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This article studies calcining temperatures and time effect on the content of iron pyrites in rectoriteor by calcining rectoriteor in Zhongxiang Hubei province to remove the iron pyrites in them.

以具有层状硅酸盐结构的粘土累托石为主体,经煅烧除去黄铁矿后与部分中和的丙烯酸通过水溶液聚合法制备累托石/聚丙烯酸高吸水树脂。

Sepiolite is a kind of samdwich clay with high ion exchange ability, adsorption and surface area which makes it to be an excellent support for catalyst.

中文摘要:海泡石属于2:1型的层状天然粘土,具有较高的阳离子交换性、吸附性能和比表面积,本身具有一定的催化活性,是优良的催化剂载体,但其应用受到低热稳定性和孔径分布的限制。

Hydrotalcites belong to a family of anionic clays. Because of its special composition and structure, hydrotalcites are shown highly activity and selectivity in catalytic reaction, such as hydrogenization, polymerization, and condensation.

水滑石为一类阴离子型层状粘土,由于其组成和结构的特殊性,使其在催化加氢、聚合、缩合及醇类转化等有机反应中表现出高的催化活性和选择性,同时,它们还可以作为吸附剂、阻燃剂和热稳定剂等。

Clay minerals are the general name of fine dispersing layered hydrous silicates and amorphous hydrous silicate minerals.

粘土矿物是含水的层状硅酸盐和含水的非晶质硅酸盐矿物的总称。

Montmorillonite is a major host mineral for the pillaring reaction because of its 2:1 sandwich-like structure and the exchangeable cations between the layers.

蒙脱石由于其典型的2∶1型层状结构和大的层间可交换阳离子容量令其在粘土柱撑实验研究中占到了主导地位。

The analysis of weathering crust characteristic of lower Permian Kalagang group in Malang sag, Santanghu basin suggests that the paleo-weathered crust includes weathering clay ground, strong weathering rubble layer, weak, weathering block-stone layer and unweathered rock layer in vertical and was distributed under the unconformity interface and presented in planar manner horizontally.

对三塘湖盆地马朗凹陷下二叠统卡拉岗组风化壳特征的分析,认为古风化壳纵向上分为风化粘土层、强风化碎石层、弱风化块石层以及未风化岩石层等,平面上呈面状分布于不整合界面之下,剖析该区古风化壳成藏地质条件和构造演化,探讨了可能发育油气藏类型及与风化壳的关系,并指出了该区下一步下二叠统卡拉岗组有利的勘探目标是在P2t剥蚀线与P1k剥蚀线之间范围内,其次为卡拉岗组剥蚀线以东地区。

There are three effects that may be important in producing this trend. First, lowtemperature oxidation preferentially affects the finer single-domain magnetites responsible for the Hopkinson peak, which is therefore suppressed in the more oxidized loams. Second, the possible production of uniaxial magnetite with shape anisotropy can also lead to a relatively muted Hopkinson peak. There is, additionally, a third alternative, and the one preferred here, that the natural alteration processes involved in pedogenic susceptibility enhancement have probably depleted the supply of ironbearing precursor phases, so that less new magnetite is formed on heating.

产生这种特殊热磁性质的可能原因如下:第一,成土过程中的低温氧化作用减弱了磁铁矿的Hopkinson效应;第二,可能是成土过程中生成的一向延长的针状磁铁矿颗粒表现出较弱的Hopkinson效应;第三,随着成土作用增强,现代黄土、黑垆土中的硅酸盐、粘土矿物因受土壤化作用分解而越来越少,加热过程中分解产生的磁铁矿造成的磁化率增强相对于其初始磁化率也就越来越小,从而产生越来越弱的Hopkinson/alteration峰,本文认为这是最主要的原因。

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