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Elementy vysshej algebry i teorii kodirovanija. Uchebnoe posobie dlja vuzov

Elementy vysshej algebry i teorii kodirovanija. Uchebnoe posobie dlja vuzov

S.M. Ratseev

Lan, Planeta muzyki
2022
sidottu
Uchebnoe posobie soderzhit algebraicheskuju osnovu i ee primenenie v teorii kodirovanija. Snachala privodjatsja osnovnye svedenija po takim al- gebraicheskim strukturam, kak gruppy, koltsa, koltsa mnogochlenov, koltsa matrits, sistemy linejnykh algebraicheskikh uravnenij, vektornye pro- stranstva, prostranstva linejnykh operatorov, bilinejnye i kvadratich- nye formy, polja, konechnye polja. Dalee izlagajutsja bazovye razdely al- gebraicheskoj teorii kodirovanija: linejnye kody, tsiklicheskie kody, kody Bouza-Choudkhuri-Khokvingema, kody Rida-Solomona, obobschennye kody Rida-Solomona, alternativnye kody, kody Goppy, kodovye kriptosistemy Mak-Elisa i Niderrajtera. Osoboe vnimanie udeleno algoritmam de- kodirovanija, kotorye matematicheski obosnovyvajutsja i soprovozhdajutsja chislennymi primerami. Takzhe rassmatrivajutsja optimalnye alfavitnye kody.Kniga orientirovana na prepodavatelej, aspirantov, studentov ma- tematicheskikh spetsialnostej, studentov spetsialnostej po informatsionnoj bezopasnosti.
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Programmirovanie na jazyke Si. Uchebnoe posobie dlja SPO

Programmirovanie na jazyke Si. Uchebnoe posobie dlja SPO

S.M. Ratseev

Lan, Planeta muzyki
2022
sidottu
Uchebnoe posobie predlagaet chitatelju kurs programmirovanija, orien-tirovannyj na jazyk Si. Posobie soderzhit mnogo primerov s chasto pri-menjaemymi algoritmami i fundamentalnymi strukturami dannykh, pri etom dlja nekotorykh zadach privoditsja neskolko sposobov reshenija v zavisimosti ot nachalnykh uslovij s tselju povyshenija effektivnosti raboty programmy. Bolshoe vnimanie udeleno algoritmam sortirovok takikh obektov, kak massivy, matritsy, stroki, fajly, spiski. Takzhe imeetsja bolshoe kolichestvo zadach dlja otrabotki osnovnykh priemov programmi-rovanija na jazyke Si. Tselju dannogo uchebnogo posobija javljaetsja ne tolko poznakomit chitatelja s jazykom Si, no i pokazat tonkosti dannogo jazyka, a takzhe nauchit sostavljat pravilnye i effektivnye programmy. Prednaznacheno dlja studentov srednego professionalnogo obrazovanija, obuchajuschikhsja po spetsialnostjam, vkhodjaschim v ukrupnennye gruppy "In-formatika i vychislitelnaja tekhnika", "Informatsionnaja bezopasnost", a takzhe dlja vsekh zhelajuschikh izuchit jazyk programmirovanija Si.
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Programmirovanie na jazyke Si. Uchebnoe posobie dlja vuzov

Programmirovanie na jazyke Si. Uchebnoe posobie dlja vuzov

S.M. Ratseev

Lan, Planeta muzyki
2022
sidottu
Uchebnoe posobie predlagaet chitatelju kurs programmirovanija, orien-tirovannyj na jazyk Si. Posobie soderzhit mnogo primerov s chasto pri-menjaemymi algoritmami i fundamentalnymi strukturami dannykh, pri etom dlja nekotorykh zadach privoditsja neskolko sposobov reshenija v zavi-simosti ot nachalnykh uslovij s tselju povyshenija effektivnosti raboty programmy. Bolshoe vnimanie udeleno algoritmam sortirovok takikh obektov, kak massivy, matritsy, stroki, fajly, spiski. Takzhe imeetsja bolshoe kolichestvo zadach dlja otrabotki osnovnykh priemov programmi-rovanija na jazyke Si. Tselju dannogo uchebnogo posobija javljaetsja ne tolko poznakomit chitatelja s jazykom Si, no i pokazat tonkosti dannogo jazyka, a takzhe nauchit sostavljat pravilnye i effektivnye programmy. Prednaznacheno dlja prepodavatelej, magistrantov, studentov fiziko-matematicheskikh i informatsionnykh spetsialnostej.
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Matematicheskie metody zaschity informatsii. Uchebnoe posobie dlja vuzov

Matematicheskie metody zaschity informatsii. Uchebnoe posobie dlja vuzov

S.M. Ratseev

Lan, Planeta muzyki
2022
sidottu
V uchebnom posobii izlozheny nekotorye podkhody i metody sovre- mennoj kriptografii. Rassmotreny teoretiko-chislovye metody v krip tografii, algebraicheskaja osnova kriptografii, matematicheskie modeli shifrov, sovershennye shifry, sovershennye imitostojkie shifry, simmetrichnye blochnye shifry, shifry s otkrytymi kljuchami, kriptograficheskie khesh-funktsii, kody autentifikatsii, metody elektronnoj podpisi, skhemy razdelenija sekreta, protokoly autentifikatsii, protokoly s nulevym razglasheniem znanija, protokoly peredachi kljuchej, kriptosistemy na osnove konechnykh polej i ellipticheskikh krivykh.Kniga orientirovana na prepodavatelej, aspirantov, studentov spe-tsialnostej po informatsionnoj bezopasnosti, izuchajuschikh distsipliny "Kriptograficheskie metody zaschity informatsii", "Kriptograficheskie protokoly", "Metody algebraicheskoj geometrii v kriptografii", "Teoretiko-chislovye metody v kriptografii".
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Dinamika poleta. Raschet letno-tekhnicheskikh i pilotazhnykh kharakteristik samoleta. Uchebnoe posobie dlja vuzov, 5-e izd., ster.

Dinamika poleta. Raschet letno-tekhnicheskikh i pilotazhnykh kharakteristik samoleta. Uchebnoe posobie dlja vuzov, 5-e izd., ster.

S.M. Krivel

Lan, Planeta muzyki
2022
sidottu
V posobii v kratkoj forme izlozhena metodika priblizhennogo rascheta letno-tekhnicheskikh kharakteristik samoleta i otsenki ego pilotazhnykh svojstv, predlagaetsja prostoj raschetnyj metod vybora parametrov avtomaticheskoj sistemy upravlenija samoletom (obespechenija ustojchivosti i upravljaemosti), obespechivajuschikh zadannye pilotazhnye kharakteristiki samoleta. Izlozhennaja metodika proshla bolee chem dvadtsatiletnij period ispolzovanija v uchebnom protsesse. Sootvetstvuet trebovanijam FGOS po distsipline "Dinamika poleta". V posobii vybrany i predlagajutsja originalnye metodiki, kotorye naibolee polno otrazhajut fizicheskuju suschnost otsenivaemykh kharakteristik i stepen vlijanija na nikh razlichnykh konstruktivno-komponovochnykh i ekspluatatsionnykh faktorov. Sleduet otmetit, chto izlozhennye metodiki dostatochno prosto realizujutsja kak dlja neposredstvennykh raschetov, tak i dlja raschetov s ispolzovaniem kompjuternoj tekhniki.Uchebnoe posobie v znachitelnoj stepeni orientirovano na obespechenie vypolnenija kursovykh rabot po distsipline "Dinamika poleta", reshenija zadanij na prakticheskikh zanjatijakh, mozhet byt polezno pri vypolnenii vypusknoj kvalifikatsionnoj raboty po temam, svjazannym s neobkhodimostju opredelenija letno-tekhnicheskikh i pilotazhnykh kharakteristik letatelnykh apparatov, v tom chisle modernizirovannykh ili perspektivnykh.Uchebnoe posobie prednaznacheno dlja studentov napravlenij podgotovki "Tekhnicheskaja ekspluatatsija letatelnykh apparatov i dvigatelej", "Tekhnicheskaja ekspluatatsija letatelnykh apparatov i dvigatelej", mozhet byt ispolzovano dlja podgotovki studentov po spetsialnosti "Samoleto- i vertoletostroenie".
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Khimicheskaja tekhnologija energonasyschennykh veschestv. Nitrovanie aromaticheskikh uglevodorodov . Uchebnoe posobie dlja vuzov.

Khimicheskaja tekhnologija energonasyschennykh veschestv. Nitrovanie aromaticheskikh uglevodorodov . Uchebnoe posobie dlja vuzov.

S.M. Putis; M.A. Iljushin

Lan, Planeta muzyki
2022
nidottu
V dannom uchebnom posobii predstavleno nitrovanie aromaticheskikh uglevodorodov na primere toluola serno-azotnymi kislotnymi smesjami. Obsuzhdaetsja makrokinetika reaktsij nitrovanija i daetsja obschaja kharakteristika geterofaznogo protsessa nitrovanija v aromaticheskom rjadu. Pokazany vozmozhnye sposoby ochistki i nekotorye metody analiza produktov nitrovanija. Privedeny fizicheskie i termokhimicheskie svojstva iskhodnykh, promezhutochnykh i konechnykh veschestv. Privodjatsja metodiki nitrovanija toluola, a takzhe sulfitnoj ochistki, opredelenija temperatury zatverdevanija i izomernogo sostava trinitroproizvodnogo.Uchebnoe posobie prednaznacheno dlja studentov 4-6 kursov tekhnicheskikh vuzov i universitetov, obuchajuschikhsja po spetsialnosti "Khimicheskaja tekhnologija energonasyschennykh materialov i izdelij".Uchebnoe posobie mozhet byt polezno nauchnym sotrudnikam, aspirantam i inzheneram, spetsializirujuschikhsja v oblasti nitrovanija organicheskikh veschestv i sozdanija tekhnologij, a takzhe studentam pri vypolnenii kursovykh, diplomnykh proektov i rabot, a takzhe pri podgotovke k sdache zachetov i ekzamenov.
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Issledovanie uslovij razvitija predprinimatelstva: psikho-ekonomicheskij podkhod

Issledovanie uslovij razvitija predprinimatelstva: psikho-ekonomicheskij podkhod

S.M. Lepeshkin

Petropolis
2020
sidottu
Monografija posvjaschena issledovaniju sotsialno-psikhologicheskikh, politiko-pravovykh i ekonomicheskikh faktorov vlijanija na formirovanie uslovij predprinimatelskoj dejatelnosti, lezhaschikh v osnove predlagaemogo psikho-ekonomicheskogo podkhoda. Sistematizirovany kompleksy opredeljajuschikh psikho-ekonomicheskikh uslovij razvitija predprinimatelstva i na osnove obrabotki obshirnogo statisticheskogo materiala Rosstata RF aprobirovany metody modelirovanija i otsenki ikh vlijanija. Predlozheny kontseptualnye printsipy formirovanija gosudarstvennogo adaptivnogo regulirovanija predprinimatelstva na osnove psikho-ekonomicheskogo podkhoda.Kniga mozhet byt polezna predprinimateljam, uchenym, spetsialistam i shirokomu krugu chitatelej interesujuschikhsja problemami razvitija predprinimatelstva.
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Ot starinnykh razvlechenij k zrelischnym iskusstvam. V debrjakh pozorisch, potekh i razvlechenij

Ot starinnykh razvlechenij k zrelischnym iskusstvam. V debrjakh pozorisch, potekh i razvlechenij

S.M. Makarov

Lenand
2020
nidottu
V nastojaschej rabote issledujutsja razvlechenija, istoki kotorykh berut nachalo v magicheskikh, obrjadovykh, ritualnykh dejstvakh, gadatelnykh praktikakh i drevnikh smekhovykh traditsijakh. Avtor obraschaetsja k rudimentam magicheskikh i ritualnykh dejstvij, drevnim smekhovym traditsijam, sokhranivshimsja v sovremennykh detskikh razvlechenijakh, kotorye sposobstvovali zarozhdeniju tsirkovykh zhanrov. V knige pokazano, kak drevnejshie dejstva, vkhodivshie v maslenichnoe "igrische", otchasti transformirovalis v teatralnoe, balagannoe iskusstvo i tsirkovye nomera, attraktsiony. V rabote rassmatrivajutsja balagannye priemy i nomera, kotorye nashli svoe mesto v teatralnykh postanovkakh, estradnykh i tsirkovykh programmakh. Vpervye issleduetsja erotizm tsirkovogo iskusstva, beruschij nachalo v magii plodorodija, orgaisticheskikh kultakh; opredeljaetsja granitsa ponjatij "eroticheskij" i "seksualnyj". Avtor rasskazyvaet o tom, kak "alogichnoe myshlenie", javljajuscheesja vazhnejshej chastju drevnikh smekhovykh traditsij, sposobstvovalo vozniknoveniju iskusstva klounady, a takzhe sodejstvovalo razvitiju u bolshinstva ljudej soobrazitelnosti i chuvstva jumora.Dlja teatrovedov, folkloristov, kulturologov, issledovatelej sovremennogo iskusstva, istorikov estradnogo i tsirkovogo tvorchestva.
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Thinking Clearly

Thinking Clearly

S M Blackway

Zen Mastery Srl
2020
pokkari
Thinking Clearly: The Ultimate Guide to The Power Of Positive Thinking, Discover and Learn the Effective Strategies to Train Your Mind Towards Positive Thinking to Achieve SuccessMuch can be said about the benefits of always having a positive outlook in life. Always thinking positive thoughts goes hand in hand with having a positive outlook in life. Positive thinking can help boost your health, build your skills and improve your work. It also significantly reduces the stress you feel in your everyday life. Positive thinking makes you feel happier in the long run and studies have shown that happy people live a far better life than the average.This book will teach you all about the power and benefits of positive thinking. If you are having a hard time overcoming your negative thoughts and attitude, this book will show you how to fix that. You will discover tips and ways on how to apply positive thoughts in your daily life. This book will teach you about the following: Be Around Positive PeopleUse Positive AffirmationsAvoid Negative ThinkingSet GoalsBe GratefulSurround Yourself With PromiseGet OrganizedStay FocusedUse Time WiselyGet The Correct AttitudePositive thinking doesn't mean that your head is in the sand and you're oblivious to all of life's difficulties. That is not the case. Thinking positively just enables you to approach this type of situation in a much positive and productive way.If you want to discover the tools that can help you think positively in order to live a happier and more satisfying life, scroll up and click "add to cart" now.
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Influence of Out-of-Class Activity in English Language at University

Influence of Out-of-Class Activity in English Language at University

S M Omar Faruque Babu; Shahidul Haque; Farzana Akhter

LAP Lambert Academic Publishing
2019
pokkari
This book is a unique work of Feni University. This work will explain the necessity of using English in out of class activities like cultural programmes, debates etc. Students will be able to learn and use English more easily and effectively. Fun and learning will occur simultaneously in this way. This will help especially the weak students to improve their quality and prove their efficiency in future life.
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Homestead plant biodiversity in the coastal region of Bangladesh

Homestead plant biodiversity in the coastal region of Bangladesh

S M Atikullah; A B M Enayet Hossain; MD Giashuddin Miah

LAP Lambert Academic Publishing
2019
pokkari
Biodiversity is one of the foundations for the development of a country. It creates and contains visible and invisible everything to sustain life on earth. Homestead plant in the coastal region of Bangladesh having wider variation among the saline zones. The loss or degradation of plant species is a global issue. A long time lacked on appropriate text, especially on homestead which is generally ignored. This book is helpful for the researchers, planners and other users. Most of the coastal people are largely dependent on their homesteads. This can be looked upon as a "reserve bank" of "food and cash." This income accelerates the reduction of rural poverty in Bangladesh. The contribution of homestead trees were as supplier of food and fruits, timber and fuel wood followed by cash money etc. The aim of this book is to provide a configuration of homesteads plants focusing on its utilization and conservation. Contribution of homestead vegetables for the household food security and ecosystems. It can be choosing as a reference book as well it would create interest all those who deal with natural resources management attention to climate victim coastal people.
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Utilizing gravitational energy to produce usable electricity.

Utilizing gravitational energy to produce usable electricity.

S M Mehedi Hasan; MD Shahrear Sakib; MD Raihan Mostafiz

LAP Lambert Academic Publishing
2019
pokkari
This work has been an attempt to use an unconventional source to produce energy. As the world is changing, the demand of power is increasing day by day. Eco friendly and efficient way of producing energy is now a big research area. The Proposed work may prove a promising platform for energy harvesting with environmental sustainability in the future. With further research it is hoped that the system will improve and its limitation will be reduced to work much effectively and efficiently in a environment friendly way.
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Synthesis of Thymidine Analogues as Antimicrobial & Anticancer Agents

Synthesis of Thymidine Analogues as Antimicrobial & Anticancer Agents

S M Abe Kawsar; Asraful Alam

LAP Lambert Academic Publishing
2020
pokkari
Nucleosides and their analogues are of immense importance and they are an established class of clinically useful medicinal agents possessing antifungal, antibacterial, antiviral and anticancer activity. This has led to our interest in the search for a synthesis of new nucleoside molecule i.e., thymidine analogues that may be screened for broad-spectrum biological activity. Thymidine analogues, containing heterocyclic systems, are known to possess various therapeutic activities for the treatment of human diseases. Thymidine analogues such as telbibudine (thymidine α-L-nucleoside analogue), AZT (3׳-azido-2׳,3׳-dideoxythymidine), stavudine, zalcitabine are being used as antiviral, and HIV, drugs. In our present investigation, four new series of nucleoside derivatives were synthesized from thymidine (1) via only two-step reactions by direct acylation method and furnished the 5 -O-acyl thymidine derivatives in good yields. To obtain newer products for antimicrobial evaluation studies, the 5 -O-thymidine derivatives were further transformed into two series of 2 ,3 -di-O-acyl derivatives (scheme 1-4) containing a wide variety of functionalities in a single molecular framework.
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