Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Ren-Jian Zhang"'
Publikováno v:
Terrestrial, Atmospheric and Oceanic Sciences, Vol 22, Iss 3, p 315 (2011)
We analyzed the variability of blowing dust weather frequency (BDWF) and patterns in climatic factors over Baicheng for the period 1951 - 2006 in this study. The data showed that blowing dust over Baicheng occurs intensively during the spring and sho
Externí odkaz:
https://doaj.org/article/0498e8a0fcde4615b5a4b6dbbacd5073
Publikováno v:
In Journal of Fluorine Chemistry 2001 111(2):193-199
Publikováno v:
Advanced Materials Research. :2712-2717
Finite element analysis and fuzzy multi-objective optimization technique have been integrated to solve the die structure design of sheet metal forming by transforming fuzzy multi-objective problem into a normal optimization problem. A mathematical mo
Autor:
Jia Xi Guo, Man Jiang, Ren Jian Zhang, Yu Ping Zhang, Yixuan Zhou, Bao Le Lu, Zhaoyu Ren, Jintao Bai
Publikováno v:
Materials Science Forum. 694:700-703
A graphene-PVA film is fabricated by using polyvinyl alcohol(PVA), which provides excellent mechanical property and easy operation. Based on the numerous advantages of graphene in optical and mechanical characteristics,Graphene was used as absorber w
Autor:
Jun Nishimura, Nan Sen Wang, Ren Jian Zhang, He Sen Tang, Yi Zhong Gong, T. Kobayashi, F. Makino, Yasushi Shimizu, Shoji Torii, Jin Chang, Yi Ming Hu
Publikováno v:
Chinese Astronomy and Astrophysics. 32:449-458
The emulsion chamber detector on board the “ShiJian-8” satellite is the first one in China designed especially for observing in space the highenergy electrons and γ-rays. In this paper, the principle of the detector design, the method of data pr
Emissions and Concentration Distributions of Black Carbon Aerosol in East Asia during the Springtime
Publikováno v:
Chinese Journal of Geophysics. 48:55-61
In this study a three-dimensional chemical transport modeling system was applied to East Asia to investigate the transport and evolution processes of black carbon aerosol in the springtime based on a newly compiled regional emission inventory of blac
Autor:
Jun, Tao, Ren-Jian, Zhang, Jing-Chun, Duan, Jun-Shan, Jing, Li-Hua, Zhu, Zhong-Ming, Chen, Yue, Zhao, Jun-Ji, Cao
Publikováno v:
Huan jing ke xue= Huanjing kexue. 35(2)
During April, July, October 2009 and January 2010, daily (24-h average) PM2.5 samples were collected at urban sites in Beijing and 29 metal elements were analyzed by the ICP-MS. The characteristics of 7 carcinogenic heavy metal mass concentrations, e
Publikováno v:
Huan jing ke xue= Huanjing kexue. 34(8)
The meteorological and environmental data including visibility, SO2, NO2 and PM10 were collected in four major megacities (Beijing, Shanghai, Guangzhou and Chengdu) in the years 2006-2009. Based on the data, seasonal and annual variations of the haze
Publikováno v:
Huan jing ke xue= Huanjing kexue. 34(2)
Aerosol samples for PM2.5 were collected days and nights from 4 to 30 November 2010 in Guangzhou. The concentrations of organic carbon, element carbon, and water-solubility ions of all particle samples were determined by thermal/optical carbon analyz
Publikováno v:
Huan jing ke xue= Huanjing kexue. 33(1)
Aerosol samples for PM2.5 were collected from 1st January to 31st January 2010, in Beijing. The concentrations of organic carbon, elemental carbon, water-solubile ions and soil elements of all particle samples were determined by thermal/optical carbo