54results about How to "Speed ​​up the transfer process" patented technology

The invention relates to an anti-static PP composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. The antistatic PP composite material is prepared from the following components in parts by weight: 60 to 80 parts of PP resin, 10 to 20 parts of glass fiber, 0.1 to 0.5 part of a lubricant, 0.3 to 2 parts of a modified antistatic agent, 0.5 to 1.5 parts of a modified flame retardant and 0.2 to 0.8 part of an antioxidant, in the modified antistatic agent, an alkanolamide bond intermediate forms a conductive film, so that the resistivity is reduced, static dissipation is promoted, the material is endowed with lubricity, and the generation of static electricity is reduced; in addition, maleic anhydride forms a conductive layer and cooperates with quaternary ammonium salt to enhance hydrophilicity and accelerate charge transfer; a piperazine pyrophosphate derivative in the modified flame retardant and a phosphorus-nitrogen flame retardant cooperate to construct an expanded carbon layer to isolate a fire source and oxygen, so that the service life is prolonged; the anti-static PP composite material prepared by the invention not only has a good anti-static effect, but also has excellent flame-retardant and tensile properties.

The invention relates to an antistatic functional plastic and a preparation method thereof, and belongs to the technical field of high polymer materials. The plastic with the antistatic function comprises the following components in parts by weight: 80-100 parts of polystyrene resin, 10-20 parts of glass fibers, 1-5 parts of an antioxidant, 2-8 parts of a light stabilizer, 5-10 parts of a modified antistatic agent and 0.3-0.6 part of a modified flame retardant, anhydride groups in the modified antistatic agent are dehydrated at a high temperature to form a conductive layer, static accumulation is effectively reduced, the anhydride groups and quaternary ammonium salt have a synergistic effect on static elimination characteristics and strong adsorption capacity, and meanwhile, the combustion speed is remarkably slowed down through heat absorption and catalysis of maleic anhydride; in the modified flame retardant, an alpha-amino alkyl phosphonate compound is decomposed to generate phosphorus-containing free radicals, a combustion chain is interrupted, nitrogen is released to inhibit combustion, the alpha-amino alkyl phosphonate compound and DOPO cooperate for flame retardance, the flame retardant efficiency is improved, and the prepared antistatic functional plastic has a good antistatic function and also has excellent flame retardant and tensile properties.

The invention relates to the technical field of nano-drugs, in particular to an acoustic / chemical power synergistic anti-tumor nano-drug as well as a preparation method and application thereof. The invention provides an acoustic / chemical power synergistic anti-tumor nano-drug, which takes hollow mesoporous MnO2 nano-particles as a carrier, and is loaded with vitamin C and a sound-sensitive agent chlorin e6. Vc can generate abundant H2O2 to provide a raw material for CDT, and MnO2 is used as a peroxidase-like enzyme to catalyze H2O2 to generate O2, so that tumor hypoxia is effectively relieved, and the effect of sonodynamic therapy is enhanced. Besides, GSH induces MnO2 degradation, GSH consumption is caused to enhance CDT, GSH depletion can cause glutathione peroxidase 4 (GPX4) activity reduction, ROS generation and GPX4 activity reduction have a synergistic effect, lipid peroxides (LPOs) are increased, and finally ferroptosis of tumor cells is caused.

The invention provides a high-performance all-solid-state electrolytic tank for producing hydrogen by electrolyzing water and a preparation method of the high-performance all-solid-state electrolytic tank. The preparation method mainly comprises the following steps: preparation of electrode powder: preparing (La0. 6Sr0. 4) 0.95 Co0. 2Fe0. 8O3-delta (LSCF) powder by adopting a liquid-phase synthesis method, and preparing MxCe1-xNyO2 powder by adopting a coprecipitation method for an electrode and an isolating layer; preparing a half cell by adopting a co-casting process; an isolating layer and an oxygen electrode are prepared by adopting a silk-screen printing technology, and high-content water vapor is introduced to realize hydrogen production by electrolyzing water. The prepared high-performance all-solid-state electrolytic tank has efficient water electrolysis hydrogen production catalytic activity and Faraday efficiency, can operate at the medium-high temperature of 650-850 DEG C, and can effectively reduce electric energy consumption and improve energy conversion efficiency.

The invention discloses a near-infrared light response ultrathin nanosheet sulfur-doped BiOCl photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. The preparation method comprises the following technical steps: (1) preparing a BiOCl nanosheet; and (2) preparing the sulfur-doped BiOCl nanosheet. By adopting a secondary hydrothermal method and controlling the dosage of thioacetamide and BiOCl nanosheets, the prepared catalyst is an ultrathin nanosheet with uniform morphology, the average size is 70-120nm, the catalyst has light response in a near-infrared light region of 780-1200nm, the light absorption capacity of the catalyst is better, and near-infrared light response can be achieved. The catalyst is applied to catalytic degradation of ENR, the ENR degradation rate under visible light is 66.87%, and the degradation effect is good; under near-infrared light, the ENR degradation rate is 9.25%, and the degradation performance from zero to existence is achieved. The preparation method disclosed by the invention is simple, mild in condition, easy to control, low in raw material consumption, free of complex operations such as centrifugation, low in preparation cost and easy to popularize and apply.

The invention relates to the technical field of biomedical materials, and discloses an active oxygen responsive hydrogel coating for resisting vascular restenosis as well as a preparation method and application thereof, the active oxygen responsive hydrogel coating is a hydrogel coating obtained by crosslinking an active oxygen responsive-scavenging polymer prodrug and dopamine modified oxidized dextran; the hydrogel coating is transferred to the inner wall of a blood vessel along with high-pressure expansion of the balloon, responsively degrades under the stimulation of excessive active oxygen in lesion tissues, releases antioxidant drugs, effectively removes local excessive active oxygen, improves the inflammatory microenvironment and inhibits restenosis of the blood vessel.

The invention belongs to the technical field of gas purification and separation, and particularly relates to a water-phase mixed amine absorbent and application thereof. Polyamine without tertiary amine N atoms is used as an absorption main agent, tertiary amine containing one N atom is used as a desorption main agent, polyamine containing one tertiary amine N atom is used as an activating agent, the desorption main agent is easy to regenerate, and the alkaline characteristic of the desorption main agent can strengthen the proton transfer process, so that the proton transfer efficiency is improved. Therefore, the mixed amine has the characteristics of high regeneration rate, high regeneration efficiency and low regeneration energy consumption; the absorption main agent contains a plurality of amino groups, so that the mixed amine has the characteristics of high absorption rate and high absorption capacity; meanwhile, the activating agent can activate the mixed amine absorbent, so that the mixed amine absorbent has efficient absorption performance and desorption performance at the same time.

The invention discloses a multilayer nickel-cobalt-based OER catalyst and a preparation method thereof. The multilayer nickel-cobalt-based OER catalyst is characterized in that the catalyst is of a three-layer structure composed of a supporting layer, a middle layer and a skin layer, the supporting layer is foamed nickel, the middle layer is nickel-cobalt layered double hydroxide NiCo-LDH growing on the foamed nickel, the skin layer is ZIF-67, and the ZIF-67 is embedded in the nickel-cobalt layered double hydroxide. The prepared multi-layer nickel-cobalt-based OER catalyst can be applied to the field of electro-catalysis, an organic metal framework material is introduced, meanwhile, use of a binder (such as a Nafion solution) is avoided, controllable synthesis of an MOFs material is achieved, accordingly, excellent OER performance and stability are achieved, a ZIF-67 layer grows through an electroplating method instead of other high-energy-consumption modes such as hydrothermal growth, and the performance of the catalyst is greatly improved. The preparation efficiency is improved, the loss of raw materials is reduced, and higher industrialization potential is brought.

The invention provides an aqueous zinc ion battery electrolyte added with a humectant and application of the aqueous zinc ion battery electrolyte. According to the technical scheme, the electrolyte comprises water, zinc salt and a humectant, wherein the humectant binds the water in the electrolyte; the humectant is selected from one or more of a micromolecular humectant and a macromolecular humectant; the macromolecular humectant is selected from one or more of hyaluronic acid, a polysaccharide humectant, a polypeptide humectant and polyethylene glycol; the polypeptide humectant is selected from collagen. The wetting agent has the beneficial effects that the wetting agent has the effects of absorbing moisture, locking water and forming a film, and can be used for constraining water in an electrolyte, inhibiting side reactions in the zinc ion battery, changing the deposition morphology of zinc and guiding uniform deposition of zinc, so that the cycling stability and coulombic efficiency of the zinc ion battery are improved.

The invention provides a metal monatomic loaded lamellar stacked carbon nitride hollow cubic material as well as a preparation method and application thereof, and ACT-Fe / Na-C3N4 (0.04) with a three-dimensional hollow cubic morphology and uniformly dispersed in-plane / interlayer double Fe monatomic sites is successfully prepared by utilizing a morphology amorphous-to-crystalline transition (ACT) strategy. And crystal form regulation and fine design of metal atom sites are integrated. The built in-plane Fe-N4 and interlayer Fe-N5 coordination structure significantly improves the electron transport efficiency of the material, enhances the adsorption and activation ability to O2 molecules, realizes efficient generation of. O2 <->, and provides controllable reaction conditions for selective conversion of biomass, so that the HMF conversion rate reaches 98.8%, and the HMFCA selectivity reaches 83.7%. In addition, the ACT strategy is generally suitable for the assembly of a variety of transition metals (Mn, Fe, Co, Cu or Cd) at the same time.

The application relates to the field of biomedical technology, and discloses a diagnostic agent for identifying melanoma molecular subtype typing and application, wherein the diagnostic agent comprises a first antibody specifically combined with a SOX10 protein and a second antibody specifically combined with an EGR1 protein; the diagnostic agent can be applied to preparation of a diagnostic product for evaluating the prognostic effect of a melanoma patient, preparation of a diagnostic product for predicting the treatment sensitivity of melanoma to a BRAF inhibitor, and preparation of a diagnostic product for guiding an individualized treatment scheme of melanoma. The diagnostic agent for melanoma molecular subtype typing can be directly transformed into clinical practice, and can assist in realizing real individualized treatment.

The invention relates to the technical field of new energy materials, and discloses a silicon-containing carbon-based negative electrode material and a preparation method and application thereof. The negative electrode material is prepared by depositing nano-silicon in the pores of a nitrogen / sulfur-doped microporous carbon material using a vapor deposition method, wherein the nitrogen / sulfur-doped microporous carbon material is prepared by using chemically cross-linked dextran aerogel as a carbon precursor and is prepared by carbonization. Since the chemically cross-linked dextran aerogel has a uniform and dense micro-nanoscale pore structure, the prepared nitrogen / sulfur-doped microporous carbon material can have high porosity and a large specific surface area. The material also contains miscellaneous elements doped therein, and the nano-silicon is coated with the aerogel as a coating material. The formed silicon-containing carbon-based negative electrode material has strong conductivity, good cycle stability, and high specific capacity, and can be used as an excellent negative electrode material for lithium-ion batteries.

This utility model relates to the field of filling and sealing equipment technology, specifically to a powder-liquid dual-chamber bag making and filling equipment. The equipment includes a front carriage and a rear carriage, as well as a bag transfer station connecting the two carriages. The front carriage is used for manufacturing the powder-liquid dual-chamber bag body, and the rear carriage is used for filling and sealing the liquid chamber of the powder-liquid dual-chamber bag. By setting up the bag transfer station to combine the front and rear carriages, the transfer process of the powder-liquid dual-chamber bag body can be accelerated, facilitating its entry into the subsequent liquid filling process. Linking the front and rear carriages increases the filling speed of the powder-liquid dual-chamber bag body, thereby accelerating the production efficiency of the powder-liquid dual-chamber bags.

The present invention discloses a micro LED chip and a control substrate eutectic structure and a preparation method thereof. The structure is obtained by welding a micro LED chip (1) and a control substrate (2) together simultaneously by using a laser. The micro LED chip (1) comprises a chip substrate (14) and a plurality of LED chips (11) fixed on the chip substrate (14). The plurality of LED chips (11) have a common first negative electrode (12), and the plurality of LED chips (11) respectively have an independent first positive electrode (13). The control substrate (2) is located below the micro LED chip (1) and comprises a control substrate body. (21) and a plurality of second positive electrodes (22) and a second negative electrode (23) located on the control substrate body (21); wherein the longitudinal thickness of the first negative electrode (12) is equal to the longitudinal thickness of the first positive electrode (13); the longitudinal thickness of the second negative electrode (23) is equal to the sum of the longitudinal thickness of the second positive electrode (22) and the longitudinal thickness of the LED chip (11), and this thickness allows the welding to be completed with the same heating time during eutectic welding, thereby solving the problem that during laser eutectic welding, the first positive electrode (13) has melted, while the first negative electrode (12) is too thick and has not melted.

The utility model belongs to the technical field of relays, and particularly relates to an electromagnetic relay with efficient heat dissipation, the electromagnetic relay comprises a shell, an electromagnetic unit, a control unit and a heat dissipation unit, the heat dissipation unit comprises a heat conduction ring, a plurality of heat conduction pipes and a heat dissipation main body, the heat conduction ring wraps an electromagnetic coil, the heat dissipation main body is arranged outside the shell, and the control unit is arranged in the shell. The heat dissipation body is connected with the heat conduction ring through the heat conduction pipe. The electromagnetic relay has good heat dissipation capability, and the service life of the device is prolonged.

The invention discloses an automatic loading and unloading device of a double-head milling machine for processing rectangular steel plate workpieces, comprising a worktable, a preparation table is arranged on both sides of the front of the worktable, a track bracket is arranged on the front of the preparation table, two support columns are arranged on both sides of the top of the worktable, a material transfer track is arranged between the tops of the support columns, a translation slide is arranged on both sides of the material transfer track, a vacuum pump is arranged on one side of the top of the translation slide, a mounting groove is opened in the middle position of the top of the translation slide, a driving component is arranged inside the mounting groove, and a material transfer component is arranged at the bottom of the translation slide; a processing base is arranged in the middle position of the top of the worktable, a CNC milling machine is arranged in the middle position of the front and back of the worktable, and a conveying component is arranged between the preparation table and the top of the worktable. By arranging a material transfer manipulator, a conveying component and a material transfer component, the fully automated loading, transfer and unloading of steel plate workpieces can be realized, thereby greatly improving the efficiency of steel plate workpiece transfer and milling.

A dustproof photovoltaic module frame disclosed by the present invention comprises a frame main body and a photovoltaic panel, the frame main body is formed by combining four L-shaped right-angle frames, the photovoltaic panel is arranged in the frame main body, a cooling assembly is installed in the frame main body, and the cooling assembly comprises a cooling water pipe assembly installed in the frame main body. The dustproof photovoltaic module frame comprises a frame body, a bottom plate is arranged in the frame body, a cooling water pipe assembly is installed in the bottom plate, a cover plate is installed at the top end of the bottom plate, the cooling water pipe assembly comprises cooling outer pipes installed in the bottom plate side by side, and supporting cylinders are installed in the cooling outer pipes. A closed-loop refrigeration cycle system is formed through the evaporator installed in a communicating mode, the cooling water pipe can absorb and disperse heat more rapidly, and meanwhile the continuity and stability of the cooling effect are kept through circulating use of refrigerants.

The invention discloses a perovskite structure mixed ion-electron conductor material and application thereof in a lithium battery, and belongs to the technical field of lithium batteries. The general formula of the material is Li [alpha] Sr [beta] X [x] Ta1-y-zYyZzO3, wherein 0.12 < = alpha < = 0.56, 0.3 < = beta < = 0.44, 0.56 < = alpha + beta + x < = 1, 0.11 < = z < = 0.23, and 0.11 < = y + z < = 0.50. Enough free electrons are obtained in a mode of embedding and reducing the variable valence element Z by the metal lithium, and the conductivity property of the electrons is obtained. The mixed conductor has high ionic conductivity, high electronic conductivity can be obtained in an in-situ or ex-situ mode through lithium intercalation, and the interface stability and rate capability are improved. The method can be applied to an electrode interface, such as a filling electrode active particle gap and a negative electrode / electrolyte interface layer in a battery, and can be applied to devices such as a lithium ion battery, a metal lithium battery and an all-solid-state lithium battery.

The utility model relates to a kind of electric field activation pyrite removal wastewater total nitrogen device, belong to sewage treatment technical field, the utility model includes water distribution tank, reaction tank and effluent tank;Anode cage, cathode tube are equipped in the reaction tank, and sulphur iron ore particles are filled between cathode tube and anode cage;The power supply is connected to the cathode tube and anode cage;Water distribution tank and reaction tank between being equipped with baffle A, and the bottom of baffle A remains water flow passage A;Reaction tank and effluent tank between being equipped with baffle B;Water flow passage B is left in the left side of baffle B;The structure of the utility model makes sewage contact with sulphur iron ore under the action of electric field, and nitrate nitrogen and nitrite nitrogen can be reduced to nitrogen without biological bacteria, and nitrogen removal rate is high.

The invention discloses a bismuth tungstate-based heterojunction photocatalyst, a preparation method of the bismuth tungstate-based heterojunction photocatalyst and application of the bismuth tungstate-based heterojunction photocatalyst in organic wastewater treatment. The preparation method of the bismuth tungstate-based heterojunction photocatalyst comprises the following steps: 1) preparing copper-ytterbium bimetallic doped carbon dots; (2) preparing cobalt disulfide modified by carbon dots; (3) preparing a bismuth tungstate compound doped with the cobalt disulfide modified by the carbon dots; and (4) depositing silver on the surface of the bismuth tungstate compound doped with the cobalt disulfide modified by the carbon dots to obtain the bismuth tungstate-based heterojunction photocatalyst. According to the catalyst based on the multi-element modified bismuth tungstate-based heterojunction, the catalytic activity of the catalyst can be remarkably improved through composite multi-effect modification treatment, and the catalyst not only can generate active oxygen under visible light, but also has the capacity of efficiently generating the active oxygen under ultrasonic excitation; the capability of degrading organic dye pollutants in wastewater by the catalyst can be greatly improved.

The application belongs to the technical field of electrocatalytic material preparation, and discloses a method for preparing a cobalt tungstate electrode based on gas-phase replacement, an electrode and application. 3 A seed layer is formed on the surface of the conductive substrate; then the conductive substrate is placed in a hydrothermal reaction solution containing tungstate, and a hydrothermal reaction is performed; after cleaning and drying, annealing treatment is performed, so that a WO3 nanosheet array is obtained on the conductive substrate; then the conductive substrate and a volatile cobalt source are placed in a protective atmosphere and under negative pressure to perform a gas-phase cation replacement reaction, so that a cobalt tungstate multistage nanostructure electrode is obtained. The application utilizes the characteristics of gas-phase reaction, and on the basis of inheriting the two-dimensional array structure of the precursor, a hierarchical rough morphology is constructed in situ; the prepared cobalt tungstate multistage nanostructure electrode exhibits excellent catalytic activity in the electrocatalytic oxygen evolution reaction in an alkaline medium, the process is simple and the parameters are controllable, and the application has good application prospect.

The utility model discloses a kind of packaging devices for sensor assembly belong to sensor packaging technical field, it includes bottom plate, two sides on the bottom plate are respectively fixedly connected with side plate, first packaging table and second packaging table are equipped between two side plates, the top of second packaging table is equipped with support frame. The packaging device for sensor assembly, first packaging table is driven to be close to packaging mechanism by sliding plate, fixed block then moves second packaging table by slide and sliding rod, when guiding assembly moves to the bottom of guiding groove, second packaging table will drive multiple sliding rods to move down, when guiding assembly moves to the top of guiding groove, second packaging table then moves out the top of packaging mechanism, first packaging table equipped with sensor assembly then moves to the below of packaging mechanism, so operation, the time period of taking and placing sensor assembly on second packaging table, packaging mechanism still keeps normal work, to realize the purpose of continuity to sensor assembly efficiently packaging in turn.

The utility model discloses an intensive bus duct, and particularly relates to the technical production field. The left shell comprises a left shell body, the cross section of the left shell body is arranged to be in a U shape, left clamping plates are fixedly arranged at the two ends of the left shell body, and a fixing groove is formed in the bottom end of the other side of the left shell body. Through the filling material and the heat absorption balls, the conducting bar is wrapped by the filling material, when the conducting bar works to generate heat, the filling material absorbs the heat, the temperature of the conducting bar is reduced, the situation that the conducting bar is on fire due to too high temperature is avoided, and through the spherical heat absorption balls, the contact area with the filling material is increased, the heat dissipation rate is increased, and the service life is prolonged. Water cooling in the heat absorption balls absorbs heat and then is discharged, heat dissipation of water cooling is accelerated through the heat dissipation pipes arranged in the S shape outside the heat absorption balls, and therefore heat dissipation circulation is formed, heat of the wire row can be effectively and rapidly absorbed and transferred, and compared with the prior art, the heat dissipation effect of the wire row is improved.

The application provides a kind of alkali reinforced copper-based material excitation peroxymonosulfate water treatment method and device, it is related to wastewater treatment technical field, the method includes: adding alkali agent, copper-based material, peroxymonosulfate into water to be treated;The alkali agent is sodium hydroxide and / or potassium hydroxide;The copper-based material is copper oxide and / or copper sulfide.The application has the advantages of excellent pollutant treatment effect, mild reaction condition, simple process flow, green environmental protection, energy saving, easy recovery and recycling, etc., realizes the purpose of small dosage of oxidizing agent and catalyst, high utilization rate of oxidizing agent, small amount of metal ion dissolution and pH of effluent reaching standard.

The present invention discloses a photoelectrochemical sensor for detecting and degrading bisphenol A in microplastics, and its preparation and application. A CoO / SCS composite material with photoelectric activity is constructed, and a PEC sensor is constructed based on the CoO / SCS material. Bisphenol A released from microplastics is used as the target for PEC detection. The PEC process converts light energy into electrical energy and chemical energy, reducing the dependence on bias voltage, thereby improving the precision of detection. A photoelectrocatalytic system is constructed to achieve catalytic degradation of bisphenol A by changing the catalytic conditions. The present invention combines the advantages of optical and electrochemical methods, and has the advantages of simple operation, rapid reaction, high sensitivity, etc.

The invention relates to the technical field of catalysts, and particularly discloses a preparation method and application of a supported iridium-based OER catalyst, the supported iridium-based OER catalyst is prepared by adopting an innovative precursor salt double-hydrolysis synthesis method, the synthesis means of the method is simple and controllable, the reaction temperature is controlled to be 60 DEG C, and the reaction time is controlled to be 30 minutes. Compared with a traditional hydrothermal method and an ethylene glycol reduction method, the temperature required by the method is 160 DEG C or above, the method is lower in temperature and more energy-saving, and the method is favorable for obtaining uniformly dispersed ultra-small iridium oxide nanoparticles (2-3 nm). The loading capacity of Ir on a single electrode is 0.014 mg / cm, so that the problem of large use amount of iridium in the existing preparation process is solved, and the production cost is greatly reduced; and the performance of the catalyst is 6 times that of a commercial iridium oxide catalyst, and when the standard potential is 1.6 V, the current density can reach 75 mA cm <-2 >. Through an innovative synthesis strategy, the usage amount of precious metal is effectively reduced, the energy conversion efficiency is improved by the catalyst, and the catalyst has remarkable advantages in the aspects of economy and sustainability.

A composite material for energy storage electrode, characterized in that: the composite material is composed of α-crystalline Fe2O3 and graphene, wherein Fe2O3 is in a hollow tubular structure, formed by the accumulation of Fe2O3 nanoparticles, and graphene is coated on the surface of Fe2O3, and the mass proportion of graphene is between 4.8% and 31.3%. The Fe2O3 hollow tube / graphene energy storage electrode composite material prepared by the present invention effectively avoids serious aggregation of itself, significantly improves the conductivity of the electrode, and Fe2O3 and graphene have a reasonable content ratio, which effectively improves the electrochemical energy storage performance of the material. The electrode prepared by the Fe2O3 hollow tube / graphene composite material has a specific capacitance of 426.3F / g at a current density of 1A / g. When the current density is increased to 20A / g, its specific capacitance is still as high as 219.1F / g, with excellent rate characteristics, and the specific capacitance retention rate after repeated charge and discharge for 10,000 times is still 87.7%, reflecting the excellent cycle stability and durability of the material.

The invention discloses a monatomic Ir loaded Co3O4 material as well as a preparation method and application thereof. The monatomic Ir-loaded Co3O4 material with high stability and high chlorine evolution activity is prepared through simple processes such as two times of electrodeposition, high-temperature heating and the like. The monatomic Ir-loaded Co3O4 material provided by the invention has oxygen vacancies and is of a uniform nanosheet array structure, Ir is in a monatomic form and is uniformly distributed on Co3O4 nanosheets, and the monatomic Ir-loaded Co3O4 material is used for electrochemical chlorine production, is good in chlorine production performance and has excellent stability.

The invention discloses a preparation method of a polypyrrole-nickel-doped cuprous oxide composite material, which comprises the following steps: firstly, growing and preparing nickel-doped cuprous oxide on a conductive substrate by jointly using an electro-deposition method and a hydrothermal method, and then polymerizing a pyrrole monomer on the surface of the nickel-doped cuprous oxide by virtue of an electro-polymerization technology, thereby obtaining the polypyrrole-nickel-doped cuprous oxide composite material. The polypyrrole-nickel doped cuprous oxide composite material is obtained. Nickel doping can induce the energy level of acceptor impurities, the band gap of cuprous oxide is narrowed, then separation and transfer of charges are accelerated, polypyrrole has high near-infrared light absorption capacity, and the light response range of the composite material can be effectively widened. The polypyrrole-nickel doped cuprous oxide composite material is simple in preparation method, has high charge separation efficiency and wide photoresponse range, and has great application value in the fields of photoelectrocatalytic water decomposition and solar cells.

The invention belongs to the technical field of fabric spinning, and particularly relates to smooth and soft elastic yarn and a preparation method and application thereof. Skin short fibers of the yarn are one or more of natural fibers and chemical fibers in a blending mode, and the skin short fibers are made into rough yarn through a pre-spinning process. Yarn cores of the yarns are composite yarns of two or more of polyester fibers, modified polyester fibers, polyamide, spandex and polyolefin. The yarn core participates in core-spun production after being reversely twisted, the yarn is soft, the skin core is not prone to slipping when the whole yarn is woven, the yarn is smooth in surface and soft in hand feeling, fibers on the surface of the yarn are spirally arranged, and the yarn has the style similar to a mooring rope. The woven fabric is smooth and clean in cloth cover, soft in touch, comfortable and elastic, not prone to wrinkling when worn, capable of being worn without ironing after being washed, wide in fabric thickness range, suitable for being worn in four seasons of business and life of people, capable of meeting multiple requirements of comfortable body and face of people, and high-grade, comfortable and elastic.