查询词典 zirconyl

The paper describes the advantages of making high pure zirconium dioxide from zirconyl chloride by direct calcination,the design and manufacture of the reactor,as well as the requirements for its materials.

介绍了采用直接煅烧法从氧氯化锆制取高纯二氧化锆的优点及其反应器的设计与制造。

Compare the crystalline methods of zirconyl chloride in the preparation of zirconium dioxide by lime-roasting method,and a new crystalline method of adding calcium chloride was proposed.

对石灰制取二氧化锆生产中结晶氯氧化锆的方法进行了比较，提出了加氯化钙结晶的新工艺，对影响氯氧化锆结晶率的因素进行了研究。

Zirconium containing MCM-41 molecular sieves with high surface area, good crystallinity and Si / Zr ratio from 20 -∞ were synthesized in a near neutral condition by using a sodium silicate as silicon source and a zirconyl nitrite as zirconium source.

MCM - 41与传统分子筛比较，最突出的特点是具有 1～ 5nm直径的孔道和 1 0 0 0m2 ·g- 1 左右的比表面，如此宽孔道尺寸的固体材料对于大分子的吸附和催化具有潜在的应用前景[1 - 3] 。

Some new technological measures,such as new reactors,gel method to remove silicon,direct dissolve acid to recrystallizate and direct calcine from zirconyl chloride,were used to reform zirconium dioxide production process.

文摘：采用新型反应器及胶凝除硅、直接酸溶重结晶、直接煅烧等技术对二氧化锆的生产工艺进行了改革，降低了原材料消耗及能耗，减少了废液排放量，并将回收的废物加工成副产品白炭黑，在生产过程中防治污染。

With the same zirconium concentration,the absorbance of zirconyl oxyhalide solution (λ=664nm)prepared in HCl was larger than that from pure zirconyl oxyhalide solution.

发现对于相同锆浓度的溶液，高酸度的锆贮备溶液中的锆与偶氮胂Ⅲ形成的化合物的吸光度(λ=664nm)要大干仅由氧氯化锆配制的锆贮备溶液中的锆与偶氮胂Ⅲ形成的化合物的吸光度。

Zirconium 3-nitrophthalate Zr(3-NO2-PHT2·2H20 was synthesized using 3-nitrophthalic acid, sodium hydroxide, and zirconyl nitrate as raw materials.

用3一硝基邻苯二甲酸、氢氧化钠和硝酸氧锆为原料，制备了3。

Super-fine K-doped Li2ZrO3 powders were synthesized via the citric acid-ethylene glycol complexing, with the nitrates of lithium, zirconyl and potassium as the materials. Then, the precursor of K-doped Li2ZrO3 and the K-doped Li2ZrO3 powders were characterized by means of TG-DSC, XRD and SEM. Moreover, the thermal decomposition of the gel and the formation of the tetragonal crystalline form were analyzed.

采用柠檬酸－乙二醇络合法，以硝酸锂、硝酸氧锆、硝酸钾为原料制备了掺钾Li2ZrO3超细晶体粉末，采用TG-DSC、XRD、SEM等方法对掺钾Li2ZrO3的前驱体及掺钾Li2ZrO3晶体粉末进行了表征，分析了凝胶的热分解变化过程和四方晶形结构的形成过程。

The super microporous tin-doped zirconium oxides were successfully synthesized by sol-gel method using zirconyl chloride as Zr source, tin chloride as Sn source and cetyltrimethylammonium bromide as template under hydrothermal or refluxing conditions.

以二氯氧锆和四氯化锡为金属源，十六烷基三甲基溴化铵为模板剂，用溶胶-凝胶法在水热或回流条件下成功合成出了锡掺杂的超微孔二氧化锆材料。

The surface zirconyl species as centers of negative charge compensated by sodium ions presents a property of ion exchange. mesoporous silica ; ZrMCM-41; synthesis ; molecular sieves

在本文中，作者使用中性条件和硝酸氧锆作锆源，在水热体系中把Zr原子引入其固架，合成出了ZrMCM - 41 ，发现该样品与文献 [4]，[5]报道的不同，存在明显的B酸中心。1 实验部分1 。1 试剂硅源：Na2 Si3O7溶

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。

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。