PSA

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，通过一系学熔融聚合反应制新型絮凝剂--聚硅酸絮凝剂。

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.

以风褐煤为原料制备腐植酸(HA),将HA与普通型保水剂(PSA)复合,获得HA型保水剂(HA-PSA)。