polyethylene的例句大全

Phase-transfer catalytic behavior of polystyrene-supported polyethylene glycol benzyl ether

聚合物固载的聚乙二醇苄醚的相转移催化作用

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Biaxial orientation polyethylene terephthalate ( BOPET) film is widely used in printing, packaging and so on for its excellent comprehensive properties.

双向拉伸聚酯（BOPET）薄膜是一种综合性能优异的薄膜材料，广泛应用于印刷、包装等领域。

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Extra-fine salicylic acid crystallites were prepared by using crystal growth inhibitors such polyethylene glycol and pentaerythritol.

采用晶体生长抑制剂技术,制备了超细水杨酸晶体.

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Various factors affecting the slow-crack-growth ( SCG) resistance of ethylene copolymer ( denoted as polyethylene below) pipes were investigated, including the content, type, and their distribution on the backbone of the comonomers, as well as the molar mass of polyethylene.

研究了共聚单体的种类、含量以及相对分子质量、共聚单体支化链在主链上的分布等因素对聚乙烯管材料抵抗慢速裂纹扩展（SCG）性能的影响。

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The finite element method is used to calculate the stresses and deformations of an embankment dam in Shandong province, the influences of the vertical impervious trench formed by polyethylene membrane on the stress and stability of the dam body are discussed.

采用有限元方法对山东省某调蓄水库工程围坝进行了有限元分析，论证了聚乙烯薄膜垂直防渗槽的位置对坝体应力与稳定的影响。

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In this paper, waste wood flour was used to reinforce high-density polyethylene ( HDPE ) .

本研究采用废木粉为填料增强改性 高密度聚乙烯.

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The application of chlorinated polyethylene rubber ( CM) in wires and cables, rubber tubes, rubber belts and waterproofing roll-roofing were reviewed.

综述了氯化聚乙烯橡胶（CM）在电线电缆、胶管、胶带、防水卷材中的应用现状。

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Structures and properties of as-spun ultra-high molecular weight polyethylene ( UHMWPE ) gel fibers change in ultra-drawing process.

超高分子量聚乙烯 ( UHMWPE ) 的初生凝胶电丝在超倍拉伸(简称为 超拉伸 )过程中其结构和性能要发生一系列变化.

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Preparation of Macroporous Sol-gel Bioactive Glass Using Polyethylene Glycol as Pore Formers

聚乙二醇作造孔剂制备大孔溶胶凝胶生物活性玻璃

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The flame retardance of red phosphorus and aluminium hydroxide filled polyethylene was studied.

研究了将红磷和氢氧化铝填充在聚乙烯体系中的阻燃性.

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The surface layer of polyethylene chain may generate Carbonyl, carboxylated, hydroxyl group of peers that ap-activity.

表层聚乙烯的分子链可能生成羰基 、 羧基 、 羟基等端p活性极.

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In the presence of the phase transfer catalysts such as tetramethylammonium bromide, tetraethylammonium bromide or polyethylene glycol ( MW 400 and 6,000), lithium hydroxide is the best alkali among lithium hydroxide, sodium hydroxide and potassium hydroxide.

研究表明在溴化四甲基铵、溴化四乙基铵、聚乙二醇（分子量为6000）和聚乙二醇（分子量为400）相转移催化体系中，氢氧化锂最好，氢氧化钾次之，氢氧化钠最次。

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A series of long glass fibre ( LGF) reinforced polyethylene ( PE) composites were prepared using LGF treated by KH-500.The mechanical properties and the fibre distribution of composites were investigated.

采用经KH-550偶联剂处理的长玻璃纤维（LGF）与聚乙烯（PE）复合制备了PE/LGF复合材料。研究了该种复合材料的力学性能和LGF在PE基体中的分布状况。

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The effects of polymerization conditions in gas phase and the formulation and preparation of the chromium based polyethylene catalyst QCP 01 on catalyst activity and polymer melt flow index were investigated.

考察了聚合条件以及催化剂配方和制备工艺条件对气相法铬系聚乙烯催化剂QCP－01的聚合活性及产物熔体流动指数的影响。

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The evaluation test of QCP-01 novel PE catalyst was performed in the gas phase polyethylene pilot plant in this paper.

聚乙烯新型催化剂QCP-01在气相法聚乙烯中试装置上进行了聚合评价试验。

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Methods The apparatus was designed by simulating the environment of middle ear and Scala tympani, consisting of supplying cell, receiving cell and the round polyethylene slice with RWM from guinea pigs.

方法模拟中耳腔及鼓阶外淋巴腔环境，构建由活体豚鼠的圆窗膜组织、Franz扩散池（玻璃/聚乙烯组件）组成的体外圆窗通透实验装置；

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Researches showed that some polyolefins such as polypropylene ( PP), polyethylene ( PE), poly ( ethylene-co-vinyl alcohol) EVAL, ethylene-acrylic acid coplymer ( EAA) and poly ( 4-methyl-1-pentene)( TPX) are materials of making microporous through thermally induced phase separation.

研究发现聚乙烯、聚丙烯、乙烯乙烯醇共聚物、乙烯丙烯酸共聚物、聚（4甲基1戊烯）等聚烯烃是可采用热致相分离法制备微孔膜的材料。

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Under this condition synthesizes the methylacrylic acid polyethylene glycol single armor ether ester ( MAAMPEA) the esterification rate to be possible to achieve 98.9%.

此条件下合成甲基丙烯酸聚乙二醇单甲醚酯（MAAMPEA）酯化率可以达到98.9%。

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Poly ( ether ester amide) was prepared from caprolactam and poly ( ether ester) which was synthesized from polyethylene glycol and adipic acid.

用聚乙二醇与己二酸反应合成聚醚酯，再用聚醚酯与己内酰胺反应得到聚醚酯酰胺。

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Computer to use shielded cable, use a small dielectric constant, high-pressure polyethylene for insulation.

电子计算机用屏蔽电缆, 选用介电常数小的高压聚乙烯作绝缘.

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