274results about How to "Increase exchange rate" patented technology

The invention discloses a one-way data exchange device and method for physical isolation among networks at different security levels. The device comprises an intranet processing unit and an extranet processing unit, wherein a transition unit for data exchange is arranged between the intranet processing unit and the extranet processing unit and comprises an intranet optical drive group (namely a burn drive), an extranet optical drive group (namely a read-only drive) and a manipulator assembly. The one-way data exchange device does not need manual intervention and can implement data transfer by virtue of non-direct connection of the manipulator assembly, the specific drive, a control system and a disc shredder (according to selection) so as to achieve the true physical isolation. The one-way data exchange device and method adopt a simple principle, are safe and reliable, prevent various invasive bugs from hiding fundamentally, save time for manual data exchange by disc burning, conveniently implement the safe data exchange, and bring convenience for safe data storage and exchange among secret departments of the Chinese People's Liberation Army and China.

The invention discloses an organic-inorganic improvement fertilizer for saline-alkali soil and a preparation method thereof. The organic-inorganic improvement fertilizer is prepared from, 20-30 parts of bentonite, 20-30 parts of zeolite, 20-30 parts of flue gas desulfurization gypsum, 10-20 parts of dehydrated sludge, 20-30 parts of humic acid, 10-20 parts of coal ash, 20-30 parts of ardealite, 10-20 parts of peat, 10-20 parts of straw meal, 10-20 parts of animal waste, 2-8 parts of microbial inoculation bacteria and 2-5 parts of emulsified asphalt. The invention further provides a preparation method of the organic-inorganic improvement fertilizer for saline-alkali soil. According to the organic-inorganic improvement fertilizer, the physicochemical character of soil can be improved, soil permeability and moisture and fertilizer preservation can be improved, the soil ion exchange rate can be improved, the PH value can be buffered, the chemical fertilizer consumption can be reduced, the crop yield can be improved, the product quality can be improved, the soil improvement effect can be improved, and the soil improvement cycle can be shortened.

The invention relates to a method for controlling the surface roughness of silicon single-crystal liner material. According to the chemical property of silicon single-crystal liner material, the invention selects alkali medium; uses SiO2 hydrosol as abrasive; uses pH adjuster to adjust the pH value of solution 9-13.5; adds surface activator as FA / O to prepare the polish liquid. The invention uses two polishing steps as roughly polishing and finely polishing at different polishing conditions; roughly polishes for 10-20mins while the flux is 100-200ml / min, the temperature is 30-40Deg. C, the rotation speed is 40-120rpm and the pressure is 0.10-0.20MPa; finely polishing for 4-7mins while the flux is 800-1000ml / min, the temperature is 20-30Deg. C, the rotation speed is 30-60rpm, and the pressure is 0.05-0.10MPa. The invention can realize low roughness of single-crystal liner material.

An indoor located air distribution device for providing distribution of purified supply air to a service area. The air distribution device with air purifier can reduce the amount of bacteria, viruses, and bad spores inside the service area, can minimize the spreading of bacteria, viruses and spores, and can create overall healthier conditions in the service area. With low energy usage and maintenance cost, an air supply unit with built-in bi-polar air purifier can improve the quality of room breathable air, minimize the amount of outside air in total supply air, and decrease the usage of energy (heating / cooling) and electricity.

A method for exchanging satellite-carried route of sky based network includes judging whether source user and destination user of data are in the same wave beam or not and carrying out data link layer exchange on data if it is or otherwise judging whether multi-protocol countermark is carried by data or not according to data packet formed frame sequence number data in connection head, carrying out multi-protocol countermark exchange on data if it is or otherwise carrying out IP route exchange on data.

The invention discloses parking charging and payment systems and parking charging and payment methods thereof. A background server prestores vehicle information and generates a related payment account, a first identification module identifies the vehicle information at an entrance and sends identification information to the background server, the background server performs correct matching verification and records vehicle entry time, a second identification module identifies the vehicle information at an exit and sends identification information to the background server, and the background server performs correct matching verification and records vehicle exit time, thus vehicle parking time is calculated, parking fare is calculated according to the rate, and the related fare is removed from the payment account related to the vehicle information. Charging and payment when the vehicle enters and exits from a parking lot are completed via the systems automatically, and vehicle entry and exit efficiency is improved; the vehicle information is prestored in the background server, identification and matching accuracy is high, and disordered vehicle management cannot be caused.

The invention relates to an electrostatic spinning method and device of a fiber-based waterproof moisture-permeable film high in moisture-permeable flux. The electrostatic spinning method includes that during electrostatic spinning, polymer solution jet flow is injected at a certain included angle with air of a certain temperature and / or lateral air flow of non-solvent steam, and polymer molecules in the jet flow are quickened to be separated and solidified into fibers; water-pressure resistance of the electrostatic spinning film, namely the fiber-based waterproof moisture-permeable film high in moisture-permeable flux is greater than or equal to 100kPa, and the moisture-permeable flux is greater than or equal to 15000g / m<2> / d. The electrostatic spinning device is composed of an electrostatic spinning box, a high-voltage direct-current power supply, an electrostatic spinning hydraulic system, a spinning jet and a receiving base material, and a steam generation and air supply system is mounted on one side of the electrostatic spinning box. The fiber-based waterproof moisture-permeable film produced by the method has the advantages of small bore diameter, controllable adhesion degree and high porosity; the film is high in water-pressure resistance and moisture-permeable flux when used in the waterproof and moisture-permeable areas, and is wide in actual application prospect.

The invention relates to a compound improved conditioner for saline-alkali soil and a preparation method of the compound improved conditioner. The compound improved conditioner comprises the following raw material components: 30-50 parts of an organic conditioner, 40-70 parts of an inorganic conditioner, 10-30 parts of biological conditioner and 5-15 parts of an artificially synthesized conditioner. The preparation method comprises the steps of drying the raw material components until the moisture contents are 4%-8%, grinding the raw material components to be 200-350 meshes, uniformly mixing, adding the mixture into a granulator, and granulating to obtain a finished product. According to the compound improved conditioner, the physical and chemical properties of soil can be improved, the permeability and the moisture and fertility preservation performance of soil can be improved, the ion exchange ratio and the buffer pH value of soil can be increased, the number and the activities of microorganisms in soil can be increased, the soil fertility can be increased, the output and the quality of crops can be increased, the soil improvement effect can be improved, and the soil improvement period can be shortened.

The invention relates to a preparation method of a gold / nitrogen-doped hollow carbon nanosphere core-shell material, belonging to the field of biomedical materials. The preparation method comprises the steps of firstly, preparing gold sol by using a sol-gel method; secondly, coating the surfaces of gold particles with SiO2 by using an improved stober method, and then forming Au@SiO2@PDA spheres in a weak alkaline water-containing environment by means of auto polymerization of dopamine; finally, carrying out high-temperature calcination, and obtaining the gold / nitrogen-doped hollow carbon nanosphere core-shell material after NaOH is etched. The method is simple, mild and environment-friendly, and does not add additional toxicity; the prepared gold / nitrogen-doped hollow carbon nanosphere core-shell material has the particle size of about 165-175nm; as a near-infrared photothermal therapeutic agent for treating tumors, a product not only has good biocompatibility and light and heat stability, but also has the characteristic of having an internal hollow structure; after the gold / nitrogen-doped hollow carbon nanosphere core-shell material is used, the speed of particle exchange is accelerated, and the photothermal conversion efficiency is improved.

The present invention discloses a kind of chemical and mechanical water-free polishing liquid for polishing lithium-cesium borate crystal and its polishing method. The polishing liquid of the present invention consists of nanometer silica abrasive 4-8 wt%, organic solvent 72-95 wt%, organic alkali 0.5-10 wt% and surfactant 0.5-10 wt%. It is used in polishing lithium-cesium borate crystal at polishing pressure of 0.05 MPa to 0.1 MPa, polishing disc speed of 30 rpm to 60 rpm, and polishing time of 5-10 min. The water-free polishing liquid of the present invention has high flowability, no toxicity, no pollutant, no corrosion, moderate concentration and good floatability, and can obtain polished lithium-cesium borate crystal surface with high smoothness and no crack.

An indoor located air distribution device for providing distribution of purified supply air to a service area. The air distribution device with air purifier can reduce the amount of bacteria, viruses, and bad spores inside the service area, can minimize the spreading of bacteria, viruses and spores, and can create overall healthier conditions in the service area. With low energy usage and maintenance cost, an air supply unit with built-in bi-polar air purifier can improve the quality of room breathable air, minimize the amount of outside air in total supply air, and decrease the usage of energy (heating / cooling) and electricity.

The invention discloses a gold leaf acer negundo twig cutting seedling method which comprises the steps of cutting bed preparation, cutting stem selection, cutting shoot making, cutting shoot hormone rooting induction, cutting, post-cutting management and the like. Perlite is adopted as a substrate of a cutting bed, and a magnetic field network, an electric field network and an automatic atomizing system are arranged; cutting stems are selected within May, June and July; cutting stems with the diameter ranging from 4 mm to 6 mm are selected as cutting shoots and soaked in a growth regulating agent for 1 min to 2 h; a straight cutting method is adopted for cutting the cutting shoots into the seedbed, the automatic atomizing system carries out automatic atomization after cutting is finished when the air humidity is smaller than 90%; in the period from cutting to callus forming, the shading rate is kept 75%, the relative humidity is kept from 90% to 91%, and the temperature is kept from 30 DEG C to 40 DEG C; in the middle and later periods of cutting, the air humidity is controlled to range from 70% to 80%, the temperature is controlled to range from 30 DEG C to 40 DEG C, and the cutting shoots are processed by 100000 V voltage for 2 h every day. According to the gold leaf acer negundo twig cutting seedling method, the cutting environment most suitable for growth of gold leaf acer negundo twigs is obtained through screening by adjusting and controlling cutting shoot obtaining time, the cutting environment, the cutting shoot selection, the cutting substrate selection, the selection of hormone promoting rooting and other aspects, and the method is stable and efficient for gold leaf acer negundo twig cutting propagation.

The invention provides a fused salt for chemically enhancing medium-aluminum and high-aluminum silicate glass. The fused salt comprises the following compositions: KNO3, KOH, KCl and K2CO3, wherein a mass ratio of KOH to K2CO3 in the fused salt is 0.05-0.4; a mass ratio of KCl to K2CO3 is 0.075-1.0; and a mass ratio of KNO3 to K2CO3 is 100:(1.0-4.0). The invention further provides a method for performing chemically toughened enhancement by using the fused salt for chemical enhancing of medium-aluminum and high-aluminum silicate glass. The fused salt formula disclosed by the invention indicates a formula composition range suitable for chemical enhancing of the medium-aluminum and high-aluminum glass. According to the formula, corrosion on the glass surface can be avoided, and the chemically enhanced glass has high transmittance; and meanwhile, due to the formula disclosed by the invention, the surface stress and stress layer depth of the chemically enhanced glass can be greatly improved.

The invention discloses a preparation method of polyfuran dioctyl phthalate glycol ester. The preparation method comprises the following steps: (1) esterification or ester exchange reaction: adding furan dioctyl phthalate or furan dioctyl phthalate diester, ethylene and nitrogen-containing catalyst to a reactor, and reacting for 2-5 hours at 160-210 DEG C to obtain an esterification or ester exchange product; (2) polycondensation: reacting the esterification or ester exchange product in the conditions of pressure of less than or equal to 150Pa and temperature of 220-250 DEG C to prepare polyfuran dioctyl phthalate glycol ester. According to the invention, the efficient and high-selectivity nitrogen-containing catalyst is adopted, thus being favorable for improving the esterification or ester exchange rate, promoting polycondensation and improving molecular weight; and the prepared product is colorless or shallow in color, less in byproducts and good in structure regularity. According to the preparation method, only one nitrogen-containing catalyst is needed and is only added before reaction, adding of catalyst is not needed in the medium process, the process is very simple, the process is environmentally friendly, and realization of industrialization is facilitated.

A method for controlling the level degree on the ULSI multi-layer wiring in chamico-mechanical polishing includes such steps as diluting SiO2 hydrosol by deionized water, adding metal ion chelating agent to regulate pH=10-13, adding alcohol-ether kind of surfactant and oxidant while stirring to obtain polishing liquid, and polishing at 20-40 deg.C and 60-120 rpm under 100-250 g / sq.cm.

Device for exchange of moisture, between at least two counter-current gas flows (A, B), comprising a generally closed chamber (1, 101) having an inlet (7, 107) and an outlet (8, 108) for a first gas flow (B), such that the first gas flow flows in a first direction from the inlet to the outlet inside the chamber; and at least one duct (2, 102), which extends inside the chamber, generally in parallel with the first direction, which duct (2, 102) is arranged to conduct a second fluid flow (A) in an opposite direction to the first direction and which duct (2, 102) comprises a duct wall material with high permeability to water. In order to enhance the efficiency of the moisture exchange the device comprises an inlet space for the gas flow B, which inlet space is arranged in the central chamber (1, 101), between the inlet (7, 107) and a first support and flow distributing member (9a, 109a) arranged inside the chamber (1, 101) between the inlet opening (7, 107) and the outlet opening (8, 108), and means for uniform distribution of the gas inside the inlet space for providing a generally parallel and uniform first fluid flow (B) inside the chamber.

The invention discloses a graphene / iron-nickel sulfo-spinel composite catalyst, and the composite catalyst comprises graphene oxide serving as a substrate, and iron-nickel sulfide which is in in-situ growth on graphene and is in a spinel structure. The atom ratio of iron, nickel and sulfur in the iron-nickel sulfide is x: (3-x): 4, wherein x is greater than zero and less than three. The invention also provides a preparation method for the composite catalyst, and a method for preparing a dye-sensitized solar cell. The composite catalyst is ingenious in design, is simple in manufacturing technology, well solves problems that a non-platinum system catalyst is low in catalytic efficiency and a platinum catalyst is high in cost, and can meet the demands of the industrial production well. Therefore, the composite catalyst is wide in application range, and is very suitable for large-scale production.

The invention discloses a preparation method of specially-shaped cigarettes with naturally endowed aroma. The preparation method comprises the following steps: respectively grinding a tobacco raw material and natural plant perfumes into powder, and uniformly mixing the powder, thus obtaining mixed powder; uniformly stirring a combustion promoter, an adhesive and a humectant, thus obtaining a mixedsolution; carrying out mixed granulation on the mixed powder and the mixed solution, and carrying out drying, thus obtaining tobacco particles; preparing the tobacco particles into tobacco particle round rods by adopting a tobacco particle round rod forming device; wrapping the tobacco particle round rods by adopting cigarette paper, carrying out cutting forming, and carrying out compounding withfilter sticks, thus obtaining the specially-shaped cigarettes with high homogenization, good stability and naturally endowed aroma. The cigarettes are smooth in smoking, the aroma is fresh and elegant, and good sensual experience can be endowed to a smoker.

A circuit board includes a first dielectric layer, a first circuit layer, a second circuit layer, a plurality of conductive vias, a second dielectric layer, a patterned seed layer, and a plurality of bonding layers. The first circuit layer is disposed in the first dielectric layer. The second circuit layer is disposed on the first dielectric layer. The conductive vias are disposed in the first dielectric layer and connect the first circuit layer to the second circuit layer. The second dielectric layer is disposed on the first dielectric layer and the second circuit layer and has a plurality of openings to expose a plurality of parts of the second circuit layer. The patterned seed layer is disposed on the exposed parts of second circuit layer and sidewalls of the openings. The bonding layers are respectively disposed on the patterned seed layer and made of porous copper.

Catheters for treating body fluids, particularly blood, include one or more tubes through which a working fluid is circulated. The fluid characteristics, e.g., temperature or drug content, interact with the body fluid by transfer through the tube walls. For enhancing the efficiency of such transfer, energy is added to the body fluid where it contacts the tube outer surfaces for reducing the thickness of thermal and concentration boundary layers at the tube surfaces. The energy adding is accomplished by causing pulsations in the walls of the tubes, or in the dimensions of a balloon parallel to the tubes, by means of pressure pulsations in the fluids circulated through the tubes and / or the balloon. Systems are disclosed for providing and controlling the circulation of various fluids and drugs through the catheter.

The invention provides a composite isolation membrane for a lithium-ion battery. The composite isolation membrane is characterized in that various component materials required by the isolation membrane are stirred in a ketone or carboxylate organic solvent in vacuum to prepare isolation membrane paste, and a membrane layer of which the thickness is 20-100 microns is directly prepared on a mylar film carrier or a positive plate or a negative plate of the battery by adopting a wet roller scraping and continuous coating method. The isolation membrane provided by the invention has unique combination of high porosity and high distortion; a resistance value of the prepared lithium battery is lower than those of other batteries in the industry, generated heat is low when the battery works at high power and the performance of the power battery is expected to be improved to that of a new generation.

The invention relates to a method and a device for water feeding and water draining of a rectangular cultivating pond of young panax. A water feeding pipe and a water draining pipe are arranged in a rectangular pond body along the diagonal direction respectively, the water feeding pipe is arranged at one corner of the rectangular pond body, and the water draining pipe is arranged at the position diagonal to the corner where the water feeding pipe is arranged, so that the path of the water flow is extended, and the residence time of the water feeding in the pond is prolonged correspondingly; aplurality of rows of swirl nozzles are arranged on the wall of the water feeding pipe along the vertical direction, each row includes three swirl nozzles facing towards three directions inside the pond, and the row of the swirl nozzles in the middle face towards the diagonal direction of the pond; the water draining pipe is of inner and outer casing pipe structure in which the water level can be adjusted, the height of the water draining port on the inner pipe can be controlled through moving the inner pipe of the water draining pipe up and down to adjust the water level in the pond. The method disclosed by the invention can effectively reduce the volume of a stagnant water area in the pond, improve the water qualiy and the survival rate as well as the growth rate of the young panax, thereby realizing the effects of separation of sewage rows, reduction of pressure of purification treatment of discharge water and secondary utilization of upper layer water draining in the pond.

The present invention relates to a clinker sintering clinker, including a vertical cylinder. Said vertical cylinder includes an external cylinder; an inner liner; two or more staggering mutually fishback pans which are mounted in the inner cavity of the outer cylinder, tightly abuts on the silo and approaches the bottom, with a distance therebetween; and more than two staggering mutually combustion nozzles or other heat source entrances mounted between the fishback pans. Said furnace stove utilizes a countercurrent mode between the falling materials and the ascending air and the heat source, takes full advantage of the possesses high thermal efficiency due to the hot gas and the clinker residual heat after a sintering, and utilizes to facilitate free fall from top to bottom or rolling of the sintered materials. Then the contact between the materials and gas are increased, the heat exchange rate is improved, and the production is increased; at the same time, the sintering quality and the homogeneity thereof of the clinker are ensured, and the material is not easy to block. Said furnace stove has a simple structure and few auxiliary equipments, has a small volume and low first cost, is convenient to examine and repair.

The invention discloses a preparation method of a metal / amorphous nickel-cobalt hydroxide composite electrode for a super capacitor. The method comprises the following steps: (1) preparing an electro-deposition cathode; (2) preparing a metal / alloy nanowire; (3) removing a support substrate of the metal / alloy nanowire; (4) electrodepositing a nickel-cobalt hydroxide on the metal / alloy nanowire; and (5) obtaining the metal / amorphous nickel-cobalt hydroxide composite electrode. Meanwhile, the invention also discloses a composite electrode prepared by the preparation method. Compared with the prior art, the composite electrode can effectively improve the specific mass capacity and cycling stability of the super capacitor and has very high practical values and broad application prospects.

The invention belongs to the technical field of data exchange, and discloses a queue cache management method and system, a storage medium, computer equipment and an application. The method includes framing on data frames subjected to flow classification and grouping processing before the data frames enter a queue cache management module, and framing the lengthened Ethernet data frames into fixed-length frames with fixed bytes; using peripheral control to an on-chip Block RAM, so that a configurable multi-channel FIFO queue is formed and used for storing fixed-length frames. According to the invention, the fixed-length frames of different queues are stored in the whole Block RAM, the storage area is selected in a configurable mode to be presented outwards to form the whole RAM or a plurality of FIFO queues, a proper storage scheme is selected according to the storage area, the utilization rate of storage resources is increased, and the processing and forwarding efficiency of data framesis improved. According to the invention, internal fragments can be avoided as much as possible, the overall rate of the system is improved, and the utilization rate of storage resources is greatly improved.

The invention discloses a data accessing method, device and system, relates to the Internet technology field, and solves the problem of conventional isolated networks that a method of a public network to access data of a private network cannot guarantee data security in a private network data center. The method includes the following steps: sending an access request to a private network server through bidirectional communication connection, wherein the access request is a request of accessing a private network data center server by a public network application client, the bidirectional communication connection is connection which is established actively by the private network server with the public network application client, and the private network server is a server that can access a public network and cannot be accessed actively by the public network; and receiving a response result returned by the private network server, wherein the response result is a result of response of the private network data center server to the access request. The data accessing method, device and system are applied to data exchange among isolated networks.

The invention relates to a method for controlling mechanically polished surface roughness of ULSI multilayer copper wire. It is characterized in that: it uses SiO2 hydrosol at small diameter as abrasive; uses organic alkali as the pH adjuster and complex builder; adds non-ionic surface activator to prepare the polish liquid; the preparation comprises following steps that first, preparing the polish liquid that a, diluting the SiO2 abrasive whose diameter is 15-20nm with the 1-5 times of deionized water; b, using pH adjuster organic alkali to adjust said solution, to make the pH value between 10-12; c, mixing and adding 0.5-10% (volume percentage) aether mellow activator to prepare the polish liquid; then, polishing form 3-5mins, while the flux is 3-5L / min, the temperature is 15-25Deg. C, the rotation speed is 30-120rpm, and the external pressure is zero that there is only the weight of carrier; the invention can effectively reduce the roughness of copper, baffle material and tantalum surface, via the strong complex function and accelerating the surface quantity transmission at alkali condition, with simple process and significant effect.

The invention provides a method for preparing a calcium ion selective molecular sieve and an application of the molecular sieve in descaling. The molecular sieve is prepared by a two-step continuous hydrothermal crystallization method, which comprises the steps of firstly reacting a silicon source and an aluminum source under the action of sodium hydroxide solution to form an aluminosilicate sol, carrying out hydrothermal crystallization for 0.5-1 hour under a sealed condition at 60-90 DEG C, then adding fatty alkyl amines as a structure-directing agent, adjusting the pH value of the solution to 8-13, then carrying out hydrothermal crystallization at 130-150 DEG C for 24-72 hours, filtering, washing and roasting at high temperature to obtain the molecular sieve. The molecular sieve prepared by the method contains cubic crystal particles as well as a plurality of flaky and needle-like crystals and has a higher calcium ion adsorption capacity and adsorption rate which is 2.86 times of the adsorption rate of the traditional 4A molecular sieve. The molecular sieves prepared by the method provided by the invention is used for the field of the descaling of geothermal water, can effectively prevent heat transfer equipment from scaling and can be used as an effective measures to geothermal water pretreatment descaling in a geothermal water descaling system.

The present invention provides a quantum dot surface ligand, which comprises at least one selected from compounds represented by the following structural formulas 1-4, wherein R, R1, R1', R2, R2', R3,R3', R4, R4', R5 and R5' are independently selected from hydrocarbonyl or a hydrocarbonyl derivative, and X1, X1', X2, X2', X3 and X3' are reactive functional groups capable of binding to quantum dots.

The invention discloses a preparation method and application of an aptamer electrochemical sensor. The preparation method comprises the following steps: firstly, activating a screen-printed carbon electrode (SPCE), then dispersing graphene with a solution prepared from poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) and ultrapure water in a volume ratio of 1:1, modifying the surface of the SPCE with graphene dispersion, and drying under an infrared lamp to obtain a graphene-modified SPCE (GR / SPCE); secondly, preparing a nanogold-modified GR / SPCE (AuNPs / GR / SPCE) with an electrodeposition method; and finally modifying the surface of the electrode with an aptamer of which one end is modified with sulfydryl in an Au-S bond covalent binding manner to obtain an aptamer-modified AuNPs / GR / SPCE (Apt / AuNPs / GR / SPCE). According to the method, the surface of a disposable SPCE is modified with the graphene, nanogold and a bisphenol A aptamer to build an aptamer electrochemical sensor amplified on the basis of graphene and nanogold signals. The aptamer electrochemical sensor can detect bisphenol A rapidly, sensitively, efficiently and conveniently at low cost, and has relatively good practical application value.