natural rubber

Natural rubber has problems, though.

然而,天然橡胶也有缺点.

Results of experiments and SEM observation showed that epoxidized natural rubber ( ENR) could improve the dispersion of UFPR in PVC U and enhance the toughness of the blends.

实验结果和电镜图像表明：粉末橡胶基本粒子均匀分散的效果是影响共混物冲击韧性高低的重要因素；

In order to improve the performance of resist high temperature rut, these ways can be used including devising blend to "S" skeleton structure, using more manufactures sand and less natural sand, strengthening rubber compactor ′ s compact etc.

采用将级配设计成S型骨架结构、多用机制砂少用天然砂、加强胶轮碾压等措施来提高中面层的抗高温车辙性能。

Ferrous & Non-Ferrous Metals, Natural Rubber, Latex and Synthetic Rubber.

有色 与 黑色金属, 天然橡胶, 乳胶,合成胶等.

Fertilization is an important measure to increase the production of natural rubber.

施肥是提高天然橡胶生产力的重要措施.

Tearing Energy and Crack Growth Rate of a Kind of Natural Rubber

天然橡胶撕裂能和疲劳裂纹扩展速率研究

Raw natural rubber-Colour index test.

天然生胶颜色指数测定法.

Suggest why natural rubber readily deteriorates on prolonged exposure to air.

解释为什么当天然橡胶在空气中延展开来的时候会硬化?

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.

A natural rubber protective layer over the toe withstands wear.

天然橡胶在脚趾承受的防护层磨损.

APPLICATION: The present machine is used for plasticating natural rubber.

用途: 用于塑炼天然橡胶.

Application of High Damp Quake-proof Rubber Cushions in a Natural Liquid Gas Station

高阻尼抗震橡胶垫在天然液化气接收站的应用

Most natural rubber must be purchased from British and Dutch combines.

大部分天然橡胶必须从英国和荷兰的联合企业购进.

Eucommia ulmoides Oliv. is a famous Chinese endemic medicinal tree, and is also one high quality resource of natural rubber.

杜仲（Eucommia ulmoides Oliv.）是我国特有的名贵药用树种，也是优质的天然胶资源。

And ethylene natural rubber and polymer materials for UV inks and finish.

而天然橡胶和撮不合乙烷材质不不合用UV油墨和上平油.

For many uses, only natural rubber from trees will do.

只有从树上产的天然橡胶才有多种用途.

How is natural rubber treated to overcome its inferior characteristics?

天然橡胶是如何克服它先前的缺点的?

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.

Many synthetic materials have been invented which can be used instead of natural rubber.

人们发明了许多能代替天然橡胶的合成材料.

Do 3 M disposable respirators contain natural rubber latex?

3M的一次性防护口罩是否含有天然橡胶?