经表面氧化层处理后，焊料表面粗糙度的降低引起低剪切速率下焊膏粘度的明显升高。
After surface oxide film treatment, the increase of viscosities at low shear rates results from the decrease of surface roughness on the surface of solder powders.
结果表明，UHMWPS最显著的流变特征为超高的熔体粘度和低剪切速率下出现不稳定流动。
It was found that the rheological behavior of UHMWPS is remarkably characterized by its unstable flow at low critical shear rate and ultrahigh melt viscosity.
在低频率(或低剪切速率)下，动态剪切测量的复合粘度与稳态剪切测量的剪切粘度是相等的。
The composite viscosity at the condition of dynamic shear test is consistent with shear viscosity at steady shear test at the low shear rate or low frequency.
尽管MF R值是在低剪切速率下测定，与事实不符，但是可以从中准确地区分出不同相对流动性的好坏。
Even though MFR values are measured at an unrealistically low shear rate, it might seem that the test would accurately rank different materials for comparative ease of flow.
尽管MF R值是在低剪切速率下测定，与事实不符，但是可以从中准确地区分出不同材料相对流动性的好坏。
Even though MFR values are measured at an unrealistically low shear rate, it might seem that the test would accurately rank different materials for comparative ease of flow.
纺丝原液粘度随着温度、剪切速率的增大而降低，过了临界切变速率后粘度会急剧下降，但在低剪切速率区粘度基本不变。
The viscosity dropped with the increase of temperature and shearing rate and decreased drastically over critical shearing rate, but remained almost unchanged at lower shearing rates.
在相同排量下，压裂液在薄层裂缝中流动剪切速率高，粘度低。
At the same discharge, flow shear rate of fracture fluid is high in the fracture of the thin layer, and its viscosity is low.
在相同排量下，压裂液在薄层裂缝中流动剪切速率高，粘度低。
At the same discharge, flow shear rate of fracture fluid is high in the fracture of the thin layer, and its viscosity is low.
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