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81.
Airglow observation by Fabry-Perot interferometer 总被引:2,自引:0,他引:2
Ai Yong Mamoru Ishii Minoru Kubota Shoichi Okano Zhang Xunjie Lu Shu 《武汉大学学报:自然科学英文版》1998,3(2):175-180
An all-sky and a scanning Fabry-Perot interferometers (FPI) have been developed for observations of vertical winds and two-dimensional
atmospheric motions in the low-thermosphere and the mesosphere region by the measurement of Doppler shift and broadening of
airglow emission lines. The system of FPI is described and the method of data analysis is proposed, an example of observation
is also given.
Ai Yong: born in 1958, Ph.D graduate student 相似文献
82.
Positional identification of TNFSF4, encoding OX40 ligand, as a gene that influences atherosclerosis susceptibility 总被引:25,自引:0,他引:25
Wang X Ria M Kelmenson PM Eriksson P Higgins DC Samnegård A Petros C Rollins J Bennet AM Wiman B de Faire U Wennberg C Olsson PG Ishii N Sugamura K Hamsten A Forsman-Semb K Lagercrantz J Paigen B 《Nature genetics》2005,37(4):365-372
Ath1 is a quantitative trait locus on mouse chromosome 1 that renders C57BL/6 mice susceptible and C3H/He mice resistant to diet-induced atherosclerosis. The quantitative trait locus region encompasses 11 known genes, including Tnfsf4 (also called Ox40l or Cd134l), which encodes OX40 ligand. Here we report that mice with targeted mutations of Tnfsf4 had significantly (P 相似文献
83.
Ota T Suzuki Y Nishikawa T Otsuki T Sugiyama T Irie R Wakamatsu A Hayashi K Sato H Nagai K Kimura K Makita H Sekine M Obayashi M Nishi T Shibahara T Tanaka T Ishii S Yamamoto J Saito K Kawai Y Isono Y Nakamura Y Nagahari K Murakami K Yasuda T Iwayanagi T Wagatsuma M Shiratori A Sudo H Hosoiri T Kaku Y Kodaira H Kondo H Sugawara M Takahashi M Kanda K Yokoi T Furuya T Kikkawa E Omura Y Abe K Kamihara K Katsuta N Sato K Tanikawa M Yamazaki M Ninomiya K Ishibashi T Yamashita H Murakawa K Fujimori K 《Nature genetics》2004,36(1):40-45
84.
The formation process for stars with masses several times that of the Sun is still unclear. The two main theories are mergers of several low-mass young stellar objects, which requires a high stellar density, or mass accretion from circumstellar disks in the same way as low-mass stars are formed, accompanied by outflows during the process of gravitational infall. Although a number of disks have been discovered around low- and intermediate-mass young stellar objects, the presence of disks around massive young stellar objects is still uncertain and the mass of the disk system detected around one such object, M17, is disputed. Here we report near-infrared imaging polarimetry that reveals an outflow/disk system around the Becklin-Neugebauer protostellar object, which has a mass of at least seven solar masses (M(o)). This strongly supports the theory that stars with masses of at least 7M(o) form in the same way as lower mass stars. 相似文献
85.
1 Results It is generally known that CuO2 planes of layered cuprate superconductors play a major role on the variation of critical temperature,Tc.In order to investigate their microscopic and electronic properties,preparation of such materials in single crystal form with highly structure orientation is very important.Crystal growth techniques for copper oxide materials have greatly improved since the discovery of high Tc superconductor materials[1].However,a strong reaction between CuO flux and crucible material has been a serious problem in crystal growth by using crucible,especially in a self-flux slow cooling method that needs long time.It is important to avoid the contamination from crucible material and also the ‘creeping out' problem of CuO flux during long time and high sintering temperature.In this study,we attempted to grew the GdBaSrCu3O7-δ single crystals via self-flux slow cooling technique.They were grown from CuO-rich nonstoichiometric solutions as similar as the YBCO case with approximately cation and powder ratio used as reported before[2-3]. 相似文献