The chiral chromatographic fixed phase stuffing of vancomycin phenylisocyanate after assembled to column may be used in forward phase, reverse phase and polar organic phase chromatographic condition.
用这种方法合成的万古霉素苯异氰酸酯手性色谱固定相填料装柱后，可以在正相、反相及极性有机相色谱条件下使用。
Aluminum electrolytic capacitors are polar. Make sure that no reverse voltage or ac voltage is applied to the capacitors.
铝电解电容器是有极性的，不应加反向电压或交流电压。
Starch is a commonly used hematite depressor in reverse flotation of hematite and dissolved waste Saccharomyces Cerevisiae contains a polar group similar to starch.
淀粉是赤铁矿反浮选工艺中常用的赤铁矿抑制剂，而废啤酒酵母溶解相中含有与淀粉中相似的极性基团。
Starch is a commonly used hematite depressor in reverse flotation of hematite and dissolved waste Saccharomyces Cerevisiae contains a polar group similar to starch.
淀粉是赤铁矿反浮选工艺中常用的赤铁矿抑制剂，而废啤酒酵母溶解相中含有与淀粉中相似的极性基团。
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