论文部分内容阅读
鸡西矿业集团公司张辰煤矿西三采区3<
建筑电气工程安装中有关问题探究
【摘 要】
：
鸡西矿业集团公司张辰煤矿西三采区3
【出 处】
：
黑龙江科技信息
【发表日期】
：
2013年24期
其他文献
As COVID-19 spread around the world, it became clear that all economies would be affected by it. However, it was also evident that all economies would not be af
期刊
古树具有极高的观赏、研究及生态价值,开展对古树的保护和复壮工作尤为重要.本文以歙县石门乡一株二级古树南方红豆杉为例,从其基本情况、受损原因着手,介绍了古树修复的主要
2020年11月6日,主题为“湿地与水调节”的安徽省第五个湿地日宣传活动在肥东十八联圩举行.省政府副省长周喜安出席并宣布2020“安徽湿地日”活动启动,国家林草原局湿地管理司
期刊
When I started practicing traditional martial arts back in high school, I did it merely for extra marks in the College Entrance Examination.But the actual benef
期刊
On December 18, 2020, a Chinese agricultural expert team set off for Burkina Faso to carry out a new round of agricultural technical assistance there.
期刊
【摘 要】本文综合考虑方案可靠性、环保性、经济性、适应性、节能性、示范性等方面的因素，对实际项目的六种可行方案进行比对分析，并利用权重赋值法对各方案进行综合评分，结果表明集中地源热泵系统在此项目中最为合适。方案选定所采用的多因素权重赋值方法科学合理，值得今后相似工程的借鉴。 【关键词】能源站，权重赋值法，方案优选 Abstract： In this paper， six feasible en
The World Bank forecasts the global economy to expand by 4 percent, with China’s economy expected to grow by 7.9 percent in 2021, nearly double the expected gl
期刊
“Extremely extraordinary.” This was the top policymakers' conclusion on 2020 as they took part in the Central Economic Work Conference in Beijing from Decembe
期刊