检索结果-南通市图书馆

Origin of Overpressure and its Effect on Hydrocarbon Enrichment in the Hinterland of Junggar Basin,NW China

在线全文

学校读者我要写书评

暂无评论

Acta Geologica Sinica(English Edition) 2024年第6期98卷 1511-1532页

作者： HAN Zaihua LIU Hua LI Jun CHENG Bin ZHANG Hongrui meng xiangyu National Key Laboratory of Deep Oil and Gas China University of Petroleum(East China)QingdaoShandong 266580China Laboratory for Marine Mineral Resources Qingdao Marine Science and Technology CenterQingdaoShandong266071China Petroleum Development Center Sinopec Shengli Oilfield CompanyDongyingShandong 257061China

Overpressure is widely developed in deep petroliferous strata in the hinterland of the Junggar ***,a comprehensive understanding of its origin and effect on hydrocarbon distribution and enrichment remains *** this study,we employ five empirical methods and comprehensive geological analysis to identify the origin of overpressure,and uncover the effect of overpressure on hydrocarbon *** results indicate that disequilibrium compaction is not a significant factor in overpressure ***,hydrocarbon generation,pressure transfer and diagenesis are the primary *** empirical methods support this *** is a positive correlation between overpressure intensity and source rock thickness and ***,widespread cross-formational migration of hydrocarbon bearing fluid occurred,with sandstone overpressure exceeding that of adjacent shale in non-source ***,there is a distinct transformation from smectite to illite near the top of *** generation pressurization and pressure transfer significantly effect hydrocarbon *** overpressure caused by hydrocarbon generation drives hydrocarbon migration and accumulation,establishing an optimal energy configuration between reservoir and cap *** play a crucial role in hydrocarbon vertical migration and pressure *** overpressure in reservoirs can reduce the porosity and permeability thresholds and enhance the charging capacity of oil and gas.

关键词： overpressure origin hydrocarbon generation pressure transfer diagenesis hydrocarbon enrichment Junggar Basin

Coupling of Hierarchical Al_(2)O_(3)/TiO_(2) Nanofibers into 3D Photothermal Aerogels Toward Simultaneous Water Evaporation and Purification

在线全文

学校读者我要写书评

暂无评论

Advanced Fiber Materials 2020年第2期2卷 93-104页

作者： xiangyu meng Wanlin Xu Zhihui Li Jianhui Yang Jingwu Zhao Xixi Zou Yueming Sun Yunqian Dai School of Chemistry and Chemical Engineering Southeast UniversityNanjingJiangsu 211189People’s Republic of China

Serious freshwater shortage and environmental pollution boost the rapid development of solar-driven water *** improved evaporation rate has achieved in recent years,undesirable impurity(e.g.,pollutant components)can also be inevitably evaporated and collected as impurity in produced *** work reports new ultra-light three-dimensional(3D)aerogels assembled by hierarchical Al_(2)O_(3)/TiO_(2) nanofibers and reduced graphene oxide(RGO)for excit-ing synchronized solar-driven evaporation and water *** Al_(2)O_(3)/TiO_(2) fibrous channels linked up the graphene hot-spots and water body for sufficient water supply and bulk water ***,featured with thermal insulation effect,the Al_(2)O_(3)/TiO_(2) nanofibers effectively locked the converted heat with less energy loss from *** introducing of Al_(2)O_(3)/TiO_(2) nanofibers into RGO aerogel led to the effective interfacial evaporation for a more rapid water evaporation rate(2.19 kg·m−2·h−1,normalized to evaporation area including both top and side surface),which was 36%higher than that of pristine RGO ***,simultaneous with the strong steam generation,Al_(2)O_(3)/TiO_(2) nanofibers in situ removed the pollutants within steam by photodegradation,achieving polluted wastewater purification with high con-taminant removal ratio of 91.3%.Our work on coupling Al_(2)O_(3)/TiO_(2) nanofibers into photothermal aerogel provides attractive solutions for the challenges of clean water scarcity and serious environmental pollution.

关键词： Graphene Nanofiber Aerogel Solar Photocatalysis

Review of the application of in-situ sensing techniques to address the tea growth characteristics from leaf to field

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

International Journal of Agricultural and Biological Engineering 2024年第1期17卷 1-11页

作者： Qiong Cao Chunjiang Zhao Ze Xu Ping Jiang Haibin Yang xiangyu meng Guijun Yang Information Technology Research Center Beijing Academy of Agriculture and Forestry SciencesBeijing 100097China College of Machnical and Electrical Engineering Hunan Agricultural UniversityChangsha 410125China Tea Research Institute of Chongqing Academy of Agricultural Sciences Chongqing 400000China

The tea plant is a valuable and evergreen crop that is extensively cultivated in China and many other ***,there is growing research interest in this *** the tea industry,it is crucial to develop rapid and non-invasive methods to evaluate tea plants in their natural *** article provides a comprehensive overview of non-invasive sensing techniques used for in-situ detection of tea *** topics covered include leaf,canopy,and field-level assessments,as well as statistical analysis techniques and characteristics specific to the ***-invasive testing technology is primarily used for monitoring and predicting tea pests and diseases,monitoring quality,and nutrients,determining tenderness and grade,identifying tea plant varieties,automatically detecting,and identifying tea buds,monitoring tea plant growth,and extracting tea garden areas through remote *** also helps to evaluate planting suitability,assess disasters,and estimate ***,the article examines the challenges and prospects of emerging techniques aimed at resolving the in-situ detection problem for tea *** can assist researchers and producers in comprehensively understanding the tea environment,quality characteristics,and growth process,thereby enhancing tea production quality,and fostering tea industry development.

关键词： non-destructive in-situ detection tea plants growth characteristics sensors

Molecular confined synthesis of magnetic CoO_(x)/Co/C hybrid catalyst for photocatalytic water oxidation and CO_(2)reduction

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2023年第12期34卷 328-332页

作者： Rui Li Chenchen Zhang Kejia You Bonan Li Wei Bu xiangyu meng Baochun Ma Yong Ding State Key Laboratory of Applied Organic Chemistry Key Laboratory of Advanced Catalysis of Gansu ProvinceCollege of Chemistry and Chemical EngineeringLanzhou UniversityLanzhou730000China State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou 730000China Henan Provincial Key Laboratory of Nanocomposites and Applications Institute of Nanostructured Functional MaterialsHuanghe Science and Technology CollegeZhengzhou450006China

Photosynthesis[6CO_(2)+12H_(2)O→(CH_(2)O)+6O_(2)+6H_(2)O]in nature contains a light reaction process for oxygen evolution and a dark reaction process for carbon dioxide(CO_(2))reduction to carbohydrates,which is of great significance for the survival of living ***,for simulating photosynthesis,it is desirable to design and fabricate a bifunctional catalyst for promoting photocatalytic water oxidation and CO_(2)reduction ***,a molecular confined synthesis strategy is reasonably proposed and applied,that is the bifunctional CoO_(x)/Co/C-T(T=700,800 and 900℃)photocatalysts prepared by the pyrolysis of molecular Co-EDTA under N_(2) and air atmosphere in *** the prepared photocatalysts,the CoOx/Co/C-800 shows the best photocatalytic water oxidation activity with an oxygen yield of 51.2%.In addition,for CO_(2)reduction reaction,the CO evolution rate of 12.6μmol/h and selectivity of 75%can be achieved over this *** improved photocatalytic activities are attributed to the rapid electron transfer between the photosensitizer and the catalyst,which is strongly supported by the current densityvoltage G-V,steady-state and time-resolved photoluminescence spectra(PL).Overall,this work provides a reference for the preparation and optimization of photocatalysts with the capacity for water oxidation and CO_(2)reduction reactions.

关键词： CoO_(x)/Co/C Water oxidation CO_(2)reduction Photocatalyst Photosensitizer

Design and immunogenicity assessment of HIV-1 virus-like particles as a candidate vaccine

在线全文

学校读者我要写书评

暂无评论

Science China(Life Sciences) 2011年第11期54卷 1042-1047页

作者： ZHANG XiZhen WANG XiaoDan ZHAO DongHai meng xiangyu ZHAO XingHong YU XiangHui KONG Wei National Engineering Laboratory for AIDS Vaccine College of Life Science Jilin University Changchun 130012 China Key Laboratoryfor Molecular Enzymology and Engineering of Ministry of Education of China College of Life Science Jilin University Changchun 130012 China jilin Medical College Jilin 132013 China

The rapid growth of the global HIV/AIDS epidemic makes it a high priority to develop an effective *** a live attenuated or inactivated HIV vaccine is not likely to be approved for clinical application due to safety concerns,HIV virus like particles(VLPs) offer an attractive alternative because they are considered safer since they lack viral *** got a stable eukaryotic cell line by G418 resistance selection,engineered to express the HIV-1 structure protein Gag and Env efficiently and *** confirmed the presence of Gag and Env proteins in the cell culture supernatant and that they could self-assemble into *** VLPs were found to be able to elicit specific humoral and cellular immune response after immunization without any adjuvant.

关键词： HIV-1 cotransfection stable cell line virus-like particles(VLPs) vaccine

Aligning Fe_(2)O_(3)photo-sheets on TiO_(2)nanofibers with hydrophilic and aerophobic surface for boosting photoelectrochemical performance

在线全文

学校读者我要写书评

暂无评论

Nano Research 2023年第3期16卷 4178-4187页

作者： xiangyu meng Qi Zhan Yanan Wu mengmeng Zhu Ken Liu Na Wang Kuibo Yin Yueming Sun Shuai Dong Yunqian Dai School of Chemistry and Chemical Engineering Southeast UniversityNanjing 211189China School of Physics Southeast UniversityNanjing 211189China SEU-FEI Nano-Pico Center Key Laboratory of MEMS of Ministry of EducationSoutheast UniversityNanjing 210096China

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 *** 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 ***-like Fe_(2)O_(3)photo-sheets remarkably enhanced the light harvesting by multiple light-mater *** oxygen vacancies on Fe_(2)O_(3)photo-sheets could aid the photons catching and promote the reactivity at active *** 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 *** functionalized surface allowed the rapid desorption of produced bubbles and thus ensured a high density of unoccupied active sites for electrolyte *** 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.

关键词： electrospinning nanofibers TiO2 Fe2O3 light harvesting photoelectrochemical

Converting Escherichia coli MG1655 into a chemical overproducer through inactivating defense system against exogenous DNA

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Synthetic and Systems Biotechnology 2020年第4期5卷 333-342页

作者： Jingge Wang Chaoyong Huang Kai Guo Lianjie Ma xiangyu meng Ning Wang Yi-Xin Huo Key Laboratory of Molecular Medicine and Biotherapy School of Life SciencesBeijing Institute of TechnologyNo.5 South Zhongguancun StreetBeijing100081China SIP-UCLA Institute for Technology Advancement 10 Yueliangwan RoadSuzhou Industrial ParkSuzhou215123China Biology Institute Shandong Province Key Laboratory for BiosensorsQilu University of Technology(Shandong Academy of Sciences)Jinan250103China

Escherichia coli strain K-12 MG1655 has been proposed as an appropriate host strain for industrial ***,the direct application of this strain suffers from the transformation inefficiency and plasmid ***,we conducted genetic modifications at a serial of loci of MG1655 genome,generating a robust and universal host strain JW128 with higher transformation efficiency and plasmid stability that can be used to efficiently produce desired chemicals after introducing the corresponding synthetic *** JW128 as the host,the titer of isobutanol reached 5.76 g/L in shake-flask fermentation,and the titer of lycopene reached 1.91 g/L in test-tube fermentation,40-fold and 5-fold higher than that of original MG1655,*** results demonstrated JW128 is a promising chassis for high-level production of value-added chemicals.

关键词： Escherichia coli MG1655 CRISPR-Cas9 Defense system Metabolic engineering

3D MoS_(2) foam integrated with carbon paper as binder-free anode for high performance sodium-ion batteries

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2022年第2期31卷 26-33页

作者： Fangying Zheng Zeyu Wei Huicong Xia Yunchuan Tu xiangyu meng Kaixin Zhu Jiao Zhao Yimin Zhu Jianan Zhang Yan Yang Dehui Deng Institute of Environmental Remediation Dalian Maritime UniversityDalian 116026LiaoningChina State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina College of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001HenanChina Zhang Dayu School of Chemistry Dalian University of TechnologyDalian 116024LiaoningChina

Molybdenum sulfide(MoS_(2))with well-designed porous structure has the potential to be great electrode materials in sodium-ion batteries due to its high theoretical capacity and abundant resource,however,hindered by its intrinsic low conductivity and ***,MoS_(2) with 3 D macroporous foam structure and high conductivity was obtained through SiO_(2) templates and integrated with carbon paper(3 D FMoS_(2)/CP).It has showed superior specific capacity(225 m A h g^(-1),0.4–3 V)and cycling stability(1000 cycles)at high rate(2000 m A g^(-1)),with a low decay rate(0.033%per cycle)in sodium-ion *** excellent electrochemical performance may originate from its unique integrated structure:3 D MoS_(2) macropores providing high surface area and abundant transfer channels while carbon paper enhancing the conductivity of MoS_(2) and avoiding unnecessary side reactions brought by binder addition.

关键词： 3D MoS_(2)foam Carbon paper Binder-free electrode High performance Sodium-ion batteries

Association between diabetes mellitus,hypertension,hyperlipidemia,chronic viral hepatitis,and the risk of multiple myeloma:a case-control study

在线全文

学校读者我要写书评

暂无评论

Oncology and Translational Medicine 2020年第2期6卷 87-92页

作者： Gang Zhou xiangyu meng Shangqin Liu Department of Hematology Zhongnan Hospital of Wuhan UniversityWuhan 430000China Department of Urology Surgery Zhongnan Hospital of Wuhan UniversityWuhan 430000China

Objective This case-control study aimed to investigate whether diabetes mellitus(DM),hypertension,hyperlipidemia,and chronic viral hepatitis are risk factors for multiple myeloma(MM).Moreover,the clinical characteristics of MM patients with or without the abovementioned exposure factors were *** In total,340 MM patients and 680 patients with benign diseases who were hospitalized from January 2012 to December 2017 were classified under the case group and control group,*** about medical history of DM,hypertension,hyperlipidemia and chronic viral hepatitis were collected by reviewing medical *** and multivariate analyses were conducted to compare the history of DM,hypertension,hyperlipidemia,and viral hepatitis between the two *** DM,hypertension,hyperlipidemia,and chronic viral hepatitis as exposure factors,clinical characteristics,such as renal function and presence of fungal and other types of infections,between the exposed and nonexposed groups were *** No significant difference was observed in the prevalence of DM,hypertension,and hyperlipidemia between the case and control *** patients had a higher prevalence of chronic viral hepatitis than those with benign *** significant difference was observed in the prevalence of renal dysfunction,fungal infection,and non-fungal infections in MM patients with or without DM,hypertension,and *** patients with chronic viral hepatitis had a significantly higher prevalence of nonfungal infections during hospitalization than those *** No significant association was noted between MM and DM,hypertension,and *** viral hepatitis is correlated to a significantly higher risk of MM,and MM patients with chronic viral hepatitis were more susceptible to non-fungal infections during *** a non-significant trend was observed in this study,we believe that DM and hypertension might be associated

关键词： multiple myeloma(MM) diabetes mellitus(DM) hypertension hyperlipidemia chronic viral hepatitis case-control study