The natural rubber has been gathered from the sap of plants for centuries.
天然橡胶是几个世纪以来从植物汁液中收集来的。
Natural rubber has problems, though.
然而，天然橡胶也有缺点。
These insulating gloves are made of natural rubber.
这种绝缘手套是由天然橡胶制成的。
Synthetic rubber has substituted natural rubber in many fields.
合成橡胶在许多领域取代了天然橡胶。
Natural rubber has been gathered from the sap of plants for centuries.
从植物汁液中收集天然橡胶已经有几个世纪的历史。
Natural rubber is one of the four main rural materials for industry.
天然橡胶为四大工业原料之一，也是极为重要的战略物资。
Our furniture is made mainly out of natural rubber, wood, veneer and palm wood.
我们的家具的原材料主要是由天然橡胶，木材，胶合板和棕榈木组成。
But even today natural rubber makes up around 14% of car tyres and 27% of lorry tyres.
但是直到今天，制造轿车胎仍然需要约14%的天然橡胶，载重胎是27%。
Natural rubber is obtained from rubber trees as a white, milky liquid known as latex.
天然橡胶—一种叫做“乳胶”的白色乳状液体—取自橡胶树。
Natural rubber latex, natural rubber, rubber composition containing the same, and tire.
天然胶乳，天然橡胶，含有该物质的橡胶组合物及轮胎。
Today nearly 50% of every auto tire and 100% of all aircraft tires are made of natural rubber.
目前，每一个汽车轮胎用近50%的天然橡胶制成，所有飞机轮胎都是用100%的天然橡胶制成的。
Allergies to medications or food, including specific questions about natural rubber latex.
药物或食物过敏史，包括天然橡胶特种过敏反应。
The problem whether natural rubber is a polymer with linear chain molecules has been solved.
天然橡胶是否是线型链状分子的聚合物，这个问题已经解决了。
It can be divided into natural rubber and synthetic rubber according to the source of raw materials.
根据原材料的来源不同，它能分为天然橡胶和合成橡胶两类。
A composition for preparing tarpaulin is studied by using a tactic polypropylene and natural rubber.
研究了无规聚丙烯与天然橡胶并用制备篷布的配方。
Synthetic rubber did not have the strength for radials; only natural rubber could provide the required sturdiness.
合成橡胶不具有子午线轮胎的那种强度，只有天然橡胶才具有所需的那种强度。
Factory was established in 2005, is a specialized production and marketing of natural rubber products business.
本厂成立于2005年，是一家专门生产销售天然橡胶制品的企业。
Butyl rubber closures had replaced of natural rubber closures and had been applied in pharmaceutical packaging.
丁基胶塞已经逐步取代天然胶塞，在药品包装行业广泛应用。
The properties of the blends of 1,2-polybutadiene ( PB ) and natural rubber ( NR ) at equal loading were studied.
本工作研究了1，2-聚丁二烯（PB）与天然橡胶（NR）等量并用的共混胶的性能。
Calibration curve of natural rubber was obtained by using polystyrene standard and universal calibration methods.
天然胶的校正曲线是以标准聚苯乙烯和普用校正法获得的。
The article analysizes the technology of natural rubber modification and summarizes the method of its modification.
分析了天然橡胶改性的技术，并对天然橡胶的改性方法进行了综述。
Examples of homopolymers are natural rubber, whose monomer is isoprene, and polyethylene, whose monomer is ethylene.
均聚物的例子有单体为异戊二烯的天然橡胶以及单体为乙烯的聚乙烯。
Lowering the cost and improving the quality is the key to increase the market competitiveness of natural rubber products.
降低成本、提高质量是增强天然橡胶产品市场竞争力的关键。
The surface modification of natural rubber (NR) was carried out by grafting polyorganosiloxane under microwave irradiation.
微波辐照下，用聚硅氧烷对天然橡胶表面进行了处理。
It has a better flex cracking resistance than those of natural rubber but a lower tear strength and a higher dynamic modulus.
它比天然橡胶具有较好的抗挠曲开裂性能，但撕裂强度较低，动态模量较高。
They concluded that ozone attack on natural rubber was extensive and complex and could be related to the acetone extractables.
他得出结论，认为臭氧对合成橡胶的侵蚀是广泛的复杂的，可以和丙酮的可提取性联系起来。
They concluded that ozone attack on natural rubber was extensive and complex and could be related to the acetone extractables.
他得出结论，认为臭氧对合成橡胶的侵蚀是广泛的复杂的，可以和丙酮的可提取性联系起来。
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