查询词典 progressive wave

In this thesis, the research and the development of electromagnetic safety materials have been reviewed. On the basis of the theory of the electromagnetic field, the electromagnetic wave and the interaction between the materials and the electromagnetic wave, several kinds of new composites have been prepared by adopting new methods, electroless plating and a kind of method of Fe replacement chemical aggradation, and studied by advanced measuring and analyzing components.

对电磁防护材料的国内外研究现状进行了研究，从电磁场与电磁波理论及电磁波与材料之间的交互作用出发，采用新的思路和方法，采用化学镀和一种Fe置换化学沉积法制备了新型的电磁防护材料，并采用先进的测试分析手段研究了材料在2～18GHz电磁波频段范围的电磁波吸收性能和在100KHz～1.5GHz电磁波频段范围的电磁波屏蔽性能。

The shock wave is similar in general form to the blast wave in air, although it differs in detail.

这种冲击波的一般形式与空中爆震波相似，然而在细节方面却又不相同。

The Coaxial helical-groove slow-wave structure, an all-metal slow-wave circuit, has advantages of good heat dissipation and great size.

同轴螺旋槽慢波系统具有全金属结构，有大尺寸、散热性能好的特点。

An extended hyperbolic mild-slope equation, which can take such terms as wind input, bottom friction and nonlinearity of wave into account, here has been deduced into a parabolic one in the form of a series of governing equations described with complex amplitude. It became a complete wave model when integrated with corresponding physical and imaginary boundaries, and can be solved through the improved Crank-Nicholson or the well known Alternating Direction Implicit difference method, both of which can accelerate the convergent speed , expand limitation of the mathematical method and improve the quality of the solution.

本文基于综合考虑底摩阻、风能输入及非线性影响的推广双曲型缓坡方程，将其进行转换，产生一个演变方程，其复振幅控制方程为抛物线性，并采用ADI差分格式、改进的Crank-Nicholson格式及相应的物理和虚拟边界条件进行求解，以提高数值模拟的适用性、数值计算的稳定性、收敛速度及精度。

RESULTS:① No obvious sight defect was detected with the quantitative detection of automatic sight apparatus.② ECT cerebrospinal fluid imaging thought that proximal frontal sinus of right cerebral frontal lobe was the leakage, and the liquid glucose in nasal cavity was quantitatively confirmed to be cerebrospinal fluid.③ Cranial CT showed that cleft could be observed in bilateral frontal lobe and lateral ventricle, low-density gas shadow could be observed in cisterna ambiens, cortex of frontal bone was discontinuous, and bone matrix was trapped.④ ECG showed that right forehead and temple had irregular slow wave, and attack of θ wave. Brain topographic mapping showed that the δ power value of right forehead was increased.⑤ EPQ: The scores of extraversion-introversion, neuroticism, psychoticism and lie were 55, 55, 80 and 50 respectively;⑥ MMPI: The code showed a mode of 69/96, indicating that the brain organ tended to paranoid schizophrenia.

结果：①自动视野仪定量检测未发现明确视野缺损；②ECT脑脊液显像考虑右侧大脑额叶近额窦部为漏口；鼻腔液体糖定量证实是脑脊液；③头颅CT额叶及侧脑室双侧裂，环池见低密度气体影，额骨骨皮质不连续，骨质下陷；④脑电图右额、颞不规则慢波，有θ波发作；脑电地形图：右额δ功率值增高；⑤艾森克人格问卷：内外向分55、神经质分55，精神质分80，掩饰分50；⑥明尼苏达多相人格调查表：编码显示69/96模式，提示脑器质性偏执型精神分裂症；⑦症状自评量表：总分147、阳性项目分37，躯体化、强迫状态、人际关系敏感、焦虑、敌对和其他6项目平均分超过常模。

A preferable result for P wave detection is acquired,and this method can be analogously applied to the detection and location of T wave.

这里所提出的P波检测算法思想可以类似地移植到对T波的检测与定位。

The spiral curve structure can be used in slow-wave systems. Theoretically an analytic description for spiral curve slow-wave systems can be achieved after much simplification and approximation.

螺旋线结构就可以作为慢波系统；理论上，经过很多的简化和近似，可以得到关于螺旋线慢波系统性能的解析描述。

With the aid of the Laplace transformation, an analytical solution for the motion of the plane standing wave in the presence of free surface charge is obtained. Moreover, the motion of the cylindrical standing wave in the presence of free surface charge is solved using semi-analytical method.

通过变换的方法，求得了平面驻波漏电介质模型解析形式的初值解，并用半解析半数值的方法求解了柱面驻波漏电介质模型的初值解。

Feeding can, output can and etching gas transmission system are connected on the reaction chamber, plate type positive and negative electrodes installed in parallel in the reaction chamber, with the negative pole connected with the water cooling device that connected with seal wave tube and the bottom of the reaction chamber actively, bottom of the water cooling device connecting with the vibrating source through vibrating shift lever, with the seal wave tube, vibrating shift lever and vibrating source on the bottom bracket that fastened to the bottom and installed on the oblique angle adjusting bracket.

本发明反应室上连接投料罐、出料罐和刻蚀气体输送系统，反应室内平行装有板式阳极和阴极，阴极与水冷装置连接，水冷装置通过密封波纹管与反应室底部活动连接，水冷装置底端通过振动转换杆连接振动源；密封波纹管、振动转换杆和振动源位于底架上，底架与反应室底部固定连接并安装于倾角调整支架上。

With the decrease of Mach number of inflow, the total pressure recovery and the shock angle increase; the number of reflection of shock wave in the duct also increases, but the strength of the shock wave decreases.

对某典型高超声速侧压式进气道三维流场进行了数值分析，就壁面压力分布、波系结构和近壁流谱图与实验结果进行了比较，计算反映了流动的基本特徵。

The father that if work,mad father, love annoys, disposition is too indrawn the be short ofing that the father of Mu Ne, resign oneself to adversity causes father easily to love is broken; Communicate time effectively between father and son, Mu Zizhi to be less than a hour on average to wait a moment every week, it is the cause that causes the child to become addiction.

如工作狂的父亲、爱愤怒的父亲、性格过于内向木讷、逆来顺受的父亲都易造成父爱的缺失；父子、母子之间的有效沟通时间每周平均小于一小时等等，都是造成孩子成瘾的原因。

These are vandal proof and they come with a locking mechanism.

这是野蛮的证据，他们来到了锁机制。