نتایج جستجو برای: controlled sealing
تعداد نتایج: 388897 فیلتر نتایج به سال:
BACKGROUND During embryonic development, epithelia with free edges must join together to create continuous tissues that seal the interior of the organism from the outside environment; failure of epithelial sealing underlies several common human birth defects. Sealing of epithelial sheets in embryos can be extremely rapid, dramatically exceeding the rate of adherens junction formation by epithel...
Newly available materials for retrograde obturation should have their sealing properties evaluated. The goal of this study was to evaluate the sealing ability of Endo CPM sealer, an MTA-based endodontic cement. Single-rooted extracted human teeth were endodontically treated. After apical sectioning, retrograde cavities were prepared. Teeth were divided into five experimental groups (n=12), in w...
Sealing treatment is a post-surface of the plasma spray coating process to improve corrosion resistance material. In this study, effect sealing on and adhesive strength spray-coated alumina coatings was analyzed. For sealing, an epoxy resin applied surface coated specimen using brush. The subjected salt test for up 48 hours microstructural analysis revealed that in layer/base material interface...
Because current remote monitor systems can’t deal with problems of real-time transmissions in the bad condition of network very well, this article presents a study which is combined with the evaluation of video streams, adjustment and sealing user-defined data pockets and discarding useless data pockets. The goal of this solution is to transmit video information of national grain depot. And its...
In 2003, Bechmann-Pasquinucci introduced the concept of quantum seals, a quantum analogue to wax seals used to close letters and envelopes. Since then, some improvements on the method have been found. We first review the current quantum sealing techniques, then introduce and discuss potential applications of quantum message sealing, and conclude with some discussion of the limitations of quantu...
Multilayer polymer films continue to be used in food packaging high-speed lines; this research focuses on obtaining better film adhesion under controlled sealing conditions. The present work aims describe the presence of temperature gradients body jaw, dwell time gradients, and surface pressure experimenting with a process. samples’ was measured using peeling test, graphs tests were analyzed ob...
Although many hydrologic changes induced by teleseismic waves have been reported, the mechanism(s) responsible for the changes are usually not known. Permeability changes induced by seismic strains are often invoked to explain changes in water level. Using water-level data in Taiwan after the 2008 Wenchuan earthquake, we show here that the observations cannot be properly explained by previously...
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