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- Measurement Technology of Atmospheric Tracer Deuterated Methanes 全氘甲烷大气示踪剂测量技术
- Deuterated Methane Atmospheric Tracer Technology 全氘甲烷大气示踪技术
- deuterated methanes 全氘甲烷
- Isotope Separation of Deuterated Methane and Natural Methane by Gas Chromatography 天然甲烷与全氘甲烷同位素的色谱分离
- Matherson L J, Tramyek P G Reductive dehalogenation of chlorinated methanes by iron metal. Environ Sci &Technol., 1994, 28(12):2045. 何小娟;刘菲;黄园英;等.;利用零价铁去除挥发性氯代脂肪烃的试验[J]
- The specificity of the hydrogen migration has been demonstrated through the use of deuterated compounds. 这种特殊的氢原子迁移,已经用氘化化合物予以证实。
- Abstract: Oxidative dimerizations of a seris of aryl methanes have been investigated and the products characterized. 文摘:研究了数种芳基甲烷在有机溶剂中碱催化下的氧化缩合反应,并对反应产物进行了表征。
- Oxidative dimerizations of a seris of aryl methanes have been investigated and the products characterized. 研究了数种芳基甲烷在有机溶剂中碱催化下的氧化缩合反应,并对反应产物进行了表征。
- This essential collection will appeal to fans of Tim Story, Kitaro, Deuter, Constance Demby, and Lisa Lynne... 两首新作在现代钢琴的演奏风格中融入了古典音乐的技巧与情绪,给人一种纯净、轻盈、典雅、脱俗的美和想象空间。
- Taking photos of the diversifolious poplars is our last stop of this journey with DEUTER. 拍摄胡杨是我们与多特一起旅程的最后一站。
- The Wu M1-1 well is the first coalbed methan (CBM) multi-branched horizontal well of the Petrochina. 武M1-1井是中石油第1口煤层气多分支水平井。
- Means more to meThan anything this world could showAnd it always will for the world to see. 因为爱你比世上一切都意谓深远;所以吾爱永恒。
- Deuterated perlolyrine was synthesizedstarting from deuterated tryptophan via acid-catalyzed ring-closure, aromatisationand hydrolysis, with a yield of 11. 以色氨酸和氘水反应合成的氘标色氨酸为原料,经环化、氧化脱羧及水解等反应合成氘标川芎哚,产率为11。
- Matheson, L.J. and Tratnydk, P.G., “Reductive dehalogenation of chlorinated methanes by Iron Metal”, Environmental Science and Technology, Vol.28(12), pp. 2045-2053, 1994. 黄学艺,“元素铁还原水中六价铬离子之研究”,嘉南药理科技大学环境工程与科学系硕士论文,2005。
- The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes. 芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应;是合成二苯乙烯(烷)类化合物的重要途径.
- In this Paper,author introduces current production situation,supply and demand,and develo pment forecast for the year 2000 of domestic chlorinated methanes(CMS). 介绍了国内甲烷氯化物(CMS)生产现状、供需、2000年发展预测及技术进展。
- Calculations show that the H8TPyP6+ has a saddle-distorted D2d structure, and the geometric parameters agree well with the X-ray data The observed Raman bands of H8TPyP6+ were assigned on the basis of DFT calculations and the deuterated shifts. 计算结果显示H8TPyP6+具有鞍型变形的D2d对称性结构,四个吡咯环交替倾斜地分布在卟啉平面的上下侧,计算所得的结构参数与X射线晶体结构基本一致。 在DFT计算结果和氘代位移的基础上对拉曼谱带进行了指认。
- Deuterated perlolyrine was synthes ized starting from deuterated tryptophan via acid-catalyzed ring-closure, aromatisation and hydrolysis, with a yield of 11.6%and abundance of about 95%. 以色氨酸和氘水反应合成的氘标色氨酸为原料;经环化、氧化脱羧及水解等反应合成氘标川芎哚;产为11.;6%25;氘标总丰度约为90%25。
- This paper reports the synthetic method of containing Resin-Bibenzoyl, methan,discusses the absorbing property of Resin on uranium and the corditions for enrichment and sepa-ration of trace uranium. 本文介绍了二苯甲酰甲烷萃淋树酯的合成方法,讨论了该树酯对铀的吸附性能和分离富集铀的条件。
- FABRICATION OF DEUTERATED SOLID ICF TARGET ICF氘代固体靶的研制