catalyst, a layered combined catalyst composition and application of the layered combined catalyst composition, and relates to the field of catalysts. The diatomic catalyst comprises a catalyst carrier, and a first metal and a second metal which are loaded on the catalyst carrier, the first metal comprises at least one of Pd, Pt, Rh and Au, and the second metal comprises at least one of Ag, Cu, Mn, Ce and Cr. The preparation method comprises the following steps: preparing a mixed metal salt solution from raw materials including a salt of a first metal and a salt of a second metal, loading the mixed metal salt solution onto a catalyst carrier, and calcining in the presence of a reducing agent, or reducing in a reducing atmosphere after calcining without using the reducing agent. According to the diatomic catalyst for flue gas pollutant removal, the utilization rate of the ...

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07-01-2015 дата публикации

Side river underground water taking surface water recharging back wash engineering structure

Номер: CN104264739A
Автор: WU DEAN, MA WEI, HOU YAQIN
Принадлежит:

The invention relates to the side river underground water taking technology, and in particular relates to a side river underground water taking surface water recharging back wash engineering structure, and the side river underground water taking surface water recharging back wash engineering structure comprises a water taking pump room and a control room foxed on the side river base, a filtering layer located on the base, an electric control cabinet is respectively formed in the water taking pump room and the control room, a water supply pump assembly and a sewage pump assembly in the water taking well in the water taking pump room and the control room, wherein a water collecting channel is formed in the water taking well in the water taking pump room and the control room, the top of the water collecting channel is provided with a water collecting control valve controlled by the electric control cabinet, the bottom of the water collecting channel is connected to a water taking filtering ...

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04-11-2015 дата публикации

Prepare device of online electric conductance counting rate meter standard calibration solution

Номер: CN0204740337U
Принадлежит:

The utility model discloses a prepare device of online electric conductance counting rate meter standard calibration solution, reach and add the medicine measuring pump including pure water measuring pump, accuse liquid measuring pump, pure water measuring pump, accuse liquid measuring pump and all continuous with the blender with the medicine measuring pump, be equipped with the agitator in the blender, pure water measuring pump, accuse liquid measuring pump and all continuous with the controller with the medicine measuring pump. The utility model discloses can prepare the normal solution of low conductivity to accomplish standard measurement transmittance process better, improved the accuracy of online electric conductance counting rate meter operation in -process.

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28-11-2007 дата публикации

Minim chlorine ion test method for furnace water

Номер: CN0101078682A
Принадлежит:

The invention discloses a testing method for trace chloride ion in boiler water. It solves problems that testing accuracy for trace chloride ion in boiler water in current power plant is not high and filed test can not be carried out. It is provided with simple method, quick and accurate test in field and obtaining testing result in time so on. The method is that mixed solution of ferric nitrate and perchloric acid is added into the standard solution of chloride ion; mixed solution of mercury thiocyanate and methyl alcohol is added to form stable hyacinth complex compound; of which absorbency A of the complex compound deducting blank absorbency A0, namely (A-A0) and the chloride ion content C have smooth curve relation in the range of 0-6000CI- mu g/L; on the curve chloride ion content is fetched in 0-1000CI- mu g/L to build linear relation equation of absorbency (A-A0) and the chloride ion content C, namely (A-A0) =a+bC; testing water sample is fetched; the absorbency A is made to deduct ...

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10-09-2008 дата публикации

Catalyst for removing flue gas NOx under low temperature and preparation and application

Номер: CN0101259408A
Принадлежит:

The invention relates to a catalyst used for removing flue gas NOx at low temperature. The weight percentage of each component is: 90.0 to 99.0 percent of active carbon fiber and 0.1 to 10.0 percent of V2O5. The active carbon fiber is dipped into a mixed solution prepared by oxalic acid and ammonium metavanadate which contains V2O5 and has a concentration of 0.000088735 to 0.0088735g/ml, then is stood for 2 to 5h under the room temperature, dried for 2 to 12h under a temperature of 40 to 60 DEG C, dried for 2 to 6h under a temperature of 100 to 120 DEG C, then is calcined for 2 to 8h in an argon atmosphere at 400 to 500 DEG C and is calcined for 2 to 5h in air of 200 to 260 DEG C to obtain the catalyst. The invention is simple to be operated, has excellent poisoning capacities of H2O resistance and SO2 resistance and improves the activity of selectively catalyzing and reducing the NOx.

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21-10-2015 дата публикации

Mud automatic clearing apparatus is floated to buoyancy formula

Номер: CN0204714539U
Принадлежит:

The utility model relates to a mud automatic clearing apparatus is floated to buoyancy formula. This mud automatic clearing apparatus is floated to buoyancy formula includes: mud collection device is floated to the buoyancy formula of installing in the pond, what be located pond top is used for fixing a position the fixing device that mud collection device is floated to the buoyancy formula, install the row's mud device that floats mud collection device below in the buoyancy formula, the buoyancy formula float mud collection device including open have a mudhole float the mud collector, connect and lie in the totally -enclosed cavity floater that floats mud collector below, wear to locate the first mud pipe in the totally -enclosed cavity floater, lie in the balancing weight of first mud pipe bottom. The utility model discloses, simple structure, design science, integrated into one piece, on -the -spot installation is simple and easy, small, the investment economizes, need not on dutyly ...

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23-12-2015 дата публикации

High altitude insulator chemistry ash sample sampling device

Номер: CN0204903222U
Принадлежит:

The utility model discloses a high altitude insulator chemistry ash sample sampling device, which comprises an outer shell, inside center pin and the sample dish fixed connection of passing through of shell, the sample dish can be around the center pin rotation, a plurality of thief hole is evenly laid to the most peripheral round on the sample dish, cooperate with the collection funnel position of being fixed in on the shell in thief hole upper portion. The utility model discloses can supply the blank in the middle of the online road check process of repairing, at super high voltage transmission lines at present, let in the middle of the chemistry maintenance participates in circuit maintenance process, particularly, can carry out chemical composition's analysis with the influence that the environment brought, the utility model discloses being exactly the sample collection process that realizes earlier stage, need not unloading the insulator and go ground completion sampling, the staff ...

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23-06-2023 дата публикации

Method for rapidly acquiring transient spectrum through high-speed rotating light splitting device by adopting single detector

Номер: CN116295828A
Принадлежит:

The invention relates to the technical field of optical analysis, and particularly provides a method for rapidly acquiring a transient spectrum through a high-speed rotating light splitting device by adopting a single detector. The method is characterized in that incident light passes through a light splitting device rotating at a high speed to obtain emergent light with different wavelengths, the emergent light is sequentially read by a single detector and processed by a computer to obtain a transient spectrum, and the obtaining time of a single spectrum is less than 0.12 second. The method comprises the following steps: 1) guiding a light beam of an incident light source into a rotating disk through an incident slit, and decomposing the light beam into a spectrum by a light splitting device on the disk; 2) enabling photons with different wavelengths after light splitting to enter a single detector through an exit slit in sequence through high-speed rotation of a light splitting device ...

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15-12-2010 дата публикации

Catalyst for removing flue gas NOx under low temperature and preparation and application

Номер: CN0101259408B
Принадлежит:

The invention relates to a catalyst used for removing flue gas NOx at low temperature. The weight percentage of each component is: 90.0 to 99.0 percent of active carbon fiber and 0.1 to 10.0 percent of V2O5. The active carbon fiber is dipped into a mixed solution prepared by oxalic acid and ammonium metavanadate which contains V2O5 and has a concentration of 0.000088735 to 0.0088735g/ml, then is stood for 2 to 5h under the room temperature, dried for 2 to 12h under a temperature of 40 to 60 DEG C, dried for 2 to 6h under a temperature of 100 to 120 DEG C, then is calcined for 2 to 8h in an argon atmosphere at 400 to 500 DEG C and is calcined for 2 to 5h in air of 200 to 260 DEG C to obtain the catalyst. The invention is simple to be operated, has excellent poisoning capacities of H2O resistance and SO2 resistance and improves the activity of selectively catalyzing and reducing the NOx.

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22-04-2015 дата публикации

Method capable of simultaneous determination of various trace anions in water vapor of thermal power generating unit

Номер: CN104535669A
Принадлежит:

The invention discloses a method capable of simultaneous determination of various trace anions in water vapor of a thermal power generating unit; the various trace anions in the water vapor of the thermal power generating unit are determined by a capillary ion chromatography, wherein the trace anions comprise F<->, Cl<->, SO4<2->, Br<->, NO3<->, NO2<->, PO4<3->, CH3COO<->, HCOO<-> and C2O4<2->, and the method comprises the following specific steps that a to-be-detected water sample is filtered with a 0.45 [mu]m membrane filter and then is injected into a sample introduction quantitative ring of an ion chromatographic instrument; ion chromatography detection conditions comprise an anion analytical column IonPac AS18 Capillary and a guard column IonPac AG18 Capillary are used, the column temperatures of the anion analytical column and the guard column are 30 DEG C, an eluent solution is an KOH solution, gradient elution is carried out, the suppressing current of a suppressor is 11 mA, the ...

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03-02-2016 дата публикации

Different velocity of flow conversion equipment in rounding ball rate are oozed to survey

Номер: CN0205015338U
Принадлежит:

The utility model relates to a different velocity of flow conversion equipment in rounding ball rate are oozed to survey, including a plurality of pipes and a plurality of three -way valve, all connect three pipes on every three -way valve, and through pipe connection between the three -way valve, the solution that switching through the control pipe oozes rounding ball rate with survey channels into and accords with in the pipe of setting for the velocity of flow. The utility model discloses can pass through to control respectively rotatory stagnant water valve and stagnant water and press from both sides the different velocities of flow of design, each flow path oozes the mill according to the resin and respectively requires to have surveyd the velocity of flow, and during the use, two way stagnant waters press from both sides through cliping in addition, and messenger's solution passes through the flow path of the required velocity of flow, the quick switching velocity of flow, and testing ...

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18-11-2015 дата публикации

A simple and easy device that is used for outdoor collection insulator in high altitude filthy

Номер: CN0204793949U
Принадлежит:

The utility model discloses a simple and easy device that is used for outdoor collection insulator in high altitude filthy, including the funnel, the funnel below links to each other with the collection bag that can be the mouth, it can be that the fastening is due to the funnel lower extreme to collect the bag sack, be equipped with the collection apparatus in the collection bag. The pull has been worn to a collection bag sack is a mouthful rope, convenience system mouth. (1 ) the utility model discloses the funnel bore of collecting the simple and easy device that the insulator is filthy is great, the convenient collection, (2 )Utilize the utility model discloses collect the simple and easy device that the insulator is filthy, filthy inclined plane of following the funnel very easily gets into collects the bag, (3 )Utilize the utility model discloses collect the simple and easy device that the insulator is filthy, the race of can not blown again behind the filthy entering collection bag ...

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11-11-2015 дата публикации

Hydrogen is led duolite and is concentrated regenerating unit

Номер: CN0204752277U
Принадлежит:

The utility model discloses a hydrogen is led duolite and is concentrated regenerating unit, including the duolite centralized processing post that is equipped with water inlet and delivery port, regeneration liquid pipeline, just wash pipeline and backwash pipeline, the water inlet is equipped with inlet valve, regeneration liquid pipeline with is just washing the parallelly connected back of pipeline and is passing through the water inlet of inlet valve access duolite centralized processing post, the backwash pipeline is including connecting at regeneration liquid pipeline and backwash inlet tube after just washing the pipeline and the backwash outlet pipe of connection at the water inlet, the delivery port is equipped with the drainage valve, connects in parallel and have the water quality testing pipeline in the both ends of drainage valve, and the lower extreme of duolite centralized processing post still feeds through has the resin to derive the pipeline. Hydrogen is led duolite and ...

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23-07-2014 дата публикации

Clamping device of disc type pre-grinding machine

Номер: CN103934751A
Принадлежит:

A clamping device of a disc type pre-grinding machine comprises a clamping mechanism, a rocker rod, a rocker frame and a pivotal bearing, wherein the clamping mechanism is arranged at one end of the rocker rod, a main rod of the rocker frame penetrates through the other end of the rocker rod and is fixedly connected with a rocker frame main beam, and a rocker frame support fixedly connected with the lower portion of the main beam is connected with the pivotal bearing through a screw. According to the clamping device of the disc type pre-grinding machine, clamping of a sample is achieved by squeezing a thin piece on a clamping head through the inner wall of a clamping sleeve on the clamping mechanism, and the sample makes contact with abrasive paper on a grinding disc by rotating the rocker rod or the rocker frame under the action of the pivotal bearing, so that the grinding work procedure of the sample is achieved. A symmetrical structure design of the clamping device of the disc type pre-grinding ...

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28-11-2007 дата публикации

Method for determining sodium chloride content in phosphate using spectrophotometry

Номер: CN0101078681A
Принадлежит:

The invention discloses a method of measuring sodium chloride content in phosphate by spectrophotometry, which solves the problem that chloride ion in phosphate added in utility boiler can not be controlled effectively so that steam and water quality is deteriorated. It is provided with convenient operation, easy operation and accurately measuring sodium chloride content in phosphate quickly so on. The method is that 0.2% of mixed solution of mercury thiocyanate and methyl alcohol is added in standard solution of chloride ion to generate mercuric chloride and release SCN-; then 0.15mol/L-2.5mol/L of mixed solution of mercury thiocyanate and perchloric acid is added to generate stable jacinth complex compound, of which absorbency A deducting blank absorbency A0, namely A-A0 and the chloride ion content has the smooth curve relation; on the curve linear relation chloride ion content is fetched in the range of 0-1000CI- mu g/L to build the equation of the absorbency (A-A0) and the chloride ...

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