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

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.

Humans are more sensitive to changes in hue ( chrominance ) than changes in brightness ( luminance ).

人类更敏感的变化,色调 ( 色度 ) 比变化的亮度 ( 亮度 ).

The chip for separating luminance chrominance contributes lot to the digitized TV.

亮色分离芯片在当前的数字化电视中起着很重要的作用.

This paper focuses on three key algorithms: skin color correction, contrast enhancement and chrominance transient improvement.

本文详细讨论了肤色矫正 、 对比度扩展和色度瞬态特性改善三种关键的视频画质改善方法.

Color information is also called chrominance.

色彩信息也被称为色度.

Did equilibration take place before or after setting of chromite and silicates?

究竟平衡作用发生在铬铁矿和硅酸盐下沉之前,还是在其后?

Knowledge of the occurrence of chromite deposits is likewise incomplete.

对于铬铁矿矿层产状的了解同样是不完整的.

Temperature rise characteristic of carbon-chromite fines during the process of reaction in microwave field is analyzed.

对含碳铬铁矿粉在微波场中的升温特性作了分析.

The chromite deposits in the Muskox Complex occur only in feldspathic peridotite.

在穆斯科克斯杂岩体中,铬铁矿矿层仅产于长石质橄榄岩中.

Greece has been producing refractory grade chromite ore for more than a hundred years.

希腊生产耐火级铬铁矿石已有百余年历史.

Li-doped lanthanum chromite powders in stoichiometric proportions were prepared by sol-gel process.

采用溶胶 - 凝胶法,按化学配比将锂元素掺入铬酸镧中制得粉末.

Moke, Steam Coal, Lam Coke, Manganese Ore , Chromite Metal Mineral.

采购产品动力煤, 林焦炭, 锰矿, 铬铁矿,非金属矿物.

Manganese Ore , Iron Ore , Molybdenum , Chromite , Non-Metallic Mineral Products.

采购产品锰矿石,矿砂,锄, 铬铁矿, 非金属 的矿物产品.