查询词典 molybdenum

The thickness of the alloying layer is 80μm in the decarbonizing and then surface alloying, but only 15μm in the surface alloying directly. The content of cobalt which doesn't form carbide doesn't have a great difference in two processes, but that of tungsten and molybdenum make a great difference.

在两种渗金属条件下，表面合金层的非碳化物形成元素Co含量差别不是很大，而强碳化物形成元素W和Mo的含量却有着显著差异，直接渗金属的，表层W和Mo含量几乎为零，而脱碳后渗金属的，表层W和Mo总量最大达到6%左右。

An ultra-high strength, weldable, low alloy steel with excellent cryogenic temperature toughness in the base plate and in the heat affected zone when welded, having a tensile strength greater than 830 MPa (120 ksi) and a micro-laminate microstructure comprising austenite film layers and fine-grained martensite/lower bainite laths, is prepared by heating a steel slab comprising iron and specified weight percentages of some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium, molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reducing the slab to form plate in one or more passes in a temperature range in which austenite recrystallizes; finish rolling the plate in one or more passes in a temperature range below the austenite recrystallization temperature and above the Ar3 transformation temperature; quenching the finish rolled plate to a suitable Quench Stop Temperature; stopping the quenching; and either, for a period of time, holding the plate substantially isothermally at the QST or slow-cooling the plate before air cooling, or simply air cooling the plate to ambient temperature.

在基体板以及焊接时的热影响区处的低温韧性优异的超高强度、可焊接、低合金钢具有高于830MPa（120ksi）的抗拉强度，并且具有包含奥氏体薄膜层和细晶粒的马氏体／下贝氏体板条的显微层状组织，所述钢的制备过程为：加热含有铁以及特定重量百分比的添加元素的钢坯，所述添加元素为碳，锰，镍，氮，铜，铬，钼，硅，铌，钒，钛，铝，以及硼中的一些或全部；在奥氏体可发生再结晶的温度范围内，采用一个或多个道次，将所述钢坯轧制成板材；在低于奥氏体再结晶温度但高于Ar 3 转变点的温度下，采用一个或多个道次对所述板材进行终轧；将所述终轧板材淬火至一适当淬火终止温度；停止所述淬火；或者在空冷前在QST点基本等温保持所述板材一段时间，或者对所述板材进行缓慢冷却，或者只是简单地将所述板材空冷至室温。

In this paper,the Graphite Furnace Atomic Absorption Spectrometry was applied to the determination of molybdenum in lixiviated solution discharged from plants of producing Fe and Mo.

用石墨炉原子吸收光谱法测定钼铁厂固体废物浸出液中的钼，当选择合适实验条件的情况下，钼的测定灵敏度较高，校准曲线的相关系数大于0.999，精密度较好，方法的检出下限为0.6μg/L，定量测定范围2.4～60μg/L，测定结果令人满意

There is an activation process for passivated alumina supported molybdenum nitride and carbides catalysts at the initial stage of hydrazine decomposition.

在肼分解反应初期，钝化态的氮化钼和碳化钼催化剂有一个活化的过程，随着启动次数的增加，催化剂的初活性逐渐提高，最后达到稳定。

SUPPLEMENTS are all the rage: evening primrose oil; St John's wort; fish oils; glucosamine; selenium; zinc; iron; molybdenum; probiotics. And don't forget those old standbys, multivitamin tablets.

补充剂风靡一时：月见草油，贯叶连翘提取素，鱼油，葡糖胺，硒，锌，铁，钼，益生菌，不要忘记那些老式的备用的复合维生素药丸。

The XPS results show that the amount of low valence molybdenum and S(superscript 2-) increases with increase of the content of K in sulfured catalyst, and(superscript 2-) is suppressed. It is found that keeping the ratio Mo(superscript 4++Mo(superscript 5+)/Mo(superscript 6+) at 0.8~1 level and remaining more S(superscript 2-) species on the catalyst are in favor of the improvement of the catalytic activity at low temperature.

XPS表征显示，硫化态催化剂随着钾添加量的增加，低价态钼和S(上标 2-)增加，(上标 2-)受抑制，Mo(上标 4++Mo(上标 5+)/Mo(上标 6+)质量比为0.8~1和较多的S(上标 2-)物种有利于提高催化剂的低温活性。

A four-ball tester was used to evaluate the load carrying and antiwear properties of bismuth dibutyldithiocarbamate,bis-dibutyldithiocarbamates(V7723),sulfurized isobutylene,molybdenum ester non sulfur and phosphorus in a mineral oil respectively and their synergistic effects.

利用四球试验机评价了二丁基二硫代氨基甲酸铋与二丁基二硫代氨基甲酸酯(V7723)、硫化异丁烯和非硫磷钼酸酯添加剂的极压和抗磨性能，以及它们之间的极压和抗磨协同作用。

After the molybdenum contained in Na2WO4 or (NH4)2WO4 solution was sulfurized from MoO42- into MoS42- by using Na2S or (NH4)2S, the metal sulfide was added into the solution to remove MoS42-.

对含钼的Na2WO4或(NH4)2WO4溶液用Na2S或(NH4)2S 进行硫化处理，使其中的MoO42-转化为MoS42-，然后加入上述金属硫化物进行除钼。

Based on the fine-grained molybdenum rod sintered at low temperature,the effect on microstructure and performance by hot deformation come from rotary swaging and heat treatment was explored.

对低温烧结的细晶粒钼棒进行旋锻和热处理以及性能测试，探讨旋锻热加工与后续热处理对材料组织结构与性能的影响。

In sulfuric acid, ascorbic acid-stannous chloride mixtures of ammonium molybdate Ge Ge reduced molybdenum blue, The maximum absorption wavelength of 805 nm.

在硫酸介质中，抗坏血酸—氯化亚锡混合体系将锗钼酸铵还原成锗钼蓝，其最大吸收波长为805 nm。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。