hardpan

用法例句

There is a rich reserve of hard kaolin coexisting with coal mine and the kaolin has a wide range of application.

煤矿共生硬质高岭土储量丰富,应用广泛,但由于生产矿井勘探的对象不同,现有高岭土的资料不能满足开采需要,本文探讨了生产矿井勘探应掌握的原则,提出了依托生产矿井已有的基本巷道进行钻探的方法。

This paper studied the mineralogy characteristics of coal series hard kaolin of Pingxiang by means of chemical analysis,mineral examination,infrared spectrum,thremogravimetric-differential thermal analysis,X-ray diffraction,scanning electron microscopic analysis.

通过化学分析、岩矿鉴定、红外光谱、热重-差热分析、X射线衍射和扫描电镜分析测试和观察,对江西萍乡某矿煤系硬质高岭土的矿物学特征进行了研究。

Study about Technique of Brightening of Flint Kaolin of Coal Measures in Carboniferous-Permian of Western Shandong

鲁西地区石炭二叠纪煤系硬质高岭土增白技术研究

A Study on Modification of Inner Mongolia Hard Kaolin of Coal Measures and Its Application in FCC Catalysts;

内蒙煤系硬质高岭土的改性及其在FCC催化剂中应用研究

Study on modification and properties of calcined kaolin with stearic acid

煅烧高岭土的硬脂酸改性及其性能研究

Geological Features and Genesis of the Yongquan Kaolin Ore Deposit in Lincang

临沧永泉高岭土矿床地质特征及成因

THE STUDY ON THE NATURE OF CEMENTATION OF KAOLINITE WITH GOETHITE BY MAGNETISM OF SUBSTANCE

从物质的磁性看高岭土与针铁矿的胶结本质

THE NATURE OF CEMENTING OF KAOLINITE WITH GOETHITE FROM ￣(29)Si NMR SPECTRA

由~（29）SiNMR谱看高岭土与针铁矿的胶结本质

Preparation of Light Weight Thermal Insulation Refractory from Coal Series Kaolin

用煤系高岭土制备轻质隔热材料的研究

Resource Characteristics of Arenaceous Kaolin in China and Its Current Situation of Exploitation and Utilization

我国砂质高岭土资源特点与开发利用现状

Alunite is a harmful impurity which is difficult to remove from kaolinite, and so is kaolinite in alunite ore.

明矾石是高岭土中难以除去的有害杂质,高岭石也是明矾石矿石中的有害杂质。

THE APPLICATION OF DIFFERENT KAOLIN CLAYS IN THE MATRICES OF FCC CATALYSTS

催化裂化催化剂基质中高岭土系不同粘土的应用

Influence of mass ratio and pH on the thixotrophy of magnesium ferrum hydroxide-kaolinite suspension;

胶土质量比及pH值对Mg-Fe-MMH-高岭土分散体系触变性的影响

Reaponse of Soil Quality to Natural Vegetation Restoration Processes in the Ziwuling Area on the Loess Plateau

黄土高原子午岭地区土壤质量对植被恢复过程的响应

Evaluation of soil quality during vegetation restoration in the Ziwuling Area of Loess Plateau

黄土高原子午岭地区植被恢复过程中的土壤质量评价

a kaolin, mustard, etc poultice

高岭土、 芥子末等泥罨剂.

THE NATURE OF CEMENTING OF KAOLINITE WITH GOETHITE FROM ~(27)AI NMR SPECTRA

由￣（27）Al的核磁共振谱看高岭土与针铁矿的胶结本质

Physical Property of Different Golf Green Rootzone Soil Mixtures and Its Effect on Turfgrass Growth

不同配方高尔夫果岭土壤的物理性质及其对草坪生长的影响

Study on the Determination of Trace Composition and Impurity Elements in Kaolin with ICP-MS

ICP-MS法测定高岭土中微量成分及杂质元素的研究

Production of Low-Cr Hi-Hardness Wear Resistant White Cast Iron with Rare Earth Modification

用稀土变质低铬白口铸铁生产高硬度耐磨铸件