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| 1 | The provincial pattern of the relationship between urbanization and economic development in China显示文摘在省的规模上理解在瓷器都市化和经济开发之间的关系具有深刻理论、实际的意义。在中国在全世界和 31 个省或自治区域从 124 个国家或区域基于数据,使用用象限地图途径的改进方法,这份报纸分析了在瓷器都市化和经济发展水平之间的关系的空间模式。学习识别了下列结果。(1 ) 31 个省级的区域掉进六个范畴:仅仅一个区域在锋利的在都市化上的范畴, 3 个区域在中等在都市化上, 11 细微在都市化上, 8 基本协作,一中等在都市化下面,和七细微在都市化下面。(2 ) 在在都市化和经济开发的水平之间的关系中的省的规模上有重要地区性的差别。(3 ) 都市化和经济开发的省的模式在东方和西方之间是显著地不同的。东方沿海的区域主要是过去城市化的,当中央、西方的区域主要是下面城市化的时。(4 ) 在都市化和经济开发的水平之间的关系类似于马修效果。因此,二重要卓见被建议。首先,在一些发达区域的在都市化上的现象应该用一些担心和警戒看。第二,都市化需要在中央、西方的区域中等被加快。 | CHEN Mingxing HUANG Yongbin TANG Zhipeng LU Dadao LIU Hui MA Li | 2014 | Journal of Geographical Sciences2014，24，1： | 50 |
| 2 | Regional applicability of seven meteorological drought indices in China显示文摘The definition of a drought index is the foundation of drought research.However,because of the complexity of drought,there is no a unified drought index appropriate for different drought types and objects at the same time.Therefore,it is crucial to determine the regional applicability of various drought indices.Using terrestrial water storage obtained from the Gravity Recovery And Climate Experiment,and the observed soil moisture and streamflow in China,we evaluated the regional applicability of seven meteorological drought indices:the Palmer Drought Severity Index(PDSI),modified PDSI(PDSI_CN) based on observations in China,self-calibrating PDSI(scPDSI),Surface Wetness Index(SWI),Standardized Precipitation Index(SPI),Standardized Precipitation Evapotranspiration Index(SPEI),and soil moisture simulations conducted using the community land model driven by observed atmospheric forcing(CLM3.5/ObsFC).The results showed that the scPDSI is most appropriate for China.However,it should be noted that the scPDSI reduces the value range slightly compared with the PDSI and PDSI_CN;thus,the classification of dry and wet conditions should be adjusted accordingly.Some problems might exist when using the PDSI and PDSI_CN in humid and arid areas because of the unsuitability of empiricalparameters.The SPI and SPEI are more appropriate for humid areas than arid and semiarid areas.This is because contributions of temperature variation to drought are neglected in the SPI,but overestimated in the SPEI,when potential evapotranspiration is estimated by the Thornthwaite method in these areas.Consequently,the SPI and SPEI tend to induce wetter and drier results,respectively.The CLM3.5/ObsFC is suitable for China before 2000,but not for arid and semiarid areas after 2000.Consistent with other drought indices,the SWI shows similar interannual and decadal change characteristics in detecting annual dry/wet variations.Although the long-term trends of drought areas in China detected by these seven drought indices during 1961-2013 are consistent,obvious differences exist among the values of drought areas,which might be attributable to the definitions of the drought indices in addition to climatic change. | YANG Qing LI MingXing ZHENG ZiYan MA ZhuGuo | 2017 | Science China Earth Sciences2017，60，4： | 21 |
| 3 | Repurposing vitamin D for treatment of human malignancies via targeting tumor microenvironment显示文摘Tumor cells along with a small proportion of cancer stem cells exist in a stromal microenvironment consisting of vasculature, cancer-associated fibroblasts, immune cells and extracellular components.Recent epidemiological and clinical studies strongly support that vitamin D supplementation is associated with reduced cancer risk and favorable prognosis. Experimental results suggest that vitamin D not only suppresses cancer cells, but also regulates tumor microenvironment to facilitate tumor repression. In this review, we have outlined the current knowledge on epidemiological studies and clinical trials of vitamin D. Notably, wesummarized and discussed the anticancer action of vitamin D in cancer cells, cancer stem cells and stroma cells in tumor microenvironment, providing a better understanding of the role of vitamin D in cancer. We presently re-propose vitamin D to be a novel and economical anticancer agent. | Xu Wu Wei Hu Lan Lu Yueshui Zhao Yejiang Zhou Zhangang Xiao Lin Zhang Hanyu Zhang Xiaobing Li Wanping Li Shengpeng Wang Chi Hin Cho Jing Shen Mingxing Li | 2019 | Acta Pharmaceutica Sinica B2019，9，2： | 20 |
| 4 | Special Section:SARS-CoV-2 Preliminary evidence from a multicenter prospective observational study of the safety and efficacy of chloroquine for the treatment of COVID-19显示文摘Effective therapies are urgently needed for the SARS-CoV-2 pandemic.Chloroquine has been proved to have antiviral effect against coronavirus in vitro.In this study,we aimed to assess the efficacy and safety of chloroquine with different doses in COVID-19.In this multicenter prospective observational study,we enrolled patients older than 18 years old with confirmed SARS-CoV-2 infection excluding critical cases from 12 hospitals in Guangdong and Hubei Provinces.Eligible patients received chloroquinephosphate s00 mg,orally,once(half dose)or twice(full dose)daily.Patients treated with non-chloroquine therapy were included as historical controls.The primary endpoint is the time to undetectable viral RNA.Secondary outcomes include the proportion of patients with undetectable viral RNA by day 10 and 14,hospitalization time,duration of fever,and adverse events.A total of 197 patients completed chloroquine treatment,and 176patients were included as historical controls.The median time to achieve an undetectable viral RNA was shorter in chloroquine than in non-chloroquine(absolute difference in medians-6.0 days;95%CI-6.0 to—4.0).The duration of fever is shorter in chloroquine(geometric mean ratio 0.6;95%CIO.5 to 0.8).No serious adverse events were observed in the chloroquine group.Patients treated with half dose experienced lower rate of adverse events than with full dose.Although randomized trials are needed for further evaluation,this study provides evidence for safety and efficacy of chloroquine in COVID-19 and suggests that chloroquine can be a cost-effective therapy for combating the COVID-19 pandemic. | Mingxing Huang Man Li Fei Xiao Pengfei Pang Jiabi Liang Tiantian Tang Shaoxuan Liu Binghui Chen Jingxian Shu Yingying You Yang Li Meiwen Tang Jianhui Zhou Guanmin Jiang Jingfen Xiang Wenxin Hong Songmei He Zhaoqin Wang Jianhua Feng Changqing Lin Yinong Ye Zhilong Wu Yaocai Li Bei Zhong Ruilin Sun Zhongsi Hong Jing Liu Huili Chen Xiaohua Wang Zhonghe Li Duanqing Pei Lin Tian Jinyu Xia Shanping Jiang Nanshan Zhong Hong Shan | 2020 | National Science Review2020，7，9： | 20 |
| 5 | Modeling spatial and temporal variations in soil moisture in China显示文摘On the basis of station observations,an atmospheric field (ObsFC) was constructed for the Community Land Model version 3.5 (CLM3.5).The model (CLM3.5 driven with ObsFC,hereafter referred as to CLM3.5/ObsFC) was used to simulate soil moisture (SM) from 1951 to 2008 in China.The resulting SM was compared with in situ observations,remote-sensing data and estimations made by various land models,indicating that CLM3.5/ObsFC is capable of reproducing the temporospatial characteristics and long-term variation trends of SM over China.Using an in situ observation-based forcing field improves the simulation of SM.Analysis of SM simulated using CLM3.5/ObsFC shows that the overall spatial pattern of SM was characterized by a gradually decreasing and alternating distribution of arid-humid zones from the southeast to northwest.Regionally averaged SM was the driest over southern Xinjiang Province and western Inner Mongolia,while the most humid regions were located over the Northeast Plain,Jianghuai region and the Yangtze River basin.The long-term variation trends of SM were generally characterized by increases in arid and humid regions and decreases in semiarid regions.Moreover,the variation was relatively intense from the mid-1970s to the mid-1990s in the arid region.The time series was more stable in the humid region except for a period near 1970 and after the year 2003.A downward trend was most prominent in the semiarid region from the 1990s to the end of the time series.For 1951-2008,in the arid,semiarid and humid regions,the SM volume percentage changed by 2.35,-1.26 and 0.08,respectively.The variation trends and intensity remarkably differed among the different regions,with the most notable changes being over the arid and semiarid regions north of 35°N. | LI MingXing MA ZhuGuo NIU Guo-Yue | 2011 | Chinese Science Bulletin2011，56，17： | 17 |
| 6 | Soil moisture drought detection and multi-temporal variability across China显示文摘Soil moisture droughts can trigger abnormal changes of material and energy cycles in the soil-vegetation-atmosphere system,leading to important effects on local ecosystem,weather,and climate.Drought detection and understanding benefit disaster alleviation,as well as weather and climate predictions based on the understanding the land-atmosphere interactions.We thus simulated soil moisture using land surface model CLM3.5 driven with observed climate in China,and corrected wet bias in soil moisture simulations via introducing soil porosity parameter into soil water parameterization scheme.Then we defined soil moisture drought to quantify spatiotemporal variability of droughts.Over the period from 1951 to 2008,40%of months(to the sum of 12×58)underwent droughts,with the average area of 54.6%of total land area of China's Mainland.The annual monthly drought numbers presented a significant decrease in arid regions,but a significant increase in semi-arid and semi-humid regions,a decrease in humid regions but not significant.The Mainland as a whole experienced an increasing drought trend,with77.3%of areal ratio of decrease to increase.The monthly droughts in winter were the strongest but the weakest in summer,impacting 54.3%and 8.4%total area of the Mainland,respectively.The drought lasting three months or more occurred mainly in the semi-arid and semi-humid regions,with probability>51.7%,even>77.6%,whereas those lasting 6 and 12 months or more impacted mainly across arid and semi-arid regions. | LI MingXing MA ZhuGuo | 2015 | Science China Earth Sciences2015，58，10： | 13 |
| 7 | Incremental value of contrast echocardiography in the diagnosis of left ventricular noncompaction显示文摘 | Xiaoxiao Zhang Li Yuan Linli Qiu Yali Yang Qing Lv Lin Li Jing Wang Lin He Li Zhang Xinfang Wang Mingxing Xie Xu Yu Jin | 2016 | Frontiers of Medicine2016，10，4： | 10 |
| 8 | Crop rotation-dependent yield responses to fertilization in winter oilseed rape(Brassica napus L.)显示文摘Differences in soil physical, chemical and biological properties between paddy–upland and continuous upland rotations will influence nutrient relations and crop growth. With the aim of estimating rapeseed yield performance in response to fertilization in rice–rapeseed(RR) and cotton–rapeseed(CR) rotations, on-farm experiments were conducted at 70 sites across Hubei province, central China. The economically optimal fertilizer rates of winter oilseed rape in different rotations were determined. Field experiments showed that previous crops significantly influenced seed yields. Without N fertilization,seed yields were significantly lower for the RR rotation than for the CR rotation. The average yield increase ratio and agronomic efficiency associated with nitrogen(N)fertilization in the RR rotation were 96.6% and 6.56 kg kg- 1, significantly higher than those in the CR rotation. No seed yield differences were detected between the two rotations under phosphorus(P) and potassium(K) fertilization. In contrast to the CR rotation, N fertilizer played a more vital role in maintaining high seed yields in the RR rotation owing to the lower indigenous soil N supply. Compared with local N fertilizer recommendation rates for the RR rotation, on average an additional 18 kg N ha- 1was recommended according to the economically optimal N fertilizer rate(EONFR). In contrast, the EONFR was 14 kg N ha- 1lower than the locally recommended N fertilizer rate for the CR rotation. There were no differences between the two rotations for the average economically optimal P and K fertilization rates. Consequently, the average EONFR of winter oilseed rape could be reduced if cotton rather than rice preceded the winter oilseed rape. | Tao Ren Hui Li Jianwei Lu Rongyan Bu Xiaokun Li Rihuan Cong Mingxing Lu | 2015 | The Crop Journal2015，3，5： | 8 |
| 9 | Soil moisture-based study of the variability of dry-wet climate and climate zones in China显示文摘An ensemble soil moisture dataset was produced from 11 of 25 global climate model (GCM) simulations for two climate scenarios spanning 1900 to 2099; this dataset was based on an evaluation of the spatial correlation of means and trends in reference to soil moisture simulations conducted using the community land model driven by observed atmospheric forcing. Using the ensemble soil moisture index, we analyzed the dry-wet climate variability and the dynamics of the climate zone boundaries in China over this 199-year period. The results showed that soil moisture increased in the typically arid regions, but with insignificant trends in the humid regions; furthermore, the soil moisture exhibited strong oscillations with significant drought trends in the transition zones between arid and humid regions. The dynamics of climate zone boundaries indicated that the expansion of semiarid regions and the contraction of semi-humid regions are typical characteristics of the dry-wet climate variability for two scenarios in China. During the 20th century, the total area of semiarid regions expanded by 11.5% north of 30°N in China, compared to the average area for 1970-1999, but that of semi-humid regions decreased by approximately 9.8% in comparison to the average for the period of 1970-1999, even though the transfer area of the humid to the semi-humid regions was taken into account. For the 21st century, the dynamics exhibit similar trends of climate boundaries, but with greater intensity. | LI MingXing MA ZhuGuo | 2013 | Chinese Science Bulletin2013，58，4： | 8 |
| 10 | The Chinese Hα Solar Explorer(CHASE) mission: An overview显示文摘The Chinese Hα Solar Explorer(CHASE), dubbed “Xihe”—Goddess of the Sun, was launched on October 14, 2021 as the first solar space mission of China National Space Administration(CNSA). The CHASE mission is designed to test a newly developed satellite platform and to acquire the spectroscopic observations in the Hα waveband. The Hα Imaging Spectrograph(HIS)is the scientific payload of the CHASE satellite. It consists of two observational modes: raster scanning mode and continuum imaging mode. The raster scanning mode obtains full-Sun or region-of-interest spectral images from 6559.7 to 6565.9 ? and from 6567.8 to 6570.6 ? with 0.024 ? pixel spectral resolution and 1 min temporal resolution. The continuum imaging mode obtains photospheric images in continuum around 6689 ? with the full width at half maximum of 13.4 ?. The CHASE mission will advance our understanding of the dynamics of solar activity in the photosphere and chromosphere. In this paper, we present an overview of the CHASE mission including the scientific objectives, HIS instrument overview, data calibration flow, and first results of on-orbit observations. | Chuan Li Cheng Fang Zhen Li MingDe Ding PengFei Chen Ye Qiu Wei You Yuan Yuan MinJie An HongJiang Tao XianSheng Li Zhe Chen Qiang Liu Gui Mei Liang Yang Wei Zhang WeiQiang Cheng JianXin Chen ChangYa Chen Qiang Gu QingLong Huang MingXing Liu ChengShan Han HongWei Xin ChangZheng Chen YiWei Ni WenBo Wang ShiHao Rao HaiTang Li Xi Lu Wei Wang Jun Lin YiXian Jiang LingJie Meng Jian Zhao | 2022 | Science China(Physics,Mechanics & Astronomy)2022，65，8： | 7 |
| 11 | Modulation of metabolic functions through Cas13d-mediated gene knockdown in liver显示文摘Dear Editor,RNA knockdown in vivo carries significant potential for dis-ease modeling and therapies.Despite the emerging approaches of CRISPR/Cas9-mediated permanent knock out of targeted genes,strategies targeting RNA for disruption are advantageous in the treatment of acquired metabolic disorders when permanent modification of genome DNA is not appropriate,and RNA virus infection diseases when pathogenic DNA is not available(such as SARS-Cov-2 and MERS infections). | Bingbing He Wenbo Peng Jia Huang Hang Zhang Yingsi Zhou Xiali Yang Jing Liu Zhijle Li Chunlong Xu Mingxing Xue Hui Yang Pengyu Huang | 2020 | Protein & Cell2020，11，7： | 7 |
| 12 | Growth Inhibition, Induction of Apoptosis by Green Tea Constituent (-)-Epigallocatechin-3-gallate in Cultured Rabbit Lens Epithelial Cells显示文摘Purpose: To evaluate effect of green tea extract (-)-Epigallocatechin-3-gallate (EGCG) in cultured rabbit lens epithelial cells in order to pave a new way to postcapsular opacity (PCO) prevention.Methods: Cell survival rate was measured by 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyl tetrazolium bromide (MTT) coloimetric assay. Cell apoptosis was detected by electron microscopy, Hochest 33258 stain and flow cytometer. DNA fragment was detected using agarose gel electrophoresis.Result: Proliferation of the cultured rabbit lens epithelia cells was inhibited by EGCG in a dose and time dependent manner. Morphologic study showed that the cells became shrunk, round shaped with their nuclei condensed and broken. Apoptotic bodies were also seen under electron microscope and in Hochest 33258 stain assay 24 hours after EGCG was added to the medium. DNA ladders were shown in agarose gel eletrophoresis. In flow cytometry assay, apoptosis peak was also evident.Conclusion: Green Tea Constituent(-) | Wenyong Huang, Shaozhen Li, Junwen Zeng, Yizhi Liu, Mingxing Wu, Ming ZhangZhongshan Ophthalmic Center, Sun Yat-sen University of Medical Sciences, Guangzhou 510060, China | 2000 | 眼科学报2000，16，3： | 6 |
| 13 | Assessment of an Evapotranspiration Deficit Drought Index in Relation to Impacts on Ecosystems显示文摘Ecosystems have increasingly been subject to the challenge of heavy drought under global warming. To quantitatively evaluate the impacts of drought on ecosystems, it is necessary to develop a drought index that can sensitively depict the response of vegetation to drought evolution at a biological time scale. For the ability of direct connection between climate and ecosystem by deficit of evapotranspiration, in the present study, a drought index was defined based on standardized evapotranspiration deficit (SEDI), according to the difference between actual and potential evapotranspiration, to meet the need for highlighting drought impacts on ecological processes. Comparisons with traditional indices show that SEDI can reasonably detect droughts and climatic dry and wet transitions, especially at a monthly time scale, and can also regenerate long-term trends. Moreover, SEDI can more sensitively capture the biological changes of ecosystems in response to the dynamics of drought intensity, compared with the indices of precipitation and temperature. SEDI is more practical than the precipitation and temperature indices to highlight signals of biological effects in climate droughts. Hence, it has potential for use in assessments of climate change and its impact on ecosystems. | Xia ZHANG Mingxing LI Zhuguo MA Qing YANG Meixia LV Robin Clark | 2019 | Advances in Atmospheric Sciences2019，36，11： | 6 |
| 14 | Efficacy and safety of Reduqing granules in the treatment of common cold with wind-heat syndrome: a randomized, double-blind, double-dummy, positive-controlled trial显示文摘OBJECTIVE:To assess the efficacy and safety of Reduqing granules in patients with common cold with wind-heat syndrome(CCWHS).METHODS:A randomized, double-blind, double-dummy, parallel, positive-controlled trial included 72 CCWHS patients was performed.The participants were randomly assigned to two groups,Reduqing(RDQ) group and Lianhuaqingwen(LHQW) group, in a 1∶1 ratio.Patients in RDQ group received Reduqing granules and dummy Lianhuaqingwen capsules three times a day and patients in LHQW group received Lianhuaqingwen capsules and dummy Reduqing granules three times daily.The duration of treatment and follow-up were four days.RESULTS:There were no statistically significant differences in total markedly effective rate and total effective rate between RDQ group and LHQW group after treatment.Traditional Chinese Medicine(TCM) symptom score was significantly reduced after treatment in RDQ group, as well as in LHQW group.However, the difference of change in TCM symptom score between two groups was not statistically significant(P > 0.05).There were no significant differences between two groups in the median time to fever relief [RDQ group(4 ± 8) h vs LHQW group(4 ± 5) h] or the median time to fever clearance(RDQ group 47 h vs LHQW 36 h).No serious adverse events were reported during the study.CONCLUSION:Compared with Lianhuaqingwen capsules, Reduqing granules achieved similar therapeutic effect in the treatment of CCWHS and no drug-related adverse events were reported during the study.Therefore, Reduqing granules might be effective and safe in the treatment of CCWHS. | Ma Yanjiao Zhang Zhongyi Wei Lianbo He Shuai Deng Xun Ji Aimin Zhou Benjie Jiang Deqi Li Mingxing Wang Yong | 2017 | Journal of Traditional Chinese Medicine2017，37，2： | 5 |
| 15 | Grapevine VlbZIP30 improves drought resistance by directly activating VvNAC17 and promoting lignin biosynthesis through the regulation of three peroxidase genes显示文摘Drought stress severely affects grapevine quality and yield,and recent reports have revealed that lignin plays an important role in protection from drought stress.Since little is known about lignin-mediated drought resistance in grapevine,we investigated its significance.Herein,we show that VlbZIP30 mediates drought resistance by activating the expression of lignin biosynthetic genes and increasing lignin deposition.Transgenic grapevine plants overexpressing VlbZIP30 exhibited lignin deposition(mainly G and S monomers)in the stem secondary xylem under control conditions,which resulted from the upregulated expression of VvPRX4 and VvPRX72.Overexpression of VlbZIP30 improves drought tolerance,characterized by a reduction in the water loss rate,maintenance of an effective photosynthesis rate,and increased lignin content(mainly G monomer)in leaves under drought conditions.Electrophoretic mobility shift assay,luciferase reporter assays,and chromatin immunoprecipitation-qPCR assays indicated that VlbZIP30 directly binds to the G-box cis-element in the promoters of lignin biosynthetic(VvPRX N1)and drought-responsive(VvNAC17)genes to regulate their expression.In summary,we report a novel VlbZIP30-mediated mechanism linking lignification and drought tolerance in grapevine.The results of this study may be of value for the development of molecular breeding strategies to produce drought-resistant fruit crops. | Mingxing Tu Xianhang Wang Wuchen Yin Ya Wang Yajuan Li Guofeng Zhang Zhi Li Junyang Song Xiping Wang | 2020 | Horticulture Research2020，7，1： | 5 |
| 16 | The Effect of Liposome Encapsulated Daunorubicin on Rabbit Eyes after Extracapsular Lens Extraction显示文摘Purpose: To investigate the effect of liposome encapsulated daunorubicin (DNR) on rabbit eyes when it was used in prevention of posterior capsule opacification (PCO). Methods: The liposome encapsulated DNR was prepared by modified freeze-thawing method. Each eye was injected with 0. 1 ml liposomes (0. 2 mg/ml and 20 μg/ml DNR) into the capsular bag during the extracapsular lens extraction (ECLE) in 10 rabbit eyes respectively. The phosphate buffer solution (PBS) was injected as control. Besides biomicroscope observation and histology examination of all eyes, the concentration of DNR in aqueous humor was also determined by high performance liquid chromatography (HPLC).Results: The morphology of liposome encapsulated DNR were similar to the blank liposome with round or ellipse shape. The encapsulated effeciency of liposome encapsulated DNR was 45. 1%. The inflammatory response was much more severe both in 0. 2 mg/ml and 20μg/ml DNR group than the control after liposome injection. All eyes in DNR group | Mingxing Wu, Huaming Li, Shaozhen Li, Junwen ZengZhongshan Ophthalmic Center, Sun Yet-sen University of Medical Sciences, Guangzhou 510060, China | 2000 | 眼科学报2000，16，3： | 4 |
| 17 | Leukotriene D4 induces amyloid-β generation via CysLT1R-mediated NF-κB pathways in primary neurons显示文摘 | Xiaoyun Wang SusuTang Yanlong Yongqi Li Mingxing Liao Mei Hu Hui Ji Hao Hong | 2013 | 中国药理通讯2013，30，2： | 4 |
| 18 | Has the stilling of the surface wind speed ended in China?显示文摘Since the 1960 s,the global land surface wind speed(SWS)has significantly weakened,a phenomenon known as global terrestrial stilling.The latest research found that the stilling reversed around 2010,and since then the global SWS has been strengthening.However,there is still a lack of systematic quantitative analysis in China.We analyzed the transition and regional differences in the long-term trends of the SWS in China based on observational SWS data from 1971 to 2019.The results showed that annual mean SWS in China underwent a reversal from a continuously weakening trend to a significantly strengthening trend around 2014 and implying that stilling may have ended in 2014.The reversal had obvious regional and seasonal variations.In Northeast China,Western Xinjiang as well as on the Tibetan Plateau,the years with both annual and seasonal mean SWS changing from weakening to strengthening were around 2013/2014,1993/1994,and 2000.However,in the west of North China,SWS showed an obviously strengthening trend only in autumn and winter after 2007;while only autumn mean SWS showed a strengthening trend after 2012 in South China.It should be noted that stilling is ongoing in the eastern and southern coastal areas,North China and Eastern Xinjiang. | Qing YANG Mingxing LI Ziqing ZU Zhuguo MA | 2021 | Science China Earth Sciences2021，64，7： | 4 |
| 19 | Abutment pressure distribution for longwall face mining through abandoned roadways显示文摘Abutment pressure distribution is different when a longwall panel is passing through the abandoned gate roads in a damaged coal seam. According to the geological condition of panel E13103 in Cuijiazhai Coal Mine in China, theoretical analysis and finite element numerical simulation were used to determine the front pressure distribution characteristics when the longwall face is 70, 50, 30, 20, 10, and 5 m from the abandoned roadways. The research results show that the influence range of abutment pressure is 40 to 45 m outby the face, and the peak value of front abutment pressure is related to the distance between the face and abandoned roadways. When the distance between the longwall face and abandoned roadways is reduced from 50 to 10 m, the front abutment pressure peak value kept increasing. When the distance is 10 m, it has reached the maximum. The peak value is located in 5 to 6 m outby the faceline. When the distance between the longwall face and abandoned roadways is reduced from 10 to 5 m, the front abutment pressure sharply decreases, the intact coal yields and is even in plastic state. The peak value transfers to the other side of the abandoned roadways. The research results provide a theoretical basis for determining the advance support distance of two roadways in the panel and the reinforcement for face stability when the longwall face is passing through the abandoned roadways. | Yang Li Mingxing Lei Haosen Wang Cheng Li Weiwei Li Yang Tao Jingyi Wang | 2019 | International Journal of Mining Science and Technology2019，29，1： | 4 |
| 20 | Carbonaceous Nanofibers-titanium Dioxide Nanocomposites: Synthesis and Use as a Platform for Removal of Dye Pollutants显示文摘A mild chemistry route was developed to prepare carbonaceous nanofibers-titanium dioxide(CNF-TiO_2) nanocomposites for removal of dye pollutants. In the process of the template-directed hydrothermal carbonization(HTC), ultrathin Te nanowires were adopted as templates and glucose as the carbon source, and TiO_2 was decorated on CNF via the hydrolysis of tetrabutyltitanate in the presence of CNF in ethanol. The as-prepared materials were characterized by scanning electron microscopy(SEM), transmission electron microscopy(TEM), energy-dispersive X-ray(EDX) and X-ray diffraction(XRD). SEM and TEM observations displayed that TiO_2 nanoparticles were anchored on the CNF. EDX and XRD data confirmed that the assynthesized samples were CNF-TiO_2, and TiO_2 belonged to anatase titania. Taking advantage of combined benefits of carbonaceous nanofibers and titanium dioxide, these CNF-TiO_2 nanocomposites exhibited higher removal efficiency in a short time and showed good reusability. It was showed that over 97% of Rhodamine B could be removed in 15 min without generating the solid and liquid wastes. The removal efficiency of dyes was still over 80% after reuse in five cycles. All the results demonstrate that the as-prepared CNF-TiO_2 composites are effective materials for fast and effective removal of dye pollutants and thus can provide a new platform for dye decontamination. | 郭洪影 JIANG Shan WANG Chaoyuan LI Shenwan FENG Jianjian 孙红梅 ZHU Hongda GUO Huiling LIU Mingxing SUN Honghao | 2019 | Journal of Wuhan University of Technology(Materials Science)2019，34，2： | 3 |
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