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rocks    
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    Research on Fine Ceramics from Juon Ying Rocks with Redluction Firing in Low Temperature
    还原焰烧制绢英质低温细瓷的研制
短句来源
    Determination of Trace Zirconium in Rocks and Minerals by Flow Injection-Differential Kinetic Spectrophotometry
    流动注射-速差动力学研究──分光光度法测定矿中痕量锆
短句来源
    AC OSCILLOPOLAROGRAPHIC TITRATION OF THORIUM IN ROCKS AND MINERALS
    交流示波极谱滴定法测定矿中的钍
短句来源
    Action Mechanism of a New Kind Raw Material-Juan Ying Rocks in Ceramics Production
    新型陶瓷原料——绢英在生产中的作用机理
短句来源
    This method has been usedto determine aluminium and iron in rocks with satisfac-tory results.
    方法用于矿样品中铝、铁的测定,结果满意。
短句来源
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  岩石
    DETERMINATION OF  ̄(88)Y IN NEUTRON ACTIVATED ROCKS──APPLICATION OF SIMPLEX OPTIMIZATION IN SPECTROPHOTOMETRIC ANALYSIS
    中子活化岩石样品中~(88)Y含量的测定─—单纯形优化比色条件的应用
短句来源
    SPECTROPHOTOMETRIC DETERMINATION OF MICROAMOUNTS OF URANIUM IN ROCKS WITH DMPAQ
    DMPAQ分光光度法测定岩石中微量铀
短句来源
    THE APPLICATION OF NATVRAL ROCKS IN CERAMICS INDUSTRY
    天然岩石在陶瓷工业中的应用
短句来源
    Expansion Behavior of Two Kinds of Typical Alkali Reactive Rocks Specimen in Alkaline Solutions
    两类典型碱活性岩石试体在碱溶液中的膨胀行为
短句来源
    In view of the fact that in our country abound with natural resources of alkali-metaloxides containing minerals and rocks, mineral waste of mining and metallurgical indu-stries etc, the perspective of the enlargement of structure of raw materials in glass in-dustry has been discussed.
    基于我国天然含碱矿物岩石资源、矿冶工业尾砂等十分丰富,本文讨论了扩展玻璃工业原料结构的前景。
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  岩石的
    Iron minerals are the main constituent of waters, soils, sediments and rocks in nature.
    铁矿物是环境水体、土壤、沉积物和岩石的主要组分。
短句来源
    In this paper,the characteristics and differences between ASR and ACR were discussed in detail from expansive process,mechanism and the structural characteristics of rocks.
    文章着重从膨胀过程和机理以及岩石的结构特征探讨二者的特性与差异。
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  rocks
Snow Cocks also favor roosting in areas with low vegetation, sparse grass, short grass, large rocks and close to houses.
      
The Zhongpu Group is distributed in the Shihuigou area and composed of medium-basic volcanic rocks and volcanic clastic rocks interspersed with cherts, limestones, slates, and metamorphic sandstones.
      
The geochemistry of chert from the Zhongpu Group reveals that all cherts coexisting with island-arc volcanic rocks formed in a continental margin basin environment.
      
The geochemical characteristics of intermediate-basic igneous rocks indicate that they belong to a tholeiite suite.
      
Elemental and Sm-Nd isotopic geochemistry on detrital sedimentary rocks in the Ganzi-Songpan block and Longmen Mountains
      
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In view of the fact that in our country abound with natural resources of alkali-metaloxides containing minerals and rocks, mineral waste of mining and metallurgical indu-stries etc, the perspective of the enlargement of structure of raw materials in glass in-dustry has been discussed. It is suggested that, according to the characteristics of chemi-cal compositions of natural alkali-metal oxides containing mineral materials, it will beconvenient to transform partially the traditionally applied Na_2O-CaO-SiO_2...

In view of the fact that in our country abound with natural resources of alkali-metaloxides containing minerals and rocks, mineral waste of mining and metallurgical indu-stries etc, the perspective of the enlargement of structure of raw materials in glass in-dustry has been discussed. It is suggested that, according to the characteristics of chemi-cal compositions of natural alkali-metal oxides containing mineral materials, it will beconvenient to transform partially the traditionally applied Na_2O-CaO-SiO_2 system in glassindustry into Na_2O-Al_2O_3-SiO_2 system. Some problems such as the rational choice of che-mical composition of glasses, the application of complex refining agents etc, are studied.As a result of the author's researches, it is not necessary to melt high alumina-con-taining glasses at the temperature higher than that of glasses based on the Na_2O-CaO-SiO_2 system. On the basis of their viscosity-temperature curves, the forming and anneal-ing temperatures of high alumina-containing glasses must be adjusted correspondingly. Somephysico-chemical properties of glasses based on Na_2O-Al_2O_3-SiO_2 system have been des-cribed.

基于我国天然含碱矿物岩石资源、矿冶工业尾砂等十分丰富,本文讨论了扩展玻璃工业原料结构的前景。根据天然含碱矿物原料成分的特点,工业生产的基玻璃成分有必要部分地由传统所应用的Na_2O-CaO-SiO_2系统转为Na_2O-Al_2O-SiO_2系统。结合从事过的一些研究工作,文中讨论了合理选择玻璃成分、应用综合澄清剂等问题。实践证明:高铝玻璃的熔制温度不一定比Na_2O-CaO-SiO_2系统玻璃为高,但成形、退火等温度制度要根据高铝玻璃粘度-温度曲线作适当调整。文中还叙述了以Na_2O-Al_2O_3-SiO_2。系统为基础的玻璃所具有的一些物理-化学性质。

The mineralogy of well crystallized sepiolite asbestos occurred in metamorphic dolomi-tic rocks has been studied and electron micrographs, electron diffractions, X-ray analyses,IRS, thermal analyses, chemical analyses together with the physical properties of the spe-cies are presented.

对两地区产于白云质岩石中的结晶良好的海泡石石棉进行了矿物学的报导,提供了电子显微镜、电子衍射、X射线、红外光谱、热分析、化学分析以及物理性能等方面的资料。

Various natural raw materials for introducing the most common constituents of glasses are cited. Some important comments are made on the comprehensive utilization of the Chinese mineral and rock resources for developing new glass raw materials.The exploit of alkali-rich minerals and rocks especially Li2O-containing materials are emphasized.

列举了引入玻璃常见组分的各种天然原料。对如何综合利用我国矿物岩石资源、开发玻璃工业新原料提出一些意见。 着重指出富碱矿物岩石原料、特别是含锂原料的开发利用问题。

 
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