[高分子] 聚偏************
Detection of ultrasound is realized by polyvinylidene fluoride (PVDF) piezoelectric film.
超声波的接收是用聚************薄膜（PVDF）实现的。
The development and trend of the polyvinylidene fluoride resin and coating used in architecture are introduced.
本文主要叙述了建筑用聚************树脂及其涂料的发展历程和开发动向。
In this paper, the extraction of bromine from seawater and brine was stu***d with new type macromolecule polyvinylidene fluoride (PVDF) hollow fiber gas membrane.
文章以新型高分子材料聚************（PVDF）为膜，采用中空纤维气态膜分离方法对海水及增浓后海水（卤水）提溴进行了探讨。
The technique of polyvinylidene fluoride(PVDF) pipe microporous films production has been stu***d.
对聚************（PVDF）管式微孔膜生产工艺进行了研究。
The results show that the thermal stability and machine intensity were improved compared to Polyvinylidene Fluoride membrane.
结果表明，与聚************膜相比，改性膜的热稳定性和机械强度均有所提高。
Polyvinylidene fluoride (PVDF) coating has been widely used in the exterior decoration of all kinds of architectures for more than 35 years because of its superiority of weathering durability.
聚偏************（PVDF）涂料作为超耐候涂料用于各类建筑的外装修已有35年以上的实用业绩。
Polyvinylidene fluoride(PVDF) membrane was made by N, N-dimethylformamide(DMF) as the solvent and fluoride resin as the hydrophobic agent.
采用N，N-*********甲酰胺（DMF）为溶剂，以氟树脂为疏水助剂，制备聚************（PVDF）膜。
Polyvinylidene fluoride (PVDF) film is a type of intelligent sensor. It is widely used in the field of structural damage inspection for its good performance.
PVDF压电薄膜是一种智能传感元件，其良好的性能使PVDF压电薄膜在结构损伤检测领域有广阔的发展空间。
Polyvinylidene fluoride was used to prepare solvent base fluorocarbon coating, and the solvent constitution of PVDF coating was screened and optimized.
用聚************（PVDF）树脂制备了溶剂型氟碳涂料，筛选并优化了PVDF涂料的溶剂组成。
The polyvinylidene fluoride (PVDF) resin shows very low critical surface tension, and unique dispersibility.
聚************（PVDF）树脂的临界表面张力很低，其分散性有独特性。
Shaped microporous articles are produced from polyvinylidene fluoride (PVDF) and nucleating agents using thermally induced phase separation (TIPS) processes.
用热诱导相分离（TIPS）方法，由聚偏************（PVDF）和成核剂制备成形微孔制品。
The invention relates to a polyvinylidene fluoride building film material and relative production.
本发明公开了一种聚偏************建筑用膜材料及其生产方法。
The effects of the operating conditions and solution properties on retention characteristics of γ-globulin by polyvinylidene fluoride (PVDF) hollow fiber membrane was stu***d.
研究了聚************（PVDF）微滤膜截留丙球蛋白过程中，操作条件、溶液性质等因素对膜截留性能的影响。
The aim of this study was to control membrane fouling through elucidating the behaviors of levan adsorption onto Polyvinylidene Fluoride(PVDF) membrane in membrane bioreactor.
活性污泥体系中存在产生果聚糖的诸多微生物，研究其在膜表面的吸附行为有利于控制膜生物反应器中的膜污染。
Bromine extraction experiment was carried out through membrane Absorption method with novel polyvinylidene fluoride(PVDF) hydrophobic hollow fiber membrane, using sodium formate as Absorbent.
利用新型疏水性聚************（PVDF）中空纤维膜及组件，开展膜吸收浓海水提溴过程研究。
A novel polyvinylidene fluoride blending modified membrane with ion-exchanging property, was prepared using thermally induced polymerization technique and phase inversion blending process.
应用热引发聚合和相转移技术，制备了具有离子交换性能的聚************共混改性膜。
The method of ****** a microporous article comprises the steps of melt blending polyvinylidene fluoride, nucleating agent and glyceryl triacetate;
制备微孔制品的方法，包括以下步骤：熔融掺 混聚偏************、成核剂和三乙酸甘油酯；
Novel hydrophobic polyvinylidene fluoride(PVDF) hollow fiber membranes were adopted in air blowing membrane absorption(ABMA) process for the purpose of bromine extraction from seawater.
利用聚************（PVDF）中空纤维疏水膜进行鼓气膜吸收（ABMA）海水提溴实验。
In this thesis, polyvinylidene fluoride (PVDF) hollow fibers membrane are fabricated by using dry-wet phase inversion method.
本实验采用干-湿相转化法制备聚************（PVDF）中空纤维膜。
PVDF (polyvinylidene fluoride) hollow fiber membrane module using toluene as extractant was used to treat TNT waste water.
采用聚************中空纤维膜器，以甲苯为萃取剂，对TNT废水进行了萃取实验。
A new method for makeing robot wrist sensor, applying piezoelectric organic material polyvinylidene fluoride (PVDF) was discussed.
提出了一种利用有机压电材料PVDF制作机器人腕力传感器的新方法。
The invention relates to a preparation method of a polyvinylidene fluoride (PVDF) ultrafiltration membrane with improved permeability.
本发明涉及一种改善通透性的聚************超滤膜的制备方法。
The invention relate to a non-crystallization type permanent hydrophilic polyvinylidene fluoride material and the preparation method thereof.
本发明涉及一种非结晶型永久亲水聚************膜材料及其制备方法。
The sensor is made of polyvinylidene fluoride (PVDF) and covered by a rubber membrane over the array structure.
传感器采用有机压电（PVDF） 材料为敏感元件，在传感器外表面贴有点阵状结构的橡胶表皮。
The polyvinylidene fluoride (PVDF) flat microporous membrane was prepared via thermally induced phase separation (TIPS) method using dimethyl phthalate (DMP) as the diluent.
以邻苯二甲酸二甲酯（DMP）为稀释剂，采用热致相分离法（TIPS）制备了聚************（PVDF）平板微孔膜。
In addition, tubular membrane is dominatingly made of polyvinylidene fluoride(PVDF) with the integrated production technology and the membrane is tested with self-made leak hunting device.
另外，以聚************（PVDF）为主要原料用管式膜一体化技术生产了管式膜，并通过自行设计的检漏装置对管式膜进行检测。
The present invention relates to a polyvinylidene fluoride nano composite super low pressure ultrafiltration membrane and its preparation method.
一种聚************纳米复合超低压超滤膜及其制备方法，它涉及一种纳米复 合膜及其制备方法。
The invention discloses a method to made polyvinylidene fluoride copolymer gel state electrolyte membrane.
本发明提供了一种聚************共聚物凝胶态电解质膜及其制备工艺。
聚偏二氟乙烯（Polyvinylidene Fluoride，PVDF）是一种含氟高分子聚合物，由偏二氟乙烯（VDF）单体通过聚合反应制备而成。其化学结构式为重复单元$-CH_2-CF_2-$，其中两个氟原子对称分布在碳链两侧，这种独特的分子构型使其兼具高结晶性和强极性。
PVDF的氟原子对称排列增强了分子链间作用力，赋予材料以下特性：
权威文献可参考美国国家标准技术研究院（NIST）高分子数据库及《氟聚合物应用手册》（Wiley出版社）。
polyvinylidene fluoride（PVDF），中文译为聚偏氟乙烯，是一种高性能氟聚合物，以下是其详细解释：
如需更深入的技术参数或应用案例，可参考高权威性来源如、4、6的原文。
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