查询词典 beam-focusing

By comparison between SMM HXRBS observation and ground observation of Hα and CaIIK lines, especially through the combined study between SMM HXRBS observation and chromospheric flare models, the results show that: in the initial stage of impulsive phase, there is a correlative relation betweem Hα line intensity and hard X-ray emission; different spike in hard X-ray flux curve represents the burst at different location; the energy taken by non-thermal electron beam is larger than the radiative loss in chromosphere; for the flare studied here, the chromospheric evapporation is explosive; if the chromosphere is in balance between electron beam bombardment and radiative loss, the column mass density at the top of chromospheric flare model can not be taken as measure from the source of electrons and then the total material between the source of electrons and the top of chromosphere can be estimated.

通过一个具体耀斑的SMM HXRBS观测结果与同时基于地面得到的Hα和CaⅡK可见光谱观测结果对比，特别是将硬x谱观测结果与色球半经验模型联立研究，结果显示出：在脉冲相上升段，硬x发射与Hα辐射之间存在对应关系；硬x线光变曲线中不同脉冲爆发分量不太可能起源于同一位置；硬x辐射所反映的高能非热电子总携带能量大于色球总辐射损失；对所研究的耀斑而言，其色球蒸发过程是爆发性的；在详细比较了非热电子色球总沉积和色球辐射损失的基础上，指出半经验模型中色球顶部柱数密度不能看成是从非热电子源度量的，从而估计了色球顶部到非热电子源之间的总物质。

Methods In order to realize portability for high-frequency argon-beam coagulatory devices, several high technologies were applied, including microelectronic technology, MCU automatic control technology, new technology of program-controlled high-frequency power switch and technology of argon-beam control for pressure and flow stability.

采用微电子技术、单片机自动控制技术、程控高频开关电源新技术及氩气稳压稳流控制技术，多项高新技术应用于氩束凝固止血器，实现了氩气高频止血设备便携小型化。

Laser beams can be coaxially coupled into one beam with high combination efficiency and perfect beam quality.

提出了一种基于主振荡能量放大结构的偏振光术合成系统，分析了单元合成效率和系统合成效率。

The beam characteristics of semiconductor laser are studied in the second chapter and a foundation for the beam collimation system is set up.

本文首先在第二章对半导体激光器输出光束的性质进行研究，为准直系统的设计奠定基础。

Note that the procedures documented for composite beam design allow for designing a beam non－compositely.

注意到复合梁设计的文本是位于非复合梁设计的文本后面的。

Firstly, set rules for stacking and extract ray beam gathers from prestack seismic data. Secondly, dismiss the seismic traces that do not meet the cophasal stacking principle. Finally, stack the resulting ray beam gathers after performing dynamic correction and static correction.

首先制定叠加规则，抽取叠前地震数据射线束道集；然后根据同相叠加原理剔除不满足条件的地震道；最后将满足条件的射线束道集通过动校和静校进行叠加。

TEC part affected Gaussian beam waist radius,Coreless part worked on the space between beam waist and thin lens,and GRIN part acted as thin lens,in which focal length was determined by fiber index distribution parameter g.

推导了出射高斯光束的束腰半径和工作距离的解析表达式，进而对该光纤透镜做了数值模拟，讨论了无芯光纤和GRIN多模光纤的长度对光纤透镜参数的影响。

And this paper also shows the structure and parameters of the optical system. The Xenon light of super high voltage is used as interferential source. The position of it is on the focus of the reflector of ellipsoid surface. After reflecting, its lights form a collective point . This point and objective focus of collimation lens are superposition. Though the collimation lens, the beam of light become parallel lights. Then though the Coude Reflector and radiation system of special prism, the lights become a beam of light with 3 ° emanative angle.

该光学系统选用超高压氙灯作光源，使其位于椭球面反射镜的一个焦点上，发出的光线经椭球面反射后所形成的汇聚点与准直负透镜组的物方焦点重合，光束经准直系统后变为平行光束，此平行光束再经库德反射镜和特殊发散棱镜系统，形成具有3°发散角的发散光束，用来干扰敌方设备。

When the reference beam is incident on the phase grating, the system will diffract out the reference beam and reconstruct the central data part.

最后在读取资料光之光路上加入绕射光学元件，使资料光入射绕射光学元件后产生绕射偏折，利用影像侦测器撷取重建之资料讯号。

It is found that the design of reinforce-beam section dog-bone connection can transfer the yielding joint from flange welds to parent metal zone, which possesses better plasticity and avoid yielding joints in weak welds. This design also enables beam flanges to dissipate earthquake energy more effectuality and protects weak welds.

在弹性、弹塑性有限元分析的基础上，对狗骨式节点和翼缘增强狗骨式节点进行了承载能力对比分析，结果表明：翼缘增强狗骨式节点设计可以将梁柱翼缘焊缝的塑性铰有效的转移到塑性好的母材区域，避免了在薄弱的焊根部位形成塑性铰，保护了韧性较差的焊缝。

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