查询词典 vanadium oxide

The process involved the preparation of vanadium carbide which can be prepared from V 2O 3 by vacuum carbon reduction and then being nitrified to vanadium nitride by nitrogen gas.

利用扫描电镜、透射电镜和X射线能量分散谱仪对高钒高速钢中合金碳化物———碳化钒的精细结构及微区成分进行分析。

This paper measured the basic properties of vanadium cinder,researched the strength of base material made by vanadium cinder which was stabled with lime and cement,and tested its development of property.

测试了钒渣的理化性能，针对低等级公路的底基层和基层材料的强度要求对水泥灰土稳定钒渣进行了研究，并探讨了钒渣基层的强度发展特点。

The paper studied the semi-industrial test of extracting Vanadium pentoxide by the pelletization-rotary kiln roasting-low acid leaching-ion exchange technology from the Vanadium-containing kaolin.

对含钒高岭土进行了制粒-回转窑焙烧-低酸浸出-离子交换提取五氧化二钒的半工业试验，试验结果表明，回转窑焙烧过程钒的转化率达到74%以上，全流程五氧化二钒回收率达到71。

The paper studied the semi-industrial test of extracting Vanadium pentoxide by the pelletization-rotary kiln roasting-low acid leaching-ion exchange technology from the Vanadium-containing kaolin.

对含钒高岭土进行了制粒-回转窑焙烧-低酸浸出-离子交换提取五氧化二钒的半工业试验，试验结果表明，回转窑焙烧过程钒的转化率达到74%以上，全流程五氧化二钒回收率达到71.82%，产品质量达到国家标准GB3283-87要求。

Has completed major projects including the world-famous giant white horse in Panzhihua City, vanadium and titanium magnetite, vanadium and titanium magnetite red grid, Lala Copper Mine, the largest long-Salt Salt Group, the Duke of Zhou Spa, Luofu Spa, Hai Luogou Spa , Sino-foreign joint ventures, wholly-owned cement with limestone, Chongqing Municipality in Yangsan, Yong-rong, Tianfu, South-tong, pine species, Sichuan climbing coal, can be wide, bamboo and other mining bureau of coal mine owned a large number of small and medium-sized coal mine restructuring , The continuation of Nanchuan bauxite, gold agate shell, Guizhou Hezhang siderite, Fuquan phosphate rock and phosphate rock Xundian Yunnan, Tibet, such as gold sand.

已完成的主要项目包括世界著名的攀枝花市白马特大型釩钛磁铁矿、红格釩钛磁铁矿、拉拉铜矿、久大盐业集团盐矿、周公山温泉、罗浮山温泉、海螺沟温泉、中外合资、独资水泥用石灰岩、重庆市中梁山、永荣、天府、南桐、松藻、四川攀煤、广能、达竹等矿务局所属煤矿、大量中小型煤矿改制、延续、南川铝土矿、玛瑙壳金矿、贵州赫章菱铁矿、福泉磷矿、云南寻甸磷矿、西藏砂金矿等。

Make a commitment at the same time,"in Panzhihua Steel Vanadium cash dividend in line with the conditions and still retain a certain profit, under the premise of the Company and concerted action to Panzhihua Steel Vanadium people 2008-2009 Annual General Meeting of shareholders proposed a cash dividend distribution, the allocation criteria will be not less than every 10 shares distributed 1.2, the Company and concerted action and commitment to people in the consideration of such matters at the general meeting of shareholders voted for the motion."

使同时承诺，&在攀钢钢钒现金股利中的条件路线，仍保留一定的利润，根据本公司及一致行动以攀钢钢钒2008人的前提-2009年度股东大会提出现金股利分配，分配标准将不低于发行1.2（含税每10股以下），本公司和协调一致的行动，并承诺对这些问题考虑到人在大会上股东对议案投赞成票。&

By Panzhihua Steel Vanadium today announced that, in order to encourage more of Panzhihua Vanadium Steel shareholders have the right to choose to choose to continue holding company stock, to encourage more climbing the Great Wall shares of Chongqing Titanium and shareholders have the right to choose to participate in convertible , Anshan Iron and Steel Group to make further commitments: Anshan Iron and Steel Group will "on the right to declare the cash option exercise period of the deadline for undeclared cash to exercise the right to choose have the right to choose shareholders," added the right to declare a cash option to the right line.

由攀钢钢钒今天宣布，为了鼓励攀钢钢钒的股东有更多的选择权，选择继续持有公司股票，以鼓励更多攀登长城重庆钛和股东的股份有权选择可兑换，鞍山钢铁集团公司参与做出进一步承诺：鞍钢集团将&对有权宣布现金选择了未申报行使现金期限内行使选择权的有选择权股东，&将有权宣布现金选择正确的路线。

Methods:Vanadium was determined by dual-wavelength catalytic spectrophotometric method which was based on the vanadium catalyzing oxidation of acridine orange and acid chrome blue K by potassium bromate in 0.010 mol/L H2SO4 medium.

在硫酸介质中，利用钒催化溴酸钾氧化吖啶橙和酸性铬蓝K褪色反应，分别在476 nm和556 nm处测量催化体系和非催化体系的吸光度的变化，用双波长催化光度法测定痕量钒。

And precipitation rate of vanadium was higher than 98.5%. Five vanadium catalysts were made withγ-Al_2O_3 and the mesoporous molecular sieve MCM-41 as carrier, and were made by dipping method, intermingle process and functionalizing method respectively. The characterization of their pore size, crystal structure, specific surface area and V_2O_5 load of catalysts were studied by XRD, the adsorption /desorption of N_2 technique, Raman spectroscopy and XRF. The activities of the catalysts estimated by the synthesis of DPC with DMC and phenol.

钒催化剂的制备与表征及活性评价：是分别以γ-Al_2O_3和介孔分子筛为载体，采用浸渍法，掺杂法及官能化法制备了5种钒催化剂；分别对其进行了XRD分析、N_2吸附-脱附分析、红外光谱分析和荧光分析，对其孔径、晶型结构、比表面积和V_2O_5负载量进行了表征；以碳酸二甲酯和苯酚的酯交换合成碳酸二苯酯的典型反应为依据，对钒催化剂进行了活性评价。

The physical chemistry property and the application of vanadium trioxide, the technological process, the various materials and the reductants used for production of vanadium trioxide both at home and abroad are introduced.

介绍了三氧化二钒的物理化学性质、途以及国内外制取三氧化二钒的各种生产工艺，采用的各种提取原料、原剂等。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&