نتایج جستجو برای: self seeding
تعداد نتایج: 534706 فیلتر نتایج به سال:
Time-delayed, narrow-band echoes generated by forward Bragg diffraction of an X-ray pulse by a perfect thin crystal are exploited for self-seeding at hard X-ray free-electron lasers. Theoretical predictions indicate that the retardation is strictly correlated to a transverse displacement of the echo pulses. This article reports the first experimental observation of the displaced echoes. The dis...
Initial population 75000 people Individuals uniformly weighted to represent full S.A. population. Number of burn-in days 7300 days Days from 1960 to infection seeding in 1980. Duration of simulation 32850 days Days from 1960 to end in 2050. Initial prevalence fraction 5 percent Seeding prevalence, high for 1980 but gives good 2010 results. Circumcision probability 42 percent Nationally, 42% of ...
A self-seeding microwell chip is introduced for the isolation and interrogation of single cells. A cell suspension is transferred to a microwell chip containing 6400 microwells, each microwell with a single 5 μm pore in the bottom. The fluid enters the microwell and drags a cell onto the pore. After a cell has landed onto the pore, it will stop the fluid flow through this microwell. The remaini...
Metastasis, the life threatening aspect of cancer, is a systemic disease process. Considerable progress has been made in recent years regarding how tumor cells circulating in the blood and lymphatic systems interact with and extravasate into secondary sites, and what determines whether these disseminated tumors cells survive, remain dormant or go on to form macrometastases. New insights into th...
The measurement of ζ potential of Ga-face and N-face gallium nitride has been carried out as a function of pH. Both of the faces show negative ζ potential in the pH range 5.5−9. The Ga-face has an isoelectric point at pH 5.5. The Nface shows a more negative ζ potential due to larger concentration of adsorbed oxygen. The ζ potential data clearly showed that H-terminated diamond seed solution at ...
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