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Stellaris - Nova Edition Steam Key GLOBAL
9,20 € *
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Explore a vast galaxy full of wonder! Paradox Development Studio, makers of the Crusader Kings and Europa Universalis series presents Stellaris, an evolution of the grand strategy genre with space exploration at its core. Featuring deep strategic gameplay, a rich and enormously diverse selection of alien races and emergent storytelling, Stellaris has engaging challenging gameplay that rewards interstellar exploration as you traverse, discover, interact and learn more about the multitude of species you will encounter during your travels. Etch your name across the cosmos by forging a galactic empire; colonizing remote planets and integrating alien civilizations. Will you expand through war alone or walk the path of diplomacy to achieve your goals? Stellaris Nova Edition additionally includes:Digital Original SoundtrackNova Forum IconExclusive Alien Race (Cosmetic DLC)

Anbieter: G2A
Stand: 29.05.2020
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The Butterfly Tattoo: A Joe Collins Mystery, Bo...
9,95 € *
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As a cop, Joe Collins knew there were bad people out there - serial killers, monsters that needed to be caught... and eliminated. His vigilante brand of justice makes for exciting listening in this new mystery series that will etch itself into your imagination like a tattoo. 1. Language: English. Narrator: Michael Pauley. Audio sample: http://samples.audible.de/bk/acx0/027657/bk_acx0_027657_sample.mp3. Digital audiobook in aax.

Anbieter: Audible
Stand: 29.05.2020
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Jingle Bells and Deadly Smells: Sandy Bay Cozy ...
9,95 € *
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The 10th book in the best-selling Sandy Bay Cozy Mystery series!Christmas is that season...that season of pleasant surprises...delicious smells...and family and friends to share the holidays with.This Christmas, Sandy Bay’s lovable bakery owner, Meghan Truman, gets a whole lot more than she bargained for...plus a dead body at the door of her favorite restaurant. Some people would rather sweep this murder under the carpet but something smells awfully fishy about the events surrounding it.Will Meghan join Detective Irvin to find the murderer or will this event serve to etch unpleasant memories of this most wonderful time of the year?Book 10 in the best-selling Sandy Bay Cozy Mystery series, which can be listened to in one to two hours! Perfect for a lunchtime listen or on a commute to/from work. If you want to enjoy a quick light-hearted listen, with an amateur female sleuth, mouth-watering culinary desserts, and a gripping murder mystery with a touch of romance, then you'll love Meghan Truman and all the quirky characters in Sandy Bay.No cliff-hanger, swearing, or graphic scenes!Buy Jingle Bells and Deadly Smells to discover how events unfold in this cozy murder mystery. 1. Language: English. Narrator: Elena Marino. Audio sample: http://samples.audible.de/bk/acx0/175147/bk_acx0_175147_sample.mp3. Digital audiobook in aax.

Anbieter: Audible
Stand: 29.05.2020
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Chester B. Himes: A Biography , Hörbuch, Digita...
9,95 € *
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Edgar Award Winner, Best Critical/Biographical, 2018The definitive biography of the groundbreaking African-American author who had an extraordinary legacy on black writers globally. In this biography of Chester B. Himes (1909-1984), Lawrence P. Jackson depicts the improbable life of the controversial writer whose novels confront sexuality, racism, and social injustice. In absorbing detail, Jackson explores Chester Himes's middle-class origins, eight years in prison, painful odyssey as a black World War II-era artist, and escape to Europe, where Himes became internationally famous for his Harlem detective series. Praised by Henry Louis Gates, Jr. as "one of the towering figures of the black literary tradition", Himes, author of the best sellers If He Hollers, Let Him Go and Cotton Comes to Harlem, published 20 literary works over a long career, enhanced by friendships with Ralph Ellison, Richard Wright, and Carl Van Vechtern. Chester B. Himes relies on exclusive interviews and unrestricted access to Himes's full archives. Jackson restores the legacy of a fascinating maverick determined to etch disturbing portraits of American urban life that remain vivid and contemporary.  1. Language: English. Narrator: Ruffin Prentiss, III. Audio sample: http://samples.audible.de/bk/reco/010245/bk_reco_010245_sample.mp3. Digital audiobook in aax.

Anbieter: Audible
Stand: 29.05.2020
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Me the People: One Man's Selfless Quest to Rewr...
9,95 € *
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Audie Award Nominee, Humor, 2013 The United States Constitution promised a "More Perfect Union". It’s a shame no one bothered to write a more perfect Constitution - one that didn’t trigger more than two centuries of arguments about what the darn thing actually says. Until now. Perfection is at hand. A new, improved Constitution is here. And you are about to listen to it. But first, some historical context: In the 18th century, a lawyer named James Madison gathered his friends in Philadelphia and over four long months, wrote four short pages: the Constitution of the United States of America. Not bad. In the 19th century, a president named Abraham Lincoln freed an entire people from the flaws in that Constitution by signing the Emancipation Proclamation. Pretty impressive. And in the 20th century, a doctor at the Bethesda Naval Hospital delivered a baby - but not just any baby. Because in the 21st century, that baby would become a man, that man would become a patriot, and that patriot would rescue a country ... by single-handedly rewriting that Constitution. Why? We think of our Constitution as the painstakingly designed blueprint drawn up by, in Thomas Jefferson’s words, an “assembly of demigods” who laid the foundation for the sturdiest republic ever created. The truth is, it was no blueprint at all but an Etch A Sketch, a haphazard series of blunders, shaken clean and redrawn countless times during a summer of petty debates, drunken ramblings, and desperate compromise - as much the product of an “assembly of demigods” as a confederacy of dunces. No wonder George Washington wished it “had been made more perfect.” No wonder Benjamin Franklin stomached it only “with all its faults.” The Constitution they wrote is a hot mess. For starters, it doesn’t mention slavery, or democracy, or even Facebook; it plays favorites among the states; it has typos, smudges, and misspellings; and its Preamble, i 1. Language: English. Narrator: Kevin Bleyer. Audio sample: http://samples.audible.de/bk/rand/003053/bk_rand_003053_sample.mp3. Digital audiobook in aax.

Anbieter: Audible
Stand: 29.05.2020
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Business Biographies and Memoirs - Titans of In...
9,95 € *
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The five Titans of Industry discussed in this series are, without a doubt, the most influential and impactful men in American history. Without any one of them, the entire landscape of the US would be different. They are the founders of the American economy.  We live in a world today that is based on the actions of John D. Rockefeller. Everything we do and how we live are the result of oil and its power.J.P. Morgan is more than just the name on one of the largest banks in America. He built the financial world we live in today.Henry Ford not only revolutionized the automobile industry, but the assembly line he created has changed the way the entire world thinks about manufacturing.Grab a copy, pull up a chair, pour your favorite listening beverage, and dive in to the lives of the men who built America.Andrew CarnegieAndrew Carnegie amassed wealth that inspired generations of entrepreneurs and industrialists. Starting with nothing in Scotland, he gradually built so much wealth that those at the top of the current Forbes list would still not be able to match him.He began working at a young age, and the lessons he learned from observing his surroundings gave him the foundational structure that allowed him to build his wealth and etch his name in the minds of generations to come.J.P. MorganJ.P. Morgan is more than just the name on one of the largest banks in America. He was a man who altered the course of American finance and the chief financier for the strategic interests of the titans of the day, such as Carnegie and Rockefeller. He also financed new and ingenious technologies developed by Thomas Edison and was a visionary who saw the potential in Nikola Tesla.His ability was not limited to Wall Street, though, and his reputation was not bound by the shores of America. He touched core industries in his lifetime, from shipping to power to steel and provided the spark that reigni 1. Language: English. Narrator: Kevin Kollins. Audio sample: http://samples.audible.de/bk/acx0/163939/bk_acx0_163939_sample.mp3. Digital audiobook in aax.

Anbieter: Audible
Stand: 29.05.2020
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Electrical Characterization of ZnO thin films g...
20,50 € *
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For the electronic and optoelectronic device realization a precise control of the electrical properties in the utilized material is a very important issue. Doping profiles in realized p-njunctions influence the functionality of the devices. The morphological and crystal properties of a device material directly influence the electrical ones. Dislocations present in a region of p-n-junctions can short circuit them leading to malfunctions. Too rough surfaces during epitaxial growth could lead to inhomogeneities in a single or multiple quantum wells and superlattices.The main goal of the present work was to provide the basis for a reliable p-type doping of ZnO grown by molecular beam epitaxy. Firstly, the well established heteroepitaxial growth on c-sapphire substrates has been employed. Based on the theoretical and experimental works, suggesting nitrogen to be the impurity that builds the most shallow acceptor level in ZnO comparing to other group-V elements, it has been implied as a dopant. To generate reactive nitrogen atoms an rf-plasma source has been utilized in the MBE process. The resulting samples have been characterized by such methods as AFM, XRD, TEM, PL spectroscopy, temperature domain Hall measurements (TDHM) and ECV-profiling. First results of TDHM have shown that even in undoped samples the temperature dependencies of the electron mobility and carrier concentration have regions which are difficult to interpret. It is necessary to fit them with theoretical curves in order to extract the correct values. This task has proven to be very difficult. The complicated character of the dependencies has been explained in terms of the multilayer conduction model dividing a layer in thin interfacial region with mobility and carrier concentration μ1 and n1 respectivly and bulk region with a higher mobility μ2 and lower carrier concentration n2. The electrical transport in the bulk region has been modeled in terms of the general scattering theory in polar semiconductors. Such scattering mechanisms as scattering on polar-optical phonons, piezoelectric phonons, acoustic deformation potential, strain induced fields, dislocations, ionized and neutral impurities have been taken into account. Two cases have been considered to model transport in the interfacial region: 1) transport takes place in the conduction band of a highly doped degenerate semiconductor, 2) transport takes place in the impurity band formed by intermediate concentration of impurities and in conduction band in parallel. In the second case transport at the interface in conduction band has been neglected in the region of the low temperatures due to the impurities freeze-out and carrier concentration has been taken temperature independent like in the first case. To investigate experimentally the transport character in these two regions independently a mobility-spectrum analysis has been conducted. Theoretical results utilizing the two models have been compared with experimentally extracted mobility and carrier concentration in the interfacial region. It has been concluded that the concentration of donors in the layers is not high enough for the impurity band to merge with the conduction band and the second model is more consistent. The theoretically acquired donor concentration profiles have been compared with ECV-profiles. The agreement is very good. Simulations have revealed a shallow donor state with the ionization energy of approximately 45 meV. In the literature, this donor state in ZnO is attributed to hydrogen. However, due to the high diffusion mobility of hydrogen in ZnO, an annealing process would obviously decrease the carrier concentration in the samples which has not been the case. It has been suggested that the main donor centers are the electrically active crystal point defects generated by dislocations. Layers doped with nitrogen have been grown at very low temperatures (≈ 200°C) and at temperatures ranging from 400°C to 500°C, which are optimal for the epitaxial growth of ZnO. The samples grown at low temperatures are single crystalline with mosaic structure. In both cases, the introduction of the dopant increased the carrier concentration. This has been accounted for a bad crystal quality resulting in the inhomogeneous incorporation of nitrogen and for high background donor concentration due to the high dislocations densities. Additionally, the incorporation of acceptor centers shifts the Fermi-level increasing the formation probability of the compensating point defects. The analysis of TDHM showed an inconsistency of the one donor level model in the case of nitrogen doped samples. This fact and the decrease in the carrier concentration after annealing at 800°C for 30 minutes in ambient air can be explained by nitrogen forming donor-like defect complexes. In an attempt to improve the crystal quality of the heteroepitaxial layers, 15 periods of a ZnO/Zn0.6Mg0.4O superlattice structure have been inserted between the conventional double HT-MgO/LT-ZnO buffer and a main HT-ZnO layer. TDHM has revealed a very high mobility close to the values measured in a bulk ZnO for the temperature range of 20 - 300 K. However, TEM investigations of the samples have not indicated any decrease in the dislocation density comparing with the similar samples without a superlattice. Such a high mobility has been attributed to an electron transport in the superlattice structure. Heteroepitaxial growth of high quality ZnO-layers has proven to be challenging leaving the homoepitaxial growth as the only possibility to obtain the epitaxial layers with the best structural and electrical properties. The hydrothermally grown bulk ZnO substrates from two supplying companies, CrysTec and TokyoDenpa, have been employed for homoepitaxy. The substrates from CrysTec have not been epi-ready. Although AFM images reveal very flat surface, this has been damaged by the process of the chemomechanical polishing. This damaged layer must be removed. This has been achieved by the thermal annealing for 3 hours at 1050°C in ambient air. The thermally treated surfaces resulted in atomically flat terraces. XRD measurements have indicated an improvement of the crystal quality after annealing. The resistivity of the bulk substrates decreased after the thermal treatment due to out-diffusion of the compensating Li atoms letting Al, Ga and In atoms to contribute to conduction. After the longer annealing processes the etch-pits have been discovered on O-polar faces. The same features could be achieved by the chemical etching in a nitric acid on Zn-polar faces. The density of the threading dislocations on both polar faces for both types of substrates calculated by the etch-pit density investigation is about 105 1/cm2. Further the thermally treated substrates with atomically flat terraces have been utilized for homoepitaxy. The differences in growth kinetics during the molecular beam epitaxy on such substrates with the improved surface quality depending on their polarity have been investigated by RHEED measurements. The growth on a Zn-polar face has a 3D-character independently on a supplier. Morphologies of the resulting O- and Zn-polar layers have shown to be different. This has been explained by the presence of dangling bonds on Opolar face and thus, shorter diffusion time of the impinging Zn atoms on the surface. XRD and TEM measurements have shown a perfect crystal quality of the overgrown layers. The PL spectra of homoepitaxial layers are governed by the donor impurities diffused from the substrates. Considering the SIMS measurements of homoepitaxial layers found in the literature it has been concluded that the diffusion of donors in the layers grown on Zn-polar faces takes less effect then for the O-polar films. This conclusion has enforced the utilization of Zn-polar substrates supplied by CrysTec for the experiments with nitrogen doping of ZnO because of their affordable price. The electrical properties measured by ECV-profiling in series of homoepitaxial layers with varied growth parameters have shown an increase of the carrier concentration with the nitrogen incorporation. In addition, it has also been shown that the resulting electrical properties near the interface are governed mostly by the initial properties of the substrates. With increasing thickness of the layers carrier concentration saturated to the values of around 1016 1/cm3. The recent successful realization of the p-type MgZnO layers on TokyoDenpa substrates by researchers from Japan suggests switching to the p-type doped alloys because the above discussed results indicate that p-type doping with nitrogen of a pure ZnO is very difficult or even impossible. This is due to a rather fundamental reason: the formation of the compensating donor centers with the incorporation of acceptor atoms. As the first step in the future works, it is obvious to try to reproduce the results of the ZnMgO p-type doping with nitrogen employing growth on ZnO substrates.

Anbieter: Dodax
Stand: 29.05.2020
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Education Reform at the 'Edge of Chaos'
134,00 CHF *
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ETCH frames an alternative educational theoretical base - a hybrid complex adaptive systems theory model for education - that more effectively meets the demands to prepare students for the 21st century. ETCH differs by focusing on the systemic, autopoietic nature of schools. It considers the open, fluid processes of school systems as a dissipative structure--- nonlinear in our ability to completely predict the results of any specific intervention. To the educational administrative practitioner, ETCH provides a deeper insight into how an education infrastructure operates. ETCH creates a blueprint of fundamental laws, that when applied to the field of education, provides a framework for school structure design, that 'emerges' into a learning environment, that in turn stimulates holistic growth in every student. Through a series of examples, taken from the author's experiences in founding and operating the Lancaster Institute of Learning, a private state- licensed alternative high school in Pennsylvania, ETCH application emerges into an optimal learning environment for a student-centered complex adaptive system.

Anbieter: Orell Fuessli CH
Stand: 29.05.2020
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Education Reform at the 'Edge of Chaos'
71,99 € *
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ETCH frames an alternative educational theoretical base - a hybrid complex adaptive systems theory model for education - that more effectively meets the demands to prepare students for the 21st century. ETCH differs by focusing on the systemic, autopoietic nature of schools. It considers the open, fluid processes of school systems as a dissipative structure--- nonlinear in our ability to completely predict the results of any specific intervention. To the educational administrative practitioner, ETCH provides a deeper insight into how an education infrastructure operates. ETCH creates a blueprint of fundamental laws, that when applied to the field of education, provides a framework for school structure design, that 'emerges' into a learning environment, that in turn stimulates holistic growth in every student. Through a series of examples, taken from the author's experiences in founding and operating the Lancaster Institute of Learning, a private state- licensed alternative high school in Pennsylvania, ETCH application emerges into an optimal learning environment for a student-centered complex adaptive system.

Anbieter: Thalia AT
Stand: 29.05.2020
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