碱的

Trev. obtained by different extracting methods and investigate the amount of alkaloids and the content of Hup A from different parts of the plants and from different places.

目的 考察蛇足石杉不同产地、不同部位中石杉碱甲和总碱含量；比较不同提取方法对石杉碱甲含量的影响。

Results:Keep the hyoscine butylbromide peak separate from the related substances and determine the limit of the main i mpurity.

结果：丁溴东莨菪碱与其他莨菪碱峰完全分离，从而对主要的杂质氢溴酸东莨菪碱进行了限量检查。

Objective: To develop a RP-HPLC method for determination of three alkaloids in total alkaloids exfracted from Lotus plumule .

中文摘要：目的：建立同时测定莲子心中莲心碱、异莲心碱、甲基莲心碱含量的反相高效液相色谱法。

What evidence do we have that in the helical form of the DNA molecule the base pairs are composed of one purine and one pyrimidine?

我们有什么证据表明在 DNA 分子的螺旋构型中，在每一个碱基对中都含有一个嘌呤碱基和一个嘧啶碱基？

In this paper,the effects of pH,concentration of buffer and triethylamine in mobile phase on chromatographic behavior of oxymatrine,sophoridine and matrine were studied by using ion exchange chromatography and their mechanisms were discussed.

采用离子交换色谱法，以氧化苦参碱、槐定碱、苦参碱3种生物碱为对象，研究了流动相pH、缓冲液浓度及三乙胺加入量等色谱条件对生物碱色谱行为的影响，并探讨了其作用机制。

An acid/base indicator is a weak organic acid or a weak organic base whose undissociated from differs in color form its conjugate base or its conjugate acid form.

酸碱指示剂一般是弱的有机酸或有机碱，其中酸式及其共轭碱式具有不同的颜色，当滴定至等当点时，过量的酸或碱使指示剂得到或失去质子，由碱式变为酸式，引起颜色的变化。

This paper recapitulates the status of zinc-manganese/alkaline-manganese battery industries; analyzes the market zinc-manganese/alkaline-manganese battery and the adjustment of industrial structure; demonstrates the exporting trend of zinc-manganese/alkaline-manganese battery; and presents the strategy for international trade vallum, the increase price of RMB, and the possible drawback decreasing of battery.

综述了锌锰电池/碱锰电池行业发展现状，分析了锌锰电池/碱锰电池市场和产品结构变化。论述了锌锰电池/碱锰电池出口形势，提出了应对国际贸易中技术壁垒、人民币升值和可能会发生出口税收政策变化的对策。

objectiveto investigate the efficacy and safety of amlodipine with berberine in the treatment of mild and moderate hypertensive with arthrolithiasis.methods 26 cases were treated by oral administration of amlodipine 5 mg, berberine 0.3g, meanwhile treated the acute arthrolithiasis by oral administration of colchicine 0.5mg, reated hypertensive with chronic gout by oral administration of allopurinol 100mg.

目的评价氨氯地平联用小檗碱治疗轻、中度老年高血压合并痛风患者的降压疗效。方法选择轻、中度老年高血压患者26例，给予患者口服氨氯地平5mg，1次/d，小檗碱0.3g，3次/d，同时给予急性痛风患者，口服秋水仙碱0.5mg，慢性痛风患者，口服别嘌呤醇100mg。

The caustic was regenerated from the spent caustic in an ethylene plant which adopted precipitation with a oxide of transition metal and causticization.

采用过渡金属氧化物沉淀法和苛化法处理乙烯裂解废碱液得到再生碱液，考察了再生碱液循环使用的可行性。

At present, the company developed sophisticated products: impotence categories: Cialis, Sildenafil, Sildenafil Mesylate, Jinyang alkali, alkali Crepis Vanuatu to That non-, new-yang alkali, Bada then, Acer and that non-weight categories: the new sibutramine, the new Laguna Division him, rimonabant, the new Laguna Division him, the East cloth sibutramine, sibutramine natural home-made raw materials impotence: modulation, and can be used directly in irrigation Capsule Filling natural homemade diet of raw materials: modulation, and can be used directly in irrigation Capsule Filling

目前本公司所开发成熟的产品：壮阳类：西力士，西地那非，甲磺酸西地那非，金阳碱，还阳碱，瓦地那非，新阳碱，巴达那，宏地那非减肥类：新西布曲明，新丽司他，利莫那班，新丽司他，东布曲明，西布曲明

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。