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蚯蚓活动对土壤氮素矿化的影响

土壤学报 2008年第4期45卷 641-648页

作者：王霞李辉信朱玲刘宾胡锋南京农业大学资源与环境科学学院

通过室内培养试验和田间长期定位试验,探讨了蚯蚓活动对土壤矿质氮的影响。发现蚯蚓对NH4+-N、NO3--N,以及矿质总氮(NH4+-N+NO3--N)均有显著影响,且加速了土壤氮素矿化。小区试验中,在2001年稻季和2003年麦季,蚯蚓活动显著提高了NO3--N... 详细信息

通过室内培养试验和田间长期定位试验,探讨了蚯蚓活动对土壤矿质氮的影响。发现蚯蚓对NH4+-N、NO3--N,以及矿质总氮(NH4+-N+NO3--N)均有显著影响,且加速了土壤氮素矿化。小区试验中,在2001年稻季和2003年麦季,蚯蚓活动显著提高了NO3--N和矿质总氮(p<0.05*),但在其他时期,未有显著影响。室内培养试验中,蚯蚓活动明显加速了氮素矿化。尤其在未施用秸秆时,蚯蚓处理后的硝态氮和矿质总氮明显增加,且累积净矿化量和净矿化率也有显著提高。

关键词：蚯蚓矿质总氮硝态氮铵态氮秸秆

Deregulated Expression of MiR-21 in Human Primary Squamous Cell Lung Carcinoma is Associated with Poor Patient Prognosis

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Deregulated Expression of MiR-21 in Human Primary Squamous C...

2010’全国肿瘤分子标志及应用学术研讨会暨第五届中国中青年肿瘤专家论坛

作者： Wen Gao Hua Shen Lingxiang Liu Jian Xu Jing Xu Yongqian Shu Department of Oncology Department of clinical laboratory the First Affiliated Hospital of nanjing Medical University,nanjing,210029 China Department of Oncology The First Affiliated Hospital of nanjing Medical University 300 Guangzhou Road,nanjing 210029, China.

Purpose This study compared miRNA expression patterns in primary squamous cell lung carcinoma specimens with those of matched normal lung tissue in order to determine their potential relevance to clinicopathological f...

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Heat Transfer Characteristics of Phase Change Material in Rectangular Capsule with Constant Heat Flux Cooling for Cool Storage System

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Heat Transfer Characteristics of Phase Change Material in Re...

2008国际低温与制冷大会

作者： Zhang M Fang G Y Yang F Wu S M Department of Physics nanjing University nanjing 210093 P.R.China

＜正＞This paper presents a solidification process model of phase change cool storage materials in a flat rectangular capsule with constant heat flux *** temperature in solid region is assumed to be quasi-stable distribution,and heat transfer in the flat rectangular capsule filled with phase change material（PCM） is considered to be one-dimensional heat conduction along thickness direction since the capsule thickness is much smaller than the length and *** solidification characteristics of the PCM are solved by an analytical *** results show that the dimensionless heat flux Q has influence on the temperature distribution in solid *** effect of Ste number and dimensionless heat flux Q on the dimensionless time is *** final solidification time to complete solidification process is also analyzed by utilizing this analytical *** analytical method and results can conveniently predict solidification characteristics in a flat rectangular capsule with constant heat flux cooling for cool storage system,and provide useful calculation results for design of the rectangular capsule cool storage system.

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Methane Emission from Natural Wetlands in China:Summary of Years 1995-2004 Studies

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Pedosphere 2007年第4期17卷 475-486页

作者： DING Wei-Xin CAI Zu-Cong State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil Science Chinese Academy of Sciences Nanjing 210008 （China）.

From studies undertaken during 1995-2004, annual budgets of CH4 emissions from natural wetlands and its temporal and spatial variations were examined throughout China, and various factors influencing CH4 emissions were also evaluated. The seasonal variation in CH4 emissions that increased with increasing plant growth reached its peak in August; decrease in the emissions was found in freshwater marshes but not in peatlands. Emissions were mainly controlled by temperature and depth of standing water. Low CH4 emissions at the early plant growing stages were not because of deficiency of organic C for CH4 production but because of low temperatures. Low temperatures not only reduced CH4 production but also stimulated CH4 oxidation by lowering the activity of other aerobic microbes which left more 02 in the rhizosphere for methanotrophs. Low summer temperatures （below 20 ℃） in the Qinghai-Tibetan Plateau lowered CH4 production and CH4 emission resulting in little or no seasonal variation of emissions. Diel and spatial variation in CH4 emissions depended on plant species. For plants that transport CH4 using the pressure-driven convective through-flow mechanism, diel variation in CH4 emissions was governed by diel variation of solar energy load （that produces temperature and vapor pressure differences within various plant tissues） and stomatal conductance. For plants that transport gases using the molecular diffusion mechanism only, the diel variation of CH4 emissions was because of differences in the magnitude of O2 produced through photosynthesis and then delivered into the rhizomes and/or rhizosphere for CH4 oxidation. Emergent plants could transport more CH4 than submerged plants because the former transport CH4 directly into the atmosphere rather than into water as do submerged plants where CH4 can be further be oxidized during its diffusion from water to the atmosphere. Emergent plants with high gas transport capacity could not only transport more CH4 into the atmosphe

关键词： diel variation methane emission seasonal variation temporal variation wetland

A novel competitive fluorescent multiplex STRP assay for rapid,reliable and single-tube screening of 22q11.2 copy-number aberrations

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A novel competitive fluorescent multiplex STRP assay for rap...

江苏省遗传学会第七届二次代表大会暨学术研讨会

作者： Chi Yang1,2,3, Li Shen4, Zhengfeng Xu2*, Xiaojian Wu1, Xuming Mo4, Jingjing Zhang2, Dongjin Wang5, Yaping Wang3, Yuzhu Peng2, Li Cao2, Yongzhong Jiang4, Shi-Lin Chen5, Xuming Bian6, Juntao Liu6, Di Qiao1 and Long Yi1 (1Department of Pathology, nanjing University Medical School, nanjing, PR China 2Center of Prenatal Diagnosis, nanjing Maternity and Child Health Hospital, nanjing Medical University, nanjing, PR China 3Jiangsu Key Laboratory for Molecular Medicine, nanjing University Medical School, nanjing, PR China 4Department of Cardiothoracic Surgery, nanjing Children’s Hospital, nanjing, PR China 5Department of Cardiothoracic Surgery, Drum Tower Hospital Affiliated to nanjing University Medical School, nanjing, PR China 6Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing, PR China)

＜正＞Copy-number aberrations of the 22q11.2 region can lead to varied resulting and complex phenotypes. Routine screening for these common constitutional chromosomal abnormalities requires powerful tools.

关键词： 22q11.2/ Deletion/ Duplication/ Competitive fluorescent multiplex STRP assay/ Screening

以人为本转化机制——关于改善西部人口状况的若干思考

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深圳大学学报（人文社会科学版） 2001年第6期18卷 65-71页

作者：吴山愁南京人口管理干部学院江苏南京210042

人是社会的主体。在西部大开发中,必须以人为本,实现机制的转化。要以人的利益需求为导向、以人的全面发展为中心、以人地关系的和谐为目标,充分发挥人的主观能动作用,从而控制人口数量、提高人口素质和优化人口结构。

关键词：西部开发人口状况西部地区优化人口结构人口素质人地关系人口调控体系人力资源城镇化

Reliable Controller Design Based on Self-organization Fuzzy Neural Network for Satellite Attitude Control Systems

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Reliable Controller Design Based on Self-organization Fuzzy ...

第二十九届中国控制会议

作者： YANG Mingkai 1,CHENG Yuehua 1,2,JIANG Bin 1,1.College of Automation Engineering,nanjing University of Aeronautics and Astronautics,nanjing 210016,P.R.China2.Academy of Frontier Science,nanjing University of Aeronautics and Astronautics,nanjing 210016,P.R.China

A fault detection and diagnosis（FDD）technique of the satellite attitude control systems（ACS）with actuators faults is investigated.A robust controller based on neural network（NNC）is presented which is insensitive to the *** system faults can be identified by the self-organizing fuzzy neural network（SFNN）,and then the obtained estimation is used to reconfigure the control *** neural network estimation system（NNES）begins to work after the fault is detected,which can reduce the computational *** results demonstrate the efficiency of the proposed FDD for satellite ACS.

关键词： Neural Network Fault Detection and Diagnosis Fault Accommodation Satellite Attitude Control Systems

The Structure Designing and the Dynamic Model of Alternating-force Linear Ultrasonic Motors

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The Structure Designing and the Dynamic Model of Alternating...

2011年全国压电和声波理论及器件应用研讨会

作者： Shengli Zhou,Zhiyuan Yao,Jin Sha State Key Laboratory of Mechanics and control for Mechanical Structures,nanjing University of Aeronautics and Astronautics,nanjing 210016,China

＜正＞A new-style linear ultrasonic motor is presented in this *** takes a brief structure with ceramics pasted on its surface,realizing the integrated design of the *** first-rank lonqitudinal vibration of the stator and the ceramics on the driver foot generate alternating force *** driving style doesn’t depend on the elliptical motion of the nodes on the driver *** theoretical model of this kind of motor is given and its analyzing solution is obtained in the *** the result to the solution of the finite element method and the experimental statistics,it is demonstrated that this theoretical model and its analyzing solution are accurate and high-efficiency.

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NRAGE,Neurotrophin receptor interacting MAGE homolog, can bind p53 and and inhibits cell growth

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NRAGE,Neurotrophin receptor interacting MAGE homolog, can bi...

中国细胞生物学学会第八届会员代表大会暨学术大会

作者： Chuan-.Jun Wen, Bin Xue, Wen-Xin Qin, Min-Yue Zhang, Dong-Hong Zhao, Xiang Gao, Jiang-Ren Gu, Chao-Jun Li The Key Lab for Molecular Medical Biology, nanjing Normal University, nanjing 210097, China Shanghai Institute of Cancer, Shanghai 200032, China nanjing University Model Animal Research Center, nanjing University, nanjing 210097, China

A MAGE homologue is cloned through functional screening from human placenta cDNAlibrary. This gene is idenified through sequence comparison to be the human homologue ofrat neurotrophin receptor p75 (p75NTR) interacting MAGE homologue (NRAGE), which caninduce PC12 cell apoptosis upon NGF treatment. We find that hNRAGE can also regulate cellproliferation. Overexpression of hNRAGE can inhibit the colony formation of HEK293,U2OS and HepG2 cell. Cell cycle analysis shows that hNRAGE overexpression blocks cells

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