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60 results for “Natural Stress”
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Research ArticleOpen accessIn the abstractPerformance of Hevea brasiliensis on Haplic Ferralsol as Affected by Different Water RegimesShafar Jefri Mokhatar, Noordin Wan Daud, Nazera ArbainProblem statement: Rubber has been grown more than a century in South East Asia, who has been the largest producer of natural rubber. Demand of natural rubber increases steadily due to increasing demand particularly from developing countries. Water has been a limited and invaluable resource especially in agriculture. This resource has to be used wisely and there is a need … …American Journal of Applied Sciences, Vol. 8, Issue 3 · 25 Mar 2011 · 8,909 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of a Fully Coupled Approach for Evaluation of Wellbore Stability in Hydrocarbon ReservoirsVera RoccaProblem statement: When a well is drilled in a hydrocarbon reservoir, the original thermodynamic conditions are altered, the natural stresses are redistributed and a stress concentration occurs around the hole. The alteration of the original equilibrium can lead to wellbore damage, sometimes to its complete collapse. Loss of time associated with stability problems is estimated to account for 12-15% of … …American Journal of Environmental Sciences, Vol. 5, Issue 6 · 31 Dec 2009 · 7,564 accessesView PDFCite
Research ArticleOpen accessIn the abstractPhysiological Response of Soybean (Glycine max) to Foliar Application of Methanol Under Different Soil MoisturesFarzad Paknejad, Mojtaba Mirakhori, Majid Jami Al-Ahmadi et al.Problem statement: Many cultivated area are situated in arid zone, where crop photosynthesis and productivity has limited by drought. Thus any treatment, such as methanol, that improve plant water relation and reduce stress impacts, could be benefit. Approach: In order to investigate effects of methanol application on some physiological properties of soybean under low water stress, a factorial experiment was … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 4 · 31 Dec 2009 · 8,151 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiochemical and Genetic Responses of Fungi to the Toxic Effect of Synthetic and Natural FungicidesMarÍa-Elena Báez-Flores, Rosalba Troncoso-Rojas, Martin-Ernesto Tiznado-HernándezThe objective of the present review is to analyze the molecular basis of fungicide resistance mechanism to both synthetic fungicides and the natural fungicides isothiocyanates. The review is focused mainly on Alternaria sp., but whenever available, similar studies in other fungi have been included. Fungal resistant strains to dicarboximide and phenylpyrrole fungicides have been found to contain mutations in one … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 1 · 31 Mar 2008 · 8,122 accessesView PDFCite
Research ArticleOpen accessIn the abstractMapping QTLs Linked to Physio-Morphological and Plant Production Traits under Drought Stress in Rice (Oryza sativa L.) in the Target EnvironmentS. Michael Gomez, S. Satheesh Kumar, P. Jeyaprakash et al.Drought stress is a major constraint for rice (Oryza sativa L.) production and yield stability in rainfed ecosystems. Identifying genomic regions (QTLs) contributing in drought resistance will help to develop rice cultivars suitable for water-limiting environments through marker-assisted breeding. QTLs linked to physio-morphological and plant production traits under drought stress in the field were mapped by evaluating 177 F6 recombinant … …American Journal of Biochemistry and Biotechnology, Vol. 2, Issue 4 · 31 Dec 2006 · 14,482 accessesView PDFCite
Research ArticleOpen accessIn the abstractFabric Behavior of Sand in Post-liquefactionSeyed Amirodin SadrnejadAn anisotropic plasticity model for post-liquefaction of the undrained behavior of sand is presented. The model incorporates the critical/steady state concept that postulates the existence of a state where sand continuously deforms at a certain constant effective stress depending two main parameters of both initial bulk parameters (void ratio or relative density) and the stress level (mean stress). The local … …American Journal of Applied Sciences, Vol. 2, Issue 12 · 31 Dec 2005 · 6,412 accessesView PDFCite
Review ArticleOpen accessIn the abstractA Review of Effects of Environmental Change on Human HealthUttam PaudelCurrent knowledge production on the effects of environmental exposures on human health reflects technological, social and economic development broadly; theoretical and methodological advancements in social science and medicine more specifically. Human health and the welfare mainly rely on refurbishing and protecting the integrity of the natural systems such as fresh air, safe water, biodiversity, toxic waste management and proper land … …American Journal of Environmental Sciences, Vol. 14, Issue 3 · 29 Apr 2018 · 8,542 accessesView PDFCite
Research ArticleOpen accessIn the abstractPerioperative Care of Elderly Surgical PatientsAly SaberAdvancing age is characterized by functional impairment of the many regulatory processes that provide integration between organs and therefore, may lead failure to maintain homeostasis under conditions of physiological stress. There are two main factors helping to identify the high risk for surgery. The first relates to the type of surgery and the second to the scope of cardiopulmonary functional … …Current Research in Medicine, Vol. 4, Issue 1 · 12 Apr 2013 · 8,014 accessesView PDFCite
Research ArticleOpen accessIn the abstractPhyllanthus Amarus Facilitates the Recovery of Peripheral Nerve after InjuryPanakpaporn Wannannond, Jintanaporn Wattanathorn, Supaporn Muchimapura et al.Problem statement: Peripheral nerve injuries are associated with morbidity and outcomes of peripheral nerve repair are poor. Moreover, it can subsequently leads to economic or social disability. Recent findings have shown that oxidative stress plays an important role on the functional recovery retardation of peripheral nerve. However, the impairment mentioned earlier is counteracted by antioxidant. Therefore, this study was carried … …American Journal of Applied Sciences, Vol. 9, Issue 7 · 10 May 2012 · 7,100 accessesView PDFCite
Research ArticleOpen accessIn the abstractContact with Nature and Children’s Wellbeing in Educational SettingsGiuseppe Carrus, Sabine Pirchio, Ylenia Passiatore et al.Problem statement: The study explores the role of the spatial-physical features of the environment for the functioning of educational institutions. Previous research in the field of environmental psychology showed how physical characteristics of learning environments might be linked to positive or negative outcomes in terms of learning attitudes and behaviors. In particular, there is consistent empirical evidence showing that contact … …Journal of Social Sciences, Vol. 8, Issue 3 · 26 Mar 2012 · 14,402 accessesView PDFCite