...Monthly Report At the end of each month, send one copy of this Monthly Report to the North American Mission Board (NAMB), one to your local supervisor, one to your state leader, and keep a copy.
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笔者选用具有一维结构的纳米粘土——凹凸棒，制备出对PET具有增韧作用、能提高其结晶速率的纳米凹凸棒母料（NAMB），然后将其与PET等共混，制得PET/NAMB复合材料，在保持材料一定拉伸强度的情况下，大幅度提高了其缺口冲击强度。．
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