Wyniki wyszukiwania - BazTech

1

Markov Decision Process based Model for Performance Analysis an Intrusion Detection System in IoT Networks

Kalnoor Gauri, Gowrishankar

Journal of Telecommunications and Information Technology

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2021

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nr 3

42--49

EN

In this paper, a new reinforcement learning intrusion detection system is developed for IoT networks incorporated with WSNs. A research is carried out and the proposed model RL-IDS plot is shown, where the detection rate is improved. The outcome shows a decrease in false alarm rates and is compared with the current methodologies. Computational analysis is performed, and then the results are compared with the current methodologies, i.e. distributed denial of service (DDoS) attack. The performance of the network is estimated based on security and other metrics.

2

Is mechanical retention for adhesive core build-up needed to restore a vital tooth with a monolithic zirconium crown? : An in vitro study

Walczak K, Rues S., Więckiewicz M., Range U., Schmitter M.

Acta of Bioengineering and Biomechanics

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2016

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Vol. 18, no. 4

117--125

EN

Purpose: To show the influence of retentive cavity, cavity wall preparation and different luting techniques on the fracture resistance of severely damaged teeth restored with adhesive core build-ups and monolithic zirconium crowns. Methods: Extracted molars were prepared with 2 mm ferrule height and divided into eleven groups (n = 8/group). In nine groups a retentive occlusal cavity with a width and depth of 1 or 2 mm was prepared. Two control groups without a retentive cavity were made. Zirconium crowns were manufactured. 48 copings were cemented with glass-ionomer cement (Ketac Cem), the others (n = 40) with adhesive resin cement (Panavia F 2.0). Artificial ageing was carried out in the following way: n = 88, thermocycling (10,000 cycles, 6° C/60° C), n = 80 chewing simulation (1,200,000 cycles, 64 N). The samples were tested for load at first damage and fracture load with non-axial force. For statistical analysis ANCOVA with post hoc, Bonferroni-adjusted t-test were used ( p ≤ 0.05). Results: No differences between the tested cements were detected. Influence of the cavity wall thickness was significant ( p = 0.001). Mostly, the samples with wall thickness of 2 mm showed better results. Both control groups (no cavity) showed results comparable to study groups with cavity. Conclusions: Retentive cavity is most likely not mandatory. However, if prepared, the cavity wall thickness is of higher importance than cavity depth. Glass-ionomer and adhesive resin cement are comparable for use with zirconia crowns.

3

Radiofarmaceutyki : aspekty kontroli jakości zawartości substancji czynnej na przykładzie kwasu metylenodifosfonowego (MDP)

Staniszewska J., Bulska E.

Analityka : nauka i praktyka

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2013

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nr 4

4--10

PL

Właściwie prowadzona kontrola jakości radiofarmaceutyków gwarantuje bezpieczeństwo ich stosowania do celów medycznych, stąd tak wiele uwagi poświęca się opracowywaniu i walidacji stosowanych do tego celu procedur pomiarowych-.

4

Synthesis of New Conjugates of MDP and nor-MDP with Retro-Tuftsin Derivatives as Potential Immunomodulators

Dzierzbicka K.

Polish Journal of Chemistry

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2008

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Vol. 82, nr 7

1431-1431

EN

Synthesis of new conjugates of muramyl dipeptide (MDP) and nor-muramyl dipeptide (nor-MDP) with retro-tuftsin derivatives is presented. The corresponding protected retro-tuftsin derivatives were also synthesized. The synthesis of a greater number of conjugates will enable structure-activity relation ship studies.

5

Synthesis of Conjugates of Muramyl Dipeptide and nor-Muramyl Dipeptide with Retro-Tuftsin (Arg-Pro-Lys-ThrOMe) as Potential Immunostimulants

Dzierzbicka K.

Polish Journal of Chemistry

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2004

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Vol. 78 / nr 3

409-416

EN

The synthesis of retro-tuftsin analogue of sequence Arg-Pro-Lys-ThrOMe (Scheme 1) and it's conjugates containing MDP (muramyl dipeptide) or nor-MDP (nor-muramyl dipeptide) (Scheme 2) are described.