查询词典 metallic bond

The formation situation of the band for transition metallic carbonyl cluster compounds is analysed with the bond valence formula for atomic cluster compounds.

本文运用原子簇化合物键价计算公式，对过渡金属羰基簇合物成键情况进行了分析，利用金属键轨道数，价非键轨道数和金属配体成键轨道数计算簇合物价轨道总数。

Calculated band structure,and state density shows that the compound is metallic. However,there is an apparent covalent feature of the Ti-H bond.

计算得到的能带结构和态密度表明该化合物具有金属性的特点，但是Ti—H键有明显的共价键特征。

Objective The factors affecting bond strength between metallic orthodontic bracket and tooth surface were studied.

目的 体外评价金属网底托槽与牙面间的粘结强度，研究其影响因素。

Based on the ability of neural network in classification and recognization, a feed-forward multi-layer neural network is applied in the diagnosis of adhesive bond quality between metallic and nonmetallic components of a pressure vessel through acoustic feature extraction in the frequency domain, based upon the acoustic response on knocking the pressure vessel.

本文基于神经网络对目标的识别与分类能力，用简单的敲击法获取了某压力容器的声响应信号，通过对声信号的频域特征提取，应用前馈多层神经网络对压力容器的金属与非金属部件之间的粘接质量进行了诊断。

The most studies on ultrasonic nondestructive testing detection laid particular were qualitative, so the authors put forward a quantitative detection method of adhesive bond quality between metallic and nonmetallic components based on the neural networks.

根据超声无损检测中偏重于定性研究的现状，提出一种基于神经网络的金属与非金属材料粘接质量的定量检测方法。

FTIR and SEM analyses indicated that crosslinking reaction between Zn2 and NBR might occured during the curing process,and metallic bridge bond between them was formed.

傅里叶变换红外光谱和扫描电镜分析表明，在硫化过程中，Zn2与NBR发生了接枝和共交联反应，形成离子键桥键。

In theoretical analysis, both of 1/f noise and these failure can be attributed to the same defects, such as oxid traps, dislocation and metallic impurity in p-n junction, and weak-bond states near Si/SiO〓 interface etc.

理论分析表明，1/f噪声与这些失效模式可归因于相同的潜在缺陷，如氧化层陷阱、p-n结耗尽区内的位错和重金属杂质、Si-SiO〓界面附近的弱结合键态等。

When referring to a metallic cable, a process of covering with a metal (usually achieved by pressure rolling, extruding, drawing, or swaging) until a bond is achieved.

当我们提到金属电缆时，通常是指在电缆表面覆盖金属物质（通常通过压力旋转、挤压、拉伸或悬垂），直到结合物形成的过程。

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。