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| 1 | Characteristics of coal sludge slurry prepared by a wet-grinding process显示文摘Coal sludge slurry(CSS) is an alternative fuel and a potential competitive method for sludge reduction.Based on the researches of coal water slurry, we studied CSSs by using a wet-grinding process with different types of regional municipal sludge(sludge) in an orthogonal experiment. The sludge type,sludge mixing proportion, dosage of dispersant, and grinding time were tested in this study. The results show that water content and its occurrence characteristics in the sludge have primary hindering influences on slurry ability. The range of fixed-viscosity concentrations with raw wet sludge is from 50.78%to 44.40%(by weight), while the range is from 53.35% to 51.51%(by weight) with dry sludge. All of the CSSs exhibit shear-thinning behaviors with different variation trends, especially the CSSs with more than 15%(by weight) raw wet sludge in it. Adding the same proportion of raw wet sludge increases the thixotropic properties of CSSs and the highest area of thixotropy loop is 3065 Pa/s, while the highest value of dry sludge is 1798 Pa/s. Hydrophilic group plays an important role in adsorbing water and building three-dimension networks with other particles, which is the main reason for CSS properties.Therefore, the mechanism can be used to find the way for making high quality CSS. | Ma Shaolian Wu Guoguang Meng Xianliang Zhou Rui Chu Ruizhi Miao Zhenyong Qi Yueming | 2016 | International Journal of Mining Science and Technology2016,26,5: | 3 |
| 2 | Direct growth of FePO 4 /graphene and LiFePO 4 /graphene hybrids for high rate Li-ion batteries显示文摘 | Qi Fan Lixu Lei Xingyu Xu Gui Yin Yueming Sun | 2014 | Journal of Power Sources2014,,: | 1 |
| 3 | Mathematical modeling of induction heating of discard substitution block for billet hot extrusion process显示文摘A magnetic and temperature field-coupled mathematical model is proposed to calculate the induction heating process of a discard substitution block for billet hot extrusion process. The mathematical model is validated by comparing simulation results with temperature measurements recorded during physical modeling. Based on systematical analysis of calculation results,a quantitative sawtooth induction power curve was proposed to realize the aim of achieving the best distributed temperature field in the block within the shortest induction time. | ZHU Hongda LEI Zuosheng GUO Jiahong ZHOU Yueming JIN Xiaoli GAO Qi | 2016 | Baosteel Technical Research2016,10,1: | 1 |
| 4 | Gas accumulation conditions and key technologies for exploration & development of Sinian and Cambrian gas reservoirs in Anyue gasfield显示文摘Exploration of the Sinian-Lower Paleozoic formations in the Sichuan Basin starts from the 1950s,and is tortuous and complex.To summarize the exploration experiences is of great significance of reference for exploration of oil and gas in deep carbonate rocks of the Sichuan Basin.Gas accumulation in the Anyue oversize gasfield is chiefly controlled by the Deyang-Anyue intra-platform rift and central Sichuan paleouplift.The intra-platform rift controls the scale hydrocarbon generation center and effective hydrocarbon plays.The Anyue gasfield is characterized by near-source hydrocarbon accumulation.The marginal zone of intra-platform rift and high part of the paleouplift control the scale distribution of favorable facies belts of reservoir development,and overlapped by paleokarstic reformation,the reservoirs are widely distributed.The intra-platform rift and paleouplift jointly control formation of the scale traps and hydrocarbon enrichment.Gas reservoir features and major controlling factors for hydrocarbon accumulation have some differences in the main play strata,such as Longwangmiao Formation,and Member 4 and Member 2 of Dengying Formation.The gas reservoir in the Longwangmiao Formation is a lithologic gas reservoir under the tectonic setting,and the inherited paleouplift is a key for reservoir formation and hydrocarbon accumulation.The gas reservoir in the Member 4 of Dengying Formation is mainly controlled by large structural-stratigraphic composite traps,and the gas reservoir in the Member 2 of Dengying Formation is the structural trap.Distribution of the large gasfields in the Dengying Formation is controlled by the intra-platform rift,near-source hydrocarbon-reservoir configuration controlled by the ancient erosion plane and stratigraphic sealing in the updip direction.For exploration and development of the Anyue gasfield,four series of technologies are developed,namely,reservoir seismic fine description technology,well logging fine evaluation technology of gas layers,fast drilling technology of complex strata,and stimulation technology for high temperature and high pressure gas layers.Technical progresses provide powerful guarantee for efficient exploration and development of the oversize gasfields. | Yueming Yang Yu Yang Guang Yang Jiarong Song LongWen Chuanguang Deng Maolong Xia Qi Ran Guobin Duan Bing Luo Bing Xie | 2018 | Petroleum Research2018,3,3: | 1 |
| 5 | Synthesis and photochemical properties of novel 4-diarylamine-1,8-naphthalimide derivatives显示文摘 | Wei Jiang Yueming Sun Xiaoliang Wang Qi Wang Wenlian Xu | 2007 | Dyes and Pigments2007,,1: | 1 |
| 6 | Experience and inspirations of the Mass Drug Administration Programme with artemisinin-piperaquine in Moheli Island of the Comoros assisted by China显示文摘Malaria is one of the major diseases threatening the lives of people in Africa.Over the past decade,China has provided anti-malaria assistance to Africa.In November 2007,fast control malaria team of Guangzhou University of Chinese Medicine cooperated with the Comoros health authority.In Moheli Island of the Comoros,the anti-malaria team adopted a new strategy of Mass Drug Administration(MDA)and active intervention.They established an e ective anti-malaria system and reporting system,as well as a local anti-malaria team.Furthermore,they treated patients with malaria in Moheli Island and implemended health education in local people.In a very short time,they have achieved remarkable results.This paper summarized the experiences of the project in order to provide useful reference for China to better carry out anti-malaria action in Africa and expand foreign health assistance. | Qi Wang Yueming Yun Hongying Zhang Jiawen Guo Wanting Wu Changsheng Deng Bo Huang Zhiyong Xu Qin Xu Jianping Song | 2018 | Global Health Journal2018,2,3: | 1 |
| 7 | 显示文摘 | Wang Hualin Sun Yueming Qi Zhengjian | 2008 | Journal of Southeast University2008,24,2: | 1 |
| 8 | Molecular Electrical Conductor Ni(C_3S_5)_2显示文摘The molecular based electrical conductor Ni(C3S5)2 has been prepared and its conductivity has been measured from room temperature down to 60 K. Above 167 K Ni(C3S5)2 exhibits a semiconductive behaviour, below this temperature it turns to exhibit metallic conductivity. Based on a tight-binding energy band calculation, an expression for the number of conducting electrons has been deduced. The calculated conducting activation energy is quite well in accordance with the measuring value. | Hong LEI (Dept. of Electronic Engineering, Shandong University, Jinan 250100, China)Qi FANG and Minhua JIANG (Institute of Crystal Materials, Shandong University, Jinan 250100, China)Yueming SUN (Dept. of Chemistry Southeast University Nanjing 210093, Ch | 1996 | Journal of Materials Science & Technology1996,12,6: | 1 |
| 9 | Aligning Fe_(2)O_(3)photo-sheets on TiO_(2)nanofibers with hydrophilic and aerophobic surface for boosting photoelectrochemical performance显示文摘Photoelectrochemical(PEC)nanomaterials are critical to producing clean oxygenation or value-added chemical production by utilizing sustainable solar energy,but are always limited by simultaneous integration of architectural engineering and electronic regulation in one structure.Directed by density functional theory(DFT)calculations and finite element analysis(FEA),the bioinspired ivy-like Fe_(2)O_(3)heterostructures with enriched oxygen defects on TiO_(2)nanofibers are designed for boosting PEC performances.Ivy-like Fe_(2)O_(3)photo-sheets remarkably enhanced the light harvesting by multiple light-mater interactions.The oxygen vacancies on Fe_(2)O_(3)photo-sheets could aid the photons catching and promote the reactivity at active sites.More importantly,demonstrated by a well-designed dynamic observation,the abundant tip-edges within ivy-like Fe_(2)O_(3)photo-sheets enabled the surface of heterostructure with hydrophilic and aerophobic properties.The functionalized surface allowed the rapid desorption of produced bubbles and thus ensured a high density of unoccupied active sites for electrolyte accessing.Featured by these attributes,the Fe_(2)O_(3)@TiO_(2)nanofibers delivered an excellent photocurrent of 40.8 mA/mg,high donor density(1.2×10^(18)cm^(−3)),and rapid oxygen production rate(1 mmol/(L∙h)).This work demonstrates a new strategy on nano-structural design for enhancing light-harvesting and making a hydrophilic/aerophobic surface on low-dimensional oxide nanomaterial,holding great potential on designing high-performance PEC devices for producing survival source gas,carbon-neutral fuel,and valuedchemicals. | Xiangyu Meng Qi Zhan Yanan Wu Mengmeng Zhu Ken Liu Na Wang Kuibo Yin Yueming Sun Shuai Dong Yunqian Dai | 2023 | Nano Research2023,16,3: | 0 |
| 10 | Geomorphologic Study of Anhui Section of Changjiang River Using Landsat TM Image显示文摘Fluvial landforms in the Anhui section of the Changjiang(Yangtze)River are often considered as the main factors for frequent floods.It is these special landforms that influence the channel changes of the Changjiang River.Using Landsat TM image of 2000,this paper conducted a series of image processing,including principal component analysis,multi-spectral composition,gray value statistics,and spectral analysis of ground objects.Then it got a new interpretation map of different kinds of fluvial landforms of the Changjiang River in the Anhui section.Based on the interpretation mentioned above,the paper analyzes the distribution and characteristics of such typical landforms as terraces,floodplains and battures,and their functions on the changes of river channel.The results show a consistence with the earlier conclusion that the Anhui section of the Changjiang River tends to deflect gradually toward south,which provides more implications for further study on the geomorphologic evolution of the river channel. | Qi Yueming Tan Haiqiao Liang Xing | 2007 | Chinese Geographical Science2007,17,3: | 0 |
| 11 | Long-term case-fatality rate of nontuberculous mycobacterial disease in people living with HIV显示文摘Background:Few data are available regarding the long-term case-fatality rate(CFR)among people living with HIV(PLWH)with nontuberculous mycobacteria(NTM)disease.The aim of this study is to analyze the long-term CFR in patients with NTM disease and to identify risk factors for their death.Methods:A retrospective cohort study of 379 cases of microbiologically confirmed NTM disease in PLWH was conducted from January 1,2012,to December 31,2020,in Shanghai,China.We used Kaplan-Meier survival analysis and the log-rank test to compare the long-term CFR in patients with disseminated NTM(DNTM)and localized NTM disease.Univariate Cox proportional hazards regression analysis and a stepwise Cox proportional hazards regression model were used to estimate the predictors of long-term CFR.Results:The cohort was followed up for a median of 26 months.The total CFR was 15.7%by one year and increased to 22.6%at 5 years after the diagnosis of NTM disease.The 5-year CFR of PLWH with DNTM was significantly higher than that of PLWH with localized NTM(26.7%vs 19.6%for DNTM and localized NTM disease,respectively).Older age[hazard ratio(HR)=1.04,95%confidence interval(CI):1.02-1.06,P<0.001],comorbidity(HR=2.05,95%CI:1.21-3.49,P<0.01),DNTM(HR=2.08,95%CI:1.17-3.68,P<0.05),and HIV viral load(HR=1.32,95%CI:1.12-1.55,P<0.001)were all independent risk factors for long-term CFR.In the subgroup analysis,time to culture positivity was negatively correlated with CFR in patients with DNTM(HR=0.90,95%CI:0.82-0.98,P<0.05).Conclusions:NTM was associated with a high long-term CFR in PLWH.Further approaches to prevent NTM disease in PLWH are urgently needed. | Jingjing Hu Ling Gu Yueming Shao Renfang Zhang Tangkai Qi Jianjun Sun Zhenyan Wang Wei Song Yang Tang Jiangrong Wang Shuibao Xu Junyang Yang Yinzhong Shen Li Liu Jun Chen Hongzhou Lu | 2022 | Infectious Diseases of Poverty2022,11,1: | 0 |
| 12 | Effect of electromagnetic stirring on flow field in mold under submerged entry nozzle clogging显示文摘A physical model with mercury as analog was developed to investigate the influences of electromagnetic stirring( EMS) on flow field in slab continuous casting when the submerged entry nozzle( SEN) was clogged with different clogging rates( 0,10%,25%,and 50%). The flow field in mold under different EMS currents( 0,40 A,and 60 A) was measured by an ultrasonic Doppler velocimeter. The results proved that the flow field in the mold was a typical double roll structure under non-clogging SEN. As the SEN clogging rate increased,the flow field structure was transformed from a double roll to asymmetry flow. When the clogging rate reached 50%,the up circulation disappeared on the clogged side. The zone under the meniscus near the narrow face was a non-flowing area. EMS could correct bias flowcaused by SEN clogging and improve the symmetry of the flow field during SEN clogging. | GAO Qi ZHOU Yueming LEI Zuosheng | 2016 | Baosteel Technical Research2016,10,1: | 0 |
| 13 | Influence of Different Equations of State on Simulation Results of Supercritical CO_(2) Centrifugal Compressor显示文摘Supercritical CO_(2)(SCO_(2))Brayton cycle has received more and more attention in the field of power generation due to its high cycle efficiency and compact structure.SCO_(2) compressor is the core component of the cycle,and the improvement of its performance is the key to improving the efficiency of the entire cycle.However,the operation of the SCO_(2) compressor near the critical point has brought many design and operation problems.Based on the Reynolds Averaged Navier-Stokes(RANS)model,the performance and flow field of SCO_(2) centrifugal compressors based on different CO_(2) working fluid models are numerically investigated in this paper.The stability and convergence of the compressor steady-state simulation are also discussed.The results show that the fluid based on the Span-Wanger(SW)equation can obtain a more ideal compressor performance curve and capture a more accurate flow field structure,while the CO_(2) ideal gas is not suitable for the calculation of SCO_(2) centrifugal compressors.But its flow field can be used as the initial flow field for numerical calculation of centrifugal compressor based on CO_(2) real gas. | Yueming YANG Bingkun MA Yongqing XIAO Jianhui QI | 2021 | Mechanical Engineering Science2021,3,2: | 0 |
| 14 | Novel polyimide binder for achieving high-rate capability and long-term cycling stability of LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2) cathode via constructing polar and micro-branched crosslinking network structure显示文摘LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(NCM811)material,as the promising cathode candidate for next-generation highenergy lithium-ion batteries,has gained considerable attention for extremely high theoretical capacity and low cost.Nevertheless,the intrinsic drawbacks of NCM811 such as unstable structure and inevitable interface side reaction result in severe capacity decay and thermal runaway.Herein,a novel polyimide(denoted as PI-Om DT)constructed with the highly polar and micro-branched crosslinking network is reported as a binder material for NCM811 cathode.The micro-branched crosslinking network is achieved by using 1,3,5-Tris(4-aminophenoxy)benzene(TAPOB)as a crosslinker via condensation reaction,which endows excellent mechanical properties and large free volume.Meanwhile,the massive polar carboxyl(-COOH)groups provide strong adhesion sites to active NCM811 particles.These functions of PIOm DT binder collaboratively benefit to forming the mechanically robust and homogeneous coating layer with rapid Li+diffusion on the surface of NCM811,significantly stabilizing the cathode structure,suppressing the detrimental interface side reaction and guaranteeing the shorter ion-diffusion and electron-transfer paths,consequently enhancing electrochemical performance.As compared to the NCM811 with PVDF binder,the NCM811 using PI-Om DT binder delivers a superior high-rate capacity(121.07 vs.145.38 m Ah g^(-1))at 5 C rate and maintains a higher capacity retention(80.38%vs.91.6%)after100 cycles at 2.5–4.3 V.Particularly,at the high-voltage conditions up to 4.5 and 4.7 V,the NCM811 with PI-Om DT binder still maintains the remarkable capacity retention of 88.86%and 72.5%after 100 cycles,respectively,paving the way for addressing the high-voltage operating stability of the NCM811 cathode.Moreover,the full-charged NCM811 cathode with PI-Om DT binder exhibits a significantly enhanced thermal stability,improving the safety performance of batteries.This work opens a new avenue for developing high-energy NCM811 based lithium-ion batteries with long cycle-life and superior safety performance using a novel and effective binder. | Yueming Xu Yali Wang Nanxi Dong Chuanzhi Pu Bingxue Liu Guofeng Tian Shengli Qi Dezhen Wu | 2023 | Journal of Energy Chemistry2023,,1: | 0 |