作为另外一种预防杂草的防护措施，你可以一直使用一层厚重耐磨的聚乙烯底垫。
As an additional safeguard against weeds you can always use an underlay of heavy duty polyethylene.
机翼是由铺在碳纤维框架上的聚乙烯薄膜制成的。
The wings are made of a polythene film stretched over a carbon fiber frame.
聚合物太阳能板不同于如聚乙烯等大多数商用塑料，其本质上是绝缘体。
Polymer solar panels differ from most commercial plastics like polythene which are essentially insulators.
从聚乙烯袋子上剪下的白色小标记依然安置在通往墓地的狭窄碎石小路上。
Little white markers cut out of polythene bags are still planted along the narrow rubble lane to the cemetery.
相比之下，人们可以从太空中看到在西班牙数百英里长的用来种植西红柿的聚乙烯薄膜。
In contrast, the hundreds of miles of polythene sheeting used to produce tomatoes in Spain can be seen from space.
高密度聚乙烯是一种更为坚固的塑料。
低密度聚乙烯是一种很软且不易碎的塑料。
聚乙烯（PE）旋塑成工艺一次性模式成型。
Polyethylene (PE) model of spin one-time molding process autopoietic.
模拟了聚乙烯填充体系淘析器内的三维流场。
Three-dimensional flow field in the elutriator of polythene packed system is simulated.
N-异丙基丙烯酰胺与聚乙烯醇的质量百分比分别为5％和25％。
The N-isopropylacrylamide and the polyvinyl alcohol are respectively 5 percent and 25percent by weight percent.
这批货的包装是用顶部带有聚乙烯的纸箱。
This order shall be packed in cartons with polyethylene tops.
聚乙烯容易清洗且耐脏。
很可能不会是研究如何用聚乙烯控制金簇厚度的那个J.
A. Smith who studied how to control the size of gold clusters in polyaniline.
介绍了热复合型聚乙烯胶带的性能、施工特点和应用效果。
The performances, construction precautions and application results of hot compound polyethylene tapes were introduced.
实际上，聚乙烯在生活中应用如此之广，很难想象哪里可以缺得了它。
In fact, polyethylene is so ubiquitous that it's hard to imagine life without it.
这就是当聚乙烯分子在挤压最后过程通过模具时发生的情况。
This is what happens when polyethylene molecules come through a die at the end of an extrusion process.
包装：针织套衫用聚乙烯塑料袋包装，装入出口用标准纸板箱。
Packing: Sweaters are warned in polybasic and packed in standard export cardboard carton.
至于包装材料，有些国家使用聚乙烯膜。但许多国家则使用蜡纸或防油纸。
As for the materials for packaging, some countries are using polyethylene.
聚乙烯醇可用于生产维纶、聚乙烯醇缩丁醛和聚乙烯醇缩甲醛。
Polyvinyl alcohol can be used to produce vinylon, polyvinyl butyral, and polyvinyl formal.
高密度聚乙烯和低密度聚乙烯是在名单中排在二位和三位的高聚物。
High-density polyethylene and low-density polyethylene were the second and third place polymers.
乙烯用于制造聚乙烯(如购物袋)和乙烯基材料(如：座椅，墙板，唱片)。
找那些由licra，聚乙烯超细纤维或vicose纤维制成的衣服。
Look for clothing made of licra, microfiber of poly or vicose.
我不太担心聚乙烯(塑料袋的原料)，也不特别担心聚丙烯，用于酸奶瓶和人造黄油桶。
I'm not so worried about polyethylene [the stuff of plastic baggies]. I'm not particularly worried about polypropylene, which is the stuff that's used in yogurt containers or margarine tubs.
低密度的聚乙烯是PVC很好的替代品，它的生产过程相对简单，也不需要添加化学物质增加柔软性。
Low density polyethylene makes a nice substitute for PVC. It has a simple makeup and doesn't require additives to make it soft and pliable.
遗憾的是国际足联并未鼓励南非将用于明年世界杯比赛耐旱的基库尤草坪替换为二星级的聚乙烯草坪。
So more's the pity that FIFA has not encouraged South Africa to replace the hardy Kikuyu turf intended for next year's World Cup with two-star polyethylene pitches instead.
遗憾的是国际足联并未鼓励南非将用于明年世界杯比赛耐旱的基库尤草坪替换为二星级的聚乙烯草坪。
So more's the pity that FIFA has not encouraged South Africa to replace the hardy Kikuyu turf intended for next year's World Cup with two-star polyethylene pitches instead.
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