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Energy Geoscience 2022年第3期3卷 314-322页

作者： Abbass Kataya Ehsan Khamehchi masoud bijani Department of Petroleum Engineering Amirkabir University of Technology(Tehran Polytechnic)TehranIran

The effect of brine salinity,cation type,pH,and produced sand on zeta potential(ZP)measurements with and without the presence of silica nanoparticles is investigated through pH measurement,static tests for sand and ZP measurements as well as Field Emission Scanning Electron Microscope(FESEM)*** important factors were investigated:composition of the injected brine,surface charge and *** influence on stability of nanoparticles in the injected brine and amount of sand segregation was determined and the analysis of the new outcomes based on rock/brine ZP measurements was *** results show that the use of silica nanoparticles with high pH helps in preventing sand production and that pH has a main effect on the surface charge of the sand particle released,affecting the ZP of the *** can be active as a coating on sand grains and prevent sand segregation during water *** cations have been found to acquire a more substantial impact on neutralizing the negative charge of the sand particles than monovalent cations at the same concentration and pH conditions at 25℃.The value of ZP becomes of higher negative value with the decrease of brine *** effectiveness of SiO_(2)nanoparticles is quite different for soft water and smart *** soft water,the nanoparticles work more effective at pH higher than 8;and for smart water,the nanoparticles perform better at pH lower than *** reduce sand production with the use of silica nanoparticles,it is highly suggested to increase pH,as pH and sand production mechanisms were observed to be inversely related.

关键词： Sand production Zeta potential Silica nanoparticle Smart water Soft water pH effect

The mediating role of environmental emotions in transition from knowledge to sustainable use of groundwater resources in Iran's agriculture

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International Soil and Water Conservation Research 2018年第2期6卷 143-152页

作者： Aliakbar Raeisi masoud bijani Mohammad Chizari Department of Agricultural Extension and Education College of AgricultureTarbiat Modares University(TMU)Tehran ***Iran

The excessive use of groundwater resources has created numerous environmental consequences in Iran. Many water experts believe that this crisis can be overcome by fostering sustainable environmental behavior in the utilization of groundwater resources and increasing the farmers' environmental knowledge, attitude and emotions. The objective of this study was to investigate transformation of en-vironmental knowledge to sustainable use of groundwater resources through the analysis of the med-iating role of environmental emotions in Iran's agriculture. This research was carried out via a survey technique within the category of descriptive-correlation and causal-relational research. All the wheat producing farmers of Sistan and Baluchestan Province, which is a clear example of critical conditions for groundwater resources in Iran (N=168,873), constituted the statistical population of the study of whom 384 participants were selected using a stratified random sampling method. The research instrument was a questionnaire whose validity was confirmed by a panel of professionals in agricultural extension, education and water management. The reliability of the items of the questionnaire was also evaluated via a pilot study and Cronbach's alpha (0.70≤α≤0.84). The results of the causal analysis indicated that environmental knowledge (β=0.309) and environmental emotions (β=0.565) have the significant in-fluence on sustainable environmental behavior in the utilization of groundwater among wheat farmers. Therefore, it can be said environmental emotions is an important mediating factor for potentially im-proving water stakeholders' sustainable environmental behavior.

关键词： Sustainable environmental behavior (SEB) Groundwater Environmental knowledge (EK) Environmental emotions (EE) Causal analysis

Pro-environmental analysis of farmers'concerns and behaviors towards soil conservation in central district of Sari County,Iran

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International Soil and Water Conservation Research 2017年第1期5卷 43-49页

作者： masoud bijani Ezatollah Ghazani Naser Valizadeh Negin Fallah Haghighi Department of Agricultural Extension and Education College of AgricultureTarbiat Modares University(TMU)Tehran ***Iran Department of Agricultural Extension and Education College of AgricultureShiraz UniversityShirazIran Research Institute for New Technology Development Studies(RINTDS) Iranian Research Organization for Science and Technology(IROST)Tehran ***Iran

This study aimed to pro-environmentally analyze farmers'concerns and behaviors towards soil *** research was a descriptive,causal,and correlational and conducted through a survey *** study population consisted of all farmers at the central district of Sari county,Iran(N=9621).Based on the Cochran's formula,120 farmers were selected using stratified random *** instrument employed in this study was a questionnaire with its validity being confirmed by a number of academic experts and agriculture specialists and its reliability being proved using Cronbach's alpha coefficients in a pilot study(outside the scope of the current study).(0.66≤α≤0.90).The results of the analysis regarding the effects of independent variables on the variables"soil conservation behavior"and"soil conservation concern"indicated that,among the variables affecting these two variables,the variable"attitude towards soil conservation"was the most powerful predictor of"soil conservation concerns"and the variable"social pressures on soil conservation"predicted farmers'"soil conservation behaviors"***,the independent variables used in this research could predict 42% of the variance in terms of soil conservation concern and 21% of the variance in terms of soil conservation *** findings can be practical and appropriate for executive officials since,instead of making efforts to direct change the behavior,they can first focus on conceptual changes and persuasive changes like changing attitudes towards soil conservation.

关键词： Soil conservation behavior Soil conservation concern Farmers Sari County

Sustainability criteria of apicultural industry:evidence from Iran

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Ecosystem Health and Sustainability 2020年第1期6卷 617-629,616页

作者： Mohammad Kazem Rahimi Enayat Abbasi masoud bijani Gholamhosein Tahmasbi Ali Akbar Azimi Dezfouli Department of Agricultural Extension and Education College of AgricultureTarbiat Modares University(TMU)TehranIran Animal Science Research Institute(ASRI) Agricultural ResearchEducation and Extension Organization(AREEO)KarajIran Agricultural Planning Economicsand Rural Development Research Institute(APERDRI)Ministry of Agriculture-JihadTehranIran

This study aimed to determine the sustainability criteria of the beekeeping industry in Iran,which was performed using three-stage classical Delphi *** participants were 32 experts in beekeeping industry who were purposefully selected using the snowball sampling *** criteria identified,after three Delphi stages,consisted of 70 items,which were categorized into 13 general criteria and into four economic,environmental,social,and institutional *** general criteria were presented in the form of a conceptual model,including:farmers’environmental behavior quality,beekeepers'environmental behavior quality,the quality of marketing and sales of beekeeping productions,productivity and performance improvement,amount of monetization from pollinations'right,the amount of monetization of byproducts and value added,employment rate and job stability,the level of social development of stakeholders,the quality of the role-playing of non-governmental stakeholders,the quality of extension and education new sciences and technologies to stakeholders,comprehensiveness of laws and programs,quality of role-playing of stakeholder non-governmental organizations,and the quality of the roleplaying of governmental institutions *** them,a comprehensive perception of the necessary criteria for the sustainability of Iran's beekeeping industry can be obtained and a comprehensive program can be designed for its implementation.

关键词： Sustainable apiculture agricultural sustainability conceptual model Delphi technique