303results about How to "Improve response" patented technology

The invention discloses piggy creep feed containing composite flavone. The piggy creep feed is prepared from the following raw materials in parts by weight: 13 to 20 parts of expanded corn, 10 to 25 parts of corn, 6 to 13 parts of broken rice, 8 to 12 parts of flour, 8 to 15 parts of whey mist, 3 to 8 parts of soy protein concentrate, 5 to 10 parts of extruded soybean, 0.7 to 3 parts of soya-bean oil, 7 to 12 parts of 46.5-percent bean pulp, 2 to 5 parts of fish meal, 2 to 5 parts of plasma protein powder, 0.3 to 0.7 part of mountain flour, 0.5 to 1.0 part of calcium hydrophosphate, 0.05 to 0.5 part of lysine, 0.05 to 0.3 part of threonine, 0.1 to 0.3 part of sodium chloride, 0.1 to 0.8 part of compound flavone premix compounds, 0.15 to 0.3 part of zinc oxide, 0.03 to 0.06 part of calcium propionate, 0.02 to 0.04 part of ethoxyquin and 1.0 part of suckling pig premix compounds. The invention also discloses a preparation method. The intestinal tract health and the production performance of weaned pigs can be improved.

The invention discloses a catalyst used for preparing acrylic acid and butyl ester by the dehydration of butyl lactate and a preparation method thereof. The catalyst is a composite catalyst, comprising a main catalyst A and auxiliary catalysts B, C, D and E, wherein, A is calcium sulphate, B is sulphuric acid, C is phosphate, D is alkaline matter and E is promoter. The preparation method comprises the steps as follows: five compositions A, B, C, D and E are sufficiently mixed, baked for 2-10 hours at the temperature of 200-800DEG C and formed for standby. The catalyst has high catalytic activation; under the catalysis of the catalyst, the molar yield reaches 75.1 percent and the molar selectivity of the acrylic acid and butyl ester reaches 71.5 percent. The preparation method has the advantages that the crystal structure of the main catalyst can be improved so as to be beneficial for carrying out the reaction; and the introduction of different auxiliary catalysts and quantities is helpful to improve the conversion ratio of the raw material and the product selectivity and is beneficial for improving the strength of the catalyst.

Methods and kits are provided for diagnosing of neuropsychiatric syndromes concurrent with SLE (NPSLE) and for determining whether an SLE subject is at risk of developing a neuropsychiatric disease.

The invention discloses a rare-earth metal arylamine group compound as well as preparation method and application thereof. The invention discloses the rare-earth metal arylamine group compound which is characterized in that a general formula of the rare-earth metal arylamine group compound is (2,6-R12PhNH)5LnLi2(THF)2, wherein Ln is a rear-earth metal selected from one of neodymium, samarium, ytterbium or yttrium; R1 is selected from one of hydrogen, methyl or isopropyl. The rare-earth metal arylamine group compound has the advantages that the rare-earth metal arylamine group compound has a definite structure; raw materials used in the preparation method are simple, easily obtained and cheap; the reaction process is simple and easily operated; the rare-earth metal arylamine group compound product is conveniently purified and the yield of the product is high; the rare-earth metal arylamine group compound has a high activity when acting as a single component catalyst to catalyze a hydrogen phosphine reaction of aldehyde or ketone and phosphite ester; the use amount of the catalyst is less; the yield is high; a substrate has wide universality; a new and simple method is provided for synthesis of a-hydroxyphosphonate.

The invention discloses an ROS-responsive prostate cancer targeting prodrug as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The prodrug is formed by covalently linking a prostate cancer targeting peptide SYEELR, a ROS (reactive oxygen species) response type ketal thiol (TK) connexon and an active molecule Devimistat. The preparation method comprises the following two steps: firstly, coupling Devimistat with a TK linker to obtain an intermediate Dev-TK, and then coupling the intermediate Dev-TK with an SYEELR peptide fragment to obtain a target product. The prodrug can specifically break and release Devimistat in a tumor high active oxygen microenvironment, and active targeting delivery is realized by virtue of the SYEELR peptide. The invention provides a novel prostatic cancer treatment strategy with accurate targeting, controllable release, enhanced curative effect and toxicity reduction potential.

The present application belongs to the technical field of aluminate binder production, and particularly relates to a preparation method of aluminate binder. Main raw materials of aluminum hydroxide, calcium chloride, calcium oxide and aluminum oxide are used, accurate and fine batching is carried out according to the corresponding chemical composition of the mineral phase composition, and wet grinding is carried out by using a ceramic grinding process, so that the super-micro powder raw material with extremely high fineness and extremely high homogenization degree can be obtained. After the powder is subjected to pressure filtration separation, the powder is subjected to drying treatment, and then the automatic forming equipment is used to press the raw material blank into the tunnel kiln for calcination. After the calcined blank is crushed and ground, the aluminate binder is finally prepared.

The utility model provides a dry desulfurization and denitrification reactor. The dry desulfurization and denitrification reactor comprises a bottom plate; the supporting frame is fixedly connected to the top of the bottom plate, a first-stage reaction barrel is installed at the top of the supporting frame, a plurality of first arc-shaped retarding plates are alternately installed in the first-stage reaction barrel, an air inlet pipe is installed at the bottom of the first-stage reaction barrel, and a connecting pipe is installed at the top of the first-stage reaction barrel; a second-stage reaction barrel is mounted at the top of the first-stage reaction barrel through a mounting frame, a plurality of second arc-shaped retarding plates are alternately mounted in the second-stage reaction barrel, and medicament conveying structures are mounted at the tops of the first-stage reaction barrel and the second-stage reaction barrel. According to the dry desulfurization and denitrification reactor provided by the utility model, dual reaction is adopted through the design, and the arc-shaped retarding plate and the mixing frame are matched to enable flue gas to uniformly flow in the reaction barrel to form turbulent flow, so that the sufficient reaction of sulfur nitrate in the flue gas and an absorbent is improved, and the desulfurization and denitrification effect is improved.

The utility model relates to the technical field of reaction pots, in particular to a medical intermediate reaction pot. The reaction kettle has the advantages that hot water can be injected into the rotating pipe and the rotating communicating water tank through the water inlet connecting pipe, the hot water is input into the heat exchange water tank through the communicating pipes, heat is conducted to the heat conduction rods through the interior of the heat exchange water tank, and the heat conduction rods conduct the heat to medicine intermediates in the reaction kettle body; then backflow water is discharged through a rotating water return pipe, a multi-way connecting pipe and a drainage connecting pipe, circulating flowing of hot water is achieved, heating is more uniform, a rotating pipe rotates to drive a rotating communicating water tank and a plurality of communicating pipes to rotate around, and a heat exchange water tank and a plurality of heat conduction rods are driven to rotate and revolve around the heat conduction rods at the same time; the heating uniformity is further improved, the drug intermediates in the reaction pot body can be uniformly stirred through the rotation and revolution of a plurality of heat conducting rods while uniform heating is performed, and the reaction effect is improved.

The utility model relates to a chloroacetic acid production device for processing glycine, which is characterized in that an interlayer is arranged in the outer wall of a chlorination kettle, the side end is connected with a liquid level meter a, and a discharge pipe is arranged on the lower surface; a radar liquid level instrument, a chlorine feeding pipe, an on-line component analyzer, an on-line thermometer, an on-line hydrometer, a condensation pipe, a catalyst filling pipe and an acetic acid feeding pipe are sequentially arranged on the upper surface, the lower end of the chlorine feeding pipe is connected with a gas distributor, and the condensation pipe is externally connected with a condenser; the catalyst filling pipe is externally connected with a catalyst metering tank; a liquid level meter b is connected to the side end of the kettle body, a discharging pipe is arranged on the lower surface of the kettle body, a water supplementing pipeline is connected to the right side of the upper surface of the kettle body, a liquid inlet pipe and an online moisture measuring device are arranged on the left side of the upper surface of the kettle body, and the liquid inlet pipe is communicated with the discharging pipe; the upper end of the stirrer is connected with a stirring motor, and the lower end is connected with a frame-type stirring paddle; the utility model has the advantages of reasonable structural design and good use effect.

The invention relates to the technical field of hydrometallurgy, and provides a method for cleanly extracting vanadium from vanadium slag based on dolomite. According to the method, dolomite is adopted to replace a traditional calcification or sodium salt roasting auxiliary agent to co-roast the vanadium slag, and vanadium in the vanadium slag is roasted through two-step temperature control to be converted into acid-soluble calcium magnesium vanadate roasting clinker. The roasting clinker is subjected to acid leaching to obtain vanadium liquid, the vanadium liquid is subjected to deep impurity removal through a magnesium ammonium phosphate precipitation method, ammonium sulfate is added into the vanadium liquid, the pH value is adjusted, acid ammonium salt vanadium precipitation is conducted, and ammonium polyvanadate is obtained. And washing, filtering, drying and calcining the ammonium polyvanadate to obtain high-purity powder vanadium pentoxide or melting and casting to obtain high-purity tablet vanadium pentoxide. Vanadium precipitation wastewater is subjected to reduction treatment, lime neutralization and solid-liquid separation and then is reused in a leaching system, and cyclic utilization of ammonium salt and water resources is achieved. By means of the technical scheme, the problem that in the related technology, the vanadium leaching rate is low is solved.

The utility model discloses a kind of polyamide polymerization device, including base, polymerization bucket body, stirring mechanism, feeding mechanism and reset component. Fixed with mounting groove on base. Stirring mechanism includes: main shaft and multiple stirring rods, feeding mechanism includes: a pair of feed inlet, a pair of rotating shaft, a pair of sealing plate, straight gear and intermittent gear. A pair of feed inlet is excavated in polymerization bucket body top, and a pair of feed inlet is respectively equipped with hopper, feed pipe. A pair of rotating shaft rotationally set in polymerization bucket body top, and rotating shaft upper end is fixed with control rod. A pair of sealing plate is fixed in the one end of rotating shaft set in polymerization bucket body, and sealing plate covers in feed inlet bottom. Straight gear and intermittent gear are respectively fixed on rotating shaft and main shaft, and straight gear and intermittent gear are engaged with each other between. The utility model is added by relevant structure design, realizes the successive addition of material in stirring process, to effectively improve the uniformity of stirring, improve the reaction effect to material.

The utility model relates to the technical field of waste liquid treatment equipment, in particular to an automatic collecting and stirring treatment tank body for waste liquid, which comprises a stirring treatment tank body, the stirring treatment tank body comprises a tank body, a waste liquid collecting module, a stirring module, an automatic control module and a discharge module; a waste liquid inlet and an exhaust port are formed in the top of the tank body; the waste liquid collecting module is connected to the waste liquid inlet and used for automatically collecting and conveying waste liquid into the tank body; the stirring module comprises a driving device, a stirring shaft and stirring blades, the stirring shaft penetrates through the top of the tank body and extends into the tank body, the stirring blades are arranged at the bottom of the stirring shaft, and the driving device is used for driving the stirring shaft to rotate. The liquid level sensor monitors the liquid level in real time; the stirring module adopts a multi-layer adjustable paddle structure, so that sufficient stirring is ensured; the bottom conical structure is matched with the discharging module, and safe discharging is achieved.

The application discloses a cyanide-containing slag tailing pond groundwater environment risk early warning system, a groundwater monitoring well subsystem comprises a plurality of groundwater monitoring wells; a timing sampling control subsystem is used for controlling the pumping time, flow and frequency of a water pump in each groundwater monitoring well; a color reaction subsystem comprises a color developing device and is used for monitoring the color developing reaction of the groundwater sample; a color sensing subsystem comprises a light source and a color sensor, the light source is irradiated towards the color developing device, and the color sensor is used for collecting the emergent light signal of the color developing device after the color developing reaction; a central control platform comprises an early warning subsystem and an emergency disposal response subsystem, the early warning subsystem receives the color sensor signal and divides the risk grade according to the obtained signal; the emergency disposal response subsystem executes corresponding detection and repair responses according to the risk grade made by the early warning subsystem; the application realizes the rapid detection of the cyanide content in the groundwater around the cyanide-containing slag tailing pond and the feedback and early warning of the environmental pollution risk grade.

This invention discloses a multifunctional anchor bolt support device, comprising: a base, a first hollow shaft, a second hollow shaft, a grouting shaft, a drive component, and a transmission assembly. The first hollow shaft is rotatably mounted on the base and sleeved around the second hollow shaft. Rotation of the first hollow shaft can drive the second hollow shaft to move along its length. The second hollow shaft is sleeved around the grouting shaft and can rotate unidirectionally relative to the grouting shaft. The grouting shaft has multiple fluid channels respectively communicating with the central through-hole of the first hollow shaft. The drive component is mounted on the base and connected to the first hollow shaft via the transmission assembly to drive its rotation. This multifunctional anchor bolt support device avoids the fluid channels rotating relative to the surrounding environment during operation, making the fluid channels suitable for conveying easily reactive and volatile fluid media.

The present application relates to the production field of organic chemical raw material cyclohexene, and discloses a production method of cyclohexene.The method comprises the following steps: carrying out cracking reaction on cyclohexylbenzene and / or dicyclohexylbenzene raw material and a solid acid catalyst to obtain cyclohexene and benzene; and the solid acid catalyst is selected from at least one of amorphous silicon aluminum, molecular sieve and solid supported inorganic acid.The method has the advantages of high raw material conversion rate, high cyclohexene yield and no by-product cyclohexane, etc.

The application provides a preparation method of a benzaldehyde aniline compound and relates to the technical field of organic synthesis. The preparation method provided by the application comprises the following steps: in a solvent, with an alkali as a promoter, under an atmosphere with an oxygen concentration of 20v100%, the temperature of a reaction system is controlled to be 50-70 DEG C, a diphenyl ketone compound I is reacted with an aniline compound II to generate a benzaldehyde aniline compound III, and the reaction product is subjected to column chromatography separation to obtain a pure benzaldehyde aniline compound III. The method has the beneficial effects that the reaction is simple, green and environment-friendly, the use of an expensive transition metal catalyst is avoided, the reaction condition is mild and controllable, and an environment-friendly byproduct is generated.

The application relates to the technical field of waste heat recovery, and discloses a phosphorus trichloride reaction waste heat recycling device, which comprises a base, a reaction kettle and an energy storage box are fixedly installed at the top of the base, the reaction kettle is located at the left side of the energy storage box, a function box is fixedly installed at the top of the reaction kettle, the same piston cylinder is fixedly installed at the top of the energy storage box and the right side of the function box, a motor is fixedly installed on the top inner wall of the function box, a stirring mechanism is arranged in the reaction kettle, a feeding pipe is arranged at the left side of the reaction kettle, a jacket is arranged outside the reaction kettle, and an oil feeding pipe is arranged at the left side of the jacket. The application has the following advantages and effects: the piston mechanism is arranged, when the piston plate slides to the right, gas is pressed into water in the energy storage box through the breather pipe, the water is uniformly heated by the water disturbance in the process of the bubble rising and breaking in the water, and the purpose of avoiding the situation that the local water temperature is too high or too low can be achieved.

The application discloses a preparation method of Al / NH4CuF3 metastable intermolecular complex. The method is characterized in that: firstly, NH4CuF3 with a nano-network structure is prepared through a solvothermal reaction; then, n-Al is filled into the nanopore channels of the NH4CuF3 in a manner of ultrasonic-assisted dispersion, so as to form n-Al / NH4CuF3 MICs with good dispersity. The n-Al / NH4CuF3 MICs prepared by the method can etch a passivation layer and reduce the reaction energy barrier of the aluminum powder and an oxidizing agent, depending on the low-temperature decomposition of the NH4CuF3 to release F and the thermal decomposition of the NH4CuF3 to generate HF. In addition, a large amount of gaseous products are generated by the decomposition of the NH4CuF3, so that the generation of a reaction sintering phenomenon is relieved, and the combustion efficiency of the n-Al is improved.

This invention discloses an ultra-high strength and plasticity three-dimensional multi-level hybrid heterogeneous titanium-based composite material and its preparation method. The method includes: 1. performing a flow friction coating treatment on titanium alloy powder and modified amorphous cracked carbon with high active sites; 2. performing a flow friction coating treatment on modified high active and highly dispersed boron source; 3. low-temperature short-time high-pulse current-assisted vacuum hot pressing sintering; 4. multiple non-constant rate hot deformation treatments. This invention uses modified amorphous cracked carbon with high active sites and modified high active and highly dispersed boron source as reinforcing phase precursors to sequentially coat a titanium alloy powder matrix. Combined with sintering and hot deformation treatments, a multi-level, multi-scale, and multi-heterogeneous phase structure is constructed in four dimensions to obtain a three-dimensional multi-level hybrid heterogeneous titanium-based composite material, which exhibits ultra-high strength and plasticity, with a tensile strength of 1430 MPa to 1605 MPa and an elongation of 7.5% to 9%.

The application discloses a kind of hydrofining catalyst and its preparation method and application.The method includes the following contents:(1) selecting or preparing alumina 1, introducing hydrogenation active metal into alumina 1;(2) selecting or preparing alumina 2, introducing hydrogenation active metal into alumina 2;(3) the material obtained in step (1) and the material obtained in step (2) are kneaded into final hydrofining catalyst;Wherein, the average pore size of alumina 1 is lower than the average pore size of alumina 2.The hydrofining catalyst prepared by the method can realize deep desulfurization for diesel oil raw material.

The application discloses a method for preparing high-purity tellurium dioxide powder from waste tellurium dioxide target material, comprising the following steps: step one, crushing the waste tellurium dioxide target material to obtain tellurium dioxide pre-crushed material; step two, ball-milling the tellurium dioxide pre-crushed material and drying to obtain tellurium dioxide powder; and step three, purifying the tellurium dioxide powder to obtain high-purity tellurium dioxide powder. 131 The application solves the problems of traditional powderization process, such as serious powder agglomeration, wide particle size distribution, easy introduction of impurities and poor industrial applicability, and the prepared powder can be directly applied to the production of tellurium dioxide target material, and the method can also be applied to the preparation of tellurium dioxide single crystal, infrared acousto-optic devices and electronic component materials, and has excellent industrial application prospect.

The utility model belongs to the technical field of micro-channel reaction equipment, and particularly discloses a micro-channel reactor which comprises a cooling water pipe, a feeding pipe, a plurality of U-shaped pipes and a discharging pipe, the cooling water pipe is communicated with a plurality of water feeding pipes, each water feeding pipe is communicated with two water feeding branch pipes, the plurality of U-shaped pipes are sequentially communicated in an S shape, and the discharging pipe is communicated with the U-shaped pipes. Each water feeding branch pipe is communicated with the connecting position of the corresponding U-shaped pipe, each U-shaped pipe is composed of a jacketed pipe and an inner pipe, the jacketed pipes are connected to the inner pipes in a sleeved mode, the feeding pipe, the discharging pipe and the U-shaped pipes are all communicated with water return pipes, each water return pipe is provided with a water return thermometer and a water return valve, and the connecting position of each U-shaped pipe is provided with a water feeding thermometer. The micro-channel reactor can effectively improve the reaction uniformity, stabilize the pressure and improve the production safety, the design of the jacketed pipe can effectively reduce heat loss and maintain the heat balance of a reaction system, cooling water enters the multiple branch pipes synchronously, and the stability of the temperature and the pressure of the inner pipe can be maintained.

The utility model relates to the technical field of smoke detection, in particular to a petrochemical production reactor capable of adjusting the filling height of a catalyst. The catalyst bed height adjusting assembly comprises a servo motor, a transmission rod, an adjusting screw rod, a pressing bracket, a sealing disc and a sealing ring; the starting end of the transmission rod is connected with an output shaft of the servo motor, and the tail end of the transmission rod is connected with a first bevel gear. The adjusting screw rod is sleeved with a second bevel gear. The bevel gear II is meshed with the bevel gear I; the second bevel gear is fixed to an inner ring of a second bearing, and an outer ring of the second bearing is fixed to the inner wall of the inlet end sealing head through a support. And the bottom end of the adjusting screw rod is rotationally connected with the pressing bracket. By reasonably controlling the filling height of the catalyst, the reaction materials can be in full contact with the catalyst, the reaction conditions are optimized, and the reaction effect is improved.

This invention relates to anti-PD-1 antibodies and methods of using them in treating diseases and conditions related to PD-1activity, e.g., cancer.

The application relates to a method for automatically setting a code reading device and a camera-based code reading device. A method for automatically setting a code reading device (10, 38) is given, which has an image sensor (18) and a control and evaluation unit (24, 38), wherein an example image of an example object with an example code arranged in a field of view (14) of the image sensor (18) is recorded using the image sensor (18), and at least one recording parameter and / or at least one decoding parameter for operating the code reading device (10, 38) are determined on the basis of an evaluation of the example image. Here, a further example image is generated from the example image by a computational change, and the at least one recording parameter and / or the at least one decoding parameter are determined on the basis of an evaluation of the further example image.

This invention relates to the field of water remediation technology, specifically to a piezoelectric catalytic component and a groundwater remediation system. The piezoelectric catalytic component includes: an upper part of a piezoelectric catalytic body with a spiral channel communicating with an inlet, and a lower part with a cavity; the cross-sectional diameter of the spiral channel gradually decreases from the inlet to the end; a column is provided in the cavity, and a piezoelectric film is spirally wound around the column; the end of the spiral channel is close to the piezoelectric film at the upper end of the column; the piezoelectric film receives water containing organic pollutants flowing in from the spiral channel and catalytically degrades the organic pollutants through piezoelectric conversion; this application combines the static pressure of the water flow, accelerates the water flow through the spiral channel, the flow velocity gradually increases from top to bottom, the hydraulic impact load is correspondingly enhanced, the mechanical force flowing through the piezoelectric film is increased, low-frequency vibration excites the piezoelectric catalytic effect, maximizes the catalytic degradation capacity of the piezoelectric material, and thus improves the catalytic degradation efficiency of the piezoelectric material.

An antibody for use in an immunoassay method, the antibody comprising an Fc region, wherein at least part of a glycan comprised in the Fc region has been removed.

The application provides a high and low temperature resistant modified PBS material, a preparation method and an application. The modified PBS comprises the following raw materials in parts by weight: succinic acid: 100 parts; 1,4-butanediol: 110-130 parts; norbornene dimethylol succinic acid prepolymer: 15-30 parts; polyethylene glycol: 5-15 parts; a catalyst: 0.05-0.2 parts; an antioxidant: 0.1-0.5 parts; wherein the number average molecular weight of the norbornene dimethylol succinic acid prepolymer is 1000-2000 g / mol; and the number average molecular weight of the polyethylene glycol is 500-2000 g / mol. By introducing rigid norbornene bicyclic structure and flexible polyethylene glycol segments through chemical bonding, the high and low temperature performance of the PBS is synergistically improved, the modified PBS material can maintain stable mechanical properties in the range of-20 DEG C to 130 DEG C, meanwhile, the modified PBS material has excellent biodegradability, compatibility and processing performance, and the preparation process is simple and controllable, and is suitable for industrial large-scale production.

The present application relates to a kind of surface layer silicon source enrichment type ablation-resistant prepreg and its preparation method.The method first uses the inner impregnation solution containing boron phenolic resin and curing agent to impregnate quartz fiber fabric and discharge, and forms main body impregnation layer;Then the surface is treated with surface back wetting liquid containing boron phenolic resin and superfine silicon powder, and the maturation below gel temperature is obtained after discharge and lowing, to obtain ablation-resistant prepreg.The method can make superfine silicon powder more stably arranged in surface layer area, form boron-containing silicon vitrification protective structure in the ablation process, and improve the problem of local ablation deepening in edge area.

The utility model relates to the field of nitrogen making machines, in particular to an efficient molecular sieve adsorption type nitrogen making machine. The device comprises a reaction cylinder, and an inner cylinder is fixedly connected to the interior of the reaction cylinder. The conical filter plate in the treatment mechanism is in a big-end-down shape, impurities in gas can be effectively filtered out, the unique shape of the conical filter plate can guide the impurities to slide to the flow guide groove along the inclined face, then the impurities are collected in a centralized mode through the collecting cavity, the impurities are prevented from entering the inner cylinder to affect the performance of the molecular sieve, and the purity of gas treatment is guaranteed; the nitrogen generation efficiency and quality are improved; moreover, the driving motor drives the conical filter plate to rotate, so that the gas treatment efficiency and quality of the nitrogen making machine can be remarkably improved, the contact frequency of the surface of the conical filter plate and impurities in the gas is greatly increased in the rotating process, and the impurity intercepting effect is remarkably enhanced; and meanwhile, the impurities are promoted to move towards the edge of the filter plate and slide to the diversion trench along the inclined surface due to the centrifugal force.