alkali stable meaning in Chinese
对碱稳定的
Examples
- Under that condition the strain can produce the most concentration of the bioactive compounds . the physical and chemical properties of the actibacterial compounds have been studied , the results showed the bioactive substance has heat stable , acidity and weakly alkali stable . it can be dissolved in acid water , chloroform solvent , can not be dissolved in ethyl acetate , petroleum ether , alkali water . the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light . the paper chromatography demonstrate the bioactive substance may be a new construct compounds
研究表明，该活性物质具有较强的热稳定性， ph 9的条件下能稳定存在，但ph 12的强碱性条件下活性物质的抗菌活性几近丧失；活性物质易溶于氯仿、酸性水、不溶于乙酸乙酯、石油醚、碱性水；薄层层析显示活性物质在紫外光下能发蓝绿色荧光等特点；由捷克八溶剂系统纸层析鉴定该抗菌活性物质不属于四大类抗生素，可能为一新的抗菌活性物质。