查询词典 Nb

Second phase strengthening theory and carbon depletion in solid solution matrix Here the second phase includes pure carbides and complex carbides which nucleated on oxides in the deposited metal.

在Fe基熔体中，TiC、NbC比ZrC更易于由液态金属中析出，Nb、Ti在800℃以上几乎全部形成碳化物；而VC的液态析出需要极高的浓度条件，但VC在800℃以下的二次析出作用明显。

As a whole, the rocks from diorite enclaves, through quartz-diorite, granodiorite to monzonitic granite, have the feature of REE slightly increasing, Eu from weakly positive transits to negative anomaly, but the diorite enclaves which has Eu negative anomaly. Besides, the Ba, Nb, Ta, P and Ti all show negative anomaly, and have positive anomalies of K and Th, simultaneously, there exists Sr positive anomaly in some rocks. Along with the increasing of the SiO〓, the P and Ti have negative anomaly, Th and K positive anomaly are obvious.

张广才岭中生代不同时期的花岗岩具有相同的Sr、Nd同位素特征，均具有高ε〓值、低，值的突出特点，ε〓值集中在-2～+4之间，〓值主要集中在0.703～0.706之间。

N6 medium, MS medium and BN medium were adopted in tissue culture of Nipponbare Scutellum for performance comparison.

采用B6、MS和NB三种培养基，以粳稻品种日本晴的成熟胚为受体材料进行组织培养，比较了三种培养基的效果。

This is the selenide which possesses the largest Metal/Non-metal ratio in ternary layered Nb/Ta selenides found so far.

〓 这是迄今得到的金属含量最高的三组元层状铌、钽硒化物。

Methods: Expression of TrkA, TrkB and VEGF mRNA was semiquantitatively detected by reverse transcription-polymerase chain reaction in 51 cases of neuroblastomas.

采用逆转录聚合酶链反应法半定量检测51例NB肿瘤中TrkA ，TrkB及VEGF mRNA的表达。

The major injuries were only a big scratch on my arm and left side and a bit of bruising.

我从5米高的地方摔下来，背部着地却没什么大事，只是有些瘀伤，太NB了！

A 300-Year Error-----Three-Hundred-Year Devil's DEN on NB of SNB, Two Decrypting Equation Books of 《 The Laws (ISBN1442131241)》 and 《 The Laws Plus (ISBN144213285X)》; A Three-Hundred-Year Error's Decryption, The Sword of the Third Signorino—Nostradamus' Sword of Great Seven Number that Makes the Global 6.5 Billions People Be Not Any More Buried Alive by the Earthquake in the World; Ali Baba and the Forty Thieves Open Simsim to the Sun and Moon Treasure House of the God to Get the Heaven's Nuclear Cimelia: Nuclear Les Trois Mousquetaires and Big Three's Triumvirate Carry out Three Nuclear Controls and Monitors to Make the Global 6.5 Billions People No Longer Lie Under Big Deathful Nuclear Radiation Here and There

全球拉响核警报：核泄露、核块熔化，全球15%以上核弹参与，同时大面积污染土壤和水资源，全球80%以上的人遭受严重核放射性照射辐射一个300年的错误；两本解密方程书《 The Laws (ISBN1442131241)》和《 The Laws Plus (ISBN144213285X)》；三百年错误的纠正令全世界65亿人从此不用再被地震无情活埋和被海啸无望吞噬；核三剑客令全世界65亿人从此不用再遭受致命核辐射

Oxidation-resistant silicide coatings on an Nb-based alloy were prepared by pack cementation technique. The holding temperatures were 1 050, 1 150 and 1 250 ℃ and the holding time were 2, 5, 10, 15 and 20 h, respectively.

摘 要：利用包埋渗法在铌基合金上制备抗氧化硅化物涂层，渗硅温度分别为1 050、1 150和1 250 ℃，渗硅时间分别为2、5、10、15和20 h。

Both of the bare Nb silicide based alloy and coated sample were oxidized in an oxidizing furnace at 1250℃ for 5, 10, 20, 50 and 100h respectively.

电弧熔炼态试样和渗硅试样的氧化实验在高温拉伸氧化炉中进行，氧化温度为1250℃，氧化时间分别为5、10、20、50和100h。

Soupspoon: desserts, cereal, soup.Teaspoon: coffee, tea, fruits, some desserts.

天津最大最nb的影楼，不要说你还不知道是那家，拍婚纱千万不要错过！！！

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。