查询词典 Nb

Single-crystalline GaN nanowires have been synthesized on Si(111) substrates by magnetron sputtering through ammoniating the Ga2O3/Nb films at 900 °C in a quartz tube.

中文摘要：采用射频磁控溅射技术在硅衬底上制备Ga2O3/Nb薄膜，然后在900 °C下于流动的氨气中进行氨化制备GaN纳米线。

One-dimension GaN nanomaterials were fabricated on Si(111) substrates through ammoniating Ga2O3/Nb films deposited by ratio frequency magnetron sputtering system and direct current magnetron sputtering system respectively.

用直流磁控溅射系统和射频磁控溅射系统，分别在在硅衬底上先后沉积Nb薄膜和Ga2O3薄膜，接着在氨气气氛中退火制备一维GaN纳米材料。

The results shown that the β-Zr's forming in the electronic beam alloying cumbered the diffusing of oxygen, and it improved the corrosion resistance of zirconium alloys. After the Nb ion implanted in Zr-4, ZrO2 and NbN were formed, at the range of 1×10^17 to 3×10^17g/cm^2, with the dose increasing, the capability of corrosion resistance was improved.

结果发现：电子束合金化后形成的β-Zr相阻碍了氧的扩散，提高了合金耐蚀能力；Nb离子注入合金后，注入层中生成了ZrO2和NbN，当注入剂量在1×10^17~3×10^17个／平方分米范围内时，随着注入剂量的增加，耐腐蚀能力增强。

For Southwestern Margin of Aqikekule Lake ophiolite, their field geological, petrological, minerological, petrochemical and geochemical characteristics show that:① it outcropped as tectonic slices along the near west-to-east strike Kunzhong fault and is composed of metamorphic perodotties, cumulates and volcanic rocks, in which, chromites are distributed in the upper part of metamorphic peridotites as pods, or in the lower part of cumulates as near-strata;② metamorphic peridotites include serpentinites, chromite-bearing serpentinites, chlorite-epidote schists and chromitites, of which, chromitites have nodular and orbicular structure, and cumulates include pyroxenits, serpentinites, chromite-bearing serpentinites, chromites and metamorphically mafic rocks and only basalts are seen in volcanic rocks;③ Cr# of chromites suggest that they formed in the SSZ and Al〓O〓 and TiO〓 of metamorphic peridotites also suggest SSZ environment;④ metamorphic peridotites have V type and enriched LREE patterns, cumulates have from strongly depleted LREE, flat REE to enriched LREE patterns with universally striking positive Eu anomalies and basalts show flat REE or slight enriched LREE patterns with no Eu anomalies;⑤ trace element and Sm-Nd isotope characteristics of metamorphic peridotites imply their strikingly heterogeneous mantle character ε〓(t+4.39～+26.20 and later Nb, Ta fertilization;⑥ trace element characteristics of basalts and their tectonic diagrams show they probably formed in the rifted island arc or back-arc basin environment.

对阿其克库勒湖西南缘蛇绿岩，野外地质、岩石学、矿物学、岩石化学以及地球化学等特征表明：①该蛇绿岩以近东西向、沿昆中断裂呈构造岩片出露，由变质橄榄岩、堆晶岩和火山岩三个单元组成，其中见铬铁岩呈豆荚状产于变质橄榄岩的上部，或呈似层状产于堆晶岩的下部；②变质橄榄岩包括蛇纹岩、含铬铁矿蛇纹岩、绿帘绿泥片岩和铬铁岩等类型，其中，豆荚状铬铁矿具有结核状构造和球状构造，堆晶岩包括辉石岩、蛇纹岩、含铬铁矿蛇纹岩、铬铁岩和变质基性岩等类型，火山岩仅见玄武岩；③铬铁矿的Cr#表明其形成在俯冲带，变质橄榄岩的Al〓O〓和TiO〓成分也指示了SSZ环境；④变质橄榄岩的稀土配分型式见V型和LREE富集型两种型式，堆晶岩表现出从LREE强烈亏损、REE平坦分布到LREE富集的配分特征，并且普遍具有醒目的正Eu异常，玄武岩的稀土配分型式表现为平坦型或LREE略富集，无Eu异常；⑤变质橄榄岩的微量元素及Sm-Nd同位素特征指示了其地幔的显著不均一性ε〓(t为+4.39～+26.20以及Nb、Ta在后期的富集；⑥玄武岩的微量元素特征及构造图解表明其可能形成在裂谷岛弧或不成熟的弧后盆地环境。

Freeze-injured Escherichia coil at -20℃ can be recovered and the best recovery method is incubating it in NB for 2 h at 37℃.

-20℃冷冻大肠杆菌的损伤是可以修复的，在NB中37℃培养2h是其最佳修复条件。

Shandong have nothing to NB, only the national flower of Shandong is the home of peonies!

山东没什么可NB的，只是山东有国花牡丹的故乡而已！

It was discovered that proper amount of Nb could markedly increase the resistivity, and the problem of poling was solved.

实验中发现，适量的Nb掺杂可以显著提高BTO的电阻率，从而材料难极化的问题得以解决。

This suggests that Nb and Ti were mutually significantly soluble in the precipitates, as previously reported.

这建议Nb和钛是相互显著可溶解的在沉淀物，如早先报告。

The effect of Nb content on acid amount and strength of composite molecular sieves is not very much.

在实验范围内，Nb／Al比对复合介孔氧化物表面酸性的影响不大。

Based on the above findings, it could be concluded that:(1) berbamine could obviously inhibit the cell proliferation and induce apoptosis in four different kinds of leukemic cell lines (including K〓, Jurkat, NB〓, HL〓 cells) in a time-and-concentration-dependent manner in vitro.

综上所述，我们认为：(1)钙调素拮抗剂小檗胺在体外除对HL〓细胞外，还对其它3种不同类型的白血病细胞株(K〓、Jurkat、NB〓)细胞具有明显的增殖抑制作用及明确的诱导凋亡作用，并呈时间-浓度依赖关系，诱导细胞凋亡可能是其抑制白血病细胞增殖的主要方式之一。

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。