论文部分内容阅读
本文通过对荣华二采区10<
Evapotranspiration of a Populus euphratica Oliv. forest and its controlling factors in the lower Hei
【摘 要】
：
本文通过对荣华二采区10
【机 构】
：
Alax Desert Eco-hydrology Experimental Research Station, Northwest Institute of Eco-Environment and
【出 处】
：
黑龙江科技信息
【发表日期】
：
2017年2期
其他文献
Fossil Taiwannia from the Lower Cretaceous Yixian Formation of western Liaoning, Northeast China and
本文通过对荣华二采区10
This work presents a reference system overview to improve the efficiency of biological improvement of saline-alkali soil developed during the last thirty years, ranging from connotation, general metho
:材料是工业的基础.近年来,我们国家也越来越重视新材料的发展,上海也把新材料列为九大高新技术领域进行重点培育和扶持;但具体到如何发展,似乎还有那么一点模糊.那么,从新材
近年来,从东南亚大海啸到四川汶川大地震再到海地地震,再到如今的智利地震,自然的强力令科技文明时代的人类再次感受到了自身的孤独与渺小.由此,人类应该作出反思:在与天灾的
Radiation balance and the response of albedo to environmental factors above two alpine ecosystems in
本文通过对荣华二采区10
本文通过对荣华二采区10
Seed germination and early seedling growth are crucial stages for plant establishment. Two neutral(Na Cl and Na2SO4) and two alkali(Na HCO3 and Na2CO3) salts were selected to investigate their effects