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Wyniki wyszukiwania dla: WICK STRUCTURES
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ENGINEERING STRUCTURES
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Current Trends in Wick Structure Construction in Loop Heat Pipes Applications: A Review
PublikacjaThermal control systems have been introduced as an important part of electronic devices, enabling thermal management of their electronic components. Loop heat pipe (LHP) is a passive two-phase heat transfer device with significant potential for numerous applications, such as aerospace applications, high-power LEDs, and solar central receivers. Its advantages are high heat transfer capability, low thermal resistance, long-distance...
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COMPOSITE STRUCTURES
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Structures
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THIN-WALLED STRUCTURES
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JOURNAL OF MOLECULAR STRUCTURE
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COMPUTERS & STRUCTURES
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Structural Dynamics and Stability of Composite Structures
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Structural Dynamics and Stability of Composite Structures
PublikacjaThis an editorial for a special Issue devoted to the application of dynamic and stability analysis of composite structures. In structural applications, past few decades have seen outstanding advances in the use of composite materials including Functionally Graded Materials (FGM). Most structures, whether they are used in civil, marine, or aerospace engineering, are subjected to dynamic loads during their operation.Therefore, dynamic...
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STRUCTURAL CHEMISTRY
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The structure and influence of different flying high front kick techniques on the achieved height on the example of taekwon-do athletes
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SMART MATERIALS & STRUCTURES
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Wiek Oświecenia
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MARINE STRUCTURES
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Sick building syndrome due to molds
PublikacjaThe term Sick Building Syndrome (SBS) is a combination of ailments occurring in a specific building. Building occupants complain of symptoms such as headaches and dizziness, fainting, nausea, irritation of the mucosal membranes, skin irritation and other nonspecific hypersensitivity reactions.One of the SBS causes can be molds, which are ubiquitous in the air (over 400 species). It is estimated that 30% of the health problems (related...
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Kinematic the flaying frontal rising kick
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INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
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Kinematics and Kinetics of Taekwon-do Side Kick
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Przedsiębiorcy 55+, czy wiek ma znaczenie?
PublikacjaZnaczenie przedsiębiorczości 55+ w ostatnim okresie rośnie, między innymi w związku ze zmianami demograficznymi i starzeniem się społeczeństwa w większości krajów europejskich. Nie bez znaczenia jest także fakt, że starsi ludzie zaczynają wierzyć, że mogą uczestniczyć w rynku pracy, zarówno po stronie zatrudnianych jak i zatrudniających. Stąd też liczba nowych firm, tworzonych przez osoby starsze wzrasta, a starsi właściciele firm...
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A Generalized Framework Towards Structural Mechanics of Three-layered Composite Structures
PublikacjaThree-layered composite structures find a broad application. Increasingly, composites are being used whose layer thicknesses and material properties diverge strongly. In the perspective of structural mechanics, classical approaches to analysis fail at such extraordinary composites. Therefore, emphasis of the present approach is on arbitrary transverse shear rigidities and structural thicknesses of the individual layers. Therewith...
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Uncertainty Quantification in Experimental Structural Dynamics Identification of Composite Material Structures
PublikacjaComposite materials are widely used in manufacture of aerospace and wind energy structural components. These load carrying structures are subjected to dynamic time-varying loading conditions. Robust structural dynamics identification procedure impose tight constraints on the quality of modal models estimates obtained from vibration experiments. Modal testing results are influenced by numerous factors introducing uncertainty to...
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Tick-borne encephalitis – lipid peroxidation and its consequences
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Tick-borne encephalitis - lipid peroxidation and its consequences
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WIND AND STRUCTURES
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Bridge Structures
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Earthquakes and Structures
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Small Structures
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Creation of structures by 4, 5 and 6-year-old children, considering the conditions for the structure
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Influence of separation gap on the structural response of colliding structures under earthquake excitation
PublikacjaThe high level of urbanization in the XXIst century forces the designers to design closely-separated structures and to take into account many factors influencing their response during seismic excitation, which are the most unpredictable loads which can affect civil engineering structures. Interactions between insufficiently adjacent buildings, known as the earthquake-induced structural pounding, may cause serious damage to the structures,...
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Peroxidative metabolism of fatty acids in the course of tick-borne encephalitis
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Poczucie zadowolenia z pracy - czy wiek ma znaczenie?
PublikacjaW artykule podjęto tematykę satysfakcji z pracy. Dokonano przeglądu podstawowych aspektów tego zjawiska: sposobów definiowania, znaczenia z punktu widzenia przedsiębiorstwa oraz czynników wpływających na występowanie lub niewystępowanie zadowolenia z pracy. Celem głównym była próba odpowiedzi na pytanie, czy charakterystyki demograficzne pracownika – a konkretnie jego wiek – mają znaczenie dla odczuwania zadowolenia z pracy. Dla...
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The Use of Mobile Devices in the Care and Home Monitoring of the Elderly and the Sick
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Multidiscipline Modeling in Materials and Structures
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Elastic wave propagation in frame structure in the context of structural health monitoring
PublikacjaPraca dotyczy propagacji fal sprężystych r konstrukcji ramowej w ośrodku typu belka Timoszenki. Do obliczeń numerycznych wykorzystano wielowęzłowe spektralne elementy skończone klasy C0. Omówiono algorytm całkowania po czasie i sformułowano wnioski dotyczące liczby węzłów na długość fali.
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Crystal structures of aminotransferases Aro8 and Aro9 from Candida albicans and structural insights into their properties
PublikacjaAminotransferases catalyze reversibly the transamination reaction by a ping-pong bi-bi mechanism with pyridoxal 5′-phosphate (PLP) as a cofactor. Various aminotransferases acting on a range of substrates have been reported. Aromatic transaminases are able to catalyze the transamination reaction with both aromatic and acidic substrates. Two aminotransferases from C. albicans, Aro8p and Aro9p, have been identified recently, exhibiting...
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Investigation on Damage-Involved Structural Response of Colliding Steel Structures during Ground Motions
PublikacjaEarthquakes are the most unpredictable damaging loads which can affect civil engineering structures. Due to insufficient separation distance between adjacent structures with different dynamic properties, structural collisions may occur during ground motions. Although the research on structural pounding has recently been much advanced, the studies have mainly been conducted for concrete structures. The aim of this paper is to show...
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Automated Diagnostics of Current Pick-Up Disturbances in Electric Traction Networks
PublikacjaThe present work defines the basic causes of bow disturbances of current pick-up, sets a task of establishing a system of automated control of bow disturbances at feeder zones of electric traction networks, proposes structural variants of the technical system implementation, describes the algorithm of detection of bow disturbances of current pick-up.
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Autonomous pick-and-place system based on multiple 3Dsensors and deep learning
PublikacjaGrasping objects and manipulating them is the main way the robot interacts with its environment. However, for robots to operate in a dynamic environment, a system for determining the gripping position for objects in the scene is also required. For this purpose, neural networks segmenting the point cloud are usually applied. However, training such networks is very complex and their results are unsatisfactory. Therefore, we propose...
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JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS
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Ticks and Tick-Borne Diseases
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PROTEINS-STRUCTURE FUNCTION AND BIOINFORMATICS
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Picking winners to pick your winners: The momentum effect in commodity risk factors
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Towards Hybrid Urban Mobility: Kick Scooter as a Means of Individual Transport in the City
PublikacjaThe characteristic feature of a contemporary city is its inconvenience and oppressiveness caused by the hitherto dominant paradigm of urban planning based on car mobility. As a result, the inhabitants have to cope with air pollution, noise, spatial barriers, sedentary lifestyle and other factors which worsen their health and quality of life. Ecological and physically activating urban mobility thus plays an increasingly important...
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Word Structure
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Electronic Structure
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Structure and Bonding
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Syntheses, spectroscopic and structural properties of phenoxysilyl compounds: X-ray structures, FT-IR and DFT calculations
PublikacjaThe reaction of silicon disulfide with alkylphenols leads to tetraphenoxysilane, cyclodisilthiane and silanethiol. The products of the reaction of silicon disulfide with phenols are characterized by FT-IR, NMR, X-ray diffraction and DFT calculations. The intramolecular interactions in the compounds are mainly XH---π (X = C, S) whereas the intermolecular interactions are either very weak CH---π/CH---O contacts found in aryloxysilane...
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Fatigue of Aircraft Structures
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Ships and Offshore Structures
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Curved and Layered Structures
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