检索结果-南通市图书馆

Letters of the Hebrew Alphabet:As Sound Notation

在线全文

学校读者我要写书评

暂无评论

Journal of Literature and Art Studies 2024年第5期14卷 365-368页

作者： Max stern Ariel University ArielIsrael

While Bronze Age Proto-Sinaic and Proto-Canaanite syllabic inscriptions were found engraved on fragments of pottery and stone,evidence of early alphabetic script was also inscribed in ink onto a massive parchment scroll,known as the *** the contours of those original characters transformed over time,it took the clairvoyant genius of Moses,and later the scribes of Ancient Israel,to configure and adapt ancient semitic prototypes into phonetic letters,producing the greatest literary document in the history of the world,the *** article summarizes the acoustic properties of that alphabet,with further historical considerations.

关键词： Torah sacred voice vowels cantillation chironomy music notation articulation dynamic emphasis

Natural history of children with mild Crohn’s disease

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2019年第30期25卷 4235-4245页

作者： Yamini Sharma Athos Bousvaros Enju Liu julia.bender stern Department of Gastroenterology and Hepatology Inflammatory Bowel Disease Center Boston Children’s Hospital

BACKGROUND There is a small and poorly studied population of patients with mild and limited Crohn’s disease(CD),who either spontaneously enter remission and can discontinue therapy,or be maintained on milder anti-inflammatory *** To identify a group of children with mild CD who were not escalated to immunomodulators(azathioprine,mercaptopurine,or methotrexate)or biologics(infliximab or adalimumab)within the first two years after their Crohn’s diagnosis and outline the natural history and phenotypic features of these *** In a retrospective chart review of the inflammatory bowel disease database at Boston Children’s Hospital we reviewed all the mild CD patient’s clinic visits,laboratory studies,and procedures for the duration of time they were followed at the *** were included if they had clear diagnosis of Crohn’s disease,and they were not escalated to immunosuppressive therapies for at least 2 years after the date of *** mild CD patients were compared to controls diagnosed at a similar time,that were treated with immunomodulators or *** that was abstracted included:Age at diagnosis,sex,disease location utilizing the Paris classification,medical treatment,surgical treatment,endoscopic findings,histology,and *** also analyzed differences in the phenotypic features between those with mild CD and those with moderate to severe *** Out of 1205 patients with CD diagnosed between 1990 and 2013,we identified 29 patients that met the inclusion criteria,and they were matched with 58 *** were no significant differences between the disease behaviors at presentation,with approximately 90%of patients in each group having inflammatory ***,patients with mild disease were more likely to have disease limited to the colon(31%vs 12%,P=0.03).In contrast,patients with moderate to severe disease(aka control group)were more likely to have ileocolonic disease(70%vs 45%in the mild grou

关键词： Crohn’s disease Colitis Aminosalicylates Antibiotics Immunosuppression Inflammatory bowel disease Child Pediatric

Correlation of endoscopic disease severity with pediatric ulcerative colitis activity index score in children and young adults with ulcerative colitis

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2017年第18期23卷 3322-3329页

作者： Basavaraj Kerur Heather J Litman julia.bender stern Sarah Weber Jenifer R Lightdale Paul A Rufo Athos Bousvaros Pediatric Gastroenterology Hasbro Children's Hospital Corrona LLC Southborough Inflammatory Bowel Disease Center Children's Hospital Boston Division of Pediatric Gastroenterology UMass Memorial Medical CenterUniversity Campus Worcester

To investigate of pediatric ulcerative colitis activity index (PUCAI) in ulcerative colitis correlate with mucosal inflammation and endoscopic assessment of disease activity (Mayo endoscopic score).METHODSWe reviewed charts from ulcerative colitis patients who had undergone both colonoscopy over 3 years. Clinical assessment of disease severity within 35 d (either before or after) the colonoscopy were included. Patients were excluded if they had significant therapeutic interventions (such as the start of corticosteroids or immunosuppressive agents) between the colonoscopy and the clinical assessment. Mayo endoscopic score of the rectum and sigmoid were done by two gastroenterologists. Inter-observer variability in Mayo score was *** identified 99 patients (53% female, 74% pancolitis) that met inclusion criteria. The indications for colonoscopy included ongoing disease activity (62%), consideration of medication change (10%), assessment of medication efficacy (14%), and cancer screening (14%). Based on PUCAI scores, 33% of patients were in remission, 39% had mild disease, 23% had moderate disease, and 4% had severe disease. There was “moderate-substantial” agreement between the two reviewers in assessing rectal Mayo scores (kappa = 0.54, 95%CI: 0.41-0.68).CONCLUSIONEndoscopic disease severity (Mayo score) assessed by reviewing photographs of pediatric colonoscopy has moderate inter-rater reliability, and agreement was less robust in assessing patients with mild disease activity. Endoscopic disease severity generally correlates with clinical disease severity as measured by PUCAI score. However, children with inflamed colons can have significant variation in their reported clinical symptoms. Thus, assessment of both clinical symptoms and endoscopic disease severity may be required in future clinical studies.

关键词： Ulcerative colitis Pediatric ulcerative colitis activity index Mayo score

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

PPT让人变傻了吗

教师博览（上旬刊） 2024年第2期 5-7页

作者： [美]Jacob stern 谭宇希(译) 不详

苏格拉底曾警示人们,书写会令记忆萎缩;文艺复兴时期的康拉德·格斯纳也曾担忧,印刷机将让人类沉溺于“令人迷惑而过剩”的书海,并因此而受到伤害。此后的几代人对诸如广播、电视、游戏之类的新事物止不住地担忧,认为它们会腐蚀孩子的... 详细信息

苏格拉底曾警示人们,书写会令记忆萎缩;文艺复兴时期的康拉德·格斯纳也曾担忧,印刷机将让人类沉溺于“令人迷惑而过剩”的书海,并因此而受到伤害。此后的几代人对诸如广播、电视、游戏之类的新事物止不住地担忧,认为它们会腐蚀孩子的大脑。

关键词：康拉德格斯纳苏格拉底印刷机担忧文艺复兴时期

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

佩妮的电子魔法书

无线电 2024年第3期 6-9页

作者： [美]Becky stern 谢玉周(翻译) 不详

今天我要分享一个很特别的Arduino项目,它就是我制作的《神探加杰特》中佩妮的电子魔法书(见图1)。我挖空了一本真正的书(见图2),用电子元器件填充被挖空的部分(见图3),使其外观和操作都像动画《神探加杰特》中的电子魔法书一样,该书由... 详细信息

今天我要分享一个很特别的Arduino项目,它就是我制作的《神探加杰特》中佩妮的电子魔法书(见图1)。我挖空了一本真正的书(见图2),用电子元器件填充被挖空的部分(见图3),使其外观和操作都像动画《神探加杰特》中的电子魔法书一样,该书由一块Arduino Nano ESP32驱动。

关键词： Arduino 电子元器件一本

The Orosirian(1800–2050 Ma)plate tectonic episode:Key for reconstructing the Proterozoic tectonic record

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Geoscience Frontiers 2023年第3期14卷 1-9页

作者： Robert J.stern Geosciences Dept. U Texas at DallasRichardsonTX 75083-0688United States

Eight lines of evidence indicate that the Orosirian Period in mid-Paleoproterozoic time was characterized by plate tectonics:ophiolites,low T/P metamorphism including eclogites,passive margin formation,tall mountains,paleomagnetic constraints,ore deposits,abundant S-type granites,and seismic images of paleo-subduction *** plate tectonic episode occurred about 1 billion years earlier than the present plate tectonic episode began in Neoproterozoic *** two plate tectonic episodes bracket the‘Boring Billion’,which may have been a protracted single lid tectonic episode that began when the supercontinent Nuna or Columbia *** of multiple lines of evidence for Orosirian plate tectonics demonstrates that Earth’s tectonic style can be reconstructed with some confidence back to at least Early Paleoproterozoic time,and thus the absence of compelling evidence for Mesoproterozoic plate tectonics is not obvious due to poor preservation.A tectono-magmatic lull2.3 Ga suggests an earlier episode of single lid *** for two episodes of plate tectonics and two episodes of single lid tectonics indicates that Earth switched between single lid and plate tectonics multiple times during the last 2.4 Ga.

关键词： Plate tectonics Single lid tectonics Urey ratio Paleoproterozoic

Is plate tectonics needed to evolve technological species on exoplanets?

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Geoscience Frontiers 2016年第4期7卷 573-580页

作者： Robert J.stern Geoscience Department University of Texas at Dallas

As we continue searching for exoplanets, we wonder if life and technological species capable of communicating with us exists on any of them. As geoscientists, we can also wonder how important is the presence or absence of plate tectonics for the evolution of technological species. This essay considers this question, focusing on tectonically active roclw （silicate） planets, like Earth, Venus, and Mars. The development of technological species on Earth provides key insights for understanding evolution on exoplanets, including the likely role that plate tectonics may play. An Earth-sized silicate planet is likely to experience several tectonic styles over its lifetime, as it cools and its lithosphere thickens, strengthens, and becomes denser. These include magma ocean, various styles of stagnant lid, and perhaps plate tectonics. Abundant liquid water favors both life and plate tectonics. Ocean is required for early evolution of diverse single-celled organisms, then colonies of cells which specialized further to form guts, ap- pendages, and sensory organisms up to the complexity of fish （central nervous system, appendages, eyes）. Large expanses of dry land also begin in the ocean, today produced above subduction zones in juvenile arcs and by their coalescence to form continents, although it is not clear that plate tectonics was required to create continental crust on Earth. Dry land of continents is required for further evolution of technological species, where modification of appendages for grasping and manipulating, and improve- ment of eyes and central nervous system could be perfected. These bioassets allowed intelligent crea- tures to examine the night sky and wonder, the beginning of abstract thinking, including religion and science. Technology arises from the exigencies of daily living such as tool-making, agriculture, clothing, and weapons, but the pace of innovation accelerates once it is allied with science. Finally, the importance of plate tectonics for devel

关键词： Plate tectonics Exoplanets Planetary science Intelligent life

A sharp interface approach for cavitation modeling using volume-of-fluid and ghost-fluid methods

在线全文

学校读者我要写书评

暂无评论

Journal of Hydrodynamics 2017年第6期29卷 917-925页

作者： Thad Michael Jianming Yang Frederick stern NSWC Carderock Division 9500 MaeArthur Blvd.West BethesdaMD 20817USA Fidesi Solutions LLC PO Box 734Iowa CityIA 52244USA IIHR-Hydroscience and Engineering University of lowaIowa CityIA 52242USA

This paper describes a novel sharp interface approach for modeling the cavitation phenomena in incompressible viscous flows. A one-field formulation is adopted for the vapor-liquid two-phase flow and the interface is tracked using a volume of fluid（VOF） method. Phase change at the interface is modeled using a simplification of the Rayleigh-Plesset equation. Interface jump conditions in velocity and pressure field are treated using a level set based ghost fluid method. The level set function is constructed from the volume fraction function. A marching cubes method is used to compute the interface area at the interface grid cells. A parallel fast marching method is employed to propagate interface information into the field. A description of the equations and numerical methods is presented. Results for a cavitating hydrofoil are compared with experimental data.

关键词： Incompressible flow two-phase flow cavitation modeling sharp interface method ghost fluid method volume of fluidmethod level set method parallel fast marching method marching cubes method

Early Cretaceous subduction initiation beneath southern Tibet caused the northward flight of India

在线全文

学校读者我要写书评

暂无评论

Geoscience Frontiers 2020年第4期11卷 1123-1131页

作者： Haoyu Hu Robert J.stern Geosciences Department University of Texas at DallasRichardsonTX75083-0688USA

Collision between the Indian and Eurasian plates formed the ~2500 km long Yarlung Zangbo Suture Zone and produced the Himalaya mountains and Tibetan *** we offer a new explanation for tectonic events leading to this collision:that the northward flight of India was caused by an Early Cretaceous episode of subduction initiation on the southern margin of *** data for ophiolites along the Yarlung Zangbo Suture Zone show restricted ages between 120 Ma and 130 Ma,and their supra-subduction zone affinities are best explained by seafloor spreading in what became the forearc of a north-dipping subduction zone on the southern margin of *** subsequent evolution of this new subduction zone is revealed by integrating data for arcrelated igneous rocks of the Lhasa terrane and Xigaze forearc basin *** slab pull from this new subduction zone triggered the rifting of India from East Gondwana in Early Cretaceous time and pulled it northward to collide with Tibet in Early Paleogene time.

关键词： Cretaceous northward subduction