phenolphthalein的例句大全

On the Tearing Instability in Phenolphthalein Polyether Ketone

酞侧基聚芳醚酮的撕裂不稳定性

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A Study on the Tensile Yield Behaviour of Phenolphthalein Polyether Ketone

酞侧基聚芳醚酮拉伸屈服行为的研究

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The tensile yield behaviour of phenolphthalein polyether ketone ( PEK-C) at different temperature and strain rate was studied.

本文研究了酞侧基聚芳醚酮（PEK&C）不同温度与不同形变速率下的拉伸屈服行为。

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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。

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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。

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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

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Some laxative drugs such as magnesium sulfate , Bisatin, phenolphthalein, glycerol etc for common use were introduced.

介绍了几种治疗慢性便秘的药剂,包括:硫酸镁, 比沙啶,酚酞, 甘油,开塞露等.并着重介绍了它们的用法.

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the mixed indicator of thymolphthalein with phenolphthalein was applied as the new indicator for the determination of maleic anhydride.

提出了采用百里酚酞和酚酞混合指示剂作为顺丁烯二酸酐含量测定的新指示剂。

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phenolphthalein : toxic organic dye. it should be handled with the usual precautions.

酚酞：有毒的有染料，像平时一样谨慎处理。

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The transitions of bisphenol A and phenolphthalein oligo -- polysulfones were inves-tigated by DSC.

本工作用示差扫描量热法(DSC)研究了双酚A型和酚 酞 型两种聚砜预聚物的转变.

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Methods A cathartic colon animal modal was established using rhubarb and phenolphthalein in rats.

方法应用大黄和酚酞建立大鼠泻剂结肠模型,采用墨汁推进实验测定大鼠肠道传输功能.

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Methods: Test 1. the phenolphthalein excretion method of mices trachea.

方法: 小鼠气管酚红排泌法、家鸽气管纤毛运动法、小鼠氨水引咳法.

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Acid calibration potassium hydroxide, to phenolphthalein as indicator.

二甲酸氢钾标定, 以酚酞为指示剂.

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The assay of content of acid using phenolphthalein indicator and NaOH as titrant was developed.

提出了以酚酞为指示剂,氢氧化钠为滴定剂测定甲氧胺盐酸盐含量的方法.

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Examples are litmus and phenolphthalein.

例如石蕊和酚酞.

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The causes of producing error results were analyzed at detectingalkaline cell seal characteristics , using phenolphthalein solution.

分析了用酚酞试剂检测碱性电池密封性能产生错误结果的原因.

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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.

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Methyl orange and phenolphthalein are other indicators frequently used by chemists.

甲基橙和酚化学家经常使用的其他指标.

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So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂的测试效果较差。

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Briefly on Colour Changing of Alcoholic Solution when Phenolphthalein Indicater Contacts with Anhydrous Sodium Alcoholate

酚酞指示剂遇无水醇钠醇溶液变色的探讨

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