简述了聚氨酯的结构以及与其它材料复合对改善聚氨酯弹性体耐热形变性能的影响。
In this paper, the effects of structure of polyurethane and the mixture of other materials with polyurethane on the heat-resistance of polyurethane elastomers were reviewed.
所得的固化制品具有优异的对碱性流体的抵抗性、优异的拉伸特性和抗压缩形变性、以及优异的对于金属基质的粘附性的组合。
The resulting cured articles have a combination of excellent resistance to alkaline fluids, superior tensile properties and compression set resistance, and excellent adhesion to metal substrates.
左边脊柱多节的赘生物是由退变性骨关节炎引起的。这是椎体明显的“唇形变”。
The knobby excrescences at the left side of this vertebral column are due to degenerative osteoarthritis. This is the pronounced "lipping" of the vertebral bodies.
它的优点在于不必给试样单面施加抗氧化涂层，不需要研究材料的蠕变性质，也不必讨论试样的形变属于弹性形变还是属于塑性形变。
The advantage of this method consists in the fact that neither a protective layer nor creep properties are necessary and that question about clastic or plastic deformation can be avoided.
它的优点在于不必给试样单面施加抗氧化涂层，不需要研究材料的蠕变性质，也不必讨论试样的形变属于弹性形变还是属于塑性形变。
The advantage of this method consists in the fact that neither a protective layer nor creep properties are necessary and that question about clastic or plastic deformation can be avoided.
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