Synthesis of Macroporous Ellagitannic Acid Resin and Its Chelating Properties for Metal Ions A new type of macroporous ellagitannic acid resin (EAR) can be prepared from macroporous crosslinked chloromethylated polystyrene beads and ellagic acid in the presence of NaOH and KI as catalysts. The ...
There is an unremarkable development in human life by industrialization and modernization which consequences the harmful contamination in the fresh water. This contamination is rapidly growing by the use of a variety of organic dyes, inorganic and other
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The blackberry wine polyphenols adsorbed by resin were eluted with 3 times the column volume of ethanol (75%) at a flow rate of 1.5 mL/min. The collected eluent was concentrated to near-dry by a rotary evaporator and then diluted with ethanol to 10 mL. After filtering (0.2 μm), the...
公开/公告号: NZ226532A 公开/公告日期: 1991-09-25 申请(专利权)人: CMB FOODCAN PLC (FORMERLY MB GROUP PLC) 发明人:PJ Heyes,NJ Middleton 摘要: A laminated metal sheet, the metal sheet having adhered on at least one major surface thereof a film of a non-crystalline polyester, and a ...
Rock Wool Board is made from basalt, an inorganic raw material. It is produced by heating basalt at 1350˚C - 1400˚C and transforming it into fibers, which are bonded together using a thermosetting resin. It is light and easy to install, mainly used for thermal ...
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Peri-implantitis (PI), a pathological condition associated with plaque, affects the tissues around dental implants. In addition, peri-implant mucositis (PIM) is a precursor to the destructive inflammatory PI and is an inflammation of the soft tissues sur
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