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- The quenchant has many advantages,such as apt to dissolve in water,non toxic,smellless,and smokeless and non pollutant in quenching processing. 对不同浓度下的淬火工艺性能也进行了研究。
- The choice of good parameter of water pollution model is a nodus in hydraulics. 水质模型的参数率定一直是水质预报的难点。
- Application of low Mooney viscosity,non pollution type NBR to thin camber sponge rubber was studied. 研究低门尼粘度、非污染型丁腈橡胶在薄型曲面海绵胶料中的应用。
- The direction of the perforator development was more penetration depth, concentrated hole, large hole diameter and non pollution blasting. 最后提出射孔弹应向高穿深、高孔密、大孔径、无污染的方向发展。
- Abstract： The choice of good parameter of water pollution model is a nodus in hydraulics. 摘 要： 水质模型的参数率定一直是水质预报的难点。
- According to the cognizance of branch of national environmental protection, the air pollution of our country belongs to fuliginous pollution model. 据国家环保部门的认定，我国的大气污染属煤烟污染型。
- Its developing orientation can be summarized as Less or non pollution, wasted energy, oxidation and decarburization, distortion, quality dispersion, hand labour, at last less or non reject. 其主要方向是少无污染、少无浪费(能源)、少无氧化、少无脱碳、少无畸变、少无质量分散、少无人工、少无废品。
- A 2 D depth averaged flow pollution model using the finite volume method(FVM) with approximate Riemann solvers for tidal reaches of Yangtze River is established. 根据长江江苏感潮河段水流水质及地形特点,应用有限体积法及黎曼近似解建立了平面二维水流-水质模型。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- I think I can get that special model for you. 我想我可以为你找到那种特别的型号。
- She has been held up as a model worker. 她被推举为模范工作者。
- He showed us a model of the new office building. 他给我们看了新办公楼的模型。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- He taught Tom how to make a model airplane. 他教汤姆作模型飞机的方法。
- Discharge pipe take pollutant away from the coastal area into the sea. 排泄管道将污染性物质由沿海岸区排入大海。
- John is repairing his model plane at his leisure. 约翰不慌不忙地修理着他的航模。
- The old sailor chipped out a tiny model boat. 那名老水手一点儿一点儿地削出一个小船模型。
- 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
