查询词典 aspect ratio

The evolution of strain energy with the aspect ratio (length/width) of the epitaxial structures was found to be affected by the height, the elastic constant of the substrates and the epilayers, and the symmetry of the lattice mismatch of these structures.

我们发现磊晶结构应变能随长宽比变化的方式将受到结构的高度、磊晶薄膜和基板的弹性系数、及晶格的对称性所影响。

The aerodynamics characteristic of the innovative control surfaces which are implemented on the flying wing aircraft with large aspect ratio were introduced, and elevon and split rudder were involved. And the control effects on three axis were analyzed basing on computetional fluid dynamics method. The concept of control volume was imported to introduce parameters-based method of control surfaces design. The control effect requirements of the control surfaces were also evaluated. The original design of certain aircraft's control surfaces was modified.

介绍了在该新布局飞机上采用的升降副翼和开裂式方向舵等新型操纵面的气动特点，并在计算空气动力学的基础上分析了其三轴控制效率，引进舵容量的概念提出了操纵面的参数化设计方法，基于飞机的可控性对各新型操纵面的操纵效率需求进行了评估，最终对某型飞机的操纵面初步设计进行了修正。

CNT emitter has larger emission current than silicon-based emitter due to its high aspect ratio geometry. The results show that emission mechanism follows the Fowler-Norheim law.

从模拟结果我们可以看出场发射机制确实有遵守Fowler-Norheim规则，奈米碳管和矽基场发射器之间的差异，主要是奈米碳管其高深宽比的几何形状所导致较大表面电场会喷出较大的电流。

Equiareal ZnO naorods with high orientation and a high aspect ratio on ZnO-coated seed substrates were fabricated from the Zn(NO3)2/NaOH supersaturated solutions; the mechanisms without and with electrical field were discussed based on the phase stability diagram for solid ZnO and the oxidation of OHˉ.

本文采用过饱和硝酸锌/氢氧化钠溶液在ZnO晶种面上制备均匀一致，取向好，长径比大的ZnO纳米棒晶薄膜；用相平衡图和羟基氧化反应讨论了无电场和电场下ZnO薄膜的沉积机理；采用了SEM、XRD、TEM、HRTEM和UV-VIS表征了薄膜的相组成、结晶形貌和透光率。

The electroplated ferronickel shutter is suspended by a silicon spring The shutter is fabricated by the nonsilicon surface micromachining techniques. The planar coil is fabricated by high-aspect-ratio photolithography and mask-plating processes. And the silicon spring and the fiber alignment components are fabricated by the reactive ion etching and by the silicon anisotropic etching process.

电镀铁镍制作的挡光片被固定在一个硅弹簧上，该挡光片采用非硅表面微加工工艺制作，平面电感线圈利用高深宽比的光刻工艺和掩蔽电镀工艺制作，硅弹簧和光纤对准元件采用反应离子刻蚀和硅的各向异性腐蚀工艺制作。

Base on the Fluent software,the time-average N-S equation,RNG k-ε turbulence modeling,P1 radiant modeling and particle track modeling,example for boost motor PQM-1 of Titan 4,by using flow-solid coupling boundary condition,the 2D axial symmetry gaseity fluid modeling and two phase fluid modeling were founded and the influence of coagulate particle to the flame-spread process in large aspect ratio SRM ignition transient were analyzed.

0引言固体火箭发动机点火过程是点火燃气流动与火焰传播相互耦合的过程，即包括点火燃气流动、药柱加热、局部点燃、火焰传播、室压建立等复杂的非定常过程，其中火焰传播在点火瞬态过程中占有重要地位，是发动机点火延迟、压强峰值过高、断续燃烧和熄火的主要因素，因此国内

The results show that addition of niobium increases the aspect ratio of inclusion and results in decrease of HIC resistance.

结果发现：(1)提高铌含量会增加介在物的长宽比，不利於HIC的抵抗。

An approach by applying the capacitance-sensing principle to measure the interior vertical profile of a high aspect ratio micro part, such as a hole with 1.0mm diameter, is proposed and implemented.

本论文提出一新型、结构简化之电容感测式探针，配合自行开发的量测系统进行具有高深宽比特徵的微孔垂直轮廓量测。

This paper includes three different means that can get one-dimensional magnetite withdifferent aspect ratio.

本文用了三种不同的方法先后合成了具有不同纵横比的四氧化三铁一维纳米结构。

Other effects of lead-free solder paste demolding performance factors such as having a mesh size and aspect ratio.

其它感化无铅焊膏脱模本能机能的成分包含网孔尺寸和宽矮比。

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。