were numbers and . both of these elements had been predicted by mendeleev, who had named them ekamanganese and dwimanganese respectively, but despite many attempts and declarations of discovery later deemed false, both elements remained elusive until . in that year, the team of walter noddack and ida...
phase i in weeks or less start with a partner that can accelerate your bioavailabilty-challenged molecule to phase i, and on to commercialization lonza's integrated first-in-human services for bioavailability-challenged molecules. with the pharmaceutical industry's focus on accelerating all aspects of...
switched to fiat currency systems. despite the fall of gold from an official monetary function, it is still widely viewed as valuable and used as an investment metal or means of storage of wealth, with many hoarding it as a hedge against inflation, and gold also remains a common metal used in fine jewelry...
hrees due to their relative ease of processing, despite the low percentage quantities of rare earths they contain. in any source of rare earths, thulium will make up an extremely small percentage of the total rare earth content, as it is one of the rarest of the rare earth elements. products compounds...
praseodymium and neodymium . praseodymium salts are yellow-green in solution, leading to the naming of the compound from the greek word prasinos, meaning green, and the previously chosen root didymos, meaning twin. like many of the rare earth elements , praseodymium is used primarily in small amounts...
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available, was in most cases the equal of the later magnum, which works at more than double the pressure of standard special. the magnum addresses the safety issues which earlier cartridges had by lengthening the cartridge by approximately ⁄ inch ( mm), preventing the high-pressure cartridge from chambering...
. the vast majority of neodymium's commercial use isin production of these high-strength magnets. in most other applications of neodymium, it is added in small amounts to alter the properties of a host material. neodymium oxide is used as a colorant to produce glass that varies in shade depending on...
glassmaking, selenium salts are added in small amounts because the red tone cancels out the green tinge lent by iron impurities. selenium is a component of metal alloys , where it improves machinability of the final material and often replaces the more toxic metal lead . though excessive quantities of...
earth transform into the most magnificent of multi-course feasts. by carly defilippo beyond the grand historic columns of rome, the romantic waterways of venice and winding cliff highways of the amalfi coast lies a stretch of italy where siestas are still respected, the smoke of charred almond shells...