simple diffusion

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：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。

Results of the simple diffusion test may provide a basis for correction of results obtained by electro-migration methods.

电加速试验结果应根据自然扩散试验进行修正。

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

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。

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

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。

The growth and maintenance of solid tumors is angiogenesis dependent, including colorectal cancer, The growth of new blood vessels provides nutrients and a means of eliminating metabolic waste products by a process other than simple diffusion.

包括大肠癌在内的实体肿瘤的生长和转移是血管依赖性的，肿瘤通过自身新生的血管为其提供营养，排泄代谢产物，而不能单靠物理扩散。

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

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。

In the past, water molecules through the cell membrane lipid bilayer were generally considered a simple diffusion process.

在过去，人们普遍认为水分子通过细胞膜脂质双分子层是一一个单纯的扩散过程。

A simple transformation, hyperbolic function method and exact solution for a class of reaction diffusion equation

一个简单的变换，双曲函数法和一类反应扩散方程的精确解