查询词典 hydrothermal

The use of rare earth vanadates as supports for active gold catalysts opens up new routes in the research work for high performance catalysts. Bismuth vanadate micro/nanocrystals with different morphologies were synthesized by surfactant assisted hydrothermal/solvothermal methods.

建立了表面活性剂辅助的水热及溶剂热合成方法，通过选用合适的表面活性剂及控制单体浓度，获得了一系列不同晶形及形貌的BiVO4微/纳米晶，研究了晶体结构与生长行为的相关性。

Rare-earth doped borates(BO3),phosphates(PO4),vanadates(VO4), vanado-phosphate(YO4),borosilicate(LaBSiO5), and aluminate phosphors had been prepared by some different methods, such as high temperature solid state method, hydrothermal method, co-precipitation method and so on.

中文摘要：采用高温固相法、水热法、共沉淀法等不同方法制备了一系列掺稀土的稀土正硼酸盐BO3、正磷酸盐PO4，矾酸盐VO4，矾磷酸盐YO4和硼硅酸盐LaBSiO5及铝酸盐等荧光粉。

Rare-earth doped borates(BO3),phosphates(PO4),vanadates(VO4), vanado-phosphate(YO4),borosilicate(LaBSiO5), and aluminate phosphors had been prepared by some different methods, such as high temperature solid state method, hydrothermal method, co-precipitation method and so on.

采用高温固相法、水热法、共沉淀法等不同方法制备了一系列掺稀土的稀土正硼酸盐BO3、正磷酸盐PO4，矾酸盐VO4，矾磷酸盐YO4和硼硅酸盐LaBSiO5及铝酸盐等荧光粉。

Nanotubular titanates, with an external diameter of around 8 nm and a wall thickness of about 1 nm, are prepared by hydrothermal processing, and the thermal stability is tested. The products are charactrized by transmission electronic microscopy, X-ray diffraction and thermogravimetric analysis.

采用水热合成方法制备出外径约8 nm，壁厚为1 nm的纳米管，以TEM，XRD和TG等分析手段对不同工艺条件下获得的产物进行了表征，对它们的热稳定性进行了测试。

Nanotubular titanates, with an external diameter of around 8nm and a wall thickness of about 1nm, were prepared by hydrothermal processing, and their thermal stability was tested.

采用水热合成方法制备出外径约8nm，壁厚为1nm的纳米管，以TEM、XRD 和TG等分析手段对不同工艺条件下获得的产物进行了表征，对它们的热稳定性进行了测试。

The preparation methods of nickel-coated composite powder consisting of hydrothermal hydrogen reduction, electroless plating, decomposing of nickel carbonyl, and electroplating were summarized and its applications in thermal spraying field such as base, abradable seal, abrasion resistant, and self-lubricating coatings were introduced.

本文综述了镍包覆型复合粉末的制备方法，主要有水热氢还原法，化学镀法，羰基镍分解法和电镀法；介绍了国内外常见镍包覆型复合粉末在热喷涂领域中的应用情况、包括作为底层、封严涂层、耐磨涂层和自润滑涂层材料。

There dormant hydrothermal vents are a rich source of metal sulphides that the firm hopes to exploit for gold and copper.

是现在发现海洋生物新物种和研究生命起源的好地方。）是一处富含金属硫化物的资源，该公司希望能从中得到金和铜。

Keywords: Hydrothermal Synthesis; alkaline earth stannates; Microporous and Mesoporous Structures

中文关键词：水热合成；碱土锡酸盐；微孔和中孔结构

Synthesis of MoO3 nanobelt s with no template via a simple hydrothermal method from peroxomolybdic acid sols was reported.

以过氧钼酸溶胶为反应前驱体采用简单的水热方法，在没有任何模板剂的条件下合成三氧化钼纳米带，通过XRD，SEM，TEM和IR等测试方法对产物进行结构表征和形貌分析。

Under atmospheric pressure, binary nanocrystalline sulfides and selenides such as CdS、CdSe、PbS、 PbSe、Cu〓Se、Ag〓S、Ag〓Se、SnSe are obtained at room temperature; nanocrystalline CdTe and PbTe are obtained by heating. Nanocrystalline NiSe〓、CoSe〓 and FeTe〓 are obtained by hydrothermal conditions.

根据硫、硒歧化的碱溶液与碲歧化的碱溶液稳定性的不同，发现在室温条件下可成功获得CdS、CdSe、PbS、PbSe、Cu〓Se、Ag〓S、Ag〓Se、SnSe等二元硫化物与硒化物纳米晶；加热条件下可成功获得CdTe与PbTe纳米晶；而NiSe〓、CoSe〓及FeTe〓的合成则要在水热条件下进行。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。