Yuan Hong Li

China Medical University

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Shu Chao Lu

Xiang Quan Hu

Yu Cheng

Southern University of Science and Technology

Jun De Wang

Naser Almanaseer

Al-Balqa Applied University

Zhengxiu Li

China Medical University

Yao-Jia Luo

Shenzhen University

Dong Mei Peng

Chongqing Bureau of Geology and Minerals Exploration

Dong Yuan Sun

China Institute of Water Resources and Hydropower Research

Lin Gong

First Affiliated Hospital of Dalian Medical University

Cooperative Institutions

China Medical University

First Hospital of China Medical University

Chinese Academy of Sciences

Al-Balqa Applied University

North Carolina State University

Nanchang Hangkong University

Shenzhen University

Chongqing Bureau of Geology and Minerals Exploration

China Institute of Water Resources and Hydropower Research

First Affiliated Hospital of Dalian Medical University

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The Study of Groundwater Modeling of Plain Area in Shiyang River Basin - I Groundwater System Conceptual Model Construction

Advanced materials research (2014)

Yu Cheng Yuan Hong Li Xiang Quan Hu Jun De Wang Shu Chao Lu

In order to construct the groundwater numerical simulation model, the study area was determined on the basis of the geological and hydrogeological conditions. Taking Feflow as operating platform, combining GIS with Surfer software, a study area of the structure of three-dimensional aquifer model was established, realizing the 3D visualization of a large area of the complex geological content. Combined with the hydrogeological conditions, three-dimensional geological structure of the model further generalization. The result showed that the aquifer of the vertical was generalized into the unconfined aquifer; based on the characteristics of lithology, structure, parameters and distribution of recharge and discharge in groundwater system, the study area groundwater system was characterized by isotropic saturated-unsaturated numerical flow model, and the equilibrium composition of the elements was analysed in study area, the partition of the aquifer hydrogeological parameters was divided, lay the foundation for groundwater numerical model simulation.

Groundwater model

Lithology

10.4028/www.scientific.net/amr.937.632

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Fractal Study of Land Use Change in the Tailan River Basin, Xinjiang, China

Advanced materials research (2014)

Dong Yuan Sun Cheng Zhao Yuan Hong Li Dong Mei Peng Naser Almanaseer

Based on the land use data observed over the Tailan River Basin (TRB) during the years 1990, 2000, 2005 and 2008, fractal theory is adopted and applied to expound spatial distribution characteristics and variation law of land use change in the arid inland TRB, Xinjiang, China. The results demonstrate spatial fractal characteristics in all land use types. The analysis indicate that the fractal dimensions of different land use types in the TRB are in the order of waters > industrial, mining and residential areas > farmlands > grasslands > unused lands > woodlands in 1990, and in the order of waters > industrial, mining and residential areas > grasslands > farmlands > woodlands > unused lands in 2000, and in the order of waters > industrial, mining and residential areas > grasslands > woodlands > farmlands >unused lands in 2005, and in the order of waters > industrial, mining and residential areas > grasslands > unused lands > woodlands > farmlands in 2008. The fractal dimension values of land use in the TRB in 1990, 2000, 2005 and 2008 are calculated as 1.5993, 1.5986, 1.6079 and 1.6348 respectively. Fractal dimension of land use in the basin is decreased at first then increased, the spatial structure of land used exhibit complex trend, while the land use types show an increase trend. The stability indexes of spatial structure of land use in the TRB in 1990, 2000, 2005 and 2008 are 0.1720, 0.1563, 0.1435 and 0.1428 respectively. These values suggest that the stability of the spatial structure of land use in the basin is gradually decreased.

Driving factors

10.4028/www.scientific.net/amr.955-959.3968

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The Study of Groundwater Modeling of Plain Area in Shiyang River Basin - II Groundwater Modeling and Validation

Advanced materials research (2014)

Yu Cheng Jun De Wang Yuan Hong Li Xiang Quan Hu Shu Chao Lu

Groundwater is an important resource, it is used for variety of purposes in the inland river basins of arid western China. In recent years, the utilization ratio of surface water has been raised, the groundwater recharge rate from surface water has been reduced, and the aquifer depletion due to over-exploitation, which has led to the decline of groundwater levels and the degradation of eco-environments in the Shiyang River Basin, especially in Minqin. Therefore, the study on the groundwater levels change in recent years, as well as simulating and predicting groundwater levels in the future have gotten very important. The purpose of this study is to analyze the groundwater level variations of the study area. Basin on a conceptual groundwater model and observation groundwater level data, to establish the groundwater flow model by FEFLOW; simulated and validated the groundwater model. Finally the precision of model was evaluated. It was shown that the model could be used to predict the groundwater levels variation under different hypothesis conditions in Shiyang River Basin, which would provide the effective reference to the rational use and management of the groundwater.

Groundwater model

Groundwater discharge

10.4028/www.scientific.net/amr.937.639

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Application of a new fractional radiofrequency device in the treatment of photoaging skin in Chinese patients

Journal of Cosmetic and Laser Therapy (2018)

Yimeng Sun Yao-Jia Luo Zhengxiu Li Ai jiao Yu Lin Gong

Background and objectives: Fractional radiofrequency (FRF) has been used in the treatment of photoaged skin for a long time. This study was intended to examine the efficacy and safety of electrode pin FRF in the treatment of photoaged skin in Chinese patients. Materials and methods: Twenty healthy Chinese subjects with facial photoaged skin were enrolled in this study. Each subject received three FRF treatments at 4-week intervals. Changes of photoaging were analyzed by a global evaluation, subjective Assessment, a Mexameter, and VISIA. Results: In total, 12 of 18 patients (66.7%) and 11 of 18 patients (61.1%) had good or excellent improvement respectively according to investigator A and investigator B. Also, 13 of 18 patients (72.2%) rated their satisfaction of the overall improvement as satisfied or very satisfied. Mean melanin index and erythema index values significantly decreased between baseline and 12-week follow up (P < 0.05). The average wrinkle percentile was increased at 12-week follow-up (79.0 ± 8.4) compared to baseline (58.8 ± 10.2). Adverse effects were limited to erythema, tiny scabs and mild pain. Conclusions: FRF is a safe and effective method for photoaging skin in Chinese patients.

Photoaging

Erythema

Wrinkle

Melasma

10.1080/14764172.2018.1511908

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Citations (7)