Results 231 to 240 of about 972,545 (266)
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Relationships between skin properties and environmental parameters
Skin Research and Technology, 2007Background/purpose: Many authors have written about skin physiological parameters and their changes according to different environmental conditions. Nevertheless, the literature puts in evidence disagreement among different studies due to the great variability in these parameters and due to the difficulty in comparing the results obtained under ...
CRAVELLO B, FERRI, ADA
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Parameter calibration framework for environmental emergency models
Simulation Modelling Practice and Theory, 2013Abstract Simulation systems that predict the propagation of environmental emergencies have to satisfy hard real-time constraints to prevent tragedy. To obtain more reliable forecasts, input parameter calibration mechanisms should be integrated because it is often impossible to measure highly dynamic input parameters in a correct and timely manner ...
Kerstin Wendt +2 more
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Moose teeth as monitors of environmental isotopic parameters
Oecologia, 1990The radiocarbon activities of amino acids isolated from crown first molar dentin of moose born between 1948 and 1984 on Isle Royale National Park, USA closely follows the bomb radiocarbon signal generated from atmospheric nuclear weapons testing. This demonstrates that these amino acids are metabolically inert and have recorded the isotopic parameters ...
J L, Bada +3 more
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Impact of Environmental Parameters on the Activity of the P-Glycoprotein
2011Due to inadequate perfusion and oxygen supply, tumors force glycolytic metabolism leading to low glucose and high lactate levels combined with extracellular acidosis. The acidosis has been shown to increase the functional activity of the P-glycoprotein (Pgp), responsible for multidrug resistance.
Philipp, Trach +3 more
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Methods for measuring environmental parameters
2014В статті виконано аналіз кількісних методів вимірювання параметрів навколишнього природного середовища, до яких відносяться хімічні, фізико-хімічні, фізичні та біологічні методи. Здійснено класифікацію кожного із зазначених методів кількісного аналізу. Визначені умови та межі застосування даних методів. Показано їх основні переваги та недоліки.
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Biological parameter of environmental pollution.
Journal of hygiene, epidemiology, microbiology, and immunology, 1990Daily used chemicals, sooner or later reach our soil in the form of the original product or a by-product. The relationship between the chemical compound and organisms varies greatly and therefore cannot be demonstrated solely by chemical investigations. Bioassays are used in order to predict potential dangers.
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Reducing environmental plastic pollution by designing polymer materials for managed end-of-life
Nature Reviews Materials, 2021Kara Lavender Law +2 more
exaly
Environmental impact of direct lithium extraction from brines
Nature Reviews Earth & Environment, 2023Maria L Vera +2 more
exaly
Biosensors for the control of environmental parameters
2013This work presents the design/development of biosensors based on metal supported bilayer lipid membranes (s-BLMs), intended for the qualitative and quantitative detection of substances of environmental interest. Biosensor design proceeds through a knowledge-based approach that takes into consideration environmental constraints, needs, and parameters ...
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[Comparison of parameter optimization algorithms for environmental model].
Huan jing ke xue= Huanjing kexue, 2002Parameters identification is achieved through the minimization of objective function based on model outputs and the observed data. Because of ever increasing complexity of environmental-models, there are significant difficulty for conventional optimal methods to present a global optimization. On the contrast, however, direct optimization algorithms are
Liu Yi, Chen, J., Du, P.F.
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