摘要：【中文】本发明公开了一种基于磁芯线圈的石油钻井防碰撞无源检测装置及方法，所述装置包括安装在钻柱与钻头之间的测量短接，所述测量短接包括磁芯线圈、可编程放大器、高阶低通滤波器、ADC、微处理器和电源，所述磁芯线圈由高导磁率磁芯和漆包线组成，所述漆包线绕于所述高导磁率磁芯的外表面，所述漆包线的电极与所述可编程放大器的信号输入端相连，所述可编程放大器的信号输出端与所述高阶低通滤波器的输入端相连，所述高阶低通滤波器的输出端与所述ADC的输入端相连，所述ADC的输出端与所述微处理器的输入端相连，所述微处理器与所述电源电性连接。本发明能够有效解决正钻井钻头与生产井之间距离的测量，有效的避免钻井过程中因碰撞所带来的巨大危害。 【EN】The invention discloses an anti-collision passive detection device and method for petroleum drilling based on a magnetic core coil, wherein the device comprises a measurement short circuit arranged between a drill string and a drill bit, the measurement short circuit comprises a magnetic core coil, a programmable amplifier, a high-order low-pass filter, an ADC (analog to digital converter), a microprocessor and a power supply, the magnetic core coil consists of a high-permeability magnetic core and an enameled wire, the enameled wire is wound on the outer surface of the high-permeability magnetic core, an electrode of the enameled wire is connected with the signal input end of the programmable amplifier, the signal output end of the programmable amplifier is connected with the input end of the high-order low-pass filter, the output end of the high-order low-pass filter is connected with the input end of the ADC, the output end of the ADC is connected with the. The invention can effectively solve the problem of measuring the distance between the drilling bit and the production well and effectively avoid huge harm caused by collision in the drilling process.

摘要：【中文】本发明公开了一种用于出血性胃溃疡的多功能电纺纤维毡的制备方法，包括以下步骤：S1、制备载黄芪皂苷的单层电纺纤维膜；S2、将载黄芪皂苷的单层电纺丝纤维膜覆于收集铝箔表面，并进行电纺得到上层为载去甲肾上腺素、下层为载黄芪皂苷的双层电纺丝纤维膜；S3、将α‑氰基丙烯酸酯加入到DMSO中搅拌均匀，得第一溶液；将壳聚糖加入到氯仿溶液中搅拌均匀，得第二溶液；第一溶液和第二溶液混合得电喷液，将双层电纺丝纤维膜覆于收集铝箔表面并静电喷涂电喷液，得到具有三层结构的电纺纤维毡。本发明还公开了一种用于出血性胃溃疡的多功能电纺纤维毡及其应用。本发明具有快速止血，同步促进胃溃疡快速愈合的有益效果。 【EN】The invention discloses a preparation method of a multifunctional electrospun fiber mat for hemorrhagic gastric ulcer, which comprises the following steps of S1, preparing a single-layer electrospun fiber membrane carrying astragaloside, S2, coating the single-layer electrospun fiber membrane carrying astragaloside on the surface of a collecting aluminum foil, carrying out electrospinning to obtain a double-layer electrospun fiber membrane carrying noradrenaline on the upper layer and astragaloside on the lower layer, S3, adding α -cyanoacrylate into DMSO, uniformly stirring to obtain a first solution, adding chitosan into a chloroform solution, uniformly stirring to obtain a second solution, mixing the first solution and the second solution to obtain an electro-sprayed liquid, coating the double-layer electrospun fiber membrane on the surface of the collecting aluminum foil, and carrying out electrostatic spraying on the electro-sprayed liquid to obtain the electrospun fiber mat with a three-layer structure.

摘要：【中文】本发明提供了一种复合抑尘剂，配方包括一定比例的高吸水性树脂、聚乙烯醇水溶液、羧甲基纤维素钠、表面活性剂、助剂和水。该复合抑尘剂对粉尘的润湿性好，无冒泡，且成膜性好，无裂缝，抑尘效果好，且成本较低。 【EN】The invention provides a composite dust suppressant, which comprises a certain proportion of super absorbent resin, a polyvinyl alcohol aqueous solution, sodium carboxymethylcellulose, a surfactant, an auxiliary agent and water. The composite dust suppressant has good wettability to dust, no bubbling, good film forming property, no crack, good dust suppression effect and lower cost.

摘要：【中文】本发明公开了一种利用高固含封闭型聚氨酯树脂制备皮革贝斯的方法的制备方法，包括以下步骤：（1）将封底浆料涂于基布上，烘干；（2）聚氨酯浆料涂布于封底浆料处理过的基布上，升温固化，然后进行水洗，洗出基布内含有的PVA，烘干，即得所述的皮革贝斯。本发明中高固含封闭型聚氨酯树脂固含量高，固化速度快，生产效率高；经发泡剂发泡制成贝斯后，具有较高的剥离强度、耐折性能和耐水解性能，同时具有较好的柔韧性和手感。 【EN】The invention discloses a preparation method of leather base by using high-solid-content blocked polyurethane resin, which comprises the following steps: (1) coating the bottom sealing slurry on base cloth, and drying; (2) and coating the polyurethane slurry on the base cloth treated by the bottom sealing slurry, heating and curing, then washing with water to wash out PVA contained in the base cloth, and drying to obtain the leather base. The high-solid-content closed polyurethane resin has high solid content, high curing speed and high production efficiency; after being foamed by the foaming agent to prepare the base, the base has higher peel strength, folding resistance and hydrolysis resistance, and also has better flexibility and hand feeling.

摘要：【中文】本发明公开了一种利用咖啡渣制备的聚氨酯树脂，所述的聚氨酯树脂是以包括以下组分为起始原料制备的：聚酯二元醇、扩链剂、咖啡渣、二异氰酸酯、抗氧剂、分散剂、溶剂和封端剂。本发明创造性地将咖啡渣作为起始原料，对聚氨酯进行化学改性，制备的聚氨酯树脂同时具备优异的剥离强度、热老化性能和耐水解性能。 【EN】The invention discloses a polyurethane resin prepared from coffee grounds, which is prepared from the following components: polyester diol, a chain extender, coffee grounds, diisocyanate, an antioxidant, a dispersant, a solvent and a blocking agent. The invention creatively takes coffee grounds as the starting raw material to chemically modify polyurethane, and the prepared polyurethane resin has excellent peel strength, thermal aging property and hydrolysis resistance.

摘要：【中文】本发明公开了一种合成革用水性高透明性聚氨酯染料树脂及其制备方法，所述合成革用水性高透明性聚氨酯染料树脂，是采用包括如下质量百分比的组分制备的：聚酯多元醇6‑15%，聚醚多元醇0‑7%，着色多元醇1.5‑3.5%，二异氰酸酯7‑10%，亲水扩链剂0.5‑2%，小分子扩链剂1‑2%，中和剂0.5‑1.5%，催化剂0.01‑0.02%，丙酮稀释剂15‑25%，小分子二元胺0.2‑0.5%，水45‑55%。本发明制备的合成革用水性高透明性聚氨酯染料树脂，实现树脂着色的同时，避免了树脂的颜色迁移浮色问题，具有优异的常低温耐折性能，且成膜过程中不会排放溶剂，环保节能。 【EN】The invention discloses a waterborne high-transparency polyurethane dye resin for synthetic leather and a preparation method thereof, wherein the waterborne high-transparency polyurethane dye resin for synthetic leather is prepared from the following components in percentage by mass: 6-15% of polyester polyol, 0-7% of polyether polyol, 1.5-3.5% of coloring polyol, 7-10% of diisocyanate, 0.5-2% of hydrophilic chain extender, 1-2% of micromolecular chain extender, 0.5-1.5% of neutralizer, 0.01-0.02% of catalyst, 15-25% of acetone diluent, 0.2-0.5% of micromolecular diamine and 45-55% of water. The waterborne high-transparency polyurethane dye resin for synthetic leather, prepared by the invention, can realize resin coloring, simultaneously avoid the problem of color migration and color floating of the resin, has excellent folding resistance at normal and low temperature, does not discharge solvent in the film forming process, and is environment-friendly and energy-saving.

摘要：【中文】本发明公开了一种单组分高固含聚氨酯树脂及其制备方法和应用，所述单组分高固含聚氨酯树脂，是采用包括如下的组分制备的：异氰酸酯封端的聚氨酯预聚体、固化剂和环状内酯或环状碳酸亚烃酯化合物中的一种以上；所述的异氰酸酯封端的聚氨酯预聚体是以聚合物多元醇、扩链剂和异氰酸酯为起始原料制备的；所述的聚合物多元醇为聚醚多元醇或聚酯多元醇中的一种或其混合物。本发明高固含树脂，使用简便，环保节能。低温储存稳定性好，制备的皮革剥离强度高，物性优异。 【EN】The invention discloses a single-component high-solid-content polyurethane resin, a preparation method and application thereof, wherein the single-component high-solid-content polyurethane resin is prepared from the following components: isocyanate-terminated polyurethane prepolymer, curing agent and more than one of cyclic lactone or cyclic alkylene carbonate compound; the isocyanate-terminated polyurethane prepolymer is prepared by taking polymer polyol, a chain extender and isocyanate as starting materials; the polymer polyol is one or a mixture of polyether polyol and polyester polyol. The invention has high solid content resin, simple and convenient use, environmental protection and energy saving. The low-temperature storage stability is good, and the prepared leather has high peel strength and excellent physical properties.

摘要：【中文】本发明公开了一种从钒渣提钒废水中提取钒铬的方法，它是通过离子交换将废水中的钒、铬分离提取出来，剩余液体钒、铬达到《钒工业污染物排放标准》要求。分离出来的钒液和铬液可生产高附加值产品，得到的高浓度钒液可用于生产五氧化二钒；得到的高浓度铬液通过还原后沉淀出氢氧化铬，煅烧后得到三氧化二铬颜料，从而实现含钒废水中钒、铬的资源化利用。 【EN】The invention discloses a method for extracting vanadium and chromium from vanadium slag vanadium extraction wastewater, which separates and extracts vanadium and chromium in the wastewater through ion exchange, and the residual liquid vanadium and chromium meet the requirements of vanadium industrial pollutant discharge standard. The separated vanadium liquid and chromium liquid can be used for producing products with high added values, and the obtained high-concentration vanadium liquid can be used for producing vanadium pentoxide; the obtained high-concentration chromium solution is reduced to precipitate chromium hydroxide, and the chromium sesquioxide pigment is obtained after calcination, so that the resource utilization of vanadium and chromium in the vanadium-containing wastewater is realized.

摘要：【中文】本发明公开了一种复合型水压监测及水管在线维护系统及其使用方法，水管的进水口和出水口连接有结构相同的第一在线维护装置和第二在线维护装置，形成水管管路；所述第一在线维护装置包括“T”形的三通管接头，三通管接头的两端设置有闸阀；三通管接头的另一端连接有在线维护阀，所述在线维护阀设置有接口B、接口D和接口E；还包括在线维护管道，在线维护管道的接口H用于连接第一在线维护装置的接口E；其余两个接口G用于连接第二在线维护装置的接口D与接口B。本发明当水管发生破坏时，第一在线维护装置的水能够经在线维护管道流入第二在线维护装置，为居民供水，缩短城市居民的临时停水时间。 【EN】The invention discloses a composite water pressure monitoring and water pipe online maintenance system and a use method thereof.A water inlet and a water outlet of a water pipe are connected with a first online maintenance device and a second online maintenance device which have the same structure to form a water pipe pipeline; the first online maintenance device comprises a T-shaped three-way pipe joint, and gate valves are arranged at two ends of the three-way pipe joint; the other end of the three-way pipe joint is connected with an online maintenance valve, and the online maintenance valve is provided with a connector B, a connector D and a connector E; the online maintenance device also comprises an online maintenance pipeline, wherein an interface H of the online maintenance pipeline is used for connecting an interface E of the first online maintenance device; the other two interfaces G are used for connecting the interface D and the interface B of the second online maintenance device. When the water pipe is damaged, water of the first online maintenance device can flow into the second online maintenance device through the online maintenance pipeline to supply water to residents, and the temporary water cut-off time of urban residents is shortened.

摘要：【中文】本发明公开了一种稳定性好的基布生产工艺，首先进行轻纺纱和纱桨处理，将一定的长度和宽度的经纱与纬纱通过至少一恒张力牵引装置进行恒张力牵引，将其牵引至含有水性环保树脂浆料的浆槽中进行浸润，浸泡30‑45min后经辊压去除余浆，而后烘干固化，待用，得到纱桨后的经纱与纬纱；其次进行织造，将得到得到纱桨后的经纱与纬纱放置在织机上相互交织成半成品基布后，将得到半成品基布进行退浆，而后利用轧车和一组有速差的加热辊筒对半成品基布进行双轴取向拉伸，得到半成品基布；本发明所述的一种稳定性好的基布生产工艺，通过增加浸泡处理，使得半成品基布在浸泡后稳定性更好，同时还使得基布具有耐潮能力强和具有很强的耐久性，具有良好的使用前景。 【EN】The invention discloses a production process of base cloth with good stability, which comprises the following steps of firstly carrying out light spinning and yarn sizing treatment, carrying out constant tension traction on warp yarns and weft yarns with certain length and width through at least one constant tension traction device, drawing the warp yarns and the weft yarns into a size tank containing aqueous environment-friendly resin size for infiltration, removing residual size through rolling after soaking for 30-45min, and then drying and curing for later use to obtain the warp yarns and the weft yarns after the yarn sizing; secondly, weaving, namely placing the warp yarns and the weft yarns after obtaining the yarn pulp on a weaving machine to be mutually interwoven into semi-finished base cloth, desizing the semi-finished base cloth, and then performing biaxial orientation drawing on the semi-finished base cloth by using a padder and a group of heating rollers with speed difference to obtain the semi-finished base cloth; according to the production process of the base fabric with good stability, the semi-finished base fabric is better in stability after being soaked by adding soaking treatment, and meanwhile, the base fabric is strong in moisture resistance and durability and has good use prospect.