phthalic acid的例句大全

research on four phthalic acid esters 'biodegradation and the strains' growth characteristics

邻苯二甲酸酯生物降解性研究4种邻苯二甲酸酯的降解及其降解菌株生长特性的研究

determination of three phthalic acid esters in aquatic products

水产品中3种邻苯二甲酸酯类物质的测定

photodegradation of phthalic acid esters by uv/ tio_2 thin film system

UV/TiO2薄膜体系光降解酞酸酯研究

study on the phthalic acid esters ( paes) blank test of soil

土壤中邻苯二甲酸酯类检测空白研究

distribution characteristics of phthalic acid esters in underground rivers of chongqing typical karst areas

重庆典型岩溶区地下河水体PAEs分布特征研究

determination of phthalic acid in toluic acid by single-sweep oscillopolarography

单扫描示波极谱法测定邻甲基苯甲酸中的邻苯二甲酸

Impact of Phthalic Acid Easters on Diversity of Microbial Community in Soil

邻苯二甲酸酯对土壤微生物群落多样性的影响

A nitrofluorescein compound was obtained from 4-nitro phthalic acid and resorcinol a yield of 85.

以 4- 硝基邻苯二甲酸、间苯二酚、氯化锌为原料合成硝基荧光素,收率为85.

Alkyd resin: Thermosetting resin, obtained as reaction product from glycerol and phthalic acid.

醇酸树脂: 热固性树脂.是丙三醇(甘油)和笨二酸(酞酸)起化学反应的产品.

The distribution of phthalic acid esters ( PAEs) in Platanus hispanica leaf and its appendicle collected at several streets in Yangpu district, Shanghai city was analyzed.

采集上海市杨浦区部分交通道路两侧行道树悬铃木叶片样品，对邻苯二甲酸酯（PAEs）的分布特征进行分析。

Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of o-phthalic acid, n-butyl alcohol and sodium hydrogen sulfate 1:2. 6:0. 22, the reaction time 1. 5 h, and the yield up to 94.24%.

实验结果表明：酯化反应的优化条件为邻苯二甲酸、正丁醇、硫酸氢钠物质的量比为1：2.6：0.22，反应时间1.5h。产率可达94.24%。

Objective To find out the level of phthalic acid esters ( PAEs) pollution of vegetables, fruits, and dried food in the market.

目的了解市售蔬菜水果及干货食品中酞酸酯的污染状况。

Phthalic acid ester ( PAEs) is a important compounds of Environmental Estrogens, which will lead physical deformities, endocrinopathy, reproductive harm such as system lesions.

邻苯二甲酸酯类（PAEs）是环境激素类物质中的一类重要化合物，具有致人体肢体畸形、内分泌失调、生殖系统病变等危害。

model analysis of capillary gas chromatographic detection condition for phthalic acid esters

邻苯二甲酸酯气相色谱检测条件的建模研究

study on phthalic acid esters of environmental hormone in water in beijing area

北京地区水中邻苯二甲酸酯类环境激素的研究

statistic analysis on distribution of phthalic acid esters in plastic packages

塑料包装物中邻苯二甲酸酯的分布统计分析

Cetyl phthalate was prepared from phthalic anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst.

以苯酐与十六醇为原料，选用非酸催化剂，在实验室合成了增塑剂邻苯二甲酸双十六烷基酯。

Methods Chloroacetic acid was treated with thionyl chloride, amines and triphenylphosphine to provide quaternary phosphonium salts, which were treated with phthalic anhydride to get the target compounds by the Wittig reaction. The pure products were obtained by silica gel column chromatography.

方法以氯乙酸为起始原料，依次与氯化亚砜、胺、三苯膦反应制得季磷盐，再与邻苯二甲酸酐经Wittig反应制得目标化合物，硅胶柱色谱得纯品。

Kinetic studies on the polyesterification of ethylene glycol with maleic acid and phthalic anhydride

乙二醇与顺丁烯二酸及邻苯二甲酸酐聚酯化反应动力学的研究

Effect of molecular weight of poly ( amic acid) end-capped with phthalic anhydride on the rate of imidization

聚酰胺酸相对分子质量对亚胺化速率的影响