查询词典 Zr

In the toped and untoped tobacco when applied with hormone, both content of IAA and GA3 increased but others decreased in tobacco that treated with IAA and GA3; The content of ABA increased significantly but the content of IAA and GA3 decreased when applied with ABA.

打顶与不打顶喷施外源植物激素的处理中，IAA和GA_3均可使叶和根中该激素含量提高，而其他激素含量下降；喷施ABA可以使烟株体内ABA明显增加，IAA和GA_3含量下降，ZR略有增加，但增幅不大。

The oxidation-deoxidization between Al and ZrO2 or Y2O3 is one of the mechanisms of high temperature oxidation failure of TBCs. The failure under thermal shock results from the formation of cracks normal to the bond/top coat interface, due to the different coefficients of thermal expansion between bond coat and top coat and the temperature change.

底层与面层之间界面存在的部分Zro，或YZO3被A1还原生成Zr或Y，A1被氧化形成A1203的反应是热障涂层高温氧化失效的原因之一；热震失效的主要原因是由于底层与面层之间热膨胀系数的差异而产生的剪应力与喷涂时产生的内应力之和导致面层产生裂纹。

In order to improve the conductivity and abrasive resistance of copper-graphite composite brush,influence of carbon fiber content on the electrical wear behaviors of the copper-graphite brush were investigated under two conditions of electrifying and non-electrifying.

结果表明，在试验条件下，在合金接触线-黄铜粉末冶金滑块系统的电磨损过程中，Cu-Cr-Zr合金接触线的电磨损率随电流强度升高显著加强，由加载较小电流引起的磨损份额为0。

Based on the analysis of organic geochemical characteristics, Inorganic geochemical exploration methods and nano-geochemical exploration methods were adopt to research geochemistry on the surface above the Xin Chang gas field,and it is discovered there is abnormity of trace element ,for example , Cu、Zn、Ni、V、Fe_2O_3、Ba、W、Sb、Ag、Y、Zr、La and Ba、Sr、Ti、Cu、Zn、Ni、Al、P、La series、Y、Co、W、Ag、Nb、Tl ect, showing the top effects and chimney effects,which is important to indicate gas reservoir.

本文以有机地球化学特征分析方法为基础，采用无机地球化学勘探方法和纳米级地球化学勘探方法对新场气田上方地表无机地球化学和纳米级地球化学特征进行综合研究，发现了无机微量元素铜、锌、镍、钒、三氧化二铁(Fe_2O_3)、钡、钨、锑、银、钇、锆、镧等及纳米级微量元素钡、锶、钛、铜、锌、镍、铝、磷、镧系除钷(Pm、钇、钴、钨、银、铌、铊等元素在气田上方异常特征呈现顶端效应或烟囱效应，该类元素对气田的勘探具有重要的指示意义。

Electron-Doping by Different Alkali Azides in Layer-Structured Crystals of β-MNCl M=Zr, Hf

篇名 不同碱金属叠氮化物对层状晶体β-MNCl电子掺杂的影响

The structural and electrochemical properties of the non-stoichiometric TiV-based hydrogen storage electrode alloys〓(x= 2～6) have been studied systematically.

对Zr替代Ti时钛钒基贮氢电极合金〓（x=0.2～0.5）的结构和电化学性能进行了系统的研究。

ABSTRACT The microstructure and the relationship between the microstructures and electrochemical properties both for Zr-based AB〓 type Lav...

本文首先对AB〓型锆基Laves相合金和AB〓型混合稀土系合金的微结构特点及微结构对合金的电化学性能的影响进行了全面综述。

Most of Zr replaced Ti in silicides, which could be quantitatively expressed as 〓.

Hf对提高Ti-Si共晶合金力学性能的作用不大。

Firstly, the diffusion of oxygen atom from the SFCC to SHCP on Zr(0001) surface is calculated. The active energy for the diffusion is 0.77eV. Secondly, the diffusion of oxygen atom from the SFCC to Octa(2,3) via Octa(1,2) is calculated too. There are 2 energy barriers for oxygen atom to overcome, the active energies are 2.14eV and 2.57eV.

我们首先计算了氧原子从稳定的表面面心立方位置向表面六角密排位置的扩散，其扩散激活能为0.77eV；然后计算了氧原子从稳定的SFCC位置扩散到表面下第1层与第2层之间的八面体间隙Octa(1，2)位置，然后继续向表面下第2层与第3层之间的八面体间隙Octa(2，3)位置扩散，在此过程中氧原子需克服2个能垒，其激活能分别为2.14eV和2.57eV。

Using this method, ten binary nitrides of metals, from active metals to transition metals, are successfully prepared under different conditions.

通过选择不同的反应条件，用该方法合成了从活泼金属（如Li、Mg、La、Ce和Al）到过渡金属（如Ti、Zr、V、Nb和Cr）等10种二元氮化物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。