利用差示扫描量热法得到B/KNO3的热分解曲线,用K iss inger方程估算了B/KNO3的表观活化能,用标准作图法得到最可几热分解机理函数,再用积分法求得不同升温速率下热分解的动力学参数活化能E和指前因子A。计算结果表明,升温速率增大,E和A...利用差示扫描量热法得到B/KNO3的热分解曲线,用K iss inger方程估算了B/KNO3的表观活化能,用标准作图法得到最可几热分解机理函数,再用积分法求得不同升温速率下热分解的动力学参数活化能E和指前因子A。计算结果表明,升温速率增大,E和A都略有减小,但都与非机理计算结果有较好的吻合。展开更多
New typical ionic clusters with complex anions could be formed directly from the KNO 3 aqueous solution by means of the electrospray ionization mass spectrometry(ESIMS). The difference between the neighboring peaks(m/...New typical ionic clusters with complex anions could be formed directly from the KNO 3 aqueous solution by means of the electrospray ionization mass spectrometry(ESIMS). The difference between the neighboring peaks(m/z), which corresponded to the molecule weight of KNO 3 being 101 in the full mass spectrometry, of the positive ion and the negative ion. The general formula of the ionic clusters belonged to K+(KNO 3) n and NO- 3(KNO 3) m.展开更多
文摘New typical ionic clusters with complex anions could be formed directly from the KNO 3 aqueous solution by means of the electrospray ionization mass spectrometry(ESIMS). The difference between the neighboring peaks(m/z), which corresponded to the molecule weight of KNO 3 being 101 in the full mass spectrometry, of the positive ion and the negative ion. The general formula of the ionic clusters belonged to K+(KNO 3) n and NO- 3(KNO 3) m.