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| 1 | 2019新型冠状病毒基因组特征和流行病学:病毒起源和受体结合的意义显示文摘研究者对来自9例新型冠状病毒肺炎住院患者的支气管肺泡灌洗液样本和培养的分离株进行了下一代测序。从这些个体中获得了严重急性呼吸综合征-冠状病毒2(severe acute respiratory syndrome-coronavirus 2,SARS-CoV-2)的完整和部分基因组序列。利用Sanger测序连接病毒重叠群以获得全长基因组,cDNA末端快速扩增确定终端区。对这些SARSCoV-2基因组和其他冠状病毒基因组进行了系统进化分析,以确定该病毒的进化史并有助于推断其可能的起源。 | 刘青(译) 刘莉(审校) Lu R Zhao X Li J Niu P Yang B Wu H Wang W Song H Huang B Zhu N Bi Y Ma X Zhan F Wang L Hu T Zhou H Hu Z Zhou W Zhao L Chen J Meng Y Wang J Lin Y Yuan J Xie Z Ma J Liu WJ Wang D Xu W Holmes EC Gao GF Wu G Chen W Shi W Tan W | 2020 | 中华高血压杂志2020,28,3: | 516 |
| 2 | 胡萝卜软腐果胶杆菌巴西亚种(Pectobacterium carotovorum subsp.brasiliense)引起的黄瓜细菌性软腐病在中国发生显示文摘2014—2015年,在中国山东、山西、河北、河南、辽宁等省的黄瓜茎叶上发生了毁灭性的细菌性软腐病,造成了黄瓜产业严重的经济损失。黄瓜叶片、茎、叶柄和果实表面出现流胶;茎基部呈深褐色进而出现湿腐。受侵染的黄瓜叶边缘出现黄斑和湿腐症状,并逐渐扩散至叶片中心。从受侵染组织中分离出45个细菌菌株,在形态学特性鉴定、生理学、生物化学和16Sr RNA基因序列分析的基础上,将病原体鉴定为胡萝卜软腐果胶杆菌(Pectobacterium carotovorum)。多位点序列分析(MLSA)证实,分离菌株是胡萝卜软腐果胶杆菌巴西亚种[Pectobacterium carotovorum subsp.brasiliensis(Pcb)],病原菌归入进化枝II。重新分离获得与原始菌株相同的菌株,证实了分离菌株的致病力。寄主范围测试表明,该菌株具有广泛的寄主范围。目前为止,这是对Pcb引起的黄瓜软腐病——这一对黄瓜生产具有重要经济影响的病害在中国乃至全球范围内的首次报道。 | 冯志琴(译) meng x l chai a l shi y x xie x w ma z h li b j | 2017 | 中国植保导刊2017,37,7: | 10 |
| 3 | Purified human bone marrow multipotent mesenchymal stem cells regenerate infarcted myocardium in experimental rats显示文摘 | Zhang S Jia Z Ge J Gong L Ma Y Li T Guo J Chen P Hu Q Zhang P Liu Y Li Z Ma K Li L Zhou C | 2006 | 中国生物学文摘2006,20,5: | 5 |
| 4 | 钢-混凝土组合桥面板滑移及掀起效应研究显示文摘为了研究钢-混凝土组合桥面板的混凝土开裂、钢与混凝土界面之间的滑移及掀起效应,设计了采用开孔钢板剪力连接件的钢-混凝土组合桥面板试验构件,并进行了负弯矩作用下的全过程试验研究。引入光纤光栅测试技术,完成了试验构件的滑移、掀起及开裂等的测试;采用有限元方法建立了试验构件的数值仿真模型,并将计算结果与试验结果进行了对比分析。研究结果表明:光纤光栅传感器能较准确地观测到开裂荷载,且与应变片测试结果吻合较好;对于普通应变片难以观测的滑移和掀起效应,光纤光栅传感器均表现出较强的优越性。 | 占玉林 宋瑞年 赵人达 牟廷敏 MA Z J | 2014 | 中国公路学报2014,27,11: | 5 |
| 5 | Variations in Wool Growth with Nutrient Supply in Northern China显示文摘Field studies on essessment of nutritional status of the grazing sheep were carried out in each of the three major grassland regions, the eastern Inner Mongolia and beyond grassland, the Inner Mongolia - Ningxia - Gansu grassland and the Xinjiang grassland, in northern China. The results obtained showed that the wool production of fine wool sheep in these regions varied between regions and seasons, with similar seasonal patterns in all regions and that reducing the seasonal variations in nutrient supply would enhance wool production substantially. Nutritional limitations to wool growth of the grazing sheep in these regions were suggested, those were: the shortage of protein supply in winter and early spring; the poor quality of much of the pasture and the hay used as supplements, the low energy intake during winter which probably necessitated the use of body stores to maintain body temperature. | D X Lu,Iner(Mongolia Academy of Animal Sciences.Hohhot City.Inner Mongolia Autgolia Autonmous Region.PRC)Z C Feng,(Mongolia Academy of Animal Sciences.Hohhot City.Inner Mongolia Autgolia Autonmous Region.PRC)H R Wang,(Mongolia Academy of Animal Sciences.Hohhot City.Inner Mongolia Autgolia Autonmous Region.PRC)R Z Yang,(Xinjiang Institute of Animal Science.Xinjiang Academy of Animal Science.Yiu Hou Road.Urumqi.Xinjiang Uygur Autonomous Region PRC)C T Ma,(Chinese Academy of Agricultural Sciences.Lanzhou.Gansu.PRC)D B Purser,(CSIRO Division of Animal Production.Laboratory for Rural Research.Private Bag.P.O.Wembley.Western Australia 6014)J R Lindsay(CSIRO Division of Animal Production.Laboratory for Rural Research.Private Bag.P.O.Wembley.Western Australia 6014)D W Peter(CSIRO Division of Animal Production.Laboratory for Rural Research.Private Bag.P.O.Wembley.Western Australia 6014) | 1997 | 畜牧与饲料科学1997,22,S1: | 3 |
| 6 | ESD reliability and protection schemes in SOI CMOS output buffers显示文摘 | Chan M S Yuen S S Ma Z J | 1995 | IEEE Trans Elec Dev1995,42,10: | 2 |
| 7 | Mutagenicity and acute toxicity of waters from different treatment processess in Beijing waterworks 显示文摘 | Ma M Wang Z J Shang W | 2000 | J Environmental Science and Health (A)2000,35,10: | 2 |
| 8 | 弓形虫感染引起小胶质细胞与神经元的接触以及细胞体周边抑制性突触丧失显示文摘大脑内的感染和炎症会引起神经元连通性和功能的改变。细胞内的原生动物寄生虫,弓形虫,是一种感染脑部的病原体,可引起脑炎和癫痫发作。这种寄生虫的持续感染还与行为改变和发生精神疾病(包括精神分裂症)的风险增加有关。目前来自人类和小鼠模型的研究证据表明,癫痫发作和精神分裂症均由抑制性突触的丧失或功能障碍引起。与此相符,我们最近报道了持续性弓形虫感染改变谷氨酸脱羧酶67(GAD67)的分布,该酶在抑制性突触中催化GABA的合成。这些变化可能反映突触前装置在抑制性神经元中的重新分布或抑制性神经末梢的丧失。为了直接评估后者的可能性,我们采用序列块面扫描电子显微镜(SBFSEM)并量化寄生虫感染后新皮质和海马中的细胞体周边抑制性突触。持续感染不仅导致明显的细胞体周边突触丧失,而且还诱导髓样来源的细胞对神经元细胞体的包封。免疫组织化学、遗传和超微结构分析显示,这些髓样来源的细胞包括活化的小胶质细胞。最后,超微结构分析确定了包膜于细胞体周围神经末梢的髓样来源的细胞,提示它们可能会主动置换或吞噬突触元件。因此,这些结果表明,活化的小胶质细胞有助于寄生虫感染后细胞体周围抑制突触损失,并对于弓形虫的持续感染可能如何导致癫痫发作和精神疾病提供了一种新的机制。 | Carrillo GL Ballard VA Glausen T Boone Z Teamer J Hinkson CL Wohlfert EA Blader IJ Fox MA 杜一星(编译) | 2020 | 神经损伤与功能重建2020,15,3: | 2 |
| 9 | 冠状动脉钙化用于指导个性化阿司匹林治疗以预防心血管病:基于多民族动脉粥样硬化研究显示文摘最近美国心脏病学会/美国心脏协会(American College of Cardiology/American Heart Association,ACC/AHA)的一级预防指南建议,低剂量阿司匹林治疗仅适用于年龄40~70岁、患动脉粥样硬化性心血管病(atherosclerotic cardiovascular disease,ASCVD)风险较高,但出血风险不高的成年人。然而,尚不清楚如何更准确地识别出这些患者。根据2019年降低心血管病相对危险度和出血风险的阿司匹林荟萃分析研究数据,本研究旨在评估冠状动脉钙化(coronary artery calcium,CAC)在指导阿司匹林在一级预防中如何使用的价值。 | 周卫(译) 叶鹏(摘/审校) Achirica MC Miedema MD McEvoy JW Rifai MA Greenland P Dardari Z Budoff M Blumenthal RS Yeboah J Duprez DA Mortensen MB Dzaye O Hong J Nasir K Blaha MJ | 2020 | 中华高血压杂志2020,28,4: | 2 |
| 10 | PZT-based materials with bilayered structure preparation and ferroelectric properties显示文摘 | He Z M Ma J Zhang R F | 2003 | Journal of the European Creamic Society2003,23,11: | 1 |
| 11 | Power density distribution simulation and relevant heat effect calculation of a high-power CO2 laser with low order modes显示文摘 | MA K FAN Z B | 2002 | Chinese Journal of Laser2002,11,5: | 1 |
| 12 | Complete genomes of two clinical Staphylococcus aureus strains:evidence for the rapid evolution of virulence and drug resistance显示文摘 | Holden MT Feil EJ Lindsay JA Peacock SJ Day NP Enright MC Foster TJ Moore CE Hurst L Atkin R Barron A Bason N Bentley SD Chillingworth C Chillingworth T Churcher C Clark L Corton C Cronin A Doggett J Dowd L Feltwell T Hance Z Harris B Hauser H Holroyd S Jagels K James KD Lennard N Line A Mayes R Moule S Mungall K Ormond D Quail MA Rabbinowitsch E Rutherford K Sanders M Sharp S Simmonds M Stevens K Whitehead S Barrell BG Spratt BG Parkhill J | 2004 | Proc Natl Acad Sci USA2004,101,26: | 1 |
| 13 | Alkaline syenites in eastern Cathaysia (South China): Link to Permian-Triassic transtension显示文摘 | Wang Q Li J W Jian P Zhao Z H Xiong X L Bao Z W Xu J F Li C F Ma J L | 2005 | Emth Planet Sci Lett2005,230,34: | 1 |
| 14 | A systematic study on spatial and seasonal patterns of eight taste and odor compounds with relation to various biotic and abiotic parameters in Gonghu Bay of Lake Taihu,China显示文摘 | CHEN J ME P MA Z | 2010 | Sci Total Environ2010,409,2: | 1 |
| 15 | Mechanism of induction of cytochrome p450ac(p450j) in chemically induced and spontaneously diabetic rats显示文摘 | Dong Z Hong J Ma Q LiD | 1988 | Arch Biochem Biophys1988,263,: | 1 |
| 16 | Analysis and design of fuzzy controller and fuzzy observer显示文摘 | Ma X J Sun Z Q He Y Y | 1998 | IEEE Trans on Fuzzy Systems1998,6,1: | 1 |
| 17 | Study on gelcasting processing of high power rutile capacitor显示文摘 | Yang J L Xie Z P Ma J C | 1999 | Key Engineering Materials1999,,: | 1 |
| 18 | Analysis and design of fuzzy controller and observer 显示文摘 | Ma X J Sun Z Q He Y Y | 1998 | IEEE Trans on Fuzzy Systems1998,6,1: | 1 |
| 19 | Groundwater recharge history and hydrogeochemical evolution in the Minqin Basin, North West China 显示文摘 | Edmunds W M Ma J Z Aeschbach-Hertig W | 2006 | Applied Geochemistry2006,21,12: | 1 |
| 20 | Comparison between non-probabilistic interval analysis method and probabilistic approach in static response problem of structures with uncertain-but-bounded parameters显示文摘 | Qiu z P Ma Y Wang X J | 2004 | Communications in Numerical Methods in Engineering2004,20,4: | 1 |