In recent years, increasing the awareness on the environmental problems, especially global warming, has increase the concerns about the impact of emissions on the global climate. The current study was conducted to evaluate and analyze the environmental effects of rapeseed production in the form of life cycle using SimaPro software with the aim concentration on climate changes and impact of acid...

organotin compound that have at least one sn-c bond have wide commercial applications as pvc stabilizer, antifouling agent in paint and as agrochemicals. the general formula for organotin compounds is r4snx4 - n where r is normally alkyl or aryl groups and x=cl-, oh-, ch3coo- . if n=3, the compound has the highest toxicity, for example et3snoac has ld 50 4mg/kg ( rats ) and this is the most tox...

introduction: research shows that there is a relationship between students’ perceptions of classroom and learning environment and their cognitive, affective, emotional and behavioral outcomes, so, in this study the relationship between medical students’ perception of learning environment and academic emotions was examined. methods: the research method used was descriptive-correlative. the stati...

abstract background and purpose: ethical climate is hinged upon organizational culture, rules, and policies; nurses’ perception of this concept varies according to the ward they are working on and the new rules of the treatment system. this can exert adverse impact on their care method and performance. thus, this study aimed to determine nurses’ perceptions of the ethical climate governing the ...

the spanish turbot aquaculture sector holds a top position in the international market. thisactivity is mainly developed along the galician coast (nw spain). this article evaluates the environmentalperformance of galician turbot aquaculture according to the life cycle assessment (lca) methodology.previously, on account of the expected relevance of feed for aquaculture, marine aquafeed productio...