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- Water is an active element in natural environment. 水是自然环境中极为活跃的因子。 干旱是沙漠化一个最为重要的外在因素。
- An active element; a word, phrase, or symbol. 有效元件;一句话,短语或者符号。
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- Competition mechanism is the most active element of market economy. 竞争机制是市场经济中最活跃的要素。
- It goes without saying that oxygen is the most active element in the atmo here. 不言而喻,氧气是大气中最活泼元素。
- Optical active ethyl 4-cloro-(R)-3-hydroxybutyrate was prepared by stereo selective bioreduction of ethyl 4-chloro-acetoacetate with baker's yeast. 以4 氯乙酰乙酸乙酯为原料,以面包酵母为手性生物催化剂,选择性合成光学活性4 氯 (R) 3 羟基丁酸乙酯。
- It goes without saying that oxygen is the most active element in the atmosphere. 不言而喻,氧气是大气中最活泼的元素。
- Racemization is found with optically active substrate substrates. 发现旋光基质有外消旋作用。
- Conversion of an optically active substance to a racemic form. 外消旋转化将光学活性物质转化为外消旋形式
- The active element Ti can react with Al_2O_3 ceramics and form reaction layer which can join ceramics and metal. 活性元素Ti能够与陶瓷发生反应,形成反应层实现陶瓷和金属的连接,初步探索陶瓷与金属活性连接的机理为:活性元素Ti在钎焊温度下与Ag_(72)Cu_(28)钎料形成液态活性合金,与界面处陶瓷发生化学反应,实现陶瓷和金属的连接。
- An active element of a digit, usually 7 segments for numeric and 14 segments for alpha/numeric digits. 一位数字,通常7部分的有效元件为数值和14部分最初/数值的数字。
- Influence of the Optical Activity of BSO on Spatial Light Modulator[J]. 引用该论文 孔迪;杨建坤;李修建;刘菊.
- I think the methodology is aimed at making the pupil an active element in the classroom. 我想,这一套方法的目的在于让小学生成为课堂上的活跃元素。
- The optical activity of a molecule is not determined by its chirality. 旋光性不是由手性决定的,因为手性是人为抽象出的一种概念。
- Lexis, as the most active element in language, conveys great amount of cultural-specific information and embodies social life. 词汇,作为语言中最活跃的因素,承载着大量的文化信息,反映人类社会文化生活。
- In this process, films react with the active element in anneal atmosphere and recombine structure because of the high temperature. 在退火处理过程中,薄膜一方面与退火气氛中的活性物质发生反应,另一方面在高温作用下发生结构重组。
- The use of the active element may simplify drawing the circuit diagram greatly and may permit easier analysis and synthesis of SI networks. 新元件的引入大大减化了电路的作图,十分便于开关电流(SI)电路的分析和综合。
- For the reason why optical activity of mesomer is counteracted classical answer was not convincing. 指出了内消旋体消旋原因传统解释的不合理性。
- The product xylose is identified by silica gel TLC, optical activity measurement and other approval tests. 成品经过薄层层析和旋光测定等鉴定确定为木糖。
- Economic and trade ties have been an important component of Sino-American relations and the most active element in the contacts between the two countries. 经贸关系历来是中美关系的重要组成部分,也是两国交往中最为活跃的一个方面。