Based on the Wassily W. Leontief input–output model, this paper constructs an emergy model of agricultural eco-economic system based theory. This overcomes three limitations traditional model. First, conversion rate ecological energy is used to solve problem posed by fact that material table cannot be directly combined due different measurement units substances. Second, it transforms research o...

BACKGROUND Impact of two widely used commercial herbicides, i.e. Aminopielik D 450 SL and Chwastox 300 SL, on the uptake and translocation of selected heavy metals in wheat plants Triticum aestivum L. cultivated in the laboratory pot experiments was investigated. Mineral-humus, loamy sand soil representative for the central part of Poland was applied. Bioavailable, exchangeable and total forms ...

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the data of this study was collected from 252 teachers, principals and vice-principals offemales’ high schools in district one through one researcher-administered questionnaire, and was then analyzed. the validity of the questionnaire was approved by seven university professors. cronbach’s alpha was used in order to measure the reliability of the questionnaire. the total calculated alpha was 0....

objective(s) the aim of this study was to investigate the overall effect of cardiac vasoactive factors during coronary occlusion and reperfusion on peripheral vascular tone, using a sequential isolated rabbit heart-ear perfusion model. materials and methods isolated ears were perfused with the effluent of isolated hearts subjected to ischemia (30 min) and reperfusion (180 min, n=6). the compara...

In our recent study we showed that single-component emulsion drops, stabilized by proper surfactants, can spontaneously break symmetry and transform into various polygonal shapes during cooling [ Denkov Nature 2015 , 528 , 392 - 395 ]. This process involves the formation of a plastic rotator phase of self-assembled oil molecules beneath the drop surface. The plastic phase spontaneously forms a ...

Lipotropic action of choline In 1924 Allan, Bowie, Macleod, and Robinson' reported that depancreatized dogs receiving adequate amounts of insulin and maintained on a diet of lean meat, sucrose, and bone ash did not survive for periods of longer than a few months. They also observed that symptoms of failure of liver function due to fat infiltration of the liver found in such animals could be pre...

Microbial fuel cell (MFC) technologies are making headway in developing and expanding renewable energy through the conversion of organic matter to electricity. Various substrates can be used MFCs technology enable generation, either pure substances or complex mixtures materials. This study aims consider feasibility raw honey as a for mediator-less double-chamber MFC. The voltage was monitored H...