59results about How to "Increase the number of applications" patented technology

The invention discloses an overhead optimization task scheduling method based on an edge gateway system, which considers the computing resource consumption, the energy consumption and the time consumption of an edge gateway, combines an edge computing mode, aims to reduce the energy and time overhead to the maximum extent, and is suitable for running a delay sensitive task in a scene with limitedresources. The method comprises the following steps: firstly, establishing a heterogeneous distributed computing environment; studing an edge gateway system task scheduling mechanism under a heterogeneous object end and anyalzing a task scheduling problem existing in an edge gateway system and providing an overhead optimization task scheduling method based on the edge gateway system by respectively modeling a local execution task and an unloading execution task. And finally, the implementation rationality of the proposed overhead optimization task scheduling method is proved. The method has great research significance for comprehensively planning resources of the whole edge gateway system and efficiently processing loads.

A printing mask has protrusions having through holes defined therein for printing a solder paste on lands on a printed circuit board. The protrusions serve to increase the amount of solder paste filled in the through holes.

The invention discloses a synthetic process for an amino aromatic hydrocarbon compound. The process comprises the following steps: pre-preparing reaction solutions -1 and -2 by using an aromatic hydrocarbon compound (I), concentrated sulphuric acid and concentrated nitric acid, respectively pumping the solutions in a micro reactor, heating to react, cooling the reaction liquid, and pos-treating to obtain a nitryl aromatic hydrocarbon compound (II); mixing the nitryl aromatic hydrocarbon compound (II), a catalyst and a solvent as a reaction solution -3; respectively pumping the reaction solution -3 and hydrogen into the micro reactor, heating to react, cooling the reaction liquid and post-treating to obtain the amino aromatic hydrocarbon compound (III). The process disclosed by the invention is less in use level of nitric acid, convenient to concentrate and apply waste acid; in the nitrification reaction process, the heat release is little, and the nitration product nitryl aromatic hydrocarbon compound (II) is quickly transferred. The reaction phenomenon is stable without intense heat release and even material punching of a common kettle nitration reaction, so that the safety of nitration reaction is improved; the process is easy to realize industrialization, simple to operate and high in industrial safety degree and meets the environmental requirements.

The invention relates to a method for synthesizing vitamin A palmitate in a non-water-phase system by using immobilized esterase E.coli BioH as a catalyst. The method comprises the following steps: converting raw materials vitamin A acetate and lower alcohol into vitamin A alcohol by using immobilized esterase E.coli BioH as a catalyst, and carrying out esterification reaction with palmitic acid under non-water-phase conditions by using the immobilized esterase E.coli BioH as a catalyst to obtain the vitamin A palmitate. The conversion rate of the method is up to 98% above, the number of enzyme recycling times can reach more than 40, the subsequent product separation and purification process is simple, and the production cost is lower, thereby being beneficial to implementing industrialization. The vitamin A palmitate prepared by the method is light yellow grease on the appearance. The analysis by the United States Pharmacopeia USP28 process proves that the potency is 1.79-1.8 million IU / g, which the equivalent to the content of 98-99%; and the vitamin A palmitate can be widely used as a drug, feed additive, food additive or the like.

The invention belongs to the technical field of fine chemical engineering, and relates to a method for preparing 3,4-dichloroaniline from 3,4-dichloronitrobenzene through high-selectivity catalytic hydrogenation. With 3,4-dichloronitrobenzene as raw material and in the presence of a Pt catalyst, 3,4-dichloroaniline is prepared through a catalytic hydrogenation reaction under the pressure of 1.0 MPa-3.0 MPa and at the temperature of 75-120 DEG C. With adoption of the method, the conversion rate of 3,4-dichloronitrobenzene is 100%, the selectivity of 3,4-dichloroaniline is greater than 99.6%, and the dechlorination rate is less than 0.20%. The Pt catalyst is safe to use, and has stable catalytic activity and high selectivity; a dechlorination inhibitor is not required to be added; through introduction of Fe2O3 into the Pt catalyst, a dechlorination phenomenon can be effectively inhibited, and the corrosion of dechlorination to a reaction container during reduction is reduced; and the method is not added with a solvent, overcomes the defect of the addition of the solvent, avoids the problems of pollution of the solvent to the environment and solvent recovery, reduces equipment investment, and reduces production costs.

A post-processing apparatus for performing post-processing on a sheet having an image formed thereon, the post-processing at least including case bookbinding by using paste, the apparatus including: a paste applicator having a paste application member and configured to supply paste to coat a back of a sheet bundle with the paste; a pressurization member for pressing a cover onto the back of the sheet bundle with the paste coated thereon; and a controller configured to receive information relating to a cover gutter setting on the sheet bundle and to perform control over the paste applicator and the pressurization member, the controller being configured to cause, in a guttered cover setting, the paste to overflow in a larger amount from the back of the sheet bundle toward a gutter than an amount of overflow in a non-guttered cover setting based on the information relating to the cover gutter setting.

The invention discloses a preparation method of adiponitrile, the preparation method comprises the steps of first hydrocyanation reaction, isomerization reaction and second hydrocyanation reaction, and the preparation method adopts a porous polymer-nickel catalyst to replace a traditional homogeneous catalyst for reaction. The catalyst can be recycled in a reaction system through simple separation, the catalyst separation and recovery steps are simplified, the catalyst recycling frequency is greatly increased, the catalyst cost is reduced, and industrial production is easier to realize.

;The invention provides a method and a system for ensuring tail reading delay of a server side of a distributed storage system. The method the following steps: dividing applications into two types, namely non-postponed service applications and postponed service applications, through application load characteristic modeling, and pre-allocating resources to the two types of applications when the storage node serves the application, matching different types of applications, so that the matched applications are combined to share the service rate; and dynamically exchanging resources according to the change of the application load so as to ensure the application admission control method of the application tail delay SLO.

An electronic circuit board is formed by a pattern forming step for forming a conductive pattern of an electronic circuit board by applying a metal colloid solution on a base material by an inkjet method and a coagulant application step for applying a coagulant solution at least on the conductive pattern by a deposition method.

The invention relates to a printer control method and device and a printer. The method comprises: receiving a printing request sent by a user; analyzing the printing information carried by the printing request according to the pre-stored current number margin and the pre-stored expiration time to obtain an analysis result; and if the analysis result shows that the time margin and the number margin are sufficient, controlling the printer to print the content of the current printing object according to the printing information. By the adoption of the technical scheme, the printing time of the user can be controlled while the number of the printed sheets of the user is controlled, the situation that the user occupies the printer for a long time under the condition that only a small number of sheets are purchased can be avoided, and therefore the renting frequency and the application frequency of the printer are increased, and waste of printer resources is reduced.

This device comprises a memory cell selecting circuit 17 for selecting the memory cell from the memory cell array 15 in units of row, column or memory cell, a read voltage application circuit 22a for applying a read voltage to the variable resistor element of the selected memory cell selected by the memory cell selecting circuit 17, and a read circuit 23 for detecting the amount of the read current flowing in accordance with the resistance value of the variable resistor element with respect to the memory cell to be read of the selected memory cells and reading the information stored in the memory cell to be read. The read voltage application circuit 22a applies a dummy read voltage having reversed polarity from the read voltage to the variable resistor element of the selected memory cell.

Systems (1) comprise generating devices (2) comprising sensors (21) for generating sensor signals representing orientations of the generating devices (2) are provided with comparing devices (3) comprising comparators (31) for comparing the sensor signals with reference signals for interpreting the orientations, to increase the number of possible applications. The generating devices (2) and the comparing devices (3) may form parts of one apparatus (4) or of different apparatuses and then communicate wiredly or wirelessly via radio or infrared. Reference sensors (33,52) for generating the reference signals and / or reference memories (34,53) for storing the reference signals may be located in the comparing devices (3) and / or in sources (5) and then communicate wiredly or wirelessly via radio or infrared. Further comparators (36) in the comparing devices (3) may introduce adjustable sensitivities.

The invention discloses a multimedia information processing system and a multimedia information processing method, and belongs to the technical field of electronics. The multimedia information processing system comprises an image collecting and generating device, a voice receiving and broadcasting device and a FingerQ platform, wherein the image collecting and generating device is used for obtaining a person image; the voice receiving and broadcasting device is used for receiving voice information related to the person image; the image collecting and generating device is also used for determining whether the person image is a person image which is already stored in the FingerQ platform or not, enabling the voice information to be matched with the person image if not and storing the voice information and the image information in the FingerQ platform; the image collecting and generating device is also used for starting an authentication registration page, sending request information for inviting a connection mode to a second mobile terminal of a second user corresponding to the person image, enabling the second user to register in the authentication registration page and adding application functions of the FingerQ platform by the second mobile terminal after the second user registers. According to the multimedia information processing system disclosed by the invention, the business contact function of the user can be greatly convenient, and convenience is provided for the user to use.

The invention discloses a method for preparing diacetyl ethylene diamine. The method includes the following steps: a. a catalyst and a dehydrating agent are added into an acetic acid and mixed evenly with the acetic acid; b. the temperature is controlled to be between 25 and 80 DEG C and the ethylene diamine is dropped in the acetic acid solvent obtained in the step a, wherein the molar ratio between the ethylene diamine and the acetic acid is 1:2 to 2.5; c. the mixed liquid is stirred and heated for reflux and the temperature is preserved for one hour and then dehydrated; and d. a dehydratedreagent is cooled to 25 DEG C and is extracted and filtered after solids are precipitated; a filtrate is recycled; an obtained solid is dried to obtain the diacetyl ethylene diamine. The process of the method is simple; the manufacturing cost is low and the product quality is good; and the permeation rate of the mother liquid decolorized by reducing agents is enhanced dramatically, thus being capable of increasing the application times and reducing the manufacturing cost.

A post-processing apparatus for performing post-processing on a sheet having an image formed thereon, the post-processing at least including case bookbinding by using paste, the apparatus including: a paste applicator having a paste application member and configured to supply paste to coat a back of a sheet bundle with the paste; a pressurization member for pressing a cover onto the back of the sheet bundle with the paste coated thereon; and a controller configured to receive information relating to a cover gutter setting on the sheet bundle and to perform control over the paste applicator and the pressurization member, the controller being configured to cause, in a guttered cover setting, the paste to overflow in a larger amount from the back of the sheet bundle toward a gutter than an amount of overflow in a non-guttered cover setting based on the information relating to the cover gutter setting.

The invention discloses a method for reducing engine exhaust emissions. The method is applied to an EMS system and comprises the steps that the running state of an engine and the driving state of a vehicle are detected, and when the running state of the engine represents that the engine is in an idling state and the driving state of the vehicle represents that the vehicle is in a stop state, the emission reducing strategy used for discharging residual gas pollutants in the engine is started. The method for reducing engine exhaust emissions focuses on reducing of gas pollutants left in a cylinder when the engine is shut down, the advantages that after shutdown, the temperature of three-way catalysts is high and catalytic conversion can still be effectively carried out are fully utilized, residual gas pollutants in the engine cylinder are discharged out immediately in a harmless gas manner, then the situation that a large amount of harmful gas is discharged when cold start of the vehicleis achieved again is effectively avoided, and meanwhile the phenomenon of oil dilution of the engine can be reduced easily.

The invention relates to an environmentally friendly preparation method for vitamin B6. The method comprises the following steps: carrying out a condensation reaction on a carbonyl compound and 2-cyano-2-cis-butene-1,4-diol which is used as a starting material, protecting hydroxyl groups to obtain 2,2-disubstituted-5-cyano-4,7-dihydro-1,3-dioxepine, carrying out a formylation reaction on the 2,2-disubstituted-5-cyano-4,7-dihydro-1,3-dioxepine, carbon monoxide and hydrogen to prepare 2,2-disubstituted-5-cyano-6-formyl-1,3-dioxetpin, condensing the 2,2-disubstituted-5-cyano-6-formyl-1,3-dioxetpin and 2-aminopropionate or its hydrochloride, and removing the carbonyl compound to prepare the vitamin B6. The method does not use a 4-methyl-5-alkoxyoxazole intermediate which is expensive and generates a large amount of wastewater in the production process, so the method has the advantages of environmentally friendly process, high reaction selectivity, high product purity, high atom economy, and suitableness for industrial production.

The invention uses immobilized esterase E.coli BioH to catalyze the synthesis of vitamin A palmitate in a non-aqueous phase system. In this method, vitamin A acetate and lower alcohols are used as raw materials, which are first converted into vitamin A alcohol under the catalysis of immobilized esterase E. Catalyzed esterification reaction to obtain vitamin A palmitate. The conversion rate of the method is as high as 98%, and the number of times of applying the enzyme can reach more than 40 times. The subsequent separation and purification of the product is simple, and the production cost is low, which is conducive to the realization of industrialization. The vitamin A palmitate prepared by the method of the present invention has a light yellow oily appearance. The method of USP28 is used for analysis, and the potency is 1.79-1.8 million IU / g, which is equivalent to 98%-99% of the content. It can be widely used as medicine, feed additive, food additive, etc.

The invention relates to the technical field of catalysts, and particularly discloses a regeneration method of a hydrogenation catalyst used for preparing an aromatic amine antioxidant. The method adopts a solvent having better solubility for macromolecular organic substances (polyanilines) which block catalyst pore channels as a hot detergent, and realizes the effects of cleaning coking and unblocking the pore channels; and the washed catalyst is further subjected to hydrothermal treatment to reconstitute weakly-acidic sites (mainly based on phenolic hydroxyl groups) on the carbon surface toeffectively restore acid catalytic performance of a ketoamine condensation reaction. The method provided by the invention has the characteristics of simple operation, mild conditions, environmental protection and high efficiency, the method does not destroy a structure of a carbon carrier and a loading state of active metal nanoparticles while unblocking the pore structure of the catalyst and reconstituting the acidic sites, and the treatment method is highly compatible with the characteristics of a ketoamine reductive amination reaction, and can effectively restore the activity of the catalyst.

A processing liquid applying apparatus includes a processing liquid transfer roller which transfers a processing liquid to a transfer medium while rotating in a predetermined direction; a processing liquid applying section which applies the processing liquid to a surface of the processing liquid transfer roller; a downstream wall which is positioned on a downstream side in a rotating direction of the processing liquid transfer roller with respect to the processing liquid applying section; and a downstream wall moving mechanism which moves the downstream wall between a downstream wall first position at which the downstream wall is positioned when the processing liquid is transferred to the transfer medium and a downstream wall second position at which the downstream wall is positioned when the surface of the processing liquid transfer roller is washed with the processing liquid.

The invention belongs to the technical field of synthesis of 4, 4-(hexafluoroisopropenyl) diphthalic anhydride, in particular to a synthesis method of 4, 4-(hexafluoroisopropenyl) diphthalic anhydride. The synthesis method has the advantages of easy separation of intermediate products, high yield, less waste and good economic benefit, and a mixed solvent of isobutanol and butyl acetate is adoptedto reduce the solubility of the product, facilitate the separation of the product and increase the yield. Besides, the Pd / C catalyst is pretreated, a proper amount of sulfide is added for pretreatment, the sulfur poisoning resistance of the catalyst is improved, the service life of the catalyst is prolonged, and the application frequency of the catalyst is increased; because nitro compounds contain trace amount of sulfides such as sulfuric acid and like, catalyst is easily poisoned. In the step 2, an alumina-silica gel catalyst is added so that 2, 2-bis (3-amino-4-hydroxyphenyl) molecules canbe adsorbed on the surface of the catalyst in a flat shape, hydroxyl is closer to the surface of the catalyst, and the amination reaction of hydroxyl is facilitated; in the step 4, a small amount of urea is added in the cyanolysis reaction to prevent diazonium salt from being oxidized, becoming tar and other side reactions.

The technical problem to be solved by the invention is to provide a nutritional agent used for tomato planting. The nutritional agent comprises the following components in parts by weight: 150 to 190parts of Cardamine agyokumontana petals, 230 to 270 parts of Pastinacasativa leaves, 80 to 120 parts of Syzygium howii leaves and 500 parts of water. Various elements are synthesized, the contents ofvitamin A, vitamin B, vitamin C, carotene and lycopene in tomato are effectively increased, in addition, the content of tomato is improved. Therefore, the disadvantages in the prior art are recovered.

The invention relates to a method for preparing 3-methylquinoline, in particular to a method for preparing 3-methylquinoline serving as an argatroban intermediate. The method comprises the following steps of: adding 2-chloro-3-methylquinoline into an ethanol aqueous solution of sodium acetate, stirring, and adding 5 percent palladium carbon; and introducing nitrogen for ventilation, introducing hydrogen for ventilation, stirring, reacting at the temperature of between 50 and 55 DEG C until the hydrogen is not absorbed, ventilating, filtering out the palladium carbon, evaporating ethanol, adding chloroform into residues, washing by using a 10 percent sodium bicarbonate solution until a water layer is neutral, washing, distilling residue paste in vacuum, and collecting fractions at the temperature of between 120 and 135 DEG C under the pressure of 5mmHg. The originally used glacial acetic acid serving as a solvent is changed into ethanol-water, and the use times of the palladium carbon during production is greatly increased from 1 to 20-30, so that raw material cost is reduced; and yield and quality are not reduced, and good economic benefits are achieved.

The invention relates to a preparation method of a palladium-carbon catalyst, and belongs to the field of noble metal catalysts. The preparation method comprises the following steps: performing high-temperature pretreatment on a carbon support with a high specific surface area, and dispersing in a water phase; dropwisely adding a prepared palladium precursor solution into the carbon support dispersion solution, and stirring and impregnating for some time; performing vacuum filtration on the loaded dispersion solution, washing, and drying; and roasting the dried carbon support in a nitrogen protective atmosphere, and reducing with mixed gas of nitrogen / argon, carbon monoxide and vapor to obtain the palladium-carbon catalyst. In the prepared palladium-carbon catalyst, the active carbon with a high specific surface area is used as the support, and the noble metal Pd is loaded; and the content of the metal Pd in the palladium-carbon catalyst based on mass percent is 0.5-10%.

The invention relates to the technical field of catalysts, and particularly discloses a regeneration method of a chloronitro aromatic hydrocarbon selective hydrogenation catalyst. The regeneration method comprises the following steps: impregnating a part of the deactivated catalyst by adopting a titanium oxide precursor and a stabilizing solution, carbonizing, mixing the carbonized catalyst and the deactivated catalyst, adding the mixture into a regeneration kettle filled with a treatment solution, and decomposing organic impurities under the action of ultraviolet irradiation and microwaves; and carrying out microwave washing on the treated catalyst under the interaction effect of the organic acid and the organic solvent, so as to realize dredging of pore channels and recovery of active metal sites. According to the treatment method, organic impurities adsorbed in the catalyst can be effectively removed, and the catalytic performance is recovered. The method has the advantages of being simple, efficient, environmentally friendly and the like, the structure of the catalyst and the active metal loading state can be kept while it is guaranteed that organic impurities are removed, the activity of the catalyst is effectively recovered, and the use cost of the catalyst is reduced.

The invention aims at providing a nutritional agent for increasing nutritional ingredients in tomatoes. The nutritional agent is prepared from the following components in parts by weight: 150-190 parts of cardamine agyokumontana petals, 230-270 parts of parsnip leaves, 80-120 parts of folium syzygii howii and 500 parts of water. The nutritional agent contains multiple elements, effectively increases the contents of vitamin A, vitamin B, vitamin C, carotene and lycopene in the tomatoes, and increases the yield of the tomatoes, thus making up for the deficiency of the prior art.

Concave portions and convex portion are formed on a peripheral surface of a thin metal sheet by applying a pressing force thereto while the metal sheet is being embossed; pores are each formed on an apex of each of the concave portions and convex portions and burrs each projecting outward from a peripheral edge of each of the pores are generated by the pressing force, the metal sheets having the concave portions and convex portions formed thereon are layered on each other; the burr at the apex of each convex portion of a lower-layer metal sheet is interlocked with the burr at the apex of each concave portion of a upper-layer metal sheet adjacent to the lower-layer metal sheet to integrate the metal sheets with each other; and an active substance is charged into spaces between the upper-layer sheet and the lower-layer metal sheet through and aperture at the apex of each of the concave portions and convex portions.

The invention aims to solve the technical problem of providing a nutrient agent for increasing nutrient components in tomatoes. The nutrient agent comprises the following components in parts by weight: 150-190 parts of cardamine agyokumontana petals, 230-270 parts of pastinaca sativa leaves, 80-120 parts of syzygium howii leaves and 500 parts of water. Multiple elements are integrated, the contents of vitamin A, vitamin B, vitamin C, carotene and lycopene in the tomatoes are effectively increased, meanwhile the yield of the tomatoes is increased, and defects of the prior art are made up.

The invention discloses a back washing type micropore filtering device. The back washing type micropore filtering device comprises a shell, a discharge hole formed in the bottom of the shell and a feeding hole formed in the left side of an opening in the top of the shell, wherein the top of the opening of the shell is in bolted connection with a top cover; a support is mounted on the top of the top cover in a welding manner; the top end of the support is fixedly connected to a gear motor; the output end of the gear motor is rotatably connected with one end of a rotating shaft through a coupler; the other end of the rotating shaft penetrates through the top cover to extend to the interior of the shell; a first connecting rod and a second connecting rod are welded at the bottom of the otherend of the rotating shaft from top to bottom in sequence; and two ends of the first connecting rod are vertically connected with two ends of the second connecting rod through brushing boards respectively. The back washing type micropore filtering device is simple in structure, practical and convenient, and has the characteristics of short filtration effect and short filtration time.