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Search Results: 1 - 10 of 261495 matches for " Y.C. Miao "
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YC Miao,XM Zhang,GD Wang,
Y.C. Miao
,X.M. Zhang,G.D. Wang,H.S. Di and X.H. Liu

金属学报(英文版) , 2001,
Abstract: The position of the solidification completed temperature of twin roll stainless strip casting process is very important to the quality of the casting strip. In order to control this position, the .solidification completed temperature should be known at first. The present paper first. simulated dendritic microsegregation under conditions of twin roll stainless strip casting, and got the relationship between the temperature and solid fraction of the mush zone. The temperatures such as ZDT (equal to the solidifica- tion completed temperature and LIT (liquid impenetrable temperature), et al., also were obtained. Then by using the turbulent model, the flow and thermal fields of the pool of the twin roll stainless strip casting, and the speed and temperature fields oj different casting speeds were given cud also explained. The results are coincident with the experimental result. Combined with the results of these two simulations, the appropriated casting speed was found.
The DNR Order: What Does it Mean?
John Y.C. Tsang
Clinical Medicine Insights: Circulatory, Respiratory and Pulmonary Medicine , 2012, DOI: 10.4137/CCRPM.S0
Abstract: As medical science continues to advance, patients nowadays with progressive cardiopulmonary diseases live to older ages. However, they too will eventually reach their unsustainable physiological limit and many die in poor health and discomfort prior to their demise. Regrettably many physicians have not kept pace in dealing with the inevitable end-of- life issues, along with modern techno- logical developments. Without proper guidance, ill-informed patients often face unnecessary anxiety, receive futile resuscitation at the expense of their dignity and public cost which has and will become increasingly overwhelming according to our current demographic trends. In any health care reform, experts often suggest that difficult questions will have to be asked but the solutions are at least partly in the logistical details. From time to time, we see an isolated “Do Not Resuscitate” or DNR order in the chart, which is not always followed by thoughtful discussion on the boundary of care, either simultaneously or known to be followed up soon. This paper attempts to begin asking some of these difficult questions, point out the fallacies of this order and expose the weaknesses in the present state of entitlement by public demand if physicians retreats more from the discussion. The solution does not lie in asking the questions but in changing the practice pattern in real life on a continuous basis, hopefully to be eventually accepted by most, if not all.
生物工程学报 , 1985,
Qualitative Reasoning and Articulate Software
Y.C. Alicia Tang
Information Technology Journal , 2005,
Abstract: Qualitative Reasoning (QR) about physical system is one of the most active research areas in Artificial Intelligence (AI) in recent years. We believe that the part taking of qualitative reasoning will help to expand artificial intelligence application in new domains such as those that are highly qualitative in nature and the development of articulate software. Educational software using qualitative model can offer high interactivity rather than merely a static content-driven tool. With this, educational software can be made more engaging and interesting. As a result, the practical value of qualitative reasoning is significantly increased in the development of Intelligent Tutoring Systems. This study reviews three prominent ontologies for QR. The suitability of applying qualitative reasoning for building intelligent educational software was also discussed.
地质学报 , 1923,
Abstract: TheCambrianofChinaisdevelopedinYunnan,Shantung,ChihliandManchuria.ThefirstcollectionofCambrianfossilswasmadebyVonRichthofenanddescribedbyDamesandKayser.DamesstudiedthetrilobitesandKayserdescribedthebrachiopods.
地质学报 , 1923,
Abstract: INTRODUCTION.TheupperCambrianofFengtienwasstudiedbyDr.Anderssonwhomadethefollowingsectionandkindlypermittedmetouseit.(Fig.1)TheupperCambrianrestdisconformablyuponthepre-Cambrianrocks,whichareofSinianage.UpwardsitissucceededprobablywithadisconformitybytheOrdovician.
地质学报 , 1943,
Abstract: TheKuenlunknanGranodiorite,whickoccursslightlytothewestoftheapexoftheKuangiare,isexposedatthesouthernendoftheTamingshananticline.ThemassisinjeatedintotheLowerDevonianandPre-Devonianrocks.Thisplutonis
地质学报 , 1943,
Abstract: AsstratigraphicaldataregardingbreaksbetweentheTriassicformationshaveaccumulatedasaconsequenceofrecentresearchinthesouthernandwesternpartsofKuangsi,theappearanceofathirdnoteonthestratigraphicalunconformitiesinthisprovincetosupplementpreviouspapersonthesub
生物工程学报 , 1985,
Syntheses and spectral studies of novel ciprofloxacin derivatives
Pradeep Yadav, Y.C. Joshi
Bulletin of the Chemical Society of Ethiopia , 2008,
Abstract: Reaction of 1-cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid (ciprofloxacin) with thiazole/benzothiazole diazonium chloride afforded piperazine substituted ciprofloxacin derivative. The acid part of these derivatives was further condensed with various β-diketones to get 1-cyclopropyl-6-fluoro-4-oxo-7-(4-(thiazol-2-yldiazenyl)piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid derivatives (5a-e) and 7-(4-(benzo[d]thiazol-2-yldiazenyl)piperazin-1-yl)-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid derivatives (5f-j). Structures of these compounds were established on the basis of spectral studies. KEY WORDS: Ciprofloxacin, Thiazole, Benzothiazole, β-Diketone Bull. Chem. Soc. Ethiop. 2008, 22(3), 459-464.
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