A Study on Optimal Scale of China Gold Reserves
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In this research, the performance of a laboratory scale heat exchanger was observed by the inlet and outlet temperature of hot oil and cold water fluids based
Nomenclature ng Number of generators in the network nb Number of buses in the network nbr Number of branches in the network nl Number of loads in the network αk,βk,γk Generator k
原因可归结为以下三点：1、有固定的工资收入；2、对国外旅游向往；3、自我可 支配性较强。 最后，笔者从250份问卷中调查团体游客的职业构成，分为以下五个方面： 公务员、事业单位、经商、个体及其他。 图3团体职业结构分布图 从职业结构可以看出，团体游客占比重最大的是个体和经商，原因归结于以
Based on this, this study attempts to understand the current state of online learning engagement among music education undergraduates in a blended learning environment from three
Finally, in order to explore the possibility of other bridg- ing structures on the small gold clusters, MP2 calculations were performed to search for double-bridged structures that
Kết luận Nghiên cứu đã xây dựng quy trình công nghệ chế biến các sản phẩm bột Nưa, bột Nưa kỹ thuật và bột Nưa tinh chế qui mô pilot với nguyên liệu đầu vào 200 kg củ Nưa tươi/ngày
This is an open-access article distributed under the terms of the Creative Commons Attribution- NonCommercial 4.0 International License CC BY-NC 4.0 Funding: This research did not
