This short document promotes creating presentations using Haiku Deck, a tool for making slideshows. It encourages the reader to get started making their own Haiku Deck presentation and sharing it on SlideShare. In just one sentence, it pitches the idea of using Haiku Deck to easily create engaging slideshows.
Writing an Essay in 3 sentences:
Choose a central thesis and outline your essay into an introduction, body, and summary paragraphs. The introduction should engage the reader with an interesting fact or question and state your thesis. Each body paragraph should develop the central idea with examples and facts and conclude with a summary. Finally, the summary paragraph restates the main ideas and is often a reverse of the introduction.
Cyber Espionage and Insider Threat: House of Commons Panel DiscussionDr. Lydia Kostopoulos
Presentation from panel discussion at the House of Commons on "Rethinking Cybersecurity: Threats and Challenges in 2016".
Presentation was on "Cyber Espionage and Insider Threat: The impact of the Human Factor". (December 16, 2015)
Este documento presenta una discusión sobre diferentes enfoques y etapas de la planificación. Define la planificación como un proceso de establecer metas y elegir medios para alcanzar dichas metas. Explora enfoques como el normativo-prospectivo, estratégico corporativo y estratégico-situacional. También discute etapas del proceso de planificación como diagnóstico, organización, ejecución y evaluación. Finalmente, analiza conceptos como los enfoques multidisciplinario, interdisciplinario y transdisciplinario.
The document presents a system model and problem formulation for user scheduling in massive MIMO OFDMA systems with hybrid analog-digital beamforming. The system considers a base station with N antennas but only Na < N RF chains serving multiple single-antenna mobile stations. The objective is to maximize the overall data rate by scheduling Kt mobile stations across subcarriers, subject to a per-subcarrier power constraint. For a single subcarrier, the problem is formulated as maximizing the sum rate of K scheduled users under a total power constraint, assuming Na = K RF chains. Two approaches are discussed: directly constraining the analog beamforming matrix or exploiting the solution from a digital scheduler using a clever decomposition method.
The document discusses reversing systems for ships, which can use either an indirect or direct shafting arrangement. The indirect system uses a controllable pitch propeller and gearbox to adjust the pitch of the propeller blades for reversing. The direct system directly reverses the rotation of the engine itself, with clockwise rotation for moving ahead and counterclockwise for reversing astern. It also includes a diagram showing the components involved in a direct system, including a selector valve, servo motor, and fuel cams for switching the engine between ahead and astern rotation.
This document contains a survey asking the respondent's gender, favorite music genres, and how much they would be willing to spend on a magazine. It provides female and male as gender options and lists various music genres like hip hop, dance, R&B, and rock for the respondent to select from. It also provides spending tiers from £0-£1.99 up to £4-£5 for the respondent to indicate how much they are willing to spend on a magazine.
This short document promotes creating presentations using Haiku Deck, a tool for making slideshows. It encourages the reader to get started making their own Haiku Deck presentation and sharing it on SlideShare. In just one sentence, it pitches the idea of using Haiku Deck to easily create engaging slideshows.
Writing an Essay in 3 sentences:
Choose a central thesis and outline your essay into an introduction, body, and summary paragraphs. The introduction should engage the reader with an interesting fact or question and state your thesis. Each body paragraph should develop the central idea with examples and facts and conclude with a summary. Finally, the summary paragraph restates the main ideas and is often a reverse of the introduction.
Cyber Espionage and Insider Threat: House of Commons Panel DiscussionDr. Lydia Kostopoulos
Presentation from panel discussion at the House of Commons on "Rethinking Cybersecurity: Threats and Challenges in 2016".
Presentation was on "Cyber Espionage and Insider Threat: The impact of the Human Factor". (December 16, 2015)
Este documento presenta una discusión sobre diferentes enfoques y etapas de la planificación. Define la planificación como un proceso de establecer metas y elegir medios para alcanzar dichas metas. Explora enfoques como el normativo-prospectivo, estratégico corporativo y estratégico-situacional. También discute etapas del proceso de planificación como diagnóstico, organización, ejecución y evaluación. Finalmente, analiza conceptos como los enfoques multidisciplinario, interdisciplinario y transdisciplinario.
The document presents a system model and problem formulation for user scheduling in massive MIMO OFDMA systems with hybrid analog-digital beamforming. The system considers a base station with N antennas but only Na < N RF chains serving multiple single-antenna mobile stations. The objective is to maximize the overall data rate by scheduling Kt mobile stations across subcarriers, subject to a per-subcarrier power constraint. For a single subcarrier, the problem is formulated as maximizing the sum rate of K scheduled users under a total power constraint, assuming Na = K RF chains. Two approaches are discussed: directly constraining the analog beamforming matrix or exploiting the solution from a digital scheduler using a clever decomposition method.
The document discusses reversing systems for ships, which can use either an indirect or direct shafting arrangement. The indirect system uses a controllable pitch propeller and gearbox to adjust the pitch of the propeller blades for reversing. The direct system directly reverses the rotation of the engine itself, with clockwise rotation for moving ahead and counterclockwise for reversing astern. It also includes a diagram showing the components involved in a direct system, including a selector valve, servo motor, and fuel cams for switching the engine between ahead and astern rotation.
This document contains a survey asking the respondent's gender, favorite music genres, and how much they would be willing to spend on a magazine. It provides female and male as gender options and lists various music genres like hip hop, dance, R&B, and rock for the respondent to select from. It also provides spending tiers from £0-£1.99 up to £4-£5 for the respondent to indicate how much they are willing to spend on a magazine.
The document analyzes and summarizes images of several popular artists including Katy Perry, Little Mix, Lil Wayne, Beyonce, Miley Cyrus, Jessie J, Lady Gaga, and Jay Z. Key points analyzed across the images include colors, lighting, poses, expressions, accessories, tattoos, and other visual elements and how they relate to the artists' personas, styles, and genres of music. Common themes examined are femininity vs. rebelliousness, innocence vs. danger, control vs. carelessness, and light vs. dark.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
The document discusses various numerical and mathematical concepts including Roman numerals such as XVII equaling 17 and LXVI equaling 66. It also mentions Arabic symbols and the years 1954-1964, known as the Victorian Period.
This document discusses methods in C# programming. It begins with an introduction to methods and their use for modularizing programs into self-contained units. It then covers defining and calling methods, including specifying return types, parameters, and access modifiers. Examples are provided of common math methods and defining custom methods to calculate taxes, add values, and find maximum values. Common errors related to method definitions and usage are also listed.
The document provides instructions for making a decorated bread loaf using yeast dough. It describes mixing ingredients like flour, yeast, butter, milk, eggs, and sugar to form the dough. The dough is kneaded for 20-30 minutes and left to rise before decorative elements are arranged on top. The decorated loaf is left to rise further before baking at 200°C, then 180°C with foil covering for 1-1.5 hours until fully cooked.
This document provides guidance on optimizing profiles on the professional networking platform LinkedIn. It discusses why LinkedIn is a useful business tool, how to create a complete profile including sections like experience, education and skills. It also covers how to build connections, engage with your profile over time through updates, and common mistakes to avoid. The document recommends setting up a company page to represent your organization. It distinguishes LinkedIn profiles from resumes or CVs and provides etiquette tips. Finally it briefly introduces the LinkedIn Recruiter tool for recruiting passive candidates.
The document analyzes and summarizes images of several popular artists including Katy Perry, Little Mix, Lil Wayne, Beyonce, Miley Cyrus, Jessie J, Lady Gaga, and Jay Z. Key points analyzed across the images include colors, lighting, poses, expressions, accessories, tattoos, and other visual elements and how they relate to the artists' personas, styles, and genres of music. Common themes examined are femininity vs. rebelliousness, innocence vs. danger, control vs. carelessness, and light vs. dark.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
The document discusses various numerical and mathematical concepts including Roman numerals such as XVII equaling 17 and LXVI equaling 66. It also mentions Arabic symbols and the years 1954-1964, known as the Victorian Period.
This document discusses methods in C# programming. It begins with an introduction to methods and their use for modularizing programs into self-contained units. It then covers defining and calling methods, including specifying return types, parameters, and access modifiers. Examples are provided of common math methods and defining custom methods to calculate taxes, add values, and find maximum values. Common errors related to method definitions and usage are also listed.
The document provides instructions for making a decorated bread loaf using yeast dough. It describes mixing ingredients like flour, yeast, butter, milk, eggs, and sugar to form the dough. The dough is kneaded for 20-30 minutes and left to rise before decorative elements are arranged on top. The decorated loaf is left to rise further before baking at 200°C, then 180°C with foil covering for 1-1.5 hours until fully cooked.
This document provides guidance on optimizing profiles on the professional networking platform LinkedIn. It discusses why LinkedIn is a useful business tool, how to create a complete profile including sections like experience, education and skills. It also covers how to build connections, engage with your profile over time through updates, and common mistakes to avoid. The document recommends setting up a company page to represent your organization. It distinguishes LinkedIn profiles from resumes or CVs and provides etiquette tips. Finally it briefly introduces the LinkedIn Recruiter tool for recruiting passive candidates.
2. Fogalma
A koffein metilxantin-származék (INN: caffeine) (1,3,7-
trimetil-xantin, C8H10N4O2), fehér, keserű ízű, kristályos
vegyület.
A kávé (1-1,5%), tea (2-5%) és kóladió (kb. 1,5%) alkaloidja.
Kis mennyiségben a kakaóbab is tartalmazza. Amíg nem
sikerült azonosítani, a teában lévő élénkítő anyagot a
koffeintől eltérőnek tartották, és teinnek (vagy tininnek)
nevezték, azonban kiderült, hogy a két vegyület egy és
ugyanaz.
Olvadáspontja: 238 °C, 178 °C fölött szublimál. Vízben
rosszul oldódik, ezért a jól oldódó kettős sóit használják.
2014.05.05. 2
3. Felhasználása
Ősidők óta használják élvezeti szerként azon növények
kivonatát, amelyekben a természetben előfordul (kávé,
tea). Ezenkívül az élelmiszeripar felhasználja
üdítőitalok előállításához (kólák, energiaitalok).
A gyógyászatban alkoholmérgezés és kimerültség
kezelésére, élénkítőszerként, valamint
fájdalomcsillapító és megfázás elleni gyógyszerek
gyártásához használják.
A VIII. Magyar Gyógyszerkönyvben Coffeinum néven
hivatalos.
2014.05.05. 3
4. Élettani hatások
A szíven közvetlen hatással növeli a szív frekvenciáját
és a kontrakciók erejét. Az agyi erek tónus fokozódása
az adenozin receptorok gátlásán, a cardiovascularis
hatás, valamint a bronchiális izomzat elernyedése, a
foszfodiészteráz gátlásán alapszik. Foszfodiészteráz
enzim gátló, és kompetitív A1 és A2A adenozin-
receptor gátlószer; 3,5- cAMP foszfodiészteráz
gátlószer, a cAMP szint emelése révén hat.
2014.05.05. 4
5. Élettani hatások 2
Gyógyszer-kombinációkban az agyi erek szűkítésével
potenciálja a fájdalomcsillapítók analgetikus hatását,
így azok dózisa, és ezzel a mellékhatások veszélye
csökkenthető. A májban metabolizálódó gyógyszerek
plazma-átáramlását csökkenti, így megnyújtja a
felezési időt és növeli a steady-state koncentrációt. A
koffein élénkítő hatású gyenge pszichostimuláns,
valamint diuretikus hatású. Továbbá enyhíti a
fáradtság tüneteit és fokozza a munkaképességet
2014.05.05. 5
7. Mellékhatásai
Tartós fogyasztás esetén enyhe
tolerancia és addikció alakul ki,
de ez nem tartós, néhány hetes
„elvonókúra” megszünteti. 300
mg fölötti fogyasztás esetén
kézremegést, erős szívdobogást,
a fejben vértolulást idéz elő.
Magasvérnyomás, ritmuszavar,
szorongás, pánikroham
provokátor, migrént okozhat
Halálos adagja: 5-10 g.
2014.05.05. 7