885 results about "Loading rate" patented technology

In a method of forming an oxide layer using an atomic layer deposition and a method of forming a capacitor of a semiconductor device using the same, a precursor including an amino functional group is introduced onto a substrate to chemisorb a portion of the precursor on the substrate. Then, the non-chemisorbed precursor is removed. Thereafter, an oxidant is introduced onto the substrate to chemically react the chemisorbed precursor with the oxidant to form an oxide layer on the substrate. A deposition rate is fast and an oxide layer having a good deposition characteristic may be obtained. Also, a thin oxide film having a good step coverage and a decreased pattern loading rate can be formed.

The invention provides a pure electric passenger vehicle communication system based on three ways of CAN buses, comprising a plurality of controllers and three ways of CAN buses, wherein, the CAN buses comprise three ways of CAN buses which are coupled with the plurality of controllers and consist of a CAN1 bus, a CAN2 bus, and a CAN3 bus; the CAN1 bus is a high-speed CAN bus and used for the control of a power system; the CAN2 bus is a high-speed CAN bus and used for the transmission of power battery monometer data; and the CAN3 bus is a low-speed CAN bus, provided with a plurality of vehicle body control nodes, and used for achieving the information collection and control of each part of the vehicle body. The system causes the loading rate of the power system control bus to be greatly reduced, ensures the real-time performance of the control, and improves the driving safety of the electric vehicle.

A device prosthetic foot device with variable stiffness response includes a variable energy transfer medium disposed between first and second foot members to transfer at least some energy from the second member to the first member during use. The energy transfer medium includes a variable viscosity fluid such that the variable viscosity fluid, and thus the energy transfer medium, variably transfers energy between the first and second members to vary stiffness of the prosthetic foot device. The variable viscosity fluid can include a shear stiffening material that increases in viscosity as a load or strain, or rate of loading or rate of strain, applied, or a magneto or electro rheologic fluid responsive to a magnetic or electric field.

The invention discloses a testing method of the shearing resistance between a sealing gum and a stuck sample interface of a stuck base material, which manufactures the stuck base material into two samples, and a cavity with specified size is reserved in the middle for injecting the sealing gum, thus integrating the stuck base material and the sealing gum into a whole stuck sample which is placed in the environment with the temperature of 20 DEG C minus or plus 2 DEG C and the relative humidity of 65 percent minus or plus 5 percent for being conserved for 28 days, and the samples are respectively placed into an upper shearing box and a lower shearing box, positive pressure P1 is exerted on an upper part, and horizontal force P2 is exerted simultaneously. The shearing force exerted on the samples is measured by a dynamic meter 5. The shearing force P2 is exerted with specified loading rate, and until a shearing surface between the stuck base material and the sealing gum is destroyed, and the largest force measured by the dynamic meter 5 is the shearing resistant force. The value obtained by dividing the shearing resistant force by the area of the stuck sample interface is the shearing resistance between the bonding interfaces of the stuck base material and the sealing gum under the positive pressure P1. The testing method of the shearing resistance between the sealing gum and the stuck sample interface of the stuck base material has simple operation, convenient use and favorable popularization, has no need of new additional equipments, and has strong guidance to specific industrial practices.

The invention discloses a honeycomb integral type low temperature denitrifying catalyst and a preparation method thereof. The preparation method comprises the following specific steps: 1) dissolving ferric sat or cobalt salt or copper salt or nickel salt and manganous salt or cerium salt in water to form a metallic salt solution; 2) soaking titanium dioxide in the metallic salt solution to form suspension, using an impregnation method or coprecipitation method or hydrothermal method to prepare the suspension into catalyst active components; 3) mixing the catalyst active components with the inorganic binding agent, the organic polymer solution, the surfactant and water, stirring to form a slurry; 4) coating the slurry on a honeycomb cordierite carrier; and 5) drying the coated honeycomb cordierite carrier, and calcining, to obtain the honeycomb integral type low temperature denitrifying catalyst. The active components of the catalyst obtained through the preparation method of the invention are high in loading rate on the carrier, the coating and the carrier are firmly bound, and the low temperature denitrifying activity is high.

A vehicle dispatch system enables optimal dispatch of a plurality of vehicles with information of available vehicles from transportation company terminals and information of orders from client terminals under restrictive conditions such as vehicle sizes, minimum loading rates, and a maximum number of assignment locations, based on transportation regions preset in consideration of transportation times, past order quantities, and order congestion degrees, such that a relevant vehicle can perform delivery of freight within a predetermined transportation region to minimize a total transportation cost for each transportation region. The system minimizes a delivery distance of each vehicle, increases a loading volume of the vehicle to reduce an empty rate of vehicles, and minimizes the number of dispatched vehicles, thereby reducing the total transportation cost.

The invention relates to an acid amide-grafted sodium alginate nanometer material, a preparation method thereof and use thereof. The acid amide-grafted sodium alginate nanometer material comprises acid amide having an aliphatic chain and sodium alginate having a molecular weight of less than or equal to 50,000, and is characterized in that a carboxyl group of the sodium alginate is grated with hydrophobic acid amide by a chemical synthesis method for hydrophobic modification so as to form an amphipathic material, namely a modified sodium alginate nanometer material, having both hydrophobicity and hydrophilcity. The acid amide-grafted sodium alginate nanometer material performs self aggregation in deionized water to form nanoparticles, wherein the diameter of the nanoparticles is between 40 and 1,000 nanometers; under a condition of substituted ratio of 2 percent, the mean particle diameter of the nanoparticles is 596.2 nanometers; the medicament-loading rate is up to 40 percent; the medicament entrapment rate is up to 95.1 percent; and the medicament release time is as long as 6 days. The acid amide-grafted sodium alginate nanometer material can be used in a plurality of pharmaceutical fields as a slow release carrier of a plurality of medicaments, particularly hydrophobic medicaments, protein medicaments, polypeptides and vaccines.

The invention discloses a vehicle pooling method of a freight vehicle-pooling platform. The method comprises the following steps: 1) carrying out freight owner vehicle-pooling information issuing and checking; 2) extracting freight owner vehicle-pooling information on the platform and carrying out classification on the freight owner vehicle-pooling information; 3) dividing each piece of vehicle-pooling information into fixed information and floating information; 4) extracting vehicle owner information from a platform database and carrying out classification on the information; 5) dividing each piece of vehicle owner information into fixed information and floating information; 6) intelligently matching an appropriate vehicle-pooling freight owner according to the fixed information and the floating information in the vehicle-pooling information and determining an optimal vehicle-pooling scheme; 7) intelligently pushing to the vehicle-pooling scheme determined in the step 6) to a vehicle owner meeting screening conditions; 8) calculating vehicle-pooling cost of each freight owner; and 9) if vehicle-pooling is successful, starting vehicle pooling. The method not only can ensure efficient vehicle pooling and save transport cost of each freight owner, but also can improve loading rate of each driver.

The invention relates to a sustained-release granular formulation for preventing and treating crop diseases and insect pests and a preparation method thereof. The pesticide sustained-release granular formulation comprises bentonite, an organic modifier, pesticide active ingredients, an inert filler and a binding agent, and is prepared by the preparation method comprising the steps of: (1) with the bentonite as a basic material, modifying the bentonite by the organic modifier to obtain organic bentonite; (2) loading the pesticide active ingredients on the organic bentonite to prepare medicine-carrying organic bentonite; and (3) mixing the medicine-carrying organic bentonite, the inert filler and the binding agent proportionally, and pelleting to obtain the sustained-release granular formulation. The preparation method of the sustained-release granular formulation, provided by the invention, not only overcomes the defect of low pesticide loading rate of the natural bentonite, but also realizes the controlled release of the pesticide by adjusting a chemical structure and the amount of the modifier, so that the sustained-release granular formulation is coincident with an occurrence rule of the plant diseases and insect pests, and the pesticide sustained-release granular formulation is used safely, reasonably, economically and effectively.

The invention discloses a true triaxial test method for simulating shearing type rock burst. In the method, a true triaxial loading path and boundary condition characterized in that a single surface is free and five surfaces are stressed is adopted, a test piece with a large size is adopted, a certain three-dimensional load is applied, a loading rate of one direction is controlled, and a cuboid rock sample of which the single side is free under a three-dimensional compression stress state is used for simulating a special mechanical behavior of a field surrounding rock representativeness rock unit in a tangential stress centralization process. When the method is adopted, an inoculation and generation overall process of the shearing type rock burst can reappear in a laboratory, the problem that a traditional indoor test method cannot reasonably simulate the shearing type rock burst under a complex stress condition is solved, and the true triaxial test method has important practical significance and academic value for the mechanism and prediction studies of the type of rock burst.

The invention relates to a commodity distribution path planning method based on an MoCD algorithm (multi-object constraint algorithm based on Dijkstra algorithm), which includes the following steps of: firstly taking intersections or endpoints of roads as nodes and building a model of an urban road network according to actual urban road conditions; secondly determining commodity price information, and screening manufacturers which accord with commodity sending destinations; then selecting the manufacturers according to the required commodity number and the manufacturer stock quantity, and a supply and demand scheme which has multiple manufacturer combinations so as to satisfy required commodity quantity existing; and finally planning an optimal path by using the Dijkstra algorithm based on manufacture geographic positions and vehicle positions determined in the last step, and using a step by step search method to improve the search efficiency of the invention algorithm. The transport cost is saved, and the vehicle loading rate and the distribution efficiency are improved by planning the optimal path.

The invention relates to a method of detecting stability of a rock mass side slope and warning and forecasting instability of the side slope by adopting motive power increment displacement response ratio parameters. A motive power monitoring and warning method of rock mass landslide includes the following steps: (1) ensuring side slope geometric elements to be detected, mapping of a sliding surface and self weight of a landslide body, (2) designing and arranging side slope downward sliding motive power and displacement monitoring points, (3) monitoring and ensuring the side slope downward sliding motive power and downward sliding displacement response, (4) ensuring side slope downward sliding motive power loading rate parameters, (5) ensuring side slope downward sliding displacement response rate parameters, (6) ensuring landslide motive power increment displacement response rate parameters, (7) ensuring a landslide stability motive power increment displacement response rate criterion, and (8) monitoring side slope stability and monitoring and early warning. Stability coefficients of a limit equilibrium method are organically coupled with a displacement timing sequence analytic method and characteristics of displacement predictive parameters, and limitations of a traditional method are overcome.

The invention discloses a method for testing brittle material dynamic-shear fracture toughness and an implementation device thereof. The method comprises the following steps of installing a cylindrical sample with annular precracks on a Hopkins pressure lever dynamic experiment device, applying a dynamic shear force for two ends of the cylindrical sample with the annular precracks arranged between an incident bar and a transmission bar by impacting the incident bar by an impact pellet, and calculating dynamic-shear fracture toughness KIIC of the brittle material and a corresponding loading rate by a strain value, incident bar and transmission bar cross sectional areas, pressure lever elasticity modulus and sample confining pressure value according to a formula provided by the invention. The method can acquire dynamic-shear fracture toughness of a quasi-brittle material and fills in gap of the research field.

The invention relates to a method for preparing natural material inorganic nanoparticle composite nano-fiber through electrostatic spinning, which comprises steps that a template is added into diluted aqueous alkali, the mixture is heated to 80-90 DEG C through an oil bath, mixed for 1-10 hours, gradually added with tetraethyl orthosilicate, centrifugally washed by deionized water and absolute ethyl alcohol sequentially, and dried and reflowed in HCL-ethanol mixed liquor to remove the template, so freeze dried mesoporous silicon is obtained; and natural materials are dissolved in the solvent to prepare the natural material solution, the mesoporous silicon is added into the natural material solution for electrostatic spinning, fumigating and crosslinking are carried out for 0-48 hours, so the natural material mesoporous silicon composite nano-fiber is obtained. The natural material inorganic nanoparticle composite nano-fiber which is prepared by the method has good biocompatibility, a simple preparation method and moderate reaction conditions, is low in experimental raw material price, has high drug-loading rate, can be controlled to be released for a long term, and can be applied in the biomedicine and tissue regeneration fields of growth factor and gene release of tissue engineering, cancer treatment and the like.

The invention relates to a surface defect form and depth on-line lossless detection method of a high-temperature continuous casting blank, comprising the following steps: scanning the surface distanceof the transverse direction of the high-temperature continuous casting blank along a pulling-speed direction of the casting blank; measuring distance two-dimensional lattices on the running directionand the transverse direction of the casting blank; converting the distance two-dimensional lattices into a distance dimensional HSB two-dimensional diagram; and finally processing the HSB two-dimensional diagram to recognize the forms of surface defects and calculate the depths of the defects in a quantization mode. The method can effectively inhibit the interference of non-defect oxidative sheetiron in a defect form, realize the surface defect form and depth on-line detection of the continuous casting blank above 950 DEG C and evaluate the quality of the surface defects of the integral high-temperature continuous casting blank. The surface defect form and depth on-line lossless detection method has significances for increasing the automatic level of the surface detect detection of the high-temperature continuous casting blank, reducing the production cost, increasing the direct rolling and heat transmitting and loading rate of the continuous casting blank and has important guiding functions for developing a continuous casting blank quality forecast system, improving a continuous casting process technology and increasing the casting blank quality.

The invention discloses an amphiphilic prodrug of 7- ethyl-10-hydroxycamptothecin, which is prepared by connecting hydroxyl at the site 10 and/or 20 site of the 7-ethyl-10- hydroxycamptothecin and a hydrophilic group through a scissionable chemical bond. The amphiphilic prodrug is self-assembled in water to form a micelle or vesicle structure. Therefore, on one hand, the solubility of SN-38 in water is greatly increased, and the stability of SN-38 lactone rings is improved; and on the other hand, the drug loading rate is high and the SN-38 can be quickly released in cells, consequently the defect of low drug loading rate of traditional drugs is overcame. Moreover, with the nano-micelles or the nano-vesicles of the prodrug, EPR (enhanced permeability and retention) effect targeted cancer tissues of tumors can be effectively utilized.

The invention discloses abamectin microcapsule powder prepared from a lignin-based wall material and a method for preparing the abamectin microcapsule powder by use of the lignin-based wall material. The method comprises the following steps: dissolving a purified amido sodium lignosulfonate wall material and an emulsifying agent in water so as to prepare an aqueous solution to obtain a water phase; dissolving an abamectin tech in an organic solvent to obtain an organic phase; uniformly adding the organic phase into the water phase under a rotating condition, and then shearing; and then regulating the pH value of a dispersion liquid and performing a complex coacervation reaction; cooling, adding a cross-linking agent for a cross linking reaction, performing centrifugal separation, filtering and drying to obtain the microcapsule powder. The preparation process of the abamectin microcapsule powder is simple, the wall material is environmentally friendly and degradable, and abamectin tech photolysis can be prevented; the prepared microcapsule is relatively high in drug-loading rate and entrapment rate and obvious in slow release effect, and regulation and control on release can be realized within a certain pH range.

The invention discloses preparation and application of an insoluble drug-entrapped poloxamer/amphiphilic polysaccharide mixed micelle. The insoluble drug-entrapped poloxamer/amphiphilic polysaccharide mixed micelle is prepared through a dialysis method or a solvent evaporation method. The mixed micelle is low in critical micelle concentration, is high in drug-loading rate, is capable of obviously prolonging the stabilization time and has the long-circulation function of a nanomicelle and has dual functions of restraining the metabolism of P-glycoprotein and cytochrome P450 enzyme and is capable of increasing the bioavailability of oral administration. The mixed micelle is simple in preparation method, is mature in process and is high in yield and can be prepared into preparations for the oral administration, such as tablets, capsules, pills and syrups.