Products related to Oxygen:
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Oxygen : A Four Billion Year History
The air we breathe is twenty-one percent oxygen, an amount higher than on any other known world.While we may take our air for granted, Earth was not always an oxygenated planet.How did it become this way? Donald Canfield--one of the world's leading authorities on geochemistry, earth history, and the early oceans--covers this vast history, emphasizing its relationship to the evolution of life and the evolving chemistry of the Earth.Canfield guides readers through the various lines of scientific evidence, considers some of the wrong turns and dead ends along the way, and highlights the scientists and researchers who have made key discoveries in the field.Showing how Earth's atmosphere developed over time, Oxygen takes readers on a remarkable journey through the history of the oxygenation of our planet.
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Earth History of Oxygen and the iprOxy
How oxygen levels in Earth's atmosphere and oceans evolved has always been a central question in Earth System Science.Researchers have developed numerous tracers to tackle this question, utilizing geochemical characteristics of different elements.Iodine incorporated in calcium carbonate (including biogenic) minerals, reported as I/Ca, is a proxy for dissolved oxygen in seawater.Here we review the rationale behind this proxy, its recent applications and some potential future research directions.
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Technology and Social Transformations in Hospitality, Tourism and Gastronomy : South Asia Perspectives
This book explores the relationship between technology and social transformation in tourism, hospitality and gastronomy.It presents research and case studies, elaborating on benchmark practices adopted by tourism and hospitality professionals.In recent years, technology has transformed the tourism and hospitality industry; the chapters in this book cover areas such as guest experience and service quality, as well as operational areas such as housekeeping and waste management.Further social transformation in tourism is a result of drivers such as a growing interest in gastronomy and the use of social media; this is covered in the first part of the book.The second part outlines how communities may learn from these events.With contributions from academics, entrepreneurs, destination managers and government officials from the South Asia region, this book offers a real insight in to these areas of growing interest and provide a useful resource for those researching and studying within the areas of tourism development and hospitality.
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Oxygen Concentrator Household Portable Oxygen Machine Oxygen Inhalation Machine Household Oxygen Concentrator Atomization Negative Ion
Product specifications Model：KJ-8000 Oxygen making mode：VPSA mode Inhalation method：Nasal inhaler Oxygen concentration （* flow ）：About 35% ~ 55% , 1L/Min Measurement environment: 20 °C /normal pressure, 60% RH / relative humidity Spray rate：≥0.2mL/min Working air flow ：≥6.7LPM ≥83kpa Working pressure range:DC12V Power supply :25W Negative ion :About 300,000/ (electronic radiationtype) Noise :About 45dB away from the host 1 meter Host size：210mm(L) x 75mm(W) x 295mm(H) Host weight ：About 1.88 kg (host only), Gross weight: 2.4kg List of goods Main unit 1 set The oxygen tube 1 set Power adapter 1 set Instruction manual 1 set
Price: 150.99 £ | Shipping*: 0.0 £
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What are oxygen-containing and oxygen-free acids?
Oxygen-containing acids are acids that contain oxygen in their chemical structure, such as sulfuric acid (H2SO4) and nitric acid (HNO3). These acids typically have higher acidity due to the presence of oxygen atoms. On the other hand, oxygen-free acids do not contain oxygen in their chemical structure, such as hydrochloric acid (HCl) and hydrobromic acid (HBr). These acids tend to be less acidic compared to oxygen-containing acids.
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What is the difference between atmospheric oxygen and oxygen?
Atmospheric oxygen refers to the oxygen that is present in the Earth's atmosphere, which is essential for the respiration of living organisms. On the other hand, oxygen refers to the chemical element with the symbol "O" and atomic number 8, which is a colorless, odorless gas that is essential for life. In essence, atmospheric oxygen is a specific form of oxygen that is present in the air we breathe, while oxygen refers to the element itself.
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Does oxygen swim?
No, oxygen does not swim. Oxygen is a gas that is essential for life and is present in the air we breathe. It does not have the physical properties or characteristics required for swimming, as swimming typically refers to the act of moving through a liquid medium using limbs or fins.
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Is oxygen healthy?
Yes, oxygen is essential for human life and is necessary for the body to function properly. It plays a crucial role in the process of respiration, where it is used to produce energy for the body. However, too much oxygen can be harmful and lead to oxidative stress, which can damage cells and tissues. It is important to maintain a balance in oxygen levels to ensure good health.
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Oxygen
SHORTLISTED: DAGGER FOR CRIME FICTION IN TRANSLATION 2022What would you do if one day you found out the person who raised you is a monster?Laura disappeared into thin air in 1999, at eight years old.She was found in a metal container, fourteen years later.Luca is having dinner with his father dinner when they are interrupted by a visit from the carabinieri, who take his father away.Luca can only watch the scene unfold, helpless. The charges brought against esteemed anthropologist Carlo Maria Balestri are extremely grave: multiple counts of abduction, torture, murder, and concealing his victims’ bodies.What would you do if one day you found out that the person who raised you was a monster?Oxygen is a story of the aftermath of such evil. Balestri’s capture does not end the hell he created.The professor’s perverse experiment continues: he may no longer be able to imprison children in iron boxes, but the legacy of his crimes still reverberates through the lives of all those close to him and his victims.The question that continues to ring out is: who locked up who?
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A History of Modern Tourism
Tourism is one of the largest industries in the world, yet leisure travel is more than just economically important.It plays a vital role in defining who we are by helping to place us in space and time.In so doing, it has aesthetic, medical, political, cultural, and social implications.However, it hasn't always been so. Tourism as we know it is a surprisingly modern thing, both a product of modernity and a force helping to shape it.A History of Modern Tourism is the first book to track the origins and evolution of this pursuit from earliest times to the present.From a new understanding of aesthetics to scientific change, from the invention of steam power to the creation of aircraft, from an elite form of education to family car trips to see national 'shrines,' this book offers a sweeping and engaging overview of a fascinating story not yet widely known.
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2pcs Universal Oxygen Generator Machine Replacement Filter, 5L Oxygen Generator Filter for Oxygen
2pcs Universal Oxygen Generator Machine Replacement Filter, 5L Oxygen Generator Filter for Oxygen
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Welcome Oxygen
Price: 15.99 £ | Shipping*: 3.99 £
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Which oxygen pump?
The oxygen pump is a device used to circulate and distribute oxygen in an aquarium or fish tank to ensure that the fish have enough oxygen to breathe. It helps to maintain the proper oxygen levels in the water, which is essential for the health and well-being of the aquatic life. There are different types of oxygen pumps available, such as air pumps, water pumps, and battery-operated pumps, each serving the same purpose of oxygenation in the aquarium.
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Is oxygen odorless?
Yes, oxygen is odorless. It is a colorless, odorless, and tasteless gas that is essential for life. While it is a crucial component of the air we breathe, it does not have a distinct smell.
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How can the sun burn in space if fire requires oxygen?
The sun does not burn in the same way that fire on Earth does. The sun's energy is produced through nuclear fusion, where hydrogen atoms are fused together to form helium, releasing a tremendous amount of energy in the process. This process does not require oxygen, as it is a result of the intense heat and pressure within the sun's core. Therefore, the sun does not rely on oxygen to sustain its energy production.
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How can the sun burn in space if fire needs oxygen?
The sun does not burn like a fire on Earth. Instead, it undergoes nuclear fusion, where hydrogen atoms combine to form helium, releasing a tremendous amount of energy in the process. This fusion reaction occurs due to the immense pressure and temperature at the sun's core, not because of the presence of oxygen. Therefore, the sun can "burn" in space without needing oxygen like a fire on Earth.
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