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- When the parent ion was m/z 180 and the exact CID voltage was 0.5v,the result was satisfactory. 结果选择氯胺酮的特征离子m/z180为母离子;CID电压为0.;5v进行MS/MS分析;
- The results from the P.Graham and Castleman's study on CH3I also supported this conclusionIn the mass spectra ,the parent ion peak was clearly recorded . Graham等人及Castleman等人在790nm左右飞秒激光系统下也分别对碘甲烷分子进行了研究，都认为碘甲烷分子先电离然后解离。
- His wife was a constant inspiration to him. 他的妻子经常鼓励他。
- It is found that no parent ions of acetone are produced, but only the frag ment ions at m/e=15 and 43, corresponding to two neutral fragments of CH_3 and CH_3CO generated by photodissociation of acetone, respectively. 实验表明丙酮没有产生母体离子峰(m/e=58),只给出m/e=43和15两个峰,分别对应于丙酮光解所产生的两个碎片CH_3 CO和CH_3。
- The court is acting in loco parent. 正以家长地位行为的法院。
- Her constant complaining just sticks in my craw. 她那不断的诉苦真使我受不了。
- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- I was infuriated by/with their constant criticism. 他们没完没了地批评把我给气坏了。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- Being a parent can be hard work. 当父母可是件辛苦的事。
- She feels wearisome by the constant noise. 她很厌烦那些没完没了的嘈杂声。
- She matured her novel by constant revision. 她不断修改自己的小说以使其趋于完善。
- She yelled at him about his constant drunkenness. 她大嚷大叫说他总是烂醉如泥。
- Greed is the parent of many evils. 贪婪是万恶之根源。
- I've had enough of your constant chatter. 我已经听够你那没完没了的唠叨话。
- The firm will be incorporated with the parent company. 这家公司马上就要同总公司合并。
- She was wearied by the constant noise. 她很厌烦那些没完没了的噪杂声。
- Salaries are kept under constant review. 薪金问题要一直不断审订。
- His constant requests for help taxed our goodwill. 他不断要求我们帮助他，过分利用了我们对他的好意。
- Matter is in constant motion and constant change. 物质总是在不断运动，不断发展。
