A method for determination of organochlorine pesticide residues in food by gas chromatography was established.

The application and improvement of Thin Layer Chromatography ( TLC ) methods in synthesis of dyes were introduced.

本文介绍了薄层色谱 ( TLC ) 在染料合成中的应用和改进方法.

A new method for the determination of acid in liquorice extract by ion chromatography was established.

建立了用离子色谱测定甘草提取物中残留草酸含量的新方法.

A method was developed for the determination of sodium monofluoroacetate in human blood by ion chromatography.

建立了离子色谱法测定血液样品中灭鼠剂氟乙酸钠的方法.

The relations between gas chromatography retention of 23 organophosphorus pesticides and their chemical structure were studied.

对23种有机磷农药的气相色谱相对保留值与其化学结构的关系进行了探讨.

A method for the purification of solanesol by preparative liquid chromatography was proposed.

比较了茄尼醇提取物粗提纯方法;采用液相制备色谱法进行粗提纯.

Thermogravimetric analysis and gas chromatography are applied to study the typical components of medical waste.

分别用热重法和气相色谱法对医疗垃圾典型组分的热解和气化进行了研究.

High speed countercurrent chromatography ( HSCCC ) was successfully used for the separation and preparation of isomeric compounds.

应用高速逆流色谱法对同分异构体.分离纯化进行研究.

Ion chromatography method is one of traditional methods for analyzing smoke gases in the fire.

离子色谱法是分析火灾烟气成分的主要分析方法之一.

The quality control method includes thin layer chromatography material identification and weight process for content measurement.

该方法采用薄层色谱法进行鉴别,采用重量法进行含量测定.

The purity of dimethyl disulfide was determined by capillary gas chromatography.

应用毛细管气相色谱法测定二甲基二硫的纯度.

The quantitative determination of inosine and inosinic acid was conducted by High Performance Liquid Chromatography ( HPLC ) .

采用 高效液相色谱 对风味酱中的肌苷、肌苷酸进行定量分析.

The factors affecting the separation of metal chelate interaction chromatography also were studied.

另外还对影响螯合色谱分离的因素进行了初步的探讨.

Methods: The constituents were separated and purified by column chromatography normal phase silica gel and polyamide.

方法用色谱法分离化合物,根据理化性质和光谱数据鉴定结构.

It and fine art painting chromatology similar to that of primary colors.

它与美术绘画色彩教上的不一原色相近似.

Five recovery methods of chromium from chromed residues are stated in this paper.

本文概述了国内外目前从含铬下脚料中回收铬的方法:碱法、酸法、氧化法、焚烧法.

Hard-chromed piston rod with micro-grooves , increasing the rigidity and reducing friction, keep better lubrication action.

活塞杆微裂纹镀硬铬, 增因硬度减少磨擦, 保持油膜润滑效果值.

Chromeplating lithium is mainly used for chromic acid and acid.

镀铬用的电解液次给是铬酸酐和硫酸.

A process of Cr electroplating at room temperature with low chromic anhydride content was proposed.

提出了一种常温低浓度镀铬工艺.

Preparation of ultrafine chromic particles by hydrothermal reduction and size control was investigated.

研究了水热还原法制备超细氧化铬的工艺过程及其粒径调控.

A special form of oscilloscope for looking at the chrominance components of composite video systems.

用于检查复合视频系统中彩色信号分量的一种专用示波器.