|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Curcumin protects PC12 cells against 1-methyl-4-phenylpyridinium ion-induced apoptosis by bcl-2-mitochondria-ROS-iNOS pathway.显示文摘 | Chert J Tang XQ Zhi JL Cui Y Yu HM Tang EH Sun SN Feng JQ Chen PX Chen J | 2006 | 中国生物学文摘2006，20，10： | 16 |
| 2 | 健康成人动脉粥样硬化斑块易感性和血栓形成的生物标志物变化与极端空气污染水平相关:北京AIRCHD研究显示文摘空气污染与心血管事件恶化的病理生理机制尚不完全清楚。该文探讨环境空气污染是否可以触发易损斑块.通过全身炎症途径促进血栓形成。方法:在北京AIRCHD研究中.2014-2016年间对73名健康成年人[年龄(23.3±5.4)岁]进行了随访。研究者使用线性混合效应模型评估了空气污染物与动脉粥样硬化斑块易损性、血栓形成和炎症相关生物标志物之间的关系,并使用中介效应分析(mediation analyses)探讨涉及的生物学途径。通过受试者工作特征(receiver operating characteristic,ROC)曲线分析评估每种生物标记物预测环境空气污染暴露的能力。 | 刘青 叶鹏 Xu H Wang T Liu S Brook RD Feng B Zhao Q Song X Yi T Chen J Zhang Y Wang Y Zheng L Rajagopalan S Li J Huang W | 2019 | 中华高血压杂志2019，27，4： | 13 |
| 3 | EXPERIMENTAL AND NUMERICAL RESEARCH ON BULLDOZER WORKING PROCESS显示文摘A simulative analysis coupled with experiment on behaviors of a soil bed cut by a model bulldozer blade is carried out using the finite element/distinct element method(FE/DEM) facility built in the ELFEN package. Before simulation,the soil specimens are examined through uniaxial tensile/compression,triaxial compression and direct shear tests to obtain model characteristics and relevant parameters,then soil cutting experiments are carried out via a mini-soil bin system with a soil bed of 60/120 mm in width and 10 mm in depth cut by a 1/9 scale model bulldozer blade moving with the velocity of 10 mm/s. The soil constitutive model includes the tensile elastic model for tensile breakage and the compressive elastoplastic relationship with Mohr-Coulomb criterion. The cutting length in simulation is set as 1/4 of that in the experiment divided into 1 869 triangular elements. The comparison between the simulated results and experimental ones shows that the used model is capable of analyzing soil dynamic behaviors qualitatively,and the predicted fracturing profiles in general conform to the experiment. Hence the feasibility for analyzing soil fracturing behaviors in tillage or other similar processes is validated. | LI Yanjie XU Yong HUANG Wenbin FENG Y T OWEN D R J | 2007 | Chinese Journal of Mechanical Engineering2007，20，2： | 3 |
| 4 | 全颗粒饲料对奶牛生产性能的影响显示文摘饲料中的中性洗涤纤维(NDF)含量和饲料颗粒直径是影响瘤胃功能的重要因素。试验评估了以颗粒饲料为主的奶牛瘤胃健康情况、NDF消化率和生产性能。选取8头荷斯坦母牛(336±30 d,体重346±35 kg),随机分配到交叉重复试验组中,奶牛安置于牛栏,自由采食。试验期为3周,前两周是适应期,最后一周为数据收集期。各组饲粮原料相同,但物理形式不同,分为全混合日粮(TMR)和颗粒料(直径=8 mm)。两组间物理有效NDF(pe NDF)不同,TMR组为39.8%,颗粒料组为11.8%。在试验过程中,干物质采食量(DMI)、饮水量、瘤胃反刍时间、瘤胃温度和pH情况均记录。3周后收集粪样,确定潜在的可消化NDF总消化率(pdNDF)。每阶段结束后计算平均日增重和饲料转化率。颗粒料组的DMI、DMI/体重和饮水量更高。而两组间平均日增重和饲料转化率无显著差异。颗粒料组的瘤胃反刍时间为241 min·d-1低于TMR组的507 min·d-1。饲料的不同物理外形对瘤胃温度、瘤胃pH无显著影响。TMR组的pdNDF总消化率为90.25%高于颗粒料组的86.82%。试验结果表明,动物易接受完整的颗粒饲料,DMI较高,且反刍时间减少,但瘤胃pH无显著变化。TMR组的pdNDF消化率显著增加。尽管两组奶牛在DMI和纤维消化方面表现不同,但总体表现相似,两组饲料的保存时间与其物理形式有关。在短期内,提供能满足NDF需求的完全颗粒饲料可改善瘤胃健康状况和动物生产性能,而较长时间的数据则需要进一步试验。 | Wang J Yang M Cao M Lin Y Che L Q Duraipandiyan V Al-Dhabi N A Fang Z F Xu S Y Feng B Liu G Wu D Bonfante E Palmonari A Mammi L Canestrari G Fustini M Formigoni A | 2016 | 饲料博览2016，0，12： | 2 |
| 5 | Terahertz Semiconductor Quantum Well Devices显示文摘For eventually providing terahertz science with compact and convenient devices,terahertz (1~10THz) quantum-well photodetectors and quantum-cascade lasers are investigated.The design and projected detector performance are presented together with experimental results for several test devices,all working at photon energies below and around optical phonons.Background limited infrared performance (BLIP) operations are observed for all samples (three in total),designed for different wavelengths.BLIP temperatures of 17,13,and 12K are achieved for peak detection frequencies of 9.7THz(31μm),5.4THz(56μm),and 3.2THz(93μm),respectively.A set of THz quantum-cascade lasers with identical device parameters except for doping concentration is studied.The δ-doping density for each period varies from 3.2×1010 to 4.8×1010cm-2.We observe that the lasing threshold current density increases monotonically with doping concentration.Moreover,the measurements for devices with different cavity lengths provide evidence that the free carrier absorption causes the waveguide loss also to increase monotonically.Interestingly the observed maximum lasing temperature is best at a doping density of 3.6×1010cm-2. | Liu H C Luo H Ban D Waichter M Song C Y Wasilewski Z R Buchanan M Aers G C SpringThorpe A J Cao J C Feng S L Williams B S Hu Q | 2006 | Journal of Semiconductors2006，27，4： | 2 |
| 6 | Influence of Eutrophication on the Distribution of Total Mercury and Methylmercury in Hydroelectric Reservoirs显示文摘 | Meng Bo Feng X B Chen C X Qiu G L Sommar J Guo Y N Liang P Wan Q | 2010 | EN2010，，5： | 2 |
| 7 | Effect of closure of live poultry markets on poultry-to-person transmission of avian influenza A H7N9 virus: an ecological study显示文摘 | Hongjie Yu Joseph T Wu Benjamin J Cowling Qiaohong Liao Vicky J Fang Sheng Zhou Peng Wu Hang Zhou Eric H Y Lau Danhuai Guo Michael Y Ni Zhibin Peng Luzhao Feng Hui Jiang Huiming Luo Qun Li Zijian Feng Yu Wang Weizhong Yang Gabriel M Leung | 2013 | The Lancet2013，，： | 2 |
| 8 | Epigenetic mechanism of growth inhibition induced by phenylhexyl isothiocyanate in prostate cancer cells显示文摘 | BEKLEMISHEVA AA FANG Y FENG J | 2006 | Anticancer Res2006，26，2： | 1 |
| 9 | Encapsulation of enzymes in mesoporous host materials via the nonsurfactant- templated sol-gel process 显示文摘 | Wei Y Xu J G Feng Q W | 2000 | Materials Letters2000，44，1： | 1 |
| 10 | DEA models for supply chain efficiency evaluation显示文摘 | Liang L Feng Y Cook W D Zhu J | 2006 | Annals of Operations Research2006，145，1： | 1 |
| 11 | Triblock copolymer syntheses of mesoporous silica with periodic 50 to 300 angstrom pores 显示文摘 | Zhao D Y Feng J L Huo Q S | 1998 | Science1998，279，： | 1 |
| 12 | Moving element method for train-track dynamics显示文摘 | Koh C G Ong J S Y Chua D K H Feng J | 2003 | International Journal for Numerical Methods in Engineering2003，56，： | 1 |
| 13 | The effect of Y on glass forming ability显示文摘 | Zhang J Tan H Feng Y P et ol | 2005 | Scripta Materialia2005，53，： | 1 |
| 14 | Hydrolysis of DNA by N-phosphoryl branched peptide 显示文摘 | Xiao A S Yang J Feng Y P | 2005 | Phosphorus Sulfur and Silicon and the Related Elements2005，180，8： | 1 |
| 15 | Global entropy solutions to the relativistic Euler equations for a class of large initial data显示文摘 | LI Y C FENG D M WANG Z J | 2005 | Zeitschrift für angewandte Mathematik und Physik2005，56，2： | 1 |
| 16 | Phase Ⅲ,randomized study of gemcitabine and oxaliplatin versus gemcitabine (fixed-dose rate infusion) compared with gemcitabine (SO-minute infusion) in patients with pancreatic carcinoma E6201:a trial of the Eastern Cooperative Oncology Group显示文摘 | Poplin E Feng Y Berlin J | 2009 | J Clin Oncol2009，27，23： | 1 |
| 17 | Liposonmal oral DNA vaccine(mycobacterium DNA) elicits immune response显示文摘 | Wang D Xu J Feng Y H | 2010 | Vaccine2010，28，18： | 1 |
| 18 | A study of drilling uni-directionalcarbon/epoxy composites显示文摘 | Gao H Bao Y J Feng Z M | 2011 | International Journal of AbrasiveTechnology2011，4，1： | 1 |
| 19 | The Instability of a class of nonlinear coupled system显示文摘 | Feng Y Zhang J | 2003 | Journal of Sichuan Normal University (Natural Science)2003，26，3： | 1 |
| 20 | Triblock Copolymer Syntheses of Mesoporous Silica with Periodic 50 to 300 Angstrom Pores显示文摘 | Zhao D Y Feng J L Huo Q S | 1998 | Science1998，279，： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员