立方

The dominant phase is cubic with slight phase of tetragonal at this temperature.

在这个温度下得到的晶粒主要是立方相，并含有少量的四方相。

The phase made up of iron-carbon with a body-centered tetragonal structure is called martensite.

铁和碳以碳在体心立方晶格中过饱和的方式组成的相称之为马氏体。

These compounds have particularly simple structures.1,3 The unit cell is primitive cubic, with metal ions at the cor- ners and the center, bridged by four cyanide anions to form an interpenetrating network of tetrahedrally connected tetra- hedra.

这些化合物有特别简单structures.1 3 晶胞是原始立方，与金属离子在心病净入学率和中心，桥由四氰化阴离子形成互穿网络连接四分四hedra 。

Structural model based on SAXS patterns and TEM images shows that the ordered mesostructure consists of 8 large and 16 small caged pores, of which 8 large cages are arranged tetrahedrally on a diamond-like lattice.

第三章采用水溶性resol型酚醛树脂预聚体与反相三嵌段共聚物PPO-PEO-PPO R1PO_(53EO_(136)PO_(53)体系，通过溶剂挥发诱导自组装过程，首次合成出金刚石面心立方(Fd3m)结构的有序介孔碳材料。

Not only can the connection of thermodynamic properties at low temperature with that at high temperatures be realized, but also the calculated results agree with the experimental data more accurately.

研究结果表明：其计算结果不仅比修正前更加符合实验数据，而且与SGTE纯单质数据库完全对接，实现了对面心立方和液态Au在温度为0~3200 K时热力学性质的完整描述。

4The electrical double layer model, joining with the microstructure of CFRC,fractal electrical emission, electrothermal effect, thermoelectrical effect and electrical osmosis are used to analyze the mechanism of mechanoelectric effect and electromechanical effect of CFRC.

采用正交试验方法研究了不同配比分散剂对碳纤维在水泥基体中分散性的影响，得到了较佳分散剂配比，探讨了分散剂的作用机理和碳纤维长度分布规律；（2）研究了碳纤维水泥基复合材料中纤维掺量、水灰比、电极形式、载荷形式等对力电效应的影响，考察了CFRC力电效应的两种表现形式及在机敏混凝土结构上的应用；（3）研究了CFRC立方试块、CFRC梁和不含导电填料梁的电力效应，分析了电流大小、电流方向等与电致变形的关系；（4）根据界面电偶层模型，结合CFRC的微观结构，以及断裂电发射、电热效应、热电效应和电渗效应等分析了CFRC力电、电力效应的机理，阐明碳纤维的作用机制。

Some 75,000 years ago a super-eruption from the site of Lake Toba in Sumatra blasted out more than two hundred cubic miles of ash over an area of over a million square miles.

大约75000年前，位于苏门答腊岛的一超级火山发生火山大爆发，其奔发出来的200立方英里的火山灰足以覆盖了一百万平方英里。

HydroVac vacuum pumps cover a wide range of applications from 10 to 280 ACFM at vacuum to 29 inches of mercury (25 Torr).

HydroVac真空泵有广泛的应用范围，在29英寸的汞柱（25托）压强下流量从10-280立方英尺/分。

The modal approach is applied to simplify the pressure formulation in the cavity, which will reduce the total degree of freedom of the whole structure.

分析了多个面为弹性材料的立方腔体振动噪声的压电主动控制问题。

The nonlinear dynamic system with quadratic and cubic nonlinearities is obtained by applying mathematical transformation to the equation.

基於Karman方程的动态比拟，运用Galerkin法，选用合适的正交函数将控制薄板振动的偏微分方程离散化为常微分方程，得到一带有平方和立方非线性的参数激励和外激励联合作用的非线性动力学系统。

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。