简单扩散

生理情况下，水通过细胞膜包括磷脂双层的简单扩散和通过特殊跨膜转运蛋白的快速转运两个过程。

In the physical condition , the water pass the member through the simple diffusion and rapid transport .

在这样的情况下乙酰胆碱酯酶将以简单扩散的方式进入唾液，因此它的活性必将和唾液流量速率相关。

However , under these circumstances cholinesterase would enter the saliva by simple diffusion and therefore activity should be correlated with salivary flow rate .

方法：采用简单扩散小室，用紫外分光光度测定了5种处方罂粟碱凝胶离体鼠皮透皮吸收药量。

METHODS Measure the cumulative amount of papaverine from five gels containing different penetration enhancers by using simple diffusion mini cell and UV spectrophotometry .

方法：配制含不同促进剂的复方水杨酸凝胶，采用简单扩散小室装置，用紫外分光光度法测定不同处方凝胶剂中水杨酸和苯甲酸的透皮吸收药量。

METHODS The gel of compound salicylic acid containing different penetration enhancers was made , the cumulative amount of salicylic acid and benzoic acid released from different the gels was measured by using simple diffusion mini-cell and UV-spectrophotometry .

结果表明：这些配合物主要通过简单扩散进入红细胞，其跨膜速率对环己二胺的手性具有明显的选择性.这种选择性主要来源于配合物与膜脂作用过程中的手性识别。

The results show that the transmembrane transport of the complexes studied exhibited a chiral selectivity , and the selectivity is mainly due to chiral recognition of membrane phospholipid with the chiral complexes . Their column efficiency , polarity and chiral selectivity were studied .

TGA分析显示β-雌二醇通过简单的扩散平衡可以负载到介孔硅中。

TGA analysis revealed that β - estradiol could load into mesoporous silica nanoparticles via simple diffusion equilibrium .

微孔中简单流体扩散行为的分子动力学模拟研究

Studies on Diffusion Behavior of Simple Fluid in Micropores by Molecular Dynamics Simulation

在动物界中，除了简单的被动扩散方式，主要进化产生了两类供氧方式：呼吸蛋白和气管系统。

Apart from oxygen diffusion through oxygen concentration gradient , there are other two ways for oxygen transport in animal kingdom : respiratory protein and tracheal system .

然而，大部分扩散相关的NMR研究仅局限于简单体系的自由扩散行为。

However , most of the diffusion-related NMR studies were limited to the free diffusion in simple systems .

同时该方法具有计算量适中，解码简单以及对误差扩散不敏感的优点。

At the same time , the method has such capability that it has only modest encoding complexity with simple decoding and its insensitive to channel errors .