Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.
以苯胺、邻硝基氯苯为原料,采用直接缩合法引入相转移催化剂合成邻硝基二苯胺。
单词 | direct methods |
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Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst. 以苯胺、邻硝基氯苯为原料,采用直接缩合法引入相转移催化剂合成邻硝基二苯胺。 This finding shows the limitation of the direct estimation method in developing MAWL although we can obtain the MAWL more quickly and easily. 这发现显示出直接估计法虽能快速且容易的获得MAWL,但在现今发展MAWL下是有其限制的。 A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient. 用比较直接的方法证明幂级数的和函数在收敛域内可以逐项微分的公式;并得到了计算傅立叶系数的一种简便方法. 声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
原声例句
VOA Special 2018年11月合集 Pollock developed what he called a direct method, applying the paint directly onto an empty canvas. 波洛克开创了一种被他成为“直接方法”的方式,将颜料直接应用在空白的帆布上。 CGTN 阅读精选 Although such wave signals are extremely weak, they offer a direct method for probing masses that do not emit light. 尽管这种波信号极其微弱,但它们提供了一种探测不发光物质的直接方法。 《沙丘》有声书 Piter will use simple, direct methods. 彼得将使用简单、直接的方法。 历年英语专业八级真题听力(专项) And then you have direct method, which focuses on conversational skills and all teaching must be carried out in the second language. 还有直接教学法,强调对话技能,所有教学活动都以第二语言进行。 本的雅思播客 Whereas if you just use this direct reflection method, you're onto the right track. 然而,如果您只使用这种直接反射方法,那么您就走上了正确的道路。 孙子兵法 In all fighting, the direct method may be used for joining battle, but indirect methods will be needed in order to secure victory. 凡战者,以正合,以奇胜。 人物档案 He was correct, but the technology available at the time simply favoured the more crude direct current method. 他是对的,但当时的技术更倾向于更原始的直流电方法。 朗文OCLM-01单词 Languages are taught by the direct method, that is to say, without using the student’s own language. 【that】语言教学使用的是直接教学法,也就是说,不用学生的母语。 TEM8 听力原文 And then you have direct method, which focuses on conversational skills and all teaching must be carried out in the second language. 还有直接教学法,强调对话技能,所有教学活动都以第二语言进行。 |
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