合成橡胶

Purposes: natural rubber, synthetic rubber and latex of the active agent.

用 途：天然橡胶、合成橡胶及胶乳的活性剂。

Natural rubber is a kind of plant secondary metabolites and there are no any other materials for replacement in some special industries because of its excellent properties, such as strong elasticity, wear-resistance.

天然橡胶是产胶植物的一种次生代谢产物，具有耐高温、高弹性等突出优点，是合成橡胶不可比拟的一种世界性工业原料和重要的战略物质，具有极高的经济价值及应用前景。

Natural and synthetic rubbers are both common examples of elastomers.

天然和合成橡胶的，都是常见的例子弹性体。

This is to ensure that the natural rubber price remains remunerative to over three million smallholder households and also fair for consumers relative to synthetic rubber price.

" "这是为了确保天然橡胶价格仍然有利可图，以超过300万小农家庭，也为消费者公平与合成橡胶的价格。

Founded in May 2000, is a synthetic rubber products business of private enterprises.

创建于2000年5月，是一家经营合成橡胶产品的民营企业。

Current situation and prospect of synthetic rubber industry at home and abroad

介绍了俄罗斯的合成橡胶工业，并分析其未来的发展方向。

Synthetic rubber of the modern world's most important, one of the three synthetic materials.

合成橡胶是现代世界上重要的三大合成材料之一。

They are working on a report of their investigation of synthetic rubber .

他们在写一份合成橡胶的调查报告。

The status of synthetic rubber industry in China was analyzed .

分析了我国合成橡胶工业的现状。

So the simulation and optimization of synthetic rubber is still one of the most difficult problems in chemical industry.

因此，合成橡胶装置的模拟优化一直是化工行业中难度较大的一类问题。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。