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17篇 您的检索式:作者名="Keshen"
    题名 作者 年代 出处 被引量
1A modified method of discontinuity trace mapping using three-dimensional point clouds of rock mass surfaces显示文摘This paper presents an automated method for discontinuity trace mapping using three-dimensional point clouds of rock mass surfaces.Specifically,the method consists of five steps:(1)detection of trace feature points by normal tensor voting theory,(2)co ntraction of trace feature points,(3)connection of trace feature points,(4)linearization of trace segments,and(5)connection of trace segments.A sensitivity analysis was then conducted to identify the optimal parameters of the proposed method.Three field cases,a natural rock mass outcrop and two excavated rock tunnel surfaces,were analyzed using the proposed method to evaluate its validity and efficiency.The results show that the proposed method is more efficient and accurate than the traditional trace mapping method,and the efficiency enhancement is more robust as the number of feature points increases.Keshen Zhang Wei Wu Hehua Zhu Lianyang Zhang Xiaojun Li Hong Zhang 2020Journal of Rock Mechanics and Geotechnical Engineering2020,12,3:6
2Injectable melatonin-loaded carboxymethyl chitosan(CMCS)-based hydrogel accelerates wound healing by reducing inflammation and promoting angiogenesis and collagen deposition显示文摘Carboxymethyl chitosan(CMCS)-based hydrogels have antibacterial activity,and have shown the abilities of preventing wound infection,promoting cell proliferation,accelerating collagen deposition,and stimulating hyaluronic acid formation during wound healing.As a hormone produced by the pineal gland in humans and animals,melatonin promotes skin wound healing by regulating the release of inflammatory mediators and accelerating the proliferation and migration of cells,angiogenesis,and collagen deposition.However,the combined effects of CMCS and melatonin on wound healing remain unclear.Injectable CMCS-based hydrogels containing melatonin were prepared,and their healing effects were evaluated using a full-thickness cutaneous wound model in rats.Compared with the control and the hydrogel with no melatonin groups,the melatonin-loaded hydrogel significantly increased the percentage of wound closure,promoted the proliferation of granulation tissue and re-epithelialization,and accelerated collagen deposition.Additionally,the melatonin-loaded hydrogel promoted angiogenesis and vascular endothelial growth factor receptor protein expression and increased the expression of cyclooxygenase-2 and inducible nitric oxide synthase.The melatonin-loaded hydrogel also markedly increased the expression of collagen III,α-smooth muscle actin,and transforming growth factor-β1 proteins and reduced collagen I expression.These results suggest that the melatonin-loaded hydrogel promoted granulation tissue formation and accelerated wound healing by reducing inflammation and promoting angiogenesis and collagen deposition.Kai Chen Changci Tong Jinge Yang Peifang Cong Ying Liu Xiuyun Shi Xu Liu Jun Zhang Rufei Zou Keshen Xiao Yuyang Ni Lei Xu Mingxiao Hou Hongxu Jin Yunen Liu 2021Journal of Materials Science & Technology2021,,4:2
3Modular Multilevel Inverter with New ModulationMethod and Its App- lication to Photovoltaic Grid-Connected Generator显示文摘Jun Mei Bailu Xiao KeShen 2013IEEE Transactionson PowerElectronic s2013,28,11:1
4Influence of the applica- tion of platelet-enriched plasma in oral mucosal wound healing 显示文摘Jerome AL Keshen RM Irene HA 2007Clin Oral Implants Res2007,18,1:1
5Interaction between Inter-leukin-8and Methylenetetrahydrofolate Reductase Genes Modulates Alzheimer's Disease Risk显示文摘Keshen Li Shengyuan Liu Songpo Yao 2009Dement Geriatr Cogn Disord2009,27,:1
6Glucose production and Gluconeogenesis are negatively related to body weight in mechanically ventilated,very low birth weight neonates显示文摘Keshen T Miller R Jahoor F Jaksic T Reeds PJ 1997Pediatr Res1997,41,1:1
7Association of a miRNA-137 Polymorphism with Schizophrenia in a Southern Chinese Han Population显示文摘Guoda Ma Jingwen Yin Jiawu Fu Xudong Luo Haihong Zhou Hua Tao Lili Cui You Li Zhixiong Lin Bin Zhao Zheng Li Juda Lin Keshen Li Luke Hesson 2014BioMed Research International2014,,:1
8Stable isotopic quantiration of protein metabolism and energy expenditure in neonates on - and post -extracorporeal life support 显示文摘Keshen TH Miller RG Jahoor F 1997J Pediatr Surg1997,32,7:1
9The determinants of protein catabolism in neonates on extracorporeal membrane oxygenation 显示文摘Shew SB Keshen TH Jahoor F 1999J Pediatr Surg1999,34,7:1
10Abnormal mierocireulation in brain tumours during surgery显示文摘Keshen R Mathura Gerrit J Bouma Can Ince 2001RE- SEARCH LETFERS2001,358,17:1
11Glucose prodution and gluconeogenesis are negatively related to body weight in mechanically ventilated, very low birth weight neonates显示文摘Keshen T Miller R Jahoor F 1997Pediatr Res1997,41,1:1
12Stable isotopic quantita- tion of protein metabolism and energy expenditure in neonates on- and post-extracorporeal life support 显示文摘Keshen TH Miller RG Jahoor F 1997J Pediatr Surg1997,32,7:1
13The determinants of pro- tein catabolism in neonates on extracorporeal membrane oxygena- tion显示文摘Shew SB Keshen TH Jahoor F 1999J Podiatr Surg1999,34,7:1
14使用^(13)C_6葡萄糖示踪剂评估极低出生体重儿的半胱氨酸合成Shew S. B. Keshen T. H. Jahoor F. Jaksic T. 宁亮 2005世界核心医学期刊文摘(儿科学分册)2005,0,6:0
15γ-Fe Nano-particles from Fe(CO)_5 by CW CO_2 Laser-driven显示文摘γ-Fe nano-particles with size of 20-40 nm were produced by SF6-sensitized CW CO2 laser-induced gaseous pyrolysis of Fe(Co) 5, The γ-Fe stabte in reaction zone at above 910℃ was formed.The rapid quenching prevents from the γ-Fe transforming to α-Fe as rapidly cooling from high temperature to room temperature, The characteristics of the particles were examined at room temperature by TEM. electron diffraction and XRD. It was proved that about 70% of γ-Fe phase in the particles was present. In addition. the lattice constant of the γ-Fe was 0.364 nm in place of 0.360Xinqing ZHAO Yong LIANG Keshen XIAO Feng ZHENG and Zhuangqi HU (State Key Lab. of RSA, Institute of Metal Research, Academia Sinica, Shenyang, 110015, China)(To whom correspondence should be addressed) 1994Journal of Materials Science & Technology1994,10,2:0
16A Facile and Green Construction of Biomimetic, Fluorine-free and Superhydrophobic Melamine Sponge with Magnetic-driven Function for Efficient Oil–water Separation and Oil Absorption显示文摘Inspired by nature,a superhydrophobic and magnetic melamine sponge(BFSM-MF)was fabricated by a one-step dip-coating method.Aiming at replacing nano-Fe_(3)O_(4) particles with a complex preparation process and high cost,the commercial and cheap Fe_(3)O_(4) originated from magnetite was employed as a magnetic substance.To acquire superhydrophobicity,the hierarchical mirco/nano-sized structure with low surface energy was mainly contributed by bonding hydrophobic Fe_(3)O_(4) and graphene with silicone resin onto the surface of the melamine sponge.The results demonstrated that the water and oil static contact angle values of BFSM-MF were 160°and 0°,revealing that BFSM-MF was superhydrophobic and super-oleophilic.Moreover,the self-cleaning ability,magnetic-driven oil absorption ability and continuous oil–water separation performance of BFSM-MF have also been evaluated.As expected,BFSM-MF possessed magnetic-driven oil absorption ability and the oil–water separation efficiency for light oil reaches 98%±1%.In addition,the adsorption capacity and recycling performance of diff erent organic solvents were systematically investigated.Therefore,the development of biomimetic,fluorine-free and superhydrophobic foam with magnetic-driven eff ect has potential application value in marine oil spill treatment and separation of domestic oil pollution.Chenchen Liao Yurou Xia A.Yinaer Nu Keshen Boya Dai Song’an Zhao Ziqing Hu Zaihang Zheng Yan Liu 2021Journal of Bionic Engineering2021,18,5:0
17人类无细胞真皮在脐疝外科治疗中的应用显示文摘Purpose: The management of giant omphalocele presents a major challenge to pediatric surgeons. Current treatment modalities often result in wound infection, fascial separation, and abdominal domain loss. Human acellular dermis (Allo-Derm), as a primary abdominal fascial substitute, may prevent these complications. We present our experience with its application in neonates with giant omphalocele. Methods: Charts of patients with giant omphalocele from January 2003 to September 2004 were reviewed and data collected regarding wound healing, rate of infection, ventilatory support, and outcome. Results: Three neonates underwent abdominal wall closure with Allo-Derm (gestati- onal ages: 38, 37, and 28 weeks; birthweights 2880, 2640, and 1160 g, respectively). All had cardiac anomal- ies; 1 required cardiac surgery and 1 was ventilatordependent, secondary to pulmonary hypoplasia. Omphalocele repair was performed on day-of-life 9, 2, and 87. No fascial dehiscence or infection was encountered. Neovascularization was noted by day 7. Two died of cardiopulmonary disease (6 months and 1 year). The third exhibited normal growth and development without complication. Conclusions: Allo-Derm provides visceral coverage without compromising cardiopulmonary function, diminishing abdominal domain, or requiring multiple operations, allowing prompt treatment of associated anomalies. Allo-Derm represents an exciting alternative in the treatment of giant omphalocele. Further study is required to determine long-term benefits.Kapfer S.A. Keshen T.H. 刘凯 2006世界核心医学期刊文摘(儿科学分册)2006,2,5:0
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