缓冲胶是一种高弹性高韧度的橡胶类制品，属汽车改装类配件。用来安装在汽车悬挂系统的螺旋弹簧处，主要起到缓冲避震作用并对避震器起到保护。
为了降低水泥膨胀所引起的膨胀应力，延长瓷绝缘子的使用寿命，在胶装时一般在瓷体和水泥之间涂一层沥青缓冲层。
In order to reduce the expansion stress resulting from cement's expansion and prolong the life-span of porcelain insulator, a thin asphalt buffer layer is coated between the porcelain and the cement.
方法：比较以往报道的各种低分子量蛋白的电泳分离方法，对电泳缓冲液系统、分离胶和浓缩胶的浓度、电泳程序等进行了优化。
Methods: Based on several reported SDS-PAGE systems for low molecular weight protein, the buffer systems, concentrations of separating gel and stacking gel, electrophoresis procedures were optimized.
玩具轮胎、轮皮、轨道垫圈、缓冲器、硬胶车轮减振护套、止滑器。
Toy tires, wheel cover, track washer, bumper, hard-rubber wheel shock absorber.
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