乙炔醇

Calcium carbide production, dissolved acetylene, self-diol, has been acetylenic diol, a hybroxybutyric alcohol, methyl amyl alcohol, without the others methyl diol and other products.

主要生产碳化钙、溶解乙炔、己二醇、己炔二醇、甲基丁炔醇、甲基戊炔醇、不带甲基的己二醇等产品。

A nonlinear regression is adopted to analyze the changes of plasma vitellogenin concentration in crucian carp via the environmental pollutant exposure concentration, and the concentration-response relationship is determined for the single chemical of estradiol (E2), ethynylestradiol (EE2), bisphenol A, 4-tert-octylphenol, and that of the mixed compounds at equipotent concentrations, the mixture being tested using a fixed-ratio design.

通过对鲫鱼血浆卵黄蛋白原含量的相对变化和暴露浓度的非线性回归分析得出17α-乙炔基雌二醇(EE2)、17β-雌二醇(E2)、双酚A、辛基苯酚及其等毒性固定浓度比例混合物产生雌激素效应的剂量－反应关系；应用相加作用数学模型根据单个化合物的数据预测混合物效应。

A gas chromatographic-mass spectrometric method for the simultaneous determination of environmental estrogens (including 4-nonylphenol, bisphenol A,diethylstilbestrol and 17α-ethinylestradiol) and endogenous estrogens (including 17α-estradiol, 17β-estradiol, estriol and estrone) in urine and bed mud is reported.

报道了尿及河底泥中环境雌激素(壬基酚、双酚A、己烯雌酚、17α-乙炔基雌二醇)和内源性雌激素(17α-雌二醇、17β-雌二醇、雌三醇、雌酮)的气相色谱-质谱测定法。

To investigate the pollution levels, occurrence and distribution of estrogens, six estrogens in the surface sediments of Wenyuhe River were analyzed quantitatively by GC/MS following ultrasonicated extraction including diethylstilbestrol, estrone(E1),β-estradiol(E2), 17α-ethynylestradiol(EE2), estriol(E3), and β-estradiol 17-valerate. Six estrogen concentrations ranged from 0.39-36.6ng/g and the mean concentration was 10.2ng/g.

为了调查温榆河沉积物中雌激素物质的污染状况，采用超声萃取、GC/MS法研究了6种常用雌激素（包括己烯雌酚DES、雌酮E1、雌二醇E2、乙炔基雌二醇EE2、雌三醇E3和戊酸雌二醇EV）在北京温榆河上游及干流表层沉积物中的含量水平，并对其分布及来源情况进行了分析。

They have close relationship as the former may provide new ideas and approaches for the later, while the later may be the simulation for the former and gives it helps in degradation products identification and mechanism explanation. It is necessary to choose a suitable system, which has high potential of treating EDs and close relationship to the natural environment, to combine the researches in the two aspects. Our group has been engaged in researches on the photochemical properties and application to water pollution control of different ferric species including Fe -OH complexes, Fe -polycarboxylate complexes, Ferric oxides and Fe -humic acid complexes. Fe -oxalate complexes system has higher efficiency than the other ferric species systems in photooxidation and degradation of organic compounds. This thesis is focused on the photodegradation of nine EDs estradiol (E2), estrone (E1), 17α-ethynyl estradiol (EE2), diethylstilbestrol , bisphenol-A , 4-Nonylphenol , 4-Octylphenol , di-n-butyl phthalate , and di (2-ethylhexyl) phthalate .

因此从处理效率和环境化学意义两方面考虑，结合本课题组在不同铁形态（包括Fe-OH配合物、Fe-多羧酸配合物、Fe氧化物、Fe-腐殖酸配合物等）的光化学特性及其在水污染控制中的应用方面较系统的研究工作基础，本论文选择了四类共9种典型的内分泌干扰物（雌二醇（E2）、雌酮（E1）、17α-乙炔基雌二醇（EE2）己雌酚、双酚A、壬基酚、辛基酚、酞酸二丁酯和酞酸二乙基己基酯），研究了它们在Fe-草酸盐配合物体系中的光降解效果，推测其降解机理，探索环境内分泌干扰物光氧化处理的新体系，同时为预测其在环境中的光降解行为提供了依据。

Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives, namely terpenylacetones, e. g. geranylacetone, farnesylacetone, and phyton under normal pressure in presence of alkali metal hydroxide and organic solvents.

松节油衍生物格萜烯基丙酮，如香叶基丙酮、金合欢基丙酮和植物酮在常压条件，碱金属氢氧化物和有机溶剂存在下可发生乙炔化反应，形成对应的α，β-不饱和炔醇化合物脱氢橙花叔醇、脱氢香叶基芳樟醇和脱氢异植物醇。

In the pH=7.00 phosphate buffer solution, the ethinylestradiol's electrical behavior has been studied in a detailsed way at the MWNT /graphite modified electrode. The results show that: the ethinylestradiol can generate a sensitive oxidation peak at about +0.550V on the MWNT /graphite modified electrode. The oxidative peak curent was linear to diethyl stilbestrol concentration over the range from 1.00×10-6 to 2.00×10-4 mol/L , the linear regression equation was ip= 2.4144+4.55×104cmol/L, the detection limit was 3.00×10-7 mol/L . The oxidation of ethinylestradiol was attributed to adsorption controlling process at MWNT /graphit modified electrode.

在pH=7.00的磷酸盐缓冲溶液中，利用MWNT/石墨修饰电极详细研究了乙炔雌二醇的电化学行为，结果表明：阳极扫描过程中，乙炔雌二醇在+0.550V出现一个灵敏氧化峰，该氧化峰电流与其浓度在1.00×10-6～2.00×10-4 mol/L的浓度范围内有良好的线性关系，线性回归方程为：ip= 4.14+4.55×104c，回归系数为：0.997，检测限为3.00×10-7 mol/L。

Have been investigated for the first time, obtaining poly , copolymers of para-diethynylbenzere with propargyl alcohol , propiolic acid with ethynylbenzene , propiolic acid with para-diethynylbenzene, and propiolic acid with propargyl alcohol.

制得丙炔酸均聚物，以及对二乙炔苯与丙炔醇，丙炔酸与苯乙炔，丙炔酸与对二乙炔苯，丙炔酸与丙炔醇共聚物。

Using 1,4-dibromobenzene,1,3,5-tribromobenzene and 2-methyl-3-butyn-2-ol as starting materials and PdCl2,triphenylphosphine,CuI and KOH as catalysts,1-bromo-4-ethynylbenzene,1,4-diethynylbenzene and 1,3,5-triethynylbenzene were synthesized by Sonogashina coupling reaction and elimination reaction.

以对二溴苯、1，3，5-三溴苯和2-甲基-3-丁炔-2-醇为原料，在PdC l2、PPh3和CuI的催化作用下进行Sonogash ina偶联反应，偶联产物在KOH作用下发生消去反应，分别得到对溴苯乙炔、对二乙炔基苯、1，3，5-三乙炔基苯。

Hengde is a fine chemical industry emergence of new alcohol products manufacturer with production of acetylene from calcium carbide, and then from the production of acetylene alcohol products proprietary production technology, the formation of a calcium carbide factory in four deep-processing industry chain , in Sichuan and even in western China is also unique, so make Hengde company in the market with strong competitive advantages.

恒德公司是精细化工行业异军突起的新兴的炔醇系列产品制造商，拥有从电石生产到乙炔，再由乙炔生产炔醇系列产品的专有生产技术，四个分厂组成一个电石深加工产业链，在四川乃至我国西部也独具特色，因此使恒德公司在市场上具有较强的竞争优势。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐