نتایج جستجو برای: macro micro elements
تعداد نتایج: 407538 فیلتر نتایج به سال:
a r t i c l e i n f o This paper presents a Bayesian Network (BN)-based modeling method for cascading crisis events. Crisis events have occurred more frequently in recent years, such as typhoons, rainstorms, and floods, posing a great threat to humans. Addressing these crises requires a more effective method for crisis early-warning and disaster mitigation in crisis management. However, few mod...
Purpose: The purpose of the present study was to investigate the effects of thyroid gland pathology on macro and trace elements of teeth. Methods: We examined two groups of patients: healthy patients and patients with thyroid disorders. The sample was comprised of 32 extracted teeth for orthodontic and periodontal indications from patients 18 to 50 years old. The changes in macro and micro trac...
In this paper, a multi-scale analysis scheme for solidification based on two-scale computational homogenization is discussed. Solidification problems involve evolution of surfaces coupled with flux jump boundary conditions across interfaces. We provide consistent macro-micro transition and averaging rules based on Hill’s macrohomogeneity condition. The overall macro-scale behavior is analyzed w...
Bioremediation has shown its applicability for removal of polycyclic aromatic hydrocarbons (PAHs) from soil and sediments. In the present study, the effect of biostimulation on phenanthrene removal from contaminated soil via adding macro and/or micronutrients and trace elements was investigated. For these purposes three macro nutrients (as N, P and K), eight micronutrients (as Mg, S, Fe, Cl, Zn...
S.H. Christensen et al. (eds.), Engineering, Development and Philosophy, Philosophy of Engineering and Technology 11, DOI 10.1007/978-94-007-5282-5_2, © Springer Science+Business Media Dordrecht 2012 Abstract At the beginning of the twentyfi rst century, the philosophy of engineering is becoming its own distinct branch of philosophy. The growing importance of philosophy of engineering cannot be...
A new micro-macro computational strategy is proposed for the analysis of structures which are described up to the micro level, such as composite structures. The description of micro and macro quantities is performed on the interface arising from the decomposition of the structure into an assembly of substructures and interfaces. A traction-based version of the micro-macro strategy is described ...
In this paper the kinematic and Jacobian analysis of a macro–micro parallel manipulator is studied in detail. The manipulator architecture is a simplified planar version adopted from the structure of the Large Adaptive Reflector (LAR), the Canadian design of the next generation of giant radio telescopes. This structure is composed of two parallel and redundantly actuated manipulators at the mac...
Polymer crystallization in manufacturing is a process where quiescent crystallization and flow-induced crystallization coexists, and heat/mass transfer on a macroscopic level interacts with crystal morphology evolution on a microscopic level. Previous numerical studies on polymer crystallization are mostly concentrated at a single scale; they only calculate macroscale parameters, e.g., temperat...
ORGANIZATIONAL CULTURE, MACRO AND MICRO EMPOWERMENT DIMENSIONS, AND JOB SATISFACTION: AN APPLICATION OF CONCURRENT MIXED AND MULTI-LEVEL METHODS IN THE FEDERAL SECTOR Timothy L. Bailey, Ph.D. Touro University International 2009 This dissertation examined the interrelationship of organizational culture; macro (structural) and micro (psychological) empowerment; and job satisfaction. Specifically,...
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