Analysis and design different solutions of steel truss based on Continente Bom Dia project

This project presents various design solutions for the roof structure of a Continente Bom Dia supermarket. In this project, was calculated the utilization of already built truss, checking the limit states according to Eurocode 3. In the next part of the project four different solutions were designed, with the same height and span. Calculated percentage of use of newly designed solutions (using Eurocode 3), results were compared with the truss built in the baseline construction of the Continente Bom Dia supermarket. In designing trusses it was important to maximize the percentage of using each cross-section and minimize the weight of the steel. In the embodiment of structural steel, an important and costly element is also the fire retardant paint coating. The studied solutions have been compared due to the cost of steel and fire retardant paint

Untwinkle, Untwinkle, Laser Star

Adaptive optics and a laser guide star will sharpen the Hale Telescope's vision

Potential role of new concession contracts in promoting the development of Iran's upstream oil and gas industry

The types and forms of oil and gas contracts play an important role in the negotiation of financing, operations, and risk and profit sharing in the development of the upstream oil and gas industry in Iran. Different forms of contracts co-exist in this globalised industry dominated by multinational oil and gas corporations. Increasingly, developed and developing countries have found it necessary to reconsider the forms of contract they enter into in consideration of whether they have served the nation’s interests in oil and gas development in the past, or are likely to in the future. Iran has a unique historical context and legal system in relation to oil and gas exploration and exploitation. This thesis focuses on the legal and contractual framework of the Iranian oil and gas industry from discovery to present day. This has been classified into three periods: from exploration of oil in Iran to nationalisation (1901-1951), from nationalisation to the Islamic revolution (1951-1979), and from revolution to the present day (1979-2017). It considers the strengths and weaknesses of past and present contractual forms having regard to the national interests of the Iranian government. Exerting State control over all oil production stages, especially upstream stages, has been popular from a historical perspective. However, regard should be given to the high costs of investment in oil projects and the risks where profitability and return of the capital is doubtful. In addition, oil-rich countries like Iran generally lack the required technology to efficiently exploit its resource fields as well as the financial resources for infrastructure development. The result has been a distortion of negotiations, particularly over all aspects of financing, infrastructure, and the allocation of project risks. The central theme of this thesis is the analysis of the concept of concession in oil and gas development. This is discussed through the main forms of concession contract; namely, the Classic Concession Contract (hereafter referred to as CCC) and the New Concession Contract (hereafter referred to as NCC). The present study examines the nature and features of the NCC as both a unique type of oil and gas contract and as a modified version of a concession contract. The research reviews other forms of contracts to have been adopted in Iran, and compares them with other arrangement such as joint venture contracts, production sharing agreements, service contracts, and buy-backs used internationally by sectors of the oil and gas industry. To consider the role of the NCC in developing national upstream oil and gas industry, comparative examples are drawn from countries currently using, or having previously used, NCC oil and gas contracts. The selected developed and developing countries are Brazil, Thailand, the United Kingdom, Australia and Norway. The analysis considers the extent to which the NCC has served to advance the objectives and national interests of the national governments in this industry. The implications for future contractual arrangements for this sector in Iran are considered, having regard to the experiences of the NCC discussed. The final chapters of the thesis focus on the relevant aspects of Iran’s Constitution and natural resource laws, and makes recommendations for law reform to Iran’s legal frameworks. It argues such reforms are required to implement the NCC as a contractual form for future upstream oil and gas development in Iran

Biosorption of nickel by Halobacillus sp. KN57 isolated from the Miankaleh Wetland, Iran

Heavy metals are generally discharged from untreated wastewater in the aquatic ecosystem. This study was aimed to investigating the effective parameters in the sorption of nickel metal by a native halophile bacterium isolated from sediments of the Miankaleh Wetland in the north of Iran. Halobacillus sp. KN57 as the most resistant Gram-positive strain was selected and identified by phenotypic and phylogenetic properties (16S rRNA). The optimum contact time, pH, temperature, salinity, and initial biosorbent concentration of nickel for this strain were 100 min, 7, 30°C, 10%, 1 g.L-1, and 150 mg.L-1, respectively. The nickel biosorption was 111.11 mg/g by the selected strain under the laboratory conditions, followed Langmuir isotherm with a correlation coefficient of more than 0.98 and the maximum single layer sorption. In addition, the kinetics of nickel biosorption of this strain correspond to a pseudo second order kinetic model with a correlation coefficient of more than 0.99. Scanning electron microscopy was applied to confirm the biosorption of Ni2+ by Halobacillus sp. KN57. Finally, the FT-IR spectrum identified that the amide, carbonyl, and amine functional groups were participated in binding to nickel ions. The results showed that the native bacterial strain (Halobacillus sp. KN57) isolated from Miankaleh Wetland, is potentially a promising biosorbent for sorption of nickel metal

Anatomy of a reindeer dissected in Copenhagen in 1672 by Niels Stensen as reported by Thomas Bartholin. I. Introduction by Troels Kardel. II. Translation by Paul Maquet

A report by Professor Thomas Bartholin on the dissection of a reindeer performed in 1672 by his former student Niels Stensen as Royal Anatomist in Copenhagen is presented in English translation with biographical introduction and bibliographical notes. The report is most likely the first of its kind being an early contribution to comparative anatomy

CHASE-PL—Future Hydrology Data Set: Projections of Water Balance and Streamflow for the Vistula and Odra Basins, Poland

There is considerable concern that the water resources of Central and Eastern Europe region can be adversely affected by climate change. Projections of future water balance and streamflow conditions can be obtained by forcing hydrological models with the output from climate models. In this study, we employed the SWAT hydrological model driven with an ensemble of nine bias-corrected EURO-CORDEX climate simulations to generate future hydrological projections for the Vistula and Odra basins in two future horizons (2024–2050 and 2074–2100) under two Representative Concentration Pathways (RCPs). The data set consists of three parts: (1) model inputs; (2) raw model outputs; (3) aggregated model outputs. The first one allows the users to reproduce the outputs or to create the new ones. The second one contains the simulated time series of 10 variables simulated by SWAT: precipitation, snow melt, potential evapotranspiration, actual evapotranspiration, soil water content, percolation, surface runoff, baseflow, water yield and streamflow. The third one consists of the multi-model ensemble statistics of the relative changes in mean seasonal and annual variables developed in a GIS format. The data set should be of interest of climate impact scientists, water managers and water-sector policy makers. In any case, it should be noted that projections included in this data set are associated with high uncertainties explained in this data descriptor paper

Magnetic susceptibility of organic (Oh) and mineral (Ap, Ah) soil horizons in Saxony and their origin

Studies on magnetic susceptibility of Saxony soils were made on the basis of archival soil samples taken in 4×4 grid in 1992/1993 from organic horizons of forest soils (Oh) as well as topsoil horizons (Ap, Ah) of arable lands, pastures, meadows and reclaimed lignite mine sites (Leipzig area) (RANK, 1999). Number of soil samples amounted to 1126 from Ap, Ah horizons and 261 from Oh horizon. Mass magnetic susceptibility measurements (?) were made using MS2B Bartington apparatus. Results of study show that magnetic susceptibility in soils of Saxony has mainly techno- and geogenic character

Mindfully Managing Life Experiences Together

Master's ThesisUp to 69% of the general population will experience a traumatic event across the lifetime (Resnick, Kilpatrick, Dansky, Saunders, & Best, 1993). Of this population, only approximately 6.8% of people will go on to develop post-traumatic stress disorder (PTSD), while a larger subset will develop subthreshold symptoms of anxious, depressive, or post-traumatic stress disorders (Kessler, Berglund, et al., 2005; Kessler, Chiu, Demler, Merikangas, & Walters, 2005). Romantic relationships and social support have proven to be a powerful buffer against psychological distress (van der Kolk, Perry, & Hermann, 1991; Johnson & Rheem, 2012). Mindfulness meditation, rooted in Buddhism, has been increasing in popularity as a mental health tool and is used to treat depression, reduce stress, reduce anxiety, enhance self-perception, and assist into integrating mindfulness into everyday life (Bauer-Wu, 2010; Ledesma & Kumano, 2009). Trauma tends to increase distress in both romantic partners which in turn can decrease relationship satisfaction. Lowering distress symptoms caused by trauma can help partners begin to rebuild relationship satisfaction. The present study examined couples and mindfulness in the context of trauma, looking to lower psychological distress while increasing relationship satisfaction and mindfulness behavior. Thirty-two (N=64) couples completed measures assessing relationship satisfaction, psychological distress, trauma history, and mindfulness behaviors. Couples completed a mindfulness psychoeducation and two meditations, then returned after a two-week period to complete a subset of the Time 1 measures. Overall, data did not support a significant relationship between mindfulness, relationship satisfaction, and psychological distress.https://deepblue.lib.umich.edu/bitstream/2027.42/143520/1/Kardel - Mindfully Managing Life Experiences Together.pdf13Description of Kardel - Mindfully Managing Life Experiences Together.pdf : Master's Thesi