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| 1 | In situ boron isotope measurements of natural geological materials by LA-MC-ICP-MS显示文摘There are two main methods to determine boron isotopic composition.One is the solution method,in which boron is purified after the samples are dissolved in solution and the boron isotope ratios are determined by thermal ionization mass spectrometry(P-TIMS and N-TIMS) or multicollector inductively coupled plasma mass spectrometry(MC-ICP-MS).The other is an in-situ analysis method,in which the in-situ boron isotopic ratios in minerals are analyzed directly using secondary ion mass spectrometry(SIMS) or laser ablation multicollector inductively coupled plasma mass spectrometry(LA-MC-ICP-MS).In the in-situ analysis method for boron isotopes,the multifarious chemical purification and separation processes of the solution method are avoided,with increased work efficiency.In addition,the microzones and microbeddings of minerals can be analyzed in-situ to reveal the fine processes and conditions of mineral formation.In this study,using the standard-sample-bracketing(SSB) method,mass bias of the instrument and the fractionation of isotopes were calibrated,and the in-situ determination method of LA-MC-ICP-MS for boron isotopes was established.Through detailed analyses on a series of boron isotope standards and samples,a matrix effect was assessed but not detected,and the analysis results were in accordance with the formerly reported values or P-TIMS determined values,within the error range.The analytical results for IAEA B4 and IMR RB1 with relatively high boron contents were δ 11B =-(8.36±0.58)‰(2σ,n=50) and δ 11B =-(12.96±0.97)‰(2σ,n=57),respectively;the analytical result for IAEA B6 with rela-tively low boron content was δ 11B =-(3.29±1.12)‰(2σ,n=35).In-situ measurements for B isotopes were performed on geo-logical samples such as tourmaline,ulexite,ludwigite,inyoite and ascharite,with the results consistent with those determined by P-TIMS,within the error range. | HOU KeJun LI YanHe XIAO YingKai LIU Feng TIAN YouRong | 2010 | Chinese Science Bulletin2010，55，29： | 13 |
| 2 | The Oxidation State of Sulfur Detected in Na_2O-CaO-SiO_2 Float Glass by X-ray Absorption Near Edge Structure Spectra显示文摘The oxidation state of sulfur is detected in Na2O-CaO-SiO2 float glass by synchrotron radiation X-ray absorption near edge structure (XANES) spectra at the sulfur K edge. The measured spectra show the only presence of S6+ in the Na2O-CaO-SiO2 float glass and the oxidation state of sulfur do not change with the increase of glass depth. It is also found that, after the melt has gone through the molten tin bath, the S6+ is the dominant species, but S2- is also present on both surfaces. It is not certain whether cation bonds to S2- or not, because there are many cations dissolved in the melted tin which makes the spectrum complicated. | 孟政 JIANG Hong HUANG Yourong LI Changjiu WANG Jinzhen CUI Zhu | 2013 | Journal of Wuhan University of Technology(Materials Science)2013，28，1： | 6 |
| 3 | Asymptotic solution of thermocapillary convection in two immiscible liquid layers in a shallow annular cavity显示文摘The steady laminar two-dimensional thermocapillary convection of two superposed horizontal liquid layers in a shallow annular cavity was investigated using asymptotical analysis.The liquids were supposed to be immiscible with a nondeformable interface.The cavity was heated from the outer cylindrical wall and cooled at the inner wall.Bottom and top surfaces were rigid and adiabatic.Asymptotic solutions were obtained in the core region in the limit as the aspect ratio,which was defined as the ratio of the lower layer thickness to the gap width,and trended to zero.The numerical experiments were also carried out to compare with the asymptotic solution of the steady two-dimensional thermocapillary convection.It is found that the expressions of velocity and temperature fields in the core region are valid in the limit of the small aspect ratio. | LI YouRong,WANG ShuangCheng,WU ShuangYing & SHI WanYuan College of Power Engineering,Chongqing University,Chongqing 400044,China | 2010 | Science China(Technological Sciences)2010，53，6： | 6 |
| 4 | A Cold Model Experimental Study on the Flow Characteristics of Bed Material in a Fluidized Bed Bottom Ash Cooler in a CFB Boiler显示文摘A cold model experimental study on the flowing characteristics of bed material between a fluidized bed ash cooler and a furnace of CFB boiler were discussed in this paper. The research results showed that flowing status of the bed material in a bubbling bed, which was run with a circulating fluidized bed together in parallel operation, was influenced by the pressure difference between the CFB and the bubbling bed, the switch status of unlocking air, and the structure of the exit of the bubbling bed. There was a circulating flow of bed material between CFB and bubbling bed. | Lu Xiaofeng,Li Yourong (Institute of Thermal Energy Engineering, Chongqing University, Chongqing, 400044, China) | 2000 | Journal of Thermal Science2000，9，4： | 5 |
| 5 | Rapid genome evolution in Pms1 region of rice revealed by comparative sequence analysis显示文摘Pms1, a locus for photoperiod sensitive genic male sterility in rice, was identified and mapped to chromosome 7 in previous studies. Here we report an effort to identify the candidate genes for Pms1 by comparative sequencing of BAC clones from two cultivars Minghui 63 and Nongken 58, the parents for the initial mapping population. Annotation and comparison of the sequences of the two clones resulted in a total of five potential candidates which should be functionally tested. We also conducted com-parative analysis of sequences of these two cultivars with two other cultivars, Nipponbare and 93-11, for which sequence data were available in public databases. The analysis revealed large differences in sequence composition among the four genotypes in the Pms1 region primarily due to retroelement activity leading to rapid recent growth and divergence of the genomes. High levels of polymorphism in the forms of indels and SNPs were found both in intra- and inter-subspecific comparisons. Dating analysis using LTRs of the retroelements in this region showed that the substitution rate of LTRs was much higher than reported in the literature. The results provided strong evidence for rapid genomic evolution of this region as a consequence of natural and artificial selection. | YU JinSheng FAN YouRong LIU Nan SHAN Yan LI XiangHua ZHANG QiFa | 2007 | Chinese Science Bulletin2007，52，7： | 4 |
| 6 | A comparative study on thermo-economic performance between subcritical and transcritical Organic Rankine Cycles under different heat source temperatures显示文摘In this paper, the net power output, exergy efficiency and levelized energy cost of system were selected as performance indicators for assessing Organic Rankine Cycle(ORC). Firstly, the turbine inlet temperature and pressure meeting the requirement of pinch point temperature difference of evaporator in transcritical ORC(trans-ORC) were determined based on performance optimization. Subsequently, the thermo-economic performance of a subcritical ORC(sub-ORC) using R601 as working fluid and a trans-ORC using R134 a as working fluid were compared under different heat source temperatures and a fixed outlet temperature of flue gas. Results show that for trans-ORC, when the pinch point temperature difference of evaporator lies between the inlet and outlet of evaporator, a lower inlet pressure of turbine is favorable; when the pinch point temperature difference of evaporator is located at the outlet of evaporator, there exists an optimal inlet pressure of turbine. Either for sub-ORC or trans-ORC, the net power output increases and levelized energy cost decreases with the increase in heat source temperature. For sub-ORC,exergy efficiency of system increases monotonously with heat source temperature, while for trans-ORC, exergy efficiency of system grows up firstly and then reduces(or keeps constant) with the increasing of heat source temperature. Moreover, for net power output and exergy efficiency of system, there exist a range of heat source temperatures making trans-ORC better than sub-ORC, and the heat source temperature region extends with the increase in pinch point temperature difference of evaporator. For levelized energy cost of system, the sub-ORC is always superior to trans-ORC. | Shuangying Wu Chun Li Lan Xiao Chao Liu Yourong Li | 2014 | Chinese Science Bulletin2014，59，33： | 3 |
| 7 | 胎儿期恰逢1959~1961年饥荒的中国成人精神分裂症的发病率显示文摘背景:精神分裂症是一种常见的中度精神障碍。子宫内营养缺乏可增大患精神分裂症的危险。其主要依据来自1944~1945年荷兰饥饿冬天(Dutch Hunger Winter)研究,当时食品摄入在短期内极剧下降。这项有关饥荒期间受孕人群的大型队列研究显示,发生精神分裂症的危险增大两倍。
目的:确定经受1959~1961年大饥荒的中国人是否有相似的结果。
设计、地点及参试者:发生精神分裂症危险的调查于安徽省芜湖地区进行,这是当初受灾最重的地区之一。对饥荒之前、饥荒期间和饥荒以后出生的人群发病率进行比较。芜湖及其周围6个县是由一所精神病院负责的。对1971~2001年所有的精神病病历记录均进行检查。精神分裂症患者的临床和社会人口学资料由对自然灾害暴露情况不知情的研究者摘录。有关饥荒年出生人数和死亡人数的数据是有效可用的,累积死亡率根据以后的人口学调查进行估计。
主要观测指标:饥荒的证据已经核实,计算未校正的以及对死亡率进行校正后的发生精神分裂症的相对危险度。
结果:安徽省的出生率(每1000人)在饥荒期问降低了约80%,从1958年的28.28降至1959年的20.97、1960年的8.61和1961年的11.06。在饥荒期间出生的人,晚年发生精神分裂症的校正后危险明显增高,从1959年的0.84%增至1960年的2.15%和1961年的1.81%。死亡率校正相对危险在1960年出生者为2.30(95%可信区间,1.99~2.05),1961年出生者为1.93(95%可信区间,1.68~2.23)。
结论:我们的调查重复了荷兰不同种族人群的数据,结果显示,出生前遭受饥荒可增高晚年患精神分裂症的危险。 | David St Clair Mingqing Xu Peng Wang Yaqin Yu Yourong Fang Feng Zhang Xiaoying Zheng Niufan Gu Guoyin Feng Pak Sham Lin He 张继志(译) | 2006 | 美国医学会杂志(中文版)2006，25，4： | 3 |
| 8 | EFFECT OF LASER SCANNING SPEED ON PHASE CONSTITUTION AND WEAR RESISTANCE OF LASER CLADDING HARD FACING ALLOY STELLITE 12显示文摘Effect of laser scanning speed on phase constitution,microstructure,microhardness and wearresistance of laser-cladding hard facing alloy Stellite 12 has been investigated by means of across-flow-type CO2 laser of 1.5 kW.The laser-cladding layer on the alloy consists of ma-trix phase of suppersaturated solid solution γ(Co,Cr)and complex hexagonal carbideM7C3.Under certain condition,at higher laser scanning speed,the suppersaturated solubilityof elements increases in γ(Co,Cr),and the precipitation of the complex carbtde M7C3 de-creases,so the microhardness increases and the wear resistance decreases.But at slower laserscanning speed,more complex carbide M7C3 may precipitate,and the wear resistance may beimproved.Therefore,it is believed that the principal factor in improving wear resistance is theprecipitation of carbide M7C3,while increment of microhardness is the suppersaturated solu-bility of elements in matrix phase γ(Co,Cr). | XU Yourong ZHANG Henghua CHEN Darning XIE Fuchun XU Mingyu Shanghai University of Science and Technology,Shanghai,ChinaCHEN Lanying SU Baorong QIAN Hongbin Shanghai Optics and Fine Mechinery Research Institute,Academia Sinica,Shanghai,China XU Yourong,professor,Department of Materials Science and Engineering,Shanghai University of Science and Technology,Shanghai 201800,China | 1993 | Acta Metallurgica Sinica(English Letters)1993，6，5： | 3 |
| 9 | Channel Estimation for Full-Duplex Relay Transmission in Cloud Radio Access Networks显示文摘Relay in full-duplex(FD) mode can achieve higher spectrum efficiency than that in half-duplex mode,while it is crucial to suppress relay self-interference to ensure transmission quality which requires instantaneous channel state information(CSI). In this paper,the channel estimation issue in FD amplify-andforward relay networks is considered,where the training-based estimation technique is adopted. Firstly,the least square(LS) estimation is implemented to obtain composite channel coefficients of source-relay-destination(SRD) channel and relay loop-interference(LI) channel in order to assist destination in performing data detection. Secondly,both LS and maximum likelihood estimation methods are utilized to perform individual channel estimation aiming at supporting successive interference cancelation at destination. Finally,simulation results demonstrate the effectiveness of both composite and individual channel estimation,and the presented ML method can achieve lower MSEs than LS solution. | HU Chunjing LI Jian MAO Zhendong BAN Yourong | 2015 | China Communications2015，12，11： | 2 |
| 10 | Local delivery of arsenic trioxide nanoparticles for hepatocellular carcinoma treatment显示文摘Hepatocellular carcinoma(HCC)is a malignancy with a poor prognosis.Surgery combined with chemotherapy has been recommended as a curative regimen for HCC.Nevertheless,the anticancer mechanisms of chemicals in hepatocellular carcinoma remain unclear.Pyroptosis is a type of programmed necrosis,and its mechanism in hepatocellular carcinoma is poorly understood.The efficacy and mechanism of arsenic trioxide nanoparticles in the treatment of HCC were explored in this research.Arsenic trioxide alone and arsenic trioxide nanoparticles were conveniently administered to mice intratumorally using a needle.Compared with As_(2)O_(3),As_(2)O_(3)nanoparticles(As_(2)O_(3)-NPs)showed better inhibition,promoted greater LDH release,and induced cell morphology indicative of pyroptosis in vitro.Compared with the free drug,As_(2)O_(3)-NPs increased GSDME-N expression and decreased Dnmt3a,Dnmt3b,and Dnmt1 expression in Huh7 cells.In vivo,As_(2)O_(3)-NPs induced a significant decrease in the expression of Dnmt3a,Dnmt3b and Dnmt1,but significantly upregulated the expression of GSDME-N(gasdermin E(GSDME)was originally found to be related to deafness;recently,it has been defined as a gasdermin family member associated with pyroptosis).As_(2)O_(3)-NPs inhibited tumor growth more strongly than As_(2)O_(3)or control,a finding likely attributed to the downregulation of PCNA and DNMT-related proteins and the upregulation of GSDME-N. | Jian Hu Yi Dong Li Ding Yang Dong Zhihua Wu Wenping Wang Ming Shen Yourong Duan | 2019 | Signal Transduction and Targeted Therapy2019，4，1： | 2 |
| 11 | Improvement of cardiac function by hepatocyte growth factor via intracoronary transfection in the swine myocardial infarction model显示文摘Objective:To study the amelioration effect of Adenovirus5-mediated human hepatocyte growth factor(Ad5-HGF)on postinfarction heart failure in the swine myocardial infarction model.Methods:Twelve SuZhong young swine were randomly divided into 2 groups with 6 swine in each group:Ad5-HGF-treated group and null-Ad5 group.Four weeks after ligation at left anterior descending coronary artery in swine hearts,Ad5-HGF was transferred to the swine myocardium.Simultaneously,Gated myocardial perfusion imaging was performed to evaluate cardiac perfusion and heart function.After three weeks,Gated myocardial perfusion imaging was performed again,then the hearts were harvested and sectioned to examine the expression of HGF through ELISA.Results:High expression of human HGF was observed in the myocardium of Ad5-HGF-treated group.From 4 weeks to 7 weeks after operation,Left ventricular ejection fraction was increased in Ad5-HGF-treated group.The improvement in LVEF was greater in Ad5-HGF-treated group than that in null-Ad5 group at 7 weeks after operation.Cardiac perfusion was significantly improved in the Ad5-HGF-treated group.Conclusion:High expression of human HGF was observed in the myocardium through intracoronary transfection,which suggests that HGF can ameliorate heart function in swine with postinfarction heart failure. | Wei Wang Zhijian Yang Dongchao Ma Shunlin Xu Yourong Zhang Yuqing Zhang Liansheng Wang Bo Chen Kejiang Cao Wenzhu Ma | 2006 | Journal of Nanjing Medical University2006，20，4： | 2 |
| 12 | Two-dimensional numerical simulation of thermocapillary convection in detached solidification显示文摘Numerical simulations of flow in the melt(CdZnTe) with different conditions are conducted using the finite-difference method.When the top surface of the melt is solid wall under microgravity condition,the thermocapillary convection is caused in the melt by the surface tension gradient on the free surface.As the Marangoni number is small,the flow is steady thermocapillary convection.As the Marangoni number exceeds the critical value,the steady flow transits into unstable thermocapillary convection.When the top surface of the melt is free surface under microgravity,two roll cells are observed in the melt,which are driven by both the surface tension gradients on the upper and lower free surfaces.When the top surface of the melt is free surface under gravity condition,the effect of the buoyancy on the flow is little as the Marangoni number is small.With the Marangoni number increasing,the effect of the buoyancy increases,which makes the upper roll cell weaken and the lower roll cell strengthen. | PENG Lan FAN JuYan LI YouRong MENG HaiYong | 2012 | Science China(Technological Sciences)2012，55，2： | 2 |
| 13 | Instability of forced flow in a rotating cylindrical pool with a differentially rotating disk on the free surface显示文摘The instability of forced flow in a rotating cylindrical pool with a differentially rotating disk on the free surface is investigated through a series of unsteady three-dimensional numerical simulations.The results show that the basic flow state of this system is axisymmetric and steady,but has rich structures at the meridian plane.However,when the rotation Reynolds number exceeds a critical value,the flow will undergo a transition to three-dimensional oscillatory flow,characterized by the velocity fluctuation waves traveling in the azimuthal direction.The main characteristics of the flow patterns are presented,including the propagating direction,velocity,amplitude and wave number,which depend on the rotation rates and directions of the disk and the cylindrical pool,and the critical conditions for the onset of oscillatory flow are also determined.For the case of disk-only rotation,the centrifugal instability is responsible for the flow transition,and when the disk isoand counter-rotates with the cylindrical pool,the mechanisms for the transition are elliptic and of circular shear instabilities,respectively. | WU ChunMei & LI YouRong College of Power Engineering,Chongqing University,Chongqing 400044,China | 2010 | Science China(Technological Sciences)2010，53，9： | 2 |
| 14 | Comparison ofHVOF and plasma-sprayed alumina/titania coatings-microstructure,mechanical properties and abrasion behavior显示文摘 | Liu Yourong Traugott E F Dent A | 2003 | Surface and Coatings Technology2003，167，1： | 1 |
| 15 | Synthesis of LiNi 1/3 Co 1/3 Mn 1/3 O 2 as a cathode material for lithium battery by the rheological phase method显示文摘 | Haibo Ren Yourong Wang Daocong Li Lihua Ren Zhenghe Peng Yunhong Zhou | 2008 | Journal of Power Sources2008，，1： | 1 |
| 16 | Clo- ning and characterisation of the gene encoding HMG- CoA reductase from Taxus media and its functional identification in yeast显示文摘 | Liao Zhihua Tan Qiumin Chai Yourong | 2004 | Functional Plant Biology2004，31，1： | 1 |
| 17 | Comparison of HVOF and plasma-sprayed alumina/titania coatings microstructure,mechanical properties and abrasion behavior显示文摘 | Traugott E Fischer | 2003 | Surface and Coatings Technology2003，167，7： | 1 |
| 18 | Prediction of properties of Al2O3-C refractory based on microstructure by an improved generalized self-consistent scheme显示文摘 | Zhigang Wang Jianyi Kong Yourong Li Nan Li | 2005 | Metallurgical and Materials Transactions B2005，，5： | 1 |
| 19 | Optode Membrane for generation of its bromoethane derivative 显示文摘 | Choi M M F Wu Xiaojun Li determination of nicotine via Yourong | 1999 | Analytical Chemistry1999，71，7： | 1 |
| 20 | Enhanced electrochemical performance of unique morphological LiMn- PO4/C cathode material prepared by solvothermal method 显示文摘 | Wang Yourong Yang Yifu Yang Yanbao | 2010 | Solid State Comm2010，150，81： | 1 |
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