查询词典 p-phthalic acid

A new method for synthesizing rosin allyl alcohol ester was studied. p-Toluenesulfonic acid allyl alcohol ester was first synthesized by O-acylation of allyl alcohol with p-toluene sulfonyl chloride, using NaOH as catalyst. Then rosin allyl alcohol ester was synthesized from sodium resinate and p-toluenesulfonic acid allyl alcohol ester.

探索了一种两步合成松香烯丙醇酯的新方法，即先以烯丙醇和时甲苯磺酰氯为原料，以NaOH为催化剂，通过O-酰化反应合成中间体对甲笨磺酸烯丙醇酯，再与松香钠皂发生亲核取代反应合成目标产物松香烯丙醇酯。

Insulin secretin response to glucose challenge in vitro showed the mean value of insulin in the low-glucose medium was 39.74±2.73mM, while that of high-glucose medium was 128.94±8.72mM, the SI was 3.25±0.26, that means the islets functioned well. The releasing insulin levels of the nine groups responding to 16.7mM glucose at the end of 24h and 48h: At the end of the first 24h, the controlssecretion were similar in two phases, while the G group has increasing tendency;As for oleate groups, the base secretion have no difference,while the stimulated secretion was descending;As palmic acid as concerned,both base and sitimulated secretion was descending(p＜0.01) accompany with the elevated glucose.

在培养48h后油酸组刺激后时相分泌量减少(p＜0.05)；软脂酸组两时向差别显著(p＜0.01)各组细胞在16.7mM葡萄糖刺激5min时的胰岛素mRNA表达：在培养24h及48h后，葡萄糖对照组胰岛素mRNA表达组间无明显差别(p＞0.05)；油酸组培养24h胰岛素mRNA表达组间无明显差别(p＞0.05)，培养48h后mRNA表达组间比较存在统计学差异(p＜0.05)；软脂酸组培养24h时胰岛素mRNA表达量下降(p＜0.05)，培养48h后胰岛素mRNA表达量下降明显(p＜0.01)。

Results: Elevated levels of unconjugated bilirubin(P.01)and Ga2+(P.05),decreased levels of total bile acid(P.01)and cholesterol(P.01)were found.

结果：乙肝病毒感染患者胆囊胆汁的非结合性胆红素、钙离子明显高于对照组（P.01，P.05），总胆汁酸、胆固醇明显低于对照组（P.01）。

B. Each kind of nucleic acid is composed of three parts: Molecular azotic basic group + member pentose + molecular phosphoric acid radical, DNA is by C, H, O, N, the P five kind of elemental compositions. c. The nucleic acid azotic basic group may divide into four kinds: Guanine, thymine, adenine, cytosine d.

b。 每一种核酸由三个部分所组成：一分子含氮碱基+一分子五碳糖+一分子磷酸根，DNA都是由C、H、O、N、P五种元素组成的。

Amino-6-nitrobenzodifuroxan was prepared through a three-step reaction from starting material 3, 5-dinitrobenzoic acid:(1)3, 5-dinitroaniline (1) was synthesized from the reaction of DNBA and hydrazoic acid in inert solvent 1, 2-dichioroethane through Schmidt rearrangement with yield of 89.6%;(2) 1 was subjected to nitration to prepare pentanitroaniline (2) with yield of 51.1%;(3) The title compound was prepared from 2 and sodium azide in acetic acid through denitrogenation and then Schmidt rearrangement with yield of 86.8%, m.p.204℃～206℃.

以3，5-二硝基苯甲酸为原料经过3步反应合成了7-氨基6-硝基苯并二氧化吠咱：第1步反应，在二氯乙烷惰性溶剂中，DNBA与叠氮酸反应并发生Schmidt重排反应生成3，5-二硝基苯胺(1)，产率89.6%；第2步反应，1在含100%硫酸的硝硫混酸中硝化生成五硝基苯胺(2)，产率51.1%；第3步反应，2与叠氮酸反应，不经分离直接进行热解脱氮、Schmidt重排反应，得到目标化合物， m.p.204℃~ 206℃，产率86.8%。

Armigera larvae. For the larve under the 750μl/L CO2, their free fatty acid, SOD, TChE and AMS significantly increased, whereas their protein, total amino acid and GSHPX significant decreased.

与对照比较，750μl/L CO2饲养下棉铃虫幼虫体内蛋白质和总氨基酸含量分别下降了14.16%(p.01)和28.40%(p.01)；超氧化物歧化酶、乙酰胆碱酯酶和淀粉酶的活性分别增加了26.43%、9.12%和40.17%，而谷胱甘肽过氧化物酶的活性则下降了20.25%(p.01)。

The results show high selectivity when the temperature is controlled at 50 CC , and the nitrated reaction time is 90 mm, toluene is nitrated by using 95% nitric acid as nitrating reagent at the presence of acetic anhydride, 1.0g silicotungstic acid catalyst is calcinated at 300℃ for 1.5h. The o/p (ratio of ortho to paro isomer of toluene nitration) ratio is 0.89 in product distribution of toluene nitration, lower than 1.67 using sulfonitric acid as catalyst. The yield of products is 91.6%.

结果表明，在醋酐存在条件下，以CCl4为溶剂，以质量分数为95%的硝酸为硝化剂，反应温度控制在50℃，反应60 min， 1.0g经300℃焙烧1.5h后的硅钨酸催化剂，对甲苯表现出强的区城选择性，甲苯硝化产物o/p值（甲苯硝化产物邻位和对位异构体的质量比）达0.89，较硝硫混酸的1.67显著降低，产物收率达到91.6%。

Methods: Randomly subgrouping the rat into normal group, model group, paishi granule up, and Yiqi Huoxue Paishi decoction group, except the normal and model group, rats in other groups were all intragastrically administrated with 1.25% Ethylene Alcohol plus 1% ammonia chloride, then to observe the Ca(superscript 2+), Mg(superscript 2+), P(superscript 3+), uric acid of the blood serum and urine, the ethanedioic acid in renal tissue.

随机将大鼠分为正常组、模型组、排石冲剂对照组和益气活血排石饮组，除正常对照组外，以1.25%乙二醇合1%氯化铵灌胃制作大鼠草酸钙肾结石模型，观察各组大鼠血清Ca(上标 2+)、Mg(上标 2+)、P(上标 3+)、尿酸及肾组织草酸以及尿Ca(上标 2+)、Mg(上标 2+)、P(上标 3+)、与尿尿酸的含量。

The adsorption experiments show that the adsorption of pure heavy metal and hexanoic acid by clay increases with an increase of pH and that of humic acid by clay decreases with pH increase.

结果表明：粘土对纯重金属的吸附随着溶液 p H值升高而增强；对己酸的吸附随着溶液 p H值升高而增强，对腐殖酸的吸附随着溶液 p H值升高而减弱。

Objective: To investigate the effects of Yiqi Huoxue Paishi decoction in influencing Ca(superscript 2+), Mg(superscript 2+), P(superscript 3+), uric acid of the blood serum and the urine, and the ethanedioic acid in the renal tissue.

目的：探讨益气活血排石饮对肾结石大鼠血清Ca(上标 2+)、Mg(上标 2+)、P(上标 3+)、尿酸及肾组织草酸以及尿Ca(上标 2+)、Mg(上标 2+)、P(上标 3+)与尿尿酸含量的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。