gypsum

Gypsum was used as raw material to prepare porous hydroxyapatite with hierachical structure by hydrothermal reaction.

使用石膏作为原料,通过水热反应得到具有特殊结构的多孔羟基磷灰石.

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Mechanism discussion on roof failure of gypsum mine

石膏矿山顶板破坏机理探讨

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The environmental effect of gypsum mine and salt mine and the measures of pollution control

膏盐类矿山的环境效应及其治理对策

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Apply fertilizers, feed, wood flour, gypsum, grain, vegetables, organic fertilizer and other dry materials.

适应于化肥, 饲料, 木粉, 石膏, 粮食, 蔬菜和有机肥等多种行业.

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The main mineral resources of coal, iron, limestone, gypsum, yang you Gan , such as bauxite.

境内主要矿藏资源有煤 、 铁 、 石灰石 、 石膏 、 羊油甘 、 铝土等.

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Drywall, also known as gypsum or wallboard, is used to construct walls and ceilings.

干墙又称石膏板或墙板, 通常被用来建造墙壁和天花板.

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This usually happens in places where water dissolves away rocks like limestone and gypsum.

这种现象通常发生在地质为石灰石、石膏的岩溶地带.

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The land is generally too expensive for us as a dumping area for gypsum.

把地面用来作为石膏的倾倒场所一般说来是太浪费了.

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The exploitation of gypsum mine results in the variety of hypo-salting salinization and alkalization, The acid waste water produced in the exploitation of metal deposits directly pollutes the surface water and the ground water and brings the acidation of soil.

膏盐矿开采造成不同程度土壤次生盐渍化（盐化和碱化）。金属矿床酸性废水直接污染地表和地下水体，诱发土壤酸化；

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In addition, the company also has Gypsum mine and rubber wood domestic production base.

此外, 公司还具有石膏矿、橡胶木的国内生产基地.

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Two gypsum slurry pumps are provided for the absorber system.

在吸收塔系统中,配有两台石膏浆液泵.

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Based on the hydrogeological conditions of the mine, the author divided the dissolved zone of the gypsum deposit into leaching zone, leaching-hydrating zone and hydrating zone.

笔者以矿区水文地质条件为基础，将石膏矿的溶蚀带划分为淋滤带、溶滤水化带和水化带；

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The aim of this study is to evaluate the cytotoxicity of gypsum mine dust to mouse peritoneal macrophages in vitro.

本文采用小鼠腹腔巨噬细胞体外细胞培养法，研究了石膏矿尘对小鼠腹腔巨噬细胞的影响。

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It has been found that a lot of gypsum and zinc bearing siderite occur on the surface of Xitieshan deposit and near ore country rocks of the upper part of the ore body.

锡铁山矿床地表及上部中段的近矿围岩中发育大量的石膏和含锌菱铁矿，长期以来主要作为喷流沉积或后期改造的产物。

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The copper, iron, gold, gypsum and jade ore spots are delineated in the surveyed areas.

新发现一批铜 、 铁 、 金 、 石膏、玉石等矿点.

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The optimal amount of gypsum is about 20 % of cement by weight.

废石膏的最佳掺量一般为水泥用量的20%左右.

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Perlite is also a component of some formulations of gypsum wallboard.

珍珠岩也是一些石膏板的原料.

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The gypsum slurry is pumped into a diked area.

我们用泵将石膏料浆打到一块用堤围起来的空地中.

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Effect of Desulfurization Gypsum and Special Soil Amendment for Improvement of Takyr Solonetzs

燃煤烟气脱硫废弃物及专用改良剂改良龟裂碱土的效果

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The white cement without clinker was prepared by metakaolinite, lime and gypsum as main raw materials.

以偏高岭土 、 石灰和石膏为主要原料制得无熟料白水泥.

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The sample consisted of pebbles of gypsum and fragments of volcanic rock.

这个样本由石膏鹅卵石和火山岩碎块组成.

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Treated with modified Ma Xing Shi Gan Tang ( Decoction of Ephedrae, Armeniacae Amarum, Glycyrrhizae and Gypsum Fibrosum), the cases received a satisfactory result, with a total effective rate of 90.8%.

本组经用麻杏石甘汤加味治疗，总有效率占90.8%。

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The making method of flame-proof gypsum sheathing

不燃性石膏板制造方法

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Calcium sulphate whisker is a new nonmetal material prepared from gypsum.

硫酸钙晶须是由生石膏制备而成的新型非金属材料.

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The paper has discussed the mechanism of desulfurization gypsum cementing tailings as also.

并对脱硫石膏胶结尾砂的作用机理进行了探讨.

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Precaution for the roof fall accident in large area in gypsum mine

石膏矿大面积冒顶塌方事故的预防

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Analyzed the structures of nature gypsums and presented three modified methods of gypsum and their mechanisms.

分析了天然石膏的结构,阐述了三种石膏改性的方法及改性的机理.

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Based on chemical thermodynamics and kinetics, secondary precipitation of gypsum in acidizing treatment is studied.

从热力学和动力学两个方面研究了酸化作业中的石膏二次沉淀问题，阐明了石膏二次沉淀的热力学原理，并给出了有关的计算公式。

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Study on a New Version of Sublevel Caving Method at a Gypsum Mine in China

无底柱分段崩落法新方案在石膏厚矿床的试验研究

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This method of handling gypsum is satisfactory.

这种输送石膏的方法是令人满意的.

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