查询词典 purification

The toxic compound was traced by lettuce germination test guided fractionation and HPLC purification, and was identified as 3β-formyl usolic acid on the basis of 1H and 13C NMR experiments. It is the first time to find this compound from the order of Myrtaceae

用高效液相色谱对桉树凋落叶中毒性物质进行分离、纯化，以小麦、绿豆、大速生菜为指示植物，对分离到的物质进行毒性跟踪，分离到一个毒性较强的组分，经1H氢谱和NMR鉴定为3–β甲酰基–乌索酸。

Since 1980s, for solving the problems in purification of high sulfur content natural gas, the separation methods based on the physical principle have been developed abroad, and two methods such as low temperature fractional distillation and membrance separation are successful.

八十年代以来，为解决酸气含量很高的天然气净化问题，国外致力于开发利用物理原理进行分离的方法，已取得成功的有低温分馏和膜分离两种方法。

The foam fractionation and purification technique,which are widely used in industry,are introduced in this paper, and the principle of their function are given.

泡沫分离技术作为一种新兴的分离与净化技术，广泛应用于工业领域中。

This experiment, the extract from fresh seaweed polysaccharide reference thermal flooding of alcohol, iodine waste material after the extraction of crude to fucose sulfate polysaccharide extraction, classification after the ethanol precipitation method used for crude and industrial pre-kelp dealing with separation of water purification, and anthrone-sulfuric acid method of its total sugar content.

本实验，采用从鲜海带中提取多糖的热水浸提法对醇、碘提取后的废弃料进行粗品岩藻多糖硫酸酯的提取，后采用乙醇分级沉淀法对粗品和工业海带预处理水进行纯化分离，并用硫酸蒽酮法测定其总含糖量。

Since its inception, has been committed to the development of high-quality fume purification equipment.

公司自成立以来，一直致力发展高品质的油烟净化设备。

Your stomach from eating to gain momentum will spread to your intestines, will be training your body every day purification regularly.

你的胃从吃饭中获得的动力会传到你的肠，将训练你的身体每天定时净化。

Among these systems, the expression level of ZNF191(243—368) was increased in inclusion body system under a higher isopropylthio-β- D -galactoside concentration, but the non-target proteins were also increased more, which made its purification more difficult and the yield lower.

为了能够得到充足的锌指蛋白ZNF191(243-368)来研究其性质、结构和功能间的关系，本文研究了包涵体、谷胱甘肽 S－转移酶和组氨酸标签三个表达体系来表达ZNF191(243-368)。

Immunize BALB/c mice with the produced GAMP-ADH-Pep10 conjugate after purification, determine the serum IgG level against GAMP by indirect ELISA, and analyze the immune suppression induced by carrier protein.

纯化后免疫BALB/c小鼠，用间接ELISA法检测小鼠血清中抗GAMP IgG抗体水平，并分析载体诱导的免疫抑制率。

And gradually formed a dust removal, desulfurization equipment, garbage incinerator exhaust gas purification equipment, pneumatic equipment, ash handling system equipment, such as the three major pattern-based products, and have achieved the production department in charge of issuing permits.

并逐步形成了以除尘、脱硫设备、垃圾焚烧炉尾气净化设备、气力除灰系统设备等三大设备为主的产品格局，并取得了主管部门颁发的生产许可证。

Production Capacity of Gaswork Gas refers to the overall production capacity of the urban gasworks in gas generation, purification and delivery at the end of the reference period, excluding capacity of the reserved facilities.

人工煤气生产能力指报告期末人工煤气生产厂制气、净化、输送等环节的综合生产能力，不包括备用设备能力。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失