查询词典 structure constant

The remote sensing equation for determining the profiles of the atmospheric temperature structure constant and wind have been derived by using the statistical characteristics of the fluctuated atmospheric microwave radiation.

推导出利用大气氧气微波辐射起伏统计特征，探测大气温度结构常数分布与风分布的遥感方程。

Physical reality can be seen as grounded in the numerical values of a handful of dimensionless constants, the best known of which are the fine structure constant and the ratio of the rest mass of the proton to the electron.

自然实在被视为基于少数无量纲常数的数值，其中最有名的常数是"精细结构常数"和"质子与电子静止质量的比率"。

We describe the results of a search for time variability of the fine structure constant using absorption systems in the spectra of distant quasars.

我们描述了用遥远的quasars谱的吸收系统测到的精细结构常数的时间变化的研究结果。

The results consist with normal characteristics of magnitude and tendency of refractive index structure constant varying with height, but there are differences among these places.

预报结果符合折射率结构常数随高度变化的量级和趋势的一般特征，但各地的廓线形状存在差异，简要分析了差异产生的原因。

The statistical characteristic of irradiance fluctuation and atmospheric refractive-index structure constant are analyzed.

实验中对光强起伏和到达角起伏进行了同步测量，分析了接收光强起伏的统计特性以及传输路径上大气折射率结构常数的特性。

Japan's agriculture because of its geographic, economic reasons are vulnerable industries, with the improvement of living standards, increase imports of agricultural products each year, the import structure constant adjustments.

日本的农业由于其地理、经济原因属于弱势产业，随着生活水平的提高，农产品进口逐年猛增，进口结构不断调整。

A support system with three swing_jibs for optical mirror , which was characterized by straightforward structure, constant stiffness and free thermal stress, was put forward.

提出了一种摆臂式三点光学镜面支撑系统，分析了其结构原理和工作性能，给出了实现的方法和制造工艺。

A detailed mathematical analysis of fluctuation index of the plane wave and spherical wave in different altitudes, the wind velocity near the earth and the structure constant of atmosphere near the earth were analyzed in light of the ITU-R model.

研究结果表明，斜程传输在弱起伏情况下，利用修正Rytov方法得到的结果与经典Rytov方法结果基本上是一致的。

At present, many tall buildings have been built in China because of the constant development of economy, a lot of large-scale civil buildings such as marketplace, office building, industrial building need long-span and heavy load structure. So the traditional prefabricate structure has been already unable to satisfy the constant increasing need because of the shortcomings of short-span and low intensity concrete. If we don"t change the performance of the former prefabricate structure, it will be very swift that the prefabricate structure will be eliminated. Besides, the commodity concrete"s high development, the technology of concrete pump sending popularization and the development of nobonded presterss technology accelerate the shrink of prefabricate structure.

当前，我国由于随着经济的不断发展，高层建筑大量兴起，很多大型民用建筑如商场、写字楼、工业厂房等楼面都需要大跨、重载的楼板结构，因此传统的预制板由于适合跨度小、混凝土强度低等一些缺点，已无法满足不断发展的需要，如不改进原有预制构件的材料性能，将很快被淘汰，而且由于商品混凝土的飞速发展、混凝土泵送技术的推广及无粘结预应力技术的发展更加速了预制构件的萎缩。

Since the contribution of the spin-orbital coupling interaction of the ligand to optical and electron paramagnetic resonance spectra can not be neglected, the optical and EPR spectra g factors g‖、g⊥ and hyperfine structure constant A‖、A⊥ of LiHSO4:VO2+ crystal are calculated from the high-order perturbation formulas on the basis of double-spin-orbital coupling model and crystal-field theory for 3d1 ion in tetragonal symmetry.

考虑到配体离子的自旋－轨道耦合作用对光谱和电子顺磁共振谱的贡献不可忽略，采用3d1离子在四角对称下基于双自旋－轨道耦合模型的高阶微扰公式和晶场理论公式，理论计算了LiHSO4：VO2+晶体的光谱和电子顺磁共振参量g因子g‖、g⊥和超精细结构常数A‖、A⊥。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。