26 research outputs found

    Application of electronic dental dynamometer in biomechanics

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    The paper presents a microprocessor force recorder, whose design allows the measurement of occlusal forces on a continuous basis with a maximum frequency of 250 Hz. The electronic dental dynamometer records the results of clinical trials in the form of graphic images and text files which are presented directly onto the computer. The recorded results can be processed digitally, as well as compared with other measurements, resulting in the ability to monitor the progress and potential advances in the treatment of masticatory organ diseases. An important advantage of the proposed solution is the simple and intuitive design. In addition, the dynamometer requires no power coming directly from the electricity network, as it is powered through a 5 V USB port. This feature not only determines the comfort of use, but also the safety as the voltage does not pose a risk to the patient during examination. The results recorded during clinical trials using the electronic dental dynamometer are consistent with those obtained using a calibrated mechanical dental dynamometer

    Application of electronic dental dynamometer in biomechanics

    Get PDF
    The paper presents a microprocessor force recorder, whose design allows the measurement of occlusal forces on a continuous basis with a maximum frequency of 250 Hz. The electronic dental dynamometer records the results of clinical trials in the form of graphic images and text files which are presented directly onto the computer. The recorded results can be processed digitally, as well as compared with other measurements, resulting in the ability to monitor the progress and potential advances in the treatment of masticatory organ diseases. An important advantage of the proposed solution is the simple and intuitive design. In addition, the dynamometer requires no power coming directly from the electricity network, as it is powered through a 5 V USB port. This feature not only determines the comfort of use, but also the safety as the voltage does not pose a risk to the patient during examination. The results recorded during clinical trials using the electronic dental dynamometer are consistent with those obtained using a calibrated mechanical dental dynamometer

    Insights into the Transposable Mobilome of Paracoccus spp. (Alphaproteobacteria)

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    Several trap plasmids (enabling positive selection of transposition events) were used to identify a pool of functional transposable elements (TEs) residing in bacteria of the genus Paracoccus (Alphaproteobacteria). Complex analysis of 25 strains representing 20 species of this genus led to the capture and characterization of (i) 37 insertion sequences (ISs) representing 9 IS families (IS3, IS5, IS6, IS21, IS66, IS256, IS1182, IS1380 and IS1634), (ii) a composite transposon Tn6097 generated by two copies of the ISPfe2 (IS1634 family) containing two predicted genetic modules, involved in the arginine deiminase pathway and daunorubicin/doxorubicin resistance, (iii) 3 non-composite transposons of the Tn3 family, including Tn5393 carrying streptomycin resistance and (iv) a transposable genomic island TnPpa1 (45 kb). Some of the elements (e.g. Tn5393, Tn6097 and ISs of the IS903 group of the IS5 family) were shown to contain strong promoters able to drive transcription of genes placed downstream of the target site of transposition. Through the application of trap plasmid pCM132TC, containing a promoterless tetracycline resistance reporter gene, we identified five ways in which transposition can supply promoters to transcriptionally silent genes. Besides highlighting the diversity and specific features of several TEs, the analyses performed in this study have provided novel and interesting information on (i) the dynamics of the process of transposition (e.g. the unusually high frequency of transposition of TnPpa1) and (ii) structural changes in DNA mediated by transposition (e.g. the generation of large deletions in the recipient molecule upon transposition of ISPve1 of the IS21 family). We also demonstrated the great potential of TEs and transposition in the generation of diverse phenotypes as well as in the natural amplification and dissemination of genetic information (of adaptative value) by horizontal gene transfer, which is considered the driving force of bacterial evolution

    Polityka karna w założeniach nowego kodeksu karnego

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    Projekt nowego kodeksu karnego w wersji pierwotnej, jak i w ostatecznym kształcie, określonym w ustawie z dnia 6 czerwca 1997 r., może być rozpatrywany i oceniany z różnych punktów widzenia, w tym także pod kątem jego racjonalności, czy według stopnia adekwatności jego rozwiązań do rozmiarów i struktury przestępczości, czy wreszcie pod kątem założeń polityki karnej, którą chce realizować. Pojawia się więc problem stopnia szczegółowości w przedstawieniu tematu. Związany jednak koniecznością zwięzłości wypowiedzi, chciałbym przede wszystkim wskazać ogólny kierunek polityki karnej w założeniach nowego kodeksu karnego oraz odnieść się do tych proponowanych rozwiązań, których sposób ujęcia wzbudzać może poważniejsze wątpliwości

    Strafrechtliche Themen in der Lehre von Pius XII

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    In der Soziallehre der katholischen Kirche betreffen verhältnismäßig viele Aussagen das Recht. Unter ihnen kann man auch solche Aussagen finden, die das Problem des Strafrechts berühren. Das waren am häufigsten Aussagen, die allgemeinen Charakter hatten. Sie wiesen jedoch auf die Werte hin, die im Strafrecht und in seinen gründlichen Institutionen verkörpert werden sollten. Einer der Päpste, in dessen Auftreten letzten eng mit den Fragen des Strafrechts verbundene Probleme besprochen wurden, war Pius XII. Seine Aussagen zu diesem Thema haben fundamentale Bedeutung für die Rekonstruierung der christlichen Vision des Strafrechts und für seine Bestimmung

    Application of Virtual Reality and High Performance Computing in Designing Rotary Forming Processes

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    This paper presents an innovative solution in the form of a virtual reality (VR) and high performance computing (HPC) system dedicated to aid designing rotary forming processes with laser beam reheating the material formed. The invented method allowing a virtual machine copy to be coupled with its actual counterpart and a computing engine utilizing GPU processors of graphic NVidia cards to accelerate computing are discussed. The completed experiments and simulations of the 316L stainless steel semi-product spinning process showed that the developed VR-HPC system solution allows the manufacturing process to be effectively engineered and controlled in industrial conditions

    Czaszka : podręcznik dla studentów i lekarzy

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