Ionic compounds can conduct an electric current when melted or dissolved in water. 7.3-Bonding in Metals The valence electrons of metal atoms can be modeled as a sea of electrons. Metal atoms are arranged in very compact and orderly patterns. Alloys are important because their properties are often superior to those of their component elements. 8.1-Molecular Compounds Molecular compounds tend to have relatively lower melting and boiling points than ionic compounds. A molecular formula shows
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Inventions of the 20th century Light Switch Tired of using old your old push-button light switch? As of 1916 William J. Newton and Morris Goldberg have come out with a new and improved patented light switch. Instead of pushing a button‚ all you have to do is either flick it up or down‚ and you’re light will automatically turn on. It’s now safer than the old push-button because it won’t control the whole mechanism directly‚ but instead through a series of springs and levers. Get your own revamped
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phosphorous‚ Cobalt alloy‚ carbon coating +ve points & cost are high Read / Write heads • • • • • • • Ferrite heads MIG heads TF heads MR/AMR heads GMR heads CMR heads TMR heads Ferrite heads 9 For Winchester disks 9 Made of iron oxide core wrapped with electro magnetic coils 9 It is a u shaped iron core wrapped with electrical windings 9 They are not so small in size 9 Used in hard disk up to 50 MB Metal –In- Gap head 9 Same design as ferrite heads 9 Added a special metallic alloy on the head
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THE SUZUKI HAYABUSA 2015 INTRODUCTION There is always a question comes in everybody minds that‚ which is the fastest bike in the world? The answer lies in this article for those persons. Suzuki Hayabusa is likely to be the fastest bike made by Suzuki Company and even no company has managed to manufacture such a fast bike. Its parts and technology are regularly upgraded to give best performance. The main feature of the 2015 Suzuki is its fresh Monoblock Brembo brake installed on the front wheel
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AN INDUSTRIAL TRAINING REPORT At Steel Cast Ltd. Ruvapari Road‚ Bhavnagar‚ Gujrat‚ India-364 005 AN INDUSTRIAL TRAINING REPORT At Steel Cast Ltd. Ruvapari Road‚ Bhavnagar‚ Gujrat‚ India-364 005 By Jasoliya Darshan Sureshbhai Enrolment No: - 100210119028 Submitted to Government Engineering College Bhavnagar Certificate I hereby certify that I have completed the 10th days training in partial fulfilment of the requirement for the award of Bachelor of Engineering in Mechanical
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M16 weighs about 6 pounds‚roughly 39 inches long. It can roughly shoot about 650-750 rounds per minute. With a sight that extends to 500m the most effective shot at the farthest distance would be around 460m. The M16 is made from 7075 T6 aluminum alloy‚ and the barrel is made from 4051 Chrome-moly steel. The M16 There are 4 different model types of the M16; M16‚ M16A1‚ M16A2‚ and the M16A3. The difference of these guns are very minimal‚ with the big differences being only cosmetic. Many different
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and alloyed with rhodium‚ is an almost indispensable material for such devices as magneto contacts‚ spark plug electrodes‚ radar parts‚ bomb sights‚ and computing devices. In the chemical industries‚ platinum and its alloys are also essential as catalysts and for other uses. Platinum is much more expensive than gold because of its rarity and extensive usage. Platinum is different from white gold because the latter is gold mixed with nickel
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Lanthanides and Actinides The lanthanides and the actinides make up the f block of the periodic table. The lanthanides are the elements produced as the 4f sub level is filled with electrons and the actinides are formed while filling the 5f sub level Some significant similarities and differences between lanthanides and actinides are observed. The two rows that are generally placed underneath the main periodic table are called the lanthanides series and the actinides series. These two rows are produced
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gradient. The natural circulation flow rate depends on the loop resistance and the temperature difference between the hot leg and the cold leg‚ as determined by the power level and the heat sink capacity. Lead- Bismuth Eutectic (LBE) is a eutectic alloy of lead (44.5%) and bismuth (55.5%) [5]. LBE exhibits low melting point and high boiling point‚ enables us to operate the system in low pressure. LBE do not react with air or water‚ in contrast to sodium and NaK which ignite spontaneously in air and
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Esophageal benign stricture is the pathological stricture caused by any disease in esophageal antrum. In addition‚ the external pressure of the mucosal ring and the mediastinal tissue can also cause esophageal stricture. Benign stricture of the esophagus (BSE) can severely reduce quality of life and cause major complications such as aspiration‚ weight loss and malnutrition [1]. Esophageal stent implantation has been widely used in clinical practice‚ and this surgical method effectively alleviates
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