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- Its stucture was investigated through IR,1H NMR and mass spectrum. 用紅外光譜、核磁共振氫譜和質(zhì)譜推測了產(chǎn)物的結構。
- Meanwhile, MS peaks with +3, +4, +5, +6 and +7 charges were formed in mass spectrum under the ESI positive scan mode. 同時(shí)在ESI正離子全范圍掃描中主要形成帶有+3、+4、+5、+6、+7等不同電荷數的質(zhì)譜峰。
- Dipentene of different origin were analysed by GC-MC and computer autometic request mass spectrum. 采用氣質(zhì)聯(lián)用儀，微機圖譜自動(dòng)檢索對不同來(lái)源的雙戊烯的化學(xué)組成進(jìn)行了分析。
- Aim:To determine the mass spectrum and the mass spectrometric decomposition process of azodiisobutyronitrile. 目的：確定偶氮二異丁腈的質(zhì)譜圖及其質(zhì)譜碎裂機理。
- The HPLC was subjected to gradient elution and negtive ion mode was adopted in mass spectrum. 高效液相色譜用梯度洗脫,質(zhì)譜用負離子模式。
- The application of FAB-MIKES mass spectrum to the determination of amino acid sequenceof peptides was reported. 本文報道了用快原子轟擊與質(zhì)量分離離子動(dòng)能譜(FAB-MIKES)技術(shù)測定三個(gè)多肽(七肽、八肽和九肽)中氨基酸的順序。
- Multiphoton ionization mass spectrum of ammonia-methanol complex cluster and ab initio calculation[J]. 引用該論文 許明坤;張樹(shù)東;孔祥和;蔡廷棟;姜素蓉.
- The selection of the desired species(element, isotope, and charge state)is certified by the signature of the entire mass spectrum. 所需物質(zhì)（元素、同位素及電荷態(tài)）的選擇，被全部質(zhì)譜的信號特征所證實(shí)。
- Through tandem mass spectrum, the results show that heteromorphic leaves are different in photosynthesis and respiration. 通過(guò)對差異蛋白點(diǎn)的串聯(lián)質(zhì)譜鑒定，發(fā)現異形葉在光合及呼吸作用方面存在差異。
- energy resolved low-energy charged particle detector 能量分辨的低能帶電粒子探測器
- O-chlorophenol/water mixed clusters were studied using both laser multiphoton ionization mass spectrum and supersonic pulsed molecular beam technique. 應用激光多光子電離質(zhì)譜與超聲脈沖分子束技術(shù)研究鄰氯苯酚-水的混合團簇。
- Several byproducts in alkylbenzene sulfonic acid were separated through column chromatography and identified by mass spectrum(MS). 采用柱層析法分離出了烷基苯磺酸中的雜質(zhì)，并采用質(zhì)譜法對這些雜質(zhì)進(jìn)行了定性。
- UV Laser MPI Spectra and TOF Mass Spectra of Tetramethylsilane[J]. 引用該論文 施德恒;熊永建;陸慶正;余枝廣;馬興孝;孔繁敖.
- UV laser MPID time-of-f light mass spectra study on Oxirane[J]. 引用該論文 錢(qián)誼樂(lè );方黎;鄭海洋;趙亞萍;吳存愷;余技廣;秦啟宗.
- The experimental molecular mass (8572.0 Da) obtained by electrospray mass spectrum showed that the protein is uniformly labeled above 99 %. 電噴霧質(zhì)譜確定了純化后的蛋白質(zhì)的分子量為8572.;0 Da，說(shuō)明該蛋白質(zhì)得到均一標記（標記率達到99%25以上）。
- Phase distributions of heavy metals in pyrite were analyzed by inductively coupled plasma mass spectrum with sequential extraction procedure. 以分級提取-電感耦合等離子體質(zhì)譜考察了黃鐵礦中重金屬的相態(tài)分布。
- Rear earth element determination in tea by inductively coupled plasma mass spectrum...to determine fifteen rear earth elements simultaneously.... 茶葉中稀土元素的電感耦合等離子體質(zhì)譜檢測方法研究-相關(guān)信息...
- De novo sequencing provides proteomics research work a new method to interpret tandem mass spectrum data without any help of protein sequence databases. 從頭測序為蛋白質(zhì)組研究提供了一種不用借助于任何蛋白質(zhì)序列數據庫信息,直接解讀串聯(lián)質(zhì)譜數據的方法。
- It is possible to transmute one form of energy into another. 把某種形態(tài)的能量改變成另一形態(tài)的能量是可能的。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
