Zobrazeno 1 - 10
of 235
pro vyhledávání: '"G. J. He"'
Publikováno v:
eXPRESS Polymer Letters, Vol 14, Iss 8, Pp 757-767 (2020)
A series of novel quaternary copolymerized thermoplastic polyimides were successfully prepared with asymmetric diahydride: 3,4′-oxydiphthalic anhydride (a-ODPA) and symmetric anhydride: 4,4′-oxydiphthalicanhydride (s-ODPA), 9,9′-bis(4-aminophen
Externí odkaz:
https://doaj.org/article/e4622e5b6fb9439c9676ba36f3246e1c
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-3-W10, Pp 855-862 (2020)
Forest cover rate is the principal indice to reflect the forest acount of a nation and region. In view of the difficulty of accurately calculating large-scale forest area by traditional statistical survey methods, it is proposed to extract China fore
Externí odkaz:
https://doaj.org/article/5e3d258c601743f888bd81488d8f9c6f
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-3-W10, Pp 641-648 (2020)
Surface water system is an important part of global ecosystem, and the changes in surface water may lead to disasters, such as drought, waterlog, and water-borne diseases. The rapid development of remote sensing technology has supplied better strateg
Externí odkaz:
https://doaj.org/article/87b37b085b584fbab40f115568de8af0
Publikováno v:
eXPRESS Polymer Letters, Vol 13, Iss 6, Pp 524-532 (2019)
A series of quaternary copolymerized thermoplastic polyimides (PI) films with good thermal resistance has been synthesized via two-step method from bicomponent isomeric dianhydrides, 2,3′,3,4′-biphenyltetracarboxylic dianhydride (α-BPDA) and 3,3
Externí odkaz:
https://doaj.org/article/c97c5350439245d69c3e0b82373a6e64
ESTIMATION OF MONTHLY NEAR SURFACE AIR TEMPERATURE USING GEOGRAPHICALLY WEIGHTED REGRESSION IN CHINA
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-3, Pp 1747-1750 (2018)
Near surface air temperature (NSAT) is a primary descriptor of terrestrial environment conditions. The availability of NSAT with high spatial resolution is deemed necessary for several applications such as hydrology, meteorology and ecology. In this
Externí odkaz:
https://doaj.org/article/cc63a18ef1884b0cb802d2364c43e76a
Autor:
X. M. Zhang, G. J. He, M. M. Wang, Z. M. Zhang, W. L. Jiao, Y. Peng, G. Z. Wang, H. C. Liu, T. F. Long
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol II-4/W2, Pp 211-215 (2015)
Mine exploitation has a significant impact on the ecological environment status of the surroundings. To analyze the impact of Tonglvshan Mining area to its surroundings, this paper adopted the spatiotemporal methodology based on the extracted Eco-env
Externí odkaz:
https://doaj.org/article/8ea9eb6c36ec48e890cdad8f77e28aa9
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol II-4/W2, Pp 111-118 (2015)
With the continuous development of satellite techniques, it is now possible to acquire a regular series of images concerning a given geographical zone with both high accuracy and low cost. Research on how best to effectively process huge volumes of o
Externí odkaz:
https://doaj.org/article/36db4870a1964c03929be7dde3f90f62
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