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The Mathematical Model for Large-sized Agro-ecological Engineering

Bian Yousheng,Wang Tianxi,Chen Zhenglong,Cui Bin

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 17-22

Abstract: input-output model, based on analyzing the systematic structure and program objectives in the farm of ShengliOil Fields.

Keywords： agro-ecological engineering     mathematical model     Shengli Oil Fields    

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Status and challenges for oil and gas field development in China and directions for the development of

Han Dakuang

Strategic Study of CAE 2010, Volume 12, Issue 5,   Pages 51-57

Abstract:

The paper reviews the glorious course of the oil and gas field developmentAlso, the paper reveals great challenges that the oil and gas field development faces in recent yearsout the directions for the development of technologies for high-water-cut, low-permeability, heavy-oil, offshore oilfields and all kinds of complicated gas fields.

Keywords： oil and gas field development in China     technology series     high-water-cut oilfields     low-permeabilityoilfields     heavy-oil fields     offshore oilfields     complicated gas fields     development direction for technologies    

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Review on new technology and field practice on offshore oil fields

Xu Wenjiang,Qiu Zongjie,Zhang Fengjiu

Strategic Study of CAE 2011, Volume 13, Issue 5,   Pages 53-57

Abstract: text-align: justify;">The article introduced some new production technologies to meet challenges on offshore oil

Keywords： oil production technology     field practice     technology     review    

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Visbreaking of heavy petroleum oil catalyzed by SO/ZrO solid super-acid doped with Ni or Sn

JING Ping, LI Qingbiao, HAN Mei, SUN Daohua, JIA Lishan, FANG Weiping

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 186-190 doi: 10.1007/s11705-008-0035-y

Abstract: (SZ) doped with Ni or Sn (Ni/SZ, Sn/SZ) were prepared for catalytic visbreaking of heavy petroleum oilfrom Shengli oil field.The visbreaking reactions were carried out at 240°C and 3–4 MPa for 24 h using a heavy petroleum oilThe effect of water content on viscosity of heavy petroleum oil was also investigated.The presence of water was disadvantageous to visbreaking of heavy petroleum oil.

Keywords： thermolysis     Shengli     asphaltene     SO/ZrO     presence    

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Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 114-120 doi: 10.1007/s11709-014-0267-5

Abstract: A particular kind of non-Gaussian random fields with great practical importance is that of translationfields resulting from a simple memory-less transformation of an underlying Gaussian field with knownof existing random field models of heterogeneous two-phase media with emphasis on level-cut random fieldswhich are a special case of translation fields.

Keywords： microstructure     random fields     level sets     shape recovery     two-phase media    

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NITROGEN USE AND MANAGEMENT IN ORCHARDS AND VEGETABLE FIELDS IN CHINA: CHALLENGES AND SOLUTIONS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 386-395 doi: 10.15302/J-FASE-2022443

Abstract:

● Excessive application of N fertilizers in orchards and vegetable fields

Keywords： nitrogen fate     nitrogen fertilizer     orchards     vegetable fields    

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Advanced biomass materials: progress in the applications for energy, environmental, and emerging fields

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 795-797 doi: 10.1007/s11705-023-2336-6

Abstract: Advanced biomass materials: progress in the applications for energy, environmental, and emerging fields

Keywords： progress applications energy     fields    

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Engineering Fronts in fields of Energy and Electrical Science and Technologies in the report of

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 5-8 doi: 10.1007/s11708-023-0868-6

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The perturbed magnetic fields caused by mechanical stress

QIN Fei, YAN Dong-mei

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 151-156 doi: 10.1007/s11465-006-0015-1

Abstract: In the framework of the linearized magnetoelastic theory, the perturbed magnetic fields caused by mechanicalGoverning equations and boundary conditions to determine the perturbed fields were derived.The effect of mechanical deformation on the magnetic fields was taken into account by coupling structural
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Effect of Ca

Qi WANG, Hongzhi JIANG, Shengli CHEN, Mingmin ZHANG, Mingxing DING, Esheng KONG, Guangying HUANG

Frontiers of Medicine 2009, Volume 3, Issue 1,   Pages 96-99 doi: 10.1007/s11684-009-0014-9

Abstract: The aim of this paper was to explore the relationship between energy metabolism and the meridian phenomenon. The manner of change of oxygen partial pressure in acupoints and no-acupoints of the urinary bladder meridian of goats was observed with a needle-type tissue oxygen tension sensor after the acupuncture effect was blocked by Ca complexation with ethylenediamine tetraacetic acid (EDTA)-Na . The results showed that: (1) the concentration of calcium ion in urinary bladder meridian acupoints was higher than that in no-acupoints ( <0.01 or <0.05); (2) the tissue oxygen tension in urinary bladder meridian acupoints was higher than that in no-acupoints ( <0.01); (3) the oxygen partial pressure in acupoints decreased significantly after injection with EDTA-Na , compared with injection of either normal sodium or nothing ( <0.01); (4) the oxygen partial pressure in acupoints was higher than that in no-acupoints after EDTA-Na injection ( <0.01). Acupuncture could reduce oxygen partial pressure in acupoints by regulating microcirculation and increasing metabolic levels.

Keywords： oxygen partial pressure     biosensor     calcium channels     acupoint    

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Stem cell niches and endogenous electric fields in tissue repair

Li LI, Jianxin JIANG

Frontiers of Medicine 2011, Volume 5, Issue 1,   Pages 40-44 doi: 10.1007/s11684-011-0108-z

Abstract: involved in the stem cell-based repair process, including stem cell niches and endogenous wound electric fieldsHere we briefly review the role of stem cell niches and endogenous electric fields in tissue repair,and hypothesize that endogenous electric fields become part of stem cell niche in the wound site.

Keywords： stem cell     stem cell niche     electric field     tissue repair    

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Application of subsea multiphase flow meter in the development of deepwater oil and gas fields

Liu Taiyuan,Guo Hong and Zheng Lijun

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 69-74

Abstract: justify;">The remarkable development of science and technology speeds up the development of the deeper oil

Keywords： deepwater     subsea multiphase flow meter     flow assurance     reservoir optimization     field development    

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Characterization of random stress fields obtained from polycrystalline aggregate calculations using multi-scale

Bruno SUDRET,Hung Xuan DANG,Marc BERVEILLER,Asmahana ZEGHADI,Thierry YALAMAS

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 121-140 doi: 10.1007/s11709-015-0290-1

Abstract: The spatial variability of stress fields resulting from polycrystalline aggregate calculations involvingA periodogram-based method is proposed to identify the properties of homogeneous Gaussian random fields

Keywords： polycrystalline aggregates     crystal plasticity     random fields     spatial variability     correlation structure    

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Extrapolation reconstruction of wind pressure fields on the claddings of high-rise buildings

Yehua SUN, Guquan SONG, Hui LV

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 653-666 doi: 10.1007/s11709-018-0503-5

Abstract: building, the work presented in this paper focuses on the extrapolation reconstruction of wind pressure fieldsHence, the fluctuating wind fields have been characterized by the von Kármán correlation function, as

Keywords： extrapolation reconstruction     proper orthogonal decomposition     Kriging method     von Kármán function     Hurst exponent     rescaled range analysis    

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Biomimetic Macrophage–Fe3O4@PLGA Particle-Triggered Intelligent Catalysis for Killing Multidrug-Resistant Escherichia coli

Jieni Fu,Xiangmei Liu,Zhaoyang Li,Yufeng Zheng,Yu Zhang,Hui Jiang,Yanqin Liang,Shengli Zhu,Zhenduo Cui

Engineering doi: 10.1016/j.eng.2023.05.022

Abstract: Infections with multidrug-resistant (MRD) Gram-negative bacteria, such as MRD Escherichia coli (E. coli), remain a challenge due to the lack of safe antibiotics and high fatality rates under anti-infection therapies. This work presents a form of biomimetic intelligent catalysis inspired by the selective biocatalytic property of macrophages, consisting of an intelligent controlling center (a living macrophage, MΦ) and a Fenton reaction catalyst (Fe3O4@poly(lactic-co-glycolic acid) (PLGA) nanoparticles) for killing MDR E. coli without harming normal cells. The MΦ–Fe3O4@PLGA particles (i.e., the intelligent catalysis particles) exhibit selective biocatalysis activity toward MDR E. coli by producing H2O2 and lipid droplets (LDs). This process activates the lipid metabolism and glycan biosynthesis and metabolism pathways based on the result of RNA sequencing data analysis. The H2O2 further reacts with Fe3O4@PLGA to form highly toxic hydroxyl radicals (•OH), while the LDs contain antimicrobial peptides and can target MDR E. coli. The highly toxic •OH and antimicrobial peptides are shown to combat with MDR E. coli, such that the antibacterial efficiency of the MΦ–Fe3O4@PLGA particles against MDR E. coli is 99.29% ± 0.31% in vitro. More importantly, after several passages, the intelligent catalysis function of the MΦ–Fe3O4@PLGA particles is well maintained. Hence, the concept of biomimetic intelligent catalysts displays potential for treating diseases other than infections.

Keywords： Multidrug-resistant Escherichia coli     Macrophage–Fe3O4@PLGA particles     Biomimetic intelligent catalysis    

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Title Author Date Type Operation

The Mathematical Model for Large-sized Agro-ecological Engineering

Bian Yousheng,Wang Tianxi,Chen Zhenglong,Cui Bin

Journal Article

Status and challenges for oil and gas field development in China and directions for the development of

Han Dakuang

Journal Article

Review on new technology and field practice on offshore oil fields

Xu Wenjiang,Qiu Zongjie,Zhang Fengjiu

Journal Article

Visbreaking of heavy petroleum oil catalyzed by SO/ZrO solid super-acid doped with Ni or Sn

JING Ping, LI Qingbiao, HAN Mei, SUN Daohua, JIA Lishan, FANG Weiping

Journal Article

Simulation of heterogeneous two-phase media using random fields and level sets

George STEFANOU

Journal Article

NITROGEN USE AND MANAGEMENT IN ORCHARDS AND VEGETABLE FIELDS IN CHINA: CHALLENGES AND SOLUTIONS

Journal Article

Advanced biomass materials: progress in the applications for energy, environmental, and emerging fields

Journal Article

Engineering Fronts in fields of Energy and Electrical Science and Technologies in the report of

Journal Article

The perturbed magnetic fields caused by mechanical stress

QIN Fei, YAN Dong-mei

Journal Article

Effect of Ca

Qi WANG, Hongzhi JIANG, Shengli CHEN, Mingmin ZHANG, Mingxing DING, Esheng KONG, Guangying HUANG

Journal Article

Stem cell niches and endogenous electric fields in tissue repair

Li LI, Jianxin JIANG

Journal Article

Application of subsea multiphase flow meter in the development of deepwater oil and gas fields

Liu Taiyuan,Guo Hong and Zheng Lijun

Journal Article

Characterization of random stress fields obtained from polycrystalline aggregate calculations using multi-scale

Bruno SUDRET,Hung Xuan DANG,Marc BERVEILLER,Asmahana ZEGHADI,Thierry YALAMAS

Journal Article

Extrapolation reconstruction of wind pressure fields on the claddings of high-rise buildings

Yehua SUN, Guquan SONG, Hui LV

Journal Article

Biomimetic Macrophage–Fe3O4@PLGA Particle-Triggered Intelligent Catalysis for Killing Multidrug-Resistant Escherichia coli

Jieni Fu,Xiangmei Liu,Zhaoyang Li,Yufeng Zheng,Yu Zhang,Hui Jiang,Yanqin Liang,Shengli Zhu,Zhenduo Cui

Journal Article