查询词典 ellipsoidal

It is proved the point-explosion spherical shock wave is a special case of the ellipsoidal wave in theory and by experiment.

论证了点源球面冲击波是旋转椭球面冲击波的特例。

Seeds 2, or 1 with 1 sterile locule, yellow-brown, dark castaneous, or black, ovoid, globose, or ellipsoidal, glabrous or piliferous, strophiolate or not, with or without endosperm, sometimes with an appendage at end opposite to strophiole.

种子2，或者由于1室不育而仅有1个种子，黄棕色，深栗色，或者黑色，卵球形，球状，或者椭圆体，无毛或者具毛，具种阜或无，有或无内胚乳，有时种阜对面有一个附属物。

Character 2 discusses seismic moment tensor representation of explosions in ellipsoidal cavities and their far-field radiation patterns.

第二章讨论了一般形状的椭球腔中的爆炸的地震矩张量表示及其在远场的地震波辐射图案。

By this approach the seismic moment tensor representation for explosions in ellipsoidal cavities and their seismic radiation patterns in the far field is obtained analytically.

应用这一方法作者首次求出了一般形状的椭球腔中的爆炸的地震矩张量的解析表达式及其远场地震波辐射图案。

This dissertation discusses four problems that have relations with these topics. These problems are, i seismic moment tensor representation for explosions in ellipsoidal cavities and their seismic radiation patterns in the farfield; ii seismic waves from point sources in transversely isotropic media; iii yield-estimation by mb or mb for Chinese underground nuclear explosions and, iv simultaneously inversion for source parameters of underground nuclear explosions and parameters of apparent Lg Q for paths from source to stations.

本文讨论与此课题有关的椭球腔中的爆炸的地震矩张量表示及地震波辐射图案，各向异性介质中的点源激发的弹性波，由Lg波震级或Lg尾波震级估算地下核爆炸当量，由Lg波位移谱反演地下核爆炸震源参数及相关路径的Lg波视衰减参数等四个方面的问题。

The results showed the cultural and morphological characteristics and the bands of DNA RAPD of the ellipsoidal single conidial strains were no much differences from those of cylindrical single conidial strains.

结果表明，在形态学上两种孢子单孢子株之间的培养特征和显微特征均无明显差异，同时具有相同的DNA随机扩增片段电泳谱。

The semi-ellipsoidal surface will be replaced by a hemispheroidal surface in the next device design. The required surface roughness of the metallic parts should be as low as ＝0.05μm.

下一阶段的人工椎间盘将以半球形面取代半椭圆球面设计，并且需提出加工制造与抛光处理流程，要求表面粗糙度达到＝0.05μm以下，使表面间有较平顺的接触行为。

The system consists of a sphere-ellipsoidal reflector, a hyperboloidal reflector and a tilted light pipe.

提出了一种新型离轴照明系统，它由一个半球-椭球型反射镜、一个双曲面反射镜和一个倾斜的匀光杆组成。

In aim at the complicity and high-dimensional state-space for the controlled system, it simplifies the calculation of geometric polytope by optimize with ellipsoidal approximate techniques, and the robust control effectiveness near to the optimal.

本论文所提示的基于几何理论的约束非线性控制算法是建立在最大输出允许集合的基础上，运用状态空间的有界子集表达鲁棒时优离散时间控制问题的价值函数，通过逆序计算该价值函数的水平集合，求得其所需的控制量，针对被控系统的复杂性及高维状态空间问题，运用椭球近似技术予以优化，使得几何多面体的计算得以简化，且鲁棒控制效果接近最优。

The preparation of three different shapes a-Fe2O3 nano-particles by means of force hydrolyzation was discussed in this paper. By controlling the experimental conditions (Fe3+ concentration, acidity, reaction time, reaction temperature etc.), the particles with different shapes (ellipsoidal, pseudocubic, sphere) were obtained.

本论文采用强迫水解法制备了三种不同形貌的α-Fe_2O_3水溶胶，通过对反应条件Fe~(3+浓度、酸度、反应温度、反应时间等的控制获得了不同形貌(椭球形、球形、准立方体形)和粒径的α-Fe_2O_3，并利用浸渍—提拉法制备了α-Fe_2O_3纳米粒子薄膜。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。