Granite as raw material,PSA is made in a series of aggregat e reactions of chemical fusibility.
选用花岗闪长岩为原料，
过一系列的化学熔融聚合反应制
新型絮凝剂--聚硅酸铁铝盐絮凝剂。
业管理（Public Service Administration ）；用业协会（Public Service Association）Granite as raw material,PSA is made in a series of aggregat e reactions of chemical fusibility.
选用花岗闪长岩为原料，过一系列的化学熔融聚合反应制新型絮凝剂--聚硅酸铁铝盐絮凝剂。
The mucin is positie for mucicarmine, PAS, and alcian blue.The glands are negatie for PSA and PAP.
粘蛋白胭脂红染色、PAS染色和阿辛蓝染色阳性，免疫组化PSA和PAP染色阴性。
Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.
以风化褐煤为原料制备腐植酸(HA),将HA
型保水剂(PSA)复合,获得HA型保水剂(HA-PSA)。
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