Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Ru Liang Liu"'
Publikováno v:
Journal of Integrative Agriculture, Vol 15, Iss 1, Pp 220-231 (2016)
The excessive nitrogen (N) fertilizer input coupled with flood irrigation might result in higher N leaching and lower nitrogen recovery efficiency (NRE). Under an intensive rice system in the Ningxia irrigation region, China, environmental friendly N
Externí odkaz:
https://doaj.org/article/bdf3f2705bf74018b7aa51970fbc41ef
Autor:
Zi Pei Wan, Lei Qin, Qi Di Wang, Hong Li, Yu Lei, Wei Yang, Wei Yu, Fei Yu Kang, Dengyun Zhai, Ru Liang Liu, Bao Hua Li
Publikováno v:
Chinese Physics B. 27:068201
Hybrid liquid/solid electrolytes (HLSEs) consisting of conventional organic liquid electrolyte (LE), polyacrylonitrile (PAN), and ceramic lithium ion conductor Li1.5Al0.5Ge1.5(PO4)3 (LAGP) are proposed and investigated. The HLSE has a high ionic cond
Publikováno v:
Ying yong sheng tai xue bao = The journal of applied ecology. 26(1)
Agricultural soil has become the largest anthropogenic source of atmospheric nitrous oxide (N20). To estimate the impacts of long-term combined application of organic and inorganic fertilizers on N20 emission in a typical winter wheat-oil sunflower c
Autor:
Ru-Liang, Liu, You-Hong, Li, Ai-Ping, Zhang, Fang, Wang, Tian-Cheng, Zhao, Chen, Chen, Yu, Hong, Zheng-Li, Yang
Publikováno v:
Ying yong sheng tai xue bao = The journal of applied ecology. 23(7)
By using seeding-box total fertilization technology, a two-year field plot experiment was conducted to study the effects of applying medium rate of controlled-release urea fertilizer (MN, 80 kg N x hm(-2)), high rate of controlled-release urea fertil
Publikováno v:
Chinese Astronomy and Astrophysics. 11:94-99
A statistical analysis of 87 optical selected quasars and 30 type I Seyfert galaxies is carried out in this paper. Using a quasi-Monte-Carlo method, the relation between the 2 keV monochromatic X-ray luminosity 1X and ∼2500A monochromatic ultraviol
Autor:
Ru-liang Liu, Zong-yun Li
Publikováno v:
Chinese Astronomy and Astrophysics. 5:205-211
We have collected data on 241 galaxies from 13 sources and made a statistical analysis after reduction to a uniform system. We found that the Hubble sequence is one of increasing 〈 M H M T 〉 and 〈 M H L B 〉 , these mean values increasing mono
Autor:
Ru-liang Liu
Publikováno v:
Chinese Astronomy and Astrophysics. 12:205-211
A statistical analysis is made of the X-ray time variability Δtx and luminosity Lx of 28 quasars and Seyfert galaxies. Under the assumption of thick accretion disk, the range of variation of the ratio between the total luminosity Lt and Eddington lu
Autor:
Ru-liang Liu
Publikováno v:
Chinese Astronomy and Astrophysics. 7:195-200
The nuclear mass M , bolometric luminosity L bol , and the Eddington luminosity L Edd are determined for fifty Type-I Seyfert galaxies from data on the luminosity and line-width of nuclear Balmer line H β , assuming a mass accretion flow model. It i
Publikováno v:
Chinese Astronomy and Astrophysics. 7:309-314
A statistical analysis of the X-ray properties of 247 quasars observed by the Einstein Observatory in the 0.5–4.5 kev band is made. The main results are as follows. Among the various magnitude and redshift groups of 1619 known quasars, the proporti
Publikováno v:
Chinese Astronomy and Astrophysics. 7:224-231
In this paper, a statistical study is made of the evolution of X-ray radiation of 273 objects (235 quasars and 38 type I Seyferts) in the 0.5–4.5 keV band observed from the Einstein Observatory. On the L x − z plot of these 273 objects, there see