维普中文期刊产品整合服务
11篇 您的检索式:作者名="Heming Zheng"
    题名 作者 年代 出处 被引量
1A New Species of the Genus Protobothrops(Squamata:Viperidae:Crotalinae) from the Dabie Mountains,Anhui,China显示文摘During a biological survey in July 2011, a pit viper was collected from the Yaoluoping Nature Reserve in the Dabie Mountains, Anhui, China. The pit viper's the total length measured 836 mm with a dorsal ground color of yellowbrown, decorated by 56 dark-brown transverse bands. The 4thsupralabial squama of the new species is separated from subocular by two squamae, and the tip of tail is orange; this combination of characters distinguish it from other species of the genus Protobothrops. Based on the body proportions, number of squamae, body color pattern, and comparing the data of its life history with those of other species of Protobothrops, we herein describe it as a new species, belonging to the genus of Protobothrops.Xin HUANG Tao PAN Demin HAN Liang ZHANG Yinxu HOU Lei YU Heming ZHENG Baowei ZHANG 2012Asian Herpetological Research2012,3,3:7
2Observer-based control for the platform of a tethered space robot显示文摘This paper addresses the attitude control problem of a space tethered robot platform in the presence of unknown external disturbance caused by a connecting elastic tether. The tethergenerated unknown disturbance leads to tremendous challenges for attitude control of the platform.In this work, the perturbed attitude dynamics of the platform are derived with a consideration of the libration of the elastic tether, and then with the purpose of compensating the unknown disturbance, major attention is dedicated to develop a nonlinear disturbance observer based on gyros measurements, after which, an adaptive attitude scheme is proposed by combining the disturbance observer with a sliding mode controller. Finally, benefits from the observer based on an adaptive controller are validated by series of numerical simulations.Guang ZHAI Heming ZHENG Bo ZHANG 2018Chinese Journal of Aeronautics2018,31,8:2
3Cavitation Erosion Behavior of CrMnN Duplex Stainless Steel in Distilled Water and 3% NaCl Solution显示文摘The cavitation erosion (CE) behavior of CrMnN ferrite-austenite duplex stainless steel in distilled water and 3% NaCl solution was investigated by using a magnetostrictive-induced CE facility. The damaged surfaces were observed by scanning electron microscope (SEM). It was found that the CE resistance of CrMnN steel was higher than that of 0Cr13Ni5Mo steel. The mass loss rate of CrMnN steel in distilled water was similar to that in 3% NaCl except at the early stage of CE. The failure mode of ferrite phase was brittle fracture, which had adverse effect on the resistance to CE, while the failure of austenite phase was a ductile failure in CrMnN steel. The excellent resistance to CE was related to the good mechanical properties of austenitic phase and the consumption of CE energy by plastic deformation involving slip and twinning.Suzhen LUO, Yugui ZHENG, Wei LIU, Heming JING, Zhiming YAO and Wei KEState Key Laboratory for Corrosion and Protection, Institute of Metai Research, Chinese Academy of Sciences, Shenyang 110016, China 2003Journal of Materials Science & Technology2003,19,4:1
4Erosion - Corrosion of Various Oil - refining Materials in Naphthenic Acid显示文摘Wu Xinqiang Jing Heming Zheng Yugui 2004Wear2004,256,:1
5Erosion-corrosion of various oil-refining materials in naphthenic acid显示文摘Xinqiang Wu Heming Jing Yugui Zheng 2004Wear2004,256,:1
6Erosion - Corrosion of Various Oil - refining Materials in Naphthenic acid 显示文摘Wu Xinqiang Jing Heming Zheng Yugui 2004Wear2004,256,:1
7Erosion--corrosion of various oil--refining materials in naphthenic acid 显示文摘Xinqiang Wu Heming Jing Yugui Zheng 2004Wear2004,256,12:1
8Erosion- Corrosion of Q235 and 5Crl/2Mo Steels in Oil with Naph- thenic Acid and/or Sulfur Compound at High Temperature 显示文摘Qu Dingrong Zheng Yugui Jing Heming 2005MaterCorros2005,56,8:1
9Erosion–corrosion of various oil-refining materials in naphthenic acid显示文摘Xinqiang Wu Heming Jing Yugui Zheng Zhiming Yao Wei Ke 2003Wear2003,,1:1
10Factors associated with levelⅢlymph nodes positive and survival analysis of its dissection in patients with breast cancer显示文摘Objective:Surgical resection remains the mainstream radical therapy in patients with breast cancer.Given that no consensus has been reached on the exact indication for levelⅢlymph node dissection,the aim of this study is to explore factors associated with levelⅢlymph nodes positive and survival analysis of its dissection in patients with breast cancer.Materials and methods:A retrospective study including 61 patients after levelⅠ-Ⅲdissection via a smaller incision of pectoralis major and 61 patients experiencing only levelⅠandⅡclearance was performed.Clinicopathological outcomes were compared initially and survival analysis was conducted subsequently.Results:No significant differences were presented in baseline and clinicopathological characteristics between the two groups.Ten(16.4%)patients’levelⅢnodes were proven positive after levelⅢdissection.Positive nodes in levelⅠandⅡlymph nodes over 9 was demonstrated as an independent predictor of levelⅢnodes positive(OR:200.75[95%CI:7.77e5187.19],p-0.001).Although the levelⅠ-Ⅲlymph node dissection group presented a seemingly better disease-free survival,statistical significance was not detected(p-0.21).Conclusions:This study revealed that having positive nodes in levelⅠandⅡlymph nodes over 9 was a risk factor of levelⅢlymph nodes positive.But levelⅢlymph node dissection does not offer definite survival benefit.Heming Zheng Lixi Luo Wenhe Zhao 2020Laparoscopic, Endoscopic and Robotic Surgery2020,3,2:0
11Adult-born neurons in critical period maintain hippocampal seizures via local aberrant excitatory circuits显示文摘Temporal lobe epilepsy(TLE),one common type of medically refractory epilepsy,is accompanied with altered adult-born dentate granule cells(abDGCs).However,the causal role of abDGCs in recurrent seizures of TLE is not fully understood.Here,taking advantage of optogenetic and chemogenetic tools to selectively manipulate abDGCs in a reversible manner.Liying Chen Yingwei Xu Heming Cheng Zhongxia Li Nanxi Lai Menghan Li Yeping Ruan Yang Zheng Fan Fei Cenglin Xu Jiao Ma Shuang Wang Yan Gu Feng Han Zhong Chen Yi Wang 2023Signal Transduction and Targeted Therapy2023,8,7:0
返回顶部 每页显示:
共1页 首页 上一页 第1页 下一页 末页 /1 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费