查询词典 hydrothermal

Hydrothermal synthesis of tetragonal barium titanate from barium chloride and titanium tetrachloride;2. Sintered sample which has different amount of monoclinic and tetragonal phase at room temperature is obtained at different sintering temperature.

通过化学组成和相含量设计，采用湿混法制备了MgO和Y2O3共同稳定ZrO2粉末，在不同的温度下烧结，获得了室温下单斜相和四方相含量不同的烧结样品，用X射线峰宽化法测定并计算了粒子尺寸。

Based on the analysis of deposit genetic type in the metallogenic belt,the metallogenic series has been put forward,that is volcanic-subvolcanic hydrothermal and porphyry type Au-Cu and Mo-Pb-Zn-Ag metallogenic series .

在分析成矿带内不同矿床成因类型的基础上，建立了该成矿带的成矿系列：火山、次火山热液-斑岩型金铜及钼铅锌银成矿系列。

Lameller mesostructured bismuth oxychloride was fabricated by hydrothermal method in a strong acidic (PH＜1) media, with hexadecylamine as the template and bismuth chloride as precursor.

以中性表面活性剂十六胺为模板，无水三氯化铋为前体，在强酸性(PH＜1)介质中合成了层状相介孔氯氧化铋。

On the basis of investigating the developments of inorganic mesoporous material's syntheses and applications, mesostructured tin oxide, bismuth oxychloride, lead sulfide, bismuth sulfide, titanium phosphate and zinc phosphate were synthesized by Sol-Gel and hydrothermal techniques, employing the neutral surfactant organic amine and anion surfactant alkyl sulfonate as templates.

在对无机介孔材料的合成、应用等方面的发展现状进行了充分调研的基础上，本文运用溶胶一凝胶法、水热法等合成手段，选用中性表面活性剂有机伯胺和阴离子表面活性剂烷基磺酸盐为模板，制备了二氧化锡、氯氧化铋、硫化铅、硫化铋、磷酸钛、磷酸锌等无机介孔材料。

On the basis of investigating the developments of inorganic mesoporous material's syntheses and applications, mesostructured tin oxide, bismuth oxychloride, lead sulfide, bismuth sulfide, titanium phosphate and zinc phosphate were synthesized by Sol-Gel and hydrothermal techniques, employing the neutral surfactant organic amine and anion surfactant alkyl sulfonate as templates.

中文题名非硅基介孔材料的合成与表征副题名外文题名论文作者周书喜导师李健民学科专业物理化学研究领域\研究方向学位级别博士学位授予单位中国科学技术大学学位授予日期2003 论文页码总数92页关键词介孔材料介孔分子筛馆藏号BSLW /2003 /O643.3 /50 在对无机介孔材料的合成、应用等方面的发展现状进行了充分调研的基础上，本文运用溶胶一凝胶法、水热法等合成手段，选用中性表面活性剂有机伯胺和阴离子表面活性剂烷基磺酸盐为模板，制备了二氧化锡、氯氧化铋、硫化铅、硫化铋、磷酸钛、磷酸锌等无机介孔材料。

In our case, we try to replicate the bone-crushing pressures and scalding temperatures typical of a deep-sea hydrothermal vent.

实验情境模拟典型深海热泉的高温高压环境，这压力足以压碎骨骼，温度足以消融肌肤。

Hydrothermal condition is very important to the exsit of Chimonanthus germplasm. Soil matrix is mostly sand and loam soil. Chimonanthus germplasm is the dominant component of forest layer and bush layer.

蜡梅属植物对水热条件要求较严格，土壤基质多为沙壤土，在群系组成中，蜡梅属植物多为林木层和灌木层的优势成分。

They were created by hydrothermal processes that are found in black shale clay dating back 120 million years.

这些图片是由热液过程中找到黑色页岩粘土追溯到一亿二千万年。

Coal kaolinite ; 4A molecular sieve ; hydrothermal synthesis ; static water absorption

煤系高岭土； 4A分子筛；水热合成；静态水吸附率

By analyzing the mineral composition and chemical composition of coal fly ash as well as synthetical mechanism of the 4A molecular sieve ,the technological flowsheet for preparing 4A molecular sieve from coal fly ash with hydrothermal method has been designed.

通过分析粉煤灰的矿物组成、化学成分和4A分子筛合成机理，设计了粉煤灰水热法制备4A分子筛的工艺流程，并重点介绍了粉煤灰的n(S iO2)/n(A l2O3)、n(Na2O)/n(S iO2)、n(H2O)/n(Na2O)、凝胶形成温度和时间、晶化温度和时间以及晶种添加等方面的原理及工艺参数选择情况，可为粉煤灰合成高品质的A型沸石提供借鉴。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷