您要查找的是不是:
- A group of multi substituted phenols were prepared via intramolecular wittig reaction of a kind of long chain phosphonic ylides. 一类含六个碳的长链叶立德通过分子内维蒂希反应可生成含氟多取代苯酚 .
- W5001 is a new complex liquid antioxidant of substituted phenol and amine for improving the oxidation stability of gasoline. 新型抗氧剂W5001是一种含取代基酚-胺复合型液体抗氧剂,用于提高汽油氧化安定性。
- Under microwave irradiation, meclofenoxatum was synthesized through alkylation of the substituted phenol and esterification of 4-chlorophenoxy acetic acid. 摘要在微波辐射下,以对氯苯酚为原料,通过取代酚的醚化、酯化来合成氯醒酯。
- Under microwave irradiation,meclofenoxatum was synthesized through alkylation of the substituted phenol and esterification of 4-chlorophenoxy acetic acid. 在微波辐射下,以对氯苯酚为原料,通过取代酚的醚化、酯化来合成氯醒酯。
- The chemselective nitration of substituted phenol was carried out using NaHSO4/NaNO3 as a nitration reagent in water. The products were purified easily in high yields. 以硫酸氢钠和硝酸钠为硝化剂,在水溶液中完成了取代苯酚的硝化反应。硝化产物具有良好的选择性和较高的产率。
- An efficient esterification of ferrocenecarboxylic acid and substituted phenols has been achieved using DCC/DMAP protocol in ionic liquids. The corresponding esters were produced in high yields. 摘要在“绿色溶剂”-室温离子液体中,采用二环己基碳二亚胺/4-二甲氨基吡啶(DCC/DMAP)进行二茂铁甲酸芳香酯的合成研究,反应条件温和,简单方便,产率高,该反应具有环境友好的特点。
- The inhibition of 18 substituted phenolics to ammonia-oxidizing activity of sediment was measured by means of oscillator test. 利用摇瓶试验考察了18种取代苯酚化合物对底泥氨氧化活性的抑制作用。
- Keywords respirometer;activated sludge;substituted phenol;inhibitory; 呼吸仪;活性污泥;取代酚;抑制;
- Molecular topological research on activity for substituted benzoic alcohols and substituted phenols 取代苯甲醇和取代苯酚活性的分子拓扑研究
- The coach substituted Smith for Jones. 教练让史密斯上场,换下了琼斯。
- Tom substituted for the injured player. 汤姆替换了那个受伤的运动员。
- The Molecular Topological Research on Creaturely Activity for Halogented Phenols and Substituted Phenols 卤代苯酚和取代酚生物活性的分子拓扑研究
- QUANTITATIVE STRUCTURE-GENOTOXICITY RELATIONSHIP OF SUBSTITUTED PHENOLS TO HUMAN LYMPHOCYTE 取代苯酚对人体外周血淋巴细胞的遗传毒性及定量结构关系
- Keywords Estrogenicity;Juvenile goldfish;Substituted Phenols;ELISA;QSAR Analysis; 雌激素效应;金鱼幼鱼;取代酚;酶联免疫法;构效分析;
- The understudy was substituted when the leading actor fell ill. 主角演员患病,由替角代替演出。
- Investigation into aerobic biodegradation of substituted phenols by molecular shape indices and electrotopological state indexes 用分子形状指数、电拓扑态指数研究酚类化合物的生物降解性
- A striker was substituted for a midfield player in the last half-hour of play. 在比赛的最后30分钟里,一个中场运动员被一个强攻手替换了下去。
- We substituted a red ball for blue to see if the baby would notice. 我们用红皮球换下了蓝皮球,看这婴儿会不会发觉。
- Home-made parts are being substituted for imported ones. 国产零件取代进口零件。
- Molecular topological research on the PKa values for substituted benzene carbonic acids and substituted phenols, and the PKb values for substituted phenylamines 取代苯甲酸、取代苯酚酸性PKa和取代苯胺碱性PKb的分子拓扑研究