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- During the combustion process of coal, the nitrogen element in coal may turn to various oxides of nitrogen, thereby, resulting in ambient pollution. 煤中氮元素在煤燃烧过程中会转化为各种氮的氧化物,从而造成环境污染。
- The result indicated that the different nitrogen element has the different influence on apocynum venetum degumming,the remnant pectin rate is 14. 结果表明;不同化合价的氮元素对罗布麻生物脱胶具有不同的影响;以铵盐作为含氮添加剂残胶率为14.;1%25;以硝酸盐作为含氮添加剂残胶率为15%25。
- The result indicated that the different nitrogen element has the different influence on apocynum venetum degumming, the remnant pectin rate is 14.1% with ammonium salt as nitrogen additive, 15% with the nitrate. 结果表明，不同化合价的氮元素对罗布麻生物脱胶具有不同的影响，以铵盐作为含氮添加剂残胶率为14.;1%25，以硝酸盐作为含氮添加剂残胶率为15%25。
- The hexagonal ring precursor containing boron and nitrogen elements was also prepared by the reaction of TCB and (Me3Si)2NH at different temperatures. 用上述反应获得的TCB与(Me3Si)2NH在不同温度下反应，合成了具有硼、氮六元环结构的氮化硼先驱体；
- Keywords alcohol;production;nitrogen element;fusel oil and study; 酒精;生产;氮元素;杂醇油;探讨;
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- In a printer, the removable type element. 印刷机上可拆卸的打印部件。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- He's in his element when playing badminton. 他打起羽毛球来真是得心应手。
- This heater needs a new element. 这个加热器需要一组新电阻丝。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Unlike oxygen, the element nitrogen is inactive. 与氧不同，元素氮不活泼。
- I'm out of my element in political discussions. 我不喜欢参加政治讨论。
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
- The scientists are in search of a new element. 科学家们正在寻找一种新元素。
- Clinical use of the low fat and high nitrogen elemental diet 低脂高氮要素膳的临床应用
- He was out of his element at the ball. 他在舞会上感到格格不入。
- There's an element of truth in his story. 他说的有些道理。
