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PHYSICAL AND CHEMICAL CHANGES IN PLANARIAN AND NON-LIVING AQUEOUS SYSTEMS FROM EXPOSURE TO TEMPORALLY PATTERNED MAGNETIC FIELDSMurugan, Nirosha J. 11 November 2013 (has links)
Planarian maintained in spring water and exposed for two hours to temporally patterned, weak (1 to 5 μT) magnetic field in the dark displayed diminished mobility that simulated the effects of morphine and enhanced this effect at concentrations associated with receptor subtypes. A single (5 hr) exposure to this same pattern following several days of exposure to a very complex patterned field in darkness dissolved the planarian and was associated with an expansion of their volume. Spectral power density analyses of direct measurements of the spring water only following exposure to this field in darkness showed emission spectra that were displayed from control conditions by ~10 nm and associated with an energy increment of ~10-20 J. This value is an intrinsic solution for the physical properties of the water molecule. “Shielding” the exposed water with plastic, aluminum foil or copper foil indicated that only the latter eliminated a powerful spike in photon emission around 280 nm. Continuous measurement of pH indicated that the slow shift towards alkalinity over 12 hours of exposure was associated with enhanced transient pH shifts of .02 units with typical durations between 20 and 40 ms. These results indicate that the appropriately patterned and amplitude of magnetic field that affects water directly could mediate some of the powerful effects displayed by biological aquatic systems.
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Temporal Variations in Spring Water Chemistry and Comparison of Variable Paleozoic Aquifer Discharges in the Ridge and Valley Province of Northwestern GeorgiaCostello, Oliver Wood 21 April 2009 (has links)
The fluctuations in solute concentrations from eight springs in the Ridge and Valley Province in northwestern Georgia were used to determine flow types and to measure each aquifer’s ability to remove contamination. The target springs are located along a northeast trending line in the Ridge and Valley Province of northwest Georgia. This study determined and interpreted the fluctuations in chemistry of each of the sampled spring’s water based upon temporal variations of precipitation in the area and variations in the chemistries measured at each weekly sampling event. Analysis determined that carbonate springs that showed characteristics of diffuse flow, including stable conductance during variable rain events and greater than zero saturation indices increase the potential for the aquifer to filter potential contaminants before the spring discharge. This study attempts to show that by identifying pre-filtered drinking water sources quickly is possible, through field and laboratory analysis.
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Sanitární keramika / Sanitary CeramicsForet, Martin January 2014 (has links)
My thesis is a presentation of Jika Laufen for the international exhibition Expo 2015 in Milan. The work consists of designing and installing sinks into the exposure so that they are in a uniform manner. I designed the concept of the well for several reasons: the bathroom is an intimate space where it should be emphasized emotion , atmosphere and feelings. It is a space where a person should relax. The second aspect is that the ceramic has an organic origin, came from the ground and through the fire becomes very durable and solid. A no less important is the third aspect, exist on the context. Expo is an international exhibition and therefore the presentation of this forest exposure does not represent a Czech company, but also a Czech environment, where you will find beautiful nature and sources of known rivers. My concept is based on emotion and contrast materials. Delicate white ceramics have planted in a sharp stone and dark green leafy moss, creating a contrast full voltage . The exhibition of this type should not be missed even modern technology. That is my proposal represented feeler drain, which is around the perimeter of the sink hidden under the edge so as not to disturb the perception of the whole.
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Diversidade de vírus DNA autóctones e alóctones de mananciais e de esgotos da região metropolitana de São Paulo. / Diversity of autochthonous DNA viruses and alóctones of springs and sewage of the metropolitan region of São Paulo.Moura, Elisabeth Mendes Martins de 06 December 2017 (has links)
A água doce no Brasil, assim como o seu consumo é extremamente importante para as diversas atividades criadas pelo ser humano. Por esta razão o consumo deste bem é muito grande e consequentemente, provocando o seu impacto. Os mananciais são normalmente usados para abastecimento doméstico, comercial, industrial e outros fins. Os estudos na área de ecologia de micro-organismos em águas (mananciais e esgoto) vêm sendo realizados com mais intensidade nos últimos anos. Nas últimas décadas foi introduzido o conceito de virioplâncton com base na abundância e diversidade de partículas virais presentes no ambiente aquático. O virioplâncton influencia muitos processos ecológicos e biogeoquímicos, como ciclagem de nutriente, taxa de sedimentação de partículas, diversidade e distribuição de espécies de algas e bactérias, controle de florações de fitoplâncton e transferência genética horizontal. Os estudos nesta área da Virologia molecular ainda estão muito restritos no país, bem como muito pouco se conhece sobre a diversidade viral na água no Brasil. / Freshwater in Brazil, as well as its consumption is extremely important for the various activities created by human being. For this reason the consumption of this good is very great and consequently, causing its impact. The sources are usually used for domestic, commercial, industrial and other purposes. Studies on the ecology of microorganisms in waters (freshwater and sewage) have been carried out more intensively in recent years. In recent decades the concept of virioplankton has been introduced based on the abundance and diversity of viral particles present in the aquatic environment. Virioplankton influences many ecological and biogeochemical processes, such as nutrient cycling, particle sedimentation rate, diversity and distribution of algal and bacterial species, control of phytoplankton blooms and horizontal gene transfer. Studies in this area of molecular Virology are still very restricted in the country, and very little is known about viral diversity in water in Brazil.
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Výzvy pre republiku Jemen v 21.storočí / Challenges for the Republic of Yemen in the 21st century.Sadovenková, Ľubica January 2011 (has links)
The thesis aims to take a closer look at fundamental problematic areas of Yemeni society, carries out their deeper analysis and identifies the root causes. It deals specifically with human capital from quantitative(demographic trends) as well as qualitative perspective (level of human development) and analyses current political and security situation. The thesis focuses also on the natural resources -- water and oil, their depletion and estimated available amounts. Yemen will likely become the first country ever to run out of underground water resources. A combination of natural dispositions, economy orientation and technology level could possibly lead to the first humanitarian disaster of its kind. In terms of oil production, Yemen is a small exporter on the global level, however the public finance together with public services provision are on the sector highly depended.
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Les apports du management au développement rural : les cas des produits alimentaires de montagne / The management contribution to the rural development : the case of mountain food productsBueno Ambrosini, Larissa 18 December 2014 (has links)
Notre étude porte sur la valorisation des produits alimentaires de montagne. La montagne est souvent représentée sous forme d’une nature intouchée. Cependant, sur le plan économique, la montagne est considérée comme une zone défavorisée. Le caractère fortement agricole étant un trait marquant, la valorisation des produits alimentaires peut constituer une opportunité pour améliorer la rente des fermiers transformateurs et des agro-industries. Une telle valorisation passe par la mise en évidence de caractéristiques pouvant différencier les produits alimentaires de montagne sur le marché, ce qui pourrait contribuer à la dynamisation d’un segment économique en montagne. La toile de fond de notre étude est une thématique contemporaine, celle du développement rural, un thème sur lequel les sciences de gestion sont encore peu mobilisées. Nous avons eu recours à des auteurs majeurs dans le champ des sciences gestion tels que Simon, Lancaster, Chandler et Porter. Nous avons également cherché des concepts et des auteurs dans le domaine de l’économie en faisant une relecture managériale des concepts proposés. De ce fait, nous menons notre recherche sur deux axes. Le premier porte sur les perceptions et attentes des consommateurs envers l’offre des produits alimentaires de montagne. Le deuxième axe porte sur les entreprises de transformation alimentaires basées en montagne. D’une part nous avons étudié les entreprises de transformation fermière localisées en Lozère, France, et soutenues par le Programme Leader. D’autre côté, nous avons étudié aussi des entreprises de mise en bouteille d’eau basées en montagne. / The study is about the valorisation of food products from the mountain areas. The mountains are represented often as a savage nature. However, under the economic plan, the mountains are considered as less favoured areas. The main mountain areas has still a strong agrarian character, therefore the add value of their food offer could consist in alternative to improve the income of the mountain farmers and food enterprises. The highlighting of some characteristics which can to differentiate their food products in the market could to help the improvement of this economic segment of the mountain areas. The background of our study is a contemporary theme, the rural development, a topic on which management science are still not mobilized, then we estimated that they could contribute significantly. So we resorted to major authors in the field of management science such as Simon, Lancaster, Chandler and Porter. We also looked for concepts and author in the economic field trying to establish a dialogue to our research problem and doing a managerial reading of proposed concepts. We conduct our research on two axes. The first concerns the perceptions and expectations of consumers towards the supply of mountain food products. The second focus is on the food enterprises based in mountains, their structures, marketing strategies and their relationship with the territory of implantation. First we studied the farmer enterprises located in Lozère, France, and supported by the European Programme Leader. On the other hand, we have also studied the business of bottling water based in the mountains.
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Hot Springs Inflow Controlled by the Damage Zone of a Major Normal FaultGodwin, Steven Benjamin 01 April 2019 (has links)
Spring water inflow is distinct at Pah Tempe Hot Springs (also known as Dixie Hot Springs) situated within the damage zone of the Hurricane Fault in Timpoweap Canyon in Hurricane, Utah. Excising of the footwall by the Virgin River has created Timpoweap Canyon and allowed an unusual opportunity to study the spring inflow in relation to the fault damage zone. While correlation of these springs with the damage zone and visible fracture patterns on the canyon wall has been made, no subsurface faulting has been imaged to verify connection to these visible fractures and spring inflows (Nelson et al., 2009). The stream was logged and contoured to note the varying locations of spring water inflows in contrast with unsaturated Virgin River water. Seismic surveys were conducted and subsurface profiles made to locate offsets and faults. Photogrammetry was conducted and a three-dimensional model of the canyon and cliff wall was created to facilitate remote fracture mapping of this wallSubsurface features correlate to fractures, spring water inflow locations, and surface faults mapped by Biek (2002). This suggests that faulting and fracturing from the Hurricane Fault provides subsurface conduits for these thermal waters to rise. In one area in the stream, thermal inflow correlates with both subsurface offsets and major surface fractures. Numerous correlations between just spring water entry and subsurface offsets or surface fractures are also found. Fracture and fault density is atypical at Pah Tempe as these features do not diminish with distance from the main strand of the fault. This has led to the Sevier Orogeny accounting for creating the observed fracture conduits at Pah Tempe. Fractures in the canyon wall at Pah Tempe open west to east. This is indicative of the maximum horizontal compressive stress of southern Utah being north to south (Zoback and Zoback, 2015). Therefore the spring inflow at Pah Tempe is likely a result of the damage from the Hurricane Fault creating conduits for spring water to rise, rather than the Sevier Orogeny.
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