Orthopedic assembly type steel plate screw fixing system

The invention provides an orthopedic assembly type steel plate screw fixing system capable of solving the problems of difficult installation and low flexibility of the steel plate of the orthopedic assembly type steel plate screw fixing system in the prior art. The orthopedic steel plate screw fixing system comprises a steel plate and bone-knitting screws, wherein the bone-knitting screws are assembled in bone-knitting screw holes of the steel plate, and the steel plate is formed by connecting a plurality of split steel plates. Because the steel plate is designed to an assembly type steel plate formed by connecting the plurality of split steel plates, the steel plate can be installed and fixed reasonably and conveniently in orthopedic treatment on larger-area fractures or comminuted fractures and the like.

Dual-fluid channel rotary joint

The invention discloses a dual-fluid channel rotary joint. The dual-fluid channel rotary joint comprises a rotating part 1, a fixing part 2, a baffle ring 4 and a plug, wherein the rotating part 1 and the fixing part 2 are in dynamic seal matching. The dual-fluid channel rotary joint is characterized in that: a dynamic fluid guide channel A and a dynamic fluid guide channel B are reserved on the rotating part 1; the dynamic fluid guide channel A and the dynamic fluid guide channel B are respectively communicated with a dynamic side channel A1 and a dynamic side channel B1 which are arranged radially through communicating channels which are axially arranged independently in parallel; the dynamic side channel A1 and the dynamic side channel B1 are respectively communicated with a static fluid guide channel A2 and a static fluid guide channel B2 reserved on the fixing part 1; seal grooves are respectively reserved between the static fluid guide channel A2 and the static fluid guide channel ...

Formula spraying protective material closing device is inhaled to magnetism

The utility model discloses a formula spraying protective material closing device is inhaled to magnetism, including compression resilient sheet, bolt and magnetic sheet, compression resilient sheet with the magnetic sheet passes through bolted connection will through the nut the magnetic sheet with compression resilient sheet compresses tightly and fixes on the bolt, the magnetic sheet with be provided with the gasket between the compression resilient sheet, the magnetic sheet is close to the bolt head one end, spraying protective material covers at the steel member on the surface, the magnetic sheet passes through spraying protective material adsorbs the steel member surface, compression resilient sheet will the compaction of spraying protective material is in the steel member on the surface. The utility model adopts the above structure formula spraying protective material closing device is inhaled to magnetism, can solve the fixed problem of steel member spraying protective material, ...

Biological freezing point brewing method for peach fermented wine

The invention relates to a fermenting method for the biological freezing point of a peach bee wine, belonging to the technical field of the fruit wine fermentation. Aiming at the characteristics of peaches, the peaches are stored for several days in the freezing point of the peaches so as to induce the addition of the sugar degree and increase the taste of fruit; and the fruit juice before being fermented is conditioned (acidity, enzymolysis and sugar degree are conditioned) so as to cause the fruit juice to reach the optimal state; in particular, the sugar degree is regulated to cause the peach bee wine to reach the alcoholic strength required by liquor products. The peach bee wine is aged in low temperature or the critical point of the biological point of the liquor, has mellow bouquet and fragrant fruity, which causes that the peach bee wine becomes the fruit wine easily accepted by consumers in general.

Method for removing sodium sulfate attached to polyvinyl alcohol nascent fiber

The invention belongs to the technical field of separation, and particularly relates to a method for removing sodium sulfate attached to a polyvinyl alcohol nascent fiber, which comprises the following steps: treating the polyvinyl alcohol nascent fiber from a coagulating bath with hot water of 30-60 DEG C, and then squeezing the fiber. According to the method, sodium sulfate attached to the polyvinyl alcohol nascent fiber can be effectively removed, and cyclic utilization of sodium sulfate can be achieved.

Method for biological freezing point preservation for fruits and the storehouse

一种柿子酒的生产方法

... 本发明涉及一种柿子酒的生产方法，包括下述步骤：①选果、清洗；②脱涩；③破碎，杀菌；④调pH值，添加果胶酶；⑤榨汁；⑥加糖；⑦主发酵；滤渣；⑧低温处理；⑨滤渣、杀菌；⑩陈酿；职装。本发明果胶酶的含量仅为果肉浆总重量0.008-0.1％，既减少了甲醇的生成量，又降低了成本；由于采用果汁发酵，发酵工艺稳定均匀；偏酸的发酵液可以抑制杂菌生长。柿子酒成品富含单宁等多酚物质，具有保健功能，带有柿果果香和酒香。 ...

Cultivation method for preventing damage of successive crop

The invention relates to 'a cultivation method for preventing continuous cropping hazard', and belongs to the agriculture field. The cultivation method for preventing the continuous cropping hazard comprises two steps which are digging a plant hole and planting a plant, and a separation material is laid on the side wall and the bottom of the plant hole for confining plant roots in the plant hole before planting the plant. The root growth and the root field environment of the plant are effectively controlled, which causes the root system to grow in a controlled area in the lifetime and not extend out to pollute other soil, another plant is planted in the nearby pollution-free soil when changing crops, the former cultivation place is vacant, thus achieving the effects of rotating crops in a small range and preventing the continuous cropping hazard. The method has the advantages of less manpower and material investment, strong operability and no environmental pollution, can maintain sustainable ...

Composite sheet of thermoplastic polyester and elastomer and preparation method thereof

The invention discloses a composite sheet of a thermoplastic polyester and an elastomer and a preparation method thereof. The sheet is provided with at least one thermoplastic polyester base layer and at least one elastomer composite layer, and the volume ratio of the base layer to the composite layer is 70-90:30-10. The preparation method comprises the steps that a plurality of thermoplastic polyester plastic extruding machines and elastomer plastic extruding machines are arranged, and the number and relative positions of the plastic extruding machines correspond to the number of layers of and the positions of the composite sheet; after each plastic extruding machine respectively carries out preparations of material batching, mixing, drying, heating and plastifying, the plastic extrudingmachines carry out synchronous extrusion; extruded sheets are co-extruded and molded through a co-extruding mould; and then an obtained sheet is cooled and shaped through a cooling roller. The sheet has ...

Polyvinyl alcohol fiber tow processing device

The invention belongs to the technical field of separation, and particularly relates to a polyvinyl alcohol fiber tow processing device which comprises a conveying roller set. The hot water nozzles are sequentially arranged above a conveying path of the conveying roller set, at least one liquid squeezing roller is arranged behind each hot water nozzle, and the liquid squeezing rollers are located on the conveying path of the conveying roller set; and the liquid receiving disc is arranged below the liquid squeezing roller. The method can significantly reduce the sodium sulfate content of the polyvinyl alcohol fiber tow.

High-strength geogrid

The invention relates to the technical field of geogrids, and provides a high-strength geogrid in order to solve the problem that in the prior art, due to the fact that a geogrid is prone to fracture, a roadbed deforms or fractures, the high-strength geogrid comprises a plurality of rib belt sets, and each rib belt set comprises a plurality of rib belts parallel to one another; the plurality of rib belt groups are arranged in a mutually crossed manner to form a triangular grid; the multiple rib belt sets are made of high-strength vinylon materials, and connecting points are bonded and fixed. The high-strength geogrid disclosed by the invention can prolong the service life of a roadbed, and can also be used for reinforcing a building wall surface, treating wall surface cracks and strengthening the earthquake resistance of a wall body.

Three-dimensional vehicle

The invention relates to a three-dimensional vehicle comprising a longitudinal running mechanism, a lifting mechanism, a telescopic mechanism and an operating control part, wherein the longitudinal running mechanism comprises a running decelerating motor and longitudinal running wheels; the lifting mechanism comprises a lifting decelerating motor, chain wheels, a chain, a bearing seat and guiding running wheels; and the telescopic mechanism comprises a first-level telescopic cylinder, a second-level telescopic cylinder, a cylinder hinge supporting seat and a connecting steel plate. Corresponding buttons on an operating control plate are used for controlling the three-dimensional vehicle so that an operating platform moves forwards, backwards, upwards, downwards, leftwards and rightwards in a three-dimensional direction in a set space.

Composite sheet of polycarbonate and elastomer and preparation method thereof

The invention claims a composite sheet of polycarbonate and elastomer and a preparation method thereof. The sheet is provided with at least one polycarbonate base layer and at least one elastomer composite layer in ratio of 70-90: 30-10 by volume. The preparation process comprises steps as follows: a plurality of polycarbonate plastic extruders and elastomer plastic extruders are provided, and the number and relative positions of the plastic extruders correspond to the layer number and the position of the composite sheet; each plastic extruder prepares materials, mixes, dries, plasticizes by heating and then extrudes synchronously the materials; the materials are coextruded for shaping by a coextrusion mold and then cooled and molded by a cooling roller. The sheet performs well in terms of toughness, transparency and fire resistance; the sheet is aseismatic and anti-slip; and colorful products can be made by adding various color masterbatches in the sheet. The preparation process of the ...

Preparation method of formalized polyvinyl alcohol fiber

The invention relates to a preparation method of formalized polyvinyl alcohol fiber. The preparation method mainly comprises the following steps: adding micro boron-containing compounds to polyvinyl alcohol spinning solution to allow polyvinyl alcohol molecules in the solution to form few intermolecular cross-linking due to the effect of boron, wherein the formation of ultrahigh degree of crystallinity of the fiber in forming, stretching and heat treatment processes is inhibited, the solidification process of the fiber is alleviated, and the structure of the fiber is more uniform; sealing most amorphous hydroxyl through a formolation step, and drying after padding with a solution of the boron-containing compounds to allow the hydroxyls not sealed through formulation in the fiber and boron to form a complexing structure, wherein the alkali-resisting loss ratio of alkali-resisting fiber is smaller than 1%, the alkali-resisting shrinkage ratio of the fiber is smaller than 0.5%, and the alkali-resisting ...

Biological freezing point brewing method for peach fermented wine

The invention relates to a fermenting method for the biological freezing point of a peach bee wine, belonging to the technical field of the fruit wine fermentation. Aiming at the characteristics of peaches, the peaches are stored for several days in the freezing point of the peaches so as to induce the addition of the sugar degree and increase the taste of fruit; and the fruit juice before being fermented is conditioned (acidity, enzymolysis and sugar degree are conditioned) so as to cause the fruit juice to reach the optimal state; in particular, the sugar degree is regulated to cause the peach bee wine to reach the alcoholic strength required by liquor products. The peach bee wine is aged in low temperature or the critical point of the biological point of the liquor, has mellow bouquet and fragrant fruity, which causes that the peach bee wine becomes the fruit wine easily accepted by consumers in general.

Production process of persimmon wine

The invention relates to a manufacturing method for persimmon wine, which includes following steps: 1 choosing fruits and cleaning; 2 eliminating astringent; 3 crunshing and sterilizing; 4 regulatingpH value and adding pectase; 5 extracting; 6 adding sugar; 7 main ferment and filtering; 8 low temperature processing; 9 filtering and sterilizing; 10 ageing; 11 packing. The content of pectase in the invention is only 0.008-0.1% of parchment's weight, it both reduces quantity of carbinol and reduces the costs; Because of using fruit juice to ferment, the ferment craft is stable and even; fermentliquid of partial-acid may restrain growth of mixed germ. Persimmon wine is abundant in material with mush cphenol such as tannin and has sanitarian function, it has the fragrant of persimmon and of wine.

Composite sheet of thermoplastic polyester and elastomer and preparation method thereof

The invention discloses a composite sheet of a thermoplastic polyester and an elastomer and a preparation method thereof. The sheet is provided with at least one thermoplastic polyester base layer and at least one elastomer composite layer, and the volume ratio of the base layer to the composite layer is 70-90:30-10. The preparation method comprises the steps that a plurality of thermoplastic polyester plastic extruding machines and elastomer plastic extruding machines are arranged, and the number and relative positions of the plastic extruding machines correspond to the number of layers of and the positions of the composite sheet; after each plastic extruding machine respectively carries out preparations of material batching, mixing, drying, heating and plastifying, the plastic extruding machines carry out synchronous extrusion; extruded sheets are co-extruded and molded through a co-extruding mould; and then an obtained sheet is cooled and shaped through a cooling roller. The sheet has ...

Method for fruits biological freezing point preservation and the storehouse

The invention relates to a fresh-keeping method and a fresh-keeping storehouse of a biological freezing point for fruits belonging to an agricultural products processing field. The fresh-keeping method of the biological freezing point for the fruits includes the steps: spraying calcium salt in the process of cultivating, sleeving a transparent bag or spreading a reflecting film to improve hardness and sugar degree of the fruits; carrying out rapid cooling before putting in the fresh-keeping storehouse in a pre-cooling room; after putting in the fresh-keeping storehouse, processing with a preservative; then regulating the temperature to a critical point of the freezing point with humidity of over 90%; adopting stage heating after leaving the fresh-keeping storehouse. Preservation period of late maturing peach is prolonged to 3 months; the fruits processed by the steps are fresh as before and the phenomenon such as browning, softening and rotting do not exist. The cost of the supporting fresh-keeping ...

一种柿子脱涩保脆方法

The present invention is persimmon astringency eliminating and crispness keeping method with homogeneous astringency elimination and prolonged crispness keeping period. The technological scheme of the present invention is that the persimmon astringency eliminating and crispness keeping process includes the following steps: coating persimmon with porous freshness keeping film; setting coated persimmon in some airtight space at 20-25 deg.c with CO2 in 80 vol% for 18-48 hr, exhausting CO2 from the airtight space white maintaining the temperature for further 10-24 hr.

Air conditioner with high power-efficiency ratio

The present invention relates to an air-conditioner with high energy efficiency ratio. In its interior a heat pipe type condenser using high-efficiency conductive heat pipe as main body and a pressure limiting device are provided. The heat pipe type condenser is substituted for coiled pipe condenser, so that its heat transmission and radiation capability can be raised. Its radiation rib radiates in global mode. A stable optimum air pressure can be produced by means of pressure-limiting valve, solenoid valve and capillary pipe, and at the same time the pressure-accumulating time in initial stage of compression can be reduced.

Application of reducing oil bath acidity in improving fiber whiteness

The invention belongs to the technical field of synthesis of polymer artificial filaments and analogues by using unsaturated alcohol polymers, and particularly relates to application of reduction of oil bath acidity in improvement of fiber whiteness. The whiteness of the fiber can be improved, so that the product quality is improved.

FULLY AUTOMATIC HIGHWAY TRAFFIC CONTROL METHOD AND SYSTEM