96results about How to "Reduce intermediate steps" patented technology

The invention discloses a system for internet user authentication and a method for internet user authentication. The system for the internet user authentication comprises a user terminal, a website server, an internet protocol (IP) address distribution identifying unit, an information collecting unit and an identification server. The identification server obtains a corresponding relationship between the IP address of the user terminal and the user identification information; the website server sends the terminal IP address to the identification server, obtains the user identification information corresponding to the IP address, and compares the user identification information with a verification method and registration data used when the user is registered; if the user identification information is in accordance with the association between the verification method used when the user is registered and the user identification information used when the data is registered, then the user verification is successful. The authentication method provided by the invention is simple, and high in accuracy and safety, wide in applicablescope.

The invention discloses a priplast and a preparation method thereof. The priplast has an acid value ranging from 0.5 to 4mgKOH / g and a hydroxyl value ranging from 60 to 500mgKOH / g. The preparation method is characterized by a simple and convenient operation and stable product performances. In the preparation method of the invention, the dimer acid reacts with the polyol under the protection of the nitrogen under the circumstance of the existence of a catalyst and a water-carrying agent and finally the small molecule substances are removed by steaming on the condition of the vacuum distillation and the tannish priplast is obtained after the product is cooled down under the vacuum state.

The process of preparing composite particle of hollow nanometer conductive polypyrrole-silica ball includes the following successive steps: adding pyrrole monomer and nanometer silica ball into deionized water and dispersing ultrasonically; and introducing initiator to react at 100-180 deg.c to obtain the composite particle. Compared with available technology, the process of the present invention has the advantages of less intermediate steps, low cost, capacity of obtaining product with high size homogeneity and controllability, and other advantages.

The invention provides aromatic polyester polyol for improving compatibility of a hydrocarbon blowing agent in a hard polyurethane foam composite material. The aromatic polyester polyol is characterized in that: the aromatic polyester polyol chemically modified by fatty acid has the acid ester of less than 3.0mgKOH / g, and the hydroxyl value of 30-800mgKOH / g. Meanwhile, the invention provides a method for preparing the aromatic polyester polyol for improving the compatibility of the hydrocarbon blowing agent in the hard polyurethane foam composite material. The method is convenient to operate,and the product has stable properties.

The invention discloses a new method for preliminary concentration and purification of paraformaldehyde after synthesis, which belongs to the technical field of concentration and purification of crude paraformaldehyde. The mixture is sent to the rectification tower for rectification; the top product obtained after rectification enters the condenser, and enters the absorption tower after cooling; the rectification tower still liquid returns to the paraformaldehyde synthesis reactor; after being absorbed by the absorption tower, the absorption tower The top gas and the bottom product enter the pre-concentration tower together for rectification treatment, and the solution obtained at the bottom of the pre-concentration tower is used as the reflux of the synthesis rectification tower and the absorption liquid of the absorption tower; The top product is sent to the concentration tower for concentration, and formaldehyde solution is obtained at the bottom of the concentration tower; the top product obtained from the concentration tower enters the light component removal tower, and the top of the light component removal tower obtains combustible waste liquid, and the bottom of the tower obtains 30-90% aqueous solution of paraformaldehyde. The invention has large output and low operation cost.

The invention relates to a method and a system for using nitric acid decomposed phosphate rock powder to produce a sulfur-based compound fertilizer, comprising the steps of: (1) preparing potassium bisulfate for obtaining a mixed acid I; (2) decomposing phosphate rock powder with nitric acid for acquiring a mixed acid II; (3) mixing the mixed acid I with the mixed acid II; and (4) having the mixed acid III obtained in the step (3) to react with liquid ammonia or gas ammonia for getting the sulfur-based compound fertilizer. The method and the system have a more direct and simple production process flow than that of the current nitryl sulfur-based fertilizer, and fully utilize the nitrate nitrogen and acidity of nitric acid and the heat of reaction, as well as low temperature dechlorination and sensible heat of concentrated sulfuric acid potassium chloride, thereby cutting the intermediate step, obviously reducing the energy consumption and corrosion, and lowering the capital construction and equipment investment.

The invention relates to an underground shallow seismic source positioning method based on deep learning. The underground shallow seismic source positioning method comprises the following steps: arranging a distributed vibration sensor array, generating a learning sample, setting a seismic source bullet position corresponding to a three-dimensional energy field image sample as a training label, constructing a deep learning network framework, training a network, and positioning an actual explosion seismic source. According to the invention, the intermediate steps of positioning parameter extraction, positioning model modeling, positioning model calculation and the like in a traditional shallow seismic source positioning process are reduced. The method greatly improves the seismic source positioning efficiency, eliminates the positioning blind area, reduces the dependence of the channel reconstruction precision of a monitoring region on the seismic source positioning precision, and provides a new seismic source positioning method for the underground shallow seismic source positioning.

The invention relates to an ECC\RSA encryption and decryption coprocessor which includes a command input device, an ECC\RSA master controller, an ECC slave controller, an operation controller and a basic operation controller, wherein, the command input device converts external commands and is respectively connected with the ECC\RSA master controller, the ECC slave controller and the operation controller; after switching the corresponding ECC\RSA operation, the ECC\RSA master controller are respectively connected with the ECC slave controller and the operation controller so as to control the ECC slave controller to complete the calculation of modular exponentiation, modular multiplication and point multiplication as well as control the operation controller to complete the modular multiplication; the operation controller is connected with basic operation controller and the basic operation controller completes the modular multiplication calculation and plus-minus calculation; therefore, ECC\RSA encryption and decryption calculation can be realized by using a shift register, a multiplier and an adder at the same time, thus reducing the register and a combinational logic circuit as well as effectively reducing chip area.

The invention relates to the technical field of pharmaceutical preparations, in particular to a pharmaceutical composition containing mecobalamin and a preparation method thereof. The pharmaceutical composition containing mecobalamin is composed of, by mass percentage, 0.01-1% of methylcobalamin, 1%-10% of a stabilizer, 40-95% of a diluent, 0-20% of a disintegrant, and 0.1-10% of a lubricant. The preparation method consists of: premixing mecobalamine and part of the diluents, then mixing the pre-mixture with the stabilizer, the diluent and the disintegrant to obtain mixed powder, mixing the mixed powder with the lubricant for a certain period of time to obtain mixed raw material powder, and subjecting the mixed raw material powder to direct tabletting and coating. The method provided by the invention adopts a dry granulation process, involves fewer steps, avoids the influence of moisture and heat to the main drug, further improves the quality of mecobalamin tablets, lowers the cost, and is beneficial to industrial production.

The invention discloses a method for upgrading embedded system software, which comprises the following steps of: operating a system guide program; judging whether a system is needed to be upgraded or not by using the system guide program; reading an upgraded file code from a memory card to a system memory when the system is needed to be upgraded; and ensuring that a system processor jumps to the system memory to execute the upgraded file code. The upgrading method has the advantages of high flexibility and upgrading efficiency.

The invention discloses an elliptic curve cipher processor, and relates to the field of information technology security and micro-processor design. The processor is of a transport triggered architecture (TTA) structure, and the hybrid flow mechanism of the elliptic curve cipher processor comprises a transmission flow and a functional unit flow. The elliptic curve cipher processor comprises a command memory, a fetch unit, a decoding unit, a register file, a bus internetwork, a Socket and a functional unit, wherein the fetch unit fetches a command in the command memory; the command is decoded by the decoding unit; the decoded command is subjected to an error correction code (ECC) operation by selecting a corresponding functional unit through the bus internetwork; operation data required by the functional unit is acquired through the register file or the functional unit; and the functional unit is interconnected with the Socket through the bus internetwork. By utilizing the elliptic curve cipher processor, the operation speedup ratio is improved, the engineering change cycle is shortened, a software and hardware collaborative design is realized, and the problem of going against secondary development is solved.

The invention discloses a process for preparing a fish skin antifreeze peptide through one-step enzymatic hydrolysis. The fish skin antifreeze peptide is prepared by steps of selecting materials, cleaning the materials, homogenizing the materials, enzymatically hydrolyzing the materials, conducting membrane filtration, conducting double-effect vacuum concentration and conducting freeze-drying. The process provided by the invention is simple and low in production cost, and the process can reduce intermediate steps of preparing the antifreeze peptide, so that the loss of the antifreeze peptide caused by the intermediate steps is relieved and the yield of the antifreeze peptide is improved; and by controlling an enzymatic hydrolysis process, the obtained antifreeze peptide is relatively high in heat stagnation activity which is significantly higher than that of pig skin and chicken skin; and the industrial production of the antifreeze peptide is achieved.

The invention discloses a negative pressure extraction and separation system and separation method for semi-volatile organic matter and non-volatile organic matter in samples. The present invention forms a continuous negative pressure and heating environment around the tested sample through the action of a vacuum pump and a heater. Under this environment, semi-volatile organic compounds and non-volatile organic compounds produce properties similar to volatile organic compounds, gasify to form steam and combine with the sample The matrix is ​​fully separated, and the separated organic matter vapor is transferred from the sample transfer pipeline to the adsorbent for adsorption and enrichment by the suction of the vacuum pump, and then the adsorbent containing the target compound is directly injected into the sample for analysis or thermal analysis, solvent desorption, and then enters the gas chromatography or gas chromatography / mass spectrometer for analysis. The extraction, purification and sample concentration of the present invention are completed simultaneously, greatly reducing the analysis cost and time.

The invention provides an operating method of a scanner. The operating method comprises the following steps that: a scanning object is provided; an operating mode of a scanner is set; the scanning object is scanned to generate numerical digit information; according to a selected operating mode, whether color space conversion that is carried out from input color space to output color space and is related to the numerical digit information is executed is determined; if the selected operating mode is a sending printing mode, the color space conversion related to the numerical digit information is executed; and if the selected mode is a sending storage mode, the color space conversion is not executed. In addition, the invention also relates to a scanner that is capable of directly converting numerical digit information that is generated by scanning into one in a color system for direct printing by a printer and describing the converted numerical digit information to form one in a language format for direct printing by the printer, so that image data defined by the numerical digit information can be directly printed when the information is transmitted to the printer without the need to carry out PC machine processing.

The invention discloses a flexible freight bag which comprises a bag body, a feeding port, a sling, a discharging port, tying belts, a mesh lacing wire sheet and a bottom frame. The feeding port and the discharging port are arranged on the upper surface and the lower surface of the bag body respectively and correspond to each other, the sling is arranged on the upper surface of the bag body, the tying belts are arranged at the positions of the feeding port and the discharging port, the mesh lacing wire sheet is arranged between two adjacent surfaces of the bag body and forms a triangular prism body with the two adjacent surfaces of the bag body, and the bottom frame is arranged at the bottom of the bag body. According to the flexible freight bag, problems that existing flexible freight bags are low in strength and difficult to can fully are solved, the flexible freight bag can be directly transported by a forklift, and costs are effectively reduced.

The invention discloses an advertisement publishing system and method. The advertisement publishing system comprises at least one user terminal. Each user terminal comprises: an input device for receiving publisher information and advertisement information, an information storage device for storing the advertisement information and the publisher information, a checking confirmation module for sending confirmation playing information when receiving input representing that the advertisement information and the publisher information are approved, and an advertisement playing module for playing the advertisement information when receiving the confirmation playing information. According to the invention, through arranging a terminal which enables a user to input the advertisement information and the publisher information by himself, an intermediate procedure of advertisement publishing is reduced, time is saved, efficiency is improved, and at the same time the advertisement propagation scope can also be enlarged.

The invention relates to a method for preparing white carbon black. Silica solution is used as the raw material, wherein in the silica solution, the pH value is between 2.0 and 12; the proportion is between 1.14 and 1.3g / cm<3>; the content of SiO2 is between 20 and 40 percent; the water content is between 59.6 and 79.96 percent; the content of Na2O is between 0.04 and 0.40 percent; and the grain diameter of SiO2 colloidal particles is between 5 and 40nm. The method comprises the following steps: firstly putting the silica solution into a container and putting the container into a refrigerating room to cool until the whole silica solution is frozen; then taking the container out, and unfreezing the container to obtain a layer of flake-like transparent hydrous silicon dioxide solid deposition at the bottom of the container and water on the upper part of the container; and separating solid on the bottom of the container out and grinding and drying the solid to obtain the white carbon black. The method has simple process, low cost, universal equipment and small investment and high purity and easy grinding of the prepared flake-like silicon dioxide solid.

The invention discloses a safe soil on-site remediation integrated device. The invention belongs to the field of soil remediation. The device comprises a moving vehicle, a telescopic rod is arranged at the front end of the moving vehicle, a coulter is mounted at the bottom end of the telescopic rod, a rotating platform is arranged on the moving vehicle, a mechanical excavating arm is arranged on alifting column, an excavator bucket is mounted on the mechanical excavating arm, a treatment box is arranged on the moving vehicle, a partition plate is arranged in the treatment box, a water tank isarranged on the side wall of the treatment box, a water pipe is arranged on the water tank, a spraying disc is arranged at the outlet end of the water pipe, a sterilizing lamp is arranged on the inner wall of the treatment box, a strain adding pipe is arranged at the top end of the treatment box, an air injection tank is installed on the moving vehicle, a rotary drum is arranged in the treatmentbox, and multiple overturning plates are evenly arranged on the outer wall of the rotary drum. Office remediation is directly carried out on site, soil does not need to be dug out and transported, intermediate steps are saved, time and labor are saved, the soil remediation effect and efficiency are improved, harmful substances in soil are conveniently removed, soil remediation is facilitated, safety is improved, and use is convenient.

The invention discloses a car elevator alarm device which belongs to the field of elevator alarm. The structure of the car elevator alarm device comprises a voltage conversion chip, an acquisition module, a singlechip, an alarm button, a serial port transceiver and a short information module, wherein an elevator drive power supply is outputted to the singlechip through the voltage conversion chip, the input terminal of the singlechip is respectively connected with the acquisition module and the alarm button, and the singlechip is connected in series with the serial port transceiver, and then connected with the short information module. The car elevator alarm device replaces the phone alarm mode in the traditional car elevator, and has the advantages of simple operation, improving the real time of the alarm, using the invert elevator power supply for supplying power, using the battery as a standby power supply, simply structure and good expansibility.

The invention discloses a biotin derivative of phenylephrine and a preparation method and application thereof. The method includes: firstly, the synthetization of double-different-end polyethylene glycol; and secondly, the synthetization of piperazine derivative of phenylephrine; and thirdly, the synthetization of biotinylation of piperazine derivative of phenylephrine. The biotin derivative of phenylephrine and preparation method and application thereof discloses the application of the biotin derivative of phenylephrine as a fluorescence probe. The method firstly synthetizes the biotin derivative capable of being used to be connected with the biotin derivative of phenylephrine of alpha I adrenergic receptor agonist of streptavidin quantum dots, reserves the pharmaceutical activity part of the biotin derivative, and provides a tool for the future application of quantum dots in the research field of alpha I adrenergic receptor. Using PEG to connect alpha I adrenergic receptor agonist with biotin, the nonspecific adsorption of quantum dots and the steric hindrance generated after connected with the agonist are reduced. Because of continuous charging, the method is simple and effective, simple in operation, and good in purification effect. The structural formula is shown in the description, and n=25-60.

The invention relates to a new energy efficient plunger pump desalination plant system, and belongs to the technical field of seawater desalination. The new energy efficient plunger pump seawater desalination plant system includes a fan, a liquid plunger supercharging device and a seawater desalination processing apparatus. The fan is used to provide energy for the liquid plunger supercharging device; the liquid plunger supercharging device is used for pressurizing low-pressure fresh seawater in the seawater desalination unit. The seawater desalination plant and energy recovery device are integrated and installed in the fan tower, thereby greatly reducing the land occupation, improving energy recovery efficiency of the high-pressure concentrated seawater, optimizing the mechanism, and reducing the cost and failure rate. Due to the fan and the standby off-grid multi-energy cooperative power device, 100% wind energy is used for desalination, and the wind, light and grid cooperative power supply can be realized. The system comprehensively utilizes clean energy, reduces dependence on the power grid, saves energy and protects the environment.

The invention discloses an iron lithium fluoride battery anode material prepared by a nitrogen-doped silicon carbide-assisted solid phase one-step process and a preparation method. The preparation method is characterized in that nitrogen-doped silicon carbide is adopted as a ball milling auxiliary, a conductive agent and a surface modifier at the same time in a preparation process; after the ball milling of a certain period of time and thermal treatment by a high-energy ball mill, the raw material is directly supplied to a battery production enterprise for coating production, thereby greatly reducing the intermediate steps, lowering the production cost and avoiding any waste liquid; the prepared FeF3 anode material has a stable capacity over 200mAh.g<-1> and a good multiplying power feature; iron salt containing crystal water and ammonium fluoride at a molar ratio of 1.0:(3.0-3.6), 3-15% of nitrogen-doped silicon carbide by weight and 0.5-3.0% of auxiliary by weight are subjected to normal-temperature ball milling for 5-20 hours under the atmosphere protection in the high-energy ball mill; then the material is taken out and heated to 300-450 DEG C under the protection of the mixed gas of 5% of hydrogen and 95% of argon, and the temperature is kept for 2-10 hours before cooling to obtain the FeF3 anode material which can be directly applied to slurry coating.

The invention relates to a method for preparing Ce:Lu2SiO5 polycrystal flicker optical ceramics by adopting a pressureless sintering process, which belongs to the technical field of a preparation process of rare earth doped polycrystal flicker optical ceramics. The method adopts a sol-gel method to compose signal-phase sub-micron level Ce:Lu2SiO5 ceramic powder at low temperature, dry pressing and isostatic pressing are carried out on the powder, then pressureless sintering is carried out on the powder at 1600-1800 DEG C under flowing H2 atmosphere condition to obtain the Ce:Lu2SiO5 polycrystal flicker optical ceramics. relative density of the obtained materials achieves more than 98.5% of the theoretical density, has good lighting acts under stimulation of the X-ray, and a main emission peak is located at 440nm.

The invention discloses a gas-assisted continuous casting extrusion method and device and belongs to the technical field of metal forming continuous extrusion. According to the method, after metal ismolten, the molten metal flows into an extrusion wheel groove along a flow guiding plate, under the effects of inert gas, the molten metal is laid and expanded closely attached to the extrusion wheelgroove wall, and is solidified into a thin layer, under the effects of rotation of an extrusion wheel and a mold cavity plug, the metal thin layer on the wheel groove wall ceaselessly enters a mold tobe accumulated and extruded, and a finished product is obtained. By means of the method, it can be avoided that because of product casting, a structure is thick and large and not uniform, energy consumed for secondary heating and surface treatment before continuous extrusion machining of a casting is eliminated, and the energy consumption is reduced; the material yield is increased; and meanwhile, the production procedure can be substantially shortened, and the production efficiency is improved.

The invention discloses low-temperature instant agar and a preparation method thereof. The method comprises the steps: soaking seaweeds in an alkaline solution, and executing heating and filtering toobtain alkali-treated seaweeds; filtering and washing the alkali-treated seaweeds to obtain seaweeds washed for the first time; soaking the seaweeds in a bleaching agent, and executing even mixing, standing and filtering to obtain bleached seaweeds; soaking the bleached seaweeds in an acidic solution, and executing even mixing, standing and filtering to obtain acidified seaweeds; filtering and washing the acidified seaweeds to obtain seaweeds washed for the second time; adding the seaweeds washed for the second time into water, executing even mixing, heating and centrifuging to obtain a glue solution; adding a hydrogen peroxide solution, carrying out a methoxy group removing reaction, adding a biological enzyme, executing even mixing, and introducing ozone-containing gas into the glue solution; executing drying, crushing and sieving to obtain the low-temperature instant agar. The low-temperature instant agar prepared by the preparation method has low dissolving temperature, high gel strength, no introduction of other substances, high safety and good quality.

The invention relates to a complete wheat tissue protein and an industrialized preparation method thereof. Flour is firstly used a raw material, glutamine transaminase is added in the flour starch milk and wheat protein separation process, the gel performance of wheat protein is improved, wet gluten is used as a raw material, heat conduction oil is adopted to replace steam and water, and accurate temperature control is conducted on a twin-screw extruder to produce the complete wheat tissue protein obvious in lamellar structure. Compared with other methods, the gel performance of the wheat protein is improved by adding the glutamine transaminase in the wet gluten forming process. In addition, the method uses the wet gluten as the raw material, the wet gluten drying process is omitted, the twin-screw extrusion and temperature control mode is innovated, temperature control is more accurate, the lamellar structure of the product is obvious, and the taste is good.

The invention belongs to the technical field of the coating processing, and particularly discloses a powder coating mixing device. The powder coating mixing device comprises a driving part and a mixing and stirring unit driven by the driving part. The powder coating mixing device further comprises a material leaking unit. The material leaking unit comprises a plurality of fixedly installed material leaking buckets. An upper surface and a bottom surface of each material leaking bucket are provided with openings. The bottom of the material leaking bucket is provided with a material leaking part.The material leaking part comprises a first material leaking plate installed on the bottom surface of the material leaking bucket. A second material leaking plate is installed below the first material leaking plate. The second material leaking plate is rotatably connected with the first material leaking plate. Each of the first material leaking plate and the second material leaking plate is provided with a first material leaking port. The first material leaking port on the first material leaking plate can be opened or closed by the second material leaking plate in a rotating process. The mixing device with the above structure is capable of solving a problem in the prior art that integration of coating feeding in proportion and coating mixing is not realized, thereby improving processing efficiency.

The invention relates to the field of tetrahydrofurfuryl alcohol production, in particular to a hydrogenation catalyst and its preparation method and a preparation method of tetrahydrofurfuryl alcohol. The hydrogenation catalyst contains a carrier and a ruthenium component loaded on the carrier. The preparation method of the hydrogenation catalyst comprises the following steps: 1) conducting coprecipitation on a mixed aqueous solution containing a titanium oxide precursor, a zinc oxide precursor and a zirconia precursor, and washing and drying the obtained precipitate, and successively molding, drying and roasting carrier powder obtained after drying so as to prepare the carrier; and 2) adding the carrier prepared in the Step 1) into a water solution of a ruthenium precursor, adding alkaline lye, controlling pH value to 6-9, stirring until a black solid is generated, and successively washing, drying and roasting the black solid. The hydrogenation catalyst of the invention has high activity and selectivity, is applicable to continuous preparation of furfuryl alcohol, and is still highly-efficient in reacting under the solvent-free condition. Thereby, separation of a solvent is avoided, production process is simplified, and costs are lowered.

The invention discloses a ceph-based rbd file transmission method and a system thereof. The rbd file transmission method comprises the following steps of: accessing an rbd file of a ceph distributed storage platform by a local rbd client; newly establishing an rbd file of the ceph distributed storage platform by the remote rbd client; a tcp long connection is established between the local rbd client and the remote rbd client; compressing the rbd file of the local rbd client and transmitting the rbd file to a remote rbd client; the remote rbd client decompresses the received rbd file data flowand writes the rbd file data flow into the rbd file newly built in the step S2; and reading the rbd files of all the ceph distributed storage platforms and sending an end mark to the remote rbd clientby the local rbd client, and stopping the rbd files by the remote rbd client after receiving the end mark. According to the method, the rbd file transmission operation is simplified, the storage space is saved, the transmission time is shortened, and the rbd file transmission cost is reduced.

The invention discloses application of a graphitization furnace to a roasting process, and belongs to the technical field of carbon production. The Acheson graphitization furnace is adopted for the roasting process of a carbon material, wherein the Acheson graphitization furnace comprises at least one furnace body; each furnace body is surrounded by refractory furnace walls, and a cushion layer islaid at the bottom of each furnace body; a first resistance material layer is laid on each cushion layer; to-be-treated products are placed on the first resistance material layers, and filled with aresistance material, and the portions among the be-treated products are filled with a resistance material; second resistance layers are laid on the to-be-treated products; furnace top heat insulationmaterial layers are laid on the second resistance material layers. By means of the Acheson graphitization furnace, the roasting and graphitization process of graphite crucibles can be completed, a lotof furnace building investment is reduced, and the overall productivity and benefits of the graphitization furnace are greatly increased.