查询词典 zirconium

In this work we exploited both these approaches simultaneously by forming composites with polyvinyl alcohol, zirconium phosphate and cesium salt of silicotungstic acid.

在本研究中我们通过与聚乙烯醇，磷酸锆，和硅钨酸的铈盐形成复合物，同时探索了这两种方法。

The chemistry structure and morphology of the fibers were studied by FT-IR, TGA, elemental analysis and SEM. The process and related influencing factors of the preparation of spinnable zirconium sol were studied.

用FT-IR、TGA、元素分析和SEM等分析技术表征了纤维的化学结构和形貌观察，研究了可纺性ZrO2溶胶的制备条件和影响因素。

Fibrous hydrous zirconia, spinnable hydrous zirconia chelated by acetylacctone and modifiedhydrous zirconia were synthesized from zirconium oxychlorid(ZrOCl_2·8H_2O) and then applied toprepare ZrO_2/PVA electrospinning hybrid fibers, ZrO_2/PVA continuous hybrid fiber and ZrO_2/PVPhybrid microsphere respectively. The chemical structure, properties, microstructure and formationmechanism of the corresponding materials were investigated.

论文以无机盐ZrOCl_2·8H_2O为原料，合成出纤维状的ZrO_2水合物、乙酰丙酮配位的可纺性ZrO_2水合物和正丁醇改性的ZrO_2水合物，分别与PVA和PVP杂化复合，制备出ZrO_2／PVA杂化电纺纤维、ZrO_2／PVP杂化连续纤维和ZrO_2／PVP杂化微球，并对相关材料的组成、结构、性能及形成机理等进行了深入分析和研究。

Zirconium phenyl phosphonate Zr (C6H5PO3) 2nH2O and its derivatives Zr(C6H5PO3)(subscript 2-x)(HPO4)nH2O and Zr (C6H5PO3)(subscript 2-x)-(HPO3)nH2O were synthesized and sulphonated.

合成了苯膦酸锆及其混合配体形式的苯膦酸－磷酸锆和苯膦酸－亚磷酸锆，并通过层间苯环磺化制备了不同组成的磺化苯膦酸－磷酸锆。

In low-temperature superalkaline condition,the nuclei of zirconia were synthesized simply by stirring and milling the solid mixture of sodium hydroxide and zirconium oxychloride.

摘 要：以分析纯氢氧化钠和氯氧化锆为原料，通过低温强碱合成法简单、方便地合成了二氧化锆晶核。

In low-temperature superalkaline condition,the nuclei of zirconia were synthesized simply by stirring and milling the solid mixture of sodium hydroxide and zirconium oxychloride.

以分析纯氢氧化钠和氯氧化锆为原料，通过低温强碱合成法简单、方便地合成了二氧化锆晶核。

The proposed method has been applied to the direct determination of zirconium in terephthalic acid .

方法用于对苯二甲酸样品中锆的测定，结果与4，5-二溴苯基荧光酮法一致，相对标准偏差为1.6%~2.5%，标准加入回收率为

A theoretical study of the surface structure of silica-supported zirconium sulfate tetrahydrate with high catalytic activity for synthesis of 2-ethoxyethyl acetate has been investigated using the ASED-MO method (including atomic repellent energy).

采用量子化学ASED-MO(含原子对排斥的EHMO法)为基础的结构自动优化EHTOPT法研究了硅胶负载型硫酸锆表面相的结构特征。

A gray tetravalent metallic element that resembles ''.'zirconium'.

一种灰色的四价金属元素，化学性质与''。

A method for producing fatty acid alkyl esters and/or glycerin comprising a step of bringing a fat or oil into contact with an alcohol in the presence of a catalyst, wherein the catalyst is at least one catalyst selected from the group consisting of the following to: a metal oxide having an ilmenite structure and/or a slyrankite structure; an oxide containing a metallic element belonging to the Group 12 and a metallic element belonging to the Group 4; a mixed oxide containing a metallic element belonging to the Group 12 and a tetravalent transition metallic element; a metal oxide containing zirconium and at least one metallic element selected from the group consisting of metallic elements belonging to the Groups 4, 5 and 8; and a metal oxide containing anatase type titanium oxide and/or rutile type titanium oxide, and the metal oxide containing a sulfur component of 700 ppm or less.

脂肪酸烷基酯和/或甘油的制造方法包括在催化剂的存在下使脂肪或油与醇接触的步骤，其中，所述催化剂是选自由下列～所组成的组中的至少一种催化剂：具有钛铁矿结构和/或斯里兰卡石结构的金属氧化物；含有属于第12族的金属元素和属于第4族的金属元素的氧化物；含有属于第12族的金属元素和四价过渡金属元素的混合氧化物；含有锆和选自由属于第4、5和8族的金属元素所组成的组中的至少一种金属元素的金属氧化物；和含有锐钛矿型氧化钛和/或金红石型氧化钛的金属氧化物，并且所述金属氧化物含有的硫成分为700ppm以下。

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。