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Gulliver's travels

作者： jonathan Swift edited by albert j. Rivero.

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Moll Flanders

The relationships among aerosol optical depth, ice, phytoplankton and dimethylsulfide and the implication for future climate in the Greenland Sea

作者： Daniel Defoe edited by albert j. Rivero.

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Acta Oceanologica Sinica 2018年第5期37卷 13-21页

作者： QU Bo GABRIC albert j. ZHAO Li SUN Wenjing LI Hehe GU Peijuan jIANG Limei ZENG Meifang School of Science Nantong University Nantong 226019 China School of Environment Griffith University Nathan Qld 4111 Australia jurong Country Garden School Zhenjiang 212400 China Chinese Sinosoft Company Limited Beijing 100190 China Nanjing Kangni New Energy Auto Part Co. Ltd Nanjing 210000 China College of Basic Education Nantong Institute of Technology Nantong 226002 China Primary School Department Kunshan International School Kunshan 215300 China

The sea-to-air flux of dimethylsulphide（DMS） is one of the major sources of marine biogenic aerosol, and can have an important radiative impact on climate, especially in the Arctic Ocean. Satellite-derived aerosol optical depth（AOD） is used as a proxy for aerosol burden which is dominated by biogenic aerosol during summer and autumn. The spring sea ice melt period is a strong source of aerosol precursors in the Arctic. However, high aerosol levels in early spring are likely related to advection of continental pollution from the south（Arctic haze）.Higher AOD was generally registered in the southern part of the study region. Sea ice concentration（SIC） and AOD were positively correlated, while cloud cover（CLD） and AOD were negative correlation. The seasonal peaks of SIC and CLD were both one month ahead of the peak in AOD. There is a strong positive correlation between AOD and SIC. Melting ice is positively correlated with chlorophyll a（CHL） almost through March to September,but negatively correlated with AOD in spring and early summer. Elevated spring and early summer AOD most likely were influenced by combination of melting ice and higher spring wind in the region. The peak of DMS flux occurred in spring due to the elevated spring wind and more melting ice. DMS concentration and AOD were positively correlated with melting ice from March to May. Elevated AOD in early autumn was likely related to the emission of biogenic aerosols associated with phytoplankton synthesis of DMS. The DMS flux would increase more than triple by 2100 in the Greenland Sea. The significant increase of biogenic aerosols could offset the warming in the Greenland Sea.

关键词： dimethylsulfide flux sea ice chlorophyll aerosol optical depth Greenland Sea

Correlation between sea surface temperature and wind speed in Greenland Sea and their relationships with NAO variability

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Water Science and Engineering 2012年第3期5卷 304-315页

作者： Bo QU albert j. GABRIC jing-nan ZHU Dao-rong LIN Feng QIAN Min ZHAO School of Science Nantong University Nantong 226007 P R. China School of Environment Griffith University Brisbane 4111 Australia

The North Atlantic Oscillation （NAO） is one of the major causes of many recent changes in the Arctic Ocean. Generally, it is related to wind speed, sea surface temperature （SST）, and sea ice cover. In this study, we analyzed the distributions of and correlations between SST, wind speed, NAO, and sea ice cover from 2003 to 2009 in the Greenland Sea at 10°W to 10°E, 65°N to 80°N. SST reached its peak in july, while wind speed reached its minimum in july. Seasonal variability of SST and wind speed was different for different regions. SST and wind speed mainly had negative correlations. Detailed correlation research was focused on the 75~N to 80~N band. Regression analysis shows that in this band, the variation of SST lagged three months behind that of wind speed Ice cover and NAO had a positive correlation, and the correlation coefficient between ice cover and NAO in the year 2007 was 0.61 SST and NAO also had a positive correlation, and SST influenced NAO one month in advance. The correlation coefficients between SST and NAO reached 0.944 for the year 2005, 0.7 for the year 2008, and 0.74 for the year 2009 after shifting SST one month later. NAO also had a positive correlation with wind speed, and it also influenced wind speed one month in advance. The correlation coefficients between NAO and wind speed reached 0.783, 0.813, and 0.818 for the years 2004, 2005, and 2008, respectively, after shifting wind speed one month earlier.

关键词： correlation analysis," NAO SST," wind speed, ice cover Greenland Sea

Numerical Investigations of Resonant Layersin a Periodically-Driven Pendulum

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Communications in Nonlinear Science and Numerical Simulation 1999年第3期4卷 3-5页

作者： albert C. j. LUO(Department of Mechanical and Industrial Engineering, Southern Illinois University atEdwardsville, Edwardsville, IL 62026-1805, USA) Department of Mechanical and Industrial Engineering Southern Illinois University at Edwardsville Edwardsville IL 62026-1805 USA

IntroductionFOra2-Dnonlinearsystemdrivenbyperiodicexcitations,itsHamiltoniancanbeexpressedbyaFourierseriesexpansionofinfinite,resonantharmonics(e.g.,ZaslavskyandFilonenkoll],Escadel2],LichtenbergandLiebermanI3]fLuoI4]... 详细信息

关键词： resonant layers chaotic dynamics pendulum nonlinear dynamics energySpectrum

Performance evaluation of the HCM 2010 platoon dispersion model under midblock pedestrian and truck traffic friction conditions

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journal of Traffic and Transportation Engineering(English Edition) 2017年第6期4卷 522-534页

作者： albert forde janice daniel new jersey department of transportation TrentonNJ 08625USA department of civil and environmental engineering new jersey institute of technologyNewarkNJ 07102USA

The urban street segment analysis chapter of the Highway Capacity Manual 2010 provides a methodology for evaluating automobile performance on street segments within an urban roadway network （TRB, 2010）. The methodology involves applying a platoon dispersion model to predict platoon arrival profiles at a downstream signalized intersection; using the predicted arrival flow profiles to compute the proportion of vehicle arrivals on green, and subsequently compute the control delay, average travel speed and level of service （LOS） of the segment. The predictive ability of the HCM 2010 platoon dispersion model has not been independently evaluated using field data. This paper, therefore, uses field data to evaluate the performance of the HCM 2010 platoon dispersion model under friction and no friction traffic conditions. The traffic friction conditions include pedestrian and vehicular interactions on urban collector street segments and the presence of trucks within the traffic stream on principal urban arterial segments. Based on the results obtained, the HCM 2010 platoon dispersion model performs relatively well in predicting platoon arrival profiles on urban street segments with no friction traffic conditions. The results, however, show the model＇s performance is limited on urban street segments with pedestrian and truck friction conditions.

关键词： Highway Capacity Manual 2010Platoon dispersionFrictionUrban street

SEMS vs cSEMS in duodenal and small bowel obstruction:High risk of migration in the covered stent group

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World journal of Gastroenterology 2013年第37期19卷 6199-6206页

作者： Oliver Waidmann jrg Trojan Mireen Friedrich-Rust Christoph Sarrazin Wolf Otto Bechstein Frank Ulrich Stefan Zeuzem jrg Gerhard albert Med-izinische Klinik 1 Schwerpunkt Gastroenterologie und Hepatolo-gieKlinikum der Johann Wolfgang Goethe-Universitt Klinik für Allgemein und Viszeralchirurgie Klinikum der johann Wolfgang Goethe-Universitt

AIM:To compare clinical success and complications of uncovered self-expanding metal stents(SEMS)vs covered SEMS(cSEMS)in obstruction of the small ***:Technical success,complications and outcome of endoscopic SEMS or cSEMS placement in tumor related obstruction of the duodenum or jejunum were retrospectively *** primary end points were rates of stent migration and *** end points were the effect of concomitant biliary drainage on migration rate and overall *** data was analyzed according to the Strengthening the Reporting of Observational Studies in Epidemiology ***:Thirty-two SEMS were implanted in 20 *** all patients,endoscopic stent implantation was *** migration was observed in 9 of16 cSEMS(56%)in comparison to 0/16 SEMS(0%)implantations(P=0.002).Stent overgrowth did not significantly differ between the two stent types(SEMS:3/16,19%;cSEMS:2/16,13%).One cSEMS dislodged and had to be recovered from the jejunum by way of *** until migration between SEMS and cSEMS in patients with and without concomitant biliary stents did not significantly differ(HR=1.530,95%CI0.731-6.306;P=0.556).The mean follow-up was 57±71 d(range:1-275 d).CONCLUSION:SEMS and cSEMS placement is safe in small bowel tumor ***,cSEMS is accompanied with a high rate of migration in comparison to uncovered SEMS.

关键词： Endoscopy Digestive system Intestinal neoplasms Self-expandable metal stents Tumor obstruction Self-expandable metal stents complications

Evolving insights:how DNA repair pathways impact cancer evolution

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Cancer Biology & Medicine 2020年第4期17卷 805-827页

作者： jiadong Zhou Xiao albert Zhou Ning Zhang jiadong Wang Department of Radiation Medicine Institute of Systems BiomedicineSchool of Basic Medical SciencesPeking University Health Science CenterBeijing 100191China Biomedical Pioneering Irmovation Center(BIOPIC)and Translational Cancer Research Center School of Life SciencesFirst HospitalPeking UniversityBeijing 100871China Laboratory of Cancer Cell Biology Tianjin Medical University Cancer Instituteand HospitalNational Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinTianjin's Clinical Research Center for CancerTianjin 300060China

Viewing cancer as a large,evolving population of heterogeneous cells is a common *** genomic instability is one of the fundamental features of cancer,this intrinsic tendency of genomic variation leads to striking intratumor heterogeneity and functions during the process of cancer formation,development,metastasis,and *** the increased mutation rate and abundant diversity of the gene pool,this heterogeneity leads to cancer evolution,which is the major obstacle in the clinical treatment of *** rely on the integrity of DNA repair machineries to maintain genomic stability,but these machineries often do not function properly in cancer *** deficiency of DNA repair could contribute to the generation of cancer genomic instability,and ultimately promote cancer *** the rapid advance of new technologies,such as single-cell sequencing in recent years,we have the opportunity to better understand the specific processes and mechanisms of cancer evolution,and让s relationship with DNA ***,we review recent findings on how DNA repair affects cancer evolution,and discuss how these mechanisms provide the basis for critical clinical challenges and therapeutic applications.

关键词： DNA repair cancer evolution intratumor heterogeneity genomic instability drug resistance

Study on hydrogen assisted cracking susceptibility of HSLA steel by implant test

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Defence Technology（防务技术） 2016年第6期12卷 490-495页

作者： Gopa CHAKRABORTY R. REjEESH S.K. albert Materials Technology Division Indira Gandhi Centre for Atomic Research Kalpakkam 603102 India National Institute of Technology Surathkal India

DMR-249 A is an indigenously developed high strength low alloy steel for Indian ship building industry for making ship-hull and is extensively used in the construction of war ships and submarines. Welding electrodes conforming to SFA 5.5 AWS E8018 C1 has been indigenously developed for welding of this steel using shielded metal arc welding process. In the present study, susceptibility to hydrogen assisted cracking of DMR-249 A steel welds made using this electrode has been assessed using implant test. Implant tests were conducted using this electrode at two different levels of diffusible hydrogen, measured using gas chromatography technique. It is observed that both the steel and the welding consumable are not susceptible to hydrogen assisted cracking even with a high diffusible hydrogen level of 9 m L/100 g of weld metal. In implant tests, specimen did not fracture even after loading to stress levels higher than the yield strength of the base metal. The good resistance of this steel and the welding consumable, even with high levels of diffusible hydrogen, is attributed to absence of a susceptible microstructure in both the weld metal and heat affected zone. Hence, this study shows that, in the absence of a susceptible microstructure, hydrogen assisted cracking is unlikely to occur even if hydrogen level is high. It also confirms that in welding of DMR-249 A with indigenously developed E8018 C1 electrode, hydrogen assisted cracking is not a concern and no preheating is required to avoid it during welding.

关键词： HSLA steel Hydrogen assisted cracking Diffusible hydrogen Implant test Lower critical stress