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Is the feminization of labor harmful to agricultural production?The decision-making and production c
[期刊论文] 作者：LIU Jia-cheng,XU Zhi-gang,ZHEN,
来源：农业科学学报:英文版 年份：2019
Even today,academics continue to debate the effect of feminization of agricultural labor force on agricultural output.By considering the dimensions of participa...
[期刊论文] 作者：LIU Jia-cheng,XU Zhi-gang,ZHEN,
来源：城市道桥与防洪 年份：2019
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
A Three-dimensional Self-penetrating Co(Ⅱ) Coordination Polymer Containing a 2D → 3D Parallelly Poly
[期刊论文] 作者：XIAO Guo-Bin,FANG Zi-Han,YAO Xiao-Qiang,LIU Jia-Cheng,
来源：黑龙江科技信息 年份：
本文通过对荣华二采区10...
Synthesis and Study of Spectroscopic Properties of 5-(1-Oxido-3-pyridyl)-10,15,20-triphenyl Porphyri
[期刊论文] 作者：GUO Guo-Zhe,ZHENG Xv-Dong,ZHU Ji-Hua,ZHANG Yu-Quan,LIU Jia-Cheng,
来源：黑龙江科技信息 年份：2018
本文通过对荣华二采区10...
Synthesis and Crystal Structure of a Novel Dinuclear Copper(Ⅱ)Complex Containing Benzimidazole Schif
[期刊论文] 作者：LIU Jia-Cheng,CHEN Li-Wei,SONG Xue-Yan,HONG Hui-Qin,CHU Zhao-Xia,
来源：黑龙江科技信息 年份：2011
本文通过对荣华二采区10...
Synthesis, Crystal Structure and Photoluminescent Property of a Novel Disilver Complex with Pyraziny
[期刊论文] 作者：WEI Yun,LIU Jia-Cheng,YANG Yun-Xia,YAO Xiao-Qiang,HU Dong-Cheng,SONG Xue-Yan,
来源：黑龙江科技信息 年份：2013
本文通过对荣华二采区10...
[期刊论文] 作者：GUO Guo-Zhe,ZHANG Yan-Min,ZHANG Yu-Quan,ZHENG Xv-Dong,LI Yan-Chun,LIU Jia-Cheng,
来源：黑龙江科技信息 年份：2019
本文通过对荣华二采区10...
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