常見例句This delay of dissolution and the dissolution speed depend upon the solution alkal... 溶解滯後和溶解速度與溶液的堿度有關(guān),與樹脂膜厚無關(guān)。OBJECTIVE Phyllanthus urinaria L.has many chemical constituents,such as flavonoids,lignans,alkal oids and so on.It has obvious effects on againsting the hepaitis B and little toxic to healthy. 葉下珠含黃酮類、木脂素類、生物堿類、鞣質(zhì)等多種成分,具有明顯的抗乙型肝炎病毒活性及對肝損傷的保護(hù)作用,且毒副作用低,是一種值得深入開發(fā)的抗乙肝葯物。Saline alkal soil in northwest area 西北地區(qū)鹽堿地alkal potassium persulphate oxidation 堿性過硫酸鉀氧化A Study on the Activation of Fly Ash Exited by Alkal 堿對粉煤灰活性激發(fā)的研究Study on Bacterial Salt Tolerance and Enzymatic Characteristic in Saline Alkal Soil of Shaanxi, Ningxia and Inner Mongolia 黃河中上遊半乾旱區(qū)典型鹽漬土中細(xì)菌耐鹽性及産酶特性研究 返回 alkalizer