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- 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。
- 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 .
- 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;
- 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。
- Monitoring Inhibitory Effect of Substituted Phenol Compounds on Activated Sludge Using Respirometer 用呼吸仪监测取代酚类化合物对活性污泥的抑制
- 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。
- Keywords substituted phenol;bioactivity;autocorrelation topological index;duckweed;Rana Japonica tadpole; 取代苯酚;生物活性;自相关拓扑指数;浮萍;日本长腿蛙蝌蚪;
- The understudy was substituted when the leading actor fell ill. 主角演员患病，由替角代替演出。
- Keywords substituted phenol;Dahnia Magna;acute toxicity;Kier's shape index;quantitative structure-activity relationships（QSAR）; 取代苯酚;大型蚤;急性毒性;分子形状拓扑指数;定量构效关系;
- 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。
- The real rate of removing phenol is more than99.9%. 与常见的塔设备相比具有设备简单、作灵活,维护方便等特点。
- She substituted margarine for butter. 她用人造的奶油代替黄油。
- He substituted as the typist in the office. 他代替做这个办公室的打字员。
