The radioactive level of natural stone,corrent state of controllment by kinds and the impact on health are introduced in the paper.
简介了我国天然石材产品中放射水平、分类控制使用的现状以及应用天然石材装饰室内所致辐射对人体健康产生的不良影响 ,提出了加强对天然石材产品使用过程中的监督、监测和管理的建议。
The Causes and Resolution of Natural Stone s Problems in Ground Decoration;
天然石材在地面装饰中出现常见问题的成因及解决方法
Terms for natural facing stone
GB/T13890-1992天然饰面石材术语
Study on Improving Activity of Natural Anhydrite and Making Cementation;
天然硬石膏活性激发及胶结材的制备
The chemical industry depends very heavily on petroleum, natural gas, and natural gas liquids as sources of raw materials.
化学工业的原料材料来源严重依赖石油、天然气和液态天然气。
Test methods for natural facing stones--Test method for abrasion resistance
GB/T9966.4-1988天然饰面石材试验方法耐磨性试验方法
Test methods for natural facing stones--Test method for acid resistance
GB/T9966.6-1988天然饰面石材试验方法耐酸性试验方法
Two kinds of carbon materials, i. e. amorphous carbon and natural graphite, were included.
炭材料包括无定形炭和改性天然石墨两种.
A Study on the Improvment of Natural Graphite as the Lithium-Ion Battery Anode Materials;
锂离子电池负极材料-天然石墨改性研究
Discussion on Purchase of Steel Pipes for Oil and Gas Pipeline Project;
石油天然气管道工程管材采购方式探讨
Asphalt-coating natural graphite as an anode material for Li-ion batteries
包覆天然石墨作锂离子电池负极材料的研究
Suitable for grinding and polishing marble, granite, natural and artificial stone, concrete, tile etc.
用于大理石、花岗岩、天然和人造石材、混凝土和瓷砖等的打磨和抛光。
Test methods for natural facing stones--Test method for flexural strength
GB/T9966.2-1988天然饰面石材试验方法弯曲强度试验方法
Test methods for natural facing stones--Test method for specular gloss
GB/T9966.5-1988天然饰面石材试验方法镜面光泽度试验方法
Discusses the of natural tourmaline material &technology used in air filtration field.
讨论天然电气石负离子材料与技术在空气过滤领域的应用前景。
Experimental Study on the Biological Characteristics of the Nature Hydroxyaptite/Chitosan;
天然羟基磷灰石/壳聚糖复合材料生物学特性的实验研究
The Experimental Study on the Repair of Bone Defects with Natural Hydroxyapatite/chitosan Composite;
天然羟基磷灰石/壳聚糖复合材料修复骨缺损的实验研究
Study on Surface-modified Spheroidized Natural Graphite as Cathode Materials in Lithium Ion Batteries;
球型天然石墨表面改性用于锂离子电池负极材料的研究
Modifications of Natural Graphite Used for Lithium ion Batteries;
天然石墨的改性及其用作锂离子电池负极材料的研究