常見例句So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination. 采用百里酚藍-甲酚紅、溴甲酚綠-甲基紅混和指示劑的測試效果較差。Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly. 采用精制棉經過堿化、醚化得到高取代度且取代基均勻分布的聚陰離子纖維素產品。Keywords water analysis;alkalify;mixed indicator; 水分析;堿度;連續(xù)測定;指示劑;Study on Indicator Selection for Determination of Water Alkalify 水中堿度測定的研究Temperature Two-Degree-of-Freedom Control for Alkalify Process 堿化過程溫度二自由度控制The antisepsis management of chlorine alkalify equipments 氯堿生產企業(yè)設備的防腐蝕管理 返回 alkalify