查询词典 xylenol

First derivative spectrophotometric method for determining of micro samarium in electroplating solution is given,using xylenol orange as color reagent.

提出了利用二甲酚橙为显色剂测定电镀液中微量钞的一阶导数分光光度法。

Methods: Zinc has catalysis ability in the system of oxidze xylenol orange in medium, and the discoloration extent of methyl orange has a linearity to the content of zinc. Based on this fact, a new photometric method for the determination of zinc was proposed.

在H2SO4介质中，微量锌对过氧化氢氧化二甲酚橙的反应体系具有催化作用，且二甲酚橙被氧化后的褪色程度ΔA与微量锌的含量有线性关系，据此建立了二甲酚橙褪色光度法测定微量锌的新方法。

The method of determining EDTMP is studied,The paper analyzes the method of determining EDTMP by the indicating titrimetric method of xylenol orange .

简述了水处理剂EDTMP的测定方法，提出以二甲酚橙为指示剂测定EDTMP的新方法，并与磷钼酸喹啉重量法进行对照比较，证明此法是一种快速、简易、准确可靠的分析方法

Methods The concentrations of LOOH in the sera of 33 healthy subjects and 33 patients with CHD were determined by ferrous oxidation in xylenol orange assay, while those of NO by enzymatic one-step assay with nitrate reductase.

方法分别应用FOX法和硝酸还原酶一步法测定了33名正常人和33名冠心病患者的血清LOOH和NO含量。

The decolorizing effects of fresh MnO_2 on xylenol orange and methylene blue and the main factors influ- encing the decolorizing effects were studied.

研究了新生MnO_2对二甲酚橙和亚甲基蓝的脱色效果，考察了影响脱色效果的主要因素。

The calcium was determined by xylenol orange-CTMAB-absolute ethyl alcohol complexation color in the gelatin.

以二甲酚橙—十六烷基三甲基溴化胺—无水乙醇络合显色体系测定了明胶中的钙。

Xylenol is an important medical intermediate.

3，5-二甲基苯酚是一种重要的医药中间体。

Cresol and xylenol: redish-brown liquid, Phenol series products are poisonous, strongly corrosive and combustible.

苯酚常温下为白色或略有红色的结晶，甲酚和二甲酚为红棕色液体，酚类产品有毒，有极强的腐蚀性，可燃。

LPO level were measured by ferrous oxidation with xylenol orange assay. TAS was determined by using an automated measurement method.

采用FOX-2方法检测三组LPO水平，自动化分析法检测总抗氧化状态。

A new catalytic kinetic spectrophotometric method for the indirect determination of trace sulfide has been studied. The method was based on the inhibition of sulfide on the iron catalyzed oxidation of xylenol orange by hydrogen peroxide in NH3 medium.

在氨水介质中，硫离子可阻抑Fe催化过氧化氢氧化二甲酚橙褪色，并且催化体系和阻抑体系在570nm处吸光度的差值与硫离子浓度呈线性关系，据此建立了阻抑动力学光度法间接测定痕量硫离子的新方法。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。