نتایج جستجو برای: micron
تعداد نتایج: 16124 فیلتر نتایج به سال:
This paper reports a detection of the 30 micron emission feature from the C–rich Asymptotic Giant Branch (AGB) star IRAS 03313+6058 based on the ISO– SWS observation. Modeling of the spectral energy distribution shows that this emission starts at about 20 micron and possibly extends to the limit (45 micron) of the observation. By assuming MgS as the carrier, the number ratio of Sulfur atom in M...
A retrospective light microscopic study of 310 consecutive endoscopic gastric biopsy specimens was performed. Spiral bacteria were found in 42% of cases and, apart from occasional organisms in parietal cell canaliculi, were confined to the surface of the glands and epithelium. Electron microscopic study of selected cases showed the bacteria to be approximately 6 micron maximum length and 0.7 mi...
In microsurgical procedures, surgeons need to perform complex operations on extremely small anatomy. Vitreoretinal surgery is one such complex surgery, where several new promising techniques are being developed, which require extraordinary control at sub-mm scales. For these reasons, micron (robotic aid) was developed to help surgeons gain better positioning accuracy, with active tremor cancell...
Micron-wood-fiber molded products are new kinds of high strength man-made wooden products. They are innovative products among molded fiber products nowadays. This paper studied a new method to design their screw joints using optimal design. It has combined the optimal design with reliability design ingeniously. The CAD programming method was put forward, which can optimize the structural parame...
ZnCl2 over a very narrow concentration range was found to be mitogenic for hamster lymph node cells but not for thymocytes or splenocytes. Maximal leucine, [3H]uridine, and [3H]thymidine incorporation. Addition of 10 micron ZnCl2 was found to greatly enhance the stimulation observed with the B-lymphocyte mitogen lipopolysaccharide but not with dextran sulfate or the T-lymphocyte mitogen lipopol...
The study of wafer level hermetic bonding using sub-micron gold particles with the mean diameter of 0.3_m was conducted at bonding temperature of 150 – 300 °C with varying bonding pressure in the range of 50 – 100 MPa. 4.5 mm-square, 10 μm – 100 μm-wide seal line patterns of sub-micron Au particles were formed on Si or glass wafers by means of wafer level processing using photolithography and s...
PURPOSE To develop a stereological comparison between right (RV) and left ventricle (LV) myocardium during the third human gestational trimester. METHODS Five human fetal hearts of the third trimester provided representative samples of 5 RV myocardium and 4 LV myocardium. The material was fixed in 10% buffered formaldehyde, and processed through routine methods. Fifteen microscopic fields wer...
Beginning in July 1980, 149 voles (Microtus spp.) representing 9 species and 14 subspecies collected in Japan, Mexico and the United States were examined for coccidia; 67 (45%) had oocysts in their feces. These included 1 of 3 (33%) M. californicus sactidiegi; 0 of 1 M. longicaudus longicaudus; 0 of 1 M. l. macrurus; 48 of 111 (43%) M. mexicanus including 11 of 26 (42%) M. m. fulviventer, 1 of ...
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