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人类已经进入信息时代即高科技时代,科学技术在各方面都发生了深刻的变化和取得了辉煌成就。本文就工程技术方面讨论它最活跃的发展前沿,它包括信息技术、材料技术、生物技术和先进制造技术等。 相似文献
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The effect of membrane thickness of mieroeapsule, measured by optical microseope duplex focusing, on its permeability coefflcient is discussed. The results reveal that the membrane thickness is of great imiportance on the permeabillty coefficient with changes of formaldehyde dosage, complex coacervation times, core dosage, agitation rate and emulsification time. 相似文献
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