The results of experiments show that there are obvious linearity relationship between the attenuation of ultrasonic and the concentration of high water based fluid in some ranges.
实验结果表明：超声波在高水基流体介质中的衰减与一定范围的介质浓度存在较好的线性关系。
Conclusion: The variation of bilirubin concentration versus plasma exchange dosage follows an exponentially attenuation law.
结论：胆红素浓度随血浆置换量的变化成指数衰减规律。
To study the attenuation behavior of ozone in water, two methods were used to measure ozone concentration in water, indigo disulphonate spectrophotometry(IDS)and iodine titration method(ITM).
为了研究臭氧在水中的衰减行为，采用靛蓝二磺酸钠法和碘化钾法测定水中的臭氧浓度。
The estimated ultraviolet radiation attenuation coefficient and DOC concentration all existed markedly positive relationship; but UV-B wave band was higher than UV-A wave band.
估算得到的紫外辐射衰减系数与DOC浓度均存在显著性正相关，但UV - B波段要高于UV - A波段。
Methods The color and transparency of different concentration phantoms were observed. Properties including density, acoustic speed and acoustic attenuation of PAA gel phantom were measured.
方法观察模块浓度的不同所致颜色与透明度的变化，并对PAA模块的声学特性包括密度、声速及声衰减进行测量。
Ultrasonic attenuation technique is used to investigate a method to measure mass concentration of paper fibers in dilute pulp suspensions.
采用超声衰减技术研究了稀释纸浆悬浮液中纸纤维质量浓度的测量方法，讨论了稀释纸浆悬浮液中超声的衰减机理。
Based on the principle of sound attenuation to measure the sediment concentration of suspensions, the attenuation value of sound pressure must be detected.
基于声衰减原理进行水体含沙量测量的方法，需要测量声压的衰减值。
Results showed that the jet flow length, concentration and anti-attenuation of coherent jet oxygen lance were better than that of common oxygen lance.
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。
The effects on the underwater sound attenuation by the thickness and concentration gradient of polymers were measured in a sound tube at different frequency during the polymers dissolution process.
文中详细研究了梯度高分子溶液在不同频率下，聚合物厚度及梯度结构的变化对反射声衰减效果的影响。
Runoff concentration can be generalized as transposition and attenuation of flood waves, which are the basis of most basin runoff concentration models.
流域汇流可以概化为洪水波的平移和坦化作用，平移和坦化模拟是大多数概念性汇流模型的核心。
The transposition effect is very small and the attenuation effect is the main of storage effect in mini basins. So mini basin runoff concentration models should focus on the si…
模拟结果发现，特小流域汇流的平移作用不明显，流域调蓄作用主要是坦化作用，汇流模型主要是坦化作用的模拟。
The transposition effect is very small and the attenuation effect is the main of storage effect in mini basins. So mini basin runoff concentration models should focus on the si…
模拟结果发现，特小流域汇流的平移作用不明显，流域调蓄作用主要是坦化作用，汇流模型主要是坦化作用的模拟。
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