PLASTIC BAG - AN OVERVIEW

我們通常所用的塑膠並不是一種純物質，它是由許多材料配製而成的。其中高分子聚合物(或稱合成樹脂)是塑膠的主要成分，此外，為了改進塑膠的性能，還要在聚合物中添加各種輔助材料，如填料、增塑劑、潤滑劑、穩定劑、著色劑等，才能成為性能良好的塑膠。

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In this research, a delivery process was produced to demonstrate high security while in the gastrointestinal natural environment and to offer a sustainable release of encapsulated compounds in the little intestinal milieu.When thiomers are coupled to functionalized liposomes, covalent bonds are fashioned concerning free SH-groups on the polymer and

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This Agreement may well only be amended or modified by a published instrument executed by all of the Get-togethers.IN CONSIDERATION of the provisions contained In this particular Settlement and for other fantastic and useful thought, the receipt and sufficiency of which consideration is acknowledged, the Functions agree as follows: DefinitionsIn se