ONYM 发表于 2025-3-26 21:44:36
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Biodiesel Production by Transesterification of Recycled Vegetable Oilsination of the acid number and the flashpoint, through the study of density and viscosity variations at different temperatures, and by infrared spectroscopy. The latter shows us that the formed biodiesels are indeed methyl esters of fatty acids. A comparison between these two types of synthesized bi柱廊 发表于 2025-3-27 06:27:19
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How Much and Which Theology in Religious Education? On the Intimate Place of Theology in the Public this chapter is the contemporary school in Europe. It has been developing in recent years into a highly organized institution with many procedures of professionalism and accountability. Every school (private or public) is expected to contribute to the common good and to demonstrate the adequacy of i甜瓜 发表于 2025-3-27 14:33:30
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