749 results about "Compound system" patented technology

An automatic or semi-automatic preparation system and process is provided for forming a medicament solution from a vial containing one of a liquid and a non-liquid material.

The invention discloses a polymer/graphene anti-static coating, a preparation method and application thereof. The coating comprises the following constituents by weight percent: 0.01 portions to 0.5 portions of graphene; 0 portion to 10 portions of conductive additive; 90 portions to 100 portions of polymer; and solvent; the preparation method thereof comprises the following steps: completely and uniformly mixing graphene and conductive additive in advance by various manners; preparing a graphene-conductive additive compound system; using the compound system as a base, adding in conductive additive and polymer along with the solvent, completely and uniformly mixing to obtain the coating. Additionally, an anti-static film can be prepared by using different film forming technologies. The polymer/graphene anti-static coating, the preparation method and application thereof effectively solve the problems that graphene in polymer is easy to agglomerate and difficult to be uniformly dispersed in the preparation process of anti-static coating and film; the anti-static performance and mechanical performance of the coating and the film are greatly increased; meanwhile, the preparation technology is easy to be operated; the production is continuous, and the coating and film are suitable for industrial production.

The invention relates to a liquid silicon fertilizer and a production technique thereof, and belongs to the technical field of fertilizer. The liquid silicon fertilizer is characterized in that raw materials comprise soluble silicon, urea, trace elements, chelate and fulvic acid, which are prepared into the balanced compound fertilizer. The production technique comprises the following steps: 1, dissolving solid potassium metasilicate; 2, dissolving sulfate of the trace elements in water, and adding EDTA into the mixture to obtain the chelate of the EDTA trace elements; and adding boric acid, ammonium molybdate, the urea and the fulvic acid into the mixture after cooling and filtration; and 3, blending the chelate into the mixture to obtain the liquid silicon fertilizer. The production technique is characterized in that (1) the production technique uses water glass and the fulvic acid chelate, has better buffer action for alkali, and can effectively improve stability of SiO3; and (2) the trace elements are chelated twice by using the EDTA and the fulvic acid to form chelated metal ions, so as to prevent silicic acid radicals and the metal ions reacting to form silicate difficult to be dissolved in water, and influence utilization rate of silicon element. The production technique uses the liquid potassium metasilicate and large amount of elements, trace elements and organic substances to establish a balanced compound system, and can effectively improve utilization rate of the silicon element and various nutrient elements for the crops.

The invention discloses a laser link communication-measurement composite system. Through adoption of the laser link communication-measurement composite system, the payload weight, size and power consumption can be lowered. The laser link communication-measurement composite system is implemented by the following technical scheme: an optical antenna transmits a comprehensive optical signal to a rapid reflecting mirror through an eye lens at a transmitting end; reflected light splits a light beam of the comprehensive optical signal into two paths through a beam splitter; one path is transmitted into another beam splitter through the beam splitter to transmit the light beam into a coarse tracking module in order to extract a target position coarse miss distance, and a control voltage is applied to a two-dimensional turntable according to an embedded control algorithm; the other path of comprehensive optical signal is introduced into the field range of a fine tracking module through the beam splitter, and transmitted into the fine tracking module to extract a target position fine miss distance, the overall offset of fine field light spots is controlled, the light spots are introduced into the center of a fine tracking field to obtain target angle information, and the extracted target position fine miss distance is transmitted into a ground/satellite platform comprehensive electronic management and processing module to finish target capture and an aiming function and establish a communication link.

An antifriction composite system (1) for a bearing part (2), such as a sliding bearing part, with a metallic backing (3) and a functional coating (4), which comprises a top layer (5) with a friction-reducing effect. The functional coating (4) has an elastomer layer (6) lying directly under the top layer (5). The invention also relates to a bearing part (2) with an antifriction composite system (1) of this type.

The invention relates to a rice field-fishpond planting and breeding compound system, which belongs to the technical field of comprehensive utilization of agricultural ecological aquaculture. The compound system comprises a rice field, a fishpond, a simple ecological ditch and a strengthened ecological ditch, wherein the rice field is arranged at one end of the fishpond; the strengthened ecological ditch and a water collecting tank are respectively arranged on one side of each of the fishpond and the rice field; the simple ecological ditch is formed in the rice field; a small overflow port is formed in the simple ecological ditch; the rice field is communicated with the water collecting tank by a large overflow port; the fishpond is communicated with the simple ecological ditch by a water suction pump. According to the rice field-fishpond planting and breeding compound system disclosed by the invention, the rice field planting and the fishpond breeding are organically combined by the ecological ditches, so that the fishpond breeding water is refluxed to a new circulating water planting-breeding mode after being purified by the rice field and the ecological ditch. Moreover, the problems that an existing rice-orientated planting-breeding mode with the fish breeding has rice-fish contradictions including field drying, fertilizer applying, pest controlling and the like in the production process, and is limited in yield and inconvenient for large-area popularization are solved.

The invention relates to a compression-adsorption compound heat pump heating system, which combines the compression heat pump and the adsorption heat pump with different methods to provide a compound waste heat utilization heating system, which is belonging to the waste heat utilization, energy saving and environment protection area. The compression system and the adsorption system can use one condensation-evaporation device to form a integrated system; or they are independent to form a compound heat pump heating system; or they can form a series heating system both in waste heat utilization and heat supply; or they can form a mixed connection heating system. The invention can combine the compression and adsorption techniques to overcome the defects of them, improve the utilization degree of waste heat, enlarge the application range, expanding the temperature range, improve the safety and improve the energy saving, environment protection and economic benefit.

A turbocompound system for an engine is disclosed. The system includes at least one turbocharger. At least one first electric machine is rotatably coupled to the at least one turbocharger, and a second electric machine is rotatably coupled to the engine. The system further includes a control system configured to enable recovery of energy through operation of the at least one first electric machine and the second electric machine.

The invention discloses a method for preparing aliphatic polyisocyanurate by using a microreactor, which comprises the following steps: adding isocyanurate and a catalyst compound system formed by quaternary ammonium salt and inert alcohol solvent to enable the isocyanurate to generate a polymerization reaction; then feeding a formed material flow into a dynamic reactor for continuously carrying out a polymerization reaction; and enabling reaction solution obtained by the reaction to pass through a second-stage evaporator to obtain a polyisocyanurate product. The method can well control the reactivity of the catalyst, so that a trimerization reaction of the isocyanurate is finished under a mild condition to obtain a tripolymer product with excessively-high quality.

The present invention relates to a pond cultivation combination system with water-saving and safety function, belonging to the field of aquaculture technology. Said system is composed of fish pond, artificial wet land and canal which are mutually communicated by means of water flow. The fish pond, artificial wet land and canal are successively series-connected so as to form the invented stereoscopic multi-stage utilized, closed and circulated pond cultivation combination system. It is characterized by that it can make waste water of fish pond be passed through artificial wet land and canal to purify water quality, increase dissolved oxyger and change static water of fish pond into microflow water to make cultivation so as to attain the goal of implementing high-effective cultivation of fishes and saving water resources.

A composite system comprises a base layer, a capping layer, and at least one core geocell layer. The base layer and capping layer are stacked below and above the core geocell layer, which is infilled with a low quality material. In specific embodiments, the base layer and capping layer are each geocells infilled with a high quality material. This composite system meets engineering specifications economically.

The invention relates to a biology-electrochemistry compound system for processing dye waste water and the operation system. The micro-electrolyzing filter connects to biological film oxygen aversion reactor through pipeline. The liquid outlet of reactor connects solid recycling integration oxidation channel through pipeline. The liquid outlet of oxidation channel connects to electrolyzing flocculating chamber. The gas outlet of oxidation channel and reactor connects to biology deodorization reactor through pipeline. The invention would improve the biochemistry feature of the waste water, and oxidation channel could remove the organic in water, the electrolyte tank could remove suspended particle, and the biology deodorization reactor would remove the odor from waste water. The invention could make the water quality after being processed reach the national standard of complex discharging.

The invention relates to a nitrogen foam fracturing fluid for coal bed methane and a preparation method of the nitrogen foam fracturing fluid. The nitrogen foam fracturing fluid comprises a gas phase and a fluid phase, the gas phase is nitrogen, the fluid phase is an aqueous solution which contains 0.20-0.50 wt.% of a foaming agent, 0.4-1.0 wt. % of a foam stabilizer and 0.10-0.30 wt.% of a gel breaker, the volume ratio of the gas phase to the fluid phase is (2-4):1, and corresponding foam mass is 65%-80%; and the foaming agent is a compound system which is composed of sodium dodecyl sulfate and N-(2-hydroxypropyl) perfluor caprylamide according to the mass ratio of (8-10):1, the foam stabilizer is C16-C20 lauryltrimethylammonium chloride, and the gel breaker is a redox system which is composed of ammonium persulfate and sodium sulfite according to the mass ratio of (1.0-2.0):1. A foam generator is used for obtaining the nitrogen foam fracturing fluid. The nitrogen foam fracturing fluid has the advantages of being simple in fluid preparing, small in harm to a coal bed, low in leak-off, small in friction, rapid in flowback speed, high in sand-carrying capability and the like.

The invention discloses pure-titanium metal surface micro-arc oxidation treatment electrolyte and an antimicrobial bioactive coating preparation method thereof, belongs to a medical titanium metal surface modification technology, and aims to provide a micro-arc oxidation treatment electrolyte which can remarkably improve pure-titanium metal surface bioactivity and coating bonding strength and a coating preparation method thereof. The electrolyte comprises a compound system including the components of calcium acetate, sodium phosphate and a zinc oxide precursor, wherein the phosphorous ion concentration is 0.5 to 1.0 M, the molar ratio of Ca to P is 0.2 to 1.0, and the designed Zn<2+> concentration accounts for 10 to 20 percent of the total concentration. A biological composite coating is directly generated on the surface of a titanium metal surface in-situ by adopting the electrolyte and a micro-arc oxidation technology. The coating has high bonding strength with a substrate, dense inner layer, coarse and porous outer layer, high bioactivity and high antibacterial property; moreover, the used raw materials are easy to obtain; the process is simple and easy to operate; and the electrolyte has stability, reusability, and low production cost and is suitable for industrial production.

The invention discloses a method for manufacturing a polyethylene fiber for fishing. The method comprises the following steps: uniformly mixing an elastomer and active nano particles, and preparing an elastomer/active nano particle compounded system through extrusion of a double-screw extruder; mixing the prepared compounded system and polyethylene, pelleting through the double-screw extruder, and preparing the master batch; mixing the obtained master batch and polyethylene, and preparing the high-strength high-toughness polyethylene fiber through a melt spinning-high-draft spinning process; and the method is characterized in that the elastomer has the melt index of 0.5-20g/min; the polyethylene melt index is 0.1-20g/min; the material retention time in a screw extruder is 2-3 minutes; the temperature is 150-250 DEG C, and the melt spinning and high-draft spinning process have the parameters of the spinning temperature of 240-350 DEG C, the spinning speed of 5-50m/min, the draft multiple of 8-12 times and the draft temperature of 95-100 DEG C. The method is used for polyethylene fibers for fishing and industrial polyethylene ropes.

The invention belongs to the technical field of chemical material preparation, and particularly relates to a method for modifying an elastomer by using click reaction of thiol-ene. The method is characterized in that isolate double bonds in an elastomer material are crosslinked with an elastomer compound system by using click chemistry of thiol-ene with the participation of polythiol organic molecules under an UV-irradiation condition so as to achieve the purpose of modifying the elastomer material. The method for modifying the elastomer is simple, easy in obtaining of raw materials and relatively low in cost. The obtained composite material has excellent mechanical property and can be widely applied.

The invention belongs to the technical field of composite materials, and relates to a polylactic acid/core-shell structure composite material and a preparation method thereof. The polylactic acid/core-shell structure composite material is prepared from the following components in percentage by weight: 5-90% of polylactic acid, 5-80% of biodegradable polyester, 5-45% of inorganic filler, 0-5% of a processing agent, 0-40% of a flame retardant, 0-10% of an antistatic agent and 0-5% of a modifier. According to the invention, the biodegradable polyester is used to replace the traditional toughening compound system, so that the polylactic acid/core-shell structure composite material has the characteristics of high strength, high toughness, low cost, full biodegradation and the like.

The invention relates to a polyamide/nano expanded graphite/carbon fiber high-strength conducting composite material and a preparation method thereof. The composite material contains the following components of 100 parts of main substrate polyarylether, 1-6 parts of expanded graphite of which the expansion ratio is more than 100 times, and 1-20 parts of reinforcer carbon fiber. The reinforcer carbon fiber is added to a polyamide/nano expanded graphite compound system to prepare the high-strength high-conductivity composite material. Although the content of the carbon fiber and the expanded graphite is small, the bulk conductivity of the system can reach 10-2S/m, the mechanical properties of the system are excellent, the tensile strength can reach 120.34 MPa, the bending strength reaches 195.51 MPa, and the impact strength is 37.33 KJ/m<2>. The invention has excellent over-all properties, thereby having broad industrialization prospects. The invention is expected to be widely used in the fields of anti-static materials, electromagnetic shielding materials, microwave absorption and the like.

The invention provides a biological fermentation adaptive control system and a control method based on neural network inverse. The control method comprises the following steps: constructing the neural network inverse by using a neural network and a time division multiplexing time delay link, enabling the neural network to achieve an inverse system function of a biological fermentation system by adjusting the weight coefficient of the neural network, connecting the neural network inverse and the biological fermentation system in series to form a pseudo-linear compound system, decoupling the pseudo-linear compound system in a linearization mode into two pseudo-linear subsystems with single input and single output, presetting desired signals, according to the control inputs of each pseudo-linear subsystem and the outputs of the biological fermentation system of current time and prior moment, constantly renewing the parameters of a model-free adaptive controller and the control input of each pseudo-linear subsystem of the following moment, enabling the outputs of the biological fermentation system to follow the preset desired signals effectively, thereby achieving the model-free adaptive control of the biological fermentation system, and improving the control performance of a biological fermentation process.

The invention relates to a shower, heating and air conditioning complex system device for producing hot water by using solar energy, air source and low power. The device is formed by grafting and compounding a solar water heating system, a shower system, a floor heating system and an auxiliary heating system, and is provided with a control system; the auxiliary heating system is formed by grafting and compounding an air source pump and an air conditioner; in a steam compression refrigeration system of the air conditioner, a third heat exchanger which takes water as a heat exchange medium and one of a first heat exchanger and a second heat exchanger which takes air as the heat exchange medium in the system are connected with each other in parallel by using a pair of tee joints and two pairs of electromagnetic valves; and the third heat exchanger is provided with a temperature controller, is connected with a solar hot water storage tank by using a water inlet pipe and a water outlet pipe in a sealing way, and is connected with a hot water pump and an electromagnetic valve. The device has the advantages of saving electricity by 70 percent compared with an electric heater and saving a host compared with a special air-source heat pump, can be used for heating in winter and used for conditioning air in summer, recovers waste heat discharged from an original outdoor unit for producing hot water used for shower without reducing an energy efficiency ratio, acquires two gains by using one part of power, saves energy and reduces emission.

The invention relates to a surfactant compounded system with oil reservoir adaptability. The surfactant compounded system consists of nonionic surfactants A, anionic surfactants B and cationic surfactants C. An oil displacement agent related by the invention has the advantages that the Shengli oil field crude oil/water interface tension can be reduced to an ultra-low state in a short time, in addition, certain oil phase adaptability is realized, an important effect is achieved in the aspect of improving the crude oil yield, secondly, the use concentration of the surfactant of the system is low, the salt resistance is good, and the applicability to stratum mineralized water is good.

The invention provides a combined cooling power generation composite system based on a supercritical organic Rankine cycle and belongs to the field of industrial energy conservation. An expansion machine, a power generator and a steam compressing cold cycling compressor of the Rankine cycle are connected coaxially, same organic working medium is used to be simultaneously cooled in a condenser, and a steam compressing refrigerating cycle is coupled effectively on the basis of basic organic Rankine cycle. In addition, supercritical pressure is used to allow heat rising of organic working medium in a heat absorber to be well matched with temperature changing curve of a heat source, system irreversible loss is further lowered, and waste heat recycling rate is improved. Industrial smoke water heat or other water heat sources are used as driving force, combined cooling power generation is performed by taking refrigerating as priority, refrigerating is not performed by using smoke waste heat for power generation and using power for refrigerating, and accordingly loss caused by energy conversion is reduced. Cooling amount and power output amount can be flexibly adjusted according to cooling amount requirements.