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Results show that the yield of HEDTMP is more than 77% when the mole ratio of catalyst HC1 to HEDA [N-(2- hydroxyethyl) ethlenediamine] is more than 3 and methanal to HEDA is more than 6 after the process of reaction at 80?

结果表明，在催化剂HCI与羟乙基乙二胺摩尔比大于3，甲醛与羟乙基乙二胺摩尔比大于6时，80℃反应2h可获得收率大于77％的HEDTMP；经IR、~1H—NMR和元素分析确认合成是成功的。

After sodium bisulfite reacted with methanal at 60-65℃ for 0.5h, aniline was dripped into the system to synthesize phenylaminomethyl-sodium sulfonate subsequently, the diazol solution of p-nitroaniline was dripped into phenylaminomethyl-sodium sulfonate synthesized to form 4'-nitro-4-aminoazobenzene. The compound was then added into diazol solution of p-chloroaniline to obtain the object product, which was identified by IR spectrum and element analysis.

在60~65℃温度下，亚硫酸氢钠与甲醛反应半小时之后滴入苯胺生成苯胺基甲基磺酸钠，另将硝基苯胺重氮化得到重氮盐溶液滴入苯胺基甲基磺酸钠中得到4'-硝基-4-氮基偶氮苯，然后将其滴入氯苯胺重氮化后的重氮盐溶液中，得经红外光谱检验和元素分析证实的目标产物。

The synthesis path of 2-phosphono-butane-1,2,4-tricarboxylic acid is studied by using alkyl phosphate,butendioic acid dialklesters and methyl acrylate with the catalyst of sodium methylate.

论文摘要本文以亚磷酸二甲酯，顺丁烯二酸二甲酯，丙烯酸甲酯为原料，甲醇钠为催化剂，合成了 2-膦酸丁烷-1，2，4-三羧酸并对中间物及产物进行了 IR、13C，31P 核磁，MS 表征。

IR, Quartz Crystal Microbalance, and CV were used to investigated the Vitamin c enriched in polypyrrole film.

在一定条件下又可溶出，溶出过程中获得的电化学响应可用于分析检测。

The physical immobilization behavior of urease on the TiO2 film was investigated by quartz crystal microbalance, FT-IR and UV spectrophotometers.

基于TiO2膜的pH响应，发展了一种廉价的、易于微型化的pH敏尿素酶传感器。

Based on the results of study on the feasibility, microencapsule comprised with SF, alginate and Indomethacin was prepared. Its morphology was observed with Scanning Electronic Microphotograph, its diameter was determined with Laser Diameter Analysis, its fine structure was tested and analyzed by means of X-ray diffraction and IR spectra.

以此为基础，制备了丝素—海藻酸钙—消炎痛微胶囊，利用扫描电镜、激光粒度分析仪测定其形貌、粒径等结构特征，通过X—衍射、红外光谱测定分析其微观结构，并对其药物缓释性能进行了探讨。

Based on the results of studyon the feasibility, microencapsule comprised with SF, alginate and Indomethacin was prepared. Its morphology was observed with Scanning Electronic Microphotograph, its diameter was determined with Laser Diameter Analysis, its fine structure was tested and analyzed by means of X-ray diffraction and IR spectra.

以此为基础，制备了丝素—海藻酸钙—消炎痛微胶囊，利用扫描电镜、激光粒度分析仪测定其形貌、粒径等结构特征，通过X—衍射、红外光谱测定分析其微观结构，并对其药物缓释性能进行了探讨。

In this paper analysis technologies for these failures will be firstly introduced,which includes SEM/EDS,XPS, microsection,t hermal analysis(TGA/DSC/TMA),FT-IR , wetting balance test and so on.

本文首先介绍针对PCB在使用过程中的这些失效的分析技术，包括扫描电镜与能谱、光电子能谱、切片、热分析以及傅立叶红外光谱分析等。

The A ir F orce says it has a serious need for new planes to refuel aircraft in mid-flight.

美军称，他们急需新的加油飞机来为在半途中的飞机加油。

In one mission flight, the Global hawk can proceed extension area radar search and EO/IR photo capturing for 74,000 square kilometers, the minium CEP of the target positioning would be 20 meters.

一次任务飞行中，"全球鹰"既可进行大范围雷达搜索，又可提供7.4万平方千米范围内的光电/红外图像，目标定位的圆误差概率最小可达20米。

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。