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,获得HA型保水剂(HA-PSA)。
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,获得HA型保水剂(HA-PSA)。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。