乙酰

The patients with rheumatoid arthritis with the slow NAT2 acetylator genotypes have been shown to have more side effects than fast acetylator genotypes when taking SASP.

同时也有研究发现慢型乙酰化表型的风湿性关节炎患者在服用SASP后，与快型乙酰化表型患者相比，副反应发生率明显升高。

Objective To establish the quality standard of Alisma plantago-aquatica through comparing systematically the changes of HPLC fingerprint of 23-alisol B and 24-alisol A, and other corresponding components as well.

目的以川泽泻中主要成分23-乙酰泽泻醇B和24-乙酰泽泻醇A为指标成分，并通过HPLC指纹图谱比较，进行质量制定。

The precursor solutions of titanium alkoxide with different amount of AcAc were characterized by DTA to study the chelating process of titanium alkoxide with AcAc.

对含有不同量乙酰丙酮的前驱体溶液做了热重分析，研究了钛酸丁酯与乙酰丙酮的螯合过程。

Aim To establish the method of detecting the Arylamine N-acetyltransferase-1(NAT1) genotype and its distribution of polymorphism,and analyze the correlation between the genotype and the phenotype in a Chinese Hans population.

目的探讨汉族人群中N-乙酰基转移酶1(NAT1)基因多态性的分布特点，以及基因型和表型之间的相关分析，以评价NAT1乙酰化代谢多态性对5氨-基水杨酸等药物疗效的影响。

Rhodamine B, Malachite green, Auramine O, Bismark Brown,Methyl Violet 5BN, Basic Magenta, Acid Orange II, Chrysophenine GX, Direct Fast Black G, Indigo, Sulphur Black, Solvent Red 24, Solvent Red 49, Solvent Brown 41, Solvent Orange 3,Pigment Yellow 154,155, Pigment Red 188,208, Meta-Diethyiaminophenol, M-Amino acetanilide , P-Amino acetanilide, etc.

主要产品：碱性玫瑰精，碱性品绿，碱性嫩黄O，碱性品红，碱性紫5BN，碱性红6DDN，酸性橙II，靛蓝，硫化黑，直接冻黄，直接黑G，溶剂红24，溶剂红49，溶剂棕41，溶剂橙3，溶剂橙62，颜料黄154，155，颜料红188，208，间羟基－N，N－二乙基苯胺，间氨基乙酰苯胺，对氨基乙酰苯胺。

The synthesis of l-(4-acetylaminophenyl)-2-bromo-1-propanone was discussed, and the mechanism and possible factors were analyzed. Hence the routine was determined, in which l-(4-acetylaminophenyl)- 1-propanone was reacted with Bromine dissolved in ethanol, so that the a -bromination can be carried on, resulted in the yield of up to 70.4%.

探讨了1-(4-乙酰胺基苯基)-2-溴代-1-丙酮的合成方法，分析了反应机理和影响因素，确定将1-(4-乙酰氨基苯基)-1-丙酮溶解在乙醇中以溴的乙醇溶液进行α-溴化的合成路线，产率可达70.4％。

In this paper the study on optimizing the esterification of cellulose and some character of CAB(the degree of substitution of cellulose, solubility, the thermal properties and molecular weight) was discussed. The mechanism of the esterification of cellulose in butyric acid/ acetic acid/ butyric anhydride which comprises the creation of the acetic butyric anhydride, acetyl cation and butyryl cation was investigated by the study of the effect of the content of the organic acid and anhydride on the degree of acetyl and butyryl substitution of cellulose.

最后本文根据纤维素在丁酸/乙酸/丁酸酐中的酯化反应中有机酸以及酸酐的添加量对最后产物纤维素醋酸丁酸酯中乙酯或者丁酯取代度的影响，提出纤维素在丁酸/乙酸/丁酸酐中的酯化反应经历一个混和酸酐以及乙酰碳正离子、丁酰碳正离子的生成过程。

Based on the analysis of the crystal structure of TTR-AcCoA complex and the property of its substrate TbL, a single-step mechanism through which TTR catalyses the inactivation of Tabtoxin by transfer an acetyl group to the toxin was proposed.

通过对TTR的序列及结构特征的分析，表明TTR属于GCN5相关的N乙酰基转移酶超家族，并且具有GNAT超家族蛋白中保守存在的组蛋白乙酰基转移酶催化核心。

Accuracy of determination of deacetylation degree of chitosan by two abrupt change conductometric titration was studied, and effects of chitosan solution concentration, viscosity and deacetylation degree on the result of equivalence point were also investigated.

结果表明：壳聚糖样品质量浓度控制在2～6g/L，利用双突跃电位滴定法可以测定壳聚糖的脱乙酰度，不同样品脱乙酰度测定结果RSD小于0.61%(n=3)，该方法具有较高地准确性，可以用于壳聚糖生产和加工过程中的质量控制与检测

The uniform design and PTC are used in the studies on preparation for the chitosan of high deacetylate degree and low viscosity.

利用相转移催化剂与均匀设计法探讨了高脱乙酰度、低粘度壳聚糖的制备方法，找出了最佳工艺条件，在最佳工艺条件下得到了粘度为 2 6.6m Pa· s，脱乙酰度为 99.4 %的壳聚糖

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。