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| 1 | Arc erosion of AgSnO_2 electrical contacts at different stages of a break operation显示文摘Arc erosion studies are conducted on AgSnO2 contact materials at different stages in the break operation.A resistive load arrangement is used with up to 42 V DC at 24 A and a constant contact opening velocity.The arc current is terminated at different stages as the arc is drawn between the contacts enabling a study of the arcing phenomena up to that point.Surface profiling of the contacts is conducted to determine the extent of erosion at the different stages as the arc is drawn.Spectral analysis is also conducted on the arc and then related to the extent of erosion.The results show that particular features occur at different stages as the arc is drawn.As the arc is initially established,it goes through an 'Arc Generation' regime where the arc roots are small and immobile on both the anode and the cathode.Material transfer occurs mainly from anode to cathode.The spectral analysis indicates that Sn and O species dominate the arc followed by the Ag species.As the arc is drawn further and enters the 'Arc Degeneration' regime,the anode undergoes significantly larger erosion than the cathode.Also,both contacts indicate that multiple arc roots have formed,which are highly mobile in the later stages of the discharge.The spectral analysis indicates that Ag and N species are in high concentrations compared to other species.The mechanisms of erosion and deposition are discussed in relation to the species within the arc discharge.For the complete break operation,it is found that the anode undergoes major erosion,and it is thought that the gaseous ions species do not dominate the arc under these conditions of short arcs and voltage <42 V to cause cathode erosion. | J. Swingler A. Sumption | 2010 | Rare Metals2010，29，3： | 40 |
| 2 | Finite element analysis of drawing of multifilamentary wires显示文摘 | Peng X Sumption M D Collings E W | 2005 | IEEE Transact Appl Supercond2005，15，2： | 1 |
| 3 | Detection of Peset des Petits Ruminants Antigen in Conjumctival Smears of Goats by Indrect Immunofluorescence显示文摘 | Sumption K J Aradom G Lbeu G | 1998 | Vet Rec1998，142，16： | 1 |
| 4 | Incidence and distribu- tion of foot-and-mouth disease in Asia, Africa and South Ameri- ca:combining expert opinion, official disease information and livestock populations to assist risk assessment显示文摘 | Sumption K Rweyemamu M Wint W | 2008 | Transbound Emerg Dis2008，55，1： | 1 |
| 5 | Multifilamentary,in Situ Route,Cu-Stabilized MgB2 Strands显示文摘 | Sumption M D Bhatia M Wu X | | 0，，： | 1 |
| 6 | Large Upper Critical Field and Irreversibility Field in MgB 2 Wires with SiC Additions显示文摘 | Sumption M D Bhatia M Rindfleisch M | | 0，，： | 1 |
| 7 | Surveillance of foot-and-mouth disease (FMD) in susceptible wildlife and domestic ungulates in Southeast of Bulgaria following a FMD case in wild boar显示文摘 | Tsviatko Alexandrov Dimitar Stefanov Pencho Kamenov Alexandra Miteva Sergei Khomenko Keith Sumption Hinrich Meyer-Gerbaulet Klaus Depner | 2013 | Veterinary Microbiology (-)2013，，1： | 1 |
| 8 | Con- transgenie goats ex- in the mammary gland modulation eroflora显示文摘 | Maga EA Walker RL And sumption of milk from pressing human results in the lysozyme erson GB | 2006 | Transgenic of intestinal mi- Res2006，15，： | 1 |
| 9 | Incidence and distribution of foot-and-mouth disease in Asia,Africa and South America; combining expertopinion,official disease information and livestock populations to assist risk assessment显示文摘 | Sumption K Rweyemamu M Wint W | 2008 | Transbound Emerg Dis2008，55，1： | 1 |
| 10 | Detection of peste des petits ruminants virus antigen in conjunctival smears of goats by indirect immunofluorescence显示文摘 | Sumption KJ | 1998 | Veterinary Record1998，142，16： | 1 |
| 11 | Detection of peste des petits ruminants virus antigen in conjunctival smears of goats by indirect immunofluoreseence显示文摘 | SUMPTION K J ARADONM G LIBEAU G | 1998 | Vet Rec1998，142，16： | 1 |
| 12 | Drawing In-duced Texture and the Evolution of Superconductive Properties with Heat Treatment Time in Powder-in-Tube in Situ Processed MgB2 Strands显示文摘 | Susner M A Daniels T W Sumption M D | | 0，，： | 1 |
| 13 | 连续工艺制备的MgB_2超导线的传输电流特性(英文)显示文摘美国高新技术研究所(HTR)采用连续装管成型(CTFF)粉末装管技术(PIT)制备了MgB2/Fe复合线。目前已制备出直径为1.2mm的先驱线(包Fe的Mg+B混合粉),长度达70m。在800℃~950℃处理3min~30min的短样品,传输临界电流密度(Jc)在4K/4T下达到(2~3)×104A/cm2,在4K/2T下达到4×104A/cm2,在4K自场下外推的Jc最少达到2×105A/cm2。用磁测量方法得到的Jc与外推得到的传输临界电流值差不多。 | E W Collings E Lee M D Sumption M Tomsic | 2002 | 稀有金属材料与工程2002，31，6： | 1 |
| 14 | Fabrication andproperties of PIT Nb-Al and Nb-Sn based superconductors显示文摘 | Sumption M D Peng X Lee E | 2003 | IEEE Transactions on Applied Superconductivity2003，13，2： | 1 |
| 15 | Review of high power density superconducting genera- tors:Present state and prospects for incorporating YBCO windings 显示文摘 | Paul N Barnes Michael D Sumption Gregory L Rhoads | 2005 | Cryogenics2005，45，： | 1 |
| 16 | Review of high power density superconducting generators: Present state and prospects for incorporating YBCO windings显示文摘 | Paul N Barnes Michael D Sumption Gregory L Rhoads | 2005 | Cryogenics2005，45，1011： | 1 |
| 17 | Variable regions on the genome of Malawi isolates of African swine fever virus显示文摘 | Sumption K J Hutchings G H Wilkinson P J | 1990 | J Gen Virol1990，71，： | 1 |
| 18 | Fabrication and Properties of PIT Nb-A1 and Nb-Sn Based Superconductors 显示文摘 | Sumption M Peng X Lee E | 2003 | IEEE Trans Appl Supercond2003，，13： | 1 |
| 19 | Review of high power density superconducting generators:Present state and prospects for incorporating YBCO windings 显示文摘 | Barnes P N Sumption M D Rhoads G L | 2005 | Cry- ogenics2005，45，1011： | 1 |
| 20 | Progressive control of FMD on a global scale显示文摘 | Sumption K Domenech J Ferrari G | 2012 | Vet Rec2012，170，： | 1 |
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