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Posted: February 10th, 2009, 9:38pm CET by nazya
R., B. Simpson, “Rubber Basics”
Smithers Rapra Technology | 2002-02-02 | ISBN: 185957307X | 212 pages | PDF | 1,7 MB
The Rubber Basics book comprises a glossary of terms used in the rubber industry, a detailed description of the common rubber materials, a section on rubber additives, and an outline of the equipment types used in rubber processing.
The book aims to be a useful desktop reference book for anyone in the rubber industry. It provides a quick means of obtaining information about key subjects. It is simple enough to be understood by someone with a basic knowledge of the industry, but comprehensive enough to provide additional information for experienced workers moving into new areas.
Many abbreviations are found in the industry and the glossary contains a good number of entries defining these. Terms relating to many aspects of the industry are included from materials, additives, physical test methods and machinery types to analytical test equipment. Examples include Adiabatic, Conductive Rubber, Dolly, Mooney Scorch Test, Rubbone and Whiting.
A useful short section lists the specific gravities of common rubbers and compounding ingredients, an important factor in material selection.
The section on rubbers is derived from the Rapra material selection programme known as Rubacams. It includes basic chemical structures for each rubber type together with information about material properties and uses. The material types covered range from natural rubber through polysulphide rubbers to thermoplastic elastomers.
Rubber compounding ingredients are listed and discussed from accelerators to waxes. The role of each ingredient in rubber compounding is described, together with general comments on usefulness and some of the issues involved. For example, titanium dioxide is generally used as a whitening agent but is also a useful reinforcing agent, the limiting factor being cost.
Rubber processing involves a wide variety of equipment from bale heaters to tyre retreading and testing machinery. This section describes each type in turn and its uses. Thus moulding, extrusion, hose braiding and dipping are all covered in this section.
Key features…
* Glossary of rubber terms
* Specific gravities of rubbers and compounding ingredients
* Descriptive sections on:
- Rubbers
- Rubber compounding ingredients
- Rubber processing equipment
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Posted: February 10th, 2009, 9:36pm CET by nazya
Circuits and Applications Using Silicon Heterostructure Devices
Publisher: CRC | Pages: 360 | 2007-12-13 | ISBN 1420066943 | PDF | 8 MB
No matter how you slice it, semiconductor devices power the communications revolution. Skeptical? Imagine for a moment that you could flip a switch and instantly remove all the integrated circuits from planet Earth. A moments reflection would convince you that there is not a single field of human endeavor that would not come to a grinding halt, be it commerce, agriculture, education, medicine, or entertainment. Life, as we have come to expect it, would simply cease to exist.
Drawn from the comprehensive and well-reviewed Silicon Heterostructure Handbook, this volume covers SiGe circuit applications in the real world. Edited by John D. Cressler, with contributions from leading experts in the field, this book presents a broad overview of the merits of SiGe for emerging communications systems. Coverage spans new techniques for improved LNA design, RF to millimeter-wave IC design, SiGe MMICs, SiGe Millimeter-Wave ICs, and wireless building blocks using SiGe HBTs. The book provides a glimpse into the future, as envisioned by industry leaders.
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Posted: February 10th, 2009, 9:35pm CET by nazya
Alexander L Rusanov, Marc JM Abadie, “Practical Guide to Polyimides”
Smithers Rapra Press | 2007-08-13 | ISBN: 1847350585 | 88 pages | PDF | 1 MB
Polyimides are very durable, easy to machine and have exceptional heat and chemical resistance. They are also highly insulative and do not contaminate their surroundings. Their strength and heat and chemical resistance are so great that they are often used to replace glass and metals, such as steel, in many demanding industrial applications. Polyimides are even used in many everyday applications. They are used in cars both externally and internally because they can withstand the intense heat and the corrosive lubricants, fuels, and coolants found in cars.
They are also used in the construction of many appliances as well as microwave cookware and food packaging because of their thermal stability, resistance to oils, greases, and fats and their transparency to microwave radiation. They can also be used in circuit boards, insulation, fibres for protective clothing, composites, and adhesives. This report covers the synthesis of polyimides from chloral and trinitrotoluene and reviews the production of new types of polyimides combining good thermal, mechanical and electrical properties with improved processability. It is ideal for those who work with polyimides, either producing them or those using them to manufacture other goods. It will be of interest to those in both academia and industry.
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Posted: February 10th, 2009, 9:34pm CET by nazya
Commercial Aviation Safety
Publisher: McGraw-Hill | Pages: 436 | 2001-04-19 | ISBN 0071374108 | PDF | 2 MB
Rapidly increasing air traffic around the globe, soaring numbers of passengers, security concerns on the ground and in the air, changes in the Air Traffic System, new maintenance and flight technologies, recent accidents, and intensified media focus–all point up the need for greater attention to commercial aviation safety in the third millennium. Built upon the 5-M model–Man, Machine, Medium, Mission, and Management–this text by aviation author Alexander T.
Wells integrates the latest research on human factors, technologies, systems, operations, and management strategies into the most comprehensive, up-to-date, and systematic reference on commercial aviation safety in the world.
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Posted: February 10th, 2009, 9:32pm CET by nazya
Cambridge Illustrated Handbook of Optoelectronics and Photonics
Publisher: Cambridge University | Pages: 650 | 2009-05-31 | ISBN 0521815967 PDF | 3 MB
From fundamental concepts to cutting-edge applications, this is the first encyclopaedic reference of important terms and effects in optoelectronics and photonics. It contains broad coverage of terms and concepts from materials to optical devices and communications systems. Self-contained descriptions of common tools and phenomena are provided for undergraduate and graduate students, scientists, engineers and technicians in industry and laboratories.
The book strikes a balance between materials and devices related coverage and systems level terms, and captures key nomenclature used in the field. Equations are used where necessary, and lengthy derivations are avoided. Over 600 clear and self-explanatory illustrations are used to help convey key concepts, and enable readers to quickly grasp important concepts.
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Posted: February 10th, 2009, 9:31pm CET by nazya
John Iovine, “Robots, Androids and Animatrons, 2Ed: 12 Incredible Projects You Can Build”
McGraw-Hill/TAB Electronics | 2001-10-29 | ISBN: 0071376836 | 270 pages | PDF | 3,2 MB
Bring a robot to life without programming or assembly language skills!
There’s never been a better time to explore the world of the nearly human.
With the complete directions supplied by popular electronics author John Iovine, you can:
• Build your first walking, talking, sensing, thinking robot
• Create 12 working robotic projects, using the fully illustrated instructions provided
• Get the best available introduction to robotics, motion control, sensors, and neural intelligence
• Put together basic modules to build sophisticated ‘bots of your own design
• Construct a robotic arm that responds to your spoken commands
• Build a realistic, functional robotic hand
• Apply sensors to detect bumps, walls, inclines , and roads
• Give your robot expertise and neural intelligence
You geteverything you need to create 12 exciting robotic projects using off-the-shelf products and workshop-built devices, including a complete parts list. Also ideal for anyone interested in electronic and motion control, this cult classic gives you the building blocks you need to go practically anywhere in robotics.
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Posted: February 10th, 2009, 9:29pm CET by nazya
Lead-Free Electronic Solders: A Special Issue of the Journal of Materials Science
Publisher: Springer | Pages: 384 | 2007-04-30 | ISBN 0387484310 | PDF | 12 MB
In the last few decades the effect of lead contamination on human health has received significant attention. Based on such concerns, elimination of lead from ceramic glaze, paint, plumbing etc. has been legislated and implemented. However, until recently, solders used in electronics, based on suitability and knowledge-base developed over a long period of time, remained lead-based.
Successive rapid advances in microelectronic devices in recent decades make them obsolete within a very short period after their introduction resulting in significant quantities of electronic wastes in landfills. Leaching of toxic lead from such electronic wastes can result in contamination of the human food chain causing serious health hazards. As a consequence, several European and Pacific Rim countries have passed legislations warranting elimination of lead from electronic solders by fast approaching deadlines. Global economic pressures brought on by such legislations have resulted in a flurry of research activities to find suitable lead-free substitutes for the traditional leaded electronic solders.
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Posted: February 10th, 2009, 9:28pm CET by nazya
Colin Crawford, «Inside the UDA: Volunteers and Violence»
Pluto Press | ISBN: 0745321062 | 2003-10-03 | PDF | 248 pages | 1.09 MB
This is a must read for anyone who wants to know the truth from a working class protestant point of view! The British and Irish media would have the world think that Loyalist are just drug dealers and indiscriminate killers. How untrue, these people “took out” members of the IRA/Sinn Fein and in the end forced the IRA to take notice and sit down and talk in the (non armed) political arena. Maybe some day the world will realise that these people could only take so much before they had to retaliate.
Just as America did after 9/11. Please read and try to understand from the other side!
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