查询词典 MO

By dehydrochlorination reaction the poly[(2-methoxyl-5-octyloxy)phenylene vinylene] is synthesized and the material"s structure is characterized by nuclear magnetic resonance spectroscopy, infrared absorption spectrum, ultraviolet and visible spectrophotometry. At the meantime, the fluorescence spectrum is measured and the mechanism of fluorescence occurring is analyzed. Thermal Gravimetric Analyzer"s results show that the MO-PPV"s thermal stability is fine. Also the experiment of resolvable property indicates that the MO-PPV can well dissolve in chloroform. Through analyzing the film"s surface by Metaloscope and Atomic Force Microscope, the good filming is found.

通过脱氯缩合法合成了聚(2-甲氧基-5-辛氧基)对苯乙炔，并分别用核磁共振波谱法、红外吸收光谱法、紫外-可见分光光度法等对其进行了结构表征；测量了样品的荧光光谱，分析了荧光产生的机理；热失重仪分析了材料的热稳定性，研究表明MO-PPV材料具有良好的热稳定性；溶解性实验发现材料在氯仿中溶解性较好；金相显微镜和原子力显微镜研究了薄膜的表面形貌，发现该材料的成膜性良好；材料的导电性研究表明，固体材料在掺杂下才可以表现出导电特性，而配成溶液的材料导电性因溶剂的不同而不同，并随溶解时间的长短发生变化。

This article mainly deals with Cr's pollution affecting the content of Cr,K,Mg,Fe,Mn,Zn,Cu,Mo in floating and underwater leaves of Trapa bispinosa .

研究 Cr6 +污染后菱浮水叶和沉水叶中 Cr、K、Mg、Fe、Mn、Zn、Cu、Mo元素的含量，结果显示：Cr含量随培养浓度的上升而上升，K、Mg随培养浓度的上升而下降，Fe含量随培养浓度的上升而出现先上升后下降，Mn、Zn、Cu、Mo与 Cr6 +的培养浓度无明显的相关关系。

The Mo-In/HZSM-5 catalyst exhibits better catalytic performance compared to unpromoted Mo/HZSM-5 catalyst.

为了进一步改善催化剂的催化性能，本文重点研究助剂In、Pd对Mo／HZSM-5催化剂的改性作用。

The factors influencing property stability of Cu-Mo alloyed ADI gear s was analyzed,and proper measures was proposed.

分析了 Cu-Mo合金奥贝球铁齿轮性能稳定性的影响因素，提出了相应的措施，制定了 Cu-Mo奥贝球铁齿轮质量控制的基本原则。

For sample hot rolled at 850℃ with the thickness reduction of 80% after solution treatment, there were Fe-Cr-Mo phase present in it through backscattered electron image and energy spectrum analysis. The Fe-Cr-Mo phase redissolved at 900℃ showed that it is a kind of low-temperature phase.

借助背散射电子像及能谱分析发现，经固溶处理后在850℃轧制80%变形量的试样中有Fe-Cr-Mo相析出，在随后的900℃保温淬火后该析出相溶解，表明其为低温析出沉淀相。

As known, Mo-O compounds are prone to cluster structure. For compound 5, Mo〓O〓 unit is a loop-structure, two HPO〓 tetrahedrons are c oordinated to loop-structure from up and down, respectively.

在钼-氧化合物中，我们知道，钼-氧化合物易于形成笼状结构，在化合物5中，Mo〓O〓形成一个环状结构，两个HPO〓分别配位在环的上下，形成一个&飞碟&状的结构。

Based on the detailed study of seismic tomography image in South China, and according to the geotectonic environment and shape and heat of asthenosphere upwelling, we divided the structure of lithosphereasthenosphere at the Mesozoic upper mantle of Eastern China into three types.(1)Continental platform area (North China platform and Yangtze platform): asthenosphere upwelled along paleorift; over the plume head, the granitic rocks of crust and mantle mixed and correspondingly, Au, Cu, Mo, PbZn, etc. mineralizationconcentrated regions were formed; and at the steep contact belt of asthenosphere and the thick area of lithosphere, mediatebasic complex was formed.(2)Central area of fold zone: asthenosphere was "recumbent" at suitable depth, with adequate heat and in a great extent; by heat conduction, the interior of partial crust remelted, and the crustsource granitic rocks, and correspondingly, W, Sn and rare elements mineralizationconcentrated regions were formed.

在深入研究华南地震层析成像的基础上，按照大地构造环境和软流圈上涌形状和热度，将中国东部中生代上地幔中岩石圈软流圈构造划分为3类：(1)陆台区，软流圈沿古裂陷上涌，其柱头上方形成幔壳混熔花岗质岩及相应Au、Cu、Mo、PbZn等矿集区，并于软流圈与岩石圈厚区之陡接触带形成中基性杂岩及相应Fe矿集区；(2)褶皱带中心区，软流圈在适当深度、热量充足、较大范围内&平卧&，因热传导而致使地壳内物质部分重熔，形成壳源型花岗质岩及相应的W、Sn、稀有元素矿集区；(3)褶皱带边缘区(大兴安岭南部及华南南缘)，在软流圈上涌柱上方形成幔源或幔壳混熔的花岗质岩，相应为Cu、Au、PbZn、Mo、Ag矿集区。

Said metal nitride is prepared through mixing the aqueous soltuion of nitrate or sulfate of A with the aqueous soltuion of Cr, Mo or W acid or one of their ammonium salts, coprecipitation or impregnation to obtain load-type or non-load-type dual-component metal salt or compound oxide, then pass in NH3, sequentially heating and azotizing at 600-750 deg.C.

该金属氮化物是由含A过渡金属元素的硝酸盐或硫酸盐水溶液与Cr、Mo或W酸或者Cr、Mo或W酸铵水溶液混合，通过共沉淀法或浸渍法制成负载型或非负载型双组元金属盐或复合氧化物，再将双组元金属盐或复合氧化物通NH3进行程序升温，至最终氮化温度600～750℃下进行反应而制得。

On the other hand, the molybdenum species of Mo/HZSM-5 catalyst is reduced and carburised during the aromatization of CH4 and this leads to the formation of different kinds of molybdenum species.

Mo／HZSM-5具有较好的甲烷无氧芳构化性能，但迄今在Mo／HZSM-5仅进行了甲烷的无氧芳构化研究，尚未实现甲烷的有氧芳构化反应。

It was found that the per centages of CD14+, HLA-DR+ and CD86+ cells and the relative intensity of fluorescence were significantly re-duced when the Mo/Mφ were treated with IVIG. Also, IVIG could inhibit the activation of the Mo/Mφ induced by GM-CSF and LPS.

加入IVIG处理培养的脐带血Mo/Mφ表面CD14、HLA-DR和CD86分子的阳性细胞比率和相对荧光密度均明显降低，同时CD14+HLA-DR+和CD14+CD86+细胞的比率明显降低。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。