铌

The results indicate that in Er3+-doped niobic tellurite glasses, proper amount of B2O3 can be used as a mo-difier to improve thermal stability and spectroscopic properties of Er3+ ions.

结果表明，在掺铒碲铌玻璃中，适量的B2O3能较好地提高玻璃的热稳定性能和Er3+离子的光谱性质。

Mo. Vanadium. Nb, etc. in order to adapt to different job requirements.

钼。钒。铌等以适应不同的工作要求。

Wolframite might crystalize at about 750℃. Independent minerals of Nb and Ta were not found under 800～600℃, 100× 10〓Pa and 0.64wt% F conditions, although Nb〓O〓 content might reach 1160×10〓 at 600℃.

随着岩浆温度从800℃降低到600℃，熔体中Nb〓O〓含量逐渐升高，600℃时Nb〓O〓含量可达1160×10〓，但在实验产物中仍然没有发现铌的独立矿物，更未发现钽的独立矿物。

Superconducting function: Niobium-titanium alloy demonstrates superconducting function of zero resistance when it is lower than critical temperature.

超导功能：铌-钛合金在温度低于临界温度时，呈现出零电阻的超导功能。

Manganese oxide and tantalum oxide are added to a piezoelectric ceramic composition based on lead zinc-niobate titanate zirconate.

向基于铌钛锆酸铅锌的一种压电陶瓷组合物中加入氧化锰和氧化钽。

A new approach by use of an electro-optic aperiodically poled lithium niobate is proposed to realize Q-switch operation of the simultaneous dual-wavelength laser.

利用PPMgO：LN晶体，获得了1571~1679nm范围内的宽带输出。5、提出了一种利用倾斜周期极化晶体非共线光学参量振荡产生宽带光源的新方法。6、提出了一种利用非周期极化铌酸锂晶体电光效应实现双波长激光器调Q的新方案。

Discussed element of the matrix in alloy of nickel radical high temperature through the experiment, advocate quantity element if the chromium, cobalt, tungsten, molybdenum, Tantalum, niobium, rhenium spectrum to spectral line of boracic ultimate analysis violates a condition, use matrix to match a law to undertake to matrix interference corrective, fixed appropriate analytic spectral line.

通过试验探索了镍基高温合金中基体元素，主量元素如铬、钴、钨、钼、钽、铌、铼等对硼元素分析谱线的光谱干扰情况，采用基体匹配法对基体干扰进行校正，确定了合适的分析谱线。

This article discussed the thermodynamic model and computing method of solid solution precipitation of ternary second-phase in steel, taking the Nb-V-Ti microalloying carbonitride as an example, and introduced its engineering application in the development of Ti-bearing carbonized gear steel product.

本文以铌、钒、钛的微合金碳氮化物为例讨论了钢中三元第二相平衡固溶的热力学模型与计算方法及其在含钛渗碳齿轮钢产品开发中的应用。

The microstructure evolution, precipitation behavior of carbonitride as microalloying element and its effects on deformation induced ferrite transformation of mild steels with various Nb, V content were investigated on a Gleeble 1500 thermechanical simulator through multi-pass thermo-compression in the temperature range of 820~790℃ to simulate the finish rolling process of plates.

在Gleeble 1500热模拟机上，通过820~790℃温度范围内的多道次热压缩变形模拟了中厚板的精轧工艺，考察了不同铌、钒含量的低碳钢的组织演变过程、微合金元素的碳氮化物的析出行为和对形变诱导铁素体相变的影响。

The content of Ti, Nb and Ta are colorimetrically determined by using H_2O_2, acetone-potassium sulfocyanate and pyrogallic acid respectively.

实验中采用了H_2O_2比色测定Ti，用丙酮-硫氰酸钾比色测定铌，用焦性没食子酸比色测定钽。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。