碱的

The different substituents on the aryl ketones determined the different base used in the reactions.

芳基酮上的取代基决定了合成中所用碱的类型。

On the basis of these results, the different synthesis methods are evaluated and the mechanisms of basicity generation are clarified. Finally, the development tendency of mesoporous solid bases is proposed.

在此基础上，评价了这些制备方法的优缺点，剖析了碱性位产生机理，并对介孔固体碱的发展前景进行了展望。

To determine the content of Berberine Hydrochloride in Baitouweng Powder and to provide evidence for its quality criteria.

建立中兽药散剂白头翁散中盐酸小檗碱的含量测定方法，为其质量标准的制订提供实验依据。

Objective: To set up a method for determination trigonelline in pumpkin powder by HPLC.

目的：建立高效液相色谱法测定南瓜粉中胡芦巴碱的方法。

Physiology the normal equilibrium between acids and alkalis in the body.

人体内酸和碱的正常平衡。

MethodsSeveral extraction processes were used,such as decocting method,the refluxing method,leakaging method.

目的优选苦参中氧化苦参碱的提取工艺。方法比较多种提取工艺。

A HPLC method for determination of berberine hydrochloride in Qianliean suppositories was established.

建立了HPLC法测定前列安栓中盐酸小檗碱的含量。

General service, nickel alloy material is durable and resists wear and the corrosive action of some dilute acids and alkalies.

Service：一般用途，镍合金材料经久耐用，耐磨损，耐一些稀酸和碱的腐蚀。

The change pattern was more apparent in water decoctions than in ethanol extracts.

水煎煮单药与对药之间变化趋势尤其明显，而小檗碱的变化趋势较蒽醌类成分更明显。

The effects of miosis and IOP lowering of Erycibele alkaloid are all mediated by M3 receptor subtype and its signal transductive mechanism is connected with cyclic nucleotide system.

丁公藤碱的缩瞳和降眼压作用主要通过M3受体介导，其信号转导机制与环核苷酸系统相偶联。

The dynamic variation in content of cndogenous abscisic acid,indoleacetic acid,gibberellinsand isopentenyladenodines of normal juvenilefruit and dropped fruit was measured with enzyme linked immunosorbent assayin the course of physiological fruit drop of 'Shuizhang Longan.

应用酶联免疫法测定了水涨龙眼生理落果期间正常幼果和脱落幼果中内源激素ABA、IAA、GAs及iPAs含量的变化。

Zillions of code examples on the web.

网上数量巨大的代码例程。