合成橡胶

The reasons of the low use level of synthetic rubber in the production of rubber shoe were discussed and analyzed.

对我国胶鞋生产中合成橡胶使用比偏低的原因作了探讨和分析，并认为应该而且完全可以在现有使用比基础上加以提

It is a center of petrochemical and synthetic rubber production .

休斯敦被称作世界化工之都，是美国西南部地区最大的商业中心，也是石油化工和合成橡胶中心，还是宇航中心所在地。

Our company engaged in import and export, sales of natural rubber and synthetic rubber has been nearly 10 years of experience, and gathered a team of experienced, qualified sales professionals.

我公司在从事进出口、销售天然胶和合成橡胶方面已有近10年的经验，并聚集了一批经验丰富、素质优良的专业销售人员。

Such belts are made of synthetic rubber and reinforced with internal steel or fiberglass strands.

这样的带是由合成橡胶做成并且用内部的钢或者玻璃纤维绞合加强。

The influence of the structure and coupling degree for a test SSBR synthesized with one step method and multi functional initiator on the physical properties and dynamic mechanical properties of its vulcanizate was investigated by using SL552 made by JSR as control polymer.

研究了多官能团引发剂一步法合成的溶聚丁苯橡胶的结构及偶联程度对其物理性能和动态力学性能的影响，并与日本合成橡胶公司的SL5 5 2进行比较。

Cool Feature: The bag is made of neoprene -- or wetsuit fabric.

特色：这个包用合成橡胶制成或湿式潜水衣织物制成。

Foams are cushiony material formed by the creation of gas bubbles in a base material such as natural rubber, synthetic rubber or other elastomeric materials.

它们是由气泡在一种基本材料如天然橡胶、合成橡胶或其它弹性材料中的产生而形成的软垫材料。

Objective: Acrylonitrileis a hypertoxic nitrile of colorless and bitter apricot seed. It is an important material used for synthetic resin, synthetic fiber, synthetic rubber, et al, and its manufactures is widely used in daily life and production process. Because of computers, television, automobiles and other related industries on the demand for ACN, the production and demands of ACN is increasing year by year, and the occupational exposure is also a rapidly expanding population.

目的：丙烯腈(acrylonitrile，ACN)，是一种无色、具苦杏仁味的高毒类腈化物，是合成树脂、合成纤维、合成橡胶等高分子材料生产中的重要原料，其制成品在日常生活和生产过程中使用广泛；电脑、电视、汽车等相关行业对ACN的需求量不断增加，近年来的生产量和需求量逐年上升，职业接触人群也迅速扩大。

Any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers.

三种同分异构的碳氢化合物ch中任意一种，均用于制造合成橡胶。

Ordinary pimpled rubber is a single layer of non-celluar rubber, natural or synthetic, with pimples evenly distributed over its surface at a density of not less than 10 per sq.

&普通颗粒胶&是一层无泡沫的天然橡胶或合成橡胶，其颗粒必须以每平方厘米不少于10颗，不多于50颗的平均密度分布整个表面。

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。