|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | On the radar frequency dependence of polar mesosphere summer echoes显示文摘Polar mesosphere summer echoes(PMSEs)are very strong radar echoes in the polar mesopause in local summer.Here we present the frequency dependence of the volume reflectivity and the effect of energetic particle precipitation on modulated PMSEs by using PMSEs observations carried out by European Incoherent SCATter(EISCAT)heating equipment simultaneously with very high frequency(VHF)radar and ultra high frequency(UHF)radar on 12 July 2007.According to the experimental observations,the PMSEs occurrence rate at VHF was much higher than that at UHF,and the altitude of the PMSEs maximum observed at VHF was higher than that at UHF.Overlapping regions were observed by VHF radar between high energetic particle precipitation and the PMSEs.In addition,highfrequency heating had a very limited impact on PMSEs when the UHF electron density was enhanced because of energetic particle precipitation.In addition,an updated qualitative method was used to study the relationship between volume reflectivity and frequency.The volume reflectivity was found to be inversely proportional to the fourth power of radar frequency.The theoretical and experimental results provide a definitive data foundation for further analysis and investigation of the physical mechanism of PMSEs. | ShuCan Ge HaiLong Li Lin Meng MaoYan Wang Tong Xu Safi Ullah Abdur Rauf Abdel Hannachid | 2020 | Earth and Planetary Physics2020，4，6： | 2 |
| 2 | Reaction Process of Heavy Hydrocarbons Hydrogenation in Ebullated Bed显示文摘The properties and structural changes of unconverted oil(UCO)obtained from ebullated bed hydrogenation at different residue conversion rates were analyzed to clarify the reaction process of heavy components.Meanwhile,the processing routes of UCO,delayed coking,and solvent deasphalting,were investigated.The results showed that with the increase of conversion,the impurity removal rate increased;meanwhile the contents of sulfur and metal in UCO decreased,while the contents of nitrogen and residual carbon increased,and the colloidal stability of UCO became worse.The structural parameters of UCO indicated that the change in molecular structure of heavy oil mainly covered the opening of cycloalkanes ring,hydrogenation saturation of aromatic rings and dealkylation reaction during hydrogenation in the ebullated bed;the aromatic structure was basically unchanged at high conversion,and was mainly due to the ring opening of cycloalkanes and the fracture reaction of alkyl side chains.The coking route of UCO showed that low sulfur petroleum coke with different grades could be prepared by adjusting the conversion in ebullated bed to produce UCOs with different properties.The coke generating coefficient and sulfur transfer coefficient in UCO coking process were higher than those in residue coking.The properties of deasphalted oil(DAO)of UCO were significantly improved and could be used as FCC or hydrocracking feedstock.The DAO yield of UCO feedstock at high conversion was higher,and its sulfur content was lower and CCR value was higher. | Wang Jianjun Tong Yujun Yang Tao Ge Hailong Meng Zhaohui | 2021 | China Petroleum Processing & Petrochemical Technology2021，23，4： | 2 |
| 3 | Rationale and Study Design for Evaluating the Efficacy and Safety of Intracardiac Echocardiography-Guided Minimal-Fluoroscopy Ablation in Patients with Paroxysmal Atrial Fibrillation:A Non-Inferior,Multi-Center,Prospective Randomized Controlled Trial(PAF-ICE Trial)显示文摘The feasibility and safety of intracardiac echocardiography(ICE)-guided catheter ablation for atrial fibrillation(AF)using a minimal/zero-fluoroscopy approach have recently been reported.This approach helps to reduce ionizing radiation exposure and orthopedic complications resulting from using lead aprons.The objectives of this planned prospective,multicenter randomized controlled trial(RCT)(paroxysmal AF(PAF)-ICE trial;ChiCTR2000033624)are to evaluate the efficacy and safety of ICE-guided minimal-fluoroscopy ablation in patients with PAF and the impact on occupational hazards among lab staff.Patients will be randomized in a 1:1 ratio to 2 groups:minimal fluoroscopy group(n=216)and traditional approach group(n=216).In the minimal fluoroscopy group,an ICE catheter will be used for geometry/anatomic construction,transseptal puncture,catheter tracking,and effusion monitoring.Pulmonary vein isolation(PVI)will be performed using an open-irrigated radiofrequency SmartTouch Surround Flow or SmartTouch catheter(Biosense Webster,Diamond Bar,California,USA),and confirmed by a multipolar Lasso or PentaRay catheter(Biosense Webster).In the traditional approach group,an ICE catheter will not be used.Transseptal puncture will be performed under fluoroscopic guidance,with all geometries constructed by mapping the catheters.The primary efficacy endpoint is freedom from AF recurrence(without antiarrhythmic medications)at 12months after ablation.Other endpoints include duration of lead apron use,measures of intra-procedural efficiency,and peri-procedural complications.This RCT will evaluate the efficacy and safety of ICE-guided minimal-fluoroscopy ablation in patients with PAF,also evaluate the benefits to lab staff(regarding reducing occupational hazards)related to this“minimal/zero-fluoroscopy”and“leadless”mode. | Ruhong Jiang Xingpeng Liu Jidong Zhang Yu Chen Rui Wang Mengzuo Wu Deyong Long Jia Li Haixiong Wang Jie Fan Weizhu Ju Weili Ge Xu Liu Hai Deng Weijian Wang Pingzhen Yang Ding Li Xiaobo Huang Xiongtao Liu Hailong Tao Paul CZei Roderick Tung Xunzhang Wang Chenyang Jiang | 2021 | Cardiology Discovery2021，1，4： | 1 |
| 4 | Hydrothermal pretreatment of rice straw at relatively lower temperature to improve biogas production vict anaerobic digestion显示文摘Although the degradation mechanism of straw anaerobic digestion is still obscure,lower temperature thermop hysical pretreatment might be a feasible way to improve biogas fermentation efficiency and net energy production in whole slurry.In this study,the performances of rice straw(RS)degradation and biogas production were examined at different pretreatment temperatures from 90 ℃ to 130℃ to identify the optimal process.With increasing pretreatment temperature,the change in cellulose and hemicellulose degradation in all the tests was directly related to volatile fatty acids(VFAs)content,but did not correspond to the variation in cumulative methane production.Both 100℃ and 130℃presented similar ideal digestion performances with highest methane yields of 127.6 and 124.6 mL/g TS,respectively,which were 22.80%and 19.83%higher than that noted in the control.Although test at 100 ℃pretreatment,which achieved 12.8%higher net energy production from RS than that observed in the control,could be considered as the optimal choice,the surplus biogas could only meet 75.9%of energy requirement for pretreated water temperature shift.Nevertheless,mesophilic or thermophilic fermentation,lower pretreatment water input,and reuse of excess heat are recommended as feasible working conditions for improving net biogas production. | Tao Luo Hailong Huang Zili Mei Fei Shen Yihong Ge Guoquan Hu Xi Meng | 2019 | Chinese Chemical Letters2019，30，6： | 1 |
| 5 | Relationship betweenplasma inflammatory markers and platelet aggregation in patientswith clopidogrel resistance after angioplasty显示文摘 | Hailong Ge Yujie Zhou Xiaoli Liu | 2012 | Angiology2012，63，1： | 1 |
| 6 | Green strategy of scaleably synthesizing copper nanocomposites with remarkable catalytic activity for wastewater treatment显示文摘The functional copper nanocomposites(Cu NCs)have received increasing attention in the environmental catalysis application for wastewater treatment due to their superior catalytic activity and reactivity.However,overcoming the pH limitations towards the neutral and alkaline wastewater remains a tricky challenge.In this work,we demonstrate a green strategy to synthesize Cu NCs with coexistence of active Cu,Cu_(2)O and ZrO_(2)by self-propagating combustion of metallic glassy ribbons,which exhibit the extremely superior catalytic performance for degradation reaction,providing full conversion of organic dyes completely to the environmental friendly small species(efficiency>99%)under acidic,neutral and alkaline conditions.Compared with all other catalysts developed thus far,the novel Cu NCs catalysts with more active sites present much enhanced catalytic capability of degradation efficiency without the use of any chemical reagents for neutral and alkaline organic dye solutions.The possible decomposition pathways of organic dyes for different p H systems were systematically investigated.More importantly,the two kinds of catalytic mechanism related to high reactivity of nanoscale Cu/Cu_(2)O and strong oxidizing capability of activated·OH/·O_(2)^(-)radicals can also be successfully confirmed under different pH conditions.The green synthetic approach can be extended to design the various M-based nanocomposites(M=Fe,Co,Ni,Ag,Pd)as efficient catalysts for the functional applications of many chemical reactions. | Bowen Zhao Hailong Li Zhengkun Li Shaofan Ge Xindong Qin Shiming Zhang Aimin Wang Haifeng Zhang Zhengwang Zhu | 2021 | Journal of Materials Science & Technology2021，，36： | 0 |
| 7 | Intelligent Patent Retrieval Model显示文摘 | Zhenhua Ge Hailong Bao Jinlin Li | 2004 | China-USA Business Review2004，3，10： | 0 |
| 8 | Spatial distribution and export of nutrients and metal elements in the subterranean estuary of Daya Bay显示文摘Subterranean estuaries(STE)are important seawater-groundwater mixing zones with complex biogeochemical processes,which play a vital role in the migration and transformation of dissolved materials.In this study,we first investigated the spatial distributions of dissolved inorganic nitrogen(DIN),dissolved inorganic phosphorous(DIP),dissolved inorganic silicon(DSi)and metal elements(As,Ba,Cr,Cu,Fe,Mn,Ni,Pb,and Zn)in STE including upper intertidal,seepage face and subtidal zones.We then estimated submarine groundwater discharge(SGD)and associated nutrient and metal element fluxes.From the generalized Darcy’s law method,SGD was estimated to be 30.13 cm/d,which was about 7 times larger than the inflow(4.16 cm/d).The nutrient and metal fluxes from SGD were estimated to be(5.33±4.99)mmol/(m^(2)·d)for DIN,(0.22±0.03)mmol/(m^(2)·d)for DIP,(16.20±2.05)mmol/(m^(2)·d)for DSi,(1325.06±99.10)μmol/(m^(2)·d)for Fe,(143.41±25.13)μmol/(m^(2)·d)for Mn,(304.06±81.07)μmol/(m^(2)·d)for Zn,(140.21±13.33)μmol/(m^(2)·d)for Cu,(84.49±2.94)μmol/(m^(2)·d)for Pb,(37.38±5.51)μmol/(m^(2)·d)for Ba,(27.88±3.89)μmol/(m^(2)·d)for Cr,(10.10±6.33)μmol/(m^(2)·d)for Ni,and(6.25±3.45)μmol/(m^(2)·d)for As.The nutrient and metal fluxes from SGD were relatively higher than those from the inflow,suggesting that nearshore groundwater acted as the sources of nutrients and metal elements discharging into the sea.The environmental potential pollution of coastal seawater was evaluated by pollution factor index(Pi),comprehensive water quality index(CWQI),and ecological risk index(ERI).Pb mainly caused potential danger of nearshore environment with considerable contamination(Pi=5.78±0.19),heavy pollution(CWQI=4.09)and high ecological risk(ERI=18.00).This study contributed to better understanding the behavior of nutrients and metal elements and improving the sustainable management of STE under the pressure of anthropogenic activities and climate change. | Zhaoxi Liu Mingchen Ge Qianqian Wang Xuejing Wang Kai Xiao Gang Li Hailong Li | 2023 | Acta Oceanologica Sinica2023，42，8： | 0 |
| 9 | Comparison of the reaction of polar mesosphere winter echoes and polar mesosphere summer echoes to high-frequency heating in terms of modulated characteristics显示文摘In this work,for the first time,we have analyzed and compared the responses of polar mesosphere winter echoes(PMWE)and their summer counterpart,polar mesosphere summer echoes(PMSE),to high-frequency(HF)heating in terms of modulated characteristics(i.e.,backscatter intensity reduction,recovery,and overshoot).Both PMWE and PMSE observations were from the same site(Tromsφ,Norway;69.6°N,19.2°E)and radar(EISCAT[European Incoherent Scatter Scientific Association]very high frequency,224 MHz).The heating patterns of both PMWE and PMSE were found to be similar;however,PMSE was more greatly affected by HF heating.Polar mesosphere summer echoes showed recovery and overshoot more frequently than did PMWE.In addition,the mean recovery and overshoot of PMSE were greater than those of PMWE.The associated electron temperature enhancement was estimated for both PMWE and PMSE and showed that,compared with PMWE,the electron temperature enhancement was more significant in PMSE.The strong heating effects on PMSE may be due to the considerable increase in electron temperature. | Safi Ullah HaiLong Li Abdur Rauf Shahid Ullah Khan Sufyan Ullah Khan ShuCan Ge Bin Wang MaoYan Wang Lin Meng | 2023 | Earth and Planetary Physics2023，7，2： | 0 |
| 10 | Broadband 1T-polytype tantalum disulfide saturable absorber for solid-state bulk lasers显示文摘1T-polytype tantalum disulfide(1T-TaS_(2)),an emerging strongly correlated material,features a narrow bandgap of 0.2 e V,bridging the gap between zero-bandgap graphene and large-bandgap 2D nonlinear optical(NLO)materials.Combined with its intense light absorption,high carrier concentration,and high mobility,1T-TaS_(2) shows considerable potential for applications in broadband optoelectronic devices.However,its NLO characteristics and related applications have rarely been explored.Here,1T-TaS_(2) nanosheets are prepared by chemical vapor deposition.The ultrafast carrier dynamics in the 400–1100 nm range and broadband NLO performance in the 515–2500 nm range are systematically studied using femtosecond lasers.An obvious saturable absorption phenomenon is observed in the visible to IR range.The nonlinear absorption coefficient is measured to be-22.60±0.52 cm MW-1under 1030 nm,which is larger than that of other typical 2D saturable absorber(SA)materials(graphene,black phosphorus,and MoS_(2))under similar experimental conditions.Based on these findings,using 1T-TaS_(2) as a new SA,passively Q-switched laser operations are successfully performed at 1.06,1.34,and 1.94μm.The results highlight the promise of 1T-TaS_(2) for broadband optical modulators and provide a potential candidate material system for mid-IR nonlinear optical applications. | MENGXIA WANG HAILONG QIU TIANWEN YANG ZHENGPING WANG CHUANRUI ZHAO YUANAN ZHAO TING YU YUYAO JIANG MEILING CHEN YAFEI LIAN GE ZHANG HONGJUN LIU ZHANGGUI HU JIANDA SHAO | 2022 | Photonics Research2022，10，9： | 0 |
| 11 | Characteristic analysis of layered PMSEs measured with different elevation angles at VHF based on an experimental case显示文摘Polar Mesosphere Summer Echoes(PMSEs)are very strong radar echoes observed at altitudes near the polar summer mesopause.One of the essential properties of these radar echoes is that they can give useful diagnostic information about the physics of the scattering process.In this paper,the related characteristics of PMSEs measured with the European Incoherent SCATter Very High Frequency(EISCAT VHF)224 MHz radar on 13–15 July 2010 are studied at different elevation angles from 78°to 90°.It is found that the PMSEs peak power and strongest PMSEs average power occur at the same elevation angles.Also interesting is that the strongest PMSEs occur at off-vertical angles when a PMSEs has a layered(multilayer)structure.And reflection may have more significant effects on PMSEs when there are double or multilayer PMSEs.Possible explanations regarding these observations are discussed. | ShuCan Ge HaiLong Li Bin Xu Tong Xu Lin Meng MaoYan Wang Abdel Hannachi MengYan Zhu Lina Broman Safi Ullah Abdur Rauf | 2021 | Earth and Planetary Physics2021，5，1： | 0 |
| 12 | Virtual screening of the inhibitors targeting at the viral protein 40 of Ebola virus显示文摘Background:The Ebola virus is highly pathogenic and destructive to humans and other primates.The Ebola virus encodes viral protein 40(VP40),which is highly expressed and regulates the assembly and release of viral particles in the host cell.Because VP40 plays a prominent role in the life cycle of the Ebola virus,it is considered as a key target for antiviral treatment.However,there is currently no FDA-approved drug for treating Ebola virus infection,resulting in an urgent need to develop effective antiviral inhibitors that display good safety profiles in a short duration.Methods:This study aimed to screen the effective lead candidate against Ebola infection.First,the lead molecules were filtered based on the docking score.Second,Lipinski rule of five and the other drug likeliness properties are predicted to assess the safety profile of the lead candidates.Finally,molecular dynamics simulations was performed to validate the lead compound.Results:Our results revealed that emodin-8-beta-D-glucoside from the Traditional Chinese Medicine Database(TCMD)represents an active lead candidate that targets the Ebola virus by inhibiting the activity of VP40,and displays good pharmacokinetic properties.Conclusion:This report will considerably assist in the development of the competitive and robust antiviral agents against Ebola infection. | V.Karthick N.Nagasundaram C.George Priya Doss Chiranjib Chakraborty R.Siva Aiping Lu Ge Zhang Hailong Zhu | 2016 | Infectious Diseases of Poverty2016，5，1： | 0 |
| 13 | Exploring the occurrence rate of PMSE-Es by Digisonde at Tromsø显示文摘Polar mesosphere summer echoes(PMSE)are observed simultaneously with Digisonde and EISCAT VHF radar.The phenomenon of irregular Es layers is called PMSE-like or PMSE-Es(Polar Mesosphere Summer Echoes-Es)and has some relationship with real PMSE.In this paper,the characteristics of irregular Es layers at 80–100 km were observed by Digisonde at Tromsøduring 2003–2014 are statistically analyzed with ionograms.The diurnal,day-to-day and year-to-year variations and discrepancies of occurrence rate between PMSE and PMSE-Es are compared with the statistical results observed by Esrange MST radar(ESRAD),and the reasons are discussed.The results show that the trends in the occurrence rate of PMSE-Es are similar to the trends in the occurrence rate of PMSE,but there are some notable differences.The occurrence rate of PMSE-Es is much lower than the occurrence rate of PMSE.The minimum value of PMSE-Es appears 1–2 hours earlier than the minimum value of the PMSE occurrence rate,while PMSE-Es appear earlier than PMSE in the year.In addition,there is a significant positive correlation between the annual average occurrence rates of PMSE and PMSE-Es.PMSEEs is a relatively important occurrence in the polar mesopause.Analysis of its characteristics can provide new ideas and methods for studying the formation mechanism of PMSE. | HaiLong Li ShuCan Ge Lin Meng MaoYan Wang Abdur Rauf Safi Ullah | 2021 | Earth and Planetary Physics2021，5，2： | 0 |
| 14 | Effect of ions on conductivity and permittivity in the Polar Mesosphere Summer Echoes region显示文摘For the first time,the effect of ions on complex conductivity and permittivity of dusty plasma at Polar Mesosphere Summer Echoes(PMSE)altitude is analyzed.Because of ions higher mass and smaller thermal velocity,generally,their effects are not considered in the study of electromagnetic properties of dusty plasmas.In this study,we modified the equations of conductivity and permittivity by adding the effect of ions.In the PMSE altitude region between 80 and 90 km,a local reduction in electron density(i.e.,an electron biteout),is produced by electron absorption onto dust particles.The bite-out condition contains high dust density and smaller electron density.From simulation results in comparatively strong bite-out conditions,we found that the ion effects on conductivity become significant with smaller dust size,lower electron temperature,and lower neutral density.For comparatively weak bite-out conditions,the ion effects on conductivity become significant with larger dust size,higher electron temperature,and higher neutral density.On the other hand,for different dust sizes,electron temperatures and neutral density,the ion effects on complex permittivity become significant only in very strong bite-out conditions.Based on these simulation results,we conclude that,in the absence of electron bite-out conditions,the effect of ions on complex conductivity and permittivity is not significant and can be ignored.However,during bite-out conditions,the effect of ions becomes significant and cannot be ignored because it significantly changes the conductivity and permittivity of dusty plasmas. | Safi Ullah HaiLong Li Abdur Rauf Lin Meng Bin Wang ShuCan Ge MaoYan Wang | 2021 | Earth and Planetary Physics2021，5，2： | 0 |
| 15 | LncRNA-POIR knockdown promotes hepatocellular carcinoma sensitivity to sorafenib through upregulating miR-182-5p and inhibiting autophagy显示文摘Although sorafenib has been found to prolong the survival time of patients with hepatocellular carcinoma(HCC),sorafenib resistance remains an important challenge.Increasing studies have demonstrated that long noncoding RNAs(lncRNAs)contribute to drug resistance in a wide number of cancers.Human periodontal ligament stem cell(PDLSC)osteogenesis impairment-related lncRNA(POIR)is a recently defined lncRNA for which little is known regarding its function.Our study aimed to reveal the role of POIR in the development of HCC cell sorafenib resistance.The level of POIR expression in patients and tumor cells was examined by Reverse transcription-quantitative polymerase chain reaction(RT-qPCR)assay.CCK-8,EdU,and flow cytometry assay were adopted to examine cell viability,proliferation,and apoptosis,respectively.The autophagy-associated protein expressions were determined by western blotting and autophagic flux analysis.The results of this study exhibited increased POIR in HCC tissues and cells and may be correlated with sorafenib resistance.Knockdown of POIR elevated sorafenib sensitivity by suppressing autophagy in HCC cells.Mechanically,POIR knockdown upregulated miR-182-5p,implying that miR-182-5p mediates POIR regulation.MiR-182-5p overexpression significantly enhanced chemosensitivity to sorafenib,whereas miR-182-5p inhibition had the opposite effect.The sensitization of POIR siRNA to sorafenib was abolished by co-transfection with miR-182-5p inhibitor.Our findings provide a potential target for further clinical treatment of sorafenib-resistant HCC patients. | JIAN XU HAILONG GE CHEN CHAO FENG MO YU WANG DENGKUI ZHANG XIAOXIAO ZHENG LI ZHENG XUEMEI LU WEI CHEN QUN XU WEIXIN YU | 2022 | BIOCELL2022，46，6： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员