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Further, like most other cases such as gas/liquid membrane contactors, the overall mass transfer coefficients K of this novel membrane contactor in distillation decreased while fiber packing fractions became bigger, which presented a strong relationship between shell mass transfer and fiber packing fraction.

据此可作为膜接触器结构设计的判据,即当膜接触器填充密度较低时,其传质性能主要受中空纤维膜分布不均匀度影响;而当填充密度高时,组器结构对传质的主要影响因素应为沟流和死区。

However, the accuracy of these methods is affected seriously by the intensity inhomogeneities of images.

但是 ,这些方法的精度受到图象灰度不均匀性的严重影响。

In this paper, We present a novel algorithm for fuzzy segmentations of images that are subject to intensity inhomogeneities, such as magnetic resonance image.

对于那些受灰度不均匀性影响的图象,如磁共振图象,提出了一种新的基于有偏场的适配模糊聚类算法来产生它们的分割结果。

These nanoscaled inhomogeneities shows much relevant to the glass transition process.

在玻璃转变温度附近,微观不均匀性的相关长度可以作为表征玻璃转变的特征结构长度。

Inhomogeneities of leakage current and ferroelectric properties were concurrently mapped and quantitatively studied on a nanometer scale.

样品形貌和漏电流的不均匀性与样品形貌及反映样品铁电性的压电响应被同时成像,并在纳米尺度上进行了研究。

The magnetic inhomogeneities and random potential cause the background for the variable-range hopping transport of carriers.

不均匀性和无规势为可变程跳跃电导提供了背景。

Inefficient agitation leads to temperature gradients within the reaction mixture due to field inhomogeneities in the microwave cavity.

在微波炉中,由于电场的不均匀性,无效搅拌会导致在反应混合物中形成温度梯度。

On account of those facts such as the complexity of note background, the shade of inkpad , the randomicity when people seal and the noise cause by sampling, we have more difficulties in stamp Abstracting and mending.

由于票据背景的复杂性、油墨的不均匀性、位置的不确定性以及采集带来的噪声等因素,使得印章的提取与修复面临较大困难。

When in the sedimentary formation these living thing chemical energy material, arrives between the earth's crust and the mantle rock magma region, because receives the high temperature high pressure the function, can the instantaneous aggravating internal heat response degree, also because these biological energy material stratum distributes non-uniform, thus has further created the partial region superheat, then intensified the profile conduction and the instantaneous paroxysm, finally intensified earth's surface and so on the earthquake volcano as well as plate movement terrain changes.

当沉积地层内的这些生物化学能物质,到达地壳与地幔之间的岩浆区域,由于受到高温高压的作用,就会瞬间加剧内热反应的程度,又由于这些生物能物质的地层分布不均匀,从而进一步造成了局部区域的过热,进而加剧了波形传导和瞬间爆发性,最终加剧了地震火山以及板块运动等地球表面的地形变化。

The results show that the temperature of the alloy gradually decreases from the casting mouth to the exit in the roll-shoe gap, and the isothermal line deviates from the shoe side to the roll side.

结果表明:辊靴型腔内合金的温度从入口至出口逐渐降低,合金等温线向工作辊偏移;随着浇注温度的降低,辊靴型腔内半固态区间逐渐增大;为了获得优良的半固态金属浆料,确定浇注温度为710~770 ℃;合金在辊靴型腔内层流运动时,越靠近工作辊内表面,合金的运动速度越快;随着挤压模具扩展角的增大,挤压模具出口型材宽度上中心与两侧边部合金的温度差减小;半固态合金进入模具后呈辐射状逐层向前推进填充模具扩展腔,最后再逐渐向模具出口合拢;为了改善模腔内金属流动速度的不均匀性,扩展角以45为宜。

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