四溴
- 与 四溴 相关的网络例句 [注：此内容来源于网络，仅供参考]
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In the fourth chapter , we studied the resonance light scattering spectral characteristic of patent blueⅤ- Cetyltrimethyl ammonium bromide-nucleic acid system, and the elementary reaction mechanism with absorption spectra method and 1H NMR spectra method. Another new determination method of nucleic acid at nanogram level was established.
第四章研究了五号专利兰-十六烷基三甲基溴化铵-核酸体系的共振散射光谱特征，并结合吸收光谱法、核磁共振光谱和一系列条件实验探讨了它们的作用机理，建立了一种测定纳克级核酸的新方法。
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Methods: After the sample being digested, because of ethylenediamine-hydrochloric acid, aluminium, chrome azurol S, the polyethylene glycol octyl phenyl ether together with hexadecylpyridine bromide form a steady blue quaternion system, whose absorbance and aluminium content is direct ratio within some consistence range.
样品经消化后，在乙二胺－盐酸缓冲介质存在下，铝与铬天青S和聚乙二醇辛基苯醚及溴代十六烷基吡啶形成稳定蓝色四元体系，在一定浓度范围内，其吸光度与铝含量成正比。
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0 G of cyclopentyl bromide and 19.4 g of magnesium are reacted in ether or THF to give a cyclopentyl Grignard reagent.
119克环戊溴和19.4克镁在空气中或者四氢呋喃中加入环戊格林尼亚试剂作发生反应。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长，致力于国学的研究和推广。