paper chromatography造句

• Acetylated paper chromatography fluorescence spectrophotometric method
  乙酰化滤纸层析荧光分光光度法
• Four kinds of components of it were separated by paper chromatography
  色素经纸层析可分离出四个成分。
• Converging paper chromatography
  圆锥形纸色谱
• Circular paper chromatography
  环形纸色谱法
• Methods under the various separating condition , the anticoagulating active components of scorpion were appraised with thin layer chromatography ( tlc ) and paper chromatography
  方法用不同的展开剂，采用薄层色谱法和纸层析法对全蝎抗凝活性成分进行鉴定和分析。
• The methods of paper chromatography - mottle elution cnromometry and enzyme - dns colorimetric were defined . these methods were simple , cheap and accuate . the results showed that the positive correlation was obtained between trehalose concentration and acetic acid or osmotic tolerant
  提出了“纸层析-分离洗脱法” 、 “酶- dns比色法”定量测定海藻糖的方法，该方法简便、成本低、准确度高。
• 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。
• Two kinds of flavonoids in water extracts , water - extraction and alcohol precipitation , alcohol extracts were found by paper chromatography . they were separated and purified by thin - layer chromatography , one of which was primarily identified by uv as 4 " , 5 - dihydroxy - flavonol etherification or 4 " , 5 , 8 - trihydroxy - flavonol etherification
  水提物、水提醇沉物、醇提物等3种提取物纸层析结果显示有两种黄酮类化合物，经薄层层析分离纯化，并进行紫外光谱分析，初步测定其中一组分为4 ， 5 -二羟基黄酮醇醚或4 ， 5 ， 8 -三羟基黄酮醇醚。