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Investigation on the biodegradation levels of super heavy oils by parameter-striping method and refined Manco scale: a case study from the Chepaizi Uplift of Junggar Basin

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Petroleum Science 2021年第2期18卷 380-397页

作者： Xiang-Chun Chang Bing-Bing Shi zhong-quan liu Yue Wang You-De Xu College of Earth Science and Engineering Shandong University of Science and TechnologyQingdao266590China Laboratory for Marine Mineral Resources Pilot National Laboratory for Marine Science and TechnologyQingdao266071China Research Institute of Petroleum Exploration and Development Shengli Oil CompanySinopecDongying257001China

The Carboniferous volcanic reservoir in the Chepaizi Uplift became an exploration hot target in recent years for its substantial amount of oils discovered. However, most of the Carboniferous heavy oils were biodegraded to PM7 or higher with orders of magnitude variation in oil viscosities. Two oil groups (I and II) exactly corresponding to the western and eastern Chepaizi Uplift were distinguished according to their source diagnose. Furthermore, three oil families (II1, II2 and II3), with the biodegradation level of PM7, PM8–8+, PM9+, respectively, were classified based on molecular compositions and parameter-stripping method of strongly bioresistant parameters. Allowing for this extremely high biodegradation case, more biodegradation refractory compound class were added to establish a refined Manco scale to quantitatively evaluate the biodegradation extent. Refined Manco number (RMN2) positively correlated with the oil density, NSO contents, and absolute concentrations of diasteranes and gammacerane, negatively correlated with the absolute concentrations of diahopane, summed tricyclic terpanes and pentacyclic terpanes. This refined scale showed higher resolution than the PM one to differentiate the biodegradation extent of Carboniferous heavy oils from the Chepaizi Uplift, especially those with same PM values but different oil viscosities.

关键词： Super heavy oil Biodegradation Parameter-striping method Refined Manco scale Junggar Basin

Occurrence state and oil content evaluation of Permian Fengcheng Formation in the Hashan area as constrained by NMR and multistage Rock-Eval

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Petroleum Science 2023年第3期20卷 1363-1378页

作者： Yue Wang Xiang-Chun Chang zhong-quan liu Peng-Fei Zhang Wei-Zheng Gao Zhi-Ping Zeng Gui-Sheng Li College of Earth Science and Engineering Shandong University of Science and TechnologyQingdaoShandong266590China Laboratoryfor Marine Mineral Reources Pilot National Laboratory for Marine Science and Technology QingdaoShandong 266071China Research Institute of Petroleum Exploration and Development Shengli Oil CompanySinopecDongyingShandong257001China No.5 Ooil Production Plant of Dagang Oilfield Company CNPCTianjin300280China

The Hashan area,neighboring the Mahu Sag that is rich in the shale oil resources,showed commercial oil flow in the corresponding lacustrine shales of the Lower Permian Fengcheng Formation(P)with reserve scale approximately 789 million tons,presenting great potential for oil *** their geographical proximity,the hydrocarbon occurrence and oil-bearing capacity of shale in the Hashan area and Mahu Sag greatly differ owing to the complex tectonic ***,understanding the occurrence state and oil content of the Pif in the Hashan area is crucial for ongoing shale oil exploration activities and the development of the northwestern margin of the Junggar *** this study,an in-tegrated investigation,including petrological observations,scanning electron microscopy(SEM)obser-vation,analysis of nuclear magnetic resonance(NMR)Ti-T2 spectra,and conventional and multistage Rock-Eval pyrolysis methods were conducted to evaluate the occurrence state and oil content of the Pif shale in the Hashan *** results indicate that plagioclase(average 30.7%)and quartz(24.1%)dominate the mineral compositions of the Pf shale samples.A method involving quartz-plagioclase-carbonate minerals is proposed to conduct lithofacies *** the Hashan area,the organic matter abundance in the Pf shale is scaled in fair to good range,the thermal maturity ranges from immature to early mature stage,and the primary organic matter types are Types I and *** and dissolution pores are the two most common pore *** free oil is mostly found in the pores and microfractures of the mineral matrix,whereas the adsorbed oil is mostly adsorbed on the surfaces of kerogen and clay *** high organic matter abundance,quartz content,and porosity account for substantial increase in the oil content,the area rich in shale oil resources coincides with that rich in free *** most favorable lithofacies in the Hashan area is the calcareous mudstone/shale,which

关键词： Hashan area Oil content Occurrence state Pore types Ti-T2 NMR Shale oil

Free-Radical-Promoted (sp3)C-H Functionalization:A Site-Selectivity View

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Free-Radical-Promoted (sp3)C-H Functionalization:A Site-Sele...

Site Selectivity in Radical(sp3)C-H Conversion

中国化学会第十二届全国物理有机化学学术会议

作者： zhong-quan liu State Key Laboratory Cultivation Base for TCM Quality and Efficacy College of PharmacyNanjing University of Chinese Medicine

Previous studies indicate that the site-and chemoselectivities of free radical reactions are often high and largely *** free-radical promotion seems to cleave the strong C-H bond easily,it is often considered *** it t...

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Site Selectivity in Radical(sp3)C-H Conversion

Experimental Study on Relative Eddy by PIV System

中国化学会·第十三届全国物理有机化学学术会议

作者： zhong-quan liu College of Pharmacy Nanjing University of Chinese Medicine

Previous studies indicate that the site-and chemoselectivities of free radical reactions are often high and largely predictable. Although free-radical promotion seems to cleave the strong C-H bond easily,it is often considered unselective. Is it true?Could the free-radical-initiated (sp)C-H bond transformation be highly selective?

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Experimental Study on Relative Eddy by PIV System

第七届全国水动力学学术会议暨第十九届全国水动力学研讨会

作者： Yin Jing Zhao Qin Deng Wan-quan Yang Xiao-lin Ji quan-kai liu zhong (Xihua University, Chengdu,Sichuan, China)

＜正＞Relative eddy is a special relative flow in the blade passages of centrifugal impellers. Because the flow within the impeller is represented by both superposition of a throughf low and a relative eddy caused by inertia of water, it is of prime importance to investigate the eddy behavior. The authors of this paper performed groundbreaking experiments on a specifically designed impeller to explore the velocity distribution of eddy by utilizing an advanced PIV system. The authors also analyzed the experimental data theoretically and discovered previously unreleased flow laws associated with relative motion. The experimental results and analyses presented in this paper offer a solid foundation for further study of the inner flow inside a centrifugal impeller.

关键词： Centrifugal impeller relative eddy PIV system inner flow field

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敦煌盆地有效烃源岩的发现及地质意义

甘肃地质 2016年第4期25卷 50-55页

作者：柳忠泉刘俊民林中凯中国石化胜利油田分公司勘探开发研究院西部分院山东东营257015

敦煌盆地的近期油气勘探工作中,XC1井揭示较好的湖相烃源岩,录井见油斑、油迹6 m/8层,荧光16.5m/7层;压裂后试油,日液0.16～10.7 m3,日油0.02～1.53 m3,累产油12.1 m3。基于中石化近几年投入的实物工作量和XC1井钻探成果,笔者通过对样... 详细信息

敦煌盆地的近期油气勘探工作中,XC1井揭示较好的湖相烃源岩,录井见油斑、油迹6 m/8层,荧光16.5m/7层;压裂后试油,日液0.16～10.7 m3,日油0.02～1.53 m3,累产油12.1 m3。基于中石化近几年投入的实物工作量和XC1井钻探成果,笔者通过对样品的地化分析数据和油源对比结果,认为中下侏罗统是潜在烃源岩的主要发育层段,中间沟组1段的湖相泥岩集中段为有效烃源岩,藻类体和角质体是这套源岩的主要生烃显微组分,有机质类型最好可达Ⅰ—Ⅱ1型,现有资料显示在五墩凹陷保存较完整;XC1井所发现的油藏为一次生烃的原生油藏,具有＂早期生烃、早期聚集、晚期定型＂的＂两早一晚＂的成藏特点,今后勘探关键是研究其成烃过程与圈闭配套史的关系,近源保存条件较好的岩性或构造—岩性油气藏是首选的目标。

关键词：敦煌盆地侏罗系有效烃源岩油源对比原生油藏近源勘探

Multi boron-doping effects in hard carbon toward enhanced sodium ion storage

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Journal of Energy Chemistry 2025年第1期100卷 730-738页

作者： Peng Zheng Wang Zhou Ying Mo Biao Zheng Miaomiao Han Qin zhong Wenwen Yang Peng Gao Lezhi Yang Jilei liu College of Materials Science and Engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology Hunan University Greater Bay Area Institute for Innovation Hunan University Changsha Research Institute of Mining & Metallurgy Co. LTD.

Hard carbon （HC） has been considered as promising anode material for sodium-ion batteries （SIBs）.The optimization of hard carbon’s microstructure and solid electrolyte interface （SEI） property are demonstrated effective in enhancing the Na+storage capability,however,a one-step regulation strategy to achieve simultaneous multi-scale structures optimization is highly ***,we have systematically investigated the effects of boron doping on hard carbon’s microstructure and interface chemistry.A variety of structure characterizations show that appropriate amount of boron doping can increase the size of closed pores via rearrangement of carbon layers with improved graphitization degree,which provides more Na+storage ***-situ Fourier transform infrared spectroscopy/electrochemical impedance spectroscopy （FTIR/EIS） and X-ray photoelectron spectroscopy （XPS） analysis demonstrate the presence of more BC3and less B–C–O structures that result in enhanced ion diffusion kinetics and the formation of inorganic rich and robust SEI,which leads to facilitated charge transfer and excellent rate *** a result,the hard carbon anode with optimized boron doping content exhibits enhanced rate and cycling *** general,this work unravels the critical role of boron doping in optimizing the pore structure,interface chemistry and diffusion kinetics of hard carbon,which enables rational design of sodium-ion battery anode with enhanced Na+storage performance.

关键词： X ray photoelectron spectroscopy

Secukinumab demonstrates high efficacy and a favorable safety profile over 52 weeks in Chinese patients with moderate to severe plaque psoriasis

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Chinese Medical Journal 2020年第22期133卷 2665-2673页

作者： Lin Cai Jian-zhong Zhang Xu Yao Jun Gu quan-zhong liu Min Zheng Shi-Fa Zhang Jin-Hua Xu Cheng-Xin Li Hao Cheng Qing Guo Wei-Li Pan Shen-Qiu Li Ruo-Yu Li Zai-Pei Guo Zhi-Qi Song Shan-Shan Li Xiu-Qin Dong Linda Wang Rong Fu Pascaline Regnault Pascal Charef Ratal Mazur Manmath Patekar Department of Dermatology.Peking University People's Hospital Beijing 100044China Institute of Dermatology Chinese Academy of Medical Science&Peking Union Medical CollegeBeijing 100730China Department of Dermatology Changhai HospitalShanghai 200433China Department of Dermatology Tianjin Medical University General HospitalTianjin 300052China Department of Dermatology Second Affiliated Hospital School of MedicineZhejiang UniversityHangzhouZhejiang 311215China Department of Dermatology General Hospital of Northern Theater CommandShenyangLiaoning 110016China Department of Dermatology Huashan HospitalFudan UniversityShanghai 200040China Department of Dermatology and Venereology Chinese People's Liberation Army General HospitalBeijing 100853China Department of Dermatology Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhouZhejiang 310016China Department of Dermatology Sun Yat-Sen Memorial HospitalGuangzhouGuangdong 510120China Department of Dermatology Zhejiang Provincial People's HospitalZhejiangHangzhouZhejiang 310014China Department of Dermatology Tongji HospitalTongji Medical College of Huazhong University of Science&TechnologyWuhanHubei 430030China Department of Dermatology Peking University First HospitalBeijing 100034China Department of Dermatology West China HospitalSichuan UniversityChengduSichuan 610041China Department of Dermatology First Affiliated Hospital of Dalian Medical UniversityDalianLiaoning 116011China Department of Dermatology The First Hospital of Jilin UniversityChangchunJilin 130021China Department of Dermatology Guangdong General HospitalGuangzhouGuangdong 510080China Beijing Novartis Pharma Co.Ltd. Shanghai 201203China Novartis Pharma AG Basel 6463Switzerland

Background:Psoriasis is a chronic inflammatory skin disease,affecting about 0.6%of the Chinese *** patients are not well controlled by conventional treatments,thus there is need for new treatment *** this study,we assessed the efficacy and safety of secukinumab in Chinese patients with moderate to severe plaque ***:This study was a 52-week,multicentre,randomized,double-blind,placebo-controlled,parallel-group,Phase 3 trial.A sub-population of study participants(≥18 years)of Chinese ethnicity were randomized to receive subcutaneous injections of 300 or 150 mg secukinumab,or *** co-primary endpoints were psoriasis area severity index(PASI)75 and Investigator’s Global Assessment(IGA)0/1 at Week ***:A total of 441 Chinese patients were enrolled in this ***-primary outcomes were achieved;300 and 150 mg secukinumab were superior to placebo as shown in the proportion of patients that achieved PASI 75(97.7%and 87.2%vs.3.7%,respectively;P<0.001),and IGA 0/1(82.3%and 69.7%vs.2.7%;P<0.001)at Week *** efficacy was maintained until Week *** was no increase in overall adverse events with secukinumab relative to placebo throughout the 52-week ***:Secukinumab is highly effective and well tolerated in Chinese patients with moderate to severe plaque psoriasis.

关键词： Chinese Psoriasis IL-17 Dermatology Clinical trial PASI

A promising approach for quantifying focal stroke modeling and assessing stroke progression:optical resolution photoacoustic microscopy photothrombosis

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Neural Regeneration Research 2025年第7期20卷 2029-2037页

作者： Xiao Liang Xingping quan Xiaorui Geng Yujing Huang Yonghua Zhao Lei Xi Zhen Yuan Ping Wang Bin liu Faculty of Health Sciences University of MacaoMacao Special Administrative RegionChina Center for Cognitive and Brain Sciences University of MacaoMacao Special Administrative RegionChina Department of Biomedical Engineering Southern University of Science and TechnologyShenzhenGuangdong ProvinceChina State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical SciencesUniversity of MacaoTaipaMacao Special Administrative RegionChina Department of Emergency Zhujiang HospitalSouthern Medical UniversityGuangzhouGuangdong ProvinceChina

To investigate the mechanisms underlying the onset and progression of ischemic stroke,some methods have been proposed that can simultaneously monitor and create embolisms in the animal cerebral ***,these methods often require complex systems and the effect of age on cerebral embolism has not been adequately studied,although ischemic stroke is strongly *** this study,we propose an optical-resolution photoacoustic microscopy-based visualized photothrombosis methodology to create and monitor ischemic stroke in mice simultaneously using a 532 nm pulsed *** observed the molding process in mice of different ages and presented age-dependent vascular embolism ***,we integrated optical coherence tomography angiography to investigate age-associated trends in cerebrovascular variability following a *** imaging data and quantitative analyses underscore the differential cerebrovascular responses to stroke in mice of different ages,thereby highlighting the technique's potential for evaluating cerebrovascular health and unraveling age-related mechanisms involved in ischemic strokes.

关键词： age-dependent cerebral cortex ischemic stroke mouse model optical coherence tomography angiography photoacoustic microscopy photothrombosis vascular imaging