15 Result(s)

Article

Study on mesosphere summer echoes observed by digital ionosonde at Zhongshan Station, Antarctica

The irregular characteristics of E and Es layers are studied with data from 1995 to 2002 observed by a Digisonde Portable Sounder-4 (DPS-4) ionosonde at Zhongshan Station, Antarctica. Because they have much si...

Hai-Long Li, Jian Wu, Rui-Yuan Liu, Ji-Ying Huang in Earth, Planets and Space (2007)

Article

Construction and development of China digital seismological observation network

The seismological observation system in China has experienced rapid development over the Tenth Five-year Plan period. China Earthquake Administration (CEA) has completed the establishment of China digital seis...

Rui-feng Liu 刘瑞丰, **g-chun Gao 高景春, Yun-tai Chen 陈运泰… in Acta Seismologica Sinica (2008)

Article

Temporal and spatial variation characteristics of present stress field in the northern area of North China

From focal mechanism solutions of the earthquakes in the northern part of North China during the period of 2002∼2006, the directions of principal stress axes in 4 stress sub-districts are analyzed using a grid...

Rui-sha Li **瑞莎, **ao-feng Cui 崔效锋, Gui-ling Diao 刁桂苓… in Acta Seismologica Sinica (2008)

Article

Application of IPv6 and NGN to the information network of earthquake preparedness and disaster mitigation

Wei-** Lian 连尉**, Ju Liu 刘 举, Yan-yan Hou 侯燕燕, **ao-yu Liu 刘小雨… in Acta Seismologica Sinica (2008)

Article

The thickness and structural characteristics of the crust across Tibetan plateau from active-sources seismic profiles

The Tibetan plateau as one of the youngest orogen on the Earth was considered as the result of continent-continent collision between the Eurasian and Indian plates. The thickness and structure of the crust ben...

Qiusheng Li, Rui Gao, Zhanwu Lu, Ye Guan, Jisheng Zhang, Pengwu Li… in Earthquake Science (2009)

Article

Improving slurryability, rheology, and stability of slurry fuel from blending petroleum coke with lignite

Petroleum coke and lignite are two important fossil fuels that have not been widely used in China. Petroleum coke–lignite slurry (PCLS), a mixture of petroleum coke, lignite, water, and additives, efficiently ...

Jun-Hong Wu, Jian-Zhong Liu, Yu-Jie Yu, Rui-Kun Wang, Jun-Hu Zhou… in Petroleum Science (2015)

Article

Types and microbial genesis of carbonate microbodies in Zoophycos from the Pennsylvanian to Cisuralian Taiyuan Formation in North China

Many kinds of ichnofossil Zoophycos occur commonly in the carbonate rocks of Pennsylvanian to Cisuralian Taiyuan Formation in North China. In this study, carbonate microbodies types were identified in four differ...

Hui-Bo Song, **ang-Yu Zhang, Shun-** Liu, Bin Hu, Rui-Rui Guo… in Journal of Palaeogeography (2018)

Article

A proposed NMR solution for multi-phase flow fluid detection

In the petroleum industry, detection of multi-phase fluid flow is very important in both surface and down-hole measurements. Accurate measurement of high rate of water or gas multi-phase flow has always been a...

Jun-Feng Shi, Feng Deng, Li-Zhi **ao, Hua-Bing Liu, Feng-Qin Ma… in Petroleum Science (2019)

Article

Effects of direct stray current on the performance of cathodic disbonding epoxy powder coatings

The influence of the direction and magnitude of direct (DC) stray current on the disbonding performance of epoxy powder coating was studied by using electrochemical impedance spectroscopy and scanning electron...

Yan-Yu Cui, Rui-Tao Bu, De-You Wang, Yu-Jun Wang in Petroleum Science (2019)

Article

EDTA interfacial chelation Ca²⁺ incorporates superhydrophobic coating for scaling inhibition of CaCO₃ in petroleum industry

In this paper, the superhydrophobic poly(vinylidene fluoride)/fluorinated ethylene propylene/SiO₂/CNTs-EDTA (PFSC-EDTA) composite coating was successfully fabricated and applied for anti-scaling performance. The ...

Ming-Liang Zhu, Hui-Juan Qian, Rui-**a Yuan, Dong-Yan Zhao… in Petroleum Science (2021)

Article

Empirical rock physics relationships on carbonate dry-frame elastic properties

Laboratory tests were conducted to analyze the ultrasonic velocity response to the pressure change in dry carbonate rocks from the Weyburn oilfield, Canada. Twenty-four samples are from seven wells with helium...

Zi-Zhen Wang, Gautier Njiekak, Douglas R. Schmitt, Rui-He Wang in Petroleum Science (2021)

Article

Integrated economic and environmental building classification and optimal seismic vulnerability/energy efficiency retrofitting

A life cycle framework for a new integrated classification system for buildings and the identification of renovation strategies that lead to an optimal balance between reduction of seismic vulnerability and in...

Martina Caruso, Rui Pinho, Federica Bianchi… in Bulletin of Earthquake Engineering (2021)

Article

Shake-table response simulation of a URM building specimen using discrete micro-models with varying degrees of detail

Recent technological advances have enabled earthquake engineering researchers to develop numerical models of increasing complexity, capable of duly reproducing even the smallest structural detail. In the case ...

Mattia Calò, Daniele Malomo, Giammaria Gabbianelli… in Bulletin of Earthquake Engineering (2021)

Article

Comparative nonlinear soil-structure interaction analyses using macro-element and soil-block modelling approaches

In dynamic soil-structure interaction problems, involving the coupling of structure, foundation and soil, the use of a nonlinear macro-element modelling approach may result particularly advantageous not only t...

Francesco Cavalieri, António A. Correia, Rui Pinho in Bulletin of Earthquake Engineering (2022)

Article

Geochemical and H–O–Sr–B isotope signatures of Yangyi geothermal fields: implications for the evolution of thermal fluids in fracture-controlled type geothermal system, Tibet, China

High-temperature hydrothermal systems are mainly distributed in the north–south graben systems of southern Tibet as an important part of the Mediterranean–Tethys Himalayan geothermal belt in mainland China. As...

Rui Cao, Ji Dor, YongQiang Cai, **aoLin Chen, **ang Mao, Hui-ren Meng in Geothermal Energy (2023)