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donor number 添加释义

网络释义英英释义

  施主数

... donor molecule || 施主分子 donor number || 施主数 donor-acceptor system || 施主-受主体系 ...

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短语

donor number density 施主浓度

Electron donor number 电子给予数

Donor number

  • abstract: In chemistry a donor number or DN is a quantitative measure of Lewis basicity. A donor number is defined as the negative enthalpy value for the 1:1 adduct formation between a Lewis base and the standard Lewis acid SbCl5 (antimony pentachloride), in dilute solution in the noncoordinating solvent 1,2-dichloroethane with a zero DN.

以上来源于: WordNet

双语例句权威例句

  • A number of donor countries have also pledged financial and technical support and many others are studying carefully how they could best help assist.

    一些捐助国捐助了资金技术支持,另有许多国家认真研究如何提供最佳协助。

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  • A sharp rise in enrolments to the Organ Donor Register has pushed the total number of those volunteering to donate body parts for life-saving transplants to nearly 17 million.

    器官捐赠登记系统(Organ Donor Register)登记人数的一轮大幅增加使得志愿捐赠器官,将其用于挽救生命的移植手术的人数达到1700万。

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  • They write your race number on your arm with a marker, and I had them add the words Thank you, donor family.

    他们用彩笔选手的手臂上涂上比赛号码他们加上“Thank you, donor family(感谢捐献者及其家属)”

    youdao

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