You'll typically notice less color while looking at the stone from the top down anyway (appraisers grade by looking at the side), and the metal of the setting further masks the tones.
通常情况下你从戒指上方看钻石时很少会注意到颜色(评估钻石的颜色级别是要看侧面的)，而底座的颜色则进一步掩盖了钻石的本色。
This equipment adopts the titanium nitride metal mixing techs forming ion gold membrane with good abrasion resistance, therefore it fits for various top-grade decorating membrane.
该设备采用氮化钛表面掺金技术，形成离子金膜层，耐磨性非常好，广泛用于各种高档装饰膜层。
The core business of HKS is the recycling of ferrous and non-ferrous scrap to create high grade raw materials for metal producers all over the world.
HKS的核心业务是有色金属和非有色金属废料的回收，世界各地的金属生产商创造高档原料。
The Teknetics T2 is a new high-performance multi-purpose professional grade metal detector.
T2 黄金探测器是新型的高效能的，多用途的专业级别的金属探测器。
The paper reviewed the mechanism, classification, corrosion prevention grade of metal pipelines as well as the corrosion features of the sea water pipeline.
本文阐述了金属材料腐蚀的机理、分类、耐腐蚀等级，以及海水管系腐蚀特点。
The technical key to the dynamic optimization study of the rational mill feed grade of metal mines is the establishment of various mathematical models.
金属矿山合理入选品位动态优化研究的技术关键是建立各种数学模型。
Thecontents of metal impurities in the bismuth products obtain the standards of the analysis reagent and the contents of anions obtain the standard of the grade of chemical purity.
然后再由铋精矿制取铋的化工产品，这些铋品中的金属杂质元素含量都达到分析纯要求，有少量产品阴离子纯度有待提高。
The Charpy impact test of base metal, weld and heat affected zone of X80 grade pipeline steel of certain factory was conducted, and its effective grain was researched.
对某厂x 80高钢级管线钢母材、焊缝、热影响区进行了夏比冲击韧性试验，对其有效晶粒进行了研究。
New anodize grade aluminium (more difficult for machine turning) is tested, so we can have more colors for metal piston system.
铝活塞改变可阳极处理级的铝材(较难车削)，看看可能的部份新颜色。
CBN content of the material of low grade and high content of CBN compared more crisp, but they are used in hardened ferrous metal processing better.
CBN含量低的材质等级和CBN含量高的相比更脆，但它们用于淬硬黑色金属加工更好。
The mass and trace metal element contents in the plant had to be measured in grade estimation of farm enviroment.
植株金属元素含量是农田环境质量评价中的必检项目。
The tailing of Dahongshan iron Concentrator has a high iron grade of 27.92%, representing a serious metal loss.
大红山铁矿选矿厂尾矿铁品位较高，为27.92%，金属损失严重。
Spiral Classifier Machine mainly for metal beneficiation process for the pulp density and particle size on the wet grade, mining operations could also be used in the flow Desliming, dehydration.
螺旋分级机主要用于金属选矿流程中对矿浆进行按密度和粒度的湿式分级，也可用流矿作业中的脱泥、脱水。
There is a great reserve of magnesium chloride in Salt Lake in Qinghai province of China which can provide high grade raw materials for producing magnesium metal.
我国青海盐湖蕴藏着丰富的镁资源，为电解炼镁提供了大量优质的原料。
In addition, the flowsheet structure and the content of heavy metal ions in the slurry have effects on the grade of fluorite concentrates as well.
另外流程结构及矿浆中重金属离子含量对萤石精矿品位也影响较大。
Detail Specification: Fixed low power film resistors - Metal film resistors on high grade ceramic, conformal coated or molded, axial or preformed leads.
详细规范：固定低功率膜电阻- - -高级陶瓷金属膜电阻，敷形涂覆或模塑，轴向或预制引线。
The particle size of grinding circuit is the important factor to the grade of concentrated ore and metal recovery rate.
磨矿分级作业是选矿生产过程中至关重要的环节，磨矿粒度的好坏直接影响到浮选的精矿品位和回收率。
XingWei Hardware Manufactory is a professional manufacturer of various kinds of metal clothes-rack, plastic clothes-rack, high-grade wooden clothes-rack and stainless steel decorative stand series.
广东高要升辉五金制品厂是一家专业生产各种金属衣架、料衣架、级木衣架、锈钢装饰支架系列产品的专业厂家。
For reasons that lead concentrate contains many kinds of metal ores, it is difficult to evaluate its quality grade.
由于铅精矿中含有多种金属矿，给铅精矿质量等级的评价带来很大困难。
This paper presents a practical final-pit optimization algorithm for open-pit metal mines based on a breakeven strip ratio and a block model of ore grade.
给出一个基于经济合理剥采比和品位块状模型的露天金属矿境界优化实用算法。
The chief exports were silk, china, and ironware, together with some kinds of daily used things, and the chief imports were high grade consumer goods, such as rare metal and spice.
其出口商品主要是丝绸、瓷器、铁器等大宗货物，也有各种生活用品；进口货物多为贵金属和香料等高档消费品。
The invention relates to the field of metal metallurgy, in particular to a method for segmented acid-adding and circulating leaching of coarse particles in low-grade nickel oxide ores.
本发明涉及金属冶金领域，特别是指一种对于低品位类氧化镍矿中的粗粒分段加酸循环浸出的方法。
Combining with the current situation of the field investigation, and basing on the second grade border, we assign the polluted area to be the early warning district of soil heavy metal pollution.
结合野外实地调查现状，以二级边界为基础，将污染区域划为土壤重金属污染预警区。
Professional research and development, production, selling the top-grade nc sheet metal processing equipment.
专业研发、生产、销售高档数控板金加工设备。
Received National Grade II Prize of Science and Technology Progress; Certificate and Metal of Science and Technology Achievements. Outstanding Mid-Aged Expert of the Ministry of Public Health.
曾获国家科技进步奖二等奖、科学技术成就奖励证书及奖章等奖励，卫生部有突出贡献的中青年专家。
Received National Grade II Prize of Science and Technology Progress; Certificate and Metal of Science and Technology Achievements. Outstanding Mid-Aged Expert of the Ministry of Public Health.
曾获国家科技进步奖二等奖、科学技术成就奖励证书及奖章等奖励，卫生部有突出贡献的中青年专家。
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