立方

A cube cut from iolite will look a violetish blue almost like sapphire from one side, clear as water from the other, and a honey yellow from the top.

一立方减iolite会就好了violetish蓝色蓝宝石一方来自其他明确如水、蜜黄色，从最高层。

A plausible charge distribution of Fe and Mo valence states is proposed, and the stability of the compounds is discussed. Polycrystalline samples of 〓(0.8≤x≤1. 5) are prepared by solid-state reaction at high temperature. The alteration of the relative content between Fe and Mo in 〓 exhibits a significant effect on the crystal structure and the ionic ordering of the compounds.

采用传统高温固相烧结反应法合成了非化学配比的双钙钛矿型〓系列化合物。X射线粉末衍射数据分析结果表明，非化学配比的双钙钛矿结构〓（0.8≤x≤1.5）系列化合物的晶体结构随着Fe含量x的变化在x=1.2附近有一个由四方14/mmm对称向立方Fm〓m对称的结构结构相变发生。

SEM experimental result proved that the particle size of ammonium iron blue was uniform and about 20 nm.

SEM实验表明，铵铁蓝颗粒大小均匀、粒径约为20nm；XRD实验表明，铵铁蓝具有与Fe4[Fe6]3相同的立方晶体结构。

SEM experimental result proved that the particle size of ammonium iron blue was uniform and about 20 nm. XRD experimental result showed that ammonium iron blue was the cubic crystal structure.

SEM实验表明，铵铁蓝颗粒大小均匀、粒径约为20 nm；XRD实验表明，铵铁蓝具有与Fe4[Fe6]3相同的立方晶体结构。

Based on the principle of double-layer wall sound insulating and porous absorption, a six cubic meter isolation booth is designed according to the characteristics of stored grain insect action sound.

基于双层墙隔声和多孔吸收原理，结合储粮害虫活动声的特征，设计了一种体积为6立方公尺的隔声室。

Of or relating to a crystalline form that has three equal axes at right angles to each other;isometric.

立方的属于或与具有三条互相垂的晶形体有关的；等量度的

Then formaldehyde attenuation curve which purification products reduce 5~10 times formaldehyde were tested, which has been tested at 1 m^3 environment deck according to experiment condition of eliminator standard GB/T18801-2002. Moreover, purification quantity per hour was computed by mathematics line integral surface. Results: The purification quantity which formaldehyde has been purificated by kieselguhr material was 1.44 mg/m^2h.

本研究选用了硅藻土和光催化两种原理空气净化材料，以室内空气常见的污染物甲醛为目标，参照国家空气净化器标准(GB/T18801-2002)中的实验条件，在1立方公尺环境测试舱内分别发生室内空气质量标准10倍的甲醛气体，测试净化产品对甲醛衰减曲线，运用数学曲线积分面积的计算模式来计算单位时间净化量。

At present, grinding is one of main machining methods in finish machining and semi-finish machining and grinding wheel is an important grinding tool in the process of grinding machining. Grinding wheel is usually mounted on surface grinding machine, external circular grinding machine and internal circular grinding machine, and can also be mounted on grinding wheel machine, knife grinder and universal cutter grinder for grinding of cutting tool.

专业生产各种规格的金刚石和立方氮化硼砂轮，专业顾问13715366652产品包括金刚石树脂砂轮，CBN树脂砂轮，金刚石电镀砂轮，金刚石青铜砂轮，陶瓷金刚石砂轮，磨削是目前半精加工和精加工的主要加工方法之一，砂轮则是磨削加工中重要磨具，砂轮一般安装在平面磨床、外圆磨床和内圆磨床上使用，也可安装在砂轮机磨刀机，万能磨刀机上刃磨刀具。

In the surface of the substrate the liquid crystal molecules parallel to the surface as a consequence of the surface potential. Adopting the Lebwohl Lasher model, the mole cular centers of mass are located at the sites of the simple cubic lattice with period boundary conditions.

在基板表面处，液晶薄层受到表面作用势的作用使液晶分子沿面平行排列，采用Lebwohl Lasher模型，将分子质心固定在简单立方晶格的格点上，并对此格点模型赋以周期性边界条件，然后将简立方格点模型分为平行于基板的20个分子薄层，得到各薄层的指向矢分布的数值结果。

The radial basis function model was built for the structural optimization based on the design parameters, which were obtained by the Latin square design of experiment.

以结构尺寸为设计变量，利用拉丁超立方试验设计方法选取样本点，建立径向基函数近似模型。

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。