乙酰化

In the study, N4 -acetyl-sulfamethazine(N4 -ACE-SM2) was synthesized, the determination method of sulfamethazine(SM2) and N4-ACE-SM2 in sturgeon muscle and water were developed, bioconcentration and depuration of SM2 in the sturgeon were completed at last.

本研究合成了磺胺二甲嘧啶(SM_2)的主要代谢产物N~4-乙酰化磺胺二甲嘧啶(N~4-ACE-SM_2)，并建立了SM_2和N~4-ACE-SM_2在鲟鱼肌肉和水中的检测方法，进一步利用流水式鱼类试验，对SM_2在鲟鱼体内的生物富集和生物清除进行了研究。

By treatment with TMSOTf, peracetylated chitobiose,-triose, and -tetraose weretransformed into corresponding oxazolines.

全乙酰化的几丁二糖，三糖和四糖在TMSOTf处理下转变成相应的〓唑啉化合物。

The methodrapidly separates a large amount of different kinds of urushioldiacetates.Because the silver ion is very sensitive to theconfiguration and the degree of unsaturation of the unsaturated bonds,urushiol diacetate were well separated.

本文采用涂渍〓的离心旋转薄层层析法，发挥分离速度快，分离量大，固定相利用率高，分离效果好及〓对双键位置及构型作用灵敏等优点，因而使乙酰化漆酚达到了满意的分离。

Significant processing steps can include: a phase changes involving either the desired molecule or the solvent, inert carrier or vehicle, e.g., dissolution, crystallization, evaporation, sublimation, distillation or absorption; b a phase separation such as filtration or centrifugation; c any chemical change involving the desired molecule, e.g., removal or addition of water of hydration, acetylization, formation of the salt; d an adjustment of the solution containing the molecule such as adjustment of pH or pO2; e a precision measurement of contained or added BPC components, in-process solutions, recycled materials is performed, i.e., weighing, volumetric measuring, optical rotation, spectrophotometric determinations, etc.; and f changes occur in surface area, particle size, or lot uniformity, e.g., milling, agglomeration, blending.

意义较大的步骤可能会包括：a相变化，包括指定分子或溶剂，惰性载体或溶媒，如溶出作用，结晶，蒸发，升华，蒸馏或吸附；b相分离，如过滤或离心；c涉及指定分子的任一化学变化，如结晶水的除去或添加，乙酰化作用，成盐；d包含分子的溶解的调节，如调节pH或pO2；e 含有或添加原料药组分，过程内溶液，回收物料的精密测量，如，称重，体积测量，旋光度，分光光度测定，等和f 表面，粒度，或批一致性的变化，如磨碎，凝块，混合。

Fluorescent labeling acetylate Dil-Ac-LDL method was used to identification.

采用荧光标记乙酰化Dil-Ac-LDL的方法鉴定。

Use fluorescent labeling acetylate Dil-Ac-LDL method to identify the cells.

结果：①成功培养大鼠心肌微血管内皮细胞，用荧光标记乙酰化Dil-Ac-LDL的方法鉴定为微血管内皮细胞。

SAGA is a multifunctional ATP=independent chromatin remodeling complex which is composed of at least 20 proteins. It can acetylate N=terminal lysines of nucleosomal histone H3 and H2B to loose chromatin structure and promote transcription initiation.

SAGA是一个至少由20个蛋白组成的不依赖ATP的多功能染色质重塑复合物，它通过对组蛋白H3和H2B氨基末端赖氨酸乙酰化修饰来松动染色质结构，从而促进基因转录的起始。

The X^2 and logistic regression analyses were used for statistical evaluation of differences in acetylator status.

采用X^2检验和logistic回归分析对乙酰化状态的差异进行统计学分析。

The fast NAT acetylator status, which may result in altered NAT detoxifaction capacity, is associated with preeclampsia.

NAT快乙酰化状态，可能改变NAT的解毒能力，与先兆子痫相关。

Study design: The NAT acetylator status was determined by measuring urinary caffeine metabolites in 134 nonpregnant women with a history of preeclampsia and in 109 control women with uncomplicated pregnancy.

研究设计：通过检测尿咖啡因代谢产物测定NAT的乙酰化状态，检测有先兆子痫史的134例非妊娠妇女和109例无并发症的妊娠对照妇女。

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。