The PVAC has little influence on rheopexy of water based EPC coating with the content from 2.0% to 4.0%.
白乳胶的加入量为2.0%~4.0%
,


变性无明显影响。
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Basically, in the 80s, scientists discovered that songbirds were more polyamorous than expected, and it turned out that this phenomenon called extra pair copulation, or EPC, was behind the questionable parentage of many baby birds.


,20世纪80年代, 科学家们发现鸣
的“一夫多妻” 现象比预想的

遍,结果表明,这种被称
“额外配对交配”(简称EPC)的现象, 正是许多雏鸟身世存疑的幕后原因。