查询词典 reagent

Proteins associated with the membrane and the cytosolic portions of the proteome under different copper ion concentrations were differentially labeled with an acid cleavable isotope-coded affinity tag reagent, and the labeled peptides were separated by two-dimensional chromatography and characterized by electrospray ionization-tandem mass spectrometry.

我们分别将在不同铜离子浓度下的细胞质以及细胞内膜中所有蛋白质标识上酸裂性同位素亲和性标识(acid cleavable isotope-coded affinity tag， cICAT)试剂，用二次元管柱层析将所有标识并酵素水解过的片段分离，并且用电洒式串连质谱(electrospray ionization-tandem mass spectrometry， ESI-MS/MS)以及基因体定序资料库决定蛋白质序列。

3 The effects of APS and AstragalosideⅣon synthesis of collagen Measure the Radix Astragali impact on NIH3T3 cells collagenic synthesis of many candies with the hydroxyproline reagent box.

2.3黄芪多糖和黄芪甲苷对胶原合成的影响本实验以NIH3T3为细胞模型，用羟脯氨酸试剂盒测量黄芪多糖对NIH3T3细胞胶原合成作用的影响。

The molar ratio of sulfate ions to carboxylate ions is determined by conductometric titration method and the molecular weight is tested by high performance gel permeation chromatography. The precision of these two methods is also studied. To improve the detection sensitivity, guanidine hydrochloride is used as the best derivation reagent of 911. A systematic research is done on the optimum derivatization condition of 911 and Guanidine hydrochloride. The M /G ratio of 911 has direct relation to its biological activity.

论文首先对911的基本理化性质进行了系统的分析，以电导滴定法和高效凝胶渗透色谱法分别测定了分子中硫酸根羧酸根的比值和911的分子量，并探讨了两种分析方法的精密度。911分子没有紫外吸收，为提高检测灵敏度，本文采用荧光标记法，通过对三种荧光试剂与几种寡糖和多糖衍生效果的综合比较，最终确定了盐酸胍为最佳衍生试剂，并以911为代表详细探讨了衍生化反应的最优条件。911糖链结构与褐藻胶主链结构类似，以甘露糖醛酸和古罗糖醛酸的嵌段形式存在，分子中M/G比值与911的物理化学性质和生物活性有直接关系。

Using SPDP as a heterobifunctional crosslinker, R-PE isolated from Corallina officinalis and sheep anti-rabbit IgG purified by ion exchange chromatography as conjugated reagent, we prepared the phycoerythrin fluorprobes by two-step binding protocol.

以双功能试剂SPDP为交联剂，从珊瑚藻中纯化的R-PE和购买的离子交福建农林人学博1：学位论文2二换纯化的羊抗兔抗体为标记材料，利用两步标记法获得藻红蛋白抡疫荧光探针。

A kind of chemical reagent AH was chosen , the effects of the concentration of AH ,the reaction temperature ,thereaction time and pH on dampproof of leather protein powderwere discussed by means of orthogonal design .

通过正交设计讨论了AH用量、反应温度、反应时间及pH等因素对水解蛋白防潮防粘效果的影响，得到了最佳反应条件。

The effects of catalyst, deaquation reagent, reaction time and the ratio of raw materials on the reaction were examined.

考察了催化剂、带水剂、反应时间、物料比等因素对反应的影响。

The orthogonal experimental result showed that the optimum reaction conditions were as follows: citric acid 7.7 g, isoamyl alcohol 21.7 mL(the molar ratio of citric acid to isoamyl alcohol, 1:5); 1.0 g (4% of the total weight of raw material) NaHSO4H2O as catalyst; 25 mL dimethyl benzene as deaquation reagent; microwave irradiation time 15 mm; the yield of product was 83.2%(the rate of esterification was 95.1%).

通过正交实验，得到最佳的工艺条件如下：柠檬酸7.7g，异戊醇21.7mL（酸醇摩尔比为1：5）；一水合硫酸氢钠作催化剂，用量为1.0 g（为原料总质量的4%）；带水剂为二甲苯，用量为25mL；微波辐射时间为15min。

Sodium Pyrophosphate, Decahydrate, Reagent

Grade 焦磷酸钠，十水化物，试剂级 100 g

The photodegradation of pharmacy-waste water has been studied. The photocatalyst is TiO2 immobilized on glass reactor. Fenton reagent has been used. The decolour rate and decrease of COD.

以TiO2为催化剂，并将其制膜固定在玻璃质光反应器内壁上，以9W低压汞灯为光源，引入Fenton试剂，对武汉市某制药厂的制药废水进行了处理实验。

The factors affecting preparation of TiO 2/SiO 2 and degradative properties, such as condition of preparation of reagent, were discussed.

用扫描电镜，红外光谱对所制样品进行了检测，讨论了制备条件，试剂用量等因素对 Ti O2 Si O2 制备及降解性能的影响。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。