Wyświetlanie pozycji 41-60 z 1406

    • On the modelling of heat conduction in a non-periodically laminated layer. 

      Jędrysiak, Jarosław; Radzikowska, Alina (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2007)
      Heat conduction in a thick layer made of non-periodically distributed micro-laminas of two rigid conductors is considered. Macroscopic properties of the layer are continuously graded across its thickness (FGL layer). The ...
    • Occurrence of strick-slip phenomenon. 

      Awrejcewicz, Jan; Olejnik, Paweł (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2007)
      A self-excited system wit h unilateral friction contact modelled by a two degrees-of-freedom mechanical system, where the normaI farce varies during displacement of a block has been studied. The constructed real laboratory ...
    • Analysis of stability of the human gait. 

      Mrozowski, Jerzy; Awrejcewicz, Jan; Bamberski, Piotr (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2007)
      Analysis of the gait stability of a man moving along an even surface with a constant velocity is presented. The stability criteria applied to biped robots, namely: the Zero Moment Point (ZMP) and the Ground projection of ...
    • 4-furanyl and 4-thiophenylbutan-2-one oximes 

      Bonikowski, Radosław; Balawejder, Maciej; Sikora, Magdalena; Kula, Józef (Lodz University of TechnologyPolitechnika Łódzka, 2007)
      Oximes of 4-(furan-2-yl)butan-2-one, 4-(furan-3-yl)butan-2-one, 4-(5-methylfuran-2-yl)butan-2-one, 4-(thiophen-2-yl)butan-2-one, 4-(5-methylthiophen-2-yl)butan-2-one and 4-(3-methyl-thiophen-2-yl)butan-2-one have been ...
    • Self-consistent calculations of the dynamic, thermodynamic and elastic properties of a lattice of atomic crystals 

      Malinowska-Adamska, Cecylia; Słoma, Piotr (Politechnika Łódzka, 2007)
      The application of the self-consistent phonon theory (SCPT) formulated by Plakida and Siklós on the basis of the double-time Green's function method to the atomic crystals: rare gas solids (RGS), quantum crystals (QC) and ...
    • On the contribution of the quadratic electrooptic effect to the nonlinear response proportional to the fourth power of modulating field 

      Izdebski, Marek; Kucharczyk, Włodzimierz (Politechnika Łódzka, 2007)
      It is shown that the fourth-order electrooptic effect cannot be measured without a background of the contribution that is proportional to the square of the quadratic electrooptic coefficient. The contribution manifests on ...
    • Laser surface melting of cobalt monocrystal 

      Rożniakowski, Kazimierz (Politechnika Łódzka, 2007)
      The paper presents a concise description of laser surface melting of cobalt monocrystal and some related phenomena. Pulses of electromagnetic radiation of nano and mili-second duration, generated by Nd:YAG laser were used ...
    • Microscopic investigations of Gold Basin and El Hammani chondrites 

      Szurgot, Marian; Polański, Krzysztof (Politechnika Łódzka, 2007)
      Elemental and mineral composition of Gold Basin and El Hammami meteorites discovered in 1995 and 1997 have been studied by analytical electron microscopy and optical microscopy. It was established that the main meteorite ...
    • Thermodynamic properties of solid neon in the reduced all-neighbours approximation of the self-consistent phonon theory 

      Tomaszewski, Janusz; Malinowska-Adamska, Cecylia; Słoma, Piotr (Politechnika Łódzka, 2007)
      The results of studies of physical properties of solid neon with the help of the reduced, all-neighbours approximation of the self-consistent phonon theory are presented. The interatomic interactions are described by the ...
    • Some of the photothermal properties of one- and two-layer structures 

      Pieszyński, Krzysztof (Politechnika Łódzka, 2007)
      The results of numerical calculations of temperature on a multi-layer structures' surface illuminated with intensity periodically-modulated beam of light are presented. In fact the influence of some geometrical and thermal ...
    • Field emission and microstructural characterization of diamond films deposited by HF CVD method 

      Jarzyńska, Dagmara; Staryga, Elżbieta; Znamirowski, Zbigniew; Fabisiak, Kazimierz; Gotszalk, Teodor; Woszczyna, Mirosław; Strzelecki, Włodzimierz; Dłużniewski, Maciej (Politechnika Łódzka, 2007)
      Electron emission from diamond films (DF) deposited using HF CVD technique on silicon substrates has been studied. The field emission characteristics were analyzed using the Fowler-Nordheim model. The diamond films were ...
    • Hole drift mobility in antrachinon layers 

      Kania, Sylwester (Politechnika Łódzka, 2007)
      The drift mobility of holes in the antrachinon layers were determined. The layers were evaporated in the vacuum of the order of 10-5Torr. Due to the substrate temperature the layers were in the structure polycrystalline ...
    • Dziennikarstwo obywatelskie: aktywność, która łączy 

      Podgórski, Filip (Stowarzyszenie EBIB, 2007)
      Od momentu powstania i ekspansji Internetu tradycyjne media, tj. prasa, radio, telewizja przechodzą głęboki kryzys, przejawiający się m.in. zmniejszającą się liczbą odbiorców. Jednym z elementów, który ma na to wpływ jest ...
    • Selekcja druków zwartych w Bibliotece Politechniki Łódzkiej. Organizacja i działania praktyczne. 

      Masikowska, Krystyna; Malec, Aneta (Stowarzyszenie EBIB, 2007)
      W ostatnich latach, w środowisku bibliotekarskim, daje się zauważyć wzrastające zainteresowanie selekcją zbiorów bibliotecznych. Świadczą o tym coraz częściej pojawiające się w prasie fachowej artykuły, wystąpienia na ...
    • What is the true order of magnitude of the quadratic electrooptic coefficient |g1111-g1122| in RDP crystal? 

      Górski, Piotr; Kilański, Łukasz; Ledzion, Rafał; Kucharczyk, Włodzimierz (Politechnika Łódzka, 2007)
      Measurements based on the dynamic polarimetric technique of the electrooptic coefficient |g1111-g1122| are applied to determine the order of magnitude of the quadratic electrooptic effect in RDP. The results obtained confirm ...
    • Curing process and the curing product of a nematic epoxy resin containing ester groups 

      Włodarska, Magdalena; Mossety-Leszczak, Beata; Bąk, Grzegorz; Galina, Henryk (Politechnika Łódzka, 2007)
      Curing process and the product of curing of one liquid crystalline epoxy monomer with a standard omine were examined. The reactions were monitored by DSC measurement and dielectric spectroscopy. Progress of curing of the ...
    • Dielectric relaxation modes in antiferroelectric liquid crystal mixture 

      Wojciechowski, Marek (Politechnika Łódzka, 2007)
      Mixture of liquid crystals, with induced antiferroelectric phase has been studied by means of dielectric spectroscopy. The dielectric measurements were carried out in a cell with gold electrodes at planar orientation. The ...
    • Essential oil composition and plant-insect relations in scots pine (Pinus sylvestris L.) 

      Maciąg, Agnieszka; Milaković, Dragana; Christensen, Henriette H.; Antolović, Vlatka; Kalemba, Danuta (Lodz University of TechnologyPolitechnika Łódzka, 2007)
      A review of methods of isolation, chemical composition and biological activity of essential oil of different organs of Scots pine (Pinus sylvestris) was presented. The data on relation between herbivorous insects and plant ...
    • Zastosowanie przybliżenia hybrydowego B3LYP w badaniu oddziaływań międzycząsteczkowych pomiędzy harmanem a akryloamidem 

      Kowalska, Agnieszka; Stobiecka, Agnieszka (Lodz University of TechnologyPolitechnika Łódzka, 2007)
      W niniejszej pracy zastosowano przybliżenie hybrydowe B3LYP w badaniu oddziaływań międzymolekularnych, których wynikiem jest powstanie wiązania wodorowego w układzie 1:1 harman/akryloamid. Obliczono optymalizację geometrii ...
    • The finite element model of the human rib cage. 

      Awrejcewicz, Jan; Łuczak, Bartosz (Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej, 2007)
      In the paper, finite element analysis of the rib cage model is applied to recognize stress distributions and to determine the rate of bone fractures (especially for pathologically changed bones). Two thorax models are ...