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5718results about How to "High economic value" patented technology

Photo-electric conversion cell and array, and photo-electric generation system

A photo-electric conversion array is formed by connecting photo-electric conversion cells in series. Each photo-electric conversion cell includes: a substrate, at least one main surface of which is made of a conductor layer; plural crystalline semiconductor particles provided on the conductor surface of the substrate; an insulation layer filled in clearances among the crystalline semiconductor particles; a transparent electric conducting layer provided above the plural crystalline semiconductor particles; a collector electrode, formed on the transparent electric conducting layer, to collect electricity from the transparent electric conducting layer. The substrate is provided with a substrate electrode portion at one end portion, through which the conductor surface of the substrate is exposed, and a connection electrode is formed by extending the collector electrode, so that the connection electrode in a given photo-electric conversion cell is connected to the substrate electrode portion in another photo-electric conversion cell. It is thus possible to provide a photo-electric conversion array capable of maintaining the reliability as to the adhesion strength, with a good outward appearance as well as excellent reliability and power generation efficiency.
Owner:KYOCERA CORP

ARM (advanced RISC (reduced instruction set computer) machines) and FPGA (field-programmable gate array) based navigation and flight control system for unmanned helicopter

The invention discloses an ARM (advanced RISC (reduced instruction set computer) machines) and FPGA (field-programmable gate array) based navigation and autonomous flight control system for an unmanned helicopter. The system comprises a PC (personal computer), an integrated navigation subsystem, a power supply module and controllers, wherein the integrated navigation subsystem comprises a sensor group; the sensor group comprises a GPS (global positioning system), a gyroscope, an accelerometer, a magnetoresistive sensor, a barometric altimeter and a sonar altimeter; the controllers include a main controller and a steering engine controller; the main controller adopts an ARM microprocessor to operate the integrated navigation algorithm and flight control PID (proportion integration differentiation) algorithm and simultaneously completes data acquisition of the GPS, the barometric altimeter and the sonar altimeter; and the steering engine controller adopts an FPGA to realize data acquisition of the gyroscope, the accelerometer and the magnetoresistive sensor and transfers the data to the main controller via a concurrent bus to carry out attitude calculation and control operation on the unmanned helicopter. With the unmanned helicopter as a carrier, the hardware environment of a whole set of flight control system integrating study of the aircraft navigation and control theory problem, data acquisition, information transfer and embedded control is set up.
Owner:TIANJIN UNIV

System and method for identification of quasi-fungible goods and services, and financial instruments based thereon

A system and method of creating a financial instrument from at least one of a good, service and combination thereof based on quasi-fungibility thereof comprising specifying at least one of a reference good, service and combination thereof; specifying at least one of a reference use, specification and combination thereof of said at least one of a reference good, service and combination thereof; identifying at least one of an alternative good, service and combination thereof analogous to said at least one of a reference good, service and combination thereof and having at least one of a use, specification and combination thereof quasi-fungible to said at least one of a use, specification and combination thereof of said at least one of a reference good, service and combination thereof; assessing the degree of quasi-fungibility of said at least one of an alternative good, service and combination thereof by comparison of said at least one of an alternative good, service and combination thereof to said at least one of a reference good, service and combination thereof and by comparison of said at least one of a use, specification and combination thereof of said at least one of an alternative good, service and combination thereof to said at least one of a use, specification and combination thereof of said at least one of a reference good, service and combination thereof; determining if said degree of quasi-fungibility at least meets a predetermined level of quasi-fungibility; and creating a financial instrument based on said at least one of an alternative good, service and combination thereof if said degree of quasi-fungibility at least meets said predetermined level of quasi-fungibility.
Owner:IOLIGHT TECH LLC

Ammonia process flue gas treatment method for acidic tail gas and device

ActiveCN103223292AIncreased self-concentrationGood desulfurization absorptionDispersed particle separationAmmonium sulfatesEnvironmental resistanceAmmonia storage
The invention relates to an ammonia process flue gas treatment method for acidic tail gas. The method includes the steps of: 1) controlling the sulfur dioxide concentration of tail gas entering an absorption tower at a level of less than or equal to 30000mg/Nm<3>; 2) arranging process water in an absorption tower entrance flue or in the absorption tower or cooperating with a ammonium sulphate solution to perform spray cooling; 3) disposing an oxidation section in the absorption tower, setting an oxidation distributor at the oxidation section to achieve oxidation of a desulfurized absorption liquid; 4) arranging an absorption section in the absorption tower, utilizing an absorption liquid distributor in the absorption section to realize desulfurization spray absorption by an ammonia-containing absorption liquid, which is fed through an ammonia storage groove; 5) arranging a water washing layer at an absorption section upper part in the absorption tower, washing the absorption liquid in the tail gas by the water washing layer and reducing the absorption liquid escape; and 6) setting a demister at the upper part of the water washing layer in the absorption tower to control the mist drop content in the purified tail gas. Employment of the Claus sulfur recovery and ammonia process desulfurization integrated desulfurization technology in the coal chemical industry can reduce the investment cost of after-treatment, the process can be simpler, and factory environmental protection treatment can form an intensive advantage.
Owner:JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECTION

Lithium-sulfur battery sulfur/carbon composite positive electrode material, preparation method and applications thereof

The present invention belongs to the field of lithium ion battery positive electrode materials and lithium ion batteries, and particularly relates to a lithium ion battery positive electrode material and a preparation method thereof, a positive electrode adopting the material, and a lithium ion battery adopting the positive electrode. The lithium-sulfur battery sulfur / carbon composite positive electrode material preparation method comprises: mixing sulfur and carbon through a ball milling method or a stirring method, carrying out heat preservation on the obtained mixture for 0.5-24 h at a temperature of 100-600 DEG C in vacuum, argon or nitrogen atmosphere, and cooling to obtain the sulfur / carbon composite material, wherein a carbon-containing biomass material is adopted as a carbon source, and is subjected to carbonization to obtain the used carbon, the used sulfur is elemental sulfur, and a mass ratio of the sulfur to the carbon in the composite material is (0.4-5):1. With application of the prepared sulfur / carbon composite material as the lithium ion battery positive electrode material, first discharge capacity can be 1300-1600 mAhg<-1>, and capacity after 200 cycles can be 620 mAhg<-1>.
Owner:ZHEJIANG UNIV

Method for cultivating hickory nut stock grafting seedling

The present invention discloses a cultivating method with Carya cathayensis stock as scion, the procedure of which is to establish a seedling nursery of Carya cathayensis stock; the Platycarya strobilacea, Carya cathayensis, American Carya cathayensis or Hu nan Carya cathayensis are adopted as the stock, and the growing branch of the bearing tree of Carya cathayensis is adopted as the breeding mother tree for scion and cutting; the bed seedling of Carya cathayensis or the Carya cathayensis with the diameter at ground level is equal to or larger than one point seven centimeter and transplanted at the beginning of November of the previous year before scion and the hardy Carya cathayensis with the growth of one to two years are chosen as the stock, and the spacing in the rows and spacing between rows is not less than twelve multiplied twenty five centimeters; in the period from 10th November in the previous year to 31st January then, the hardy breeding branch with full bud, short intersegment and growth of one or two years is collected from the scion mother tree in the cutting orchard as the scion, and is arranged after collection in the shadow for twelve hours to thirty six hours, and is sealed and packed in a plastic film, and is stored into a refrigerated storage at 4 DEG C; when thirty percent of stock seedling starts to sprout in the cutting orchard or in the transplanted ground, the scion is completed within two or three weeks. The technical proposal can dwarf the tree of the Carya cathayensis, shorten the childhood period and fruit ahead of time.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Technique for continuously extracting sweet potate starch, sweet potato protein and dietary fiber from sweet potato

InactiveCN101411419ARealize full price utilizationHigh economic valueFood preparationHigh concentrationPotato starch
The invention provides a process for continuously extracting sweet potato starch, sweet potato protein and dietary fibre from sweet potato specially for processing the sweet potato and belongs to the filed of food biotechnology. The sweet potato is cleaned, is added with a color protective solution, and is pulverized, ground and squeezed in order to separate sweet potato residue and cell sap; a cleaning solution of the sweet potato residue and the cell sap are mixed and are filtered through a standard sieve with 200 meshes; a filtrate is subjected to centrifugal dehydration twice and is dried to obtain starch; after starch milk is separated out, the filtrate is degraded with starch; the filtrate with molecular weight of between 5,000 and 10,000 is intercepted, ultrafiltered, condensed and dried to obtain coarse protein of the sweet potato; and the sweet potato residue is added into a biological reactor, is added with water, protease and amylase for reaction, and is subjected to filter pressing, drying and pulverization to obtain insoluble the dietary fiber of the sweet potato. The method can fully utilize organic compositions in the sweet potato, minimize the generation and emission of organic wastewater and waste residue with high concentration, realize the full-value utilization of the sweet potato, and remarkably improve the economic value of the sweet potato.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Co-production of xylose, xylitol and arabinose from agricultural and forestry wastes

The invention relates to a clean technique for co-producing xylose, xylitol and arabinose from agricultural and forestal waste, belonging to the field of utilization of agricultural and forestal waste. The technique comprises the following steps: pretreating and preprocessing the raw material, and hydrolyzing in a thermophilic digestion mode to prepare a hemicellulose hydrolysate; after centrifugalizing to remove solid residues, carrying out TiO2-loaded activated carbon photocatalysis or ion exchange resin decolorization and detoxification treatment on the hydrolysate; carrying out MVR (mechanical vapor recompression) concentration treatment and gradient-cooling crystallization to obtain a xylose product and a xylose mother solution; fermenting L-arabinose unconverted xylitol fermentationhigh-yield strain xylitol by using the xylose mother solution as the medium to produce the xylitol; centrifugalizing to remove thalli, and carrying out decolorization and desalting treatment by membrane-process or resin adsorption; separating by using a simulated moving bed or chromatographic separation technology to obtain a xylitol phase and an L-arabinose phase; and carrying out MVR or vacuum concentration treatment on the two phases, and crystallizing in a gradient programmed cooling mode to respectively obtaining a xylitol product and an L-arabinose product, wherein the two mother solutions can be recycled.
Owner:BEIJING UNIV OF CHEM TECH

Implantable nerve electrical stimulation device and system

The invention discloses an implantable nerve electrical stimulation device which comprises a personal digital assistant (PDA), an in vitro controller, an in vivo stimulator and a stimulation electrode. A user uses the PDA to record the information of an experiment animal, and the working condition of the in vivo stimulator and the stimulation electrode. Stimulation parameters are programmed and are transmitted to the in vitro controller through bidirectional wireless radio frequency communication. Data and energy percutaneous wireless transmission is carried out between the in vitro controller and the in vivo stimulator through in vitro and in vivo coil coupling. The in vivo stimulator is sealed by a biology compatible silicone material, produces a stimulation pulse with specific parameters, and outputs the stimulation pulse to the stimulation electrode which is implanted into an epidural space through operation, so as to carry out spinal cord nerve electrical stimulation. The stimulation electrode is a multi-contact electrode based on a flexible circuit board technology. Insulation package is carried out on a number of gold-plated electrode contacts through polyimide. The device and the system, which are provided by the invention, are used for analgesia and promoting the mechanism study of movement function recovery after spinal cord injury, and can be used for the animal experiment study of the electrical stimulation therapy of Parkinson and other neurological diseases.
Owner:HUAZHONG UNIV OF SCI & TECH
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