查询词典 medium frequency

The fundamental and higher-order harmonic ultrasound fields of a zeroth-order Bessel ultrasound field and focused Gaussian field in absorbing medium are computed and simulated by solving the KZK equation using a frequency domain finite difference method.

通过频域有限差分方法求解KZK方程，对吸收媒质中的零阶Bessel超声场、Gauss聚焦超声场进行计算，得到基波和高次谐波声场的数值解和仿真图，计算仿真结果验证了上述的理论结论。

The angular distribution of the transmission coefficient of HH polarization are obtained by numerical implementation, the influence of the permittivity and the mean layer thickness of intermediate medium, friction velocity and the frequency of the incident wave on the transmission coefficient is discussed.

通过数值计算得到了HH极化透射系数随散射角的变化曲线，讨论了中间介质介电常数和厚度、摩擦风速和入射波频率对透射系数的影响，得到改进的一维分形分层海面透射系数的基本特征、分区特征和随频率变化的特征，结果表明透射系数近似具有"量子化"特征。

The investigation shows that data of tipper and apparent tipper obviously reflect the inhomogeneity of horizontal direction of medium-electric resistivity, particularly the fault. So the data of frequency range apparent tipper calculated by high-quality four-component observation data can be used in identifying the position, inclination and scale of fault.

研究结果表明：倾子和视倾子资料对介质电阻率水平方向的不均匀性，特别是对断裂反映明显；应用质量较好的四分量观测数据计算出高频段（频率大于1Hz）的视倾子资料，可以用来判断断裂的位置、倾向和规模。

On the other hand, Yang Lijuan'sfather not apprehensibility its daughter why return to Chi fan to this kind of extent, that is him can't comprehension mass media of function, he be a condition in ages, a level of education still a medium with daughter regardless contact of time and frequency top all mutually be apart from very far, so this body now"know ditch" ories of mass media.

一方面，杨丽娟的父亲不能理解其女儿为何回痴迷到这种程度，那是因为他无法理解大众媒介的作用，他与女儿无论是在时代条件、教育程度还是媒介接触的时间和频率上都相距甚远，因此这就体现了大众媒介的"知沟"理论。

Via changing the concentration of beef extract and peptone, sensor had the most frequency response in culture medium CM2-2 incubated with 2×10^5 cells/mL S. aureus.

通过改变牛肉膏和蛋白胨的浓度，得出传感器在含有2×10^5cells/mL金黄色葡萄球菌的培养基CM2-2中共振频率响应最大。

The image forming apparatus includes a print head having the plurality of nozzles arranged in a widthwise direction of the print medium, a displacement unit to cause a change in relative position between the print medium and a print head, and a controller to control the displacement unit to reduce deviation in use frequency of the respective nozzles.

成像装置包括：打印头，其具有多个布置在打印介质宽度方向上的喷嘴；移位单元，其使得打印介质和打印头之间的相对位置改变；以及控制器，其控制移位单元以降低各个喷嘴的使用频率偏差。

The optimal way for inducing floral buds is to preculture the plantets on 1/2MS medium supplemented with 0.5mg/L ABA and 0.5mg/L PP333 for 35 days, then transferred them onto 1/2MS medium supplemented with 1.0mg/L PP333 and 0.1mg/L TDZ. The frequency of floral buds induction increased sharply reaching 62.2% during a period of 150 days. All the mediums were added to 30g/L sucrose and 9g/Lagar.

通过筛选，诱导金钗石斛花芽形成效果最好的培养方法是：以1／2MS附加蔗糖30g／L，琼脂9g／L，活性炭0.5g／L为基本培养基(pH5.6～5.8)，将组培苗在加有PP_(333)0.5mg／L+ABA0.5mg／L的培养基上预培养35d后，再转入到附加TDZ0.1mg／L+PP_(333)1.0mg／L的培养基中。150d内统计的花芽形成率高达62.2％。

The results showed that MS medium was the optimal basic culture medium; the regeneration frequency of leaf was the highest , then etiolated internode, internode was the lowest , their highest regeneration frequencies were 74.1%, 51.9%, 42.6%, respectively. The optimal dark treatment time for leaf and internode was 3 weeks; however the optimal dark treatment time for etiolated internodes was 2 weeks.

结果表明3种外植体的最适基本培养基均为MS培养基；叶片的再生效果最好，其次为黄化茎段，茎段最差，最高再生频率分别为74.1%，51.9%，42.6%；叶片和茎段的最佳暗处理时间为3周，黄化茎段的最佳暗处理时间为2周。

Included among them are: characteristic frequency curve of reinforced medium; critical length of the anchor bar ; anchor bar density and nonuniform coefficient of the reinforced medium; embedded anchorage layer effect; bed plate effect; weak surface effect; distortion of the bow-shaped distributed state of the anchor bar frictional resistance and initiation, formation and development of the dominant glide control plane; criteria about the displacement velocity of side-wall stability status, critical status and unstability status, and the system of ordinate analysis method, et al

d。文中提出的若干新的概念、判据和分析方法，如加固介质特征频度线；临界锚杆长度；锚杆密度及加固介质不均匀系数；嵌固层效应；垫板效应；弱面效应；锚杆&弓形&受力形态的畸变与优势滑移控制面的产生、形成和发展；边壁稳定状态、临界状态和失稳状态的位移速度判据；纵坐标系分析法等，具有一定的理论价值，并对软土工程围护设计具有指导意义。

When traveling through a medium higher frequency waves travel ever so slightly faster than lower frequency ones.

在介质中传播的时候，高频率的电磁波会比低频率的稍微快一点，哪怕只是一点点。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。