Temporal-Lobe
发表于 2025-3-28 18:31:40
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树木中
发表于 2025-3-28 21:04:47
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WAIL
发表于 2025-3-29 00:19:27
Klaus North of a 20 wt% CaCO. suspension in water at pH=11 is lowered to 2 mPa s upon the addition of a low concentration of polymer. Comparison with polyacrylate dispersants shows the advantages of such a diblock macromolecular structure with a non-ionic polymeric part at high solid contents and high ionic strengths.
鲁莽
发表于 2025-3-29 05:13:03
Plan of Action,d to obtain an optimum compromise of corrosion-control precautions, answering to the anticipated production, environmental conditions and sound economy; that is, as near as is obtainable within the boundaries of the corrosion-control domain.
Deference
发表于 2025-3-29 07:58:04
Anna Marie Metz,Heinz Jürgen Rothed radio-medicine in the 1960s and 1970s, more powerfully than the liquid scintillation counter. It was an apparatus that effectively came to represent three key technologies of this century: mechanical automation, electronics, and radioactive tracing. Yet in contrast to other instruments and techniq
Compatriot
发表于 2025-3-29 14:20:08
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