Isotope tracer technique showed that glucosamine sulfate above can pass through the skin in vitro of test animal in a diffusion cell and osmose into subcutaneous tissue .

同位素 示踪研究结果显示， 实验中制备的放射性同位素 标记的氨基葡萄糖硫酸钠可穿过 扩散池内的离体实验动物皮肤，进入皮下组织。

A series of tracer experiments in city street canyons under light wind was conducted to investigate the atmospheric diffusion of vehicle-generated pollutants .

为研究机动车辆排出的污染物在大气中的 扩散规律，在北京做了小风条件下的街谷 示踪试验。

Sulfur hexafluoride tracer and its application to atmospheric diffusion

六氟化硫（SF6） 示踪剂及其在大气 扩散中的应用

Tracer test for the Hydraulic Conditions Impact on the Contaminative Diffusion around Spur-dikes

水力条件对丁坝附近污染 扩散影响的 示踪试验

Using the tracer to simulate the pollution in water . Taking Photos to get the concentration diffusion image in the specific times and then using digital image processing techniques to obtain two-dimensional isoconcentration contour map of pollutant concentration .

本 实验 用 示踪剂罗丹明B模拟污染物在水体中的 扩散，拍照得到不同时间下物质的浓度场图像，将图像输入计算机进行处理，最终获得对应时间条件下浓度场的二维等浓度线图。

Tracer Experiments on the Diffusion of Soluble Hazardous Chemicals Around Spur-dike with Different Angles

不同角度丁坝附近可溶性危险化学品 扩散 示踪试验

Ionic diffusion in hydrothermal fluid :ⅰ . theoretical calculation of tracer diffusion coefficients

热液流体中的离子扩散作用：Ⅰ. 示踪 扩散系数的理论计算