研究沉积时间对C-AIPO4莫来石涂层显微结构的影响,讨论涂层的沉积动力学,并对涂层的抗氧化性能进行测试。结果表明:当沉积5~25min时,沉积时间对涂层的显微结构影响较大,当沉积15min时,涂层致密均匀;涂层的沉积量随着溶剂热温度的升高而增加;单位面积沉积量与时间的二次方根之间符合线性关系,并得到沉积活化能为24.39...
[难溶电解质图像] AIPO4的沉淀溶解平衡曲线如图所示(T2>「°下列说法正确的是( ) A. 图像中四个点的 Ksp: a= b> c>d B. AIPO 4
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五、 选择题。 (填序号)(8分)1.下列加点字的读音全都正确的一项是()A琥珀(po4响午(xiàng)B癌症(ai)湃(bai) C.树栖(qT)新(zhàn)
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水体中的可溶性磷很容易与Ca2+、Fe3+ 、Al3+ 等离子生成难溶性沉淀物,例如AIPO4、FePO4等,沉积于水体底部成为底泥。聚积于底泥中的磷的存在形式和数量,一方面决定于污染物输入和通过地表与地下径流的排出情况;另一方面决定于水中的磷与底泥中的磷之间的交换情况。沉积物中的磷通过颗粒态磷的悬浮和水流的湍流...
General procedure for the synthesis of 4 To an oven-dried reaction tube containing a stirring bar was added Pd2(dba)3•CHCl3 (5 mol%), SPhos (15 mol%), K3PO4 (4.0 equiv), starting materials 1 (1.5 equiv), 2 (1.5 equiv) and 3 (1.0 equiv). This mixture was dissolved in ...
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水体中的可溶性磷很容易与Ca2+、Fe3+ 、Al3+ 等离子生成难溶性沉淀物,例如AIPO4、FePO4等,沉积于水体底部成为底泥。聚积于底泥中的磷的存在形式和数量,一方面决定于污染物输入和通过地表与地下径流的排出情况;另一方面决定于水中的磷与底泥中的磷之间的交换情况。沉积物中的磷通过颗粒态磷的悬浮和水流的湍流...