铌的

Also, it is heavily used for separating tin and tungsten ores. Besides, jigging method is introduced to handle gold,,tantalum, columbium, titanium, zirconium and chrome bearing primary ores and to separate placer with desirable results achieved.

对于金属矿石，是处理粗、中、细粒铁矿、锰矿的主要方法之一，并大量用于选别锡、钨矿石；跳汰法在处理含金，钽铌、钛、锆、铬的原生矿石和砂石的选别亦能获得良好效果。

For example, quartz crystal microbalance has been the most extensively used in mass sensing devices.

如石英晶体微天平被运用在感测质量的微量变化，利用铌酸锂晶体制作的表面声波元件被运用在感测温度的微量变化。

The present and several new reduction process of niobium and tantalum powder were reviewed.

综述了铌粉和钽粉的现行生产工艺及几种新的还原方法，介绍了金属热还原反应中的电化学反应机理。

The dissertation is devoted to the study of polarizability of niobium cluster and hyperpolarizability of organic molecular-C50Cl10 from first principle.

本论文的主要内容是通过第一原理来研究铌团簇的极化率和有机分子C_(50)Cl_(10)的高阶极化率。

The results of experiments show that use of steady and dynamic combined aging method can improve reliability of niobium capacitor, thereby meeting the requirements of industrial applications.

采用静态老化与动态老化相结合的老化方法，可以进一步提高片式铌电容器产品的可靠性，满足工业化应用的要求。

Details of the measurement method and of the related calibration techniques are reported. Results of the normal spectral emissivity of niobium at 633, 753, 827, and 905 nm from room temperature to its melting point are presented.

文中详细介绍了测量方法和测量装置的各组成部分及其工作原理，给出了利用该方法测得的铌在633，753，827和905nm波长下的法向光谱发射率结果，测量不确定度在5%以内。

The constitutional supercooling and internal growth striation in the SNLN crystals have been overcome and the optical homogeneity of the crystals have been improved by employing optimum growth co...

采用最佳的生长和工艺条件克服了铌酸锶钠锂晶体的组分过冷和内部生长条纹，提高了晶体的光学均匀性。

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。

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。

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。

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。