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At the same time, for the alternatives, another set of devices was also set up according to balanced method. From above two experiments, we got solubility datas of succinic acid, glutaric acid and adipic acid in six solvents of water, ethanol, n-butanol,choloroform, acetone and toluene, of which most were measured for the first time.

由合成法和平衡法实验测定了二酸、戊二酸和己二酸三种溶质在水、乙醇、正醇、氯仿、丙酮、甲苯六种溶剂中的溶解度数据,其中大部分体系和溶解度数据是首次测定。

In result, formic, acetic, methanesulfonic, oxalic, malonic, succinic and glutaric acids were detected notably. Formic, acetic and oxalic acids were the most abundant organic acids, and the sum of their concentrations averagely accounted for 89% of the total detected organic acids and 13% of the total anions, respectively.

结果表明,甲酸、乙酸、甲磺酸、乙二酸、丙二酸、二酸、戊二酸均有不同程度检出,一元有机酸中甲酸和乙酸在每场降水中均有检出;二元有机酸中,乙二酸和二酸检出率很高,其他有机酸检出率较低。

The latter is hydrolyzed in the acidic conditions, then the recovered copolymer of EO and glycidol with multi pending hydroxymethyls is esterified with 2-bromoisobutyrylbromide to produce the ATRP macroinitiator with multi pending bromoisobutyryl groups .

共聚物poly的羟基与2-溴异酰溴进行酯化反应,得到侧链挂有2-溴异酸酯基结构的可以用于原子转移自由基聚合体系的大分子引发剂Poly_

Both star copolymer precursors are hydrolyzed in the acidic conditions, then the corresponding recovered star copolymers of EO and glycidol with multi pending hydroxylmethyls are esterified with 2-bromoisobutyryl bromide to produce the ATRP macroinitiators with multi pending bromoisobutyryl groups . Then the latters initiate the polymerization of styrene to form the corresponding amphiphilic three- and four-arm star PEO-g-PS.

在阴离子共聚EPEE单体和环氧乙烷单体的过程中,通过变换引发剂体系中的醇的结构(由原来的二元醇变成多元醇,如三羟甲基丙烷和季戊四醇),合成了星形结构的共聚物,通过水解反应脱去保护基团后,再与2-溴异酰溴反应,得到链的侧端挂有很多2-溴异酸酯基的星形大分子引发剂,通过ATRP聚合机理引发苯乙烯聚合得到PEO为主链,PS为侧链的星形一接枝共聚物。

FAMILY: Father: Cuba Gooding; brother: Omar Gooding; wife: Sara Kapfer; kids: Spencer and Mason

家庭:父亲:古巴·库,兄弟:奥马尔·库,妻子:萨拉·凯芭弗,孩子:斯班瑟和梅森

Aim To study the relationship between the structures of a series of 4,4-diaryl-3-butenyl derivatives of nipecotic acid and guvacine and their inhibition activity of the γ-aminobutyric aciduptake.

目的研究3-哌啶甲酸和四氢烟酸的4,4-二芳基-3-烯衍生物结构和对γ-氨基酸摄取抑制活性之间的关系。

After repeatedly was defeated Martin still to persist to write, his this kind of manner and impoverished caused him and Ross has the fissure, the Ruth, silk has lost confidence gradually to him, but Martin also caused her to her side upper society people's attack to dislike but is heavyhearted.

在屡次失败后马仍然坚持写作,他的这种态度和贫困使他和罗斯有了裂痕,罗丝渐渐对他丧失了信心,而马对她身边上层人士的攻击也使她反感而忧心忡忡。

After repeatedly was defeated Martin still to persist to write, his this kind of manner and impoverished caused him and Ross has the fissure, the Luo silk has lost confidence gradually to him, but Martin also caused her to her side upper society people's attack to dislike but is heavyhearted....

在屡次失败后马仍然坚持写作,他的这种态度姌贫困使他姌罗斯有了裂痕,罗丝渐渐对他丧失了信心,而马对她身边上层人士的梻击也使她反感而忧心忡忡。

To analyze results through statistical methods, and possess significant difference when P.05(a=0.05). To observe that effect of volume of distilled water on synthesis of hemihydrated gypsum is bigger, and the effect better when distilled water: raw materials as 150ml:100g; whereas effect of Calcium Chloride and sodium Succinate smaller, and the effect better when Calcium Chloride: dehydrated gypsum as 1:2, sodium Succinate as 0.75%.

采用统计学方法进行分析,P<0.05时具显著性差异(a=0.05)结果:在试验中观察到蒸馏水量对半水石膏合成影响较大,当蒸馏水与原料比为150ml:100g时效果较好;而氯化钙及二酸钠影响较小,当氯化钙与二水硫酸钙质量比为1:2,二酸钠为0.75%时效果较好。

SM6 and SM7 of uncrystal were analyzed through GC-MS, the results showedthat SM6 main contained unsaturated fatty aldehyde with fragrance, i.e.-2,4-decadienal(58%), tetradecanoic acid (55.78%), 2-decenal(50%), Phthalic acid isobutylundecyl ester(47%), 2, 4-Decadienal(41%), 2-Undecenal (31%), 2-Methyl-Z,Z-3, 13-octadecadi-enol(18.84%), and SM7 contained saturation alkanes, i.e. 1, 2-Benzenedicarboxylic acid, butyl cyclohexyl ester(23.90%), Triacontane(22.63%),Nonacosane(21.04%), Heptadecane(18.84%), Octacosane(13.58%). Toxicological experiments were done to insure the pigment safety.

并对紫红丝膜菌色素非晶体部分的黄色油状物SM6和紫色粉末物SM7作了GC-MS分析,结果显示SM6中主要为具有香气成分的不饱和脂肪醛,其中含量较高的依次为:-2,4-癸二烯醛(58%)、十四烷酸(55.78%)、2-癸烯醛(50%)、邻苯二甲酸异基十一烷酯(47%)、2,4-癸二烯(41%)、2-十一碳烯醛(31%)、2-甲基-Z,Z-3,13-十八碳二烯酸(18.45%)等;SM7中主要为饱和直链烷烃,其中含量较高的依次为:1,2-苯二羧酸基环己酯(23.90%)、三十烷(22.63%)、二十九烷(21.04%)、十七烷(18.84%)、二十八烷(13.58%)。

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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.

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