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。
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。
Caution: Packaging of the product contains natural rubber latex which may cause allergic reactions.
注意：这个产品的包装包含天然的胶乳成分，对个别人可能会产生过敏的反应。
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。
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。
A study was made of the properties of NR and the effect that natural rubber latex was conserved with feeble-acid-ammonium salt.
通过对弱酸铵盐性质的分析，探索弱酸铵盐对鲜天然胶乳的保存效果及其性能的影响。
The influences of different mixing methods and adhesive systems onthe short fibers reinforced natural rubber are mainly dealt with.
本文重点研究了不同混炼方法、不同粘合体系对不同短纤维补强天然橡胶的影响。
Around a fifth of an average car tyre is therefore made of natural rubber. In an aeroplane tyre that figure can be more than four-fifths.
因此，一个普通车胎含有约1/5天然橡胶，而一个飞机轮胎中则超过4/5。
The insulating layer is pure natural rubber, copper wire for copper, so, in order to ensure the safety of wire and cable of good conductivity.
绝缘层一般为纯天然橡胶，铜丝为无氧铜，这样，才能保证线芯的良好导电性及电缆的安全性。
With economy development of our country, the demand for Natural Rubber increases rapidly, while the production of domestic cannot meet the demand.
随着我国经济高速增长，天然橡胶需求量迅速增大，国内天然橡胶生产滞后于需求增长速度的矛盾日益明显。
Natural rubber is a kind of world large quantity industrial raw material, among which tire enterprises occupy the majority consumption of natural rubber.
天然橡胶是一种世界性的大宗工业原料，其中轮胎企业的用量要占天然橡胶消费量的一半以上。
This Paper has analysed the present situation of the production , consumption , yield predicting , price and new utilization of natural rubber in the world.
本文就当前世界天然橡胶的产量，主产国产量的预测，消费动向，胶价走势及胶树用途的拓展作些简介。
Effects of different kinds of accelerators, blending ratio and cure temperature on natural rubber (NR) cured with equilibrium cure system (ec) were studied.
研究了促进剂的种类，促进剂并用及硫化温度等条件对平衡硫化体系(EC)硫化天然橡胶(NR)的影响。
This is because they have a quiet similar microstructure, so isoprene rubber has the same excellent combination properties with natural rubber in performance.
这是因为它们有着十分相似的微观结构，因此异戊橡胶在性能上与天然橡胶有着一样的优异综合性能。
There is obvious difference in licence management and tariff tax rate between compound rubber and natural rubber, it brings a certainty difficulty to the custom.
天然橡胶和复合橡胶在许可证管理和关税税率方面存在较大的差异，使海关对复合橡胶的进口监管面临着较大风险。
There is obvious difference in licence management and tariff tax rate between compound rubber and natural rubber, it brings a certainty difficulty to the custom.
天然橡胶和复合橡胶在许可证管理和关税税率方面存在较大的差异，使海关对复合橡胶的进口监管面临着较大风险。
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