查询词典 cerous

Highly ordered mesoporous Zr-Ce-SBA-15 silica with hexagonal-platelet morphology was synthesized through a hydrothermal route by using pluronic P123 as a template, tetraethyl orthosilicate as a silica source, zirconyl chloride and cerous nitrate as a precursor. The main strategy of this method was to utilize the acidity self-generated from the hydrolysis of inorganic salts in the aqueous solutions, where no addition of mineral acids was necessary.

以P123为模板剂，正硅酸乙酯为硅源，氯化氧锆和硝酸亚铈为无机前驱盐，在不外加无机酸的条件下，利用无机前驱盐自身水解产生的弱酸性环境，通过水热合成路线一步合成了具有大的径轴比、短孔道、六方板状形貌的Zr-Ce-SBA-15介孔材料。

The results showed that NO level and NOS activity was significantly increased in rat liver,kidney,heart and muscle after recurrent administration intraperitoneal of 50mg/kg cerous nitrate,at the same time,NO level was increased in rat liver and kidney after administration of 1mg/kg cerous nitrate.

结果显示，腹腔注射高浓度的稀土后，大鼠肝脏、心脏、肾脏、骨骼肌中一氧化氮、一氧化氮合成酶的水平明显增加，注射低浓度的稀土后，肝脏、肾脏内一氧化氮的量显著增加。

The effect of cerous nitrate on the activity of some ion-dependent ATPase such as Ca2+-ATPase, K+,Na+-ATPase and Mg2+-ATPase was studied in vivo.

研究了硝酸铈对大鼠内脏、大脑、肌肉中ATP酶活性的影响。

Several factors, such as reacting temperature, the ratio of cerous nitrate with citric acid, drying temperature, and etc.

结果表明，所得CeO2 粒子为立方晶相系，呈球形，平均粒径达到纳米级。

The adsorption characteristics of arsenic in water by cerous hydroxide were studied.The results showed that cerous hydroxide had well adsorption effect for trivalent arsenic and pentavalent arsenic.

研究了氢氧化铈对水中砷的吸附特性，结果表明：氢氧化铈对As和As均有良好的吸附效果，其吸附等温线能很好地用Langmuir方程描述。

Multiple-walled carbon Nanotubes were used as carrier to load cerous sulfate catalyst for catalytic synthesis of n-butyl propionate Single factor and orthogonal experiment methods were applied to investigate the effects of the molar ratio of butyl alcohol to propionic acid, cerous sulfate mass fraction and reaction time on the conversion of propionic acid and the optimal technical conditions were determined as:ratio of butyl alchhol and propionic acid 1.5:1, cerous sulfate mass fraction 15% and reaction time 70 min.

以多壁碳纳米管作载体担载硫酸铈催化合成丙酸丁酯。分别采用单因素和正交实验方法考察了醇酸摩尔比、硫酸铈质量分率和反应时间等主要因素对丙酸丁酯得率的影响，并确定了最佳工艺条件为：醇酸摩尔比1.5：1、硫酸铈质量分率15%和反应时间70 min。

Compared with the unloaded cerous sulfate, the multiple- walled carbon nanotube loaded cerous sulfate possessed some obvious advantages of higher catalytic activity, less use level and higher yield of n-butyl propionate.

与未担载硫酸铈相比，碳纳米管担载硫酸铈具有催化活性高、催化剂用量少、重复使用率好和丙酸丁酯得率高等显著优点。

The results showed that Ca2+-ATPase, K+,Na+-ATPase and Mg2+-ATPase activity was increased in rat liver, kidney and heart after recurrent intraperitoneal administration of low dose of cerous nitrate(1mg/kg),but no changes happened for these enzymes activity after high cerous nitrate administration(50mg/kg).

结果显示，连续腹腔注射低浓度硝酸铈后，大鼠肝脏、肾脏、心脏等组织中Ca2+-ATP酶，K+、Na+-ATP酶，Mg2+-ATP酶活性明显增强；而当注射高浓度硝酸铈时，酶活性均未发生明显变化。

The precursor object was made from the cobalt nitrate,cerous nitrate,carbamide by the methods of hydro-thermal synthesis.It was calcined at the high temperature and the cobalt-cerous oxide powder was obtained.

以硝酸铈和硝酸钴、尿素等为基本原料，采用水热合成法制备出前驱体，经高温锻烧获得铈钴复合氧化物粉体，经TG-DTA，XRD，SEM等检测手段进行表征。

Glycerine, triethanolamine, corn starch and polyvinyl alcohol can be immobilized onto BOPP surface using cerous ions as initiator. Attenuated total reflecteion-FITR and CA results show that vinyl monomers also can be grafted onto polymer surface by cerous ion as initiator.

在D-果糖改性CPP膜的体系中，实验结果显示随着D-果糖初始浓度的增加，改性膜的表面水接触角先下降后略微增加；增加紫外光的辐照强度能够促进D-果糖对CPP膜的表面偶合改性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。