天然橡胶

This experiment has prepared the compound material of fiber reinforced caoutchouc by using the dry compounding process with short glass fiber and C fiber,studied the impacts on tensile strength,elongation at break, tearing strength,Shaoshi strength due to the different fiber type and the addition,as well as compared the property of two kinds of fiber reinforced compound material.

采用了短玻璃纤维及C纤维干法混炼工艺制备了纤维增强天然橡胶复合材料，研究了纤维种类及添加量对其拉伸强度、断裂伸长率、撕裂强度、邵氏硬度的影响，并且就两种纤维增强的复合材料性能进行了对比

Methods Ten rats were subjected to anatomy following caoutchouc perfusion into the artery by inserting tubes through the heart, 10 were subjected to dissection following artery and vein perfusion, and 10 were subjected to dissection immediately following anesthesia.

采用经心脏插管天然橡胶灌注方法对10只大鼠行动脉灌注后解剖、10只大鼠行动静脉同时灌注后解剖， 10只活体大鼠麻醉后直接解剖，观察大鼠尾动脉情况并测量尾动脉不同平面的外径。

Methods Ten rats were subjected to anatomy following caoutchouc perfusion into the artery by inserting tubes through the heart, 10 were subjected to dissection following artery and vein perfusion, and 10 were subjected to dissection immediately following anesthesia. Diameter of the caudal artery was measured.

采用经心脏插管天然橡胶灌注方法对10只大鼠行动脉灌注后解剖、10只大鼠行动静脉同时灌注后解剖， 10只活体大鼠麻醉后直接解剖，观察大鼠尾动脉情况并测量尾动脉不同平面的外径。

Blends of 75/25 chloroprene rubber/natural rubberfilled with various loadings of precipitated silica were prepared,and their mechanical properties as well as the resistances to thermal aging and oil were studied.

研究了不同用量的沉淀法白炭黑填充质量比75/25的氯丁橡胶/天然橡胶共混物的物理机械性能、耐热老化性能和耐油性能，并用扫描电镜研究了共混物的结构。

In addition, the milky juice of one kind of dandelion has been used to make a natural rubber.

另外，有一种蒲公英的乳汁能用来制造天然橡胶。

The tensile and the compressional deformation recovery ratios of high-density polyethylene-natural rubber blending material, the effects of temperature on its tensile deformation recovery ratio and its mechanical properties are studied, and the mechanism of its shape memory is also discussed.

研究了高密度聚乙烯/天然橡胶材料的拉伸与压缩形变回复率、温度对拉伸形变回复率的影响、力学性能，探讨了形状记忆的原理。

For investigations on the modified character of 1, 2 - polybutadiene (1,2 - PB), the structure changes of natural rubber/ 1,2 - PB blends under thermal oxygen process with chemical stress relaxation and Flory 's theory of crosslinking structure were studied and compared with those of NR/styrene-butadiene rubber and NR.

用化学应力弛豫法和Flory交联网络理论分析了在热氧作用下天然橡胶／1，2－聚丁二烯（NR／1，2－PB）共混物硫化胶的网络结构特征，并与NR／丁苯橡胶、NR硫化胶作了对比，以考察1，2－PB对NR／1，2－PB共混物老化性能的影响。

Static mechanical and dynamic tensile fatigue properties of vulcanizates of gutta /natural rubber blends were tested.

对杜仲胶与天然橡胶共混硫化胶的静态力学性能及动态伸张疲劳性能进行了研究。

The properties of vulcanizates of natural rubber/BR/ gutta blends were tested.

对天然橡胶、顺丁橡胶、杜仲胶三元共混硫化胶的性能进行了研究。

In 1840, the Englishman Thomas Hancock designed inflatable craft and described this work in "The Origin and Progress of India Rubber Manufacture in England" published a few years later. In 1844, a Lieutenant Halkett designed a round-shaped inflatable bloat which was used in several Arctic expeditions.

1840年，英国人托马斯汉考克设计了充气筏并把他的工作相关介绍收录在之后几年出版的《英国天然橡胶的起源和进程》一书中。1844年，一名海军上尉Halkett设计了一个轮状的充气船，这个充气船被多次用在北极探险中。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。