查询词典 xylenol

Methods Ascorbic acid was determined by inhibition kinetic spectrophotometric method, which was based on the inhibition effect of ascorbic acid on the nitrite catalyzed oxidation of xylenol orange by potassium bromate in dilute sulfuric acid medium.

在稀硫酸介质中，利用抗坏血酸对亚硝酸根催化溴酸钾氧化二甲酚橙的阻抑作用，用阻抑动力学光度法测定抗坏血酸。

Gas oil can be used for various agricultural and marine engine. Three mixed cresol and xylenol can be used to manufactuer synthetic fibre, epoxy resin ,pesticide ,human medicine etc. The sphalt whice has been processed can be used to produce various carbon products etc.The market prospect is good.

粗柴油可用于各种农用、船用发动机；三混甲酚、二甲酚可用于生产合成纤维，环氧树脂、农药、人用药等；沥青经处理可用于生产各种碳素制品，产品市场前景广阔。

The liberated EDTA is titrated with zinc standard solution using xylenol orange-CPB as indicator to obtain a sensitive and clear end-point, Interference of ions is also studied.

释放出的EDTA用锌标准液返滴定（XO－CPB为混合指示剂），终点变化相当敏锐。

Insulin buccal spray ; lipid peroxide ; thiobarbituric acid reactive substance assay; ferrous oxidation xylenol arange assay

胰岛素口腔喷雾剂；脂质过氧化物；硫代巴比妥酸反应物法；氧化铁二甲酚橙法

Analytical results showed that the upper clear liquid of pyrolysis oils was mainly consisted of water-soluble substances,such as phenol,cresol,xylenol,sugars,hydantoins,morpholines,pyranones and pyridine derivatives compounds,etc.,while the lower sediment was mainly insoluble or hardly water-soluble substances,such as the big substituent phenolics(the number of substituent carbon atoms of which is greater than or equal to 2),aryl phosphate esters,fatty acid esters and nitrile compounds,and so on.

研究表明，热解油上层清液主要是一些较易溶于水的物质，如苯酚、甲酚、二甲酚、糖类、乙内酰脲类、吗啉类、吡喃酮类和吡啶类化合物等；而下层沉淀则主要为不溶或难溶于水的物质，如大取代基酚类（取代基碳原子数≥2）、磷酸三芳基酯类、脂肪酸酯类和腈类化合物等。

Based on the formation of a multicomponent complex among mercury, portassium iodide , xylenol orange and metallothionein well distributed in pH2.5 buffer solution, a new detection method is established for MTs under the existence of Arabirgum-polyvinyl alcohol-124 as a steady agent.

在pH2.5的缓冲溶液中，非离子表面活性剂聚乙烯醇-124存在下，体系在505nm处共振光散射增强最大，且共振光散射增强的强度与MTs的加入量成线性关系，检出限21.58ng/ml，线性范围0.072~6.3μg/ml，相关系数0.9949，相对标准偏差3.67%~5.61%，平均回收率91.0%(n=6)。

Furthermore, through molecular structural design, we have also synthesized stable dual functional diphenylether polymer intermediates of ABB' types possessing ortho-dicarboxylic at one aromatic ring and diamine groups at another beginning from Xylenol and 1-Chloro-3,4-dinitrobenzene as the raw materials.

中文摘要本研究应用自氧化法与氢化法两反应，成功而有劾地制备出芳香族含酸酐及二胺基之官能基单体，并进一步经由分子结构设计，从3，4-二甲苯酚及1-氯-3，4-二硝基苯为原料，转化合成出安定性高带有羧基与双胺基双官能基之堑新ABB'型二苯醚中间体，并成功地应用此中间体从事自聚合反应，而合成分歧状聚醚亚醯胺高分子。

The synthetic organic chemicals, such as phenol, m cresol, phloroglucinol, phenylamine, 3,5 xylenol, p tertiary butyl phenol, nitrobenzene, tert butanol and chloral were oxidized in supercritical water system.

研究了超临界水氧化系统中合成有机化学品，如酚、间苯三酚、对叔丁基酚、间甲酚、3 ，5-二甲酚、苯胺、硝基苯、叔丁醇、三氯乙醛等的氧化作用。

Keywords Biomarker;Metallothioneins;Resonance light scattering;Alizarin red;Xylenol orange;mercury;Light green SF;cadmium;Graphite Furnace atomic absorption spetrophotometry;environmental risk asse

Article From 南华大学；卫生毒理学硕士论文 2007年度生物标志物；金属硫蛋白；共振光散射；茜素红；二甲酚橙；汞；亮绿SF淡黄；镉；石墨炉原子吸收分光光度法；环境风险评价

Recent method of synthesizing 3,5-xylenol is sulpho alkaline fusion of dimethylbenzene, it is a very complicated procedure with serious pollution and low-pure products.

国内目前生产工艺是间二甲苯的磺化碱熔法，该方法工艺过程复杂、污染严重，并且产品纯度不高。

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。