892results about How to "Inhibit entry" patented technology

The invention discloses an agricultural product supply chain traceability system based on the internet of things and a block chain. The system comprises an internet-of-things module for carrying out unified standard collection on body information and activity information corresponding to an agricultural product at all links of an agricultural product supply chain, a checking module for packaging the body information and activity information, collected by the internet-of-things module, of the agricultural product into blocks and carrying out information effectiveness verification, a block chain module for storing blocks with successful verification by the checking module, and a tracing module being connected with the block chain module and being used for information tracing. During the information collection process, data exchange and understanding of all links of a supply chain are realized conveniently by using a unified standard. The block chain module stores related data information of the agricultural product, so that the system becomes a decentration platform; and thus modification of the traceability system data is not affected by tampering of tracing information by any link of the supply chain, so that a tracing objective is achieved. Therefore, data security and reliability of the overall network of the agricultural product supply chain can be guaranteed.

The invention relates to a cup-shaped prosthesis shaft consisting of an air-tight and essentially rigid material comprising a sealing means for protecting against the entry of air from the proximal open side, said shaft being used in prostheses for replacing limbs. The inside of the shaft is provided with at least one pump device such that relative movements between the stump and the shaft during the use of the prosthesis pump air out of the inside of the prosthesis shaft via flow channels and monoway valves to the outside of the prosthesis shaft. The pump action is obtained by varying the volume of a compartment formed from flexible or elastic films, said compartment being arranged adjacently to the strump in the main extension thereof. The compartment is either fixed to the inner wall of a rigid prosthesis shaft, or built into the wall of a flexible and elastic removable stump coating which is arranged, as part of the prosthesis shaft, between the stump and a rigid frame.

The invention discloses a high-performance polycarboxylate water reducing agent. The polycarboxylate water reducing agent has a structural general formula shown as a structural formula (I). The invention further provides a preparation method of the high-performance polycarboxylate water reducing agent. Apart from a polyether macromonomer and an unsaturated carboxylic acid monomer, an unsaturated phosphate monomer is added to obtain a product, namely, the high-performance polycarboxylate water reducing agent having a phosphate structure. The polycarboxylate water reducing agent disclosed by the invention is safe and simple in preparation process, environmentally friendly, low in energy consumption, low in cost, and suitable for industrial large-scale production. In the structural formula (I), R1 is -H, -COO- or -CH2COO-; R2 is -H or -CH3; R3 is -H or -CH3; R4 is -H or -CH3; R5 is -H or -CH3; R6 is -CH2- or -CH2CH2-; X, Y, Z and n are integers; X=1-100; Y=1-100; Z=1-100; and n=22-53.

The present invention provides a water-proof sound-transmitting membrane including a polytetrafluoroethylene (PTFE) porous membrane, in which the waterproofness is enhanced further with little lowering of the sound transmittance. The water-proof sound-transmitting membrane includes the PTFE porous membrane. The PTFE porous membrane includes a first porous layer, and a second porous layer stacked on and integrated with the first porous layer by a binding force acting between PTFE matrices. The first porous layer and the second porous layer each are composed of PTFE with a number-average molecular weight of 5.0×107 or more determined by a standard specific gravity method. At least one layer selected from the first porous layer and the second porous layer has an average pore diameter of 1 μm or less. The water-proof sound-transmitting membrane has a surface density of 1 g / m2 to 10 g / m2.

An apparatus is disclosed for capturing and converting wind energy to electrical energy. The apparatus includes a tower member arranged in the form of an elongated conduit having first and second end portions. A wind collector is provided and is associated with the conduit first end portion. The wind collector has an air inlet to capture environmental wind originating from one or more directions and then deflect the captured wind into the conduit to create an axial airflow therein. Finally, a wind turbine device is disposed at the conduit second end portion for receiving the airflow from the conduit in order to generate electricity therefrom.

The present invention belongs to a building mortar, and particularly relates to a mortar for concrete base surface repair, and a preparation method thereof. The mortar comprises the following raw materials by mass: 20-80 parts of silicate cement, 20-100 parts of sulphoaluminate cement, 80-190 parts of aggregate, 40-100 parts of a mineral admixture, 30-80 parts of an aqueous epoxy emulsion, 0.2-0.5 part of cellulose ether, 0.1-0.5 part of anti-cracking fibers, and 20-85 parts of water. The mortar of the present invention has characteristics of strong adhesion, excellent cracking resistance, excellent compression resistance, high bonding strength, and low price.

The invention provides a broad spectrum heavy metal activity deactivator preparation method. The present invention relates to a soil conditioning agent preparation method, which comprises the following steps: (A) taking humic acid-rich peat, digest compost or a forest soil humus layer, and carrying out screening to provide a spare use; (B) adding the humic acid-rich material to HCl or HNO3 to soak, and stirring 2-3 times; (C) filtering the soaked material with a bamboo drying pad, washing 2-3 times with clear water, and carrying out air drying to a moisture content of less than 5%; (D) sequentially adding ZnSO4.7H2O, sodium silicate and sodium selenite to the material obtained from the step (C), carrying out aging on the mixed material for 2-3 days and uniformly mixing; and (E) adding limestone powder to the material obtained from the step (D), and completely and uniformly mixing to prepare the broad spectrum heavy metal deactivator. With the combination inhibitor prepared by the preparation method, activities of soil heavy metals can be significantly inactivated, the heavy metals can be inhibited from entering the food chain, and risks on human health by the heavy metals can be reduced.

A pouring spout for a liquid container, the pouring spout including a pliable plastic sheet defining one side of the pouring spout and freely movable towards and away from an opposite side of the pouring spout to close and open the pouring spout for dispensing liquid therethrough. The pliable plastic sheet is dimensioned such that when liquid is not being dispensed from the pouring spout, the pliable plastic sheet moves towards and into contact with the opposite surface and adheres thereto by surface tension to produce a self-sealing action with respect to the pouring spout.

The present invention relates to a liquid supply system and a liquid consumption apparatus with the same, which can inhibit the dust form entering from the inlet in the process of supplementing liquid, without enabling the operation of supplementing the liquid from the inlet of a liquid container. The position of the upper portion of one side of the liquid container is provided with an inlet with the opening arranged towards the horizontal direction, and when the liquid is supplemented, the inlet is arranged upwards to lay the liquid container on one side thereof. Further, a cover component for covering on the inlet is arranged, the cover component is located at the upper side of the liquid container in the state that the liquid container is arranged on one side thereof, the position of one side opposite to the side provided with the ink inlet, of the cover component is supported by a shaft. Therefore, dust is difficult to accumulate near the inlet, thereby preventing the dust from entering from the inlet in the process of supplementing the liquid. Additionally, in the state that the liquid container is arranged on one side thereof, the cover plate can rotate towards the direction far away from the liquid container, thereby easily performing the operation of supplementing liquid.

The package has a base body (51) with a mounting portion for mounting a light-emitting unit. A frame body is joined to an outer edge of the body (51) to surround the portion. A wiring conductor has its one end formed on an upper surface of the base body, to electrically connect an electrode of the light emitting unit. The light transmitting unit (53) is inside the frame body to cover the light emitting unit. - Independent claims are also included for the following: - (A) a light-emitting apparatus comprising a package for housing a light emitting unit - (B) an illumination apparatus constructed by setting up a light-emitting apparatus in a predetermined arrangement.

The invention discloses a device and a method for monitoring coal quality; the device comprises a system control module, a coal-carrying vehicle RFID vehicle number automatic identification device, and a sampling sample-preparing chemical examination device; the sampling sample-preparing chemical examination device is a device for integrated continuous process operations of sampling, sample preparation, and chemical examination. The method comprises the following steps: when a coal-carrying vehicle enters a factory, performing vehicle coal-carrying information input before sampling, performing vehicle-arrival sampling, performing vehicle sampling by a mechanical sampler, allowing residual coal in the mechanical sampler to enter a coal quality on-line rapid monitoring analyzing device, performing coal quality on-line rapid monitoring analysis, and displaying monitoring results. The excellent effects of the invention are that: unqualified coal is thoroughly prevented from entering the factory; qualified coal is stored by stacks based on the quality; the coal is blended by the coal entering the factory; the results of laboratory experiment are monitored; disputes between enterprises and coal suppliers are reduced; the qualified rate of the coal entering the factory is reduced from 75% to 0%.

Disclosed herein is a reactor plate which prevents the entry of foreign matter from the outside and the pollution of a surrounding environment. A reactor plate (1) includes a reaction well (5), a reaction well channel connected to the reaction well (5), and reaction well air vent channels (19) and (21) connected to the reaction well (5). The reaction well channel has a main channel (13), a metering channel (15) branched off the main channel (13), and an injection channel (17) of which one end is connected to the metering channel (15) and the other end is connected to the reaction well (5). The main channel (13) and the reaction well air vent channel (21) can be hermetically sealed. The injection channel (17) is formed narrower than the metering channel (15) not so as to allow the passage of a liquid at a liquid introduction pressure applied to introduce the liquid into the main channel (13) and the metering channel (15) and at a purge pressure applied to purge the liquid from the main channel (13) but so as to allow the passage of the liquid at a pressure higher than the liquid introduction pressure and the purge pressure.

The invention discloses a grain condition detecting rod which comprises a hollow insect attracting pipe and a conical head; the upper end of the insect attracting pipe is provided with a plug; the pipe wall of the insect attracting pipe is provided with an insect attracting opening; and an insect collecting device is provided between the insect attracting pipe and the conical head. the insect attracting pipe is connected with the conical head; the insect collecting device comprises an insect collector which is hollow at the upper part and is provided with a groove that forms an insect collecting space; the hollow part at the upper part of the insect collector is communicated with the insect collecting space; the insect collecting space is connected with an insect drawing pipe which penetrates the plug, the insect attracting pipe and the insect collector; and the lower end of the insect drawing pipe is communicated with the insect collecting space. As the grain condition detecting rod is provided with an insect collecting device, a negative pressure environment which facilitates the drawing is easily formed when the insect that comes into the insect collecting device is drawn thereby quickly drawing the insect out. An independent insect collecting space is provided in the insect collector, and the forming of drawing negative pressure environment is furthermore ensured, and therefore the non-stop and quick drawing-out of insect in drawing can be ensured.

The invention discloses a silsesquioxane cross-linked silicon nitrogen phosphor synergic anti-flaming water-borne epoxy resin and a preparation method thereof. The water-borne epoxy resin is prepared from 40-80wt% of epoxy resin base stock, 2-12wt% of silicon nitrogen phosphor containing silsesquioxane epoxy resin curing agent, 0.5-2wt% of curing accelerator, 5-20wt% of foaming agent, 5-20wt% of charring agent, 3-20% of charring catalyst, 2-12wt% of pigment filler and 0.1-2.5wt% of flatting agent, and the sum of the content of the components is 100%. According to the invention, the silicon nitrogen phosphor containing silsesquioxane epoxy resin curing agent is taken as a curing agent and is synergic with the charring agent, the foaming agent and the charring catalyst so as to obviously improve the flame retardant property of the water-borne epoxy resin; the acquired water-borne epoxy resin has high bonding force with the metal surface, has high heat resistance and has an oxygen index of above 32; the preparation method is simple, safe and low-cost; the water-borne epoxy resin has an excellent application prospect.

The invention belongs to the field of continuous casting of iron and steel, and particularly relates to a method for controlling steel ladle tapping slag by blowing argon gas to an annular steel outlet in the bottom of a steel ladle. According to the method, annular purging plug bricks with the air permeability width of 50-300 mm are arranged around the steel outlet in the bottom of the steel ladle; in the steel ladle pouring process, when the height of a molten steel pouring liquid surface in the steel ladle is 150-400 mm, the argon gas blowing pressure is controlled to be 0.2-0.7MPa, so that the argon gas is blown into liquid steel through the annular purging plug bricks, and the steel ladle tapping slag is inhibited. The method can effectively inhibit the tapping slag caused due to conflux vortexes and drainage sunk pits in the steel ladle pouring process, and the yield of the liquid steel is further increased.

The invention discloses heavy oil thermal recovery method using foamed gel to inhibit bottom water coning and belongs to the technical field of oilfield exploitation and oilfield chemistry. The method includes the steps of firstly, injecting nitrogen into a producing well to form a front nitrogen slug when the period comprehensive water content of the producing well is larger than 90%; secondly, injecting a mixed system of nitrogen and a foamed gel solution to form a nitrogen-foamed gel main slug; thirdly, injecting nitrogen into the producing well to form a replacing nitrogen slug; fourthly, injecting steam, wherein the front nitrogen slug can push water of a shaft and a stratum in an area near the well to an oil layer and balance stratum pressure, the nitrogen-foamed gel main slug can effectively inhibit bottom water invasion, and the replacing nitrogen slug can replace a foamed gel blocking agent in a screen pipe and an area in near the shaft to prevent the blocking agent from solidifying near the shaft and blocking a steam injecting pipeline and an oil extraction pipeline. By the method, bottom water coning speed can be reduced, steam wave coefficient and utilization rate can be increased, and oil reservoir exploitation effect can be improved.

The invention discloses an alumina making method at raw material of coal gangue, which comprises the following steps: grinding the coal gangue; leaching the coal gangue through sodium hydroxide solution after sintering at high temperature; filtering the residual; producing Al (OH) 3 deposition the residual through carbon dioxide; dewatering Al (OH) 3 to produce Al2O3 at high temperature. The procedure is easy to control to recycle the technological waste water, which realizes zero drainage of industrial production.

The present invention provides a water-proof sound-transmitting membrane including a polytetrafluoroethylene (PTFE) porous membrane, in which the waterproofness is enhanced further with little lowering of the sound transmittance. The water-proof sound-transmitting membrane includes the PTFE porous membrane. The PTFE porous membrane includes a first porous layer, and a second porous layer stacked on and integrated with the first porous layer by a binding force acting between PTFE matrices. The first porous layer and the second porous layer each are composed of PTFE with a number-average molecular weight of 5.0×107 or more determined by a standard specific gravity method. At least one layer selected from the first porous layer and the second porous layer has an average pore diameter of 1 μm or less. The water-proof sound-transmitting membrane has a surface density of 1 g / m2 to 10 g / m2.

The invention provides a grille for a radiator cover having a front end with a pair of air intake apertures formed therewithin, and a pair of bezel frames each fastened to such radiator cover adjacent a respective one of such pair of air intake apertures, each bezel frame having an aperture exposing such respective air intake aperture. The grille includes a unitary elongated member having each of a predetermined size and a predetermined shape and a paper-thin like peripheral edge surrounding the unitary member. The member is caged between the bezel frame and the front end of the radiator cover. A plurality of apertures are formed in the unitary member for enabling air flow and for preventing entry of a detrimental extraneous foreign material into each air intake opening.

The invention relates to a method for manufacturing a wheat germ oil microcapsule. The method comprises the following steps of preparing wall material phases, blending an emulsifier and preparing a core material phase, mixing, pre-emulsifying, homogenizing, spray-drying and the like. The encapsulation efficiency of a wheat germ oil microcapsule product prepared by the method disclosed by the invention is as high as 80-86%, and a surface oil content of the wheat germ oil microcapsule product is 14.5-19.1%; functional active ingredients of wheat germ oil are greatly kept, oxidation stability is strengthened, odor smell of the wheat germ oil is covered, and quality of products is improved; simultaneously, According to the method disclosed by the invention, the wheat germ oil is changed from liquid to more stable solid, thus the solid wheat germ oil is convenient to store and transport, and is more probably produced in various product forms; in addition, the application range is extended and varying requirements of consumers are met.

The present invention provides monoclonal antibodies, or antigen-binding fragments thereof, that bind to Ebola virus glycoproteins, pharmaceutical compositions comprising the antibodies and methods of use. The antibodies of the invention are useful for inhibiting or neutralizing Ebola virus activity, thus providing a means of treating or preventing Ebola virus infection in humans. In some embodiments, the invention provides for use of one or more antibodies that bind to the Ebola virus for preventing viral attachment and / or entry into host cells. The antibodies of the invention may be used prophylactically or therapeutically and may be used alone or in combination with one or more other anti-viral agents or vaccines.

The dripping of washing liquid and the infiltration of washing liquid from a nozzle surface of a head when the nozzle surface is wiped is suppressed and discharge stability is improved. A wiping unit (100) includes a conveying portion (110) for conveying a wiping web (112), a washing liquid supplying portion (140) for supplying washing liquid to the wiping web, and a washing liquid collecting portion (150) for collecting washing liquid from the wiping web to which washing liquid has been supplied. After washing liquid is supplied to the wiping web, which is conveyed by the conveying portion, at washing liquid supplying portion, surplus washing liquid is collected from the wiping web at the washing liquid collecting portion. The wiping web from which washing liquid has been collected is wound on a pressure roller (122) and comes into press contact with the nozzle surface of the head, thereby wiping web wipes and cleans the nozzle surface.

The invention relates to weight-losing soft capsules, which comprise soft capsule bodies and a capsule content, and are characterized by being prepared by the following steps: weighing the content including 60 to 80 weight percent of conjugated linoleic acid, 5 to 15 percent of L-carnitine, 5 to 15 percent of green tea extract, 1 to 10 percent of konjaku flour, 1 to 10 percent of blueberry extract, uniformly stirring, grinding, and degassing; weighing gelatin, water and glycerol according to a ratio of 100:100:40, heating to dissolve the material, and degassing to obtain capsule body filtrate; and delivering the capsule body filtrate and the content to a pelleting press to make pellets, sizing, drying, washing pellets, sorting and packaging to obtain the finished product. The konjaku flour, blueberry extract, conjugated linoleic acid, L-carnitine and green tea extract, which are selected in the invention, act together to achieve an optimal weight-losing effect. The dose is scientific, and the weight-losing soft capsules have health-care effects; and the preparation method is reasonable in process and high in operability and makes large-scale production easy.

The invention discloses a silicon-nitrogen-phosphate coordinating flame retardant epoxy resin powder coating suitable for a steel tube and a preparation method of the silicon-nitrogen-phosphate coordinating flame retardant epoxy resin powder coating. The silicon-nitrogen-phosphate coordinating flame retardant epoxy resin powder coating is prepared from the following components in percentage by weight: 30-80wt% of a silicon-phosphate modified epoxy resin base material, 2-10wt% of an epoxy resin curing agent containing silicon and nitrogen, 5-15wt% of a charring agent, 5-20wt% of a foaming agent, 5-20wt% of a char forming catalyst, 0.5-2wt% of a curing accelerator, 2-10wt% of pigments and fillers and 0.1-2wt% of a flow agent and is prepared by the following steps: sequentially modifying an epoxy resin base material by organic silicon and phosphorus, and then mixing the modified epoxy resin, the epoxy resin curing agent containing silicon and nitrogen, the charring agent, the foaming agent, the char forming catalyst, the curing accelerator, the pigments and the fillers and the flow agent, wherein the oxygen index of the epoxy resin after modification and curing is higher than 33. The silicon-nitrogen-phosphate coordinating flame retardant epoxy resin powder coating is sprayed on a preheated steel tube by adopting an electrostatic spraying method, and the fire-resistant time at the high temperature of 800-1000 DEG C is longer than 2h.

A filter is annularly attached around a peripheral wall of a housing. The filter is composed of a filtering element that covers a fluid passage for inhibiting foreign objects from entering, a supporting portion for supporting the filtering element, and a connecting portion for connecting between both ends of the supporting portion. The connecting portion is narrower than the supporting portion. The filter is movable radially in two directions according to a clearance between the filter and the housing. A contact portion is formed, with being able to be slid within a movable range of the filter, between an outer surface portion of the peripheral wall that surrounds an opening of the fluid passage and an inner surface portion of the filter that surrounds the filtering element.

The invention belongs to the technical field of polymer-metal functional composite material preparation, and relates to a preparation method of polymer-rare earth ion luminous micelles. An amphipathy two-block AB type copolymer or a three-block ABA type copolymer is selected to serve as a first ligand, and molecular weight of each block and total molecular weight of a segmented copolymer are respectively determined through a testing method of nuclear magnetic resonance spectra and a gel permeation chromatography; oxide of rare earth element is contained in a beaker, excessive hydrochloric acid is added for stirring until the oxide is completely dissolved; then the beaker is placed in a water bath until liquid in the beaker is dried to obtain trivalent rare earth chloride crystals; and a polymer solution and a rare earth ion solution are mixed in proportion, organic conjugation micromolecules are added to serve as a second ligand, the polymer solution, the rare earth ion solution and the organic conjugation micromolecules are evenly mixed to be placed in a reaction vessel, and condensation backflow is carried out at a constant temperature to enable the copolymer and rare earth ions to conduct a complexing reaction to obtain the polymer-rare earth ion luminous micelles. The preparation method is simple in process, reliable in principle, strong in operability and stable in product structure.

The invention relates to intelligent blocking water-based drilling fluid. The intelligent blocking water-based drilling fluid comprises, by weight, 100 parts of seawater or fresh water, 1 part to 5 parts of sodium bentonite, 0.2 part to 1 part of pH regulating agent, 0.5 part to 2 parts of fluid loss agent, 0.1 part to 0.6 part of flow pattern regulating agent, 5 parts to 25 parts of water activity regulating agent, 1 part to 4 parts of blocking agent, 1 part to 4 parts of blocking anti-collapse agent, 1 part to 3 parts of shale inhibiting agent and 0.2 part to 1 part of shale encapsulating agent. The intelligent blocking water-based drilling fluid can flow into a stratum along with filter liquor and can be intelligently matched with cracks and holes in shape when encountering stratum water to fill space and be cemented with stratum matrixes, a compact and firm integral structure can be formed, the porosity and the permeability can be reduced, and further invading of the filter liquor can be prevented; meanwhile, the strength of the stratum can be improved, and the stratum stability losing problem can be solved; in addition, compared with oil-based drilling fluid, the intelligent blocking water-based drilling fluid is more environmentally friendly and lower in cost.

The invention relates to anti-corrosion building concrete. The anti-corrosion building concrete comprises cement and an admixture, and further comprises a preservative and a dispersing agent, wherein the preservative mainly comprises aluminum silicate and barium hydroxide; the dispersing agent is mainly silica fume; the preservative is 10%-15% of the total weight of the concrete; the dispersing agent is 10%-15% of the total weight of the concrete. The anti-corrosion building concrete disclosed by the invention has good anti-corrosion anti-erosion performances; the dispersing agent which is composed of methyl cellulose and silica fume can be used for uniformly dispersing the preservative, so that the anti-corrosion effect of the preservative can be brought into player better; isobutyl triethoxy silane is penetrated into the concrete to generate chemical reaction with air exposed in an acid or alkali environment as well as water molecules in a substrate, so that a water-repellent treatment layer is formed, and therefore, the water is restrained from entering the substrate.