时间——放射性尘降物的辐射强度衰减很快。
Time - fallout radiation loses its intensity fairly rapidly.
干湿循环作用后改良土的强度衰减得到减缓。
The shear strength of the improved soil is reduced after drying-wetting cycle.
荷载对干湿循环过程中膨胀土的胀缩幅度及强度衰减具有明显抑制作用。
The effects of load in certain range were to restrain the swelling-shrinkage deformation and the attenuation of shear strength.
而且随着声学吸收材料厚度的增加，气体非稳定爆轰波强度衰减幅度增大。
It was also found that the detonation strengths decrease with increase in the thickness of acoustic absorbing layer.
理论分析说明，巷道围岩的渐进破坏主要是岩体强度衰减和蠕变性质影响的结果。
Theoretical analysis shows that the progressive failure of the surrounding rock of opening is mainly caused by strength attenuation and creep mass.
数值计算以及实验结果表明：对浅海近程混响强度衰减规律影响最大的是海底散射特性；
The numerical results and experimental data show that the influence of bottom incline angle is weak while that of scattering angular function is more prominent.
以剩余强度衰减理论为基础，建立了一种复合材料结构疲劳寿命可靠性定量分析的工程方法。
A analysis method of fatigue life reliability for composite structures is developed based on residual strength degradation theory.
研究表明：河谷下切引起的岩体卸荷松弛，雨水进渗导致的岩体强度衰减是导致红层滑坡形成的主要因素。
Study shows that: incised valley of the rock mass caused by unloading relaxation, caused by rainwater infiltration rock strength degradation is the formation of red layer a major factor in landslides.
根据疲劳试验结果，建立了预应力钢纤维混凝土板弯曲疲劳方程和剩余强度衰减方程，分析了抗弯刚度衰减规律。
According to fatigue experiment results, the fatigue equation and equation of surplus strength degradation are built. The law of degradation of flexural rigidity is analyzed.
在无限和真空的空间中，地磁场在强度上随距离3次方而衰减。
In a infinite and empty space the geomagnetic field falls off in strength with the third power of distance.
然后苹果展示了一些智能手机的视频，包括iPhone4，当采取不同的握机方法时，它们的信号强度都出现了衰减。
Apple then posted videos of several smartphones, including the iPhone 4, suffering diminished signal strength when gripped in certain ways.
本文以菠菜叶片作为实验材料，从DF衰减动力学及其总强度的变化研究了DCMU对植物光合作用的影响。
In this paper, with spinach as a testing material, we studied the effects of DCMU on photosynthesis of plant from the characteristics of DF decay kinetic curve and its total intensity.
接下来，了解如何设置假辐射度反弹灯，使用梯度，以提高阴影，阴影灯光和控制光照强度，衰减和效果。
Next, learn how to set up fake radiosity bounce lights, use gradients to enhance shadows, shadow lights, and control light intensity, falloff and effect.
对山体尾流中最大平均速度扰动和湍流强度扰动的衰减规律以及山体尾流结构进行了分析。
The decay laws of the normalized maximum perturbations in the mean velocity and turbulent intensity in the wake and the wake structure are discussed.
切向风速廓线上峰值区宽平，最大风速半径较大时，台风呈北折转向的异常路径，强度易于衰减。
The profile which has a wide region of peak value of tangential wind and a longer radius of maximum wind, corresponds with the northern-turn track and the attenuation of intensity.
通过本文的研究表明，传输线上信号的衰减频率和强度主要依赖于磁性薄膜材料的亚铁磁共振频率和涡流损耗。
According to this paper, the frequency and intensity of the signal attenuation on transmission line are mainly depended on the ferromagnetic resonance frequency and eddy current loss.
隔振沟对振动加速度的衰减作用随载荷强度的增加而增强。
The attenuation function of the isolation trench to the shock vibration is more effective with increase in the intensity of the blast loading.
结果表明：(1)LTC在陆上长久维持过程中，其低层正涡度衰减缓慢并保持一定强度。STC登陆后正涡度减弱较快。
The results have shown that (1) LTC would keep its positive vorticity a stronger value in lower level and decay slowly while STC would decrease quickly after landfall.
最后分析了收发分置海洋混响平均强度的衰减规律。
At last, the average intensity of reverberation for bistatic case had been deduced.
平均强度是描述海洋混响的一个重要物理量，很早就有人对其衰减规律进行研究，但至今还没有得到完满的结果。
Average intensity is one of the physical parameters which are used to describe the oceanic reverberation and the researches about it had been carried out a long time before, but not thoroughly yet.
中远区微差爆破振动叠加效应产生的主要因素是介质的衰减慢。 振动叠加强度与爆源结构特性、爆心距和间隔时间有关。
The intensity of vibration superposition is affected by the characteristics of explosion source , millisecond delay interval and distance between explosion source and measuring point.
建立了层面漏风的定解数学模型，将地表漏风强度近似看作按负指数规律衰减。
The mathematical model with finite solution for bedding plane air-leakage is established, in which the air leakage intensity is regarded as attenuating follows proximately negative exponential law.
如光纤衰减、强度以及老化等问题都与光缆生产工艺以及光缆材料有关。
Such as optical fiber attenuation, intensity and aging concerns with the cable technique of production as well as the cable material.
通过研究在不同的循环次数时无定形碳材料的电子自旋共抓信号的强度变化及形态结构的变化，得出了容量衰减的机理。
Through investigation of changes of the intensity of electron spinning signal and morphology of amorphous carbon materials at different cycle numbers, mechanism for capacity fading was obtained.
公式表明，电磁成形时磁感应强度正弦震荡，幅值呈指数规律衰减。
The equation shows that the magnetic induction intensity is a sinusoidal oscillation signal and its amplitude is a damped exponential law.
应力波强度会随着传播距离的增加而不断衰减；
The stress wave strength would be steadily reduced with the spreading distance increased.
涡流损耗的增加不会改变衰减峰值的频率，但是会增大衰减强度。
Increasing the eddy-current losses will not change the frequency of attenuation peak, but will increase the intensity of attenuation.
这种影响的强度随到源的距离指数地衰减。
The strength of the influence declines exponentially with the distance from the source.
这种影响的强度随到源的距离指数地衰减。
The strength of the influence declines exponentially with the distance from the source.
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