碳化铌的数量与铌的加入量有关。
研究了电子陶瓷级五氧化二铌的生产工艺。
The product process of electronic ceramic grade Nb2O5 was studied in the article.
钢中铌的沉淀析出具有沉淀强化和晶粒细化的作用。
And the precipitation of Nb has the effect of precipitation hardening and grain refinement.
提出了一种从钽和其它杂质中测定稀有元素铌的方法。
One method which can be used in analyzing rare element Nb in the presence of Ta and other impurities is proposed in the paper.
本发明的催化剂，其特征在于，包含铌的碳氮氧化物。
Specifically disclosed is a catalyst characterized by being composed of niobium oxycarbonitride.
计算结果表明：冷却速率对碳氮化铌的析出及长大有重要影响。
As a result, It is found that the cooling rate has great effect on the Nb (CN) nucleation and growth.
铌在高铬铸铁中全部以碳化铌的形式存在，与碳化铬互不相溶。
The existing form of Nb in surfacing metal of high Cr cast iron is NbC, which can not dissolve each other with Cr7C3.
近年来各种新试剂、新方法的不断涌现，使铌的光度分析有了新的进展。
Recently various new reagents and detection methods were used to the photometric detection of niobium.
结果表明，丙醇钽、丁醇钽和乙醇铌的蒸汽压大小能够满足化学气相沉积的要求，有足够的挥发速率。
The results show that the vapour pressure and the mass loss rate of tantalum propoxide, tantalum butoxide and niobium ethoxide are suited for chemical vapor deposition.
采用双亚点阵模型对结构钢和合金工具钢中钒、铌的碳化物和氮化物析出时的竞争及稳定性作了热力学分析。
The precipitation order and stability of carbonitrides containing V and Nb was thermodynamically analyzed by the two sub-lattice model.
在实验室条件下，用内蒙天然碱进行了包钢铁水的预处理试验，研究了铁水脱磷、脱硫和脱铌的热力学和动力学参数。
Thermodynamic and kinetic parameters in removing phosphorus, sulphur and niobium from hotmetal using natural soda ash have been studied in laboratory experiments.
富铌的岛弧玄武岩则是中等到高碱的镁铁质熔岩，它们相对于正常的岛弧玄武岩含有较多的高场强元素（HFSE）。
Niobium-enriched arc basalts are mildly- to highly-alkalic mafic lavas that contain relatively higher amount of high field-strength elements (HFSE) than normal arc lavas.
对于天然铌的全套中子核数据评价是依据测量到1989年的实验数据。同时，理论计算采用了MUP2和AUJP程序。
An evaluation of a complete neutron nuclear data for natural niobium has been finished on the data measured by experiments up to 1989 and theoretical calculations with program MUP2 and AUJP.
此处展示的铌超导腔已经证明可以用于废料嬗变。
The niobium superconducting cavities shown here could prove useful for waste transmutation.
这是一些细小的超导材料，由一个刻有间隔的氧化铝晶片上的铌薄膜构成。
These are tiny pieces of a superconducting material consisting of a niobium film on an aluminium oxide wafer with gaps etched into it.
这套系统内含一个超导铌通路（两端配置了强烈反射微波的“镜子”）。
This consists of a superconducting niobium conducting path that is configured with strongly reflective "mirrors" for microwaves at both ends.
元素表中可以找到神话中的角色，比如坦塔罗斯(钽)和他的女儿尼俄伯(铌)，还有普罗米修斯(钷)。
Mythological characters that can be found on the periodic table include Tantalus (Tantalum, ta) and his daughter Niobe (Niobium, Nb), and Promethius (Promethium, Pm).
据知情人士称，巴西矿冶公司的铌供应量占全球的约80%，其最大客户都位于亚洲。
CBMM, the Brazilian company, produces about 80 per cent of the world's niobium supply and its biggest customers are all in Asia, according to a person close to the deal.
富铌玄武岩是一类具有特殊地球化学特征的岛弧玄武岩。
Nb-enriched basalt is a kind of arc basalt that has special geochemical characteristics.
很难将它与铌分开，铌是周期表中钽的上面一个元素，两者具有许多共同的性质。
It is difficult to separate from niobium, the element above it in the periodic table, with which it shares many properties.
并在掺杂铌酸锂晶体中获得了高信噪比，信号光增益高达1583倍的光像放大。
We obtain a optical image amplification with high gain factor of 1583 in doped lithium niobate crystals.
介绍了采用陶瓷坩埚用高频加热-热导法测定钢铁、铜、铌、钽、钛中的氢。
This article described the determination of hydrogen in steel, copper, niobium, tantalum and titanium with ceramic crucible by high frequency induction-thermal conductivity method.
目前钽铌矿的选矿多以重选为主，但重选法选别细粒钽铌矿的回收率非常低。
At present, most of Ta-Nb ores are processed by use of gravity concentration, with which the recovery of fine-grained Ta-Nb mineral is very low.
研究了707阴离子交换树脂从草酸溶液中吸附铌草酸配合物的特性。
The adsorption properties of niobium oxalate complex in oxalic acid solution with 707 anion exchange resin have been investigated.
铌铁生产的地缘不平衡性和供给的高度垄断性以及资源充足、供大于求、价格相对稳定是世界铌铁供求的两大特点。
In FeNb production, unevenness of geography, high monopoly of supply and sufficient resources, supply exceeding demand, relatively stable price are two big characteristics of world FeNb supply-demand.
本文在研究苏州花岗岩中铌铁矿的基础上，首次在该地区发现了钽铁矿。
On the basis of detailed studies on columbite from the Suzhou granite, tantalite has been found for the first time in this granite.
本文在研究苏州花岗岩中铌铁矿的基础上，首次在该地区发现了钽铁矿。
On the basis of detailed studies on columbite from the Suzhou granite, tantalite has been found for the first time in this granite.
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