作者: John Willis

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John Willis is a professional engineer and makes his home in Virginia Beach, Virginia with his wife and two children.




79 电子书 John Willis

John Willis: Detox
One hundred and fifty years of advancing technology has done much to promote the success of the human race…or has it? This fast-paced technological thriller may have some clues. Fast forward a cent …
EPUB
英语
DRM
€4.49
Kartik Chandran & Jeff Foley: N2O and CH4 Emission from Wastewater Collection and Treatment Systems
In a world where there is a growing awareness of the possible effects of human activities on climate change, there is a need to identify the emission of greenhouse gases (GHG) from wastewater treatme …
PDF
英语
DRM
€131.88
John Willis: Methane Evolution from Lagoons and Ponds
These case studies focus on the CH4 emissions from wastewater treatment in photosynthetic oxidation ponds and facultative sludge lagoons. These area-intensive processes are for cryophilic-to-mesophil …
PDF
英语
DRM
€36.85
John Willis: Methane Evolution from Wastewater Conveyance
Available as e Book only. Methane (CH4) production from sewers is a suspected, yet relatively undocumented source of greenhouse gases (GHGs). The Intergovernmental Panel on Climate Change (IPCC) publ …
PDF
英语
DRM
€37.39
John Willis: Flare Efficiency Estimator and Case Studies
Anaerobic digestion of sludge at wastewater treatment plants and biological decay of organic matter in landfills primarily generates methane (CH4) and carbon dioxide (CO2) along with other secondary …
PDF
英语
DRM
€37.03
Nancy Andrews & Diane Nascimento: Current Energy Position of New York State Wastewater Treatment Facilities
In 2008, the New York State Energy Research and Development Authority (NYSERDA) published the "Statewide Assessment of Energy Use by the Municipal Water and Wastewater Sector" documenting 2 …
PDF
英语
DRM
€35.76
John Willis: Assessment of Technology Advancements for Future Energy Reduction
The wastewater industry is continuously seeking new technologies that will reduce the need for purchased energy and improve its ability to beneficially recover resources. In addition, within energy-p …
PDF
英语
DRM
€35.86
John Willis: Piranha
Did you know that piranhas eat plants as well as meat? Piranhas also stay safe by swimming in groups. Find out these and more exciting facts in I Am a Piranha. Piranha is part of the Let’s Read colle …
PDF
英语
DRM
€28.99
John Willis: Helicopters
Did you know that helicopters can fly backwards? They use spinning wings called rotor blades to fly. Learn more fascinating facts in Helicopters, a Mighty Military Machines book. …
PDF
英语
DRM
€28.99
John Willis: Submarines
Did you know that a submarine’s tube-shaped body helps it move quickly through the water? Ballast tanks help a submarine to sink or float. Learn more fascinating facts in Submarines, a Mighty Militar …
PDF
英语
DRM
€28.99
John Willis: Stars
Did you know that the Sun is our closest star? On a clear night, we can see about 2, 500 different stars in the sky. Discover these and more intriguing facts in Stars. …
PDF
英语
DRM
€28.99
John Willis: El mundo del flamenco
Did you know that the food flamingos eat colors their feathers? Flamingos often stand on just one leg. Discover more about these brightly colored birds in A Flamingo’s World. …
PDF
西班牙语
DRM
€28.99
John Willis: Seasons
Did you know that some animals sleep all winter to stay warm? When it is summer in some places, it is winter in others. Discover these and more intriguing facts in Seasons. …
EPUB
英语
DRM
€28.99
John Willis: Stars
Did you know that the Sun is our closest star? On a clear night, we can see about 2, 500 different stars in the sky. Discover these and more intriguing facts in Stars. …
EPUB
英语
DRM
€28.99
John Willis: Taste
Did you know that umami foods have a meaty flavor? Our sense of taste lets us enjoy many different flavors. Discover these and other interesting facts in Taste. …
EPUB
英语
DRM
€28.99
John Willis: El mundo del flamenco
Did you know that the food flamingos eat colors their feathers? Flamingos often stand on just one leg. Discover more about these brightly colored birds in A Flamingo’s World. …
EPUB
西班牙语
DRM
€28.99
John Willis: Migration
Did you know that migration is when an animal moves from one place to another? Arctic terns migrate farther than any other bird. Discover these and other interesting facts in Migration. …
EPUB
英语
DRM
€28.99
John Willis: Herbivores
Did you know that koalas only eat leaves from one type of tree? Goats can eat many different plants. Discover these and other interesting facts in Herbivores. …
EPUB
英语
DRM
€28.99
John Willis: Moto X
Did you know that moto X bikes are built to be light? Their light weight helps riders jump higher. Discover these and other interesting facts in Moto X. …
EPUB
英语
DRM
€28.99
John Willis: El mundo del reno
Did you know that a reindeer’s ankles make a clicking sound when it walks? Reindeer have wider feet than any other deer. Discover more about these cold-weather herbivores in A Reindeer’s World. …
EPUB
西班牙语
DRM
€28.99
John Willis: A Flamingo’s World
Did you know that the food flamingos eat colors their feathers? Flamingos often stand on just one leg. Discover more about these brightly colored birds in A Flamingo’s World. …
EPUB
英语
DRM
€28.99
John Willis: A Reindeer’s World
Did you know that a reindeer’s ankles make a clicking sound when it walks? Reindeer have wider feet than any other deer. Discover more about these cold-weather herbivores in A Reindeer’s World. …
EPUB
英语
DRM
€28.99
John Willis: Taste
Did you know that umami foods have a meaty flavor? Our sense of taste lets us enjoy many different flavors. Discover these and other interesting facts in Taste. …
PDF
英语
DRM
€28.99
John Willis: Orca
Did you know that orcas are the largest kind of dolphin? Orcas also use sound to help them catch their food. Find out these and more exciting facts in I Am an Orca. Orca is part of the Let’s Read col …
PDF
英语
DRM
€28.99
John Willis: Wetlands
Did you know that wetlands are like large sponges? They store water from rain and melted snow. Crocodiles, turtles, and muskrats can all be found in wetland ecosystems. Discover more intriguing facts …
PDF
英语
DRM
€28.99
John Willis: Centipedes
Did you know that centipedes can have many legs? A centipede uses its many legs to move very fast. Learn more fascinating facts in Centipedes, a Fascinating Insects book. This AV2 media enhanced book …
PDF
英语
DRM
€28.99
John Willis: Crickets
Did you know that crickets make a chirping sound? Making a chirping sound lets crickets talk to each other. Learn more fascinating facts in Crickets, a Fascinating Insects book. This AV2 media enhanc …
PDF
英语
DRM
€28.99
John Willis: Slugs
Did you know that the bottom part of a slug is called a foot? Using its foot, a slug can slowly slide along the ground. Learn more fascinating facts in Slugs, a Fascinating Insects book. This AV2 med …
PDF
英语
DRM
€28.99
John Willis: Coyotes 
Did you know that coyotes dig holes when they are about to have babies? The hole becomes the den where the baby coyotes are raised. Find out more in Coyotes, a Little Backyard Animals book. …
PDF
英语
DRM
€28.99
John Willis: Skunks 
Did you know that baby skunks follow their mother everywhere? They walk in a line behind her. Find out more in Skunks, a Little Backyard Animals book. …
PDF
英语
DRM
€28.99
John Willis: Aircraft Carriers
Did you know that aircraft carrier crews include dentists and barbers? The United States Navy first used an aircraft carrier almost 100 years ago. Learn more fascinating facts in Aircraft Carriers, a …
PDF
英语
DRM
€28.99
John Willis: Fighter Jets
Did you know that some fighter jet engines weigh as much as cars? Fighter jet pilots steer the plane with a stick control. Learn more fascinating facts in Fighter Jets, a Mighty Military Machines boo …
PDF
英语
DRM
€28.99
John Willis: Humvees
Did you know that there are 15 different kinds of Humvee? Some Humvees can weigh more than a rhinoceros. Learn more fascinating facts in Humvees, a Mighty Military Machines book. …
PDF
英语
DRM
€28.99
John Willis: Tanks
Did you know that the body of a tank is called its hull? Many tanks have a crew of four soldiers. Learn more fascinating facts in Tanks, a Mighty Military Machines book. …
PDF
英语
DRM
€28.99
John Willis: Baboon
Did you know that baboons are some of the largest monkeys on Earth? Baboons ride on their mother’s backs when they are babies. Find out these and more exciting facts in I Am a Baboon. …
PDF
英语
DRM
€28.99
John Willis: Los coyotes
¿Sabías que los coyotes hacen un hoyo en la tierra cuando están por tener cría? Cuando dan a luz, el hoyo se convierte en su madriguera. Descubre más en Los coyotes, uno de los libros de Pequeños ani …
PDF
西班牙语
DRM
€28.99
John Willis: Las ardillas
¿Sabías que algunas ardillas crían a sus bebés en las viejas casas de los pájaros carpinteros? Construyen una madriguera dentro del agujero hecho por un pájaro carpintero. Descubre más en Las ardilla …
PDF
西班牙语
DRM
€28.99
John Willis: Los portaviones
¿Sabías que en la tripulación de los portaviones hay dentistas y peluqueros? La Armada de los Estados Unidos usó por primera vez un portaviones hace casi 100 años. Aprende más datos fascinantes en Lo …
PDF
西班牙语
DRM
€28.99
John Willis: Los cazas a reacción
¿Sabías que el motor de algunos cazas a reacción pesa lo mismo que un auto? Los pilotos de los cazas a reacción manejan el avión con una palanca de mando. Aprende más datos fascinantes en Los cazas a …
PDF
西班牙语
DRM
€28.99
John Willis: Los helicópteros
¿Sabías que los helicópteros pueden volar hacia atrás? Para volar, usan unas alas giratorias llamadas palas del rotor. Aprende más datos fascinantes en Los helicópteros, uno de los libros de Máquinas …
PDF
西班牙语
DRM
€28.99
John Willis: Los Humvees
¿Sabías que hay 15 tipos diferentes de Humvees? Algunos Humvees pueden pesar lo mismo que un rinoceronte. Aprende más datos fascinantes en Los Humvees, uno de los libros de Máquinas militares poderos …
PDF
西班牙语
DRM
€28.99
John Willis: Los submarinos
¿Sabías que la forma tubular del submarino lo ayuda a moverse más rápido por el agua? Los tanques de lastre lo ayudan a hundirse o flotar. Aprende más datos fascinantes en Los submarinos, uno de los …
PDF
西班牙语
DRM
€28.99
John Willis: Los tanques
¿Sabías que el cuerpo de un tanque se llama casco? La mayoría de los tanques llevan una tripulación de cuatro soldados. Aprende más datos fascinantes en Los tanques, uno de los libros de Máquinas mil …
PDF
西班牙语
DRM
€28.99
John Willis: Los pantanos
¿Sabías que los pantanos son como enormes esponjas? Almacenan el agua de la lluvia y la nieve derretida. En el ecosistema del pantano viven cocodrilos, tortugas y ratas almizcleras. Descubre más dato …
PDF
西班牙语
DRM
€28.99
John Willis: Los ciempiés
¿Sabías que los ciempiés pueden tener muchas patas? El ciempiés usa sus numerosas patas para moverse muy rápido. Aprende más datos fascinantes en Los ciempiés, uno de los libros de Insectos fascinant …
PDF
西班牙语
DRM
€28.99
John Willis: Los grillos
¿Sabías que los grillos emiten un chirrido? Así es como se comunican entre sí. Aprende más datos fascinantes en Los grillos, uno de los libros de Insectos fascinantes …
PDF
西班牙语
DRM
€28.99
John Willis: Las babosas
¿Sabías que la parte inferior de las babosas se llama pie? Con ese pie, la babosa puede deslizarse lentamente por el suelo. Aprende más datos fascinantes en Las babosas, uno de los libros de Insectos …
PDF
西班牙语
DRM
€28.99
John Willis: La orca
¿Sabías que las orcas son el tipo de delfín más grande? Las orcas usan el sonido para conseguir su alimento. Descubre estos y otros datos interesantes en Yo soy la orca. …
PDF
西班牙语
DRM
€28.99
John Willis: La piraña
¿Sabías que las pirañas comen plantas además de carne? Las pirañas se protegen nadando en grupo. Descubre estos y otros datos interesantes en Yo soy la piraña …
PDF
西班牙语
DRM
€28.99
John Willis: Toronto Blue Jays
The Toronto Blue Jays first started playing Major League Baseball in 1977. Today, they are the only Canadian MLB team. Learn more about this team’s history, uniforms, accomplishments, equipment, key …
PDF
英语
DRM
€29.99
John Willis: Seasons
Did you know that some animals sleep all winter to stay warm? When it is summer in some places, it is winter in others. Discover these and more intriguing facts in Seasons. …
PDF
英语
DRM
€28.99
John Willis: Migration
Did you know that migration is when an animal moves from one place to another? Arctic terns migrate farther than any other bird. Discover these and other interesting facts in Migration. …
PDF
英语
DRM
€28.99
John Willis: Herbivores
Did you know that koalas only eat leaves from one type of tree? Goats can eat many different plants. Discover these and other interesting facts in Herbivores. …
PDF
英语
DRM
€28.99
John Willis: Moto X
Did you know that moto X bikes are built to be light? Their light weight helps riders jump higher. Discover these and other interesting facts in Moto X. …
PDF
英语
DRM
€28.99
John Willis: El mundo del reno
Did you know that a reindeer’s ankles make a clicking sound when it walks? Reindeer have wider feet than any other deer. Discover more about these cold-weather herbivores in A Reindeer’s World. …
PDF
西班牙语
DRM
€28.99
John Willis: Animals
Did you know that an armadillo’s body is covered in hard plates? A hare’s body is covered in soft fur for warmth. Young readers will discover the differences between these animal opposites and more i …
PDF
英语
DRM
€28.99
John Willis: A Flamingo’s World
Did you know that the food flamingos eat colors their feathers? Flamingos often stand on just one leg. Discover more about these brightly colored birds in A Flamingo’s World. …
PDF
英语
DRM
€28.99
John Willis: A Reindeer’s World
Did you know that a reindeer’s ankles make a clicking sound when it walks? Reindeer have wider feet than any other deer. Discover more about these cold-weather herbivores in A Reindeer’s World. …
PDF
英语
DRM
€28.99
John Willis: Los animales
¿Sabías que los guepardos corren más rápido que cualquier otro animal? Los perezosos son muy lentos. No pueden correr en absoluto. Los jóvenes lectores descubrirán las diferencias entre estos animale …
PDF
西班牙语
DRM
€28.99
John Willis: El babuino
¿Sabías que el babuino es uno de los monos más grandes de la Tierra? Los babuinos viajan en la espalda de su mamá cuando son bebés. Descubre estos y muchos más datos sorprendentes en Yo soy un babuin …
PDF
西班牙语
DRM
€28.99
John Willis: El gusto
¿Sabías que los alimentos umami tienen un gusto parecido a la carne? Nuestro sentido del gusto nos permite disfrutar muchos sabores diferentes. Descubre estos y otros datos interesantes en El gusto. …
PDF
西班牙语
DRM
€28.99
John Willis: Las estaciones
¿Sabías que algunos animales duermen todo el invierno para no tener frío? Cuando es verano en algunos lugares, es invierno en otros. Descubre estos y muchos más datos intrigantes en Las estaciones. …
PDF
西班牙语
DRM
€28.99
John Willis: Las estrellas
¿Sabías que el sol es nuestra estrella más cercana? En las noches claras, podemos ver unas 2.500 estrellas diferentes en el cielo. Descubre estos y muchos más datos intrigantes en Las estrellas. …
PDF
西班牙语
DRM
€28.99
John Willis: Churchill’s Few
Ever wondered what it truly felt like to be in the heart of the Battle of Britain? John Willis presents an absorbing account of World War II’s Battle of Britain, casting a spotlight on the brave pilo …
EPUB
英语
DRM
€51.34
John Willis: Secret Letters
Dive into the daring deeds of wartime pilots in the throes of World War II. Our story centres on Geoffrey Myers, an intelligence officer with the RAF 257 Squadron during the Battle of Britain. He’s a …
EPUB
英语
DRM
€51.46
Gene Kim & Jez Humble: Das DevOps-Handbuch
Praxiswissen von den führenden Köpfen der Dev Ops-Bewegung
  • 2., aktualisierte und erweiterte Auflage, ergänzt durch aussagekräftige neue Fallstudien
  • Dev Ops-Prinzipien, die auch in d …
PDF
德语
€44.90
Gene Kim & Jez Humble: Das DevOps-Handbuch
Praxiswissen von den führenden Köpfen der Dev Ops-Bewegung
  • 2., aktualisierte und erweiterte Auflage, ergänzt durch aussagekräftige neue Fallstudien
  • Dev Ops-Prinzipien, die auch in d …
EPUB
德语
€44.90
Helen Beal & Bill Bensing: Projekt Eureka bei Investments Unlimited
Ein temporeicher Roman, der Konzepte, Instrumente und praktische Schritte für die Automatisierung von Governance vorstellt – Eine weitere spannende und informative Dev Ops-Geschichte in der Tradition …
PDF
德语
€24.90
Helen Beal & Bill Bensing: Projekt Eureka bei Investments Unlimited
Ein temporeicher Roman, der Konzepte, Instrumente und praktische Schritte für die Automatisierung von Governance vorstellt – Eine weitere spannende und informative Dev Ops-Geschichte in der Tradition …
EPUB
德语
€24.90
John Willis: Nagasaki
Ever wondered about the untold stories of bravery and resilience during World War II? Penned by esteemed author and documentary maker John Willis, this poignant narrative unveils the harrowing experi …
EPUB
英语
DRM
€50.99
John Willis: Fighter Boy
Geoffrey Page was one of the most remarkable fighter pilots of World War Two. Shot down in a fireball during the Battle of Britain his hands were burnt to the bone and his face badly charred. Despite …
EPUB
英语
DRM
€24.99