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- When the parent ion was m/z 180 and the exact CID voltage was 0.5v,the result was satisfactory. 結果選擇氯胺酮的特征離子m/z180為母離子;CID電壓為0.;5v進(jìn)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左右飛秒激光系統下也分別對碘甲烷分子進(jìn)行了研究，都認為碘甲烷分子先電離然后解離。
- His wife was a constant inspiration to him. 他的妻子經(jīng)常鼓勵他。
- 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. 實(shí)驗表明丙酮沒(méi)有產(chǎn)生母體離子峰(m/e=58),只給出m/e=43和15兩個(gè)峰,分別對應于丙酮光解所產(chǎn)生的兩個(gè)碎片CH_3 CO和CH_3。
- The court is acting in loco parent. 正以家長(cháng)地位行為的法院。
- Her constant complaining just sticks in my craw. 她那不斷的訴苦真使我受不了。
- The machinery requires constant maintenance. 這些機器需要經(jīng)常保養維修。
- I was infuriated by/with their constant criticism. 他們沒(méi)完沒(méi)了地批評把我給氣壞了。
- A constant, variable, function name, or expression. 一種常數、變量、函數名或表達式。
- Being a parent can be hard work. 當父母可是件辛苦的事。
- She feels wearisome by the constant noise. 她很厭煩那些沒(méi)完沒(méi)了的嘈雜聲。
- She matured her novel by constant revision. 她不斷修改自己的小說(shuō)以使其趨于完善。
- She yelled at him about his constant drunkenness. 她大嚷大叫說(shuō)他總是爛醉如泥。
- Greed is the parent of many evils. 貪婪是萬(wàn)惡之根源。
- I've had enough of your constant chatter. 我已經(jīng)聽(tīng)夠你那沒(méi)完沒(méi)了的嘮叨話(huà)。
- The firm will be incorporated with the parent company. 這家公司馬上就要同總公司合并。
- She was wearied by the constant noise. 她很厭煩那些沒(méi)完沒(méi)了的噪雜聲。
- Salaries are kept under constant review. 薪金問(wèn)題要一直不斷審訂。
- His constant requests for help taxed our goodwill. 他不斷要求我們幫助他，過(guò)分利用了我們對他的好意。
- Matter is in constant motion and constant change. 物質(zhì)總是在不斷運動(dòng)，不斷發(fā)展。
