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The launch test results illustrate that the launch speed of the Teflon cone designed using sheath structure can arrive at 5.7km/s, and the sabot achieves a clean separation from the model at the...

发射试验结果表明：用此方法设计的泰氟隆锥模型和选用超韧尼龙做成八瓣全包覆弹托能实现泰氟隆锥模型的超高速发射，模型的发射速度达到5.7km s，且模型与弹托分离满足再入物理试验研究的要求。

Top Glory Farm Machinery Parts Factory We are the powder metallurgy market analysts pointed out: as a result of improved slagging agents and ladle refining furnace mode, all steel can not refine the use of fluorite, the results achieved in the secondary refining slag fluoride fluorine content and dissolution of the refining technology zero.

我们鹏利农机配件厂的粉末冶金市场分析师指出：由于改进了造渣剂和钢包炉的精炼方式，因此所有钢种都能不使用萤石进行精炼，结果实现了二次精炼渣中的氟含量和氟溶出量为零的精炼技术。

The emulsion quartz stone material protective agent's solute has certain active multi-compositions and so on of functionality siloxanes and fluorine silicon hydride, this kind groups with the active ingredient carry alcoholysis reaction the ion condition water on quartz stone material surface, thus causes the siloxanes and the fluorine siloxanes has chemistry keying connection with the quartz stone surface, from outside to inside of the quartz stone surface and stone inside pore surface forms a kind of complex network structure, this kind of network structure is extremely dense, it may filter polar and carbon dioxide, slows down the speed that water molecules go in and out the quartz stone pore, so the quartz stone will not be soaked by the water molecules, meanwhile to be a barrier to stop alkaline compounds and salt to infiltrate from an interface to another, also can have the very good physical enhancement effect.

乳液型石材防护剂的溶质是具有一定活性的多官能度的硅氧烷和氟硅烷等组成，这种带有活性成份的基团与石材表层离子态水进行醇解反应，从而使硅氧烷和氟硅氧烷与石材表面进行化学键连接，由外向内在石材表面和石材内部毛的表层形成一种结构复杂的网状结构，此种网状结构极其密实，它可将极性水分子和二氧化碳进行过滤，减缓水分子进出石材毛孔的速度，不会被水分子浸湿，同时还有阻隔石材不同界面的碱性化合物和盐份向另外一个界面渗透，同时还能起到很好的物理增强效果。

The optimum condition of the ELISA are set as follows: 1ug/mL of NFLX -HSA(norfloxacin -human serum albumin) conjugation used as a coated antigen dissolved in carbonate buffer solution(CBS,pH 9.6,0.05mol/L), 0.5 % glutin in PBS(pH7.4,0.01mol/L) as a blocking agent post-coating, horse radish heroxidase-labeled sheep anti-mouse IgG(HRP-anti IgG) diluted by PBS(pH 7.4,0.1mol/L) in 1:1000 as a secondary antibody, and TMB (3,3",5,5"-tetramethyl benzidine dihydrochloride) as a sbustrate.

成功建立了检测抗诺氟沙星抗体的间接ELISA方法，其主要条件如下：pH9.6、0.005mol／L的碳酸盐缓冲溶液为包被液，1μg／mL的连接抗原NFLX-BSA(诺氟沙星-牛血清白蛋白)为包被抗原，1％明胶为封闭液，1：1000稀释的HRP酶标记的羊抗小鼠抗体作为二抗，TMB(3，3，5，5-四甲基联苯胺)作为底物。

The titrant is a mixture of EDTA and sodium fluoride, both mercury film electrode and fluorinion selective electrode are inserted in the titration solution. In a process of titration, both the added volume of titrant and the concentration of mercury ion at each titration point can be obtained simultaneously from the potentials of two electrodes, and then the concentration of each component in the alloy can be obtained from the titration curves by multivariate calibration.

用ED-TA与氟化钠的混合溶液作为滴定剂，被滴定液中同时插入了汞膜电极和氟离子选择电极，在滴定过程中的任一滴定点，溶液中汞离子的浓度和滴定剂的加入体积可由两个电极的电位测定值同时获得，从而可应用多元校正法由相应的滴定曲线求得混合金属中每一种组分的含量。

The relationship between the melt index, the tensile strength and the stress-crack resistance, and that between the end-group structure and thermal stability of copo-lymer of tetrafluoroethylene and hexafluoropropylene have been studied.

研究了四氟乙烯和六氟丙烯共聚物的熔融指数，抗张强度和耐应力开裂之间，以及端基和热稳定性之间的关系。

Beijing Water Cube is the worlds largest ethylene tetrafluoroethylene building, because of its honeycomb-like structure dictates, this 3500 one of tetrafluoroethylene bubble must be a separate cutting, measuring.

北京水立方是全球最大的四氟乙烯建筑，由於它蜂巢状的结构使然，这三千五百个四氟乙烯泡泡必须一个一个分别裁切、丈量。

The invention relates to a kind of middle/high temperature heat pump refrigerant mixture containing trifluoroiodomethane (R13I1) and tetrafluoroethylene (HFC134a), which is suitable for using as the refrigerants for middle/high temperature heat pump system with a temperature of 60~120deg.C.

一种含有三氟碘甲烷(R13I1)和四氟乙烷(HFC134a)的中高温热泵混合工质，适合作为冷凝温度为60-120℃的中高温热泵系统的制冷剂。

Product is tetrafluoroethylene - perfluoroalkyl vinyl ether polymer resin by extrusion, blow molding expansion of heat shrinkable tubes, heat shrinkable tube temperature is -80 ℃~ 260 ℃, shrinkage temperature of 180 ℃-250 ℃, the general shrinkage of 30%, it has no viscosity, heat, weathering, corrosion resistance, anti-fouling, and high electrical insulation properties, is a steel bar rubber and silicone rubber coated roll the ideal casing, may be extended roller life, reduced wear and tear, widely used in chemical industry, electroplating, pharmaceutical, printing, papermaking and other fields.

本产品由四氟乙烯－全氟烷基乙烯基醚聚合物树脂经挤出、吹胀成型的热收缩管，热收缩管使用温度为-80℃～260℃，收缩温度为180℃-250℃，收缩率一般为30%，它具有不粘性、耐热、耐候、耐腐蚀、防污和电高绝缘性能，是钢棒橡胶和硅橡胶辊理想的包覆套管，可延长辊筒寿命、减小损耗，广泛地应用在化工、电镀、制药、印刷、造纸等领域。

The main products are SF-1 (as the base plate of the middle sintering Copper Balls powder, surface modified PTFE); SF-2 (plate as the base of the middle sintering Copper Balls powder, surface modified POM); JDB (For brass, bronze, iron-based body, inlaid solid lubricant); dual-metal (steel as the base for the various models of the surface of copper); production of various enterprises have also filled with PTFE, the curve of bearings, bearing powder metallurgy, by Chun-for the Pistons, Piston Ring, ethylene tetrafluoroethylene ring, ring.

主要产品有SF-1（钢板为基体中间烧结铜球粉，表面为改性聚四氟乙烯）；SF-2(钢板为基体中间烧结铜球粉，表面为改性聚甲醛)；JDB（为黄铜、锡青铜、铸铁为基体，镶嵌固体润滑剂）；双金属（钢板为基体表面为各种型号铜）；企业还生产各种填充四氟带、曲线轴承、粉末冶金轴承、减震器活塞、活塞环、四氟乙烯密封圈、环。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。