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    Wyświetlanie 1-5 z 5
    Tytuł:
    PROGRAMOWANIE CAŁOLICZBOWE METODĄ ZANURZANIA W PROSTOPADŁOŚCIANIE
    Autorzy:
    Włodarski, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/446980.pdf
    Data publikacji:
    2013
    Wydawca:
    Mazowiecka Uczelnia Publiczna w Płocku
    Opis:
    Key words: wholenumbers programming, methods of the wholenumbers programmingSummaryWholenumbers linear programming is a special case of a linear programming problemin which we also assume that all (or only some) decision variables take onlypositive integer values (which can be, for example quantity of goods produced andthe amount of cuts made certain items, etc.). Isolating this type of task is all the morenecessary that the use of the simplex method to solve them does not often leads tothe optimal solution (after rounding). However, in certain tasks such as the productionof a relatively small quantities of very expensive goods, approximations are notat all acceptable. We want to make absolutely sure that we get the optimal solutionwith integer coordinates. Thanks to, a fairly transparent method of immersion in acuboid, we can get that certainty.
    Źródło:
    Zeszyty Naukowe PWSZ w Płocku. Nauki Ekonomiczne; 2013, 18
    1644-888X
    Pojawia się w:
    Zeszyty Naukowe PWSZ w Płocku. Nauki Ekonomiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On Preventing and Detecting Cyber Attacks in Industrial Control System Networks
    Autorzy:
    Padée, Adam
    Wójcik, Michał
    Ćwiek, Arkadiusz
    Klimaszewski, Konrad
    Kopka, Przemysław
    Kozioł, Sylwester
    Kuźmicki, Krzysztof
    Możdżonek, Rafał
    Wiślicki, Wojciech
    Włodarski, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/307944.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    attack preventing
    cybersecurity
    industrial control systems
    Opis:
    This paper outlines the problem of cybersecurity in OT (operations/operational technology) networks. It provides descriptions of the most common components of these systems, summarizes the threats and compares them with those present in the IT domain. A considerable section of the paper summarizes research conducted over the past decade, focusing on how common the problem is and in which countries it prevails. The article presents techniques most commonly used in the protection of these systems, with many examples from the nuclear industry given.
    Źródło:
    Journal of Telecommunications and Information Technology; 2019, 2; 21-28
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Young Quaternary fossil graben in the Vistulian less AT Brzezie near Kraków (Carpathian Foredeep, south Poland)
    Autorzy:
    Rauch-Włodarska, Marta
    Kalicki, Tomasz
    Włodarski, Wojciech
    Budek, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/2026955.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    loess
    normal faults
    joints
    Carpathian Foredeep
    South Poland
    Opis:
    In this pa per we de scribe a fos sil gra ben and as so ci ated nor mal faults and joints. The gra ben is situ ated in the sec tion of the Vis tulian (Wei chse lian) and Holo cene sedi ments in an ar chaeo logi cal ex ca va tion site at Brzezie, in the cen tral part of the Pol ish Car pa thian Fore deep (Wieliczka- Gdów Up land, west ern part of the San dom ierz Ba sin). Nor mal faults strike mostly NNE–SSW and dip steeply about 65–85°. Some of them, namely mas ter nor mal faults, bound the fos sil gra ben. The joints form or thogo nal pat tern and are closely spaced close to the faults. They de vel oped si mul ta ne ously with fault ing. Nor mal fault ing took place dur ing the Vis tulian – Meso holo cene (Neo holo cene?) time, ac cord ing to the age of ar chaeo logi cal ar te facts which were found in the faulted sedi ments. The fault ing was proba bly fin ished dur ing the Neo lithic or even later, dur ing the Bronze Age. The NNE- striking nor mal faults con nected with gra ben for ma tion could have been pro duced by re ac ti va tion of a NE- striking sin is tral re gional fault in the base ment.
    Źródło:
    Studia Quaternaria; 2007, 24; 37-45
    1641-5558
    2300-0384
    Pojawia się w:
    Studia Quaternaria
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    ARMS-PCR for detection of BRAF V600E hotspot mutation in comparison with Real-Time PCR-based techniques
    Autorzy:
    Machnicki, Marcin
    Glodkowska-Mrowka, Eliza
    Lewandowski, Tomasz
    Ploski, Rafał
    Wlodarski, Pawel
    Stoklosa, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/1039607.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    molecular diagnostics
    BRAF mutation screening
    Opis:
    BRAF mutation testing is one of the best examples how modern genetic testing may help to effectively use targeted therapies in cancer patients. Since many different genetic techniques are employed to assess BRAF mutation status with no available comparison of their sensitivity and usefulness for different types of samples, we decided to evaluate our own PCR-based assay employing the amplification refractory mutation system (ARMS-PCR) to detect the most common hotspot mutation c. T1799A (p. V600E) by comparing it with two qPCR based assays: a commercially available test with hybridizing probes (TIB MOLBIOL) and high resolution melting (HRM). Positive results were verified with Sanger sequencing. DNA from two cancer cell lines with known mutation status and from tissue samples from melanoma and gastric cancer was used. ARMS-PCR was the most sensitive method with the level of detection of the mutant allele at 2%. Similar sensitivity was observed for the qPCR-based commercial test employing hybridizing probes; however, this test cannot exclude negative results from poor or low quality samples. Another qPCR-based method, HRM, had lower sensitivity with the detection level of approximately 20%. An additional drawback of HRM methodology was the inability to distinguish between wild type and mutant homozygotes in a straightforward assay, probably due to the character of this particular mutation (T\>A). Sanger sequencing had the sensitivity of the detection of mutant allele similar to HRM, approx. 20%. In conclusion, simple ARMS-PCR may be considered the method of choice for rapid, cost-effective screening for BRAF p. V600E mutation.
    Źródło:
    Acta Biochimica Polonica; 2013, 60, 1; 57-64
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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