Trust Among Strangers: Friendly Societies in Modern Britain, Ismay Penelope
Автор: Ismay Molly Название: Agricultural Soil: Classification, Ecology and Technology ISBN: 1632397919 ISBN-13(EAN): 9781632397911 Издательство: Random House (USA) Цена: 91960.00 T Наличие на складе: Есть у поставщика Поставка под заказ.
Автор: Brian Ismay Название: Semiconductor Laser Diode Technology and Applications ISBN: 1681176033 ISBN-13(EAN): 9781681176031 Издательство: Gazelle Book Services Рейтинг: Цена: 217350.00 T Наличие на складе: Невозможна поставка. Описание: "Lasers are the stuff of science fiction: big, heavy boxes that make blazing blasts of light. If youve ever seen an ordinary laser in a laboratory, youll know its quite a hefty beast: typically about as long as your forearm, fairly heavy, quite hot, and capable of producing a very intense beam of light. But if lasers are that big, how come we can use them in small things like portable CD players and handheld barcode scanners? These things use a very different kind of laser thats about the same size as (and works in a similar way to) an ordinary LED; known as semiconductor lasers or laser diode. A laser diode, or LD also known as injection laser diode or ILD, is an electrically pumped semiconductor laser in which the active laser medium is formed by a p-n junction of a semiconductor diode similar to that found in a light-emitting diode. The laser diode is the most common type of laser produced with a wide range of uses that include fiber optic communications, barcode readers, laser pointers, CD/DVD/Blu-ray Disc reading and recording, laser printing, laser scanning and increasingly directional lighting sources. Semiconductor Laser Diode Technology and Applications signifies the latest developments in the rapidly developing world of semiconductor laser diode technology and applications. Semiconductor lasers or laser diodes play an important part in our everyday lives by providing cheap and compact-size lasers. They consist of complex multi-layer structures requiring nanometer scale accuracy and an elaborate design. Their theoretical description is important not only from a fundamental point of view, but also in order to generate new and improved designs. This book will be of considerable interest to engineers, scientists, technologists and physicists working in research and development in the field of semiconductor laser diode, as well as to young researchers who are at the beginning of their career."
Автор: Brian Ismay Название: Optical Fiber New Developments ISBN: 1681175983 ISBN-13(EAN): 9781681175980 Издательство: Gazelle Book Services Рейтинг: Цена: 230210.00 T Наличие на складе: Невозможна поставка. Описание: The optical fibre technology extensively benefits applications dealing with lighting, sensing and communication systems. Many enhancements have been made in the past years to reduce the fibre attenuation and to improve the fibre performance. These days, new applications have been developed over the scientific community. After several decades of commercial use, new optical fiber types are in development to improve some aspect of communications. Improvements in fiber have come in the forms of providing higher bandwidth, supporting longer distances or in conjunction with the optoelectronic devices at both ends -- reducing the overall cost of transport. One such development in the LAN fiber world is the development of wide band multimode fiber (WBMMF). This new fiber type expands the range of usable wavelengths from one to several, and enables the use of shortwave wavelength-division multiplexing in the range from 850 to 950 nanometers. Optical Fiber New Developments is a compilation of works presenting recent advances and progress in optical fiber technology related to the next generation optical communication, system and network, sensor, laser, measurement, characterisation and devices. Innovations in optical fiber technology are revolutionising world communications. Newly developed fibre amplifiers allow for direct transmission of highspeed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-todate reviews. This book should be of immense valuable tool for researchers and practitioners working in academic institutions as well as industries.
Автор: Brian Ismay Название: Optical Devices in Communication and Computation ISBN: 1681175975 ISBN-13(EAN): 9781681175973 Издательство: Gazelle Book Services Рейтинг: Цена: 217350.00 T Наличие на складе: Невозможна поставка. Описание: "Optical devices in communication and computation have a significant impact on our daily life, although we may not even be aware of their existence, as in case of inter-continent fiber cables that connect people world-wide, making it a global community. Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of light through an optical fiber. The light forms an electromagnetic carrier wave that is modulated to carry information. First developed in the 1970s, fiber-optics have revolutionized the telecommunications industry and have played a major role in the advent of the Information Age. Because of its advantages over electrical transmission, optical fibers have largely replaced copper wire communications in core networks in the developed world. Optical Devices in Communication and Computation emphasizes on recent developments of theoretical analysis, designs of novel nano-photonic structures and functional materials for optical instrumentation. Everywhere on this planet hair-thin optical fibers carry vast quantities of information from place to place. There are many desirable properties of optical fibers for carrying this information. They have enormous information-carrying capacity, are low cost, and possess immunity from the many disturbances that can afflict electrical wires and wireless communication links. The superiority of optical fibers for carrying information from place to place is leading to their rapidly replacing older technologies. Optical fibers have played a key role in making possible the extraordinary growth in world-wide communications that has occurred in the last 25 years, and are vital in enabling the proliferating use of the Internet."
Автор: Brian Ismay Название: Optical Communications Systems ISBN: 1681175967 ISBN-13(EAN): 9781681175966 Издательство: Gazelle Book Services Рейтинг: Цена: 230210.00 T Наличие на складе: Невозможна поставка. Описание: "Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information. It can be performed visually or by using electronic devices. Optical communications systems are very important for all types of telecommunications and networks. They consist of a transmitter that encodes a message into an optical signal, a channel that carries the signal to its destination, and a receiver that reproduces the message from the received optical signal. Indeed, the worldwide telephone network, the worlds largest communications system, is fiber optic-based. Further, optics is finding progressively more communications applications by the day, not to speak of the numerous sensing applications that are presently being implemented. In some areas, optics is being implemented somewhat more slowly than originally predicted. This is in great part due to cost. In the telephone network, hardware cost was really not an issue compared to a myriad of other costs such as right of way and cable installation, and the initial implementations were carried rapidly rather than costeffectively. The telecommunications solutions, which were the first to be carried out, could therefore not be taken over directly into other applications. Now, though, the telecommunications market is competitive as are the data communications market and others, and various new cost-effective solutions are appearing. There are numerous applications where optics is competing. Optical Communications Systems cover general concepts of optical and wireless optical communication systems, optical amplifiers and networks, optical multiplexing and demultiplexing for optical communication systems, and network traffic engineering. This book is intended to research, development and design engineers from the teams in manufacturing industry; academia and telecommunications service operators/ providers."
The Ismay Line charts the rise and fall of one of the most eminent British shipping companies - and tells the story of the family behind it. The founder of the White Star Line, T H Ismay, pioneered a revolutionary design of iron steamships, built for him by Harland & Wolff of Belfast. By the time of his death in 1899 he had become the most successful steamship owner in the world. He was succeeded by his son, Bruce Ismay, who in April 1912 was aboard his latest ship, Titanic, when it collided with an iceberg on its maiden voyage. Ismay survived by boarding the last lifeboat to leave the starboard side of the sinking liner: and thus began one of the greatest witch-hunts of modern times. The Ismay Line draws on many previously unpublished family diaries and correspondence and offers a robust defence of Bruce Ismay's conduct. Originally published in 1961, the book has been out of print for many years and is now a sought-after collector's item.
Автор: Ismay General Lord Название: The Memoirs of General Lord Ismay ISBN: 1163817767 ISBN-13(EAN): 9781163817766 Издательство: Неизвестно Цена: 51430.00 T Наличие на складе: Есть у поставщика Поставка под заказ.
Автор: Ismay Molly Название: A Comprehensive Study of Ecosystems ISBN: 1682866149 ISBN-13(EAN): 9781682866146 Издательство: Неизвестно Цена: 161990.00 T Наличие на складе: Есть у поставщика Поставка под заказ.
Автор: Ismay Molly Название: Environmental Science and Ecology ISBN: 1632399946 ISBN-13(EAN): 9781632399946 Издательство: Random House (USA) Цена: 90730.00 T Наличие на складе: Есть у поставщика Поставка под заказ.
Автор: Ismay Molly Название: Principles of Ecosystem Science ISBN: 1682866181 ISBN-13(EAN): 9781682866184 Издательство: Неизвестно Цена: 166290.00 T Наличие на складе: Есть у поставщика Поставка под заказ.
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