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713 results about "Dual effect" patented technology

Pharmaceutical composition for treating embolism and preparation method thereof

The invention provides a pharmaceutical composition for treating embolism and a preparation method thereof, the pharmaceutical composition comprises a hydroxyl-contained biocompatible polymer materialand a monomer containing unsaturated double bonds and anion groups, as well as a polymer generated by polymerization reaction of an optional vinyl monomer, wherein the polymerization is initiated through free radicles, and bleomycin or pingyangmycin is combined on the anion groups of the generated polymer. The preparation method combines the bleomycin or the pingyangmycin on a carrier of the polymer, thereby being capable of fully playing the dual effects of an anti-tumor antibiotic and a hardening agent owned by the bleomycin or the pingyangmycin during the embolism treatment. The anion partof the polymer can be properly combined with the bleomycin or the pingyangmycin which is rich in amino groups, thereby not only realizing the higher drug loading, but also leading the drug in an emboliaztion agent to be exchanged by cation in human body, and further realizing the slow release. In addition, the embolic carrier of the polymer has the advantages of simple prepration technology andlow cost, thereby being applicable to large-scale industrial production.
Owner:HYGEA MEDICAL TECH CO LTD

Ecological floating bed device for in-situ enhanced denitrification of micro-polluted river

The invention relates to an ecological floating bed device for in-situ enhanced denitrification of a micro-polluted river, and can effectively solve problems that in the water body of the micro-polluted river, the C/N is relatively low, the available carbon source is insufficient, the denitrification effect is inhibited, and the TN removal rate is relatively low. The technical scheme is that the ecological floating bed device comprises a floating bed frame and emergent plants; the floating bed frame is composed of a rectangular outer floating bed frame 2 and a grid-like inner floating bed frame 3; plant water-permeable planting grooves 4 are uniformly distributed in frame grids; the planting grooves are provided with a floating bed substrate 5 and the emergent plants 1 planted in the substrate; the lower part of the floating bed frame is filled with a perpendicularly downward combined filler; the lower parts of four corners of the outer floating bed frame 2 are connected with fixed piles 7 fixed on a riverbed through connecting ropes 6. The ecological floating bed device provided by the invention is suitable for purifying water body of natural river channels, lakes and reservoirs, as well as landscapes, has dual effects of water surface beautification and water purification, and is simple to mount, economical and practical.
Owner:ZHENGZHOU UNIV

Preparation method for aluminum-scandium alloy target materials

The invention discloses a preparation method for aluminum-scandium alloy target materials. The preparation method comprises the following specific steps of selecting metallic aluminum powder with thepurity of 99.5% or above and the particle size of 10-165 [mu]m, and metallic scandium powder with the purity of 99.5% or above and the particle size of 10-240 [mu]m, and uniformly mixing the metallicaluminum powder and the metallic scandium powder according to the mass ratio that the metallic aluminum powder accounts for 50%-98% and the metallic scandium powder accounts for 2%-50% by mass; putting the mixed powder into a mould, and pre-pressing the mould at room temperature with the pre-pressing force of 20-35 MPa; putting the pre-pressed mould into a vacuum hot press which is vacuumized to 6.7x10<2>-6.7x10<3> Pa, entering a sintering stage, and then cooling the mould to the room temperature; after cooling the mould to the room temperature, releasing vacuum and removing the mould pressureso that the aluminum-scandium alloy target materials are obtained; the relative density of the aluminum-scandium alloy target materials is high through the dual effects of pressure application and sintering; and the composition proportion can be regulated within a larger range.
Owner:CHANGSHA XUNYANG NEW MATERIAL TECH CO LTD

Natural luster finishing machine roller for electromagnetic and resistance heating by using power current

The invention relates to a component used in textile machinery, in particular a natural luster finishing machine roller which comprises a roller body 21, a heating device and a rotary hook-up device, wherein the heating device comprises coils 7, a core barrel 22, a heat insulated pipe 6, a capacitor resistor 10, the core barrel 22, the heat insulated pipe 6 and the capacitor resistor 10 are sequentially arranged at the inner side of the roller body 21; the coil 7 formed by winding a rope-shaped heater is arranged in a groove of the core barrel 22; the starting end wire 8 of each group of coils 7 is connected with one live wire of a three-phase AC power supply on a carbon brush 16, the tail end wire 9 thereof is connected with a capacitor 10 in series and then connected with a shared neutral wire of the three-phase AC power supply on the carbon brush 16, and thus a star-shaped connection circuit combining resistor, inductance and capacitor is formed. By using the principle that power current can generate current while flowing through resistance wires and generate magnetic fields while flowing through magnetic fields to make magnetic conductors generate heat because of inductance, the natural luster finishing machine roller has the advantages of dual effects of electromagnetic and resistance heat, high heating speed, high energy utilization rate and few device failures.
Owner:JIANGSU JUNFENG TEXTILE MACHINERY

Method for reinforcing preparation and reduction of carbon-containing pellets in iron ore

The invention relates to a method for reinforcing preparation and reduction of carbon-containing pellets in iron ore. The method for reinforcing preparation and reduction of the carbon-containing pellets in the iron ore comprises the following steps that (1) the iron ore, a reducing agent, a bonding agent and an additive are prepared according to a certain proportion; (2) prepared mixtures are sent into a ball mill to be crushed, fine ground, evenly mixed and the like, so that fine-sized evenly-mixed materials are obtained; (3) pelletizing or briquetting is conducted by means of the fine-sized evenly-mixed materials, so that the carbon-containing pellets in the iron ore are obtained; and (4) the prepared carbon-containing pellets in the iron ore are subjected to reducing roasting treatment, and thus metallized pellet products can be obtained. According to the method for reinforcing preparation and reduction of the carbon-containing pellets in the iron ore, in the way that the raw materials including the iron ore, the reducing agent, the bonding agent, the additive and the like enter the mill simultaneously after being prepared, the dual effects of fine grinding and sufficient and even mixing of the raw materials are achieved at the same time in the single ore grinding procedure, and the procedure links of fine grinding raw materials separately in advance, then preparing the raw materials in proportion and finally conducting even mixing of traditional operation are greatly simplified; and the quality of the carbon-containing pellets in the iron ore is remarkably improved, and the subsequent reduction process is reinforced.
Owner:CENT SOUTH UNIV

Chemical power poly-generation energy system and method for recycling CO2

The invention relates to the technical fields of energy sources and environment and discloses chemical power poly-generation energy system and method for recycling CO2. In the system, coal gas obtained by gasifying a carbon-rich raw material, and a hydrogen-rich raw material, namely, coke oven gas, are mixed and subjected to a reforming reaction and a chemical synthesis reaction to obtain a reaction product, the reaction product is processed in a flash evaporation process and a rectification process for separation to obtain CO2 gas and a final product, one part of the CO2 gas separated from a rectifying tower is delivered to take part in the gasification process of the carbon-rich raw material, and the other part of the CO2 is delivered to take part in the reforming reaction. By means of the system and the method provided by the invention, the CO2 separated in the rectifying process is used as feed gas to be directly recycled by the system so that a water gas shift reaction, chemical-looping combustion and other methods with higher energy-consumption performance for improving the chemical concentration of the CO2 are avoided, the problems of reduced energy system efficiency caused by the separation of CO2 and difficulties in transporting and storing large amount of CO2 are solved, and thus, a dual-effect production mode for energy-saving and environmental-protection utilization of resources is realized.
Owner:TAIYUAN UNIV OF TECH

Physical pest killing device with light-trapping electric shock killing mode and bonding killing mode integrated

Disclosed is a physical pest killing device with a light-trapping electric shock killing mode and a bonding killing mode integrated. The device comprises an electric-net pest killing lamp, a pest bonding lamp, a lamp bracket and a circuit controller, wherein both the electric-net pest killing lamp and the pest bonding lamp are fixed to the lamp bracket, the circuit controller is installed on the lamp bracket and electrically connected with the electric-net pest killing lamp and the pest bonding lamp, and a plurality of pest-killing electric net rings arrayed at different intervals and a plurality of misleading retention striking plates are arranged in the electric-net pest killing lamp. Because a light-color-changeable pest trapping lamp is adopted in the pest bonding lamp and a reflecting mirror surface layer is additionally arranged, the pest trapping and pest bonding effect is improved; according to the dual-effect physical pest killing device, the clustering of pests can be improved by changing light colors, the pests can be effectively killed by the adoption of the electric net rings for electric shock killing and the pest bonding lamp for bonding killing, the pests can be dazzled to be stricken to death or killed by electric shock by the additional arrangement of the misleading retention striking plates in the electric-net pest killing lamp, and therefore the comprehensive pest killing effect can be greatly improved; a solar panel is additionally arranged on the lamp bracket to broaden the application range of the device.
Owner:CHANGZHOU LVSHANGXIAN NETWORK TECH CO LTD

Heat energy sustainable utilization and coal fire control system and method for coal field fire zone

The invention discloses a heat energy sustainable utilization and coal fire control system and method for a coal field fire zone. The system is composed of a vacuum liquid tank, a cooler, a cooling fan, horizontal drill holes, a high-temperature-resistant circulating pump, a thermoelectric power generation module, a voltage stabilizing and increasing module, a storage battery and an inverter. The main operating method includes the steps that the coal field fire zone is isolated with a machine excavation method, the horizontal drill holes are formed in the independent coal field fire zone, a heat carrier absorbs heat in the fire zone through the horizontal drill holes to become a high-temperature heat carrier, the high-temperature heat carrier enters the vacuum liquid tank under the action of the high-temperature-resistant circulating pump, and the thermoelectric power generation module at the bottom of the vacuum liquid tank generates power with the temperature difference between the top end and the bottom end of the thermoelectric power generation module. By means of the system, the heat of the coal field fire zone can be cyclically and sustainably extracted through the heat carrier, heat energy is converted into electric energy through thermoelectric power generation, and thus resource waste is reduced; meanwhile, fire source spreading is prevented by isolating the coal field fire zone, the dual effects of waste energy recycling and coal fire control are achieved, and the system has high practicability.
Owner:CHINA UNIV OF MINING & TECH

Auxiliary solar energy carbon-dioxide-capturing and heating integrated system and method thereof

The invention discloses an auxiliary solar energy carbon-dioxide-capturing and heating integrated system and method thereof. The integrated system is mainly composed of a coal-fired power generation subsystem, a steam extraction pressure reduction temperature reduction circulation subsystem, a carbon dioxide capturing subsystem, a solar energy heat collection subsystem and a heat supplying subsystem. The subsystems are connected with a valve mainly through a heat exchanger and related pipelines to form the integrated system. To meet the heat supply requirements of the coal-fired power generation subsystem, the carbon dioxide capturing subsystem and the heat supplying subsystem at different times in different seasons, the solar energy heat collection quantity is supplied for different subsystems through an output end valve control mode. The system can maintain dual effects of power plant power output and carbon dioxide emission reduction in summer, and the heat supplying area is increased on the basis of achieving carbon dioxide emission reduction of a coal-fired power plant in winter. The integrated system can achieve renewable energy utilization and power plant carbon dioxide capturing at the same time, and large-scale application of the domestic solar energy utilizing and carbon dioxide capturing technology is strongly promoted.
Owner:TIANJIN UNIV

Method for culturing Cordyceps militaris by using highland barley as main raw material

The invention discloses a method for culturing Cordyceps militaris by using highland barley as a main raw material, belonging to a fungus culture method in the biotechnology, in particular relates to a method for artificially culturing the fungus, and particularly relates to a method for artificially culturing Cordyceps militaris. The method comprises the following steps of preparing nutrient solution, preparing highland barley growing culture medium, preparing liquid strain, inoculating, culturing, harvesting and the like. The method has the beneficial effects that the highland barley is used as a medium raw material to culture Cordyceps militaris, and the nutrients of the highland barley are absorbed by Cordyceps militaris in the growth phase, so that the content of the effective ingredient cordycepin in the Cordyceps militaris is improved to 1% in the method from the original 0.5%, the content of effective ingredient cordycepic acid is improved to 9% of the product from the existing 6.1%, the content of effective ingredient cordyceps polysaccharide is improved to 10.5% of the product from the existing 7.4%, and the content of the effective ingredients of the Cordyceps militaris is totally improved by 200-250%; and the highland barley is used as the medium raw material to culture the Cordyceps militaris, and thus the obtained Cordyceps militaris has dual effects of the highland barley and the Cordyceps militaris.
Owner:西藏月王药诊生态藏药科技有限公司
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