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- Below 60km, ionization is not due to the sun's ultraviolet and x radiation primarily, but to cosmic radiation. 在60公里以下，电离主要不是由于太阳紫外线和X辐射，而是由于宇宙辐射引起的。
- The resistivity of some of the insulating materials mentioned above is temporarily impaired by exposure to a few thousand roentgens of X radiation. 上述的某些绝缘材料在受到几千伦琴的x辐射照射后，其电阻率会出现暂时性的减少。
- According to the radiation characteristic of plasma,the radiation spectra of the APGD plasma have been acquired by Sp-750i grating spectrograph. 根据等离子体具有辐射特性,用光栅单色仪对沿面APGD光辐射特性进行测试,获其辐射光谱;
- Firstly, the impedance and radiation characteristic of a microstrip-fed rectangular-slot antenna are analyzed and the obtained numerical results accord with those in literatures. 首先对微带馈电矩形缝隙天线阻抗特性和辐射特性进行了分析，所得数值结果与有关文献结果一致。
- Electromagnetic scattering and radiation characteristic of large conductor object with arbitrary composition are analysed by fast multipole method (FMM). 摘要用快速多极算法分析具有任意线、面、体组合的电大尺寸理想导体目标的电磁散射和辐射特性。
- An algorithm program is developed and tested in the message passing interface (MPI) environment on a cluster system, and the radiation characteristic of the antenna-radome system is calculated. 开发并在集群系统中实测了基于消息传递并行编程环境(MPI)的并行程序，作为应用计算了某弹载天线-罩系统远场辐射特性。
- B ultrasound or X radiate revealed residnal calculus in 6 patients, the diameters were less than 0.6cm. 40例术后2个月~1年内复查B超或X线;6例残留小结石;直径均<0.;6cm。
- And draw in the low-frequency range, the impact of internal air over the external shell’s acoustic radiation characteristic is very small.The effect of the internal air can be neglected. 3. 得出在低频范围内，内部空气对壳体外部声场声辐射特性的影响很小，可忽略内部空气的影响。
- The radiation characteristic of a single antenna is analyzed by using the theory of microwave network,and the scattering matrix equation of coupling system of near-field antenna is obtained. 依据微波网络理论对单个天线的空间辐射特性进行了分析,并得到近场耦合系统的散射矩阵方程,依此得出结论是只要探头特性已知,探头只需两次正交极化的测量就可确定天线的辐射特性。
- The radiation characteristics of both discrete-element line arrays and continuous line arrays are introduced. 摘要介绍了离散扬声器阵列和连续扬声器阵列的基本辐射特性。
- Keywords vomit;mink;cisplatin;ondansetron;apomorphine;X radiation; 呕吐;水貂;顺铂;昂丹司琼;阿朴吗啡;X射线;
- The backfire characteristics of a monofilar helix and the radiation characteristic of the paraboloidal reflector antenna with a backfire helical feed operating at C band are studied. 研究了C波段单线背射螺旋的背射特性及其作为抛物面馈源的辐射特性。
- Then, we investigate the dependence of radiation characteristics on the sizes and locations of air holes around the microcavity. 接著藉由调整微共振腔周围空气洞的大小或位置探讨其和辐射特性之间的关系。
- Study on Background Radiation Characteristic 天地背景辐射特性研究
- The results show that the annular array in different combination and excitation condition has radiation characteristics of monopole, dipole and quadrupole of acoustic logging. 实验结果表明，在不同组合和激励条件下，圆弧阵具有声波测并的单极子、偶极子和四极子声源的辐射特征。
- In this paper, the horizontal radiation characteristics of dipole and loop antennas adjaeent to a rectangular cylinder reflector are calculated by the application of GTD. 本文用几何绕射理论分析计算了矩形反射柱体近旁偶极子和双环天线的水平辐射特性。
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- Finally, the control laws of the infrared radiation characteristics of the different aircraft components on skin temperature and emissivity were obtained. 最后，改变飞行器各主要部件的表面温度和发射率，获得了对飞行器水平方向上总的红外辐射特征的影响和控制规律。
- Vibration transmission and underwater acoustic radiation characteristics experiment of floating raft system has an important technical application prospect. 对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。
