Receding gums (or gingival recession, or gum recession) is called the condition when the gum tissue surrounding the teeth is lost or pulled away, exposing the roots of …
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2013-5-2 · I had a chance to check out an 80 watt Powertech solar panel that a friend has just bought, and thought a few might be interested in a few photos.
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API 5L STEEL PIPES Line Pipes API5L PSL1 PSL2 Pipeline, Find Details about API 5L STEEL PIPES Line Pipes API5L PSL1 PSL2 Pipeline from API 5L ...
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The synthesis of long and thin Ag nanowires is important to achieve high performance transparent conductive films. We report a one-step route to synthesizing Ag ...