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- In this paper, the discovery of light stabilizing activity of hindered amines,the progress in products development and research of mechanism and application of HALS were reviewed systematically. 受阻胺光稳定剂(HALS)是国外80年代聚合物稳定化助剂开发研究领域的重要课题。本文综述了受阻胺光稳定活性的发现、机理、品种开发与应用研究的进展。
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- A center of interest or activity. 中心兴趣或活动的中心
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- These are the key factors for stabilizing the army. 这是巩固部队的重要因素。
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- The family is a stabilizing element in society. 家庭是社会的一个稳定因素。
- Indulgence in or pursuit of sexual activity. 纵欲; 追求肉欲对性行为的放纵或追求
- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
- A range of endeavor or activity; a province. 范围努力做 ... 的范围或活动范围; 范围
- Acetal tubular load stabilizing frame. 令负重更为稳定。
- Stabilizing fins. The blade is extremely deadly. 能够笔直地飞向敌人。刀刃部份能够造成非常致命的伤害。
- Strict regulations that paralyze economic activity. 阻碍经济活动的严格的规章制度
- 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
