查询词典 phenol-phthalein
- 与 phenol-phthalein 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The percentage of Cyanide, phenol, mercury and chromium which have little effect on water quality is small and the variation tendency is slow. The percentage of Ammoniac azote, TP, TN, Cd, potassium permanganate index and fluoride which have much effect on water quality is big and the variation tendency is great. The percentage of DO, BOD5, petrochemical compounds and lead lies in the mean place between two guidelines above, which plays a normal role in contributing to the water quality of Yuehai, but the variation tendency is obvious.
选取了15个参数作为评价因素,其中,氰化物、挥发酚、汞、六价铬等指标的权重较小,对水质变化的总体影响不大,并且年度变化趋势较平缓;氨氮、总磷、总氮、镉、高锰酸盐指数以及氟化物等指标在阅海湿地水质总体评价中所占比重较大,直接影响水道水质;DO、BOD5、石油类、铅等指标的权重介于上述指标的中间。
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The method uses bandicoot to absorb a model in body bowel, UV law and HPLC law determine respectively phenol is red the content with Cape jasmine glucoside.
方法采用大鼠在体肠吸收模型,UV法和HPLC法分别测定酚红和栀子苷的含量。
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The name stems from the basic building block of this class of chemicals, which is the phenol group.
这个名字源于这类化合物的基本构成,也就是酚基。
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At least two separate inhibitory actions on 5-HT3A receptors could be identified for propofol, whereas the enhancing action seen for the two related smaller phenol derivatives could no longer be detected. 5-HT-dependent and 5-HT-independent interactions could be distinguished for all three drugs.
异丙酚被证实对5-HT3A 受体至少有两种相互独立的作用,而在两种相关的较小分子的酚类衍生物中所看到的增强作用则不能被检测到。5-HT 依赖和5-HT 非依赖两种相互作用因为这三种药物而著称。
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The yield of 4-methoxybenzophenone can reach 92%,and the main by-products are 2-methoxybenzophenone and phenol benzoate.
反应的主要副产物为2-甲氧基二苯甲酮和苯甲酸苯酯。
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The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of solvent etc.) on catalytic activity were studied. The principle of the copolymerization was investigated.
研究了催化体系组成(含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、甲醇和酚类化合物作用等)和共聚反应条件(共聚反应的温度与时间、溶剂种类与用量、苯乙烯与一氧化碳量等)对溶液共聚反应的催化活性的影响,探索溶液聚合反应规律。
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The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of dilution reagent etc.) on catalytic activity were studied in detail. Also the optimum copolymerization condition was chosen.
深入考察了催化体系组成(含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、醇类与酚类化合物的作用等)和沉淀共聚反应条件(共聚反应的温度与时间、稀释剂结构与用量、苯乙烯与一氧化碳量等)对该共聚反应的催化活性的影响,优化共聚反应的聚合条件。
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The strain was tolerant to 1.0% bile salt and 0.2% phenol and pH3.5. It has an excellent reserved specialty.
它能耐受1.0%的胆盐和0.2%的苯酚,对pH3.5有较强的抵抗力,且保存性能良好。
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A phenol sulfuric acid method for determination of soluble carbohydrates in seawater bittern was established,and the optimal conditions of this method were studied.
建立了一种海水苦卤中可溶性糖的测定方法。
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It was found that thiocyanate had catalytic effect on the oxidation of phenol red by potassium bromate in phosphoric acid medium.
在磷酸介质中,硫氰酸根对溴酸钾氧化酚红的褪色反应具有较强的催化作用。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。