查询词典 polyethylene

Today's gum bases can consist of both natural latexes and petroleum products such as polyethylene and paraffin wax , which also means most gums are non-biodegradable .

如今的泡泡糖一般由自然乳胶，聚乙烯和石蜡构成，这也说明它不能进行生物可降解。

All liner fractures occurred at the superior aspect, along the groove in the polyethylene that engages the locking ring of the shell.

所有的衬垫骨折均发生在上关节面，沿着聚乙烯沟。

Produced by industrial and agricultural use of low pressure polyethylene cylinder Raschel mesh bag, windbreak net, construction net wall spraying, falling rocks to prevent the network, as well as PE rope, 26 Product specifications are Japan in the early 20th century, 90 developed a wide range of for industrial and agricultural production of new packaging and protective products, the entire process of production of non-toxic, non-polluting, no noise, all in accordance with international standards of production.

公司生产的工农业用低压聚乙烯拉舍尔圆筒网眼袋、防风网、建筑外墙喷涂网、落石防止网以及PE绳子，26个规格的产品均是日本20世纪90年代初研制的广泛用于工农业生产的新型包装和防护用品，产品生产全过程无毒，无污染，无噪音，全部按照国际标准生产。

The secondary loop is typically made of High-density polyethylene pipe and contains a mixture of water and anti-freeze ( propylene glycol , denatured alcohol or methanol ).

二次回路通常是由高密度聚乙烯管道，并载有（混合水和防冻剂丙二醇，变性乙醇或甲醇）。

The study was conducted in the field to have a survey of the degradation of films and examine the effect of degradable films on crop by comparing it with the uncovered plots and polyethylene films. And the laboratory experiment on the effect of different soil moistures (air-dried, 0.10 g/g, 0.15 g/g, 0.20 g/g, 0.25 g/g, 0.30 g/g) and temperatures (5℃、 15℃、 25℃、 35℃、 45℃) on degradable ratio and content of films was studied. The conclusions were as follows:(1)The film can be degradable at every treatment but its degradation was best when the temperature and water content in soil was 35℃ and

本试验统计观察了降解膜的田间降解状况，比较了它与裸地、普通膜对作物的覆盖效果，在室内研究了在不同土壤水分(风干土、0.10g/g、0.15g/g、0.20g/g、0.25g/g、0.30g/g)和温度(5℃、15℃、25℃、35℃、45℃)下，膜降解率、土壤微生物量碳等的变化情况，获得的主要结论如下：(1)地膜在各处理下都发生降解，但温度为35℃和水分为0.25g/g时地膜降解最快，程度最深。

The replacement of toxic and volatile organic solvents as reaction media or an efficient catalyst with environmentally acceptable alternatives are an area of tremendous importance in modern organic synthesis. Basing the review about solid-phase synthesis with simple separation, the liquid phase organic synthesis supported by the solution polyethylene glycol and the chemical reactions in the medium of PEG, herein we are going to study the synthesis of 1-amidoalkyl-2 -naphthols in presence of the solution catalyst or the solid catalyst and the synthesis of thiourea in PEG-400 medium.

难溶性载体试剂参与下的固相合成使分离操作简单易行；可溶性聚乙二醇支载下的液相合成显示出液相反应的稳定高效性，同时兼顾大分子聚合物容易沉降分离的优点；无毒且稳定的小分子PEG作为反应介质，往往表现出醚和醇的双重性质和功能。

Invented by Indian-born UNSW materials scientist, Professor Veena Sahajwalla, the technology currently substitutes about 30 per cent of coke and coal in electric arc furnace steelmaking with polyethylene waste plastic, which would otherwise have ended up in landfill.

由UNSW的一位印度出生的材料学家——维娜·沙哈瓦拉发明的这项技术，可以通过使用那些原本将要堆在垃圾堆里的废弃聚乙烯塑料，从而节约电弧炉炼钢生产的大约30%煤炭消耗。

Invented by Indian-born UNSW m aterials scientist, Professor Veena Sahajwalla, the technology currently substitutes about 30 per cent of coke and coal in electric arc furnace steelmaking with polyethylene waste plastic, which would otherwise have ended up in landfill.

由 UNSW的一位印度出生的材料学家——维娜·沙哈瓦拉发明的这项技术，可以通过使用那些原本将要堆在垃圾堆里的废弃聚乙烯塑料，从而节约电弧炉炼钢生产的大约30%煤炭消耗。

For the research on chiral discrimination of soluble polymer-supported tartrates as stationary phases of CGC, one of the ligands, di (polyethylene glycol monomethyl ether) tartrate was used as stationary phase and a column was prepared.

为研究可溶性聚合物支载的酒石酸酯作为气相色谱固定相的手性识别能力，配体之一酒石酸二酯被用作固定相制备成色谱柱。

Waxes used as extrusion plastic additives, primarily in the production of extruded plastic products, include petroleum waxes, polyethylene waxes, Fischer-Tropsch waxes, metallic stearates, fatty acid amides, and fatty acid esters.

蜡产品用作挤塑添加剂，主要用于挤出塑料产品，有石油蜡、聚乙烯蜡、费-托蜡、金属化硬脂酸盐、脂肪酰胺和脂肪酸酯。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。