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13th Asia-Pacific Congress of Clinical Microbiology and Infection Consensus Guidelines for diagnosis and treatment of liver failure

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Hepatobiliary & Pancreatic Diseases International 2013年第4期12卷 346-354页

作者： lan-juan Li Organization Committee of 13th Asia-Pacific Congress of Clinical Microbiology and Infection State Key Laboratory for Diagnosis and Treatment of Infectious Diseases First Affiliated Hospital Zhejiang University School of Medicine

Introduction Liver failure is defined as hepatocellular dysfunction manifested by severe synthetic and metabolic disturbance with extremely high *** and clinicians have been trying to explore itsdefinition,classificat... 详细信息

关键词： liver failure

Comparative Analysis of Gene Expression Profiling Between Resistant and Susceptible Varieties Infected With Soybean Cyst Nematode Race 4 in Glycine max

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Journal of Integrative Agriculture 2014年第12期13卷 2594-2607页

作者： LI Bin SUN Jun-ming WANG lan zhao Rong-juan WANG Lian-zheng The National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Key Laboratory of Soybean Biology (Beijing) MOA/Institute of Crop Sciences Chinese Academy of Agricultural Sciences

Soybean cyst nematode （SCN） is one of the most devastating pathogen for soybean. Therefore, identiifcation of resistant germplasm resources and resistant genes is needed to improve SCN resistance for soybean. Soybean varieties Huipizhiheidou and Wuzhaiheidou were distributed in China and exhibited broad spectrums of resistance to various SCN races. In this study, these two resistant varieties, combined with standard susceptible varieties （Lee and Essex）, were utilized to identify the differentially expressed transcripts after infection with SCN race 4 between resistant and susceptible reactions by using the Affymetrix Soybean Genome GeneChip. Comparative analyses indicated that 21 common genes changed signiifcantly in the resistant group, of which 16 increased and 5 decreased. However, 12 common genes changed signiifcantly in the susceptible group, of which 9 increased and 3 decreased. Additionally, 27 genes were found in common between resistant and susceptible reactions. The 21 signiifcantly changed genes in resistant reaction were associated with disease and defense, cell structure, transcription, metabolism, and signal transduction. The fold induction of 4 from the 21 genes was conifrmed by quantitative RT-PCR （qRT-PCR） analysis. Moreover, the gene ontology （GO） enrichment analyses demonstrated the serine family amino acid metabolic process and arginine metabolic process may play important roles in SCN resistance. This study provided a new insight on the genetic basis of soybean resistance to SCN race 4, and the identiifed resistant or resistant-related genes are potentially useful for SCN-resistance breeding in soybean.

关键词： soybean soybean cyst nematode Affymetrix Soybean Genome GeneChip gene ontology

Theoretical studies on the complexation of Eu(Ⅲ) and Am(Ⅲ) with HDEHP： structure, bonding nature and stability

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Science China Chemistry 2016年第3期59卷 324-331页

作者： juan luo congzhi wang jianhui lan qunyan wu yuliang zhao zhifang chai changming nie weiqun shi school of chemistry and chemical engineering university of south chinaHengyang 421001China laboratory of nuclear energy chemistry and key laboratory for biomedical effects of nanomaterials and nanosafety institute of high energy physicschinese academy of sciencesBeijing 100049China school of radiological and interdisciplinary sciences(rad-x)and collaborative innovation center of radiation medicine of jiangsu higher education institutions soochow universitySuzhou 215123China

Separation of trivalent lanthanides （Ln（Ⅲ）） and actinides （An（Ⅲ）） is a key issue in the advanced spent nuclear fuel repro- cessing. In the well-known trivalent actinide lanthanide separation by phosphorus reagent extraction from aqueous komplexes （TALSPEAK） process, the organophosphorus ligand HDEHP （di-（2-ethylhexyl） phosphoric acid） has been used as an efficient reagent for the partitioning of Ln（Ⅲ） from An（Ⅲ） with the combination of a holdback reagent in aqueous lactate buffer solu- tion. In this work, the structural and electronic properties of Eu3＋ and Am3＋ complexes with HDEHP in nitric acid solution have been systematically explored by using scalar-relativistic density functional theory （DFT）. It was found that HDEHP can coordinate with M（Ⅲ）（M=Eu, Am） cations in the form of hydrogen-bonded dimers HL2 （L=DEHP）, and the metal ions pre- fer to coordinate with the phosphoryl oxygen atom of the ligand. For all the extraction complexes, the metal-ligand bonds are mainly ionic in nature. Although Eu（Ⅲ） complexes have higher interaction energies, the HL2- dimer shows comparable affini- ty for Eu（Ⅲ） and Am（Ⅲ） according to thermodynamic analysis, nonahydrate. It is expected that this work could provide insightful HDEHP at the molecular level. which may be attributed to the higher stabilities of Eu（Ⅲ） information on the complexation of An（Ⅲ） and Ln（Ⅲ） with

关键词： density functional theory di-(2-ethylhexyl) phosphoric acid actinide lanthanide solvent extraction

A Visco-hyperelastic Constitutive Model for Rubber Considering the Strain Level and One Case Study in the Sealing Packer

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Acta Mechanica Solida Sinica 2023年第5期36卷 710-723页

作者： lan Jin Demin zhao Jianlin Liu College of Pipeline and Civil Engineering China University of Petroleum(East China)Qingdao 266580China

The rubber cylinder is a key component for maintaining the sealing pressure of the packer,particularly in deep underground *** stress relaxation of materials,as a typical feature of viscoelasticity,has become one of the main factors causing the failure of rubber cylinders in *** the present study,a visco-hyperelastic model for the sealing rubber considering different strain levels is proposed based on the Prony ***,the uniaxial compression stress relaxation experiments are conducted on the sealing rubber under different temperatures and strain levels,and the model parameters are thereby *** a case study,the proposed model is incorporated into the ABAQUS software via the UM AT subroutine,and the finite element simulation of the sealing packer is carried *** results show that the sealing performance of the packer improves with a decrease in temperature or an increase in strain *** is also noted that a large strain level can lead to the protrusion of the shoulder of the rubber cylinder.

关键词： Visco-hyperelastic model Temperature Strain level Rubber cylinder Sealing performance

The identification of comets in Chinese historical records

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Science China(Physics,Mechanics & Astronomy) 2011年第1期54卷 150-155页

作者： ZHANG lan zhao Gang National Astronomical Observatories Chinese Academy of Sciences Beijing 100012 China

The historical records of astronomical phenomena may play a significant role in comet *** an accurate result is based on many factors,of which the calculation of orbital elements is the most *** paper presents a "Cross Reference" method in which the perturbation of Jupiter is the only considered factor used to attempt an efficient way of comet identification with ancient Chinese historical *** this method,the records before and after the calculated result from orbital determination within the error range are compared with the historical records to find the correlated perihelion time,and then,with five other orbital elements at the perihelion time,the ephemeris is *** the calculated ephemeris matches the historical records,it is concluded that the comet determined by orbital calculation is the same as the one recorded in *** this method,three comets with four historical records have already been found.

关键词： celestial mechanics methods:numerical comets:general

NEW RESULTS ABOUT THE RELATIONSHIP BETWEEN OPTIMALLY WEIGHTED LEAST SQUARES ESTIMATE AND LINEAR MINIMUM VARIANCE ESTIMATE

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Journal of Systems Science & Complexity 2009年第1期22卷 137-149页

作者： juan zhao Yunmin ZHU Department of Electronic Engineering Beijing Institute of Technology Beijing 100081 China. Department of Mathematics Sichuan University Chengdu 610064 China.

The optimally weighted least squares estimate and the linear minimum variance estimateare two of the most popular estimation methods for a linear *** this paper,the authors makea comprehensive discussion about the relationship between the two ***,the authorsconsider the classical linear model in which the coefficient matrix of the linear model is deterministic,and the necessary and sufficient condition for equivalence of the two estimates is ***,under certain conditions on variance matrix invertibility,the two estimates can be identical providedthat they use the same a priori information of the parameter being ***,the authorsconsider the linear model with random coefficient matrix which is called the extended linear model;under certain conditions on variance matrix invertibility,it is proved that the former outperforms thelatter when using the same a priori information of the parameter.

关键词： Conditional expectation linear minimum variance estimation necessary and sufficient condition optimally weighted least squares estimation.

Fractionation and solubility of cadmium in paddy soils amended with porous hydrated calcium silicate

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Journal of Environmental Sciences 2007年第3期19卷 343-347页

作者： zhao Xiu-lan Saigusa Masaihiko College of Natural Resources and Environmental Sciences Southwest University Chongqing 400716 China Experimental Farm Graduate School of Agricultural Sciences Tohoku University Naruko Miyagi 989-6711 Japan

Previous studies have shown that porous hydrated calcium silicate （PS） is very effective in decreasing cadmium （Cd） content in brown rice. However, it is unclear whether the PS influences cadmium transformation in soil. The present study examined the effect of PS on pH, cadmium transformation and cadmium solubility in Andosol and Alluvial soil, and also compared its effects with CaCO3, acidic porous hydrated calcium silicate （APS） and silica gel. Soil cadmium was operationally fractionationed into exchangeable （Exch）, bound to carbonates （Carb）, bound to iron and manganese oxides （FeMnOx）, bound to organic matters （OM） and residual （Res） fraction. Application of PS and CaCO3 at hig rates enhanced soil pH, while APS and silica gel did not obviously change soil pH. PS and CaCO3 also increased the FeMnOx-Cd in Andosol and Carb-Cd in Alluvial soil, thus reducing the Exch-Cd in the tested soils. However, PS was less effective than CaCO3 at the same application rate. Cadmium fractions in the two soils were not changed by the treatments of APS and silica gel. There were no obvious differences in the solubility of cadmium in soils treated with PS, APS, silica gel and CaCO3 except Andosol treated 2.0% CaCO3 at the same pH of soil-CaC12 suspensions. These findings suggested that the decrease of cadmium availability in soil was mainly attributed to the increase of soil pH caused by PS.

关键词： porous hydrated calcium silicate solubility soil cadmium

The chlorine evolution reaction promoted by organocatalysts with amide functional groups

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Science China Chemistry 2024年第3期67卷 749-750页

作者： lan zhao Liang-Nian He State Key Laboratory and Institute of Elemento-Organic Chemistry College of ChemistryNankai UniversityTianjin 300071China

Since the nineteenth century, the chlor-alkali process entails the electrochemical oxidation of sodium chloride solutions to Cl_(2) by the chlorine evolution reaction(CER) and the simultaneous production of sodium hyd... 详细信息

关键词： chlorine hydroxide promoted

Review of hand, foot and mouth disease

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Frontiers of Medicine 2010年第2期4卷 139-146页

作者： lan-juan LI State Key Laboratory for Diagnosis and Treatment of Infectious Diseases The First Affiliated HospitalCollege of MedicineZhejiang UniversityHangzhou 310003China

Hand,foot and mouth disease(HFMD)is an acute viral illness that primarily affects infants and young children,and often occurs in clusters or *** major causative agents of HFMD are coxsackievirus A16(CVA16),human enterovirus 71(HEV71)and coxsack-ievirus A10(CVA10),of the genus Enterovirus in the family *** caused by EV71 is associated with severe neurological complications and *** the late 1990s,several major epidemics of EV71 HFMD have swept through the Asia-Paciﬁc region,associated with a rapid fulminant course,severe neurolo-gical complications,and a large number of *** now,little has been known about the genetics and transmission trends of the fast-mutation virus,and there is no effective and speciﬁc antiviral therapy or vaccine for *** is time to step up efforts to understand the molecular epidemics and pathogenesis so that we can develop effective management strategies and surveillance programs.

关键词： hand,foot and mouth disease epidemiology pathogenesis management surveillance