查询词典 chlorophenol

Mainly engaged in: Hydrogen-imide hydrochloride, o-chlorophenyl cyclopentanone, 3.4 dimethoxy ethyl benzene, butyn single potassium acid, potassium ethyl malonyl, Ding amide, amide isobutyraldehyde , allyl chloroacetate, isopropyl chloroacetate Benzyl aluminum, cyclopentene, cyanide-o-chlorophenyl, o-methyl chloride, sulfuric acid chloride, p-chlorophenol, imidazole, Pinacolone, one chlorine Pinacolone.

主要经营：盐酸氢亚胺、邻氯苯基环戊酮、3.4二甲氧基苯乙酯、丁炔二酸单钾盐、丙二酸单乙酯钾盐、丁酰胺、异丁酰胺、氯乙酸烯丙酯、氯乙酸苄酯异丙醇铝、环戊烯、邻氯苯氰、邻氯苯甲酯氯、硫酸氯、对氯苯酚、咪唑、频呐酮、一氯频呐酮。

Effects of ratio of p chlorophenol to 2 chloroacetic acid,reaction temperature,reaction time and pH value on the reaction were studied.

对原料配比、反应温度、反应时间和溶液pH值等各种反应条件的影响作了详细研究。

The reaction between HSA and chlorophenol redhas been investigated by means of fluorescence spectrophotometric method.

在人体条件下，用荧光光谱法研究了氯酚红与人血清白蛋白之间的相互作用。

The chlorophenol added in soil could change the soil microbial population structure.

土壤中的氯酚可能会改变微生物种群结构。

Extraction mechanism of chlorophenol for alcohol was also investigated by infrared spectrogram of loaded organic phase.

酚类对醇类稀溶液提供的络合萃取平衡常数与络合剂化学结构存在密切的关系。

Could reduce the negative effect of chlorophenol on culturable bacterial numbers in soil.

接种外来微生物可以减轻土壤中氯酚对土著微生物初期产生的不利影响。

P chlorophenoxyacetic sodium was synthesized by p chlorophenol with 2 chloroacetic acid in the 20% hydroxide sodium aqueous solution.

采用一步法由氯乙酸与对氯苯酚在氢氧化钠质量分数为 0 2的水溶液中的反应制得。

The concentration of chlorine dioxide was determined by spectrophotometry according to the characteristic of decoloration of chlorophenol red with chlorine dioxide.

根据二氧化氯可氧化氯酚红使其褪色的特性，用示差分光光度法测定水中低浓度二氧化氯的含量。

When the molar ratio of 2 chloroacetic acid∶ p chlorophenol is 1.25 and pH=5～7 at 104 ℃ reaction for 20 min in the 20% NaOH solation,the yield of PCPA can be reached 90%.

氯乙酸∶对氯苯酚为 1 2 5 ，质量分数为 0 2的氢氧化钠溶液中，pH值在 5～ 7之间，温度在 10 4℃左右为宜，反应时间为 2 0min ，PCPA收率为 90 3%。

The article studied and analysed the trace chlorophenol and nitrophenol in effluent by high performance liquid Chromatography-mass spectrometry.

对废水中微量氯苯酚、硝基苯酚进行了高效液相色谱质谱法分析研究，建立了一种简单、快速、准确测定废水中苯酚衍生物的实验方法。

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。