1) 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。
2) 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。
3) Hydrothermal precipitation method
水热沉淀法
1.
Preparation and properties of titania hollow spheres by hydrothermal precipitation method
水热沉淀法制备TiO_2空心球及光催化性能
4) deposition-precipitation
沉积-沉淀法
1.
5% Au/Fe2O3 was prepared by co-precipitation,deposition-precipitation and impregnation separately.
采用共沉淀法、沉积-沉淀法和浸渍法制备了1。
2.
ZrO2 support and Au/ZrO2 catalyst were prepared by aqueous solution precipitation and deposition-precipitation method, respectively.
采用水溶液沉淀和沉积-沉淀法分别制备了ZrO2载体及相应的Au/ZrO2催化剂,通过CO氧化反应考察了载体的制备条件、催化剂的焙烧温度和预处理温度对催化剂活性的影响;通过X射线衍射、氢程序升温还原(H2-TPR)、X射线光电子能谱(XPS)表征,分析了影响催化剂活性的原因。
3.
Some oxides(Al2O3,SiO2,TiO2,MgO)and H-ZSM-5 zeolite were used as supports to prepare Au catalysts by deposition-precipitation(DP)with urea as a precipitator.
选择不同氧化物(Al2O3,SiO2,TiO2,MgO)和H-ZSM-5分子筛作为载体,以尿素为沉淀剂,采用沉积-沉淀法制备了一系列负载型金催化剂。
5) deposition-precipitation
沉积沉淀法
1.
Pd catalysts derived from MgAl hydrotalcite precursors were prepared by three different methods: deposition-precipitation(DP),impregnation(IM),and co-precipitation(CP),which were characterized by ICP,XRD,SEM,TEM,EDS,TPR and surface area measurement.
以沉积沉淀法(DP)、浸渍法(IM)和共沉淀法(CP)制备MgAl水滑石衍生氧化物负载钯催化剂,用ICP、XRD、SEM、TEM、EDS、TPR以及比表面测定等手段对催化剂进行了表征。
2.
5O 2 (CZ) catalysts were prepared by deposition-precipitation (DP), mixing (MIX) and conventional impregnation (IMP) methods, and the effects of the preparation methods on the three-way catalytic behaviors were investigated.
结果表明沉积沉淀法制备的Pd/Ce0 5Zr0 5O2 催化剂 (Pd DP)表现出最强的Pd 载体作用及最优活性 ,原位红外实验发现Pd DP上存在与传统的浸渍法制备的Pd IMP催化剂不同的NO催化还原途径 ,推测Pd 载体间相互作用引起NO还原机理差异 ,进而导致活性差
6) deposition-precipitation method
沉积沉淀法
1.
The Au/TiO_2 photocatalyst was prepared by the deposition-precipitation method and characterized by transmission electron microscopy, diffuse reflectance spectroscopy, and X-ray photoelectron spectroscopy.
采用沉积沉淀法制备了Au/TiO2催化剂,用透射电子显微镜、紫外可见漫反射光谱和X射线光电子能谱进行了表征,结果表明,样品在空气中于200℃处理后,金以金属态Au0的形式沉积在TiO2表面。
2.
Using ZnCl2,Al2O3 and Na2CO3 as raw materials,ZnO/Al2O3 composite oxide was prepared by deposition-precipitation method.
以ZnCl2、Al2O3和Na2CO3为主要原料,采用沉积沉淀法制得纳米ZnO/Al2O3光催化剂。
3.
CuO/ZnO catalysts with different CuO content were prepared by deposition-precipitation method for water-gas shift reaction,using Cu(OH)2 as the precursor of CuO.
首次采用沉积沉淀法,以Cu(OH)2为前驱体制备不同CuO负载质量分数的CuO/ZnO水煤气变换(WGS)催化剂,并运用XRD、N2物理吸附和TPR等方法对催化剂进行结构表征。
补充资料:沉积
分子式:
CAS号:
性质:主要指悬浮在液体中的固体颗粒的连续沉降。产生基本上澄清液相的称做澄清(defecation;clarification)。使悬浮的固体颗粒变为稠密的淤浆的称做增稠(thickening)。使不同大小、形状或密度的固体颗粒分为若干部分的称做分粒或分级(classification)。应用于化学、冶金、食品、制糖等工业。
CAS号:
性质:主要指悬浮在液体中的固体颗粒的连续沉降。产生基本上澄清液相的称做澄清(defecation;clarification)。使悬浮的固体颗粒变为稠密的淤浆的称做增稠(thickening)。使不同大小、形状或密度的固体颗粒分为若干部分的称做分粒或分级(classification)。应用于化学、冶金、食品、制糖等工业。
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