酐

The experimental results show that the molar ratio of carbon monoxide to carbon dioxide in the reacting mixture is frequently equal to unity hence the reaction scheme may be stoichiometrically represented as follows

实验证明：反应气体中一氧化碳与二氧化碳的摩尔比接近于1；苯氧化生成顺酐的反应是并串联反应，各反应级数均为准一级；并求出了各反应的活化能和指前因子。

Disclosed is a polyimide resin having a glass transition temperature of 200-320 DEG C and containing a siloxane diamine residue, a fluorene diamine residue and a specific tetracarboxylic acid dianhydride residue at certain ratios.

本发明提供玻璃化转变温度为200～320℃，以特定比例含有硅氧烷系二胺残基、芴系二胺残基和特定四羧酸二酐残基的聚酰亚胺树脂。

Itis main raw material of tetradecane,others applications include:liquid mosquito-repellent incense,hydraulic oil of large-scale punch,paraffin chloride,anticorrosive paint.powder paint,and top-grade melt adhesive,its derivative is chainpoly-anhydride of 14c binary acid,it is very useful chenical and medical intermediate,it can be used ad curing agent of epoxy and propylene resin,polyester improved additive etc.

外观与性状无色液体，溶解性不溶于水，可混溶于乙醇、乙醚是生产十四碳烷烃的主要原料，其它应用包括：液体蚊香、大型冲压机的液压油、氯化石蜡、防腐涂料、粉末涂料也可用作高档热熔胶，其衍生产品十四碳二元酸的直链聚酐，是一种非常有用的化工及医药中间体，可用于环氧及丙烯树脂固化剂、聚酯改性添加剂等等。

To TMA as raw materials to produce plasticizers Trimellitic Trioctyl acid resin, with heat and cold, anti-aging properties, electric insulation, excellent oil resistance, are widely used PVC plasticizer will enable the heat-resistant PVC cable materials Tatsu 150 , and in -40 low temperature has a good flexibility to increase the cable in the high-low temperature life.

以偏酐为原料生产的增塑剂偏苯三酸三辛脂，具有耐热、耐寒、耐老化等性能，电绝缘性、耐油优良，是用途广泛的PVC增塑剂，可使PVC电缆材料耐热达150℃，并在-40℃低温下具有良好的柔软性，增加电缆在高低温下的使用寿命。

Result:After three weeks treatment, creatinine comes down6%,BUN comes down 11% in 24 hours, albuminuria comes down 41%,cholesterin comes down 27%,tripalmitin comes down 72%.

结果：平均治疗3周血肌酐下降6%，BUN下降11%，24h 蛋白尿下降41%，胆固醇下降27%甘油三酯下降72%。

First, N'-(4-aminophenyl)-N'-4-(5-phenyl-1,3,4-oxadiazol-2-ylphenylbenzene-1,4-diamine was prepared and polymerization was carried out by direct polycondensation with a series of dianhydrides to obtain polyimides containig triphenylamine units in the main chain and 1,3,4-oxadiazole moieties as pendent group.

首先合成新型双胺N'-(4-aminophenyl)-N'-4-(5-phenyl-1，3，4-oxadiazol-2-ylphenylbenzene-1，4-diamine后，与一系的芳香族二酐进聚缩合反应，可制得一系列三苯胺为主链且1，3，4-恶二唑为侧链的聚醯亚胺。

To aim directly at 175 hypertensive patients which have been measured Microalbuminuria, univariant correlation analysis show: age, culture, occupation, smoking, coronary heart disease history, cerebrovascular disease history, microalbuminuria, Postprandial insulin, cholesterol, diastolic blood pressure and so on showed an correlation with MMSE score.

表2 4、对175例测定了尿微量蛋白的高血压病患者的有关临床资料进行单因素分析，结果显示：年龄、文化程度、职业、吸烟史、冠心病史、脑血管病史、尿微量蛋白与肌酐比值、餐后2h胰岛素、胆固醇及舒张压等10个因素在认知功能正常组和认知功能障碍组之间的差异有统计学意义(P＜0.05)。

Results After 24,48,72 and 96 hours of gunshot wound,the plasma level of ALT was significantly increased than that of the unwounded;AST(at 2nd,8th,24th and 48th hour),CK(at 2nd,8th and 24th hour),TG(at 24th,48th,72nd and 96th),BUN(at 2nd,8th and 24th) and DAO(at 8th,24th and 48th) were increased greatly.

1.2 检测指标所有致伤犬均于低温前、低温后即刻和伤后2，8，24，48，72和96小时抽血测丙氨酸转氨酶、天冬氨酸转氨酶、肌酸激酶、甘油三酯、尿素氮、肌酐、内毒素和二胺氧化酶含量，并同时观察生命体征的变化。

Results; The histological change of kidney iNOS was markedly increased in the IR+NS group. The levels of serum creatinine and blood uria nitrogen were significantly upregulated.

应用免疫组织化学方法和图像分析系统检测肾组织中INOS的表达和分布，比较各组血清肌酐、尿素氮，同时观察肾脏组织形态学改变。

Ta explore the relationship among gastric mucosal lesions, helicobacter pylon infection, serum gastrin, blood urea nitrogen and serum creatinine in 101 urinemia patients before renal transplantations patients.

目的 探讨101例肾移植前尿毒症患者胃镜下黏膜病变、Hp感染与血清胃泌素、血尿素氮、肌酐的关系。

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。