The main methods now to evaluate Pb availability in soil are chemical extraction, plant adsorption, microbial and enzyme activation and isotopes tests.

目前，评价土壤中金属植物有效性的方法主要有：化学提取法、植物吸收试验、微生物和酶活性试验及同位素法。

youdao

The adsorption performance of plant oil for phenol was studied by ultraviolet spectrophotometry.

采用紫外分光光度法研究了植物油脂吸附苯酚的性能。

youdao

This paper introduces an apparatus blowing adsorption and an experiment method for sampling and analyzing the volatile odorant of plant.

提出一种收集、分析植物挥发气味物质的吹气吸附装置和实验方法。

youdao