63results about How to "Increase overall volume" patented technology

The invention relates to a preparation method of multi-phase gel foam for controlling the spontaneous combustion of coal. The multi-phase gel foam with multiple components of medium is made by adding a slight amount of thickener into the fly ash or the yellow mud slurry to form thickening mud with certain viscosity, adding certain amount of cross-linking agent and foaming agent into the thickening mud, and introducing nitrogen to carry out the physical and mechanical foaming. The bubble wall of the multi-phase gel foam has high viscosity and good elasticity, the fly ash or yellow mud adhere to the bubble wall, and the bubble is internally covered with nitrogen. The multi-phase gel foam is delivered to the mined-out area through the grouting pipeline of the mine, evenly covers the float coal in the mined-out area, and blocks the fractures of the coal body. The method can effectively hinder the oxygen absorption for goal and prevent the oxidization of the coal. The preparation method is simple, and the prepared multi-phase gel foam has low cost and significant effects on fire prevention and extinguishing; the preparation method does not only have the advantages of mud injection, nitrogen injection, two-phase foam injection, gel injection and composite gel injection on fire prevention and extinguishing, and also overcomes the deficiency, which has wide practicality.

A heat exchanger of a sealed equipment cabinet includes a chassis, a heat-exchange module, a first fan and a second fan. The chassis includes a bottom plate having a plurality of first perforations. The heat-exchange module is disposed on the bottom plate, and defines first and second air flow channels at first and second sides of the bottom plate, respectively. The first fan is disposed on the first side of the bottom plate. The second fan is disposed on the second side of the bottom plate.

The invention discloses a modified metakaolin-based permeation-resistant and crack-resistant agent for concrete. The modified metakaolin-based permeation-resistant and crack-resistant agent for concrete comprises: by mass, 10 to 75% of modified metakaolin, 5 to 40% of fine limestone powder, 4 to 40% of superfine coal ash, 1 to 20% of calcined hydrotalcite, 2 to 40% of fine quartz sand and 0.2 to 20% of solid silane powder. A preparation method of the modified metakaolin comprises the following steps of putting dry and washed kaolin into a bowl mill, carrying out grinding to obtain kaolin powder, carrying out calcination of the kaolin powder at a temperature of 500 to 1000 DEG C for 0.5 to 6.0 hours to obtain metakaolin, putting the metakaolin into a dispersion machine, adding an organic modifier of sulfamate or triethanolamine into the metakaolin, wherein a mass ratio of the metakaolin and the organic modifier is in a range of (5000: 1) to (100: 1), and carrying out dispersion to obtain the modified metakaolin having a contact angle of 50 to 100 degrees and a specific surface area of 8000 to 15000m<2> / kg. The modified metakaolin-based permeation-resistant and crack-resistant agentfor concrete can be utilized as a concrete additive, improves strength of concrete at different ages, does not produce obvious influences on concrete work performances, obviously improves anti-chloride ion penetration capability of concrete, reduces total shrinkage of concrete and improves crack resistance of concrete.

The invention provides a preparation method of a graphene-reinforced aluminum-based composite material. The graphene / aluminum composite material is prepared through the steps of preparing of graphene / aluminum mixed powder through a two-step ball milling method, cold pressing forming of a graphene / aluminum composite material blank, hot squeezing forming and the like. Through a special technologicalmode, graphene is evenly dispersed in aluminum bases, generation of a brittle phase Al4C3 is reduced, and the graphene / aluminum composite material with the high compactness and high volume fraction is obtained finally.

An anode component of a solid oxide fuel cell is formed by combining a relatively coarse yttria-stabilized-zirconium (YSZ) powder, that is substantially composed of elongated particles, with a relatively fine NiO / YSZ or NiO powder of reduced particle size, whereby, upon sintering the combined powders, the coarse YSZ powder forms a microstructural cage of open porosity wherein the fine powder is distributed through the open porosity of the cage. A method of forming a cathode component includes combining a coarse YSZ powder, that is substantially composed of elongated particles, with a fine lanthanum strontium manganite powder of reduced particle size, whereby, upon sintering the combined powders, the coarse YSZ powder forms a microstructural cage of open porosity, wherein the fine powder is distributed through the open porosity of the cage.

A headphone including a headband, an ear cup attached to the headband, a baffle plate fixed to the ear cup and having a rib wall at its periphery, an ear pad engaged with the baffle plate, and a gas permeable buffer between the ear cup and the baffle plate, wherein the buffer and the rib wall prevent a reduction in volume of a front air chamber caused by lateral pressure.

The invention relates to a screening gravel grab bucket. The screening gravel grab bucket comprises a grab bucket, a lower bearing beam, an upper supporting rod, an upper bearing beam, lower supporting rods, a hydraulic cylinder, stirring screening devices and gripper regulating devices; the lower bearing beam is of an inverted U-shaped structure; the lower bearing beam is fixedly connected with the main bucket of the grab bucket; one end of the upper supporting rod is connected with the lower bearing beam by use of a hinge, while the other end of the upper supporting rod is also connected with the upper bearing beam by use of a hinge; the other ends of two lower supporting rods are connected by use of a movable ear seat; one end of the hydraulic cylinder is connected with the movable ear seat, while the other end of the hydraulic cylinder is connected with the upper bearing beam; two stirring screening devices are mounted inside the main bucket of the grab bucket, respectively; two gripper regulating devices are mounted on the front ends of the main buckets of the grab buckets, respectively. The screening gravel grab bucket is capable of removing sediment mixed with gravel by virtue of stirring and screening in the grabbing process, and therefore, the strength of the constructed building can be improved; the gradient of the gripper of the grab bucket is adjustable so that the volume of the gravel grabbed at a time can be increased and the grabbing efficiency can be improved.

The invention belongs to the field of microwave energy application devices, and provides a continuous transmission type quasi non-diffracted wave microwave reactor. The continuous transmission type quasi non-diffracted wave microwave reactor comprises a reaction device, a transmission device, a feeder device and a supporting device; the feeder device comprises a radiator, feed waveguides, a power distribution and phase shifting device, a coaxial transmission line and a microwave source; the microwave source is connected with the input end of the power distribution and phase shifting device through the coaxial transmission line, the output end of the power distribution and phase shifting device is connected with a plurality of the feed waveguides, the feed waveguides penetrate through a metal cavity to be connected with the radiator, the radiator is located right at the lower middle part of the back of the metal cavity, and rectangular radiation mouths which are docked with the feed waveguides and have the same sizes with the feed waveguides are formed in the radiator. The continuous transmission type quasi non-diffracted wave microwave reactor disclosed by the invention adopts a method of using multiple feed ports to feed to generate non-diffracted waves to irradiate reactants, so that the reaction efficiency is improved, the reaction speed is accelerated, the reaction uniformity is enhanced and the energy is saved, and in addition, the continuous transmission type quasi non-diffracted wave microwave reactor is combined with a continuous transmission type production line to be applied to the large-scale industrial production.

Provided are a solvent-free adhesive for a waterproof sheet, a waterproof sheet and a manufacturing method of the waterproof sheet using the solvent-free adhesive, and a construction method using the waterproof sheet. The solvent-free adhesive is manufactured by mixing rubber and tackifier with heated oil in a heat liquefying mixer to form a mixture and thereafter mixing at least one additive with the mixture, wherein the oil is at least one of mineral oil, vegetable oil, and synthetic oil. The solvent-free adhesive is coated on a polymeric synthetic film sheet (e.g., PP, PE, PVC, EVA, and urethane) not having adhesive property.

The invention discloses a non-planar semiconductor structure and a process for the same. The non-planar semiconductor structure comprises a substrate, at least two fin-shaped structures, at least one insulating structure and a plurality of epitaxial layers. The fin-shaped structures are positioned on the substrate. The insulating structures are positioned among the fin-shaped structures and are provided with nitrogenous layers. The epitaxial layers respectively cover parts of the fin-shaped structures and are positioned on the nitrogenous layers.

A method for fabricating a semiconductor device comprises: forming a gate pattern over a silicon active region and an insulating layer, which form a semiconductor substrate; removing the silicon active region exposed between the gate patterns; and filling a space between the gate patterns to form a plug.

A headphone including a headband, an ear cup attached to the headband, a baffle plate fixed to the ear cup and having a rib wall at its periphery, an ear pad engaged with the baffle plate, and a gas permeable buffer between the ear cup and the baffle plate, wherein the buffer and the rib wall prevent a reduction in volume of a front air chamber caused by lateral pressure.

The invention discloses a tobacco strong seedling resistance inducer which is composed of, by mass components, uniconazole, calcium salicylate, diethylaminoethyl hexanoate, sodium nitrophenolate, chitooligosaccharide, Tween, dimethyl sulfoxide, ascorbic acid, prohexadione-calcium, 5-aminolevulinic acid, potassium phosphite, glycine, boric acid, zinc sulfate, copper sulfate, ammonium molybdate, xylitol, and the balance water. By applying the tobacco strong seedling resistance inducer for flue-cured tobacco floating seedling growing production, the low temperature resistance at the seedling stage can be enhanced, the effect of promoting robust growth of tobacco seedlings is achieved, the total root length, the total root surface area, the total root volume of the tobacco seedlings before transplanting are remarkably improved, and the accumulation and root cap ratio of tobacco seedling overground parts and root system dry substances are remarkably improved, the growth of flue-cured tobacco in a field period is promoted, and the tobacco plant biomass and yield and quality after tobacco leaf curing are significantly improved, thereby improving the social and economic benefits of tobaccoproduction.

The invention discloses a continuous conveying type circular waveguide microwave reactor, belonging to the field of microwave energy application devices. According to the continuous conveying type circular waveguide microwave reactor, a reaction cavity is a cylindrical metal cavity and is divided into two parts along the axial direction so as to mount a conveying belt, and the conveying belt is mounted between the two parts and is driven along the axial direction; support rollers and transmission rollers of the conveying belt are arranged outside the cavity, so that microwave interference in the cavity is avoided; a coupling ring is arranged on the top or bottom of the cavity to achieve the purpose of the invention. Therefore, the continuous conveying type circular waveguide microwave reactor is high in reaction efficiency, reaction speed and reaction uniformity, and energy sources are saved; the continuous conveying type circular waveguide microwave reactor can be applied to large-scale industrial production after being combined with a continuous conveying type production line.

The invention discloses a flexible solar wing unfolding mechanism with a high unfolding-folding ratio. The flexible solar wing unfolding mechanism comprises a bottom plate, a shear fork rod assembly, a top plate and a solar blanket assembly; the unfolding mechanism further comprises a driving assembly integrated on the bottom plate; the driving assembly is provided with a driving motor and a transmission gear, and the transmission gear extends to the upper part of the bottom plate; and the driving assembly is in transmission connection with the shear fork rod assembly through the transmission gear and drives the shear fork rod assembly to be unfolded so as to drive the solar blanket assembly to be unfolded. The unfolding mechanism is simple in structure, high in reliability and small in mass; most structural parts in the mechanism are made of spaceflight-grade hard aluminum alloy and carbon fiber composite materials, the mechanical structure is simple and not numerous and jumbled, and the structural parts are subjected to lightweight design improvement on the premise that the strength and vibration requirements are guaranteed; and the unfolding mechanism is low in manufacturing cost and material price, structural parts are simple in structure and convenient to manufacture, the shear fork rod assembly drives the solar blanket assembly to move, and the unfolding mechanism has the advantages of being light in weight, small in folding size, large in unfolding span and high in unfolding and folding ratio.

The invention discloses an air filter of a diesel engine. The air filter comprises a water tank, a gas guide tube, a gas inlet tube, a fan and a filter, wherein a gas inlet, a gas outlet, a water filling hole and a water outlet are formed in the water tank; a gas distributing tube is arranged on the bottom of the water tank; an aeration head is mounted on the gas distributing tube; a pore plate is arranged on a position, above the gas distributing tube, in the water tank; at least two particle filling layers are arranged above the pore plate; one end of the gas guide tube is connected with the gas inlet tube; one end, far from the gas inlet end, of the gas guide tube penetrates through the gas inlet of the water tank, extends into the water tank, and is communicated with the gas distributing tube; a dustproof net is arranged in the gas inlet tube; a dust removal tube and an air inlet are formed in the side wall of the gas inlet tube; center lines of the dust removal tube and the air inlet are arranged on the same straight line; a fan is mounted at the air inlet; the filter is positioned at one side of the water tank; and the filter is connected with the gas outlet of the water tank. According to the air filter, the filter efficiency is greatly improved, so that air entering the diesel engine is kept clean, damages to the diesel engine are avoided, and the service life of the diesel engine is prolonged.

An optical scanner for scanning a document includes a housing, a glass platform, an optical scanning module and a heat dissipating member. The glass platform is disposed on the housing for placing thereon the document to be scanned. The optical scanning module is disposed inside the housing for scanning the document. The heat dissipating member is disposed inside the housing and in contact with a first lateral edge of the glass platform for conducting the heat generated from the optical scanning module to the glass platform such that the heat is then radiated from the glass platform to the outside of the housing.

The disclosure features a human milk cream composition, standardized high fat human milk formulations as well as methods of making and using such compositions. In particular, the disclosure features a method of using a human milk cream composition and / or standardized high fat human milk formulations to treat infants with bronchopulmonary dysplasia (BPD) or at risk of developing BPD.

The invention discloses an energy-saving and emission-reduction synergist for coal. The synergist comprises the following materials by weight: 6-8 parts of yttrium oxide, 8-10 parts of manganese dioxide, 10-15 parts of ferrum dioxide, 10-15 parts of ferrous oxide, 3-5 parts of sodium carbonate, 3-5 parts of potassium nitrate, 2-6 parts of lignosulfonate, 4-10 parts of ammonium bicarbonate, 5-10 parts of potassium carbonate, 6-10 parts of urea, 3-5 parts of active carbons, 2-8 parts of diatomite, and 2-3 parts of activated alumina. The energy-saving and emission-reduction synergist for coal has a good desulfurization effect and a stable desulfurization product, and largely reduces pollutant emission.

The invention discloses a nucleic acid detection kit for six respiratory viruses and a use method. The nucleic acid detection kit for the six respiratory viruses comprises six respiratory virus reaction liquid, positive control liquid and negative control liquid, and the six respiratory virus reaction liquid is freeze-dried powder which is pre-sub-packaged into eight connecting tubes, wherein the six respiratory virus reaction liquid A / B tubes contain a plurality of probes with different fluorescence labels, primers, enzyme mixtures, reinforcing agents, freeze-drying protective agents, 10 * buffer, nucleotide mixtures and the like; whether respiratory syncytial virus, respiratory adenovirus, human metapneumovirus, parainfluenza virus type I, parainfluenza virus type II and parainfluenza virus type III exist or not can be detected in the same reaction system, each of the A / B tubes is provided with an internal reference control, and the internal reference control is a human conserved gene beta-actin fragment marked as ROX; and the internal reference control can display the occurrence of false negative, so that the occurrence of a false negative interpretation result caused by an inhibitor in a sample or misoperation is avoided, and the accuracy of PCR detection is improved.

The invention discloses a multi-stage combustion energy-saving environment-friendly burner, and belongs to the technical field of energy conservation and environmental protection. The burner comprises a burner overhaul cover plate, a combustion air inlet, a heat accumulator, a heat insulation material, a fire-resistant pouring material, a large-hole baffle brick, a high-temperature gas distribution chamber, a natural gas sprayer, a primary air spinning disk, an anchoring nail, a primary air inlet, a first connecting flange, a natural gas inlet, a grille plate, a second connecting flange, a bolt connector and a burner installation positioning plate, the burner overhaul cover plate is fixed on a low-temperature gas distribution chamber through the second connecting flange and the bolt connector, a steel pipe of the combustion air inlet is welded on the low-temperature gas distribution chamber, and the heat accumulator is mounted in a heat accumulation burner box. According to the burner, the advantages of air classifying combustion technique are sufficiently played, NOx generation is effectively restrained by the aid of oxygen-deficient combustion mechanism, and the discharge amount of pollutants such as nitrogen oxide is greatly reduced.

The invention relates to an aluminum cable steel reinforced for a power grid overhead transmission line, wherein the aluminum cable steel reinforced is low in cost, large in current-carrying capacity, good in anti-corrosion performance, high in strength, non-magnetic and low in loss. According to the technical scheme of the invention, the aluminum cable steel reinforced for the power grid overhead transmission line comprises a tensile core body and a conductor. The conductor is composed of a plurality of electrical aluminum conductor wires. The aluminum cable steel reinforced is characterized in that the tensile core body is composed of a plurality of non-magnetic stainless steel wires and the steel wires are twisted into strands. The Mn content in the non-magnetic stainless steel of the non-magnetic stainless steel wires is 10-15%, and the Ni content thereof is smaller than 5%. The N content in the non-magnetic stainless steel of the non-magnetic stainless steel wires is 0.3-0.4%. the aluminum cable steel reinforced for the power grid overhead transmission line is applied to the power engineering field.

An yttrium oxide containing environmental-friendly coal-saving synergist is disclosed. The synergist comprises following raw materials by weight: 10-15 parts of yttrium oxide, 2-5 parts of manganese dioxide, 10-15 parts of iron(II) peroxide, 5-10 parts of ferrous oxide, 1-3 parts of sodium carbonate, 1-5 parts of potassium nitrate, 2-5 parts of lignin sulfonate, 5-10 parts of ammonium hydrogen carbonate, 5-10 parts of urea, 1-5 parts of activated carbon, 1-5 parts of diatomite and 2-5 parts of activated aluminium oxide. The synergist has good sulfur fixing effects, a sulfur fixing product is stable and pollutant emission is greatly reduced.

The invention discloses a gas machine tempering simulation experiment device and a use method. The gas machine tempering simulation experiment device comprises a tempering simulation combustion tube, and the lower middle portion of the tempering simulation combustion tube is vertically communicated with a compensation telescopic air cylinder; the upper part of the tempering simulation combustion tube is connected with an electronic throttle valve sample piece, and an igniter and a first air pressure sensor are distributed in the tempering simulation combustion tube; the left end of the tempering simulation combustion tube is connected with a constant-pressure mixed gas supply assembly; a reciprocating plunger, a sliding block, a connecting rod and an adjustable driving rotary disc crank assembly are distributed in the compensation telescopic air cylinder. The device and the method have the advantages that the pressure peak value can be set, the detection result is accurate, the test repeatability is good, and the reliability is high.

An optical scanning module includes a housing, a light source and a first heat-dissipating sheet. The light source is disposed inside the housing for emitting a source light to be projected onto the object. The light source includes an electrode wrapped by an electric-insulating and heat-conducting rubber. The first heat-dissipating sheet is arranged on a surface of the housing and in contact with the electric-insulating and heat-conducting rubber.

The invention provides an immune cell culture device. The device is used for adherent culture of cells and comprises a bottom plate, a culture mechanism, a culture solution supplementing mechanism anda control panel, and the culture mechanism comprises a fixed box, a movable box, infrared geminate transistors and a volume expanding mechanism. After a culture solution is injected into the fixed box through the culture solution supplementing mechanism, adherent culture of cells is carried out, when the cells grow and cover the infrared geminate transistors on the inner wall of the fixed box, propagation of infrared light is cut off, the control panel controls the volume expanding mechanism to push a moving box outwards for a certain distance, so that the volume of a box body formed by the fixed box and the moving box is increased, the superficial area for cell culture is increased, the density of cell culture is improved, manual monitoring is not needed, and the use of manpower is reduced.

A gel pen based on solar illumination solves the problems that a pen refill of an existing gel pen is too small in capacity, the pen refill capacity increasing manner is singular, and the existing gel pen is not provided with a built-in auxiliary light source under the condition that brightness is low. The gel pen based on solar illumination is mainly characterized in that a pen refill is spiral, the length of the pen refill can be increased through the spiral shape, and therefore the capacity and the volume are increased; a pen tail is composed of a small cylinder and a spherical solar cell, and the small cylinder is a carrier of the spherical solar cell; the spherical solar cell of the pen tail is connected to the position of a switch of a pen body and then connected to an LED lamp at the position of a conical pen point through conductive silver adhesives, and when a miniature button is pressed, the spherical solar cell achieves conversion from optical energy to electric energy, and the annular LED lamp can be brightened up; the pen point is rotationally connected with the pen body, and the small cylinder of the pen tail is also rotationally connected with the pen body; and when the pen is not used, a pen cap is installed on the pen, the pen refill is protected through a rubber groove, and the annular solar cell can be charged and store electricity.