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飞行发明家莱尼

中学生英语 2021年第9期 29-34页

作者： jeff smith 张恒(选译) 不详

从前有一个有趣的家伙叫莱尼。莱尼是个发明家,他发明了各种各样的小玩意儿。他的房子看起来一团糟,但他也有很酷的玩意儿。有一天,莱尼想飞翔。“我要做出翅膀飞起来。”莱尼告诉他的朋友鲁迪。“现在我真的知道你疯了。你甚至都离不... 详细信息

从前有一个有趣的家伙叫莱尼。莱尼是个发明家,他发明了各种各样的小玩意儿。他的房子看起来一团糟,但他也有很酷的玩意儿。有一天,莱尼想飞翔。“我要做出翅膀飞起来。”莱尼告诉他的朋友鲁迪。“现在我真的知道你疯了。你甚至都离不开地面。”鲁迪说。

关键词：小玩意儿莱尼鲁迪发明家

The Effect of Catena Position on Greenhouse Gas Emissions from Dambo Located Termite (<i>Odontotermes transvaalensis</i>) Mounds from Central Zimbabwe

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Atmospheric and Climate Sciences 2012年第4期2卷 501-509页

作者： George Nyamadzawo j.phita Gotosa j.stice Muvengwi Menas Wuta j.stice Nyamangara Philip Nyamugafata jeff L. smith Department of Environmental Science Bindura University of Science Education Bindura Zimbabwe Department of Soil Science and Agricultural Engineering University of Zimbabwe Mount Pleasant Harare Zimbabwe International Centre for Research in Semi Arid Tropics (ICRISAT) Matopos Bulawayo Zimbabwe USDA-Agricultural Research Service Washington DC USA

Methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2)O) are greenhouse gases (GHGs) which cause global warming. Natural sources of GHGs include wetlands and termites. Previous studies have quantified GHG emissions from upland termites and no study has reported GHG emissions from seasonal wetlands (dambo) located termite mounds. The obj.ctive of this study was to evaluate the effect of dambo catena position on termite mound distribution and GHG emissions. It was hypothesized that mound density and GHG emissions from Odontotermes transvaalensis mounds, vary with catena position. The evaluated catena positions were margin, mid-slope, lower slope and bottom. Mound density was significantly lower in the bottom when compared to the other catena positions. The mean GHG fluxes were 88 μg m2 hr-1, 0.78 mg m2 hr-1 and 1361 mg m2 hr-1 for N2) O, CH4 and CO2 respectively. Fluxes varied with catena position and were 0.48, 0.72, 1.35 and 0.79 mg m-2 hr-1 for CH4 , and 1173.7, 1440.7, 1798.7 and 922.8 mg m-2 hr-1 for CO2 in the margin, mid-slope, lower slope and the bottom catena position respectively. For N2) O, there were no significant differences between catena positions. It was concluded that dambo located Odontotermes transvaalensis termite mounds are an important source of GHGs, and emissions varied with catena position for CO2 and CH4.

关键词： Greenhouse Gas Emissions Termites Mounds Odontotermes transvaalensis Dambos Catena Position

Parallelization of Diagnostics for Climate Model Development

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j.urnal of Software Engineering and Applications 2016年第5期9卷 199-207页

作者： j.m McEnerney Sasha Ames Cameron Christensen Charles Doutriaux Tony Hoang jeff Painter Brian smith Zeshawn Shaheen Dean Williams Lawrence Livermore National Laboratory Livermore California USA University of Utah Salt Lake City Utah USA Oak Ridge National Laboratory Oak Ridge Tennessee USA

The parallelization of the diagnostics for climate research has been an important goal in the performance testing and improvement of the diagnostics for the Department of Energy’s (DOE’s) Accelerated Climate Modeling for Energy (ACME) proj.ct [1]. The primary mission of the ACME proj.ct is to build and test the next-generation Earth system model for current and future generations of computing systems operated by the DOE office of science computing facilities, including the envisioned exascale systems foreseen in the early part of the next decade. As part of the underpinning workflow environment, a diagnostics, model metrics, and intercomparison Python framework, called UVC Metrics was created to aid in testing and production execution of the model. This framework builds on common methods and similar metrics to accommodate and diagnose individual component models, such as atmosphere, land, ocean, sea ice, and land ice. This paper reports on initial parallelization of UVC Metrics for the atmosphere model component using two popular frameworks: MPI and SPARK. A timing study is presented to assess the performance of each method in which significant improvement was achieved for both frameworks despite I/O contentions with NFS. The advantages and disadvantages of each framework are also presented.

关键词： Climate Diagnostics Parallel MPI SPARK

Evading the host response:Staphylococcus“hiding”in cortical bone canalicular system causes increased bacterial burden

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Bone Research 2020年第4期8卷 447-457页

作者： Stephen D.Zoller Vishal Hegde Zachary D.C.Burke Howard Y.Park Chad R.Ishmael Gideon W.Blumstein William Sheppard Christopher Hamad Amanda H.Loftin Daniel O.j.hansen Ryan A.smith Marina M.Sprague Kellyn R.Hori Samuel j.Clarkson Rachel Borthwell Scott I.Simon jeff F.Miller Scott D.Nelson Nicholas M.Bernthal Department of Orthopedic Surgery University of CaliforniaLos Angeles125016th St Suite 2100Santa MonicaCA 90404USA David Geffen School of Medicine University of CaliforniaLos Angeles10833 Le Conte AveLos AngelesCA 90095USA Department of Internal Medicine University of CaliforniaLos Angeles757 Westwood PlazaSuite 7501Los AngelesCA 90095USA Department of Biomedical Engineering University of CaliforniaDavisDavisCA 95616USA California NanoSystems Institute University of CaliforniaLos Angeles570 Westwood PlazaLos AngelesCA 90095USA Department of Microbiology Immunologyand Molecular GeneticsDavid Geffen School of MedicineUniversity of CaliforniaLos Angeles 90095USA Department of Pathology University of CaliforniaLos Angeles125016th St Suite 3450Santa MonicaCA 90404USA

Extremity reconstruction surgery is increasingly performed rather than amputation for patients with large-segment pathologic bone *** persists as to the optimal void filler for this“limb salvage”surgery,whether metal or allograft *** focus on optimizing important functional gains for patients,and the risk of devastating implant infection has been thought to be similar regardless of implant *** insights into infection pathophysiology are challenging this equipoise,however,with both basic science data suggesting a novel mechanism of infection of Staphylococcus aureus(the most common infecting agent)into the host lacunar–canaliculi network,and also clinical data revealing a higher rate of infection of allograft over *** current translational study was therefore developed to bridge the gap between these insights in a longitudinal murine model of infection of allograft bone and ***-time Staphylococci infection characteristics were quantified in cortical bone vs metal,and both microarchitecture of host implant and presence of host immune response were *** orders-of-magnitude higher bacterial burden was established in cortical allograft bone over both metal and cancellous *** establishment of immune-evading microabscesses was confirmed in both cortical allograft haversian canal and the submicron canaliculi network in an additional model of mouse femur bone *** study results reveal a mechanism by which Staphylococci evasion of host immunity is possible,contributing to elevated risks of infection in cortical *** presence of this local infection reservoir imparts massive clinical implications that may alter the current paradigm of osteomyelitis and bulk allograft infection treatment.

关键词： immunity insight reservoir

末次冰盛期期间西南极洲东南太平洋边缘冰盖的延伸和动力学及其后来的冰退历史

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海洋地质 2009年第1期25卷 66-67页

作者： Robert Larter Claus - Dieter Hillenbrand j.mes smith Alastair Graham Tara Deen j.lian Dowdeswell jeff Evans Karsten Gohl Gerhard Kuhn Colm O＇ Cofaigh 蔡观强（译）吴峧岐（校）英国南极调查局英国斯科特极地研究所英国拉夫堡大学英国魏格纳极地和海洋研究所德国达拉谟大学英国敦提大学英国不详

海洋地球科学资料表明末次冰盛期时期（LGM）底土冰沿着2500km长、从南极半岛北部到Amundsen海的大陆边缘的大部分（但不是全部）一直延伸到了大陆架边缘。横陆架海槽外部的水深测量资料显示了过去的结冰程度，这些资料也揭示了冰川下... 详细信息

海洋地球科学资料表明末次冰盛期时期（LGM）底土冰沿着2500km长、从南极半岛北部到Amundsen海的大陆边缘的大部分（但不是全部）一直延伸到了大陆架边缘。横陆架海槽外部的水深测量资料显示了过去的结冰程度，这些资料也揭示了冰川下床体的拉长残余。这些都表明海槽是快速流动冰块的通道。冰后期冰山的深入刨蚀作用，将堤岸冰山流动的地貌证据消除。然而，堤岸之间的地震剖面资料显示存在普遍的陆架外缘冰山运移和大量的冰块不整合现象，

关键词：末次冰盛期东南太平洋冰盖动力学南极洲历史陆架边缘快速流动

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骨科教程锁定钢板：技巧和窍门

中华骨科杂志 2008年第3期28卷 I0057-I0064页

作者： Wade R. smith Bruce H. Ziran jeff O. Anglen Philip F. Stahel 刘敬峰(译) 王蕾(译) An Instructional Course Lecture American Academy of Orthopaedic Surgeons 上海交通大学医学院附属瑞金医院骨科

锁定钢板是带有锁定螺纹孔的骨折固定器械，它可以保证螺钉和钢板通过锁定螺纹孔成为一体，达到角稳定作用。锁定钢板的螺钉孔可以是混合性钉孔，既可以使用锁定螺钉也可以使用传统非锁定螺钉（也称为结合型钢板）。锁定钢板最早在20年... 详细信息

锁定钢板是带有锁定螺纹孔的骨折固定器械，它可以保证螺钉和钢板通过锁定螺纹孔成为一体，达到角稳定作用。锁定钢板的螺钉孔可以是混合性钉孔，既可以使用锁定螺钉也可以使用传统非锁定螺钉（也称为结合型钢板）。锁定钢板最早在20年前就被用于脊柱外科和颌面外科。上世纪80年代晚期直到90年代中期，各种各样不同类型的骨折内固定器材的研究促进了锁定钢板应用于骨折固定。

关键词：锁定钢板骨科教程骨折内固定器材骨折固定固定器械颌面外科脊柱外科螺钉

Malignant melanoma in the pediatric population

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World j.urnal of Surgical Procedures 2015年第3期5卷 229-234页

作者： j.hn Psaltis Eric Reintgen Ali Antar Mark Giori Leah Alvin Alyssa Benj.min Bridget Budny Taylor Gianangelo Aaron Gruman Anna Stamas Michael Reintgen Rosemary Giuliano jeff smith Douglas Reintgen Department of Surgery Morsani School of Medicine University of South Florida Department of Pathology Florida Hospital-N Pinellas

Controversial pigmented lesions in children are a problem for pathologist, clinicians and families that are confronted with this dilemma. Some skin lesions in this population defy diagnosis with pathologists split between a benign diagnosis and a cancer diagnosis. Three cases of controversial pigmented lesions in the pediatric population are presented. Three patients underwent radical resection of the controversial pigmented lesion, intra-operative lymphatic mapping and sentinel lymph node(SLN) biopsy. Due to the low morbidity of the SLN procedure a case is made to perform lymphatic mapping in this clinical scenario. If the SLNs are negative, not much is lost except for the scar and this becomes another line of evidence that perhaps the original lesion was benign. If the SLN shows metastatic cells, then the original skin lesion must be malignant and the patient is offered stage Ⅲ recommendations that would include complete node dissections and adj.vant Interferon therapy. This strategy provides for adequate treatment of the worse-case scenario, that the skin lesion is malignant. The cost to the patient is a low morbidity procedure, the SLN biopsy.

关键词： Pediatric pigmented skin lesions Sentinel lymph node biopsy Melanoma