Application of luffa vegetable sponge serving as additive in cosmetics

The invention relates to an application of luffa vegetable sponge serving as an additive in cosmetics, belonging to the application of a natural high molecular material in the daily chemical field. The method comprises the following steps: crushing natural luffas into a certain specification, adding to the cosmetics, and uniformly dispersing. After being added with the luffa vegetable sponge, the cosmetics has better cosmetic effects of cuticle removal, blood circulation promotion, skin moistening, wrinkle removal, white and tender keeping of skin and the like. The product has wide material source, is mainly prepared from pure natural plants, is safe and environment-friendly, and has no toxic or side effect to human bodies.

Battery side heat dissipation module

The utility model discloses a battery side heat dissipation module, including electric mandrel group, electricity mandrel group includes a plurality of monomers electricity core, and monomer electricity core is arranged for range upon range of formula, still includes liquid cold die piece, and liquid cold die piece includes liquid cooling board, liquid cooling pipe assembly, cold liquid import, and the hydrothermal solution exports, electric mandrel group is pressed close to to liquid cooling intralamellar part cavity, one side, and both ends communicate with cold liquid import, hydrothermal solution export respectively, the liquid cooling pipe assembly includes a plurality of liquid cooling pipes, and the liquid cooling pipe inserts between the monomer electricity core adjacent in the electric mandrel group, and hugs closely the side of two adjacent monomers electricity cores, and liquid cooling pipe both ends are fixed in the liquid cooling board and are pressed close to electric mandrel ...

Method for preparing etherification luffa and application of it in metallic ion adsorption

The present invention provides a etherifying luffa method and an application in the metal ion adsorption, belonging to natural high polymer material modification or wastewater disposal technical field. The method is mixing the natural luffa with m moderate NaOH alcohol solution, alkalization under the temperature 25-80 Celsius degree, or alkalization by microwave interval radiation, then obtaining alkalization luffa by reflowing, washing, filtering, drying in the thermostatic waterbath; the etherifying luffa is obtained by dispersing with NaOH solution, reacting with the chloroacetic acid alcoholic solution, filtering, washing, drying. The luffa comes from variety of natural resources, and biodegradation, and treating process is relatively simple, partly substituting high molecular synthetic material in aspect of the sewage treatment, and having advantages such as friendly to the environment.

Electric automobile liquid cooling battery module

The utility model discloses an electric automobile liquid cooling battery module, including electric mandrel group, electricity mandrel group is including a M N monomer electricity core, M, the integer of N for being more than or equal to are arranged to a MN monomer electricity core for M is listed as the capable range upon range of formula of N, still including built -in liquid cold die piece, built -in liquid cold die piece is including built -in liquid cooling board, liquid cooling pipe assembly, cold liquid import and hydrothermal solution export, built -in liquid cooling intralamellar part cavity is installed and is itemized between the electric core of the body in adjacent two, cold liquid import and hydrothermal solution export are installed in built -in liquid cooling board both ends respectively and are communicate with built -in liquid cooling intralamellar part, cold liquid import and hydrothermal solution export are carry over the battery heat out of inside flowing through ...

Turboprop engine test workshop

The invention relates to the technical field of turboprop engines, in particular to a turboprop engine test workshop. A turboprop engine test workshop comprises a workshop, a rack is arranged in the workshop, a turboprop engine is placed on the rack, and a propeller is arranged at one end of the turboprop engine; the flow guide device is arranged in the plant and located at one end of the propeller, the flow guide device comprises a walking mechanism and a flow guide ring, the flow guide ring is arranged on the walking mechanism, the propeller is arranged at an outlet of the flow guide ring, and idler wheels used for moving are arranged at the bottom of the walking mechanism. By arranging the flow guide ring on the walking mechanism and arranging the rollers at the bottom of the walking mechanism, the flow guide ring can move back and forth, and the mutual position relation between the flow guide ring and the propeller can be adjusted, so that turboprop engine propellers of different models ...

Noble metal decorated nanometer ZnS/polyaniline composite photocatalyst and preparation method thereof

The invention discloses a method for preparing a noble metal (palladiumpalladium, platinum, silver or gold) decorated nanometer ZnS/polyaniline composite photocatalyst, belonging to the technical field of chemical preparations. The method is characterized in that the photocatalyst is obtained through depositing the noble metals on the surface of the nanometer ZnS/polyaniline composite photocatalyst, and comprises the following steps of: (1) introducing a sulfur source by using a compound of conductive polymer polyaniline and Zn2+ as a matrix and using a coordination coordination conversion method to convert Zn2+ into sulfur-enriched nanometer ZnS among polyaniline links to prepare a composite system of the sulfur-enriched nanometer ZnS/polyaniline; and (2) reacting a noble metal ion with excessive S2-in the composite system of the sulfur-enriched nanometer ZnS/polyaniline to prepare the noble metal decorated nanometer ZnS/polyaniline composite photocatalyst by means of chemical deposition ...

Method for preparing PC-g-PMMA grafted copolymer by adopting electron beam irradiation method

The invention relates to a method for preparing a PC-g-PMMA grafted copolymer by adopting an electron beam irradiation method. The method comprises the following steps of: carrying out a grafted reaction on a PC sample and an MMA monomer after the PC sample is subjected to the electron beam pre-irradiation under the conditions of a certain solvent and oxidation-reduction catalysts, carrying out suction filtration, washing and drying to obtain a product. The PC-g-PMMA grafted copolymer has excellent performances and can be used as a bulking agent of a PC/PMMA blending system. The electron beam irradiation grafted method adopted in an experiment has the characteristics of high efficiency, simple and convenient process, easy control and the like as well as favorable development prospect.

Shooting crossing machine capable of being disassembled quickly

The invention relates to a quick-release shooting type crossing machine which comprises a machine body, a machine shell, a battery pack, a camera assembly and a control box, rotor wings are installed at the four corners of the machine body in a one-to-one correspondence mode, the machine shell is detachably installed below the machine body, protection rings are arranged at the positions, corresponding to the rotor wings, of the four corners of the machine shell, and a clamping base is arranged above the machine body. The battery pack is detachably connected with the machine body through a clamping seat, the camera assembly is connected with the machine body through a bolt, the camera assembly and the battery pack are arranged side by side, and the control box is installed between the machine body and the machine shell and electrically connected with the battery pack and the camera assembly. The whole machine designed by the invention adopts a modular design, has few parts, is very convenient ...

Photocatalysis gas measuring system gas volume change tracking apparatus

The invention relates to a tracking device for variation of gas volume in a photocatalysis gas measuring system, which is composed of a tee, a graduated glass tube, a liquid reservoir, a glass tube and a latex tube. A bottom outlet of the liquid reservoir is communicated with a lower port of the graduated glass tube through the latex tube, and the upper port of the graduated glass tube is communicated with two connections via the latex tube and the tee, wherein one connection is connected with a device with a measurer and the other connection is connected with an initial gas supply system. The device is capable of real-time tracking light-catalyzed reaction, understanding the variation condition of the activity of catalyst, and accurately understanding the variation condition of reactant along with the reaction time by real-time obtaining gas phase samples for analyzing. The tracking device is simple in structure and easy in construction, and can be applied to the field of tacking and measurement ...

Well mouth eccentric pressurizing sleeve oil recycling mobile device of production well

A well mouth eccentric pressurizing sleeve oil recycling mobile device of a production well is mainly composed of an articulated vehicle, an oil receiving can, an oil receiving pipe, an air compressor, an oil discharge valve, a gas pipe, an eccentric hanging mechanism, an oil return pipe and a check valve, the well mouth eccentric pressurizing sleeve oil receiving mobile device is characterized in that a production three-way flange at an upper part of a production tree is designed to be the eccentric hanging mechanism composed of an inlet air pipe hanging hole, an inlet air pipe hanging head installed at middle part of the inlet air pipe hanging hole, a gasket installed at an upper-middle part, a gas pipe connector having the check valve at the upper part and a connection hole installed at one side of the inlet air pipe hanging hole and integrated with a production three-way connection and the oil pipe hanging hole; the inlet air pipe hanging head is connected with an inlet air pipe extending ...

Polyamide composite material with high thermal conductivity and high heat resistance and preparation method thereof

The invention relates to a polyamide composite material with high thermal conductivity and high heat resistance and a preparation method thereof. The composite material comprises the following components in percentage by mass: 20%-50% of matrix resin, 40%-65% of composite heat-conducting fillers, 4%-12% of a halogen-free flame retardant, 0.5%-2% of a coupling agent, 0.2-1% of an antioxidant and 0.2%-1% of a lubricating dispersant. PA46 resin with a symmetrical molecular chain structure and high crystallinity is taken as the matrix resin; different heat-conducting fillers with different shapes and particle sizes are added to be overlapped between the heat-conducting fillers; and meanwhile, a small amount of flame retardant is added, so that the polyamide composite material disclosed by the invention has excellent heat-conducting property, flame retardant property and insulating property, and meets the operating requirements of electronic and electrical appliances, is high in design freedom ...

Photocatalysis shielding heat radiating device

The invention relates to a photo-catalytic shielding heat dissipating device, comprising a light shielding box body which can contain a photo-catalytic system and is provided with a heat dissipating system. As an important composition part of the photo catalysis, the photo-catalytic shielding heat dissipating device avoids the radiological impact to operators caused by the light of photo-catalytic reaction, the influence on catalytic reaction in the system caused by light outside the system and prevents the overheating of the system and the light source. The device which is simple in structure is suitable for the fields of scientific research and production and teaching such as photo-catalytic synthesis, degradation, transformation and reduction. By selecting special materials, the shielding heat dissipating device has the effect of preventing ultraviolet radiation, avoiding the influence of light sources and temperature differences of external environments.

Preparation method of esterified vegetable sponge and application thereof in organic matter absorption

The invention discloses a preparation method of esterified vegetable sponge and the application thereof in organic matter, particularly in organic matter absorption in water system, belonging to the technical fields of natural high molecular material modification and wastewater treatment. The method comprises the following steps of: dipping natural vegetable sponge with proper NaOH/ethanol solution; basifying by means of microwave intermittent radiation; reflowing, washing and drying in thermostatic waterbath; and dipping with acetic oxide; intermittently reacting under the condition of microwave radiation, washing and drying to obtain the esterified vegetable sponge. The esterified vegetable sponge has relative simple process technology, has the better performance of organic pollutant absorption than that of the natural vegetable sponge, can partially replace synthetic high molecular material in wastewater treatment, and has the characteristics of wide source, low cost, biological degradation ...

Application of luffa as adsorbent in metallic ion adsorption

The invention relates to an application of vegetable sponge as adsorbent in metal ions adsorption. The vegetable sponge is from the fruit of loofah, and the natural adsorption material is obtained after the loofah is peeled off and the kernel is removed; the natural adsorption material can be directly used for absorbing the metal ions in solution, especially the water solution. The vegetable sponge has the advantages of wide source, capability of biodegradation, simple processing technology, ability to substitute synthetic macromolecular material and environmental friendliness.

Electric control manual speed change control system of heavy truck

The utility model belongs to the field of heavy truck speed change control. The heavy truck electronic control manual speed change control system comprises a speed change control handle, a cable, a controller, a speed change executing mechanism and a speed changer, the speed change control handle is installed on a speed change control device at the cab end, and meanwhile a sensor is used for judging the gear where the speed change control handle is located; a speed change executing mechanism is arranged at the speed changer end, a controller identifies gear signals collected and released by asensor in a cab to drive the speed change executing mechanism to act, and a speed changing box is arranged at a needed gear. The electric control manual speed change control system of the heavy truckreplaces a traditional pure mechanical hard rod gear shift control system, and solves the problems that under the suspension condition of an air bag vibration reduction four-point suspension type cabof the ...

Built -in heat pipe formula battery module

The utility model discloses a built -in heat pipe formula battery module, including battery module, heat pipe and cooling plate, battery module includes the module casing, sets up a plurality of parallel arrangement's in the module casing battery monomer and heat pipe installing support, the heat pipe installing support sets up between the battery monomer, perhaps the battery monomer sets up between the heat pipe installing support, the heat pipe is installed on the heat pipe installing support just one section pipeline in the heat pipe with cooling plate contact, another section pipeline with the contact of battery monomer, the cooling plate with the heat pipe is dismantled and assembled, the utility model discloses a set up the heat pipe installing support between the battery monomer for the assembly of the heat pipe reliable and simple that becomes has promoted built -in heat pipe formula battery module assembly efficiency, has reduced manufacturing cost, reduces the battery temperature ...

Photocatalysis shielding heat radiating device

The invention relates to a photo-catalytic shielding heat dissipating device, comprising a light shielding box body which can contain a photo-catalytic system and is provided with a heat dissipating system. As an important composition part of the photo catalysis, the photo-catalytic shielding heat dissipating device avoids the radiological impact to operators caused by the light of photo-catalytic reaction, the influence on catalytic reaction in the system caused by light outside the system and prevents the overheating of the system and the light source. The device which is simple in structure is suitable for the fields of scientific research and production and teaching such as photo-catalytic synthesis, degradation, transformation and reduction. By selecting special materials, the shielding heat dissipating device has the effect of preventing ultraviolet radiation, avoiding the influence of light sources and temperature differences of external environments.

Pile foundation damping device capable of inhibiting seismic oscillation energy transmission

The invention discloses a pile foundation damping device capable of inhibiting seismic kinetic energy transfer, which comprises a seismic isolation pile vertically embedded into the ground and a bearing platform taking the seismic isolation pile as a pile foundation, the seismic isolation pile comprises a pile body integrally connected with the bearing platform and a sleeve annularly sleeving the pile body, and a buffer layer is filled between the pile body and the sleeve; a memory alloy rod is connected between every two pile bodies, and the memory alloy rods are parallel to the bearing platform and are exposed out of the ground. According to the pile foundation damping device provided by the invention, various components such as the earthquake isolation pile, the bearing platform, the buffer layer and the memory alloy rod are combined, so that the transmission of earthquake kinetic energy is effectively inhibited, and the earthquake resistance of a building is improved. Compared with ...

Method for preparing PC-g-PMMA grafted copolymer by adopting electron beam irradiation method

The invention relates to a method for preparing a PC-g-PMMA grafted copolymer by adopting an electron beam irradiation method. The method comprises the following steps of: carrying out a grafted reaction on a PC sample and an MMA monomer after the PC sample is subjected to the electron beam pre-irradiation under the conditions of a certain solvent and oxidation-reduction catalysts, carrying out suction filtration, washing and drying to obtain a product. The PC-g-PMMA grafted copolymer has excellent performances and can be used as a bulking agent of a PC/PMMA blending system. The electron beamirradiation grafted method adopted in an experiment has the characteristics of high efficiency, simple and convenient process, easy control and the like as well as favorable development prospect.

Dynamic calibration method for turboshaft engine test bed

The invention discloses a dynamic calibration method for a turboshaft engine test bed. The method includes the following steps that firstly, test bed stability inspection is conducted, and the test bed is adjusted in time by analyzing test data; secondly, temperature uniformity inspection is conducted, temperature probes are uniformly distributed on the engine intake part, and an engine is adjusted in time by analyzing temperature data; thirdly, repeatability inspection is conducted, a primary performance test and a repeatability test are carried out on the engine to obtain test values of the engine at different state points, the test values of the repeatability test are compared to obtain repeatability difference values, and the engine is adjusted in time according to the repeatability difference values; fourthly, intersection calibration inspection is conducted, the engine is placed on a reference test bed and the test bed to be calibrated respectively to be subjected to intersection ...

Alkalization modifying method of luffa and use thereof

The present invention provides a luffa alkalization modification method and an application in the metal ion adsorption, belongs to natural high polymer material modification or wastewater disposal technical field. The method is mixing the natural luffa with m moderate NaOH alcohol solution, alkalization under the temperature 25-80 Celsius degree, or alkalization by microwave interval radiation 1-10 min, then obtaining alkalization luffa by reflowing, washing, filtering, drying in the thermostatic waterbath. The luffa comes from variety of natural resources, and biodegradation, and treating process is relatively simple, partly substituting high molecular synthetic material in aspect of the sewage treatment, and having advantages such as friendly to the environment.

Heat transfer structure of battery module

The utility model discloses a heat transfer structure of battery module, including battery module and heat transfer unit (HTU), battery module includes a plurality of parallel arrangement's battery cell, the heat transfer unit (HTU) includes heat pipe and liquid cooling board, one section pipeline of heat pipe with battery cell contact, another section pipeline with the liquid cooling board is integrative to be set up, the liquid cooling board is formed by two metal chip bondings or bonding, the utility model discloses a change heat pipe and liquid cooling joining of plates mode, the interference fit grafting mode that will need the degree of depth changes no depth requirement's integrative connected mode into, reduces liquid cooling plate thickness and weight, and then has reduced the volume and the weight of battery module.

Method for rapidly preparing polythiophene in mixed solvent system

The invention relates to a method for rapidly preparing polythiophene in a mixed solvent system. According to the method, a mixed solvent system is adopted as a polymerization reaction medium. One component in the mixed solvent is water in which neither thiophene monomer nor polythiophene can be dissolved and the other component is a good solvent for the thiophene monomer, and polythiophene can be dissolved in the good solvent to a certain extent, and the good solvent is miscible with water, and the oxidant and the catalyst system can be dissolved in the mixed solvent. The temperature in the method for preparing polythiophene is easily controlled, the process is simple, the product is efficiently processed, solvents are conveniently recycled, and the mixed solvent system and oxidation/catalytic system have wide selectable ranges and universal applicability.

Application of alkalization modified loofah sponge as absorbent in metal ion absorption

The invention discloses the application of alkalization modified loofah sponge as an absorbent in metal ion absorption, belonging to the technical field of modification of natural high polymer materials or waste water treatment. The application of the alkalization modified loofah sponge as an absorbent in metal ion absorption is that the alkalization modified loofah sponge is directly used for adsorption and desorption of metal ions in a water system. The loofah sponge has wide source, is biodegradable, can partially replace synthesis high polymer materials in waste water treatment and has the advantages of environment protection and the like.

Lightning early warning effect evaluation method

The invention discloses a thunder and lightning early warning effect evaluation method and system, a storage medium and electronic equipment. The method comprises the following steps: acquiring thunder and lightning scatter data of an early warning area; converting the lightning scatter point data into real probability lattice point data; acquiring early warning probability lattice point data of the early warning area; setting a hit probability threshold; comparing the real probability lattice point data and the early warning probability lattice point data with a hit probability threshold value one by one to obtain an evaluation index; and evaluating the early warning probability lattice point data according to the evaluation index. Probability grid point data in the early warning probability grid point data and the real probability grid point data are compared with a hit probability threshold point by point, so that the hit number, the false report number and the missing report number ...

Heat transfer plate and have battery module of this heat transfer plate

The utility model discloses a heat transfer plate, spill over the groove including a plurality of connecting grooves with at least one, spill over the groove with connecting grooves is crossing, connecting grooves is used for the holding heat pipe and connects the material, it is used for absorbing the follow to spill over the groove the connection material that connecting grooves overflows, the utility model also discloses a battery module that has the heat transfer plate, the utility model discloses an increase the connecting grooves around and spill over the groove, solved the welding slag that spills over or the problem of glue influence assembly precision, improved the assembly precision of battery module, reduced the processing degree of difficulty that heat pipe and heat transfer plate are connected.

Computer software testing device with heat dissipation mechanism

The invention provides a computer software testing device with a heat dissipation mechanism, and relates to the field of testing devices. The computer software testing device with the heat dissipation mechanism comprises a case, a partition plate is fixedly connected to the interior of the case, the interior of the case is divided into a device cavity and an installation cavity through the partition plate, the heat dissipation mechanism is arranged in the installation cavity, and the heat dissipation mechanism comprises a first motor. By arranging the heat dissipation mechanism, the positions of fan blades can be changed through lifting of a lifting block, so that air generated by the fan blades can better dissipate heat of devices in a device cavity, and the heat dissipation effect is improved; the first gear drives the second gear to rotate so as to drive the fan blades to perform angle rotation, so that the blowing range of the fan blades can be enlarged, the fan blades have a better ...

Power battery module mounting structure

The utility model provides a power battery module mounting structure, including upper module, lower floor's module and battery box, still lock the lag bolt under including, lock the stay bolt and the lag bolt of locking down, under lock the lag bolt and tightly lock lower floor's module on the battery box, under lock that the stay bolt runs through upper module and the lower floor module is tightly locked upper module and lower floor's module on the battery box simultaneously, the lag bolt of locking passes the fitting surface connection of upper module and lower floor's module and tightly locks layer module and lower floor's module, this kind of successive layer is fixed and high through the mode stability of locking stay bolt through fixed down again, the module attend the lower floor pile up the installation oversimplify, systematized, need not to use in addition the support to support, lower manufacturing cost, automated production can be realized in the equitable space that utilizes ...

Amorphous magnesium-yttrium-transition metal hydrogen storage material and preparation method thereof

The invention provides an amorphous magnesium-yttrium-transition metal hydrogen storage material and a preparation method thereof, belonging to the technical field of hydrogen storage materials. The content of Mg in the hydrogen storage material is 70-90at.%, the transition metal is Co, Ni and Cu, and the yttrium and the transition metal are added in a combined addition manner based on the mol ratio of 1 to 1. The preparation method comprises the steps of: firstly, melting and preparing intermediate alloy of the yttrium and the transition metal by using an induction melting furnace; secondly, remelting and rapidly quenching the metal Mg and the intermediate alloy of the yttrium and the transition metal in a vacuum single-roller liquor rapid quenching furnace, wherein the prepared material is an amorphous ribbon with the width of 3mm and the thickness of 30-50 microns; and grinding the prepared amorphous ribbon into powder with different granularities in a glove box, wherein the amorphous ...

Application of etherized luffa in metallic ion adsorption as adsorbent

The invention discloses an application of etherized luffa in metallic ion adsorption as adsorbent, which belongs to the technical field of natural high molecular material modification or waste water treatment. The method comprises the following steps: mixing natural luffa with an appropriate amount of NaOH ethanol solution, performing alkalinization at 25-80 DEG C, or performing intermittent radiation alkalinization with micro wave; then carrying out back flow, washing, suction filtration and drying in an aqueous thermostat; dispersing the mixture through NaOH solution and enabling the mixture to react with alcoholic solution of monochloroacetic acid, performing suction filtration, washing and drying, and obtaining etherized luffa. Etherized luffa can come from a wide range of sources and can be biologically degraded, and the treatment process is relatively simple; etherized luffa can partially replace high molecular composite material in sewage treatment, and is environment friendly.

Photo-catalytic reactor

The invention relates to a photo-catalytic reactor, which comprises a reactor with an upward open mouth, and a transparent cover body is sealed and matched with the mouth of the reactor. With the adoption of the reactor, a method of top light irradiation can be used for separating the transparent part from the part of the reactor so that the friction of a stirrer on the reactor does not influence the permeation of light, which improves the utilization rate of light sources and the photo-catalytic efficiency. As a core component of the photo-catalysis, the photo-catalytic reactor is simple in structure, easy in manufacturing and low in cost.

Heat conduction structure of battery module

The utility model discloses a heat conduction structure of battery module, including battery module and heat transfer unit (HTU), battery module includes a plurality of parallel arrangement's battery cell, the heat transfer unit (HTU) includes heat pipe and liquid cooling board, one section pipeline of heat pipe with battery cell contact, another section pipeline with the liquid cooling board is connected, the liquid cooling board is made for the heat conduction plastic, the utility model discloses a liquid cooling board that uses the heat conduction plastic to make has lightened the weight of liquid cooling board, has improved the portability of battery module, has reduced manufacturing cost.

Intelligent control integrated volume correction instrument detection device and detection method

The intelligent control integrated volume correction instrument detection device comprises a volume correction instrument, a heating auxiliary device and an automatic detection device, and the volume correction instrument is of an integrated structure formed by connecting a temperature sensor, a pressure sensor and a flow base meter. The integrated volume correction instrument detection device is provided with a high and low temperature test box, a pressure calibration instrument and a data acquisition device, a bearing tray is arranged at the bottom of the high and low temperature test box, and a plurality of volume correction instruments to be detected are placed on the bearing tray. And each to-be-detected volume correction instrument corresponds to one heating auxiliary device. According to the invention, the heating auxiliary device is arranged on the to-be-detected volume correction instrument, and the to-be-detected volume correction instrument is preheated, so that the waiting temperature ...

Polyamide/polypropylene alloy heat-conducting composite material and preparation method thereof

The invention relates to a polyamide/polypropylene alloy heat-conducting composite material and a preparation method thereof. The composite material comprises the following components in percentage by mass: 42-63 percent of PA, 7-28 percent of PP, 1-7 percent of a compatilizer, 0.2-0.5 percent of an antioxidant, 0.2-0.5 percent of a lubricating agent and 30 percent of heat-conducting filler. Disperse two phases are formed by utilizing polar polyamide and non-polar polypropylene, and a certain amount of compatilizer is added so that the two phases are partially compatible; and meanwhile, the filler is distributed between the interfaces of the two phases or distributed in one of the two phases by utilizing the viscosity difference between the two phases, so that a heat-conducting path is easily formed by the filler in the polymer alloy system. In addition, closer overlap joint is formed in a matrix by utilizing graphite packing with different particle sizes, so that the heat-conducting performance ...

Polyaniline-nano Zns Compound photocatalyst and preparation method thereof

The present invention relates to a polyaniline-nano ZnS compound photocatalyst and preparation method thereof wherein the photocatalyst takes polyaniline as the framework, and load nano ZnS thereon with molar ratio between Zn and N from 1:10 to 10:1. The present invention adopts inexpensive ZnCl2 and Na2S as raw material, prepares well dispersed ZnS nanocrystalline with photo-catalytic activity and particle diameter between 2 to 40 nano by using coordination conversion method. The preparation process is simple and can be easily controlled, which is beneficial for industrial production. The polyaniline-ZnS compound photocatalyst produced through the invention are mainly zinc blende type, and have katalysis under irradiation of ultraviolet light and visual light, and applicable effective visible wavelength is 400-600nm and has strong absorption in ultraviolet regions (wavelength smaller than 400nm).

Method for preparing chitose magnetic microsphere metal palladium complex catalyst

Heat-conducting, wear-resistant and insulated nylon 6 composite material and preparation method thereof

The invention relates to a heat-conducting, wear-resistant and insulated nylon 6 composite material and a preparation method thereof. The material is composed of the following raw materials in percentage by weight: 20-50% of PA 6, 10-30% of fibrous heat-conducting fillers, 15-30% of insulated heat-conducting powder A, 5-10% of insulated heat-conducting powder B, 5-15% of heat-conducting wear-resistant powder, 0.75-1.5% of coupling agent, 3-10% of compatibilizer, 0.2-0.5% of antioxidant and 0.2-0.5% of lubricant. According to the heat-conducting, wear-resistant and insulated nylon 6 composite material provided by the invention, heat-conducting fillers with different particle sizes, different shapes and different draw ratios are compounded so that the fillers are more uniformly distributed in a plastic matrix so as to form a heat-conducting network more easily. Since a low-feeding high-shearing extrusion process is used in the invention, an extruder is at a hungry state to achieve an effect ...

Dry-type biological septic device and dry-type toilet

The utility model provides a dry-type biological septic device and a dry-type toilet, and relates to the technical field of environmental protection equipment, the dry-type biological septic device comprises a shell, a main shaft, a power device, a plurality of stirring blades and a spiral discharging device, wherein an accommodating space for accommodating excrement is formed in the shell; the main shaft is rotatably mounted in the shell; the power device is used for driving the spindle to rotate; the stirring blade surrounds the periphery of the main shaft and is fixedly connected with the main shaft; the spiral discharging device is connected to one side of the shell. According to the dry type biological excrement treatment device, excrement in a toilet can be effectively treated, pollution caused by the excrement in the toilet is reduced, and water resources are saved.

Method for controlling overcurrent protection of turbocompressor driven by motor and controller used thereby

The invention discloses a method for controlling overcurrent protection of a turbocompressor driven by a motor. A difference value of a rated value of the motor and the actual current of the motor is subjected to control operation, an output signal of the control operation is equal to a control signal of a throttle valve at an inlet of the turbocompressor of the prior system when an actual value of the current is smaller than a preset value, and the control of an intake throttle valve is not interfered; and when the actual value of the current is greater than the preset value, the output signal of the control operation is smaller than the control signal of the throttle valve at the inlet of the turbocompressor of the prior system, and the controllable current of the motor does not exceed a current rating. A controller used by the method consists of a difference operator, a control operator, and a minimum value selector. The method has the advantages that the opening degree of the intake ...

Polyacrylic acid emulsion hydrophobic coating material with low fluorine content and preparation method thereof

The invention provides a polyacrylic acid emulsion hydrophobic coating material with low fluorine content and a preparation method thereof. The coating comprises 30-50 wt.% of core-shell structure fluorinated polyacrylate resin, 0.6-3 wt.% of an emulsifier and 47-69.4% of water. The preparation method uses a core-shell polymerization method to prepare acrylate emulsion with surface containing fluorine, and uses the transfer characteristic of the fluoride-containing group to prepare the hydrophobic coating through the control of film forming conditions. Control on film forming conditions mainly includes film-forming temperature, heating rate and film-forming agent. By controlling the film forming conditions, in the premise of low fluorine content, control of surface migration of fluorine can reduce the surface energy and improve the hydrophobicity of the coating surface. The method can effectively reduce the usage amount of the fluorine-containing monomer, reduce synthesis cost, save energy ...

Method for improving precision of precision injection pump by automatically adjusting stroke through temperature

The invention discloses a method for improving precision of a precision injection pump by automatically adjusting stroke through temperature, which is characterized in that a medium temperature sensor is additionally arranged at a medium inlet of the precision injection pump to measure medium temperature in real time, and a mainboard of the precision injection pump controls an MCU (Microprogrammed Control Unit) to collect actual temperature in real time. According to the method, on the basis of an existing precise injection pump, an existing design algorithm serves as an idea, a PID technical closed loop is achieved through physical characteristics, an injector and the injection pump can be combined, closed loop is conducted through temperature and pushing stroke, on the original basis, the physical characteristics are promoted to change through temperature change, and the physical characteristics of media are correlated; the control precision of the injection pump is not affected, meanwhile ...