查询词典 boehmite

Gibbsite from which, also known as the aluminum water of oxygen stone components for the Al 3, monoclinic, usually Species Flake collectivity; A Diaspor (diaspore; Empholite) also known as hard water with aluminum components α- AIO, the regular - Fe, Mn, rhomboidal, sustained Species Flake collectivities hardness (6-7); a water boehmite, also known as the mixing aluminum components γ- AlO, the rhomboidal appearing Aphanitic block or colloidal.

密度2-3。其中三水铝石又称水铝氧石，成分为Al3，单斜晶系，通常呈细鳞片状集合体；一水硬铝（diaspore；empholite）又称硬水铝矿，成分α-AIO，常含Fe、Mn，斜方晶系，多呈细鳞片状集合体，硬度大（6-7）；一水软铝石又称勃姆铝矿，成分γ-AlO，斜方晶系，常呈隐晶质块体或胶态。

In the synthesis process, aluminum isopropoxide or pseudo-boehmite is used as aluminum resources, and hexacosanoic propylamine and isopropylamine or the mixture of both are used as templates, thereby realizing the purposes of single feeding adoption, relatively mild crystallization condition, suitable water-solid ratio and great template dosage reduction.

一种用杂原子取代AEL骨架结构磷铝酸盐分子筛的合成方法，该方法是以氯、钛、钴、钙、钯、锌、铈和锆等杂原子为杂原子物料来取代磷铝酸盐分子筛的AEL骨架结构，并在合成过程中以异丙醇铝或拟薄水铝石为铝源，正二丙胺、异二丙胺或两者的混合物为模板剂，从而实现采用一次投料，晶化条件相对温和，水固比适宜，模板剂用量大大下降的目的。

The result shows that a great mass of kaolinite and boehmite in Zhungar coal are turned ioto mullite. There is no boehmite and less kaolinite found in Shenhua coal, so there won't be too much mullite formed.

结果表明，准格尔煤粉中包含的大量高岭石和勃姆石为莫来石的大量生成提供了条件，神华煤中不含勃姆石，高岭石的含量也不多，莫来石的生成量很少。

The corrosion resistance of the phosphate glass is improved by adding the boehmite powder in the aqueous solution, but is useless in acid and alkali solution.

在玻璃耐蚀性方面添加 boehmite powder有助於抵抗水溶液的腐蚀，但对酸和碱溶液则无明显效果，添加 boehmite gel 无明显效果。

But during dry process the surface pores of boehmite gel will first close, and the water in boehmite gel can't burn out so that it occurs cracks in green body.

唯这种制程仍存在下列问题：(1)氧化铝与boehmite胶体的混合泥料仍然太湿，要去除过多水分才能适用於挤出成形。

Synthesis and Characterization of Boehmite AlOOH Nanotubes;2. The authors found an extremely-enriched boehmite and its associated minerals for the first time in the super-thick No.

运用X射线衍射分析、带能谱仪的扫描电镜和光学显微镜等技术，首次在鄂尔多斯盆地东北缘准格尔矿区6号巨厚煤层中发现了超常富集的勃姆石及其特殊的矿物组合，勃姆石含量可高达13。

Firstly, A mixing solvent composed of benzene and isopropanol was used to prepare boehmite sols in the Sol-Gel processes during the preparation of asymmetric alumina membranes taking aluminum isoproxide as raw materials. And the operation conditions in relative periods were optimized.

首先，在以异丙醇铝为原料采用Sol-Gel法制备不对称氧化铝膜的过程中，提出用溶解度较大的苯与异丙醇组成的混合溶剂作为分散剂来配制Boehmite溶胶，并且对各环节的控制条件进行了优化。

Effect of decomposition conditions on the ratio of seeded decomposition and properties of precipitation products from sodium aluminate solutions with the very light boehmite seed prepared from the hydrothermal homogeneous precipitation between aluminum sulfate and urea, was studied. Mechanism of the very light boehmite precipitation process was also analyzed.

以硫酸铝和尿素水热均相沉淀合成的低密度－水软铝石为晶种，研究分解条件对溶液分解率和分解产物性质的影响，还对从铝酸钠溶液析出低密度－水软铝石的过程进行了初步分析。

In comparison with the conventional method of coating on the tool surface, carbide powders were coated with boehmite sol when dispersed in the mixture of boehmite sol and ethanol. The coated powders were then dried, separated, and hot-pressed. The sol preparation techniques were optimized in experiments and the property of the sol was studied at the same time.

本文从提高硬质合金刀具的耐磨性、探索新型刀具涂层方法入手，突破了在刀具表面进行涂层的传统方法，提出了用溶胶－凝胶法在硬质合金碳化物粉末表面涂覆一薄层氧化铝陶瓷制成复合粉末，然后热压制备刀具材料的新方法，开发成功一类新型的陶瓷涂层硬质合金复合刀具材料。

Effect of decomposition conditions on the ratio of seeded decomposition and properties of precipitation products from sodium aluminate solutions with the very light boehmite seed prepared from the hydrothermal homogeneous precipitation between aluminum sulfate and urea, was studied. Mechanism of the very light boehmite precipitation process was also analyzed.

摘 要：以硫酸铝和尿素水热均相沉淀合成的低密度一水软铝石为晶种，研究分解条件对溶液分解率和分解产物性质的影响，还对从铝酸钠溶液析出低密度一水软铝石的过程进行了初步分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。