排序方式: 共有27条查询结果,搜索用时 15 毫秒
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Santos MG Balbi A Borrill J Ferreira PG Hanany S Jaffe AH Lee AT Magueijo J Rabii B Richards PL Smoot GF Stompor R Winant CD Wu JH 《Physical review letters》2002,88(24):241302
We use the measurement of the cosmic microwave background taken during the MAXIMA-1 flight to estimate the bispectrum of cosmological perturbations. We propose an estimator for the bispectrum that is appropriate in the flat sky approximation, apply it to the MAXIMA-1 data, and evaluate errors using bootstrap methods. We compare the estimated value with what would be expected if the sky signal were Gaussian and find that it is indeed consistent, with a chi(2) per degree of freedom of approximately unity. This measurement places constraints on models of inflation. 相似文献
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Recirculating flow accelerates DNA microarray hybridization in a microfluidic device 总被引:1,自引:0,他引:1
A recirculating microfluidic device fabricated by laminating Mylar and glass was developed for the analysis of hybridization of oligonucleotides to DNA microarrays. The device is part of a system that provides controlled hybridization to DNA probes immobilized in a microarray of polyacrylamide gel pads using recirculation and temperature control. The system was used to obtain real-time kinetics of DNA hybridization and more accurate melting profiles of target-probe duplexes than possible using a static hybridization format. Recirculation shortened the time of perfect match target-probe hybridization from 6 hours to 2 hours and shifted the Td by 1.54 degrees C, relative to static conditions. The experimental results were consistent with a three-dimensional simulation of hybridization using a recirculating buffer system. 相似文献
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W. S. Allen H. B. Bishop M. Smoot und L. Shumacher 《Fresenius' Journal of Analytical Chemistry》1913,52(7-8):481-484
Ohne Zusammenfassung 相似文献
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A. M. Smoot 《Fresenius' Journal of Analytical Chemistry》1920,59(4):176-177
Ohne Zusammenfassung 相似文献
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A. R. Powell Angenot L. Le Naour Bertiaux A. M. Smoot 《Analytical and bioanalytical chemistry》1921,60(5-6):190-195
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The temperature anisotropy of the cosmic microwave background may be partially the imprint left by gravitational waves. Measuring the gravitational wave component and spectral shape of the anisotropy is a critical test of inflationary cosmology and theories of large-scale structure formation.This essay received the first award from the Gravity Research Foundation, 1993-Ed. 相似文献