dissolved substance 中文意思是什麼
dissolved substance
解釋
溶存物質-
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，該活性物質具有較強的熱穩定性， ph 9的條件下能穩定存在，但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失；活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水；薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點；由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素，可能為一新的抗菌活性物質。 -
Make 一 up is a creamy substance and needs to be dissolved with an oil 一 based cream before washing
彩妝是一種油性物質，需要用油性清潔霜清洗。 -
Ultra - filtration ( uf ) can dispose not only most suspended substance, colloid subst - ance but also dissolved organism. uf becomes an important process used in water treatment in recent decades, and will be used more and more extensive
超濾技術不僅能去除水中大部分的懸浮物、膠體物質，對水中的溶解性有機污染物也有一定的去除效果。
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