phenolphthalein中文,phenolphthalein的意思,phenolphthalein翻译及用法

2026-03-22 01:51 浏览次数 20

phenolphthalein

英[ˌfi:nɒl'fθæli:n]美['finɒl'θælin]

n. [试剂] 酚酞(一种测试堿性的试剂,可作刺激性泻剂)

phenolphthalein 英语释义

英语释义

  • a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8

phenolphthalein 片语

片语

Alkaline phenolphthalein酚酞堿

Phenolphthalein Tablets酚酞片

Phenolphthalein monophosphate酚酞单磷酸环己胺盐

phenolphthalein acidity酚酞酸度

Phenolphthalein dibutyrate酚酞二丁酸酯

Thymol Phenolphthalein百里香酚酞

Phenolphthalein mo酚酞单磷酸环己胺盐

phenolphthalein glucuronide酚酞葡糖苷酸

phenolphthalein indicator酚酞指示剂

phenolphthalein 例句

英汉例句

  • a kinetic method for the direct determination of co_2 in gaseous phase is proposed, based on fading the phenolphthalein when co_2 dissolves in dilute aqueous solution of naoh.

    本文基于气相中的二氧化碳在稀氢氧化钠-酚酞溶液中的溶解而使酚酞逐渐褪色的动力学行为提出了一种直接测定气相中微量二氧化碳的动力学分析法。

  • methods: a model of cathartic colon was constructed by gastric infusion with rhubarb or phenolphthalein in rats. the transit function of colon was measured by chinese ink expulsion test;

    方法:采用大黄和酚酞建立泻剂结肠大鼠模型,以墨汁推进试验测定其传输功能;

  • shanxi liuqing pharmaceutical co. , ltd is the largest phenolphthalein manufacturing factory in china. produce 1000 tons of phenolphthalein, yellow phenolphthalein is 1000 tons per year.

    山西柳青药业有限公司是中国最大的酚酞产品专业生产厂家,年产酚酞1000吨、黄酚酞1000吨。

  • the solubility parameter of phenolphthalein poly(ether sulfone)(pes-c) was determinated by using turbidity titration method, and estimated by using group contribution method.

    采用浊度滴定法测定和基团贡献法估算了酚酞基聚醚砜的溶解度参数。

  • put cutting onto porcelain and drop liquid of phenolphthalein on it , if the color turn into red , that means there is cement in the cutting.

    把巖屑放到磁盘上,滴酚酞溶液,如果颜色变红,说明巖屑里有水泥。

  • objective to discuss the effect of phenolphthalein in promoting the recovery of intestinal function after hysterectomy.

    目的探讨子宫切除术后酚酞在促进肠功能恢复中的作用。

  • phenolphthalein diphosphate tetrasodium salt hydrate; cas…

    询价酚酞二磷酸四钠水合物;

  • soluble in water, its aqueous solution is strongly alkaline, can phenolphthalein red.

    易溶于水,其水溶液呈强堿性,能使 酚酞变红。

  • acid calibration potassium hydroxide, to phenolphthalein as indicator.

    钾标定,以酚酞为指示剂。

  • objective:to set up a method for the detection of the content of phenolphthalein in phenolphthalein tablets and elimination of the foreign matter fluorane and excipients.

    目的:建立测定酚酞片中酚酞含量的方法,消除杂质荧光母素及辅料的干扰。

  • the performance of the micro chemical reactor was evaluated by the mixing-reaction experiments of sodium hydroxide solution with phenolphthalein solution.

    进行了氢氧化钠溶液和酚酞溶液的混合反应实验,实验证明该化学反应器可以用于微化学反应。

  • phenolphthalein or indicator of such a kind is used as colour indicator.

    本发明还可加入酚酞或酚酞类酸堿指示剂作显色指示。

  • objective to establish an identification method by lc-ms/ms and a quantification method by hplc for phenolphthalein added illegally into the diet food for reducing weight.

    目的建立减肥类保健食品中非法添加酚酞的液质联用鑒别法及高效液相色谱含量测定法。

  • phenolphthalein diphosphate pyridine salt;

    酚酞二磷酸酯吡啶盐;

  • in order to increase reliability using phenolphthalein solution to detect alkaline cell sealing characteristics, the water in the alcohol was decreased, environment humidity were requisite.

    为了提高酚酞溶液检测堿性电池密封性能的可靠性,就必须减少配制酚酞试剂酒精中的含水量,同时也必须降低测试环境湿度。

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