查询词典 constant field

It was found that the pemeability of the dust core was almost a constant in the frequency range from 1KHz to 100KHz,and the quality factor Q of dust core increased with increasing frequency.It was also found that Q became higher at the frequency over 50KHz in comparison with that of permalloy in higher frequency.

结果表明，在测量的频率范围内(1KHz-100KHz)，该粉芯的磁导率几乎不随频率变化而变化；粉芯的品质因数Q随频率的增加而增加，在较高频率时有着比坡莫合金粉芯还要高的值，具有应用价值。

Constant embryonic tooth development began in the first 4 weeks to 9 months to form, the lower total of 28 permanent tooth germ.

恒牙胚的发育始于胚胎第4周，至第9个月形成上、下颌共28个恒牙牙胚。

Based on the lab orthogonal tests,using self-manufactured constant head permeameter,the effect of gravel content,void ratio and particle shape on the coefficient of permeability of soil-rock-mixture was studied.

渗透同强度和变形特性一起，都是土力学中所研究的主要力学性质，在土木工程的各个领域中都有重要的作用[3]。

Air Permeameter, Coefficient of Air Seepage, Air Permeability in Constant Pressure, Air Permeability in Veriable Pressure

我们从1974年开始了渗气仪的研制工作，同年试制成ZC一3型渗气仪，并用于陕西省

Results indicated that the steady-state model of constant-head well permeameter could be used to design the emitter discharge rate for different water-conducting device specifications and soil types.

研究结果表明，用于描述恒定水头钻孔积水入渗法求解土壤饱和导水率的稳态模型能够较好地设计与不同类型土壤和导水装置尺寸相匹配的适宜滴头流量。

By means of our own constant head permeameter,we have measured the permeability coefficients of soil-rock-mixture s with different gravel content,and the results show that there exists an index relationship between them.

通过自制的常水头渗透仪，测定了不同含砾量时土石混合体渗透系数值，研究发现含砾量与土石混合体渗透系数之间存在指数关系；基于幂平均法，提出了土石混合体复合渗透系数的计算公式，并通过试验结果验证了该式的正确性，为土石混合体渗透系数的理论计算提供了一个简明有用的计算工具

A lab test apparatus was developed into evaluating the noise reduction of the porous cement concrete. A constant head permeameter was developed to ascertain the water permeability of porous cement concrete, the influence of the porosity and pore size on the water permeability was studied.

另外，对多孔水泥混凝土的透水性能进行了研究，通过建立有效孔隙率、孔径大小与渗透系数的关系，结合其实际透水性能，得出了满足一般排水性路面排水要求的有效孔隙率范围和级配。

The oil permeability and its influence factors in unsaturated petroleum chalk were studied by carrying out some experiments with a specially improved constant-head permeameter where the matrix suction was controlled with axis-translation technique.

利用改进的常水头压力渗透仪对非饱和油田白垩进行了试验研究，试验中采用轴平移技术来控制基质吸力，据以研究非饱和油田白垩的渗透特性及其影响因素。

Many people's Inner Critic makes an appearance early in life and is such a constant companion that it's part of their personalty.

很多人在幼年时期便有了自我批评的倾向，之后这个声音便常伴他们左右，成了他们性格的一个部分。

With the measured frequency and time constant, the phase shift angle of CTs and PTs can be estimated.

提出了电能表中补偿电流互感器和电压互感器角差的有功功率和无功功率计算方法。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。