1. Under the alkalescence condition, because of hydrogen key of formation, cause capillaceous gather B two Chuns occurrence stereoscopic twist knot, thus creation precipitate.
在碱性条件下，由于氢键的形成，导致线状的聚乙二醇发生立体扭结，从而产生沉淀。
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2. Under the alkalescence condition, because of hydrogen key of formation, cause capillaceous gather B two Chuns occurrence stereoscopic twist knot, thus creation precipitate.
