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| 1 | Oil maturity assessment using maturity indicators based on methylated dibenzothiophenes显示文摘Aromatic fractions of 140 oils and condensates that originated from different types of source rocks(marine shale, terrestrial shale and marine carbonate) were analyzed using gas chromatography–mass spectrometry(GC–MS) to investigate the relative distributions of methylated dibenzothiophenes with respect to thermal maturity. The positions of methyl groups of trimethyldibenzothiophene isomers(TMDBTs) including those used in the definition of maturity indicator TMDBT index in previous studies were firmly identified by co-elution of internal standards in GC–MS analysis and by comparing with reported retention indices. A new maturity ratio related to dimethyldibenzothiophenes(DMDBTs) is proposed on the basis of the differences in thermodynamic stability among different DMDBT isomers. Another maturity index(TMDBT-I2) based on TMDBTs is also suggested on the basis of our empirical observations and presumed thermodynamic stability of TMDBT isomers. These two newly proposed(2,6 + 3,6)-/1,4-DMDBT ratio and TMDBT-I2 correlate well with MDR(4-/1-methyldibenzothiophene) and 2,4-/1,4-DMDBT ratios, suggesting their common chemical reaction mechanisms and similar behavior with increasing maturity. Therefore, they can be effectively applied for maturity assessments. Furthermore, the TMDBTs related maturity parameters are more reliable for over-mature oils and condensates due to the relatively higher concentrations of thermodynamically unstable TMDBT isomers, i.e. 1,4,6-, 1,4,8- and 3,4,6-TMDBT in this study than those of 1-methyldibenzothiophene(1-MDBT) or 1,4-DMDBT. In contrast with 4,6-/1,4-DMDBT, the newly proposed(2,6 + 3,6)-/1,4-DMDBT ratios for oils that originated from different types of source rocks have approximately same relationship with the oil maturity(Rc %). This suggests that the lithology and organic facies may have relatively less influence on(2,6 + 3,6)-/1,4-DMDBT ratio compared to 4,6-/1,4-DMDBT. The maturity parameters based on methylated dibenzothiophenes are particularly useful in the maturity assessments of post- and over-mature oils and condensates and can complement maturity indicators based on steranes and terpanes. | Li Meijun Wang T.-G Shi Shengbao Zhu Lei Fang Ronghui | 2014 | Petroleum Science2014，11，2： | 13 |
| 2 | Development of Light Cycle Oil(LCO) Hydrocracking Technology over a Commercial W-Ni Based Catalyst显示文摘Because of its high density and low cetane number, the light cycle oil(LCO) containing heavy aromatics(60%—80%) can hardly be transformed through the conventional hydro-upgrading technology. In this report, a novel LCO hydrocracking technology(FD2G) was proposed for the utilization of LCO to manufacture high value-added products. Through the ingenious combination of hydroprocessing catalyst and the hydrocracking process, the high octane gasoline and the ultra-low sulfur diesel(ULSD) blendstocks were produced simultaneously. The influence of catalyst type, reaction temperature, pressure, respectively, on the research octane number(RON) of produced gasoline was studied in a fixed bed hydrogenation reactor. It indicated that high reaction temperature and medium pressure would favor the production of highoctane gasoline through the conversion of bi-aromatic and tri-aromatic hydrocarbons. The typical results of FD2 G technology on commercial units showed that it could produce clean diesel with a sulfur content of less than 10 μg/g and clean gasoline with a research octane number(RON) of up to 92. It would be contributed to the achievement of the maximum profit of a refinery, the FD2 G technology could provide a higher economic efficiency than the other diesel quality upgrading technology under the current gasoline and diesel price system. | Peng Chong Yang Xuejing Fang Xiangchen Huang Xinlu Cheng Zhenmin Zeng Ronghui Guo Rong | 2015 | China Petroleum Processing & Petrochemical Technology2015，17，4： | 9 |
| 3 | A Novel Fiber Bragg Grating with Triangular Spectrum and Its Application in Strain Sensor显示文摘A novel fiber Bragg grating with triangular spectrum is presented. A strain sensor based on this fiber grating is proposed. Experiments showed that the sensor has advantages of high sensitivity, wider measuring range and immunity to fluctuation of the light source power. | Rui Huang, Yingwu Zhou, Guowei Sun, Ronghui Qu, Zujie Fang Shanghai Institute of Optics and Fine Mechanics, CAS, P. R. China | 2003 | 光学学报2003，23，S1： | 2 |
| 4 | Selective removal of polycyclic aromatic hydrocarbons (PAHs) from soil washing effluents using biochars produced at different pyrolytic temperatures显示文摘 | Helian Li Ronghui Qu Chao Li Weilin Guo Xuemei Han Fang He Yibing Ma Baoshan Xing | 2014 | Bioresource Technology2014，，： | 1 |
| 5 | Effects of Anti-explosion Agents on Low-cement Castables显示文摘Effects of three anti-explosion agents:fiber,azo amide,and metal aluminum powder,on the anti-explosion property of Al2O3-SiC-C low-cement castables were researched. The mechanism of the anti-explosion agents was studied by observing the microstructure of the castables. The results show that all these agents can improve the anti-explosion performance of the low-cement castables. The anti-explosion performance of the castables is the best by composite adding 0.12% fiber,0.05% azo amide,and 0.1% metal aluminum powder. The main anti-explosion mechanism is that these three agents form apparent pores which increase the permeability. | XU Jilong JIANG Mingxue LI Fang ZHANG Ronghui | 2010 | China's Refractories2010，19，4： | 1 |
| 6 | Applying a fish expert system for ranking the biological effects of polycyclic aromatic hydrocarbons on the rockfish Sebastiscus marmoratus in the Maowei Sea,China显示文摘Polycyclic aromatic hydrocarbons(PAHs)pollution,particularly in coastal environments,is a global concern.In this study,the biomonitoring and ranking effects of PAHs in the rockfish Sebastiscus marmoratus were determined in the Maowei Sea,China.The results showed that the concentrations of the 16 priority PAHs detected in the surface seawater were moderate compared with those in other coastal areas worldwide,and the possible sources were rapid industrialization and urbanization combined with atmospheric deposition and runoff.Nested analysis of variance(ANOVA)suggested significant differences in the hepatic ethoxyresorufin-O-deethylase(EROD)activities and phenanthrene-derived metabolites in bile between the port area and the oyster farming area.The fish expert system(FES)was applied to evaluate the biological effects of PAHs on fish.The FES data demonstrated that the biological effect levels of Site S1(level III,medium stress)were higher than those of the other sampling sites(level II,low stress). | Ronghui Zheng Chao Fang Fukun Hong Weiming Kuang Yulu Jiang Jincan Chen Yusheng Zhang Jun Bo | 2022 | Acta Oceanologica Sinica2022，41，12： | 0 |
| 7 | Lane-change path planning and control method for self-driving articulated trucks显示文摘Purpose–This study aims to develop an automatic lane-change mechanism on highways for self-driving articulated trucks to improve traffic safety.Design/methodology/approach–The authors proposed a novel safety lane-change path planning and tracking control method for articulated vehicles.A double-Gaussian distribution was introduced to deduce the lane-change trajectories of tractor and trailer coupling characteristics of intelligent vehicles and roads.With different steering and braking maneuvers,minimum safe distances were modeled and calculated.Considering safety and ergonomics,the authors invested multilevel self-driving modes that serve as the basis of decision-making for vehicle lane-change.Furthermore,a combined controller was designed by feedback linearization and single-point preview optimization to ensure the path tracking and robust stability.Specialized hardware in the loop simulation platform was built to verify the effectiveness of the designed method.Findings–The numerical simulation results demonstrated the path-planning model feasibility and controller-combined decision mechanism effectiveness to self-driving trucks.The proposed trajectory model could provide safety lane-change path planning,and the designed controller could ensure good tracking and robust stability for the closed-loop nonlinear system.Originality/value–This is a fundamental research of intelligent local path planning and automatic control for articulated vehicles.There are two main contributions:thefirst is a more quantifiable trajectory model for self-driving articulated vehicles,which provides the opportunity to adapt vehicle and scene changes.The second involves designing a feedback linearization controller,combined with a multi-objective decision-making mode,to improve the comprehensive performance of intelligent vehicles.This study provides a valuable reference to develop advanced driving assistant system and intelligent control systems for self-driving articulated vehicles. | Tao Peng Xingliang Liu Rui Fang Ronghui Zhang Yanwei Pang Tao Wang Yike Tong | 2020 | Journal of Intelligent and Connected Vehicles2020，3，2： | 0 |
| 8 | Assembly and phylogenomic analysis of cotton mitochondrial genomes provide insights into the history of cotton evolution显示文摘Cotton is a major crop that provides the most important renewable textile fibers in the world.Studies of the taxonomy and evolution of cotton species have received wide attentions,not only due to cotton’s economic value but also due to the fact that Gossypium is an ideal model system to study the origin,evolution,and cultivation of polyploid species.Previous studies suggested the involvement of mitochondrial genome editing sites and copy number as well as mitochondrial functions in cotton fiber elongation.Whereas,with only a few mitogenomes assembled in the cotton genus Gossypium,our knowledge about their roles in cotton evolution and speciation is still scarce.To close this gap,here we assembled 20 mitogenomes from 15 cotton species spanning all the cotton clades(A–G,K,and AD genomes)and 5 cotton relatives using short and long sequencing reads.Systematic analyses uncovered a high level of mitochondrial gene sequence conservation,abundant sequence repeats and many insertions of foreign sequences,as well as extensive structural variations in cotton mitogenomes.The sequence repeats and foreign sequences caused significant mitogenome size inflation in Gossypium and its close relative Kokia in general,while there is no significant difference between the lint and fuzz cotton mitogenomes in terms of gene content,RNA editing,and gene expression level.Interestingly,we further revealed the specific presence and expression of two novel mitochondrial open reading frames(ORFs)in lint-fiber cotton species.Finally,these structural features and novel ORFs help us gain valuable insights into the history of cotton evolution and polyploidization and the origin of species producing long lint fibers from a mitogenomic perspective. | Yanlei Feng Yukang Wang Hejun Lu Jun Li Delara Akhter Fang Liu Ting Zhao Xingxing Shen Xiaobo Li James Whelan Tianzhen Zhang Jianping Hu Ronghui Pan | 2023 | The Crop Journal2023，11，6： | 0 |
| 9 | Trimming Behavior of H_2-Loaded Silica Fiber Modeled by Rate Equations显示文摘Photosensitivity behavior of H2-loaded silica fiber was modeled by rate equations for activated particles. The theoretical deductions give a close explanation to experimental phenomena on post-exposure growth in fiber gratings. | Lin Li, Haiwen Cai, Kan Gao, Ronghui Qu, and Zujie Fang (Shanghai Institute of Optics and Fine Mechanics, CAS, P. R. China) | 2003 | 光学学报2003，23，S1： | 0 |
| 10 | Corn Umbilicus Tissue-Based Membrane Biosensor for Pyruvate显示文摘Pyruvate, a final metabolite of glycogen, is widely distributed over many kinds of tissue fluids of human bodys. The determination for its contents is of clinical importance in gynaecology. Titrimetry, colorimetry and chromatography are common used methods. In recent years, enzymatic mthod has proved to be one of the most important determination techniques for its simplicity and fastness. However, in some cases, the use of purified enzymes as biocatalysts yields systems with a short useful lifetime owing, to enzyme instability A | Fang Yao , Cai Ronghui and Zhang Yonghua (Changchun Institute of Applied Chemistry, Academia Sinica, Changchun)Deng Jiaqi (Department of Chemistry, Fudan University, Shanghai) | 1992 | Chemical Research in Chinese Universities1992，8，1： | 0 |
| 11 | Study on the DOP of Output Pulse in Optical Fiber Transmission Systems显示文摘In this paper the expression of the output pulse Stokes vector is derived based on the Jones matrix model proposed by A.Orlandini et al. The basic properties of degree of polarization (DOP) for output pulse are investigated. | Yingwu Zhou Lingwei Guo Rui Huang Ronghui Qu Zujie Fang (Shanghai Institute of Optics & Fine Mechanics,The Chinese Academy of Sciences,P.R.C. | 2003 | 光学学报2003，23，S1： | 0 |
| 12 | Paleo-oil reservoir pyrolysis and gas release in the Yangtze Block imply an alternative mechanism for the Late Permian Crisis显示文摘The causes of the global mass extinction that occurred around the Permian-Triassic boundary have been widely studied through the geological record and in various locations.The results show that volcanic activity was a key factor in initiating the crisis during the Late Permian.Compared to other thermal events triggered by volcanic activity,pyrolysis of petroleum in Pre-Permian reservoirs has rarely been suggested as a significant source of the greenhouse gases that caused the mass extinction.In this study,geochemical analysis is carried out of a huge paleo-oil reservoir in the Yangtze Block(YB),South China.The detection of mineral inclusions and pyrobitumens is evidence of rapid pyrolysis of accumulated oil in the Ediacaran reservoir.New evidence from hydrothermal minerals and the presence of domain mesophase in the pyrobitumen suggest that the pyrolysis process occurred abruptly and that greenhouse gases were rapidly released through venting pipes.The dating of such a complex geological event in this old and deeply buried reservoir is inevitably difficult and potentially unreliable.However,cross-validation of the multiple evidence sources,including hydrothermal minerals and domain mesophase,indicates that the rapid oil pyrolysis must have been driven by a major thermal event.Reconstruction of burial and thermal histories suggests that the thermal event was most likely to have been triggered by the Emeishan Large Igneous Province(ELIP),which was in a period of significant volcanic activity during the Late Permian.Massive volumes of gases,including methane,carbon dioxide,and possibly hydrogen sulfide,were released,causing a significant increase in greenhouse gases that may have contributed to global warming and the resulting mass extinction during the Late Permian Crisis(LPC). | Chengyu Yang Meijun Li Zhiyong Ni Tieguan Wang Nansheng Qiu Ronghui Fang Long Wen | 2022 | Geoscience Frontiers2022，13，2： | 0 |
| 13 | Mitigating growth-stress tradeoffs via elevated TOR signaling in rice显示文摘Rice production accounts for approximately half of the freshwater resources utilized in agriculture,result-ing in greenhouse gas emissions such as methane(CH4)from flooded paddy fields.To address this chal-lenge,environmentally friendly and cost-effective water-saving techniques have become widely adopted in rice cultivation.However,the implementation of water-saving treatments(WsTs)in paddy-field rice has been associated with a substantial yield loss of up to 50%as well as a reduction in nitrogen use efficiency(NUE).In this study,we discovered that the target of rapamycin(TOR)signaling pathway is compromised in rice under WsT.Polysome profiling-coupled transcriptome sequencing(polysome-seq)analysis unveiled a substantial reduction in global translation in response to WST associated with the downregulation of TOR activity.Molecular,biochemical,and genetic analyses revealed new insights into the impact of the positive TOR-S6K-RPS6 and negative TOR-MAF1 modules on translation repression under WST.Intriguingly,ammonium exhibited a greater ability to alleviate growth constraints under WsT by enhancing TOR signaling,which simultaneously promoted uptake and utilization of ammonium and nitrogen allocation.We further demonstrated that TOR modulates the ammonium transporter AMT1;1 as well as the amino acid permease APP1 and dipeptide transporter NPF7.3 at the translational level through the 5'untranslated region.Collectively,these findings reveal that enhancing TOR signaling could mitigate rice yield penalty due to WST by regulating the processes involved in protein synthesis and NUE.Our study will contribute to the breeding of new rice varieties with increased water and fertilizer utilization efficiency. | Wei Li Jiaqi Liu Zeqi Li Ruiqiang Ye Wenzhen Chen Yuqing Huang Yue Yuan Yi Zhang Huayi Hu Peng Zheng Zhongming Fang Zeng Tao Shiyong Song Ronghui Pan Jian Zhang Jumim Tu Jen Sheen Hao Du | 2024 | Molecular Plant2024，17，2： | 0 |
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