查询词典 phenolphthalein

AIM To establish a cathartic colon rat model using rhubarb and phenolphthalein.

目的 应用大黄和酚酞建立一种大鼠泻剂结肠的动物模型。

Any of vari substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between two or more substances by means of a characteristic change, especially in color.

指示剂 任何一种具有下列功能的物质，即能通过自身性质的变化，特别是颜色的变化来表明另一种物质的存在、消失或聚集，或可以表明两种以上的物质相互反应的程度；例如石蕊、酚酞

Chemistry Any of various substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between two or more substances by means of a characteristic change, especially in color.

指示剂：任何一种具有下列功能的物质，即能通过自身性质的变化，特别是颜色的变化来表明另一种物质的存在、消失或聚集，或可以表明两种以上的物质相互反应的程度；例如石蕊、酚酞

The titration of SO(superscript 2- subscript 4) was carried out using the standard solution of NaOH, with the phenolphthalein as an indicator.

考察了沉淀剂用量、溶液酸度、干扰离子及指示剂的选择对测定的影响。

Black's not even on the chart.- Bad phenolphthalein?

试纸上竟然没有黑色-酚酞坏了？

4 Add 6 to 8 drops of the phenolphthalein indicator solution to the bottles and titrate to a pink end point with 0.5 N NaOH solution.

10.1.4 在瓶子里加入6到8滴的酚酞指示剂溶液来作为滴定0.5 mol/l 的NaOH 溶液的指示剂，直到溶液变成粉红色

Phenolphthalein, together with borax,is used to test for saccharide derivatives,e.g.

酚酞与硼砂一起用于检测糖类衍生物，如甘油。

The main products willow green brand phenolphthalein sells well in Europe, beautiful, Southeast Asia etc, Its production process is controlled strictly according to GMP rules.

主产品柳青牌酚酞畅销欧、美、东南亚等国家和地区，其生产过程按照GMP规程严格控制。

METHODS Eighty-four healthy mature Wistar rats were divided into two periods, in which 36 rats for the first period and 48 rats second period, and each period included control group, rhubarb group and phenolphthalein group.

健康成年Wistar大鼠84只，分2期，第1期36只，第2期48只，均分为对照组饲以普通饲料、大黄组饲料中添加有大黄粉和酚酞组饲料中添加酚酞。

Results: The RSD of retention time of the target components was not more than 0.48%, and the limits of detection were within 0.1~0.9 ng. Caffeine, phenolphthalein and sibutramine were detected in 20 of the total 29 samples.

结果：各被测组分保留时间的RSD不超过0.48%(n=7)；最低检测限为0.1~1.9ng；在29批供试样品的20批中检测到咖啡因、酚酞和西布曲明。

Do you know, i need you to come back

你知道吗，我需要你回来

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。