phenolphthalein

美 [ˌfinɑlfˈθeɪlən]

n.  酚酞(一种测试碱性的试剂,可作刺激性泻剂)

化学



双语例句

  1. Preparation and Specific Adsorption Performance of Molecularly Imprinting Polymers for Phenolphthalein
    酚酞分子印迹聚合物的制备及其特异吸附性能
  2. It is pointed out that the PTA purity can be characterized more accurately by the means of hexamethylenetetramine Nsystem than by N, Ndimethyl formamide phenolphthalein system.
    指出采用六次甲基四胺麝香酚酞体系比用二甲基甲酰胺酚酞体系能更准确地表征PTA的纯度。
  3. 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。
  4. Resistance of water glass-activated slag mortars to carbonation was studied by phenolphthalein, XRD and SEM.
    通过酚酞试剂、XRD、SEM分析等方法,对水玻璃激发的碱矿渣水泥砂浆的抗碳化性能进行了研究。
  5. 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。
  6. 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;
  7. 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.
    把岩屑放到磁盘上,滴酚酞溶液,如果颜色变红,说明岩屑里有水泥。
  8. Study on the Interaction between β-Cyclodextrin and Low Molecular Aliphatic Alcohol in Aqueous Solution with Phenolphthalein as Probe
    酚酞作为探针研究水溶液中β-环糊精与低分子脂肪醇的互相作用
  9. Study on the preparation and properties of sulfonated phenolphthalein poly ( ether sulfone) membranes
    磺化酚酞型聚醚砜膜的制备及其阻醇和质子导电性能
  10. Study on synthesis of phenolphthalein epoxy resin
    酚酞环氧树脂的合成研究
  11. The CO 2, H 2S, HCl and SO 2 attack damage of reinforced concrete structure in metallurgical workshop has been investigated by SEM, chemical analysis and phenolphthalein color reaction methods.
    通过酚酞显色反应、化学分析和SEM等综合测试,研究了冶金车间钢混结构遭受CO2,H2S,HCl,SO2等腐蚀性介质的化学侵蚀性破坏。
  12. Characterization and performance of sulfonated phenolphthalein poly ( ether sulfone)/ montmorillonite proton conducting composite membranes
    磺化酚酞型聚醚砜/蒙脱土质子导电复合膜的表征与性能
  13. A series of poly ( cyanoarylether) copolymers containing phenolphthalein segments were successfully synthesized. The structure and thermal property of the copolymers were studied by IR, DSC and TGA.
    合成了一系列酚酞型聚芳醚腈共聚物,并通过IR、DSC和TGA对共聚物的结构及热性能进行了研究,测定了共聚物的溶解性能及力学性能。
  14. Conventionally, acid number is determined by use of phenolphthalein as indicator.
    通常测定酸值时,一般使用酚酞作为指示剂。
  15. A new method for trace Zn ( II) preconcentration and separation was described using microcrys-talline phenolphthalein modified by crystal violet as an adsorbent coupled with the determination by spectrophotometry.
    建立了一种利用修饰有结晶紫(CV+)的微晶酚酞作为固态吸附剂分离富集溶液中痕量Zn(II)的新方法,富集后的Zn(II)含量可直接用光度法测定。
  16. Determination of β-cyclodextrin by modified phenolphthalein spectrophotometric methods
    改进的酚酞分光光度法测定β&环糊精
  17. In addition, the absorption spectrum of phenolphthalein liberated, the effect of urine samples storage in refrigerator and reproducibility of the results were tested aiso.
    此外,对释放酚酞的吸收光谱,尿样品冰箱贮存的影响和方法的重复性进行了实验。
  18. The solubility parameter of phenolphthalein poly ( ether sulfone) is 20.76 J~ 1/ 2mL~-1/ 2, which was of great importance to the study of the solution behavior and application.
    测得酚酞基聚醚砜的溶解度参数为20.76J1/2mL-1/2,这对研究其溶液性质和应用有重要的意义。
  19. The temperature dependence of impact fracture toughness of phenolphthalein polyether ketone ( PEK-C) was studied by using an instrumented impact tester.
    本文用仪器化冲击仪研究了酞侧基聚芳醚酮(PEK-C)的冲击断裂韧性对温度的依赖性。
  20. MS study of cyclic aryl ether ketone oligomers containing phenolphthalein moiety
    含酚酞结构的聚芳醚酮环状齐聚物的激光质谱表征
  21. The Solution Properties of Phenolphthalein Poly ( arylether sulfone)(ⅰ) ── The Solubility Behavior and Determination of M-H Equations
    一种新型含酞侧基聚芳醚砜的稀溶液性质研究(Ⅰ)&溶解行为和M-H方程的测定
  22. Synthesis characterization and thermal property of phenolphthalein PES copolymers
    酚酞型聚芳醚砜共聚物的合成和结构及热性能研究
  23. 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。
  24. Study on phenolphthalein solution to detect the sealing characteristics of alkaline cell
    用酚酞检测碱性电池密封性的探讨
  25. By using the functional relationship between the absorbance of phenolphthalein, a reaction product in the measurement, and its light wavelength, the measurement principle of the magnetic separation enzyme immunoassay analyzer is developed.
    通过试剂测试反应产物酚酞的吸光度与光的波长之间的函数关系,给出了磁分离酶联免疫测试分析仪的测试原理。
  26. Study on the preparation of phenolphthalein using sulfonic acid type cation exchange resin as catalyst
    用磺酸型阳离子交换树脂为催化剂合成酚酞的探讨
  27. 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。
  28. Methods: Refering to literature concerned, combining clinical and external experiment, through heated to urine, added to acetic acid 、 hydrochloric acid and microscope test, the cloudy urine caused by phenolphthalein were distinguished.
    方法:参照有关文献,结合临床和体外实验,对含酚酞的尿液进行加热、加醋酸、氢氧化钠及显微镜检查。
  29. This study is to develop irreversible color-changing materials based on ink-jet printing technology, i.e., potassium iodate/ hexanedioic dihydrazide, cationic starch and phenolphthalein ink systems.
    本论文主要是研究一种基于喷墨打印技术的不可逆变色材料,即由碘酸钾、已二酰肼和阳离子淀粉组成的喷墨墨水体系和酚酞喷墨墨水体系。

英英释义

noun

  1. a laxative used in many preparations under various trade names