brown diamond

The tentative experiments of brown diamond samples under HTHP treatment are developed by using the synthetic equipment.

以Nova钻石、GE POL钻石和灰色钻石为例,从钻石晶格缺陷的角度讨论高温高压(HTHP)处理钻石的改色机理;在高温高压处理褐色钻石的研究基础上,利用静压触媒法合成设备,对褐色钻石样品进行高温高压处理的实验探索,并对实验前、后的样品进行红外光谱、激光拉曼光谱特征分析,初步探讨其颜色改变的原因,为今后的实验提供一定的参考。

This paper studies on the chosen polished slab brown diamonds which come fromkimberlite pipe Shengli No.

为了研究其内部特征和褐色成因,将选自山东蒙阴胜利 1 号岩管的褐色金刚石样品加工至生长中心的平行片状。

Through making researches on the relation between the color and the lattice imperfection of brown diamonds from Mengyin, it is helpful to find new color enhancement methods, and to promote the market value of brown diamonds accordingly, which has high economic significance.

彩色金刚石中包括不少褐色金刚石。

Study on Characters of Plastic Deformation in Brown Diamonds from Kimberlite Pipe Shengli No.1, Mengyin County, Shandong Province;

山东蒙阴褐色金刚石的显微塑性变形特征研究

Study on the Relationship between Color and Lattice Imperfection in Brown Diamonds from Mengyin, Shandong Province;

山东蒙阴褐色金刚石的颜色与晶格缺陷关系研究

burnt sienna, ie reddish-brown

赭石（赤褐色颜料）

a garnet ranging in color from yellow to brown.

黄色到褐色的石榴石。

Research on Precision Diamond Cutting of Ferrous Metals;

黑色金属的金刚石精密切削技术研究

A brown or yellowish-brown variety of garnet.

钙铝榴石，桂榴石一种褐色或黄褐色的石榴石

essonite:a brown or yellowish-brown variety of garnet.

"钙铝榴石,桂榴石:一种褐色或黄褐色的石榴石."

The diamond shone with every hue under the sun.

金刚石在阳光下放出五颜六色的光芒。

The Influence of Hydrogen Concentration on the Chromaticity of MPCVD Diamond Films

氢气浓度对MPCVD金刚石膜色度的影响

A form of opaque or dark-colored diamond used for drills.

墨金刚石一种不透明的或深色的钻石，用作钻（头）

a dark golden-brown or reddish-brown horse.

深金褐色或红棕色的马。

A moderate reddish brown to brown.

金棕色，茶褐色，赤褐色一种淡棕色与褐色的中间色彩

an inferior dark diamond used in industry for drilling and polishing.

一种次等的黑色金刚石，工业中用于钻孔和打磨。

The brilliance of diamond is due in part to its large dispersion.

金刚石的光辉异彩，部分是由于它有强烈的色散。

Output of Synthetic Diamond in China Based on Grey Forecasting Model;

基于灰色理论的我国人造金刚石产量的预测

A basic variety of aluminium oride, brown colour, high hardness and great toughness.

刚玉的基本品种，棕褐色，硬度高、性大。

A basic variety of aluminium oride,brown colour,high hardness and great toughness.

刚玉的基本品种，棕褐色，硬度高、韧性大。

Study on the Decolorization Effects of Schizophyllum commune on Congo Red

裂褐菌对刚果红染料的脱色效果研究