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| 1 | Automated Sequencing and Subassembly Detection in Automobile Body Assembly Planning显示文摘The choice of the sequence in which parts or subass em blies are put together in the mechanical assembly of a product can drastical ly affect the efficiency of the assembly process. Unlike metal cutting operation s where computer aided system have been available for some 15 to 25 years to hel p manufacturing engineers in generating cutting sequences and NC programs, the m ajority of assembly planning tasks in automobile body design is still manually p erformed by assembly designers according to their past experiences. This has prolonged the production lead time and time to market. This paper describes a p rocedure to automatically derive all the feasible assembly sequences for automob ile body assembly. The procedure is based on a mathematical model of the automob ile body, obtained through the definitions of the connection matrix and contract ed matrix. These two matrices represent the precedence constraint knowledge amon g components and subassemblies. The possible subassemblies are automatically det ected by satisfying some mathematical conditions applicable to these matrices. F or each subassembly and the whole product, all the possible assembly sequences a re generated by rearranging the initial connection sub-matrix and the contracte d matrix. The procedure is applicable to compliant component assemblies, suc h as the automobile body assembly, aircraft frame assembly, and can solve the 'combinatorial explosion' problem efficiently. | ZHANG Yi-zhu 1, NI Jun 2, LIN Zhong-qin 1, LAI Xin-min 1 (1. Institute of Mechanics and Engineering, Shanghai Jiaotong Universit y, Shanghai 200030, China 2. Department of Mechanical Engineering, The University of Michigan, Michigan, U SA) | 2002 | 厦门大学学报(自然科学版)2002，41，S1： | 3 |
| 2 | Report of 24 Left-Sided Portal Hypertension Cases: A Single-Center Prospective Cohort Study显示文摘 | Seyfettin K?klü MD Osman Yüksel MD Mehmet Arhan MD ?ahin ?oban MD ?mer Ba?ar MD ?mer Faruk Yolcu MD Engin U?ar MD Mehmet Ibi? MD ?brahim Ertu?rul MD Burhan ?ahin MD | 2005 | Digestive Diseases and Sciences2005，，5： | 1 |
| 3 | Gastrointestinal lymphoma: a spectmm of fluoroscopic and CT findings 显示文摘 | Engin G Kommn U | 2011 | Diagn Interv Radiol2011，17，3： | 1 |
| 4 | Light harvesting and efficient energy transfer in a boron dipyrrin (BODIPY) functionalized perylenediimide derivative显示文摘 | Deniz Y Altan B Engin U | 2006 | Org Lett2006，8，10： | 1 |
| 5 | Arsenic related hearing loss in miners显示文摘 | Gülin G?k?en Kesici ?lhan ünlü Arzu Ba?türk Top?u Ceylan Demir Bal Engin Tutkun ?mer H?n? Y?lmaz | 2016 | American Journal of Otolaryngology--Head and Neck2016，，1： | 1 |
| 6 | Gastrointestinal lymphoma:a spectrum of fluoroscopic and CT findings显示文摘 | Engin G Korman U | 2011 | Diagn Interv Radiol2011，17，3： | 1 |
| 7 | Research on Vibration Cutting Performance of Particle Reinforced Metallic Matrix Composites SiC_p/Al显示文摘The cutting performance of particle reinforced meta ll ic matrix composites (PRMMCs) SiC p/Al in ultrasonic vibration cutting and comm on cutting with carbide tools and PCD tools was experimentally researched in the paper. The changing rules of chip shape, deformation coefficient, shear angle a nd surface residual stress were presented by ultrasonic vibration cutting. Resul ts show: when adopting common cutting, spiral chip with smaller curl radius will be obtained. The chip with zigzag contour is short and thick. There are lots of sheet cracking both on the face of the chip and on the machined surface. That i s to say, the cutting process of metallic matrix composites(MMCs) is not all lik e the cutting process of plastic material. It is akin to the breaking process of brittle material. By comparison, when adopting ultrasonic cutting, because tool contacts with workpiece intermittently in high frequency, deformation of chip i s small, loose spiral chip with larger curl radius is long and thin. The phenome non is just similar to vibration cutting of plastic material. But the chip still belongs to plastic or semi-plastic segmental chip due to the structure charact eristics of the material itself. Furthermore, the tangential residual compressio n stress of vibration cutting is larger than that of common cutting, axial resid ual stress has a relation to the feed rate and residual stress does not changes obviously with cutting depth and they are in the same order of magnitude on the whole. According to the test result analyzing, the following conclusions are put forward: 1) The extruding deformation is serious in common cutting PRMMCs, defo rmation of it’s chip is larger, and the chip with lesser curl radius is short. Whereas, the deformation of chip in vibration cutting PRMMCs is lesser, the curl radius is bigger, and the loose chips are obtained at every turn. 2) The cuttin g deformation coefficient of chip in vibration cutting is lesser than that in co mmon cutting, however the shear angle is bigger. 3) The tangential residual compression stress of vibration cutting is larger than that of common cutting, a nd residual stress does not change obviously with cutting depth, they are in the same order of magnitude on the whole. | ZHAO Bo 1,2, LIU Chuan-shao 2, ZHU Xun-sheng 1, XU Ke-wei 1 (1. Institute of Mechanical Engineering, Shanghai Jiaotong U niversity, Shanghai 200030, China 2. Department of Mechanical Engineering, Jiaozuo Institute of Technology, Hena n 454000, China) | 2002 | 厦门大学学报(自然科学版)2002，41，S1： | 1 |
| 8 | STABILITY OF BOREHOLES IN A GEOLOGIC MEDIUM INCLUDING THE EFFECTS OF ANISOTROPY显示文摘IntroductionThestudyofresponseofaboreholetochangingloadingconditionsisofparticularinteresttoeveralengineringfieldsincludingpe... | Dinesh Gupta, Musharraf Zaman (School of Civil Engineering and Environmental Science, University of Oklahoma, Norman, OK 73019, U S A) (Communicated by Chien Weizang) | 1999 | Applied Mathematics and Mechanics(English Edition)1999，20，8： | 1 |
| 9 | Selective Hg (Ⅱ)sensing with improved stokes shift by coupling the internal charge transfer process to excitation energy transfer显示文摘 | Serdar A Tugba Ozdemir Engin U A | | 0，，21： | 1 |
| 10 | The MTF assay yields a relatively lower result of growth inhibi-tion than the ATP assay depending on the chemother- apeutic drugs tested 显示文摘 | ENGIN U FERDA O ARZU Y O | 2008 | Toxicol in Vitro2008，22，1： | 1 |
| 11 | Remarkable cooperative action of two zinc centers in the hydrolysis of plasmid DNA显示文摘 | AKA F N MAHINUR S A ENGIN U A | 2001 | Molecular Catalysis A: Chemical2001，165，： | 1 |
| 12 | Journal of Engineering for Gas Turbines and Power显示文摘 | Gronstedt U T J Pilidis E Control Optimization of the Transient Performance of the Selective Bleed Variable Cycle Engine During Mode Transition | 2002 | 124: 75-812002，124，： | 1 |
| 13 | Gastrointestinal lymphoma: a spectrum of fluoroscopic and CT findings显示文摘 | Engin G Korman U | 2011 | Diagn Interv Radiol2011，17，3： | 1 |
| 14 | Image-guided intensity-mod- ulated whole abdominal radiation therapy in relapsed epithelial ovari- an cancers : a feasibility study 显示文摘 | Shetty U M Shankar S Engineer R | 2013 | J Cancer Res Ther2013，9，1： | 1 |
| 15 | Report of 24 Left-Sided Portal Hypertension Cases: A Single-Center Prospective Cohort Study显示文摘 | Seyfettin K?klü MD Osman Yüksel MD Mehmet Arhan MD ?ahin ?oban MD ?mer Ba?ar MD ?mer Faruk Yolcu MD Engin U?ar MD Mehmet Ibi? MD ?brahim Ertu?rul MD Burhan ?ahin MD | 2005 | Digestive Diseases and Sciences2005，，5： | 1 |
| 16 | Reirradiation using high-dose-rate braehytherapy in recurrent carcinoma of uterine cervix 显示文摘 | Mahantshetty U Kalyani N Engineer R | 2014 | Brachytherapy2014，，： | 1 |
| 17 | Gastrointestinal lymphoma : aspectrum of fluoroscopic and CT findings显示文摘 | Engin G Korman U | 2011 | Diagn Interv Radiol2011，17，3： | 1 |
| 18 | Gastrointestinal lymphoma:a spectrum of fluoroscopic and CT findings显示文摘 | Engin G Korman U | 2011 | Diagn Interv Radiol2011，17，： | 1 |
| 19 | The influence of the growth rate on the eutectic spacings, undercool?ings and micro hardness of directional solidified his?muthelead eutectic alloy显示文摘 | Kocak v Engin S Boyuk U | 2013 | Current Applied Phys?ics2013，13，3： | 1 |
| 20 | Variability of serum oxidative stress biomarkers relative to biochemical data and clinical parameters of glaucoma patients 显示文摘 | ENGIN K N YEMI~CI B YI ~ IT U | 2010 | Mol Vis2010，16，： | 1 |
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