查询词典 hydrothermal

In the present paper,ZnS:Ag nanoparticles were prepared with simple chemicals by hydrothermal method.XRD patterns indicated that the products have cubic zinc blende crystal structure.

以简单的化学试剂和实验过程，采用水热法制备出ZnS：Ag纳米发光材料。X射线衍射结果表明，产品均为结晶良好的ZnS立方闪锌矿结构。

Hydrothermal method prepared Zinc Borate micro powder is also studied in this paper.

在此条件下，用锌厂的废渣锌灰为原料，进行制备ZB2335的研究，结果表明满意。

Bismuth titanate submicron-rods are synthesized by hydrothermal method using anatase and brookite nanocrystallites, respectively, as precursors.

分别以板钛矿和锐钛矿型的TiO2为先驱物水热合成钛酸铋亚微米棒。

Preparation of Brookite TiO_2 Micro-crystals with Single Phase;2. The brookite TiO2 with different morphologies was prepared by hydrothermal method using TiCl4 and NaOH as the starting material.

以四氯化钛和氢氧化钠为原料制备TiO2前驱体，通过水热法合成了不同形貌板钛矿相TiO2，利用X射线衍射和透射电镜对所得样品进行了表征。

And has very high thermal and hydrothermal stability. When it is used to prepare catalyst, under catalytic cracking condition, the output rates of ethylene and from ethylene to butylene can reach more than 18% and more than 50% respectively.

该分子筛的结构和活性中心具有很高的热和水热稳定性，它的最显著的特点是，用其制成的催化剂在催化热裂解条件下，乙烯产率可达18％以上，乙烯～丁烯产率可达50％以上。

By means of hydrothermal method, high quality calcium stearate were cleanly synthesized by the reaction of calcium hydroxide with stearic acid in water.

以硬脂酸和氢氧化钙为原料，采用水热法合成出了色泽好的高质量硬脂酸钙。

The preparation process includes the following steps: dissolving activator and RE oxide in the molar ratio of 0.01-0.02 in concentrated nitric acid and heating to dry, dissolving the obtain RE nitrate in deionized water to obtain solution of RE nitrate; dissolving soluble tungstate and surfactant in deionized water to obtain tungstate solution; mixing the RE nitrate solution and the tungstate solution through stirring to reaction for 25-60 min to obtain white precipitate; hydrothermal reaction of the precipitate in a reaction kettle at 100-260 deg.c for 24-72 hr; centrifugally separating, washing and drying to obtain the product.

浓硝酸的加入量保证稀土氧化物溶解就可以，过量的硝酸可以加热除去；将可溶性钨酸盐和表面活性剂溶解于去离子水中，得到钨酸盐溶液，表面活剂性的加入量为反应原料重量的0-30wt％；将稀土硝酸盐溶液加入到钨酸盐溶液中搅拌，发生沉淀反应，磁力搅拌时间为25-60分钟，得到白色沉淀；将含有沉淀物的溶液作为前驱物加入到反应釜中，发生水热反应，反应温度为100-260℃，反应时间为24～72小时；离心分离，洗涤，干燥，即得所需产物。

This dissertation divides into seven chapters and the main contents and conclusions are listed as following:1. Three series binuclear lanthanide carboxylate coordination polymers 1～7 have been synthesized under hydrothermal conditions by altering the length of carbon chains between carboxyl group and phenyl ring on ligands, which are isophthalic acid, 1,3-phenylenediacetic acid and 1,3-phenoxydiacetic acid, and lanthanide ions such as Pr~(3+), Eu~(3+)and Ho~(3+).

论文共分七章，主要研究内容和结论如下：1、通过改变间苯二甲酸配体的羧基和苯环之间的碳链长度，从间苯二甲酸、间苯二乙酸到间苯二氧乙酸，以及改变稀土离子半径Pr~(3+、Eu~(3+)和Ho~(3+)出发，在水热条件下制备了三个系列双核金属单元的稀土羧酸二维配位聚合物1～7。

We adopted that thinking paths are hydrothermal in situ of high photocatalyst efficiency photocatalyst and chemosynthesis bond for improving stability.

提出了采用水热法原位制备工艺研制开发具有高可见光催化性能的光催化剂，以及通过敏化剂与纳米TiO_2化学键合来提高光催化剂稳定性能的工作思路。

Objective To estimate whether the implanted coralline hydroxyapatite prepared by hydrothermal conversion of coral can reach the level of compressive strength of bone in vivo, because CHA could be implanted in human body directly and then make the bone tissues grow into their porous structure, which will reinforce their strength.

目的 分析判定以珊瑚为基体，通过水热交换法制成的羟基磷灰石植入体内后的强度是否可以达到活体骨的水平。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。