查询词典 polymer

The mechanism for UHMWPE modified with IFR is discussed by TG: the effect is derived from the forming of intumescent char layer which makes the polymer insulated from heat and oxide and prevents burning gas phase entered by some ignitable gases resulted from polymer decomposition .

通过运用SPSS10.0软件，对实验数据进行统计分析，建立数学模型，得到UHMWPE阻燃性能与膨胀型阻燃剂各成分添加量的多元回归方程式，并通过MATLAB6.0软件对模型进行优化处理从而得到最优配方。

Co means polymer consisting of two or more different monomers is a co polymer.

Co的意思是由两种或者更多的不同单体聚合在一起所组成的共聚物。

Compare with tunable filter detection technique, the wavelength measurement technique using tunable source is analyzed theoretically. We design a kind of all-fiber sensing interrogation system, by using long-period fiber grating as edge filter to interrogate the sensing signal of the FBG sensor. The wavelength resolution of the sensing measurement is 0.05nm.A novel FBG Bourdon tube sensor has been constructed, utilizing the pressure mechanic amplify function of Bourdon tube. The measured pressure sensitivity is two orders of magnitude higher than a simple monomode fiber with an in-fiber grating. Especially the pressure sensitivity of the sensor can be determined by changing the parameters of the cantilever beam. Adopting polymer package technique, we coat fiber Bragg grating by using polymer with different mechanic properties.

利用波登管对于压力的机械放大作用，研制了一种新颖的光纤光栅波登管压力传感器，将FBG的压力灵敏度提高了两个数量级，特别是这一传感器的压力灵敏度的大小可以通过改变悬臂梁自身的参数灵活控制；采用聚合物封装技术，将FBG封装于具有不同力学特性的有机聚合物基底中，利用基底的带动作用，将FBG对压力的灵敏度分别提高了20倍和31.7倍，由于我们采用了特殊的工艺，封装后的FBG不出现任何光栅啁啾；在成功封装的基础上对封装光栅的蠕变效应、FBG与封装材料之间的防滑处理等进行了实验研究；设计了外加圆柱形铝管的聚合物封装光纤光栅，将FBG的压力灵敏度提高了1430倍，可用于对微小压力变化的精确测量。

Then, we disperse it in polymer matrix to form nanometre compound system, in order to prepare polymer nanometre compound conductive material.

通过将石墨加工成纳米石墨薄片，并将纳米石墨薄片分散于聚合物基体中形成纳米复合体系，制备聚合物纳米复合导电材料。

The invention relates to a surface chemistry modified latex which can be obtained by carrying out radical polymerization in emulsion in the presence of at least one ethylenically unsaturated monomer or at least one polymer having ethylinically unsaturated residual bonds, at least one radical polymerization, at least one single, double or triple block polymer which is soluble or dispersible in water, comprising an active group at the end thereof, capable of forming a radical, and chosen from dithioesters, xanthates, thioether-thiones and dithiocarbamates.

本发明涉及具有改良表面化学性质的胶乳，它可以通过在以下物质的存在下进行自由基乳液聚合来获得：至少一种烯属不饱和单体或至少一种含残留烯属不饱和键的聚合物，至少一种自由基聚合引发剂，至少一种水溶性和/或水可分散的单嵌段、二嵌段或三嵌段聚合物，在其端部包括选自二硫酯，硫醚-硫酮，二硫代氨基甲酸酯和黄原酸酯中的能够形成自由基的活性基团。

According to the dope and de-dope principle of conducting polymers, the active enzymes (for example glucose oxydase, uricase, and so on) were reimmobilized into the conducting polymer film, and formed the good performance conducting polymer-enzyme molecule assembly.

利用导电聚合物的掺杂去掺杂原理，将活性酶分子(如葡萄糖氧化酶、尿酸氧化酶等)重新固定到该导电聚合物膜中，形成性能良好的导电聚合物-酶分子组合体。

Though enantioslectivity in the epoxidation of some substrates with soluble polymer-supported tartrates is a little lower than that with solution-phase tartrates, it is higher than enantioslectivity with insoluble polystyrene resin-supported tartrates, linear poly s and corrosslinked poly s. It is obvious that soluble polymer-supported tartrates have good catalytic activity and enantioselectivity.

尽管可溶性聚合物支载的酒石酸酯在某些底物环氧化中的对映选择性比小分子酒石酸酯低一些，但明显优于文献报道的不溶性聚苯乙烯树脂支载的酒石酸酯、线形聚酒石酸酯和交联聚酒石酸酯配体，显示了良好的催化活性和对映选择性。

A process for preparing superthin film of polyaniline, which can be used for chemical sensors, electrochromic device, luminous device, chemical modifying electrode and polymer FETs, uses intrinsic polyaniline solution and polymer acid as raw materials, which take part in doping reaction to prepare said film.

本发明公开了一种掺杂诱导沉积聚苯胺自组装超薄膜的制备方法，属超薄膜制备技术领域。它采用本征聚苯胺溶液及聚合物酸为原料，基于本征聚苯胺与聚合物酸的掺杂反应制备聚苯胺超薄膜。

The conpany was incorporated in June 1998.it has set up a production base covering an area lf 50,000 square meters and successfully established the first assembly line of polymer li-ion cell with self-owned hnow-how technology .till now we have upsized the output to a daily capacity of 40,000 PCS for polymer li-ion cells and a capacity of 800,000 PCS for li-ion batteries .our product range over the energy utilized by mobile phone ,laptop,portable DVD ,camera and odd-shaped battery suitable for special industries.

宝龙工业于1998年6月坐落在厦门宝龙工业园内，占地50，000 平方米。隶属与澳门宝龙集团，现日产量可达40，000 PCS 的电芯与800，000 PCS 的聚合物锂电池。宝龙工业具有向用户提供移动电源解决方案的能力，从定样设计，定牌制造，具备规模生产聚合物锂离子电池的能力。

Hyperbranched polymer used as polymer electrolyte material has its unique virtues, such as large surface area, lack of crystallinity, low glass transition temperature, high solvating capability to salt ions.

超支化聚合物作为聚合物固体电解质体系的基体材料具有独特的优点：有较高的表面积；没有结晶性；具有较低的玻璃化转变温度；对离子具有较高的溶解能力。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。