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- Water is an active element in natural environment. 水是自然環(huán)境中極為活躍的因子。 干旱是沙漠化一個(gè)最為重要的外在因素。
- An active element; a word, phrase, or symbol. 有效元件；一句話(huà)，短語(yǔ)或者符號。
- Showing no optical activity in polarized light. 無(wú)旋光的極化光下無(wú)光學(xué)反應的
- Competition mechanism is the most active element of market economy. 競爭機制是市場(chǎng)經(jīng)濟中最活躍的要素。
- It goes without saying that oxygen is the most active element in the atmo here. 不言而喻，氧氣是大氣中最活潑元素。
- 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 氯乙酰乙酸乙酯為原料,以面包酵母為手性生物催化劑,選擇性合成光學(xué)活性4 氯 (R) 3 羥基丁酸乙酯。
- It goes without saying that oxygen is the most active element in the atmosphere. 不言而喻,氧氣是大氣中最活潑的元素。
- Racemization is found with optically active substrate substrates. 發(fā)現旋光基質(zhì)有外消旋作用。
- Conversion of an optically active substance to a racemic form. 外消旋轉化將光學(xué)活性物質(zhì)轉化為外消旋形式
- 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能夠與陶瓷發(fā)生反應，形成反應層實(shí)現陶瓷和金屬的連接，初步探索陶瓷與金屬活性連接的機理為：活性元素Ti在釬焊溫度下與Ag_(72)Cu_(28)釬料形成液態(tài)活性合金，與界面處陶瓷發(fā)生化學(xué)反應，實(shí)現陶瓷和金屬的連接。
- An active element of a digit, usually 7 segments for numeric and 14 segments for alpha/numeric digits. 一位數字，通常7部分的有效元件為數值和14部分最初/數值的數字。
- Influence of the Optical Activity of BSO on Spatial Light Modulator[J]. 引用該論文 孔迪;楊建坤;李修建;劉菊.
- I think the methodology is aimed at making the pupil an active element in the classroom. 我想，這一套方法的目的在于讓小學(xué)生成為課堂上的活躍元素。
- The optical activity of a molecule is not determined by its chirality. 旋光性不是由手性決定的,因為手性是人為抽象出的一種概念。
- Lexis, as the most active element in language, conveys great amount of cultural-specific information and embodies social life. 詞匯,作為語(yǔ)言中最活躍的因素,承載著(zhù)大量的文化信息,反映人類(lèi)社會(huì )文化生活。
- In this process, films react with the active element in anneal atmosphere and recombine structure because of the high temperature. 在退火處理過(guò)程中，薄膜一方面與退火氣氛中的活性物質(zhì)發(fā)生反應，另一方面在高溫作用下發(fā)生結構重組。
- The use of the active element may simplify drawing the circuit diagram greatly and may permit easier analysis and synthesis of SI networks. 新元件的引入大大減化了電路的作圖,十分便于開(kāi)關(guān)電流(SI)電路的分析和綜合。
- For the reason why optical activity of mesomer is counteracted classical answer was not convincing. 指出了內消旋體消旋原因傳統解釋的不合理性。
- The product xylose is identified by silica gel TLC, optical activity measurement and other approval tests. 成品經(jīng)過(guò)薄層層析和旋光測定等鑒定確定為木糖。
- 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. 經(jīng)貿關(guān)系歷來(lái)是中美關(guān)系的重要組成部分,也是兩國交往中最為活躍的一個(gè)方面。
