Sustainable Environment and in the Context of Environment Economy Necessary and an Analyze

In global world, the environment has become a scarce resource. Since economics is about how to deal with scarce resources, environment and economics are interrelated with each other. On the other hand it is also clear that economics which creates both positive and negative externalities, affects the environment. For this reason, it is not possible to except environmental problems from the economics. Today some socio-economic activities like increasing consumption based on shopping malls, urban regeneration, fast population growth and etc. have being created environmental cost. One way of using economics is to ensure that the costs and the benefits of environmental measures are well balanced. Although it is difficult to estimate costs and benefits, there is an increasing demand that this is should be done before the economical activity. Economic and environmental objectives are often perceived as being contradictory. It is believed that a choice must be made between one and the other and that cannot be achieved concurrently. To change this perception, some measures should be taken on both national and international level.  At this point, an efficient environmental auditing is being important day by day to ensure environmental economics. In this study we will research what was done in the world in terms of environmental economics. In this context, we will examine what will have to do in Turkey in terms of legislation

Expansion for Who, Markets or the Poor?

Abstract: In this study we examine the impacts of monetary expansion policies executed by the Federal Reserve on poverty in the United States of America. It has been discussed in various studies that the Fed’s expansionary monetary policies create a less positive impact on economy as a whole than financial sector. In this study, the expansionary effects of policies on the poor living in America will be discussed. The main thesis of the study is that the poor living in the United States benefited less from expansionary monetary policies than either financial sector or the US economy as a whole. When discussing the thesis of the study both employed and unemployed poor will be discussed. Therefore, it will be questioned that the decrease in the unemployment rate is the indicator of the fight against poverty. Indicators such as indices and interest rates in the financial markets, and indicators such as growth rates and unemployment rates in the non-financial markets are regarded as essential indicators but as for poverty it’s hard to find such regarded indicators. Unfortunately, there are not too many statistics about the poor living in the United States in the reports of the international organizations. Thus the main trouble of the study is that international comparisons are almost impossible. Therefore, various indicators produced by the U.S. government agencies of various indicators will be used in this study

Mathematical knowledge and skills expected by higher education in engineering and the social sciences: Implications for high school mathematics curriculum

Cataloged from PDF version of article.One important function of school mathematics curriculum is to prepare high school students with the knowledge and skills needed for university education. Identifying them empirically will help making sound decisions about the contents of high school mathematics curriculum. It will also help students to make informed choices in course selection at high school. In this study, we surveyed university faculty members who teach first year university students about the mathematical knowledge and skills that they would like to see in incoming high school graduates. Data were collected from 122 faculty members from social science (history, law, psychology) and engineering departments (electrical/electronics and computer engineering). Participants were asked to indicate which high school mathematics topics and skills they thought were important to be successful at university education in their field. Results were compared across social science and engineering departments. Implications were drawn for curriculum specialists, students, and mathematics educators

The inexorable resistance of inertia determines the initial regime of drop coalescence

Drop coalescence is central to diverse processes involving dispersions of drops in industrial, engineering and scientific realms. During coalescence, two drops first touch and then merge as the liquid neck connecting them grows from initially microscopic scales to a size comparable to the drop diameters. The curvature of the interface is infinite at the point where the drops first make contact, and the flows that ensue as the two drops coalesce are intimately coupled to this singularity in the dynamics. Conventionally, this process has been thought to have just two dynamical regimes: a viscous and an inertial regime with a crossover region between them. We use experiments and simulations to reveal that a third regime, one that describes the initial dynamics of coalescence for all drop viscosities, has been missed. An argument based on force balance allows the construction of a new coalescence phase diagram

Metal Insulator transition at B=0 in p-SiGe

Observations are reported of a metal-insulator transition in a 2D hole gas in asymmetrically doped strained SiGe quantum wells. The metallic phase, which appears at low temperatures in these high mobility samples, is characterised by a resistivity that decreases exponentially with decreasing temperature. This behaviour, and the duality between resistivity and conductivity on the two sides of the transition, are very similar to that recently reported for high mobility Si-MOSFETs.Comment: 4 pages, REVTEX with 3 ps figure

Plethora of transitions during breakup of liquid filaments.

Thinning and breakup of liquid filaments are central to dripping of leaky faucets, inkjet drop formation, and raindrop fragmentation. As the filament radius decreases, curvature and capillary pressure, both inversely proportional to radius, increase and fluid is expelled with increasing velocity from the neck. As the neck radius vanishes, the governing equations become singular and the filament breaks. In slightly viscous liquids, thinning initially occurs in an inertial regime where inertial and capillary forces balance. By contrast, in highly viscous liquids, initial thinning occurs in a viscous regime where viscous and capillary forces balance. As the filament thins, viscous forces in the former case and inertial forces in the latter become important, and theory shows that the filament approaches breakup in the final inertial-viscous regime where all three forces balance. However, previous simulations and experiments reveal that transition from an initial to the final regime either occurs at a value of filament radius well below that predicted by theory or is not observed. Here, we perform new simulations and experiments, and show that a thinning filament unexpectedly passes through a number of intermediate transient regimes, thereby delaying onset of the inertial-viscous regime. The new findings have practical implications regarding formation of undesirable satellite droplets and also raise the question as to whether similar dynamical transitions arise in other free-surface flows such as coalescence that also exhibit singularities.The authors thank Dr. Pankaj Doshi for several insightful discussions. This work was supported by the Basic Energy Sciences program of the US Department of Energy (DE-FG02-96ER14641), Procter & Gamble USA, the Chevron Corporation, the UK Engineering and Physical Sciences Research Council (Grant EP/H018913/1), the John Fell Oxford University Press Research Fund, and the Royal Society.This is the final published version. It first appeared via PNAS at http://dx.doi.org/10.1073/pnas.141854111

The European Registered Toxicologist (ERT) : Current status and prospects for advancement

Acknowledgements We would like to thank the participants of the five workshops in which the issues presented in this paper were discussed and the revised guidelines prepared, as well as the EUROTOX Executive Committee and the societies of toxicology of Sweden, the Netherlands, Switzerland, Austria and France for their support which allowed the workshops to take place.Peer reviewedPostprin

Expansion for Who, Markets or The Poor?

In this study we examine the impacts of expansionary monetary policies executed by the Federal Reserve on poverty in the United States of America. It has been discussed in various studies that the Fed’s expansionary monetary policies create a less positive impact on economy as a whole than financial sector. In this study, the expansionary effects of expansionary policies on the poor living in America will be discussed. The main thesis of the study is that the poor living in the United States benefited less from expansionary monetary policies than either financial sector or the US economy as a whole. When discussing the thesis of the study both employed and unemployed poor will be discussed. Therefore, it will be questioned that the decrease in the unemployment rate is the indicator of the fight against poverty.Indicators such as indices and interest rates in the financial markets, and indicators such as growth rates and unemployment rates in the overall economy are regarded as essential indicators but as for poverty it’s hard to find such regarded indicators. Unfortunately, there are not too many statistics about the poor living in the United States in the reports of the international organizations. Thus the main trouble of the study is that international comparisons are almost impossible. Therefore, various indicators produced by the U.S. government agencies of various indicators will be used in this study

Sustainable Environment and in the Context of Environment Economy Necessary and an Analyze

:In global world, the environment has become a scarce resource. Since economics is about how to deal with scarce resources, environment and economics are interrelated with each other. On the other hand it is also clear that economics which creates both positive and negative externalities, affects the environment. For this reason, it is not possible to except environmental problems from the economics. Today some socio-economic activities like increasing consumption based on shopping malls, urban regeneration, fast population growth and etc. have being created environmental cost. One way of using economics is to ensure that the costs and the benefits of environmental measures are well balanced. Although it is difficult to estimate costs and benefits, there is an increasing demand that this is should be done before the economical activity. Economic and environmental objectives are often perceived as being contradictory. It is believed that a choice must be made between one and the other and that cannot be achieved concurrently. To change this perception, some measures should be taken on both national and international level.  At this point, an efficient environmental auditing is being important day by day to ensure environmental economics

The relationship between ghrelin levels and insulin resistance in men with idiopathic hypogonadotrophic hypogonadism at diagnosis and after therapy

Wstęp: Ostatnio wykazano, że grelina wpływa na bilans energetyczny i czynności rozrodcze, jednak jej rola w patogenezie insulinooporności nadal nie została wyjaśniona. Celem badania jest przede wszystkim ocena zależności między insulinoopornością i stężeniem greliny u mężczyzn z hipogonadyzmem, a następnie wykazanie wpływu leczenia testosteronem na stężenia insuliny i greliny. Materiał i metody: Do badania włączono 24 mężczyzn z nowo rozpoznanym idiopatycznym hipogonadotropowym hipogonadyzmem (IHH, idiopathic hypogonadotropic hypogonadism) i 20 zdrowych mężczyzn. Stężenie greliny, insuliny, glukozy, testosteronu całkowitego i wolnego, wartości wskaźników HOMA-IR i QUICKI oraz procentową zawartość tłuszczu w organizmie określono u wszystkich osób na początku badania, a u mężczyzn z hipogonadyzmem również po zakończeniu terapii. Wyniki: U mężczyzn z hipogonadyzmem stwierdzono istotnie niższe stężenia całkowitego i wolnego testosteronu, greliny i mniejszą wartość wskaźnika QUICKI niż w grupie kontrolnej, natomiast procentowa zawartość tłuszczu w organizmie, i wartość wskaźnika HOMAIR były wyższe u mężczyzn z IHH niż u zdrowych mężczyzn. Po leczeniu testosteronem u mężczyzn z hipogonadyzmem odnotowano istotne zwiększenie stężenia greliny i wskaźnika QUICKI oraz zmniejszenie wartości wskaźnika HOMA-IR i masy tkanki tłuszczowej. Obliczono współczynnik korelacji Pearsona i wykazano, że u mężczyzn z hipogonadyzmem stężenie greliny jest skorelowane dodatnio ze stężeniami całkowitego i wolnego testosteronu i wartością wskaźnika QUICKI oraz ujemnie z zawartością tkanki tłuszczowej i wskaźnikiem HOMA-IR. Po 6 miesiącach terapii testosteronem korelacje te nadal były obecne. Wnioski: Powyższe dane potwierdzają tezę, że grelina może stanowić wspólne ogniwo dla mechanizmów regulujących funkcje rozrodcze i homeostazę metaboliczną. (Endokrynol Pol 2010; 61 (4): 351-358)Introduction: It has recently been shown that ghrelin affects energy balance and reproductive function, but the role of ghrelin in the pathogenesis of insulin resistance is unclear. Firstly to assess the interaction between insulin resistance and ghrelin levels in hypogonadal men, and then to show the effects of testosterone (T) therapy on insulin and ghrelin. Material and methods: Twenty-four male patients newly diagnosed with idiopathic hypogonadotropic hypogonadism (IHH) and 20 healthy male subjects were enrolled in this study. Ghrelin, insulin, glucose, total and free testosterone levels, HOMA-IR and QUICKI, and percentage of body fat mass were determined at baseline in all subjects and after therapy in hypogonadal men. Results: When compared with control subjects, hypogonadal men had significantly lower total and free T concentrations, ghrelin levels, and QUICKI whereas they had significantly higher body fat mass and HOMA-IR score. Following T therapy, a significant increase in ghrelin and QUICKI, and a decrease in HOMA-IR score and body fat mass were demonstrated in hypogonadal men. Calculation of the Pearson coefficient showed that ghrelin concentrations in hypogonadal men were positively correlated with free and total testosterone and QUICKI, whereas they were negatively correlated with body fat mass and HOMA-IR. After six months of T therapy, these correlations were still observed. Conclusions: Our data supports the notion that ghrelin may constitute an important link between the regulation of reproduction and metabolic homeostasis. (Pol J Endocrinol 2010; 61 (4): 351-358