146results about How to "Huge economic benefits" patented technology

An IV catheter introducer having a retractable needle holder and a tubular plunger that are held by a detent structure in a preferred positional relationship prior to and during insertion of the catheter. Following insertion, the plunger is pushed past the detent structure, permitting a compressed spring to force the needle holder upwardly into the plunger. A vented end cap in the plunger permits rapid venting of air displaced during retraction of the needle holder. The needle holder includes a flash chamber that is easily viewable through a clear plastic housing. Wings are provided on the housing to facililate one-handed operation of the device. A method for assembling the subject catheter introducer is also disclosed.

An IV catheter introducer having an elastomeric grommet disposed between the housing and the IV catheter assembly that helps avoid unintentional separation of IV catheter assembly from the housing during shipping and handling prior to use, that acts as a needle guide, that helps align the housing and IV catheter assembly coaxially, that indicates that top side of the catheter introducer, that provides proper rotational alignment between the grommet and housing, that wipes blood off the needle during withdrawal of the needle from the catheter assembly and grommet, that impedes blood flow out of the catheter hub after needle withdrawal, and that assists the user in separating the housing from the IV catheter assembly following insertion of the catheter and withdrawal of the needle.

A process for crosslinking polymers employs a silane crosslinker which, upon hydrolysis, produces a reduced quantity of volatile organic compound.

Compositions suitable for use as wood adhesives are described, which compositions comprise: (a) a polymeric component selected from the group consisting of lignins, proteins, and mixtures thereof, (b) an adhesion promoter comprising at least one component selected from the group consisting of (i) adducts of an epoxide and a resin selected from the group consisting of polyamine resins, polyamidoamine resins, polyamide resins, and combinations thereof, and (ii) combinations of a curing agent and a compound having at least one amine, amide, imine, imide, or nitrogen-containing heterocyclic functional group capable of reacting with at least one functional group of the polymeric component; and (c) an additive selected from the group consisting of urea, N-substituted ureas, N,N-disubstituted ureas, N,N′-disubstituted ureas, N,N,N′-trisubstituted ureas, N,N,N′,N′-tetrasubstituted ureas, urea derivatives, and mixtures thereof.

The invention relates to the field of freight logistics application, specifically discloses a freight logistics application method based on a block chain and is to solve the problem of large data evidence collection difficulty in the later freight logistics link caused since all links in the freight logistics process are mutually independent, and data cannot be shared. The method is characterized by collecting freight logistics object data and establishing sub-block chains, and combining the sub-block chains to establish a block chain platform, thereby realizing trustworthy data sharing in the whole freight logistics process, enabling the data in the later freight logistics process to be scheduled, used and obtained for evidence as needed, and further promoting intelligent development of freight logistics application.

The invention relates to a hydraulic floating type fast vertical ship lift, which belongs to the technical field of ship lift. The ship lift which is provided by the invention substantially comprises a balanced system, a hoisting system and a mechanical synchronous system. The working principle is that the total weight of a surge drum balances the total weight of a ship chamber, a lifting vertical shaft is filled with water or the water in the lifting vertical shaft is discharged through operating a feed valve or a drain valve, thereby achieving the purpose of changing the weight of the lifting surge drum, and overcoming the frictional resistance and impelling the ship chamber to lift. The hydraulic floating type fast vertical ship lift is capable of replacing locks flights or a wire rope hoisting ship lift to complete a lifting ship operation, thereby being capable of saving massive operation water. The lifting speed is rapid, massive time is capable of being saved when a ship crosses a dam, complex making and installment process of a miter gate and complex construction of a water-carriage system and a drainage system of a lock chamber are avoided, thereby saving massive project investment. The workload of repair and maintenance is small, and the cost is low.

The invention relates to a distribution network flexible load cooperative dispatching method based on a particle swarm algorithm, belonging to the technical field of grid operation and control. The method comprises the following steps of: (1) considering stabilizing new energy access, peak clipping and valley filling and safe and economical operation of distribution network, establishing an optimization objective of flexible load cooperative dispatching model of distribution network; 2, synthetically considering the system balance constraint, the network constraint, the distribution power source and the adjustable load constraint, wherein each constraint condition can flexibly carry out parameter configuration and effective setting, and establishing the constraint of the optimization objective in the step 1; and 3, finally, solving the optimization objective of the load cooperative dispatch model satisfying the constraint condition by using the particle swarm optimization algorithm. This kind of cooperative control method provides space for alleviating the peak load regulation and realizing the large-scale consumption of new energy, and its economic benefits are enormous.

The present invention discloses a composite soft magnetic powder core and a preparation method therefor, which belong to the technical fields of soft magnetic materials and preparation thereof. An Fe/Fe₃O₄ shell layer is generated in situ on surfaces of iron powder particles through a controlled oxidation process, to prepare Fe/Fe₃O₄ composite soft magnetic powder having a uniform structure. The Fe/Fe₃O₄ composite soft magnetic powder is mixed with suitable amount of silicone resin, and prepared into a high-performance Fe/Fe₃O₄ composite soft magnetic powder core by using a powder metallurgy compaction process. Such magnetic powder core has a high density, a high magnetic conductivity, a high magnetic flux density, a low loss, and a high breaking strength, and is useful in a large-power and low-loss application scenario. The present invention has the advantages of being rich in raw material resources, simple in process and environmentally friendly, and being suitable for industrial production.

A yoke-trunnion universal joint has a plastic anti-wear coating disposed between the sleeve and trunnion for lubrication, anti wear and absorbing vibration. A combining means combines the plastic ant-wear coating with sleeve or trunnion tightly. The plastic anti-wear coating is made by nylon or polytetrafluoroethylene. The universal joint has a simple structure, long working life, low operating noise and cheap manufacture cost. The most advantage is that the universal joint needs not oil or grease for whole working life. It is an oil or grease free and maintenance free universal joint.

The invention discloses a high-performance small-waterline-area twin-body intelligent measurement ship. A ship body of the ship comprises a submerging body and a case. A power unit and a direction control unit are arranged on the submerging body, a remote control unit and a measuring unit are arranged on the case, and a solar cell panel is arranged on the upper surface of the casing. The submerging body is formed by two parallel and symmetric torpedo submersible diving chambers. Each submersible diving chamber comprises three watertight battery compartments. Storage batteries are arranged in the three battery compartments and are connected through wires. The storage batteries are connected with the solar cell panel, the power unit, the remote control unit and the measuring unit through wires respectively. By means of the measurement ship, new energy is fully used during measurement ship navigation and stored, and accordingly, the endurance of the ship and the intelligent equipment normal operation are guaranteed, and the survey is efficient, energy saving and environmentally friendly.

The invention provides a method for pyrolysis production of anthracite in a coal powder rotary furnace. The method relates to a coal powder dust removing rotary drying furnace system, an external-heating rotary furnace pyrolysis system with a coal gas circulation function, a rotary cooling passivation system with a heat recovery function, and an oil gas recovering system, wherein the coal powder dust removing rotary drying furnace system is used for heating coal powder to 110 to 280 DEG C and removing coal dust of which the particle size is smaller than 0.2 mm; drying water is recovered and fed to a downstream spiral cooling machine to be used for anthracite cooling and humidification; the coal dust obtained after separation is fed to a coal gas generating system to generate fuel, namely coal gas; after dust removing, coal is sent to a downstream rotary pyrolysis system for pyrolysis; high-temperature anthracite is generated, and cooled; the cooled anthracite is passivated at a middle-low temperature; the passivated anthracite is cooled in the spiral cooling machine; water is sprayed on the cooled passivated anthracite for humidification; the humidified anthracite is sent out; high-temperature oil gas produced in the process enters the oil gas recovering system to obtain coal tar, pyrolyzed water and coal gas. Part of the produced pyrolyzed coal gas returns to the pyrolysis furnace after preheating in a circulating manner, while the other part of the produced pyrolyzed coal gas is sent out.

The invention relates to an edible packaging film prepared from carboxymethylated potato residues and a preparation method thereof, wherein the edible packaging film prepared from carboxymethylated potato residues comprises the following components in parts by weight: 20-40 parts of sodium carboxymethyl cellulose, 1000 parts of water, 6-20 parts of carrageenin, 3-10 parts of sodium alginate, 10-15 parts of glycerol, 10-15 parts of sorbitol, 1-3 parts of stearic acid and 1-3 parts of palmitin; and the edible packaging film prepared from carboxymethylated potato residues is prepared by the following steps of preparing a composite solution from the components and coating to form a film by using a casting method. The edible film prepared from the potato residues as the main raw material has the advantages of simple utilized production facilities, simple and convenient process, low production cost and high added value; in addition, a new way-out of potato residue utilization is found out for corporations, and remarkable economic benefits are also brought to the corporations at the same time.

The invention relates to a feed containing N-carbamylglutamic acid and N-carbamylglutamic acid sodium salt for boars, preparation and application thereof. The feed is characterized by being prepared from the following components in percentage by weight: 0.10 to 0.25 percent of mixture of the N-carbamylglutamic acid and the N-carbamylglutamic acid sodium salt and auxiliary materials. The feed can promote the synthesis of source arginine in the bodies of boars, enhance the synthesis of carbon monoxide (NO) and polyamine, ensure that the boars exert the genetic potential more effectively, improve the utilization age limit and the health level of the boars and improve the economic benefit of raising the boars.

The invention discloses a cutting type filling method for optimal layout of rectangular parts. The method comprises the following steps of: 1, establishing a mathematical planning model: aiming at a layout problem of two-dimensional rectangular parts, firstly formalizing the two-dimensional rectangular part into a simple rectangular area and rectangular parts, establishing the mathematical planning model, setting the rectangular area to have a length of L and a width of L, and filling n rectangular parts respectively having lengths of l1, l2, ...ln and widths of w1, w2, ...wn into the rectangular area. Compared with existing layout algorithms, the method combines the characteristics that the algorithm is simple to realize and the layout efficiency is high, and can be widely applied to rawmaterial layout of rectangular parts in rolled steel blanking, newspaper and periodical typesetting and tailoring so as to provide theoretical guidance for realization of producing activities; and under the current fierce market economic competition pursuing resource utilization rate and production scale, the novel layout algorithm is simple and efficient, and is capable of bringing a novel thinking method and huge economic benefit for the field of two-dimensional raw material layout.

The invention discloses a single-time smelting TC4 titanium alloy ingot head feeding process on an electron beam cooling bed, which belongs to the technical field of titanium alloy ingot feeding technology and comprises the following steps: determining the ingot head to be fed; Once the metal liquid flows into the crystallizer, keep the current of 6-7# at 5.5A for 5 minutes; the current of 6-7# decreases from 5.0A to 0.5A in steps of 0.5A, and lasts for 5 minutes for each step down; Start with a current of 3.0A, narrow the scanning range of 6-7#; enlarge 6-7# to the edge until the molten pool disappears, and complete the feeding; after the feeding is completed, cool down. The invention has the advantages of simple process, convenient operation and good use effect, can effectively solve the defects in the head of the ingot, greatly improves the primary yield of the ingot, and can obtain obvious economic benefits.

The invention discloses a stereoscopic lens manufacturing method, in which a stereoscopic lens material with adjustable curvature radius and focal distance under the condition of a fixed spacing is produced through combination of a mould head and a pair of moulds. The stereoscopic lens manufacturing method comprises a device preparing step and a stereoscopic lens material producing step, wherein the device preparing step comprises the following substeps: preparing the mould head for extruding molten plastic, manufacturing aspheric stereoscopic lens moulds for extruding and moulding a lens, and manufacturing a polishing roller for polishing the other surface of the lens material; the stereoscopic lens material producing step comprises the following substeps: adjusting the fitting degree of the moulds and the molten plastic, adjusting the extruding amount, the depositing amount and the producing speed of the mould head, extruding one surface of the plastic by using the aspheric stereoscopic lens moulds so as to form the front surface of the stereoscopic lens material, and polishing the other surface of the plastic by using the polishing roller so as to form the back surface of the stereoscopic lens material, by the stereoscopic lens manufacturing method, the stereoscopic lens material which has the same lens spacing, but has different curvature radiuses and corresponding focal distances.

The invention provides an automatic control system of coal bed loads of a thermal power generating unit. The automatic control system comprises six layers of coal beds, a processing module, a coal bed commissioning sequence module and a coal bed decommissioning sequence module and is characterized in that: in a loading-up process, the processing module is used for commissioning the coal beds in sequence according to five load sections; and in a loading-down process, the processing module is used for decommissioning the coal beds in sequence through three load sections. According to the automatic control system, the automation control level of coordination control can be greatly increased, the loading-up speed and the loading-down speed are accelerated, human misoperation is reduced, the safety is improved, and a foundation is laid for unit-level automatic control.

The invention discloses a bifidobacterium longum as well as application and a product thereof. The bifidobacterium longum is classified and named as Bifidobacterium longum 5b5d1 and is preserved in the China Center for Type Culture Collection (CCTCC) on April 16, 2021, and the preservation number of the bifidobacterium longum is CCTCC M 2021390. The bifidobacterium longum 5b5d1 with high growth rate and high growth density is obtained through open high-throughput strain screening, the fermentation time can be shortened, the production cycle can be shortened, meanwhile, the yield of a fermentation product can be increased, and the economic benefit is huge. The fermentation product is proved to have an epithelial tissue repairing effect, and can be applied to preparation of medicines, foods and cosmetics including skin repairing preparations.

The invention discloses a selective fluorination method for an isatin hydrazones compound. The method comprises the steps that one pot reaction is carried out on isatin hydrazone, 1-chloromethyl-4-fluorine-1,4-diazabicyclo [2.2.2] octane bis (tetrafluoroborate) salt and alkali compounds, corresponding 3,3-difluoro indolone and fluorooxindole fluorination products are selectively synthesized; the method fills up technical gaps in the prior art that isatin hydrazones compound is selectively synthesized by using a three-position single fluorination or double fluorination technology starting fromisatin, the operation is simple, the process is short, the product yield is high, and industrial production requirements are met.