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SHIS HUANG - polymer, 2002 - ndltd.ncl.edu.tw
本研究利用乳酸寡聚體, 以擴鏈的方式, 添加雙酚A 型環氧樹酯, 合成聚乳酸與環氧樹酯共聚物.
首先使用左旋丙交酯(L-lactide) 開環聚合合成聚左旋乳酸(PLLA), 藉由固定單體丙交酯與開環劑 …

A Comparison of the United State and Saudi Arabia on Citizen's Perceptions on the Influence of Family Structure on Juvenile Delinquency

R Jamily - 2015 - search.proquest.com
The current study sought to investigate whether gender, age, income, and religion's
influence of family structure affect juvenile delinquency in a similar manner in both the US …