论文部分内容阅读
The Salt Reduction and Yield Increase Effects of Smashing Ridging Transforming Saline-alkali Land an
【机 构】
:
CashCropsResearchInstitute
【出 处】
:
气象与环境研究:英文版
【发表日期】
:
2018年4期
【基金项目】
:
Supported by National Science and Technology Support Program(2014BAD06B05).
其他文献
<正> 我国是一个产煤大国,煤炭一直是支撑国民经济发展的重要能源之一。随着国民经济的快速发展,煤炭的消耗量也不断增加,因此,经济发展的同时也带来严重的环境问题。我国城
Advantages and disadvantages of three extraction methods( acetone grinding,heating and freezing extraction methods) in determination of chlorophyll a in surface
Resource Characteristics and Sustainable Utilization Countermeasures of Polygonatum cirrhifolium , a
Polygonatum cirrhifolium is a rare and endangered Tibetan medicinal plant. In this paper, resource status of P. cirrhifolium^rom 13 counties of Tibet Plateau wa
给出了目前我国经济增长方式的定位,提出了技术进步是我国转变经济增长方式的一个重要切入点,阐明了知识产权保护对转变经济增长方式的促进作用.
<正> 一篇科技文稿之所以有其发表的价值,是因为它提供了某些科技信息——新成果、新技术、新方法、新经验等。但文稿所提供的全部信息未必都是有效的、正确的,或者这些有效
从教二十年多年来,我深刻体会到当好一名小学班主任,真得不是一件简单的事情。繁琐的千头万绪,难得一刻的心静。面对越来越多的孩子出现的“问题行为”。如:任性、自私、骄横、独
Advanced Treatment of Biologically Treated Chemical Comprehensive Wastewater by Nano-TiO2 Photocatal
Soil Heavy Metal Pollution and Health Risk Assessment of Abandoned Land in Coal Mining Areas in Xing
Total contents of heavy metals( Pb,Cr,Cd,Hg,As,Cu,Zn,and Ni) in 68 soil samples were determined to evaluate the contamination level of soil from five coal mine
Based on data of monthly sunshine duration in Shouguang City during 1961 -2013, changing features of sunshine duration and effects on greenhouse production in S