酐

aim: to establish a new reversed phase high performance liquid chromatography method for assay 4 kinds of non protein nitrogen markers of human diabetic nephro pathy, creatine, creatinine, urea and uric acid in dn patients urines.

目的：建立糖尿病患者尿液中与肾病相关的非蛋白氮代谢产物(肌酸、肌酐、尿素和尿酸)的反相高效液相色谱分离分析方法。

Power, formaldehyde, pentaerythritol, stupid anhydride four workshops.

动力、甲醛、季戊四醇、笨酐四个车间。

The purpose of this thesis is just to search a novel synthesis of thiourea, and to use thiourea in dealing with the waste water from the production of phthalic anhydride, and the application of thiourea in solid-state reactions at low heating temperature was also studied.

本论文研究的目的就是寻找一种合成硫脲新的工艺过程，且尝试以合成得到的产物硫脲应用于工业苯酐废水的处理，同时对硫脲在低热固相化学中的应用进行了初步的探索。

This company now has the productivity of 50 thousand ton phthalic anhydride a year, which takes the third place among the same kind of national trade.

随着相关行业的快速发展，市场对苯酐的需求量增长较快。

Phthalic anhydride is an important organic chemical material and it is mainly applied for such fields as plasticizer, alkyd, unsaturated polyester resin, dyestuff and medicine.

苯酐是一种重要的苯有机化工原料，主要应用于增塑剂、醇酸树酯、不饱和聚酯树脂、染料、医药等领域。

This technology replace the price higher phthalic anhydride by PTA waste residue as the raw material to produce unsaturated polyester resin, the cost reduction about 10%.

该技术用PTA废渣为原料代替价格较高的苯酐制备不饱和聚酯树脂，成本降低了10％左右。

For product column T202 top, except that very small amount of benzoic acid and phthalide were contained, the rest was benzene anhydride, the column bottom was heavy component, which can meet the separation requirement.

产品塔T202塔顶除含有极少量苯甲酸、苯酞外，其余均为苯酐，塔底为重组分，满足分离要求。

Objective: Our purpose is to eliminate the negative interference of two factors-hemoglobin and bilirubin on alkaline picric acid performance rate method.

目的：消除血红蛋白和胆红素两种因素对碱性苦味酸速率法测定肌酐的负干扰。

Key words:Creatinine;Sarcosine oxidase;Picric acid methods; Method comparison

关键词］肌酐；肌氨酸氧化酶法；苦味酸法；方法比较

Methods : 60 cases of chronic glomerulonephritis patients with the syndrome of water and heat combined ,were randomly divided into treatment group (30) treated by Compound Polyporus Umbellatus Decoction and control group (30) treated by Polyporus Umbellatus Decoction respectively for 3 months.

材料与方法：临床诊断为慢性肾炎阴虚水热互结证患者60例，作为研究对象，随机分成治疗组、对照组，每组各30例，治疗3个月后观察治疗前后尿蛋白、尿红细胞、血肌酐、血尿素氮、中医证候积分变化及总体疗效分析，用统计学分析两组间各项指标的差异。

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。