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FTIR Study and Mechanical Properties of Cellulose Fiber-Reinforced Thermoplastic Composites
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Thermoplastic polyurethane/(organically modified montmorillonite) nanocomposites produced by in situ polymerization
PublikacjaA series of polyurethane nanocomposites were synthesized from thermoplastic polyurethanes (with different hard segment ratios) and two types of organically modified montmorillonites (OMMT) - Cloisite® 10A and Cloisite® 20A. The thermal behavior was examined by non-isothermal thermogravimetry (TG, DTG), Differential Scanning Calorimetry (DSC) and Dynamic-Mechanical Thermal Analysis (DMTA). The results of X-ray analyses showed that...
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Preparation and Properties of Thermoplastic Polyurethane Composites Filled with Powdered Buckwheat Husks
PublikacjaBio-based fillers for the polymer composites are still interesting from the scientific and industrial point of view, due to their low cost and renewable nature. In this work partially green composites were obtained by the mixing of thermoplastic poly(ester-urethane) with the unmodified and modified (by acetylation) grinded buckwheat husks. Obtained biocomposites were characterized in the terms of their chemical structure (FTIR),...
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Properties of polyamide 6 and thermoplastic polyurethane blends containing modified montmorillonites
PublikacjaAnalizie poddano nowy rodzaj mieszanin polimerowych poliamidu 6 z termoplastycznymi elastomerami poliuretanowymi. Mieszaniny wzmocniono poprzez dodatek organicznie modyfikowanych montmorylonitów (Cloisite). Uzyskane układy przebadano metodami termicznymi, dyfrakcyjnymi oraz scharakteryzowano podstawowe właściwości mechaniczne.
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Tribological Properties of Thermoplastic Materials Formed by 3D Printing by FDM Process
PublikacjaThe dataset entitled 3D printed ABS thermoplastic vs. steel. Dry sliding wear test in constant load & velocity ring on flat configuration. Test parameters: print layer thickness and orientation. Test symbol: 019_h_4 contains: the time base (expressed in seconds and minutes), the friction torque for sliding friction, rotational velocity of the counter – specimen (velocity of sliding), friction coefficient, load in the friction contact...
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Thermoplastic starch nanocomposites using cellulose-rich Chrysopogon zizanioides nanofibers
PublikacjaGreen thermoplastic starch (TPS) nanocomposite films aided by cellulose nanofibers (CNFs) from Chrysopogon zizanioides roots were developed and characterized. When compared to other lignocellulosic fibers, Chrysopogon zizanioides roots revealed exceptionally high cellulose content (~48%). CNFs were separated using an environmentally friendly acid isolation technique that included three stages: (i) alkali treatment; (ii) bleaching;...
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Thermoplastic polyurethanes derived from petrochemical or renewable resources: A comprehensive review
PublikacjaThermoplastic polyurethanes (TPUs) materials are obtained by the reaction of polyol (ether-, ester-, and carbonate-based diols with average molecular weight in the range from 1,000 to 3,000 g/mol) with aliphatic or aromatic diisocyanates. Synthesized materials consist of the hard and soft segments which are separated in different level. All mechanical and thermal properties of TPUs depend on the chemical structure of used monomers,...
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INDUSTRIAL HERITAGE IN “SACRIFICE ZONES”. THE POTENTIAL OF BOCAMINA I & II THERMOELECTRIC IN CORONEL, CHILE
PublikacjaThis work aims to present the recovery potential of the Chilean Sacrifice Zones, urban areas affected by high amounts of pollution caused by industrial activities. It centers in the case of “Bocamina I & II”, two Thermoelectric based in the city of Coronel, southern Chile. A settlement historically related to the mining processes. These plants operated for decades supplying the national energy grid and are seen as both symbols...
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The unstable thermoelectric effect in non-stoichiometric Cu2Se during the non-equilibrium phase transition
PublikacjaThe superionic α ↔ β phase transition in Cu1.96Se thermoelectric material is investigated by means of thermal analysis (DSC) and measurements of Seebeck coefficient and electrical conductivity. Results of the DSC measurements with 1–10 K/min heating and cooling rates show that the material is close to the equilibrium phase composition during the transformation. However, the kinetic limitation of the process exists, which is indicated...
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Delving into the Therapeutic Potential of Carica papaya Leaf against Thrombocytopenia
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CRL4CRBN E3 Ligase Complex as a Therapeutic Target in Multiple Myeloma
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Hypertension and coronary artery disease: Mechanistic insights and therapeutic challenges
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The effectiveness of therapeutic massage in neck pain – prospective, preliminary studies
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Conjugate of Enkephalin and Temporin Peptides as a Novel Therapeutic Agent for Sepsis
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Neuroinflammation in Dementia—Therapeutic Directions in a COVID-19 Pandemic Setting
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Ginger (<i>Zingiber officinale</i>) – a spice with therapeutic properties
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Quality monitoring of therapeutic processes in small treatment center for children
PublikacjaW artykule przedstawiono specyfikę oraz opis zasad nadzorowania procesów terapeutycznych w ramach systemu zarzadzania jakością w małej placówce służby zdrowia.
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Therapeutic Potential of Carnosine and Its Derivatives in the Treatment of Human Diseases
PublikacjaDespite significant progress in the pathogenesis, diagnosis, treatment, and prevention of cancer and neurodegenerative diseases, their occurrence and mortality are still high around theworld. The resistance of cancer cells to the drugs remains a significant problem in oncology today,while in the case of neuro-degenerative diseases, therapies reversing the process are still yet to be found. Furthermore, it is important to seek new...
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High-density Polyethylene - Expanded Perlite Composites: Structural Oriented Analysis of Mechanical and Thermomechanical Properties
PublikacjaAs part of this work, research was carried out on the effect of the addition of expanded perlite (PR) on the mechanical and thermomechanical properties of high-density polyethylene (PE) composites. Composites containing from 1 to 10 wt% of the inorganic filler were produced. Polyethylene-based composites manufactured by twin-screw extrusion and formed in the compression molding process were subjected to mechanical, thermomechanical,...
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Assessment of the devulcanization process of EPDM waste from roofing systems by combined thermomechanical/microwave procedures
PublikacjaEthylene-propylene-diene rubber (EPDM) is a elastomer widely used in common industrial applications. EPDM can be shaped into sheets and employed as isolating material for roofing systems. In this study, scraps of EPDM from commercial, industrial and residential roofing systems were treated by combined thermo-mechanical and microwave devulcanization processes including peroxide of benzoyl (BPO). The devulcanized EPDM (Dev-EPDM)...
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Technical Thermodynamics 1, L, ET, sem.03, zimowy 22/23
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Technical Thermodynamics 1, C, ET, sem.03, zimowy 22/23
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Thermodynamics II, W/L, DaPE, sem.4, letni 23/24
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THERMION-C2S_0301 Phase transition in Cu1.96Se
Dane BadawczeInvestigation of a phase transition in Cu1.96Se was investigated. The data contains results of thermal analysis (DSC) and thermoelectric properties measurements. These measurements were performed with different heating and cooling rates. Structure and elemental composition were also analysed. The data shows the influence of the kinetics of the transition...
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Journal of Therapeutic Ultrasound
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Therapeutic Advances in Gastroenterology
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Diagnostic And Therapeutic Study
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Therapeutic Advances in Ophthalmology
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Therapeutic Advances in Psychopharmacology
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Therapeutic Advances in Hematology
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Diagnostic and Therapeutic Endoscopy
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Therapeutic Recreation Journal
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Therapeutic Advances in Urology
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Therapeutic Radiology and Oncology
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THERAPEUTIC APHERESIS AND DIALYSIS
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THERAPEUTIC DRUG MONITORING
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Thermostable Pyrococcus woesei beta-D-galactosidase - high level expression, purification and biochemical properties
PublikacjaGen kodujący termostabilną beta-D-galaktozydazę Pyrococcus woesei zamplifikowano z zastosowaniem techniki PCR i klonowano w komórkach Escherichia coli. Skonstruowany system ekspresji genu pozwolił na uzyskanie znacznej ilości termostabilnego białka w komórkach mezofilnego gospodarza. Enzym oczyszczono z zastosowaniem chromatografii powinowactwa po wcześniejszej denaturacji termicznej białek Escherichia coli i scharakteryzowano...
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Influence of Gas-Flow Conditions on the Evolution of Thermally Insulating Si3N4 Nano-Felts
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Thermo-fluid Transport Phenomena in Air-fed Pressurised Protective Clothing
PublikacjaPublikacja opisuje sposób modelowania turbulentnych przepływów dwuskładnikowych w ciśnieniowych kombinezonach ochronnych, które używane są w reaktorach fuzyjnych. Rozważane są różne modele turbulencji. Przepływy modelowane są w realistycznych geometriach, które odtwarzane są metodą fotogrametrii. Pokazano również sposób modelowania kondensacji pary wodnej na wewnętrznych powierzchniach kombinezonów.
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Mercury fractionation in soil and sediment samples using thermo-desorption method
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Influence of Nanoclay on the Thermo-Mechanical Properties of Silicone Pressure-Sensitive Adhesives
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Thermo-resonance analysis of an excited graphene sheet using a new approach
PublikacjaForced vibration of graphene nanoplate based on a refined plate theory in conjunction with higher-order nonlocal strain gradient theory in the thermal environment has been investigated. Regarding the higher-order nonlocal strain gradient theory, both stress nonlocality and size-dependent effects are taken into account, so the equilibrium equations which are governing on the graphene sheet have been formulated by the theory....
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Mechanical, thermo-mechanical properties of epoxy/glass composites with submicron particles
PublikacjaIn this research the influence of submicron zinc oxide and silicon dioxide particles on mechanical, thermo-mechanical properties of epoxy matrix composites reinforced with glass fibres was investigated. Composites were fabricated using hand lay-up method. Materials contained 39-41 wt.% of glass fibres. The bending tests, dynamic mechanical analysis and tribological tests were performed on each group of composites and also for...
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EFFECT OF ANTIOXIDANTS ON THE STABILITY OF PITCH- BASED POLYMER TO THERMO-OXIDATIVE ACTION
PublikacjaThe influence of stabilizers – hydrogen donors – on the processes of thermooxidative destruction of pitch-based polymer has been investigated. It is shown that Irganox has not stabilizing effect on pitch-based polymer and melamine slightly retards the destructive process. A mixture of melamine and Irganox exhibits synergetic stabilizing effect and at the optimum ratio it can be used to prevent unwanted thermooxidative processes...
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Recycling of Waste Rubber by Thermo-Mechanical Treatment in a Twin-Screw Extruder
PublikacjaRecycling of waste tires is a significant issue considering both environmental and economic aspects. One of the leading recycling routes is the shredding of tires resulting in the generation of ground tire rubber. This material can be easily introduced into various polymer matrices as a filler, reducing the use of conventionally applied petroleum-based materials. In such cases, it is essential to ensure sufficient interfacial compatibility,...
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A novel DEM-based pore-scale thermo-hydro-mechanical model
PublikacjaW warunkach nieizotermicznych ruch płynu w układzie porów i kapilar betonu jest silnie sprzężony z przenoszeniem ciepła. W takich warunkach pory i spękania ułatwiają wnikanie do betonu zewnętrznych czynników agresywnych, które degradują zarówno beton, jak i zbrojenie. Opracowano innowacyjny model termo-hydro-mechaniczny oparty na modelu DEM, aby szczegółowo śledzić frakcje cieczy/gazów w porach i pęknięciach pod kątem ich różnej...
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Erosion under turbulent slurry flow: An experimental determination of particle impact angle, impact direction, and distribution thereof by image processing
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The Use of Liquid Crystal Thermography in Selected Technical and Medical Applications—Recent Development
PublikacjaThermochromic liquid crystals (TLC) and true-colour digital image processing have been successfully used in non-intrusive technical, industrial and biomedical studies and applications. Thin coatings of TLC at surfaces are utilized to obtain detailed temperature distributions and heat transfer rates for steady or transient processes. Liquid crystals also can be used to make the temperature and velocity fields in liquids visible...
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The Use of Liquid Crystal Thermography an Image Processing in Heat and Fluid-Flow Research
PublikacjaLiquid crystal thermography (LCT) have been used in many technical, industrial and biomedical applications [1]. During over 20 years it has been successfully applied in Department of Energy and Industrial Apparatus at Gdansk University of Technology for visualization of steady-state and transient temperature fields. In order to demonstrate feasibility of LCT techniques in practical heat transfer contexts, the authors have performed...
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APPLICATION OF INFRARED THERMOGRAPHY TO NON-CONTACT TESTING OF AD/DC POWER SUPPLY
PublikacjaTesting of AC/DC power supplies using the thermography was carried out in order to assess their assembly and operation correctness before launching them on the market. The investigation was carried out for 17 AC/DC power supplies which passed the standard tests (measurements of their basic parameters and characteristics). The investigation consisted of two steps. In the first step the dispersion of temperature on power supply boards...