As one of the main precursor of poly ( phenylene sulfide amide), 4 chloro N ( 4 ′ chlorophenyl) benzamide ( DCBA) of high purity was two step synthesized from 4 chlorobenzoic acid and 4 chloroaniline with good yield.

  • 以对氯苯甲酸和对氯苯胺为主要原料,高产率获得了4-氯-N-(4′-氯亚苯基)苯甲酰胺(简称DCBA)。
  • 来源:互联网摘选更新时间:2025-01-20 17:18:50

  • 重点词汇
  • acidadj.酸味的;尖刻的;酸的;酸性的;
  • nn. 英语字母表的第14个字母;
  • polyn.工艺学校;聚酯纤维;
  • sulfiden.<化>硫化物;
  • yieldv.产生;屈服,让步;放弃;让路;
  • asadv. 同样地,一样地;例如;
  • high purity高纯度;
  • 4 four;
  • one of其中之一;
  • mainadj.主要的;
  • ofprep. 关于;属于…的;由…制成;
  • 相关例句
1、

I am glad you are here, because without you, DCBA would be an effective communication channel.

我很高兴在这里看到你们,因为没有你们,底特律中华商会就不成为有效的交流渠道。

互联网摘选

2、

Materials and Methods DCBE was performed in 84 cases with hematochezia and suspicious of colonic polyp, of which 46 cases underwent colonoscopy for further confirmation or therapy.

材料与方法对84例疑诊大肠息肉便血患儿行结肠气钡双重造影且对其中46例作纤维肠镜诊治对照。

互联网摘选

3、

Objective To sum up the technique of double contrast barium enema ( DCBE) for children's colonic polyp, and to evaluate DCBE in its diagnosis.

目的总结结肠气钡双重造影在小儿大肠息肉中的应用方法并评价诊断价值。

互联网摘选

4、

Then the DCBF algorithm is described in detail, with the correctness of DCBF proved and the computing complexity of DCBF analyzed. Finally an example is given.

详细描述了DCBF算法,证明了DCBF算法的正确性,分析了DCBF算法的计算复杂度,并给出了一个实例。

互联网摘选

5、

Objective To observe the differences in the polypeptide and active ingredient contents and biological activity between deproteinized calf serum injection ( DCSI) and deproteinized calf blood injection ( DCBI).

目的通过不同的原料和生化提取方法,制备了小牛血清去蛋白注射液(DCSI)和小牛血去蛋白注射液(DCBI),比较两者在主要成分、多肽含量、生物活性等方面的差异。

互联网摘选

6、

RESULTS Levels of blood glucose, ALT, AST in DCBI groups significantly decreased compared with control group, but level of liver glucose was significantly increased.

结果与对照组相比,小牛血去蛋白注射液实验组血葡萄糖含量显著降低,肝葡萄糖含量显著升高,血清ALT、AST显著降低。

互联网摘选

7、

The Protective Effects of DCBI on Experimental Hepatic Trauma

小牛血去蛋白注射液对鼠实验性肝脏外伤的保护作用

互联网摘选

8、

Serum total protein, albumin, glutamate pyruvate transaminase content if sheep which were fed DCBM were normal ( P> 0.05). DCBM did not damage to liver.

饲喂脱毒蓖麻粕组肉羊血清总蛋白、白蛋白含量均在正常范围内,血清谷丙转氨酶均低于30U/l,各组间差异不显著(P>0.05),说明脱毒蓖麻粕未对肉羊肝脏产生损害。

互联网摘选

9、

10%, 15% DCBM when were supplemented, sperm motility, density and abnormal sperm rate were significant than that in control group ( PO. Ol).

饲喂脱毒蓖麻粕对种羊精液品质有影响,添加10%、15%脱毒蓖麻粕组精子活率、精子密度、精子畸形率与对照组相比差异显著(P0.01)。

互联网摘选

10、

Digestible energy and metabolizable energy in supplementing 10%, 15% DCBM groups were lower than that in control group ( P < 0.05).

添加10%、15%脱毒蓖麻粕组消化能和代谢能与对照组差异显著(P<0.05)。

互联网摘选

11、

The PWM control of DC brushless motor ( DCBM) in warp of loom

无刷直流电机控制织机送经机构

互联网摘选

12、

Research on 160W Power Factor Corrector in DCBM Mode

DCBM模式160瓦功率因数校正器的研制

互联网摘选

14、

Objective To establish the dyslexia checklist for Chinese children ( DCCC), so as to provide a scientific and efficient diagnosis instrument for urban students with Chinese dyslexia.

目的编制一套适合中国学龄儿童使用的《儿童汉语阅读障碍量表》(DCCC,Dyslexia Checklist for Chinese Children),以便为城市学生制定一个科学、有效的汉语阅读障碍诊断工具。

互联网摘选

15、

Objective To examine the reliability and validity of Dyslexia Checklist for Chinese Children ( DCCC), and to provide instrument for clinical diagnosis.

目的检验《儿童汉语阅读障碍量表》(DCCC,Dyslexia Checklist for Chinese Children)的信度与效度,为临床科研工作者诊断儿童阅读障碍提供有利工具。

互联网摘选

16、

Conclusion With its good reliability and validity, the DCCC is an ideal rating scale for children with Chinese dyslexia.

结论《儿童汉语阅读障碍量表》具备较好的信、效度,是一种良好的儿童汉语阅读障碍诊断工具。

互联网摘选

18、

Respectively, through the analysis of the various modules and sub-dimensions, find out the existing problems in the DCCM corporate culture, and finally through the development of a scientifically appropriate strategies and specific measures, elaborated recommendations to enhance the DCCM corporate culture.

分别通过对各个模块和子维度的分析研究,找出了DCCM公司企业文化中存在的问题,最后通过制定科学适当的策略和具体措施,阐述了提升DCCM企业文化的建议。

互联网摘选

19、

To solve the problems of centralized computing model for the train operation adjustment ( TOA), a mathematical model for the TOA of multi-objective optimization is established, and a ( decomposition-coordination) computing model ( DCCM) is designed.

针对列车运行调整问题集中式求解方法的不足,构建多目标优化列车运行调整的数学模型,并设计分解协调计算模型来求解。

互联网摘选

20、

Research and Implementation of DCCP in Dual-Stack Router

双栈路由器中DCCP的研究与实现

互联网摘选

  • 今日热词
  • 热门搜索

简答网英语词典(dict.jiandongshicai.cn)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:(如需回复请填写联系方式)
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈