水杨酸基

The resultant was hydrogenised to remove protective group of amino group, then the product was reacted with NaNO2 to give diazonium salt, which was conjugated with salicylic acid, hydroxybenzene, N-salicyloyl glycine acid to get azo derivatives of 4-ASA.

本文首先对4-ASA的氨基和羟基进行了选择性保护，通过氢化还原法选择性脱除氨基的保护基，然后将氢化产物制成重氮盐，通过与水杨酸、苯酚和水杨酰甘氨酸发生反应生成4-ASA的偶氮衍生物，最后在碱性条件下水解得到最终产物。

In order to probe into the mechanism of VO2/silica gel catalytic ozonization degrading sulfosalicylic acid, different technological parameters were investigated and changes of catalyst active components were analyzed.

通过对不同工艺参数的考察及催化剂活性组分变化的分析，探讨了VO2／硅胶催化臭氧化降解磺基水杨酸的机理。

The thermal decomposition mechanism and kinetic parameters of the decomposition reaction of CeDNS were investigated by means of TG/DSC and in situ condensed phase thermolysis/FTIR. The kinetic equation of decomposition reaction was obtained.

用TG和DSC以及变温固相原位反应池／傅立叶变换红外光谱联用技术研究了3，5-二硝基水杨酸铈的热分解机理，对主放热反应的DSC峰进行了数学处理，计算得到了动力学参数和动力学方程。

Aqua, Sorbitol, PPG-1 PEG-9 Lauryl glycol ether, Hydrolyzed elastin, Hydrolyzed wheat gluten, Hydrolyzed collagen, Hydrolyzed glycosamino-glycans, Humulus lupulus, Propylene glycol, Triethanolamine, Sodium hydroxide, Carbomer, Maris limus extract, Ostrea extract, Imidazolidinyl urea, Parfum, Benzyl salicylate, Coumarin, Alpha isomethyl ionone, Hexyl cinnamal, Buthylphenylmethylpropionate, Linalol, Methylisothiazolinone, Methylchloroisothiazolinone.

水，山梨醇， PPG 公司- 1聚乙二醇- 9十二烷基醇醚，水解弹性蛋白，水解小麦面筋蛋白，水解胶原蛋白水解粘多糖，多聚糖，啤酒花提取物花，丙二醇，三乙醇胺，氢氧化钠，卡波姆，马里斯提取物，牡蛎提取物，咪唑烷基脲，香水，水杨酸苄酯，香豆素，阿尔法 l 紫罗兰酮，己基肉桂醛，丁苯基甲基丙醛，芳樟醇，甲基异噻唑啉酮，甲基氯异塞唑晽酮。

Under the experimental conditions of polymerization temperature at 25℃, n/n of 1:1, c of 0.03mol/L, the nanocomposite of polyaniline/monmorillonite was prepared by intercalative polymerization.

在聚合温度为25℃，蒙脱土质量含量为苯胺的0.5%，过硫酸铵和苯胺的摩尔比为l：1，掺杂剂磺基水杨酸摩尔浓度为0.03mol/L的实验条件下，运用插层聚合的方法制备出PAn-MMT复合纳米材料。

Using the KMnO4 titration method to detect the catalase activity and the sulfosalicylic acid method to detect the free proline content, the changes of catalase activity and free proline content of plants in Kaili area under air pollution were studied with the representative plants such as Camellia oleifera, Pinus massonina, Cunninghamia lanceolata, Woodwardia japonica and Dicranopteris pedata in Kaili area as research subjects.

方法］以凯里地区的代表性植物（油茶、马尾松、杉树、狗脊蕨和铁芒萁）作为研究对象，采用KMnO4滴定法测定过氧化氢酶的活性，采用磺基水杨酸法测定游离脯氨酸的含量，研究大气污染影响下凯里地区植物过氧化氢酶活性、游离脯氨酸含量的变化情况。

The polysaccharose of mycelium of Grifola umbellate (PPS1) and the polysaccha rose of sclerotium of Grifola umbellate (PPS2) both were extracted by hot water leaching way, which were purified dispoing by Sevage way, determined the polysac charose content by 3,5-dinitro-salicylate way, and comparablly analysed infrared spectrum by Fourier transforming infrared spectrophotometer,which suggest that two kinds of polysaccharose were the similar infrared spectrum.

本试验通过人工液体浅层培养方式成功培养出猪苓菌丝体；经热水浸提法分别提取猪苓菌丝体多糖(PPS1)和猪苓菌核多糖(PPS2)；用Sevage法进行纯化处理；用3，5-二硝基水杨酸法测定其糖含量；用傅里叶变换红外分光光度计对两种多糖进行红外光谱比对分析，结果表明两者红外光谱相似。

Parametric optimization on the activity determination of midgut α-amylase in larvae of Mythimna separata Walker was investigated by screening the 3,5-dinitrosalicylic acid methods with eleven combinations of parameters.

针对粘虫Mythimna separata中肠α-淀粉酶筛选了11种不同参数组合的3，5-二硝基水杨酸活性测定方法，并对其中最适组合的各个参数进行了优化。

This paper introduced a single antioxidant extraction system--5% sulphosalicylic acid which could extract and assay ASA/DHA and GSH/GSSG simultaneously. Through analysis of kinetic curve of DTNB-GR recycling, the suitable time parameter was selected for the measurement GSH/GSSG. This system made the extraction of antioxidant quick and easy, and enhanced the accuracy, reproducibility and comparability for the antioxidant measurement through it compared to original method of extraction and measurement.

文章介绍了在一个单一提取系统—— 5 %磺基水杨酸中同时提取并测定了抗氧化剂 ASA/DHA和 GSH/GSSG，通过 DTNB— GR循环的动力学分析固定了 GSH/GSSG测定的最佳时间参数；通过与原提取和测定方法的比较，此法对于测定抗氧化剂有很好的准确性、重复性和可比性，使抗氧化剂的提取和测定变得简便快速。

The Ni-S deposits obtained from bath containing sulphosalicylic have higher sulphur contents, obvious amorphous textures and much smaller grain sizes than those from the bath without additive.

结果表明，磺基水杨酸在电沉积过程中既促进了晶核的形成，又阻碍了晶粒的长大，导致Ni-S沉积层的晶粒细化、非晶态化程度和硫含量的提高。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。