搜索筛选:
搜索耗时2.1470秒,为你在为你在102,285,761篇论文里面共找到 7 篇相符的论文内容
发布年度:
[学位论文] 作者:SHOAIB AKHTAR,,
来源:华中农业大学 年份:2018
由于农业经营面临变化的经济和自然环境,农业活动面临着广泛的风险。农业的不确定性和风险在性质上是多样的,包括天气条件和动物疾病这类事件;农产品、以及肥料和其他投入品...
Factors influencing hybrid maize farmers' risk attitudes and their perceptions in Punjab Province, P
[期刊论文] 作者:Shoaib Akhtar,LI Gu-cheng,Raza,
来源:农业科学学报:英文版 年份:2018
...
Maize production under risk:The simultaneous adoption of off-farm income diversification and agricul
[期刊论文] 作者:Shoaib Akhtar,LI Gu-cheng,Adna,
来源:农业科学学报:英文版 年份:2019
Farmers in Pakistan continue to produce maize under various types of risks and adopt several strategies to manage those risks. This study is the first attempt t...
[期刊论文] 作者:Shoaib Akhtar,LI Gu-cheng,Raza,
来源:城市道桥与防洪 年份:2018
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...
Maize production under risk: The simultaneous adoption of off-farm income diversification and agricu
[期刊论文] 作者:Shoaib Akhtar,LI Gu-cheng,Adna,
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...
Aluminium and cerium co-doped ZnO nanoparticles:Facile and inexpensive synthesis and visible light p
[期刊论文] 作者:Irshad Ahmad,Muhammad Shoaib Akhtar,Ejaz Ahmed,Mukhtar Ahmad,
来源:稀土学报(英文版) 年份:2021
Facile combustion route synthesized Al and Ce co-doped ZnO nanoparticles photocatalysts were char-acterized using XRD,SEM,BET,EDS,UV-visible DRS,PL,photocurrent...
Synthesis of yttrium and cerium doped ZnO nanoparticles as highly inexpensive and stable photocataly
[期刊论文] 作者:Irshad Ahmad,Muhammad Shoaib Akhtar,Mian Faisal Manzoor,Muhammad Wajid,Muhammad Noman,Ejaz Ahmed,Mukhtar,
来源:稀土学报(英文版) 年份:2021
Yttrium and cerium co-doped ZnO nanoparticles were synthesized by combustion route and charac-terized using X-ray diffraction(XRD),scanning electron microscopy(...
相关搜索: