NB的例句大全

Under the condition with stirring, dissolving quantity of pure Nb in Ti-Al alloy is related with melting time and temperature. Diffusion layer thickness and mass transport coefficient were calculated by Machlin model, and the relationship of dissolving quantity and time is obtained.

对于有电磁搅拌的过程，纯Nb在Ti-Al合金的溶解量与时间和温度有关，通过马奇林模型对扩散层厚度和扩散传质系数进行了计算，判断了溶解量与时间的关系。

Study is made of the preparation of niobium suboxide by Nb reduction of Nb_2O_5 through high energy ball milling.

对在高能球磨中用Nb还原Nb2O5制备新型电解电容器阳极材料低价铌氧化物工艺进行了研究。

In order to find new pegmatite Nb-Ta ore-deposit, it is very important practical-significances to ascertain the host structure characteristics and the relations between the tectonic epochs and ore-forming.

通过查明矿床的容矿构造特征以及构造期次与成矿的关系，对寻找新的铌钽伟晶岩矿床具有重要的实践意义。

Its large ion lithophile elements are enriched with obvious Nb, P and Ti negative anomaly and slight Th positive anomaly and low content of Sr.

大离子亲石元素富集，具明显的Nb、P、Ti负异常和弱的Th正异常，Sr含量较低；

They are relatively enriched in large ion lithophile elements ( Ba and Sr) and depleted in high field strength elements ( Nb, Ta, Zr and Hf).

富集大离子不相容元素（Ba，Sr），亏损高场强元素（Nb，Ta，Zr，Hf）；

The trace elements of the mafic dikes are characterized by relative enrichment of large ion lithophile elements and depletion of high field strength elements, and negative Nb and Ta and Ti anomaly.

微量元素相对富集大离子亲石元素，而亏损高场强元素，具有Nb、Ta和Ti异常。

Study on Temper Resistibility for V-Cr-Mo-Nb-W High Speed Steel

V-Cr-Mo-Nb-W高速钢回火抗力的研究

Study on Heat Treatment of Nb RE Microalloy Rail

铌稀土钢轨全长热处理研究

Effect of Thermomechanical Control Process on Structure of Nb-Ti Microalloy Steel for Automobile

控轧控冷对含Nb-Ti微合金汽车用钢组织的影响

Differentiation therapeusis of NB is a new method to tumor and provids favourable aid for clinical surgery. It has bright future owe to high efficiency, low toxicity and convenient application.

NB的诱导分化疗法作为一种新型的肿瘤治疗方式，以其高效、低毒、应用方便的特点，为临床手术提供了良好的辅助，为从根本上治愈恶性肿瘤展现了光明的发展前景。

Microstructure of Nb/ Mo Multi-layered Metal Composite After Thermal Exposure

不同热暴露状态下Nb/Mo多层金属复合材料微观特征分析

Influence of thermal cycle on impact toughness of HAZ of high-Nb pipeline steel

热循环对高铌管线钢焊接热影响区冲击韧性的影响

Hf-addition in alloy DZ_22 reduces the dendrite segregation of other elements and alters the relative content of alloying elements Ti, W, Nb and Cr in various phases.

在DZ22合金中加入铪，使元素的偏析减少，而且改变了Ti，W，Nb，Cr在各相中的相对含量。

Nb-doped Al_2O_3/ TiAl Composites Synthesized by In-situ Reaction Hot-pressing Processes

原位热压合成Nb掺杂Al2O3/TiAl复合材料

A tentative study on the oxidation of propane to acrylic acid ( AA) and acetic acid ( HAc) on Mo-V-Sb-Nb complex metal oxide ( CMO) was carried out by using stable fixed bed reactor in which the feed gas is supplied successively.

利用固定床稳态连续反应器，采用原料气连续进料，研究了Mo-V-Sb-Nb复合氧化物催化剂用于丙烷选择氧化制丙烯酸（AA）和乙酸（HAc）的效果。

Effect of Ti and Nb content on the mechanical properties of IF steel sheet

钛、铌添加量对超深冲IF钢板力学性能的影响

Research on heat treatment process of 65 Nb steel compound die for manufacturing

采用65Nb钢的C（63）侧架磨耗板复合冲模热处理工艺研究

Analysis and Study of Steel Plate with Nb Micro-alloying

Q345中板加Nb微合金化生产工艺分析与研究

The Nb state is expected to be the real solution.

并对真实解作出了预期。

Model of plastic deformation resistance of rolling low carbon steel with Nb steel

热轧低碳含铌双相钢的塑性变形抗力模型