聚乙烯
- polyethylene;polythene;formale;polytene
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田纳西大学的微生物学家詹妮弗·德布鲁恩(JenniferDeBruyn)没有参与这项研究,她说,这种蠕虫能分解聚乙烯并不奇怪。
Jennifer DeBruyn , a microbiologist at the University of Tennessee , who was not involved in the study , says it is not surprising that such worms can break down polyethylene .
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西班牙和英国的研究人员最近发现,大蜡蛾的幼虫可以分解占塑料40%的聚乙烯。
Researchers in Spain and England recently found that the worms of the greater wax moth can break down polyethylene , which accounts for 40 % of plastics .
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我在容器上盖了一片聚乙烯塑料薄膜,解决了这个问题。
I have overcome this problem by placing a sheet of polythene over the top of the container
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为了证实蠕虫并不能光靠咀嚼就导致聚乙烯破裂,研究人员将一些虫子制成糊状物并放到塑料薄膜上。
To confirm that the worms ' chewing alone was not responsible for the polyethylene breakdown , the researchers made some worms into paste and applied it to plastic films .
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研究小组在一个商业聚乙烯购物袋里放置了100个蜡螟蠕虫,12小时后,这些蜡虫消耗并分解了大约92毫克的塑料,几乎占总数的3%。
The team left 100 wax worms on a commercial polyethylene shopping bag for 12 hours , and the worms consumed and broke down about 92 milligrams , or almost 3 % of it .
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“蜡是一种复杂的混合物,但其内部也存在聚乙烯中的基本键——碳碳双键,”她解释道,“而蜡螟蠕虫进化出了一种方法或系统来破坏这种键。”
" Wax is a complex mixture , but the basic bond in polyethylene , the carbon-carbon bond , is there as well , " she explains , " The wax worm evolved a method or system to break this bond ."
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护套层:用聚乙烯或聚氯乙烯挤塑在编织层上而成的
Sheathing layer : PVC extruded polyethylene or in the form of weaving .
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高压聚乙烯生产中引发剂B的分析鉴定方法
The Analysis and Characterization of Initiator B for High-pressure Polyethylene Production
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建筑给水聚乙烯(PE)管道施工技术及应用
Construction technology and application of building polyethylene water supply pipeline
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低压排污用聚乙烯(PE)缠绕管断面结构优化设计思路
The Section Optimun Designing of Low Tension PE Winding Pipe for Sewage Works
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聚乙烯(PE)、聚丙烯(PP)是非常有用的热塑性材料。
Polyethylene ( PP ) and Polypropylene ( PP ) are widely used thermoplastic materials .
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剑麻纤维和聚乙烯改性SBS热塑性弹性体的性能研究
Properties of SBS Thermoplastic Elastomer Modified by Sisal Fiber and Polyethylene
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研究了用DSC法测定聚乙烯(PE)结晶度的理论和新方法。
Theory and means of the determination of crystallinity of polyethylene by DSC was studied .
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本文介绍了5~46kV交联聚乙烯绝缘电缆鉴定试验(Qualificationtest)的试验程序、性能要求及试验方法。
This paper presents the test programme , performance requirements and test methods for the qualification test of 5 46 kV XLPE cables .
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用A、B、C三种添加剂将聚乙烯改性,树枝起始电压竟提高2至4倍之多。
The initial voltage is raised by as much as 2-4 times , when polyethylene is modified by three different kinds of additives A. B. C.
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研究了自增强高密度聚乙烯(HDPE)的结构与性能。
The mechanical property and microscopic morphology of self-reinforced HDPE are investigated .
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试验了三种成膜材料:聚烯丙胺盐酸盐(PAAHC)、聚乙烯亚胺(PEI)和聚乙二醇(PEG)。
Polyethyleneimine , PEI and poly ( ethyleneglycol ), PEG were tried .
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掺碳黑聚乙烯PTC现象的一种相变机理
Mechanism of the PTC phenomenon for Carbon Mixed Black polyethylene
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纳米SiOx/聚乙烯复合材料强场电导特性的研究
High Field Conduction of the Composites of Low-Density Polyethylene / Nano-SiO_x
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采用DSC方法研究了纳米二氧化硅(SiO2)填充线性低密度聚乙烯(LLDPE)的熔融特性。
The melt property of LLDPE filled with nano-scale SiO 2 was studied .
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将功能化聚乙烯蜡/有机蒙脱土插层复合母粒与聚丙烯(PP)共混,制备了有机蒙脱土填充的聚丙烯。
Organic montmorillonite filled polypropylene was prepared by blending functionalized polyethylene wax organic montmorillonite intercalated master batches with polypropylene .
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Schiff碱铜络合物改性超高分子量聚乙烯及润滑油的摩擦学研究
A Tribological Study on Schiff Base Copper Complex Modifying UHMWPE and Lubricants
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探讨了超高相对分子质量聚乙烯(UHMWPE)冻胶纤维的萃取机理。
The extracting mechanism of UHMWPE gel-spun fiber was discussed .
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高电荷密度的聚乙烯亚胺的加入能够中和DCS中的阴离子垃圾,提高阳离子聚丙烯酰胺的助留效果。
PEI with high cationic charge density could neutralize the anionic trash in DCS and improve the efficiency of CPAM .
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茂金属聚乙烯(mPE)/高压聚乙烯(LDPE)共混熔体的流变学
Rheological Behavior of Metallocene PE / LDPE Blend
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研究了聚碳酸酯与ABS(PC/ABS)及PC/ABS与马来酸酐接枝聚乙烯共聚物(PC/ABS/PE-g-MAH)共混体系的力学性能和应力开裂性能。
The mechanical properties and stress crack properties of PC / ABS and PC / ABS / PE g MAH blends were studied .
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通过添加不同含量的乙烯-丙烯酸共聚物(EAA)改善了聚乙烯(PE)的电气性能。
Polyethylene ( PE ) have been modified by various contents of ethylene acrylic acid copolymer ( EAA ) .
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研究了氯化聚乙烯(CPE)对硬质聚氯乙烯挤出性能的影响。
Effect of chlorinated polyethylene ( CPE ) on rigid polyvinyl chloride ( RPVC ) extrusion is studied .
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采用layerbylayer(LBL)的方法,将基板依次在具有光敏双键的季铵盐水溶液和聚乙烯基苯磺酸钠水溶液中浸泡,石英基板表面形成了自组装多层沉积膜。
By using layer-by-layer method , photosensitive self-assembled multilayer film on quartz substrate was prepared in aqueous solution of cationic amphiphile and poly ( sodium 4-styrenesulfonate ) .
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采用高密度聚乙烯(HDPE)管内衬技术对旧管线修复后,管线的耐腐蚀性、耐磨性、抗损耗性均得到了提高。
The corrosion-resistance , erosion resistance and reduction in losses have been improved after the HDPE pipelines were restored by applying internal lining .