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- These former papers show that nitroaromatics and azo dyes are strong electron attracting, which make them difficult to be biodegraded in aerobic conditions. 这些研究表明,由于硝基和偶氮基具有强烈的吸电子性,好氧条件下很难降解。
- She gave a quiet cough to attract my attention. 她轻轻地咳了一声好引起我注意。
- He snapped his fingers to attract the waiter. 他打了个榧子招呼服务员。
- The chairperson clapped to attract our attention. 主席拍手以唤起我们的注意。
- The salesman banged a drum to attract a crowd. 推销员击鼓以吸引人群。
- The opposite poles of magnets attract each other. 磁体的相反两极相互吸引。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- Opposite poles attract, like poles repel. 同性相斥,异性相吸。
- Businesses vied with each other to attract customers. 各商行互相竞争以招揽顾客。
- Like charges repel each other, but opposite charges attract. 同种电荷互相排斥,但异种电荷却互相吸引。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- He goes after (ie tries to attract sexually) every woman he meets. 他对女人见一个追一个。
- The demonstration was carefully orchestrated to attract maximum publicity. 该示威经过精心策划以尽量吸引公众注意。
- As our ship began to sink, we sent out flares to attract attention. 船开始下沉时,我们发出闪光信号以唤起人们注意。
- I tried to attract his attention, but he was in a brown study. 我企图引起他的注意,但他在沉思而无所觉。
- electron attractivity 吸电子性
- If a magnet loses its magnetism it will no longer attract things. 磁石如果失去磁力,就不能再吸东西了。
- The number of electron pairs an atom can share with other atoms. 共用电子对数,共价一个原子与其他原子共用的电子的对数
- To attract customers, the bar gave away its steins as souvenirs. 为了招揽顾客,这家酒吧将它店里的啤酒杯当纪念品送人。
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷,与正电荷相反的电子