脉冲波

Different DNA constructs were introduced into the decapsulated cysts of Artemia by electroporation under 2KV, 20 μsec pulse length, 20 number of pulses and a DNA concentration of 20μg/μl in a volume of 100μl.

不同的构筑质体经由电穿孔法，被导入经去壳处理后的丰年虾休眠卵中，在2千伏特、20微秒的脉冲波长度、20次的脉冲数和在100微升的体积中DNA浓度为每微升20微克的设定条件下。

On the basis of the frequency domain Born approximation theory of the scattering of two dimentional elastic waves, the time domain Born approximate solution to the scattering of elastic wave s with arbitrary frequencies is derived.

在二维弹性波散射频域Bron近似解的基础上，通过Fourier变换，推导了任意频率平面P波组合的脉冲波入射二维散射系统时，散射场的时域Born近似解。

To verify the validity of the method,the first step is calculation of the currents induced in the infinite long dielectric circular cylinder expoused to pulse EM wave.

首先用解析法计算无限长介质圆柱中脉冲波所引发的电流以验证计算方法，然后对核电磁脉冲照射下的二维和三维非

We study the field enhancements in the waveguide structures by doped semiconductor material, and analyze their electromagnetic fields for different structures under the plane wave illumination or the short pulse. We design several doped silicon slots cavity and slot chains with large field enhancement, and describe their physical mechanism.

我们研究掺杂半导体波导结构对兆赫波电磁场增益之影响，使用电磁模拟针对不同结构做探讨，并分析连续波和脉冲波之电磁场变化，设计具有强场增益之掺杂半导体的矽狭缝和矽狭缝链之结构，并探讨其物理机制。

The pulse propagation through fog medium is discussed .The pulse distortion induced by fog is found using method of closed solution for Fourier integral in time domain. It is found that the pulse distortion is affected by the visibility, frequency, pulse width and path length.

在此基础上应用傅立叶时域积分近似解方法对脉冲波通过雾媒质时的传输特性进行了研究和分析，给出了脉冲畸变、频移随频率、能见度及传播距离的变化关系。

The angle distribution and plane distribution of the diffraction tomography with ultrashort pulse incident wave was simulated.

模拟计算了超短脉冲波场入射下其衍射层析的角分布与面分布。

Comparing the calculated results and the experimental results, good coherencewas found, which means after importing relative materials factors and initial condition themodel had reflected main truth and was valid for precise prediction of the SHS.5, SHS is a process far from equilibrium, which is always accompanied by rich self-orderbehavior, such as oscillation, spin, stationary wave and so on.

该模型将反映燃烧过程的主要参数用相应的样品和产物的性质进行表示，为更好地对工艺进行控制提供了简捷的途径。5、SHS过程中大量的燃烧现象是远离平衡态的动力学过程，常常表现出丰富的时空自组织行为：脉冲波、螺旋波、混沌燃烧等。

Results: Color of hypokinetic, akinetic and dyskinetic segments detected by 2DE in CAD patients became dark or disappeared or showed a opposite color in 2D or M-mode DTI, in PW-DTI mode profile these segments showed significantly lowered amplitude except for A wave of post wall in 3 levels.

脉冲波多普勒组织成像所测运动异常节段的峰值速度，除后壁三个水平短轴方向A波与正常组相应节段比较无显著差异外，余各速度均明显减低。

MCS-96 microcontroller with PWM have Sawtooth, PWM register should be the value of lin...

MCS-96单片机要用PWM产生锯齿波，应使PWM寄存器中的值线性增加，那么在PWM输出端将得到宽度线性增加的脉冲波，经滤波后，便可得到锯齿波。

On the basis of numerical calculation of ultrasonic field of a spherically focusing radiator for various excitations such as continuous waves, attenuation waves and pulse waves, the characteristics of focal speckles for different excitations have been compared and the various factors which cause the changes of the characteristics of focal speckles have been studied.

数值计算了在连续波、衰减波以及脉冲波等不同激励方式下凹球辐射面的聚焦声场，在此基础上，对不同激励源的焦斑特性进行了分析比较，对影响焦斑特性变化的因素进行了分析研究。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。