The tensile strength of PC can he improved by the thermal treatment at the temperature below its glass transition temperature, but the property of the resista...
英
美
- 玻璃化转变温度以下的热处理可以提高PC的拉伸强度,但是对改善材料的耐环境应力开裂性不利。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries