论文部分内容阅读
板桥水库水生态保护瓶颈与对策
【出 处】
：
河南水利与南水北调
【发表日期】
：
2020年5期
其他文献
Economic factors along with legislation and policies to counter harmful pollution apply specifically to maritime drive research for improved power generation an
This paper aims to evaluate the feasibility of pressure-dependent models in the design of ship piping systems. For this purpose, a complex ship piping system is
Multiple Nonlinear Regression Analysis for the Stability of Non-overtopping Perforated Quarter Circl
Breakwaters have been built throughout the centuries for the coastal protection and the port development, but changes occurred in their layout and criteria used
Stealth security has always been considered as an important guarantee for the vitality and combat effectiveness of submarines. In accordance with the stealth re
[目的]筛选与小麦耐低钾性状相关的标记,为揭示小麦耐低钾性状的遗传机理奠定基础.[方法]本研究以198份中国黄淮南片麦区的小麦品种(系)作为供试群体.小麦种子发芽后,幼苗在
More than 10000 different types of ship ply the waters of Bangladesh all year round, but the performance of these ships in terms of CO2 emission is not known an
戏曲理论发展到明代，已经蔚为大观。到了晚明，新出现的戏曲品评形式经过吕天成和祁彪佳的努力，已经成熟并惠及后世戏曲理论的发展。祁彪佳在吕天成的基础上继承发扬，使戏曲品评理
This study presents the results of a 2D numerical modeling investigation on the performance of non-reshaping berm breakwaters with a special look at the spatial