查询词典 vanadium

The vanadium recovery rate reached beyond 62% and settle the problems of environmental pollution in the recovery technology of vanadium.

该法不仅解决了提钒工艺中的环境污染问题，而且使钒的收率超过62％。

After the vanadium content in PD3 steel was more than 0.33%, vanadium carbides would precipitate a lot, and make the lamellar gap sizes of pearlite abnormally coarsen, it was beneficial to toughness of material.

当PD3钢中钒含量增加到0.33%时，碳化钒将大量析出，并使珠光体片间距反常粗化，对韧性不利。

It takes charge of the steel ingot, cast iron and vanadium dreg separately for the New Steel Vanadium Company.

攀钢提钒炼钢厂隶属于攀枝花新钢钒股份有限公司，是公司重要的生产部门之一，共有 14 个车间，分别负责新钢钒公司的钢锭、连铸坯和钒渣的生产任务。

To promote development of low alloy steel bearing vanadium and mitrogen,the process,conditions and products of preparing nitrided ferrovanadium and vanadium nitride are introduced on the basis of main documents.

为推动含钒氮低合金钢的发展，在查阅主要文献的基础上，重点介绍了氮化钒铁及氮化钒制备的工艺方法、条件及产品情况。

The strengthening effect of vanadium to low-alloy steel is introduced,its microalloying role researched and discussed,different effects to strengthen steel with vanadium-nitrogen alloy or ferrovanadium as additive concluded.

分析了钒对低合金钢的强化作用，对VN的微合金化作用进行了研究和探讨，提出用钒氮合金和钒铁做添加剂对钢强化具有不同效果。

The strengthen ing effect of vanadium to low-alloy steel is introduced,its microalloying role researched and discussed,different effects to strengthen steel with vanadium-nitrogen alloy or ferrovanadium as additive concluded.

分析了钒对低合金钢的强化作用，对VN的微合金化作用进行了研究和探讨，提出用钒氮合金和钒铁做添加剂对钢强化具有不同效果。

The experimental results show that the yield of the maleic anhydride is maximum when the molar ra_tio of vanadium pentoxide to molybdenum trioxide is equal to about two and the quantities of vanadium are nearly five times more than those of phosphorus.

实验表明：以氧化铝为载体用于苯氧化制顺酐的五氧化二钒催化剂，当五氧化二钒与三氧化铝的摩尔比为2左右和钒磷比约为5时，顺酐的收率最大，并根据催化剂的半导体电子理论和酸碱理论进行了解释。

The research on the new process of vanadium extraction from vanadium containing stone coal by acid leaching under oxygen pressure is described.

介绍了含钒石煤氧压酸浸提钒新工艺的研究情况。

The effects of partial substitution of vanadium and iron for manganese, nonstoichiometry and heat treatment on alloy performances were investigated.The results showed that the alloys activation characteristics, hydrogen storage content, thermodynamic and mechanical characteristics had been improved significantly after manganese was partially substituted by vanadium and iron.

研究结果表明：V、Fe取代合金中的部分Mn元素后，合金的活化性能、吸放氢性能、热力学性能及加工性能均有明显改善。V、Fe取代TiMn_(1.5)中的部分Mn后：在353K、2MPa氢气压力的条件下，只需5分钟合金即开始迅速吸氢。

In this paper,the situation of vanadium pentoxide market at home and abroad is briefly described,The output,consumption and price of vanadium pentoxide are introduced.

本文简述了国内外五氧化二钒市场状况，介绍了五氧化二钒生产、消费及价格等方面的情况，并对其市场进行了分析和预测。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。