查询词典 purification

Based on analyzing the generation mechanism and quality characteristics of reclaimed acid from benzol refining and comparing varies kinds of purification methods, the operation easily, the technical process simple extraction method is used to purify the reclaimed acid and the dosage of the extraction agent and extraction power are studied in detail.

对精苯再生酸的生成机理、质量特性进行了分析，通过比较各种再生酸净化方法的优缺点，选用操作简便、工艺简单的再生酸净化方法——萃取法对再生酸进行处理试验，并对萃取剂的用量、萃取能力等进行了详细的研究。

Synthesis technology and purification method and cleaner production of benzophenone by phosgene are studied.

本文系统研究了光气路线生产二苯甲酮的合成技术、纯化方法及相应的清洁生产模式。

There is a good market for betaine,So its synthetic method and purification have captured people's attention.

在介绍甜菜碱市场现状，发展前景及传统生产方法的基础上，重点论述了萃取结晶法生产甜菜碱的原理、特点、萃取剂的选择等，证明萃取结晶法提纯甜菜碱是可行的。

To explore the methods of isolation and purification of human fetal liver stem cells in vitro and analyze the bionomics.

研究人胎肝干细胞体外分离纯化方法，并对其进行初步鉴定及生物学特性分析。

To explore the methods of isolation and purification of human fetal liver stem cells in vitro and analyze the bionomics .

摘要研究人胎肝干细胞体外分离纯化方法，并对其进行初步鉴定及生物学特性分析。

The Biotope converts the remains of an old water purification plant in an ecological mixed use development.

该生物小区将一个古老的水源净化厂改造为一个生态混合开发小区。

This paper introduces the application of Gore membrane in the purification process of raw brine and bittern in salt making.

本文介绍了戈尔膜在制盐生产原卤和老卤净化工艺上的应用情况，针对生产中出现的过滤压力不正常升高，老卤过滤周期不长，以及滤膜使用寿命短的问题，进行了初步分析总结，对存在的问题，提出了以后改进的建议。

Objective To study the treatment effect of continuous blood purification on heat stroke patients complicated with multiple organ dysfunction syndrome.

目的 探讨持续血液净化对热射病合并多器官功能障碍综合征治疗效果。

Isolation and purification of anthocyanins from blood oranges by column chromatography were made, and then the anthocyanins of blood orange were identified.

研究适合分离纯化血橙花色苷的柱层析法，并对血橙中的花色苷进行初步鉴定。

The combination of NKA-9 macroporous resin and Toyopearl TSK HW-40S column chromatography for separation and purification of blood orange anthocyanins is an effective method, and HPLC-ESI/MS analysis is a convenient, rapid and effective method for identification of anthocyanins from blood orange.

NKA-9大孔树脂与Toyopearl TSK HW-40S凝胶柱层析相结合，可以有效分离纯化血橙中花色苷，HPLC-ESI/MS分析可以方便、快捷、有效地为花色苷的鉴定提供依据。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。