The SEM photographs showed that the reunite of the anhydrite decreased.
SEM照片显示，改性后硬石膏团聚减少；
The anhydrite caused spherulite size of PP diminishing, the quantity increasing.
硬石膏的加入使得球晶尺寸减小，数量增加。
Locally dolomite and anhydrite are important as cements, together with minor authigenic quartz.
在局部地方白云石和硬石膏也是重要的胶结物；还有少量自生石英。
Rapid accumulation of anhydrite by the blowing of wind to form thick and large ore body played a certain role.
风的吹拂作用对硬石膏快速堆积厚大矿体起了一定作用。
In this paper, effect of anhydrite calcined at different temperatures on the hydration of Portland cement is studied.
研究了不同温度煅烧的硬石膏对硅酸盐水泥水化过程的影响。
Medium hard formation with high compressive strength. Such as hard shale, limestone, sandstone, dolomite, anhydrite and marble.
高抗压强度的中硬地层，如硬页岩。石灰岩。砂岩。白云岩。和硬石膏。大理石。
The XRD results suggested that the major mineral phases in the AAC product were tobermorite with residue quartz and anhydrite.
由XRD测试分析可知，成品中主要的矿物成分为托贝莫来石，此外还有石膏和尾矿中残留的石英等。
The results show that the mineral composition of Huainan coal ashes are mainly quartz, anhydrite, calcite, kaolinite and hematite.
结果表明：淮南煤灰中，矿物质组成为石英、硬石膏、方解石、高岭土和赤铁矿，其中硬石膏和方解石含量较低。
Under the circumstances, gypsum or anhydrite could accumulate to form beds many meters thick, without any co-precipitation of halite.
在这种环境下，石膏或硬石膏可以堆积成许多米厚的岩层，而没有任何石盐伴生沉淀。
Under the circumstances, gypsum or anhydrite could accumulate to form beds many meters thick , without any co-precipitation of halite.
在这种环境下，石膏或硬石膏可以堆积成许多米厚的岩层，而没有任何石盐伴生沉淀。
Under the circumstances, gypsum or anhydrite Co. ld accumulate to form beds many meters thick, without any Co. precipitation of halite.
在这种环境下，石膏或硬石膏可以堆积成许多米厚的岩层，而没有任何石盐伴生沉淀。
Sulphate rocks are quite widely distributed in China; gypsum and anhydrite, in particular, have been found almost in all parts of China.
硫酸盐岩在中国分布很广泛，特别是石膏及硬石膏，其分布遍及各省、直辖市、自治区。
The types of ore are gypsum and anhydrite, with the high quality, simple mining conditions, the convenient traffic and the abundant energy.
矿石类型为石膏及硬石膏，矿石质量好，矿床开采条件简单，交通方便，能源充足，具有广阔的开发利用前景。
Based on the analysis on activation energy between anhydrite and hydrocarbon, the heavy hydrocarbons will be firstly consumed in the TSR process.
通过烃类与硬石膏反应的活化能分析可知，TSR反应是一个优先消耗重烃的过程。
The rocks are lithic arkose and arkose which are in low composition saturation and has high clay content, anhydrite, calcite and dolomite cements.
岩石类型为成分成熟度较低的岩屑长石砂岩和长石砂岩，并合较多的粘土矿物和硬石膏、方解石、白云石胶结物。
The evaporite rocks consisted of halite and anhydrite rocks mainly existed in north and centre of Dongying sag where the deep fractures developed.
通过分析了该地区蒸发岩地层的沉积特征和沉积条件，认为东营凹陷沙四段蒸发岩类的物质基础是深层卤水；
In combination with the features and application requirements of anhydrite, the specific direction in deep-level development of anhydrite was pointed out.
结合硬石膏的特性和应用要求，指出了硬石膏深层次开发的具体方向。
The SI data showed that gypsum and anhydrite we re in an unsaturated state, but calcite, aragonite and dolomite were in a super- saturated state in the groundwater.
饱和指数表明，地下水中石膏和硬石膏呈非饱和状态，而方解石、霰石呈过饱和状态。
The result indicated that the anhydrite could toughen and reinforce PP. The anhydrite modified by aluminium coupling agent was more effecive than the unmodified anhydrite.
结果表明：硬石膏能够增韧增强PP，经铝酸酯偶联剂改性的硬石膏的增韧增强效果比不改性更加明显；
The efficient bulking agent of concrete was obtained by mixing anhydrite and specially made aluminous clinker. The anhydrite was obtained by calcined and dehydration ardealite.
本文介绍了利用工业废弃物磷石膏煅烧脱水制取硬石膏，再与特制高铝熟料配合研制混凝土高效膨胀剂。
Choosing potassium sulfate as an activator to stimulate the activity of natural anhydrite, and modified its properties by adding Portland cement and hemihydrate gypsum respectively.
选取硫酸钾作为激发剂对天然硬石膏进行活性激发，并分别掺入硅酸盐水泥与半水石膏进行改性。
In this paper, experimental study is made on decomposition temperature, decomposition ratio of calcined anhydrite, activity of decomposition products and stimulating effect on fly ash.
对高温煅烧硬石膏的分解温度与分解率，分解产物的活性与对粉煤灰的激发效应进行了试验研究，提出了初期和后期两期激发机理。
Main products include: coal, kaolin powder, anhydrite mineral, activated carbon, chloridize polythene, copper tube, zincification steel tube, and our products are available world wide.
产品主要包括：煤炭、高岭土、石膏、活性炭、铜材制品、镀锌管材、氯化聚乙烯等，畅销世界各地。
Based on the engineering background of Jingzhuling tunnel, by studying the characters of anhydrite, this paper describes the tunnel construction technology in anhydrite stratum in detail.
以荆竹岭隧道为工程背景，通过分析石膏地层的工程特性，详细介绍了荆竹岭隧道石膏地层的施工技术。
Cementation is showed by the secondary enlargement of quartz and feldspar, the successive formation and pores filling of cementing material of authigenic clay mineral, calcite and anhydrite, etc.
胶结作用表现为石英和长石的次生加大、自生粘土矿物、碳酸盐和硬石膏胶结物的依次形成并充填孔隙。
The strength and water-resistance of fly ash anhydrite binder (be called FAB in short). which its main raw materials are desulphogypsum and fly ash , are higher than those ordinary gypsumpreducts.
以脱硫石膏与粉煤灰两种工业废渣为主要原料制得的粉煤灰无水石膏胶结材（以下简称FAB），具有比石膏制品高的强度与耐水性。
The strength and water-resistance of fly ash anhydrite binder (be called FAB in short). which its main raw materials are desulphogypsum and fly ash , are higher than those ordinary gypsumpreducts.
以脱硫石膏与粉煤灰两种工业废渣为主要原料制得的粉煤灰无水石膏胶结材（以下简称FAB），具有比石膏制品高的强度与耐水性。
应用推荐