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1)  water-deposition
水沉法
1.
In this paper,the methods of Soxhlet,hot-refluxing and cold-dipping were compared and the method of water-deposition to refine flavones was put forward.
研究荞麦蜂花粉总黄酮类物质的提取工艺,以芦丁为对照品用吸光光度法测定总黄酮含量;比较了索氏提取法、热回流法和冷浸法等提取方法;提出采用水沉法精制粗黄酮浸膏;通过L9(34)正交试验,优选了提取工艺参数。
2)  deposition-precipitation hydrothermal method
沉积-沉淀水热法
1.
It was found that the TiO2 powder prepared by deposition-precipitation hydrothermal method at 140 ℃ for 20 h and calcined at 600 ℃ exhibited higher photocatalytic activity than P25 TiO2 for X-3B degradation,the as-prepared TiO2 powder was very easy to be separated from reaction mixture.
以硫酸钛为原料,采用沉积-沉淀水热法制得了TiO2粉体光催化剂。
3)  hydrolysis precipitation method
水解沉淀法
1.
Preparation process of nanometer-sized ZnO by hydrolysis precipitation method was proposed.
论述了以ZnSO4为主盐NH4HCO3为沉淀剂采用水解沉淀法制备纳米ZnO粉末,用X射线衍射和分光光度法研究了粉料的特征及光催化性能。
2.
Preparation process of nanometer-sized TiO2 by hydrolysis precipitation method is proposed.
以TiC l3为主盐,采用水解沉淀法制备纳米TiO2粉末,用X射线衍射和CODCr法研究了粉料的特征及光催化性能。
3.
Nanometer TiO_2 powder is prepared by hydrolysis precipitation method,with Ti(SO_4)_2 as material and ammonia water as precipitant,whose characters and catalytic performance are investigated as well.
以Ti(SO4)2为原料、氨水为沉淀剂,采用水解沉淀法制备了纳米TiO2粉末,并研究了粉料的特征及光催化性能。
4)  hydrothermal precipitation
水热沉淀法
1.
Affection factors of preparation nanometer zinc oxide powders by hydrothermal precipitation;
水热沉淀法制备ZnO纳米粉体
2.
Nanometer-sized ZnO powders were successfully prepared with the method of hydrothermal precipitation.
利用水热沉淀法,成功地制备了ZnO纳米晶超微粉末,通过XRD、TEM、IR、DTA、BET等手段对制得的粉末进行了表征,结果表明粉体粒径为40 nm左右,纤锌矿结构,以球状为主,粒度分布均匀,分散性好;用抑菌圈实验法和细菌总数测定法定性、定量地考察了样品的抗菌效果和抗菌性能,结果表明样品对大肠杆菌、金黄色葡萄球菌、白色念珠菌有较好的抗菌效果,当纳米ZnO在悬浮液中质量分数为2%时,抑菌率可达到99%;同时还对水热沉淀法形成纳米ZnO的机理和纳米ZnO抗菌机理进行了探讨。
5)  Water-extraction and alcohol-precipitation method
水提醇沉法
1.
It is elucidated that flocculation technology is more effective and practicable than water-extraction and alcohol-precipitation method in the aspects of purifying effect,stabilization of liquid medicine,percent recovery of useful matter,production cost,productio.
本文概述了絮凝技术在中药领域的研究与应用情况,介绍了应用于中药领域的絮凝剂种类以及絮凝过程的影响因素,并主要从澄清效果、药液的稳定性、有效成分的收率、生产成本、生产周期和药效等方面阐述了与水提醇沉法相比,絮凝技术是一种更加有效、切实可行的方法。
6)  Ethanol subsiding method
水提醇沉法
补充资料:水沉
1.亦作"水沈"。 2.木名。即沉香。 3.用沉香制成的香。 4.指这种香点燃时所生的烟或香气。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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