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VizUp Streamline 是一个特设的多边形优化和降噪系统，可让您减少多边形在一个复杂的三维模型，同时保留的质量和原始外观的。最终的结果减少是一个三维模型，以良好的均衡水平上的细节和规模，这是完美的使用在虚拟现实和实时可视化系统。

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VizUp Streamline 是一个特设的多边形优化和降噪系统，可让您减少多边形在一个复杂的三维模型，同时保留的质量和原始外观的。最终的结果减少是一个三维模型，以良好的均衡水平上的细节和规模，这是完美的使用在虚拟现实和实时可视化系统。

本资料为：从零开始Revit Architeture，内容详细具体，可供参考。

各种单位转换公式

This study presents a nonlinear optimization technique (NOT) for conducting the back analyses of geotechnical engineering problems based on the field observations. Additional auxiliary techniques are incorporated to enhance the convergence and stability of the NOT. The developed NOT and additional auxiliary techniques are incorporated into a finite element code and then applied to the back analysis of excavation-induced wall deflection. A number of hypothetical excavation cases with various scenarios of stratigraphy and two quality excavation case histories are used to validate the developed NOT, in which the dominant soil parameters are treated as target parameters. Results show that the wall deflections of all hypothetical and actual excavation cases at each stage can be accurately and efficiently backfigured.

讲解的很详细，适合新手参考，这里分享给大家希望能对新手有一定的帮助

讲得非常不错，很清楚！

Abstract--COD and nitrogen balances were performed on four different types of laboratory-scale activated sludge system: aerobic, anoxic, anoxic-aerobic and anaerobic-anoxic-aerobic (biological excess phosphorus removal systems). The systems included a variety of configurations, with differing wastewater characteristics and operating parameters. The results suggest that good COD balances are to be expected in aerobic and anoxic-aerobic systems. Systems incorporating anaerobic zones exhibit low COD balances (less than 80%). Fermentation in the anaerobic zone apparently is implicated in this "loss" of COD. The consequences of the COD "loss" include both a significant decrease in oxygen requirements and in sludge production compared to aerobic or anoxic-aerobic systems. Possible mechanisms for the loss of COD and areas which require further study are discussed.