截面

Lu J. Acoustic computer tomgraphic pyrometry for two-dimensional measurement of gases taking into account the effect of refraction of sound wave paths .

田丰，孙小平，邓福军，邵富群，王福利。声学法电站锅炉温度场重建算法的研究与比较。量子电子学报， 2003， 20(5)： 607～612薛飞，黄国权，李晓东等。CCD计测量燃烧室截面温度场的原理研究。

Comparing with the traditional theory, the application scope was extended and it can be used to analyze quadrate hole and others.

与圆孔扩张理论相比，可以推广进行其他截面形式的桩扩孔的分析研究，从而扩大了其应用范围。

In this way,the increase of X quanta will lead to a error of the K shell ionization cross sections.

当靶的厚度增加到一定程度时，会使X光量子数增加，最终导致K壳层电离截面的实验误差。

Quantum chemistry method was used to calculate the geometry structure of heavy oil character molecule .

采用量子化学方法计算得到重油特征分子的几何结构，提出了用量子化学方法计算重油特征分子的最小横截面直径和描述分子尺寸的方法。

Discrete absorption cross-section is directly correlated with the number of quantum excitated from base state.

离散吸收截面峰值与从基态迁移到激发态的量子数目直接相关。

Effects of Coriolis force were analyzed with the three dimensional simulations and the following conclusions were drawn: The tangential component of Coriolis force induces cross stream secondary flow in the form of two-cell pattern,while the radial component of Coriolis force decelerates and accelerates the cent...

计算结果表明，切向哥氏力推动了通道截面内的双涡二次流，径向哥氏力则使得近侧壁流体加速和中心流体减速。换热计算结果从定性趋势上吻合公开文献中的实验现象，反映了旋转附加力的基本影响规律。

The gel dynamics experiments showed that the gel formation law was similar with the other polymer systems, which wasrelated with dense surface under the soft coagulating condition and the thickening gel; the square of gel thickness was linear with coagulation time. The qualitative analysis of the surface puckers of fibers spun from wet spinning and dry-jet wet spinning was made. The positions where the die swell appeared were not the same and the die swell appeared at the air gap where the fiber would markedly been elongated and vary little in the coagulant, thus the surface of fiber spun from dry-jet wet spinning was more smooth. The radial component concentration gradient was responsible for the radial structure of PAN fiber spun from dry-jet wet spinning. The thicker surface with microvoid structure of

对湿纺和干湿纺进行比较表层沟槽的产生进行定性分析，原因在于孔口胀大区域出现在不同位置，在干湿纺中，溶液的孔口胀大出现在空气层，并在该区完成大部分形变，进入凝固浴后形变很小，纤维表面较为光滑；干湿纺PAN纤维径向结构存在差异，这与丝条内组分由于双扩散进行导致径向上存在浓度差异直接相关；凝固强度较大的体系，可以获得厚度较大且孔结构尺寸较小的皮层；含较少缠结的PAN原液在纤维成形后截面很圆整，但原液缠结浓度增大时成形后圆整度下降；PAN纤维成形是一个远离平衡的过程，凝固作用缓和的体系可以使成形过程靠近平衡，可获得更大尺寸的孔洞结构；原液中少量的非溶剂添加剂显著改变纤维径向结构，可获得孔洞尺寸更小和更为均一的径向结构，这与径向浓度差异的减小、分相时间的集中相关；PAN原液的成形纤维表面依赖于凝固强度；由AFM对相近凝固条件下成形的PAN膜进下

Another is the study of nuclear radii of light exoticnuclei and measurement of the total reaction cross sections.

第二部分是关于轻奇异核反应总截面的测量和核半径的提取。

The result of the calculation indicates that there are a rather sectional rigidities of arch rib , cross beam and radio of width-long ,the dead load of arch will much bigger than the vehicle load and wind load in operation, and the in-plane stability will larger than the out-plane stability and the in-plane stability is the main factor controlling of design.

通过有限元理论计算结果表明，当采用截面刚度较大的拱肋、风撑以及较大的宽跨比时，拱桥结构的自重将远远大于运营时的车辆荷载和风荷载，拱桥面外稳定高于面内稳定，拱桥的面内稳定将控制设计。

Based on this result, neutral axle and curvature radius of different section is developed.

应力理论由轴向力的平衡得出积分，在此基础上推导出曲杆不同的截面的中性轴，曲率半径。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷