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4464results about How to "Improve cohesion" patented technology

In-hole drilling tool integrating drilling, slotting and punching coal seam and using method thereof

The invention discloses an in-hole drilling tool integrating drilling, slotting and punching a coal seam and a using method thereof. The in-hole drilling tool comprises a water supple device or an air supple device, a high-pressure sealing drill pipe, a slotting and punching valve and a drill bit. The water supply device and the air supply device are connected with the high-pressure sealing drill pipe at an orifice. The slotting and punching valve is installed between the high-pressure sealing drill pipe and the drill bit. The in-hole drilling tool is essentially used for drilling and anti-reflective outburst eliminating after drilling of soft outburst coal seam. The using method is as follows: after the drilling construction is finished, a water supplier with a pressure release valve is used for starting a high-pressure pumping station to improve the pressure and the flux for water supply; high-pressure water current at the pumping station drives the slotting and punching valve to act for closing an axial liquid passage and opening a radial liquid passage; and high-pressure jet current realizes slotting or punching through a cutting nozzle or a punching nozzle. The invention has novel design and easy operation, is safe and reliable, improves the outburst elimination efficiency and realizes the integrated operation of drilling, slotting or punching and outburst eliminating.
Owner:HENAN POLYTECHNIC UNIV

Network system software system framework and implementation method thereof

InactiveCN102750145AImprove the ability to changeDatabase interaction is simple and easySpecific program execution arrangementsSoftware designLogic implementation
The invention provides a network system software system framework. The framework comprises a domain model layer, a presentation layer, a service layer and a foundation framework layer, wherein the domain model layer is used for displaying an action logic, a business processing state and a rule for implementing a business in the business field, the presentation layer is used for displaying data information to a user and receiving an intervention feedback, the service layer is used for packaging the business in the 'domain model layer' and exposing a logic business service with a coarse granularity to the 'presentation layer' through the network or an interface, and the foundation framework layer is used for providing services for data access of application programs of the 'service layer' and the 'presentation layer'. An implementation method of the framework is further provided. According to the network system software system framework and the implementation method thereof, through the application of a 'domain-driven design' idea and the combination of novel software design technologies, a system software design is directly centralized to aspects of 'business behavior logic implementation' and 'front page richness', and a developing design of an enterprise application system software is enabled to be simple, convenient, rapid and high efficient by the aid of the means of 'software systems and code automatic generation of the software systems'.
Owner:河南博元电力科技股份有限公司 +4

Method for preparing aminosilane coupling agent modifying ammonium polyphosphate

The invention discloses a preparation process of modifying ammonium polyphosphate with amino silane coupling agent, relating to the flame-retardant technology in chemical field. The invention provides a surface organic modified technology which can significantly reduce the water-solubility of ammonium polyphosphate, increases the compatibility of ammonium polyphosphate expansion flame-proof macromolecule material and the flame-proof efficiency, aiming to the problems existing the current ammonium polyphosphate flame-retardant that the current ammonium polyphosphate flame-retardant has higher dissolvability in water, and serious mechanical loss after applied on flame-proof plastic. The invention is conducted through two steps that firstly mixing amino silane coupling agent with deionized water according to weight ratio to hydrolyze, and secondly conducting surface organic modifying processing for ammonium polyphosphate (II type) with hydrolyzed amino silane coupling agent, which makes the dissolvability of II type ammonium polyphosphate in water be reduced to 0.43g / 100mL H2O from 1.101g / 100mL H2O, and respectively increases elongation at break and tension strength by 39.4% and 8.0% through applying modified ammonium polyphosphate on expansion flame-proof polypropylene. The modified ammonium polyphosphate can be extensively applied on the expansion flame-proof of polyolefins plastic, textile, lumber, paper and painting.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
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