基本原理是声波信号在胶结存在时的衰减比胶结差时的要大。
The fundamental principle is that the acoustic signal will be more attenuated in the presence of cement than if the casing were uncemented.
水中冲击波压力峰值在炮孔轴线上衰减比垂直于炮孔轴线向上衰减慢。
The peak pressure attenuation of shock in water in borehole axis direction was slower than the direction vertical to the borehole axis.
经研究发现热弛豫模型的衰减比BISQ模型大得较多，与地球介质相比衰减量也过大；
The attenuation of thermal relaxation model is much higher than BISQ model, and also higher than the attenuation of earth medium.
放射性样品选择得很巧妙，假使一个小时之后，衰减的可能性为五十比五十。
The sample is chosen so that after, say, one hour, there stands a fifty-fifty chance of a decay occurring.
科学家曾预测CHAMPs会有强烈的不同寻常的衰减现象，因为它们衰减速度比很多亚原子粒子慢很多。
They are expected to have an unusual decay signature, and a strong one, since they decay much more slowly than many subatomic particles.
在sprintf命令中使用 %X修改符执行十进制间隔与十六进制衰减百分比之间的相应转换。
The appropriate conversion between decimal intervals and hexadecimal fade percentage is performed using the %X modifier in the sprintf command.
不管最大值或指定的间隔数是多少，每个定义的样式都需要有 00-ff 衰减百分比。
Regardless of the maximum or number of intervals specified, each defined style needs to have a fade percentage of 00-ff.
整个运行过程中膜通量衰减速率随着气水比的减小而增大。
During the running process, the membrane flux decline velocity increased while the gas water ratio decreased.
采用垂直入射具有金属衬底的均匀等离子体模型，对不同入射频率的电磁波的衰减以及总出入射功率比进行了数值模拟。
In a model with vertical incidence of plane electromagnetic wave into plasma slabs with metal underlay, the attenuation of electromagnetic wave and reflected power are deduced.
结果表明：膨胀石墨蠕虫比天然鳞片状石墨具有更好的红外衰减性能。
The result shows that the infrared attenuation performance of expanded graphite worm is better than that of natural flaky graphite.
多股线比实心线更常见，并且更灵活，但是实心线的衰减更小。
Stranded wire is more common than solid wire and is more flexible, but solid wire has less attenuation.
在地震长波长情况下，相同特征尺度的圆形干裂纹比薄的干裂纹对弹性波衰减更有效。
Under the circumstance of seismic long wavelength, the circular dry fracture is more effective in attenuation of elastic wave than thin dry fracture when the characteristic scale is same.
结果表明，集束射流氧枪比普通超音速氧枪射流长，射流集中、衰减慢。
Results showed that the jet flow length, concentration and anti-attenuation of coherent jet oxygen lance were better than that of common oxygen lance.
水平方向上大气紫外透射比的指数衰减规律决定了系统工作的局域性和保密性。
Exponential attenuation of UV atmospheric transmittance for the horizontal paths decides that the UV communication system works locally and safely.
数值模拟了吸收和色散曲线随微波场拉比频率和失谐量的变化规律以及敏锐吸收峰的性质随激发态粒子衰减率的依赖关系。
Numerical simulation of the absorption and dispersion curves changed with the microwave Rabi frequency and detuning, and the absorption peak influenced with the decay rate of the excited particles.
经验衰减模型与物质传输模型的对比分析表明，物质传输模型比衰减模型更有利于解释环境箱试验结果。
Mathematic model simulation indicated that mass based transfer model is more appropriate than experiential decay model to explain the results of chamber test.
本发明的筒体比现有筒体的初始刚度大、承载能力高、承载力和刚度衰减慢、整体抗震耗能性能好。
The cylinder in invention is provided with large initial rigidity, high load capacity, slow attenuation of load capacity and rigidity, good total aseismic consumed energy behavior.
单模腔场的压缩性质受到外加驱动场的拉比频率，腔模频率与外加相干场频率的失谐量以及腔场衰减速率的影响。
The squeezing of the single mode cavity field is influenced by the driving field Rabi frequency, the cavity-mode frequency detuning from that of a coherent external field and the cavity decay rate.
讨论了不同填充比下固有频率对应的衰减系数关系曲线，得出了衰减系数随着大阻尼材料填充比的增大而增大。
It finds that the damping coefficient is directly proportional to not only wave frequency, but the filling fraction of bigger damping material.
该流量槽，在使用衰减全反射比（ATR）技术下运行，是专为亚毫敏感性设计，并与最广泛范围的化学过程相容。
The flow cell, operated with Attenuated Total Reflectance (ATR) technology, is built for sub-millimolar sensitivity and is compatible with the broadest range of chemistry.
经过1 500次恒流循环充放电，比电容衰减为初始容量的10%，显示其具有良好的电化学稳定性。
Also, the all-solid-state supercapacitor exhibited a good electrochemical(stability) with a capacitance degradation of 10% over 1 500 cycles.
如此多的射线其成因仍然是个谜，因为太空的风化效应如粉尘积聚和太阳风衰减，在水星上比月球上更强烈。
The rays prevalence is a mystery because space weathering effects such as dust accumulation and solar wind attenuation should be greater on Mercury than on the Moon.
尽管有些药物的安定效果比镇静效果保持的时间长，后者的潜在药力会迅速衰减。
Although some pills retain their tranquillising powers longer than their sedative capacity, the latter potential rapidly wears off.
显示出比纯电阻手控衰减电路更优越的性能。
These circuits are superior to manually controlled attenuation circuits composed of resistances.
显示出比纯电阻手控衰减电路更优越的性能。
These circuits are superior to manually controlled attenuation circuits composed of resistances.
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