14results about How to "Structure order" patented technology

The invention discloses an array server configuration method suitable for AIPC and a server, and relates to the field of server configuration.The method comprises the steps that calculation demand characteristics of a target application scene are obtained, and the calculation demand characteristics comprise the single-machine calculation power demand, the network interconnection demand and the storage capacity demand; calculating the number of target computing power modules according to the single-machine computing power demand, and calculating the number of target storage modules according to the storage capacity demand; constructing a server topology model according to the calculation demand characteristics, and calculating an estimated flow of data transmission between modules in the server topology model according to the server topology model; according to the number of the target computing power modules, the number of the target storage modules and the estimated flow, a server layout mode comprising the computing power modules, the storage modules and the network switching module is determined in a server topology model, and by implementing the method, the resource allocation balance of the array server can be improved.

The present invention belongs to the field of cellulose synthesis, and specifically relates to a heterologous expression Escherichia coli biosynthesis system of cellulose synthase subunits PtCesA1 and PtCesA8 and its application, including a heterologous expression vector of cellulose synthase subunit PtCesA1 or a heterologous expression vector of cellulose synthase subunit PtCesA8; and a heterologous cell containing the above vector. PtCesA1 and PtCesA8 are expressed in heterologous cells respectively to form cellulose synthase, which is used to catalyze the synthesis of cellulose microfibrils. The present invention realizes the biosynthesis of cellulose in vivo, and directly synthesizes a cellulose product with high purity similar to plants and free of lignin and hemicellulose from the bacteria by heterologously expressing plant cellulose synthase subunits in Escherichia coli.

The invention discloses a fuel cell gas diffusion layer capable of realizing gas-liquid separation transmission and a preparation method thereof, the gas diffusion layer comprises a main body, a plurality of through holes are vertically arranged on the main body according to a preset arrangement rule, and the through holes comprise large through holes and small through holes; the large through hole is an air inlet channel, and the small through hole is a drainage channel; the air inlet channel and the water drainage channel are arranged in a mutually separated mode. And by designing the pore size, water generated by reaction can be preferentially discharged in time through a water path, so that timely supply of fuel gas is guaranteed, separated transmission of gas and product water is ensured, and the durability and stability of the battery are improved.

The air fryer comprises a machine shell and a reflecting cover, the reflecting cover divides the inner space of the machine shell into a heating cavity and a heat dissipation cavity, a hot air fan and a heating piece are arranged in the heating cavity, a motor for driving the hot air fan and a heat dissipation fan connected with the motor are arranged in the heat dissipation cavity, and an air inlet communicated with the heat dissipation cavity is formed in the machine shell. An air guide cover and a plurality of air guide ribs located on the periphery of the air guide cover are further arranged in the heat dissipation cavity, the air guide cover is provided with an air guide inlet and an air guide outlet communicated with the outside atmosphere, the heat dissipation fan is arranged in the air guide cover, a heat dissipation air channel is formed between every two adjacent air guide ribs in the multiple air guide ribs, and the heat dissipation air channels are communicated with the air inlet and the air guide inlet. Air flow extracted by the rotating cooling fan through the air inlet sequentially flows through the cooling air channels and the air guide cover and then is exhausted through the air guide outlet. According to the air fryer, the airflow short circuit phenomenon is effectively reduced, the problem of high temperature of a local area is solved, the heat dissipation effect is improved, and the machine surface temperature is reduced.

The invention relates to the technical field of hard carbon materials, and particularly discloses an asphalt-based microcrystalline hard carbon material as well as a preparation method and application thereof. The preparation method comprises the following steps: in an inert atmosphere, carrying out thermal polycondensation reaction on low-temperature asphalt at the temperature of 300-550 DEG C and the pressure of 0.01-10 MPa to obtain mesophase asphalt; the softening point of the low-temperature asphalt is 18-48 DEG C; in an oxygen-containing atmosphere, carrying out oxidation crosslinking on the mesophase pitch to obtain a hard carbon precursor; and performing carbonization treatment on the hard carbon precursor in an inert atmosphere to obtain the asphalt-based microcrystalline hard carbon material. According to the preparation method, the low-temperature pitch is creatively used as a raw material, the size of carbon microcrystals is convenient to regulate and control, the cost is low, the mesophase pitch with a certain carbon microcrystal structure is formed through thermal polycondensation, the mesophase pitch is subjected to oxidation crosslinking, the interlayer distance of carbon layers is enlarged, and finally the pitch-based microcrystal hard carbon material with high capacity, high rate and long circulation is prepared. The method has high market application value.

This utility model discloses an agricultural product processing equipment. A baffle is provided on both sides of the upper surface of the base plate to enclose vegetables. A closed box is located between the baffles to enclose the components. A transmission component is located below the inside of the baffle. A processing component is located on one side of the upper surface of the base plate, with electric telescopic rods on both sides in the middle. The telescopic ends of the electric telescopic rods are connected to limiting plates. The output shaft of the drive motor in the processing component is connected to a cam. Rollers abut against both sides of the cam, and the rollers rotate in the middle of a connecting block. Guide blocks are located on both sides of the connecting block and slide above them. The output shaft of the rotary motor of the transmission component is connected to a bevel gear set. A transmission rod passes through the other side of the bevel gear set and connects to a pulley. The two pulleys are connected by a conveyor belt located inside the baffle. A sprocket is located near the bevel gear set on the side of the pulley, and the two sprockets are connected and meshed by a chain. A cutting blade is bolted to both ends of the connecting block. A processing door is located on the side of the baffle near the processing component, and the cutting blade slides inside the processing door for cutting.

The invention discloses a membrane separation and purification device for ethylene glycol production, and relates to the technical field of membrane separation, the membrane separation and purification device comprises a fixed pressing plate, a movable pressing plate, a plurality of layers of liquid inlet assemblies and membrane separation assemblies, and the liquid inlet assemblies and the membrane separation assemblies are alternately stacked between the fixed pressing plate and the movable pressing plate; the hollow shaft penetrates through the liquid inlet assemblies and the membrane separation assemblies which are arranged in a multi-layer stacking manner; the rotary liquid distribution mechanism is arranged in the liquid inlet area; the central vibration generating mechanism is arranged in the separation area and synchronously operates with the hollow shaft; and the plurality of edge vibration generating mechanisms are uniformly distributed in the separation area and synchronously operate with the hollow shaft. Annular vibration waves generated by the center vibration generation mechanism and radial vibration waves generated by the edge vibration generation mechanism are spread on the membrane supporting net plate and the attached separation membrane and interfere with each other, so that attached or to-be-attached pollutant particles are loosened and stripped; and the on-line and active anti-pollution capability of the device is enhanced.

The invention belongs to the technical field of solid waste recycling. The invention discloses a method for realizing high-value recycling of secondary aluminum ash and synchronous deep defluorination and dechlorination by utilizing hydrothermal synthesis. The method comprises the following steps: firstly, pretreating secondary aluminum ash, then preparing the pretreated secondary aluminum ash and water into slurry, and adding a specific defluorinating agent and a dechlorinating agent into the slurry to construct a synchronous reaction system; the system is subjected to hydrothermal reaction under high-temperature and high-pressure conditions, so that fluorine and chlorine elements are respectively fixed and converted into stable compounds. Solid-liquid separation is carried out after the reaction is completed, an obtained solid product can be used as a raw material for preparing a zeolite molecular sieve or an aluminum-based material, and salt is recovered from a liquid part through evaporative crystallization. According to the method, deep removal of harmful elements and a high-value recycling process of beneficial components are coupled to a single hydrothermal system, and efficient harmless and high-value recycling utilization of the secondary aluminum ash is achieved.

The application discloses a hydrothermal carbon / ZSM-5 molecular sieve composite and a synthesis method and application thereof. The hydrothermal carbon / ZSM-5 molecular sieve composite comprises hydrothermal carbon and ZSM-5 molecular sieve, wherein the hydrothermal carbon is obtained by in-situ conversion of a small-molecule carbon source under hydrothermal conditions, is SP2O with 2theta=26.6°, and has a mass content of 0.5% to 5% in the composite. 2 The hydrothermal carbon / ZSM-5 molecular sieve composite has high activity and low deactivation rate when used as a catalyst in an isopropyl benzene cracking reaction.

The invention discloses a preparation method of a starch-lipid compound, and relates to the technical field of food processing. Comprising the following steps: S1, preparing a turbid liquid from amylose or a mixture of amylopectin and amylose and distilled water to form a starch emulsion with the mass percent of 30%, and stirring for 1 hour in a water bath at 80 DEG C by using a water bath magnetic stirrer; s2, taking safflower seed oil, dissolving the safflower seed oil in hot absolute ethyl alcohol, adding the solution into the starch paste in the step S1, and stirring in a water bath for 1 hour; and S3, slowly cooling the obtained sample to room temperature, taking out the prepared sample, washing twice with ethanol-water, centrifuging, and drying, crushing and sieving the obtained solid matter. The invention provides a green and efficient method for preparing the starch-lipid compound, and the method is simple to operate and beneficial to large-scale industrial production.

The invention discloses a molten metal methane cracking hydrogen production method based on refractory particulate matter reinforcement, and belongs to the technical field of methane cracking hydrogen production. The molten metal methane cracking hydrogen production method provided by the invention comprises the following steps: adding refractory particles into a molten metal phase and uniformly dispersing to form a solid-liquid mixed reaction system; the refractory particles are selected from at least one of carbon black, activated carbon and tungsten particles; and introducing methane into the solid-liquid mixed reaction system, and carrying out cracking reaction to generate hydrogen and a solid carbon product. According to the method, the refractory particles selected from carbon black, activated carbon and tungsten particles are uniformly dispersed and added into the molten metal phase, so that the conversion per pass of methane and the selectivity of hydrogen are greatly improved, meanwhile, the morphology of the generated solid carbon product is regulated and controlled, and a carbon material which is more ordered in structure and higher in additional value can be obtained.

The invention relates to the technical field of bio-based fiber materials, and provides a chemically recyclable PLLA fiber with high crystallinity and a preparation method thereof.The preparation method comprises the steps that bio-based pearl layer calcium carbonate extracted from common mussels is treated with a silane coupling agent and then evenly mixed with PLLA master batches according to different mass ratios, granulation is conducted again, and calcium carbonate modified PLLA composite master batches are obtained; the composite master batch is subjected to vacuum drying and then extruded from a spinneret plate of a melt spinning machine, PLLA nascent fibers are obtained, the PLLA nascent fibers are subjected to drafting and heat treatment, and the high-crystallinity PLLA fibers are obtained. The PLLA fiber prepared by the method has the advantages of high crystallinity, good thermal stability, biodegradability and chemical cycle performance. The fabric can be used in textile, clothing and medical fields. The problems that a conventional chemical fiber material cannot be degraded and is harmful to the environment are solved, and meanwhile the problems that a conventional polylactic acid material is low in crystallinity, poor in thermal stability and strength and recyclable are solved.

The present invention belongs to the technical field of resource utilization of textile waste and preparation of carbon fiber composite catalyst, and provides a metal-supported carbon fiber catalyst prepared by using textile waste, and its preparation method and application. The textile waste is first activated with H3PO4, impregnated with a metal salt solution, and then dried and calcined at high temperature under an inert atmosphere to obtain a metal-supported carbon fiber catalyst. A metal-supported carbon fiber catalyst is prepared by a one-step calcination method, and is applied to activate persulfate to efficiently degrade refractory organic pollutants in wastewater. The obtained material has a high specific surface area and abundant oxygen-containing functional groups, and the metal active components are uniformly dispersed on the surface of the carbon fiber in the form of C‑O‑R bonds, forming a poor / rich electron center on the catalyst surface. The catalyst can better adapt to the complex conditions of wastewater, and exhibits ultra-high catalytic degradation activity for a variety of pollutants under different anion interferences and different environmental conditions. It has the advantages of low cost, simple process, high processing efficiency, good adaptability, etc.

The invention belongs to the field of high-molecular compounds, and particularly relates to a thermocrosslinkable polyisobutylene block copolymer with a regular structure and a preparation method thereof. The preparation method comprises the following steps: firstly initiating polymerization of a first monomer IB through active / controllable cationic polymerization, then adding an end-capping reagent for end capping to obtain a stable PIB+ active center, and then adding a regulator to regulate the Lewis acidity and reaction activity of the system; and then adding a second monomer 4-VBCB to continue the polymerization reaction to prepare the polyisobutylene-based copolymer. The polyisobutylene-based copolymer disclosed by the invention has good mechanical properties after thermal crosslinking.