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中国水产 2001年第4期 57-59页

作者：张朝晖丛娇日 k.φMidling

一、深海网箱的概念及种类深海网箱是指可以在相对较深海域(通常海区深度大于20m)使用的养殖网箱,这里的'深海'并不是海洋地理学上的概念,而只是相对于近岸养殖的一个概念.其英文名为:'Offshore Cage',所以,有的人将其直译为'离岸网箱'... 详细信息

一、深海网箱的概念及种类深海网箱是指可以在相对较深海域(通常海区深度大于20m)使用的养殖网箱,这里的'深海'并不是海洋地理学上的概念,而只是相对于近岸养殖的一个概念.其英文名为:'Offshore Cage',所以,有的人将其直译为'离岸网箱'或'离岸养殖'.

关键词：深海网箱种类结构深海网箱养殖围产化普及化鱼病控制

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Fluid Mechanics

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2010年

作者： k.ndu, Pijush k. Cohen, Ira M.

ISBN: (数字)9780123814005

ISBN: (纸本)9780123813992

Fluid mechanics, the study of how fluids behave and interact under various forces and in various applied situations hether in the liquid or gaseous state or both s introduced and comprehensively covered in this widely adopted text. Fluid Mechanics, Fourth Edition is the leading advanced general text on fluid mechanics. Changes for the 4th edition from the 3rd edition: Updates to several chapters and sections, including Boundary Layers, Turbulence, Geophysical Fluid Dynamics, Thermodynamics and Compressibility Fully revised and updated chapter on computational fluid dynamics New chapter on Biofluid Mechanics by Professor Portonovo Ayyaswamy, the Asa Whitney Professor of Dynamical Engineering at the University of Pennsylvania

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Hypopharyngeal Cancer: Epidemiological, Clinical and Paraclinical Aspects at the University Hospital Center (CHU) Gabriel Toure in Bamak.

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International Journal of Otolaryngology and Head & Neck.Surgery 2020年第1期9卷 46-51页

作者： k. Doumbia-Singare F. I. k.ne M. Doumbia B. Guindo S. Soumaoro N. Cisse N. F. k.nate k. Diarra M. Sangare S.-k. Timbo M. k.ita A. G. Mohamed Department of the CHU Gabriel Toure in Bamak. Bamako Mali

Introduction: Hypopharyngeal cancers are ubiquitous cancers. These are very lymphophilic cancers;cervical lymph node metastases are present in 60% to 80% of patients at the time of diagnosis. Alcohol and tobacco have been implicated in their genesis. Objective: To study the epidemiological, clinical and paraclinical aspects of hypopharyngeal cancer in the ENT department of the CHU Gabriel Toure. Patients and Methods: It is a retrospective and prospective quantitative study covering a period of 4 years from June 2014 to July 2018;all patients who presented with hypopharyngeal cancer were included. Results: Thirty-five (35) patients were collected during the study period. The mean age of the patients was 44 ± 14 years with extremes of 16 and 78 years. The sex ratio was 0.47. Dysphagia was the reason for consultation at 100%. The average consultation time was 14 months, with extremes of 3 to 26 months. Smok.ng intoxication was found in 13 patients. The piriform sinus was interested in 52%. More than half of the patients were received at the advanced stage (T3 - T4). The histology was dominated by the well-differentiated epidermal carcinoma (91%). Conclusion: Hypopharyngeal cancer is common and occurs at all ages. T3 - T4 tumors are bad factors, hence early diagnosis and appropriate management are important for improving the prognosis.

关键词： Cancer Hypopharynx Imaging Endoscopy Histology

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Validation of TRMM and FEWS Satellite Rainfall Estimates with Rain Gauge Measurement over Ashanti Region, Ghana

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Atmospheric and Climate Sciences 2016年第4期6卷 500-518页

作者： Leonard k. Amek.dzi Marian A. Osei Winifred A. Atiah Jeffrey N. A. Aryee Maureen A. Ahiatak. Emmanuel Quansah k.asi Prek. Sylvester k. Danuor Andreas H. Fink Meteorology and Climate Science Unit Department of Physics Kwame Nkrumah University of Science and Technology Kumasi Ghana Ghana Meteorological Agency Accra Ghana k.rlsruhe Institute of Technology (k.T) Institute of Meteorology and Climate Research Karlsruhe Germany

Satellite rainfall estimates have predominantly been used for climate impact studies due to poor rain gauge network.in sub-Saharan Africa. However, there are limited microscale studies within the sub-region that have assessed the performance of these satellite products, which is the focus of the present study. This paper therefore considers validation of Tropical Rainfall Measuring Mission (TRMM) and Famine Early Warning System (FEWS) satellite estimates with rain gauge measurements over Ashanti region of Ghana. First, a consistency assessment of the two gauge data products, the Automatic Rain Gauge (ARG) and Ghana Meteorological Agency (GMet) Standard Rain Gauge (SRG) measurements, was performed. This showed a very good agreement with correlation coefficient of 0.99. Secondly, satellite rainfall products from TRMM and FEWS were validated with the two gauge measurements. Validation results showed good agreement with correlation coefficients of 0.6 and 0.7 for TRMM and FEWS with SRG, and 0.87 and 0.86 for TRMM and FEWS with ARG respectively. Probability Of Detection (POD) and Volumetric Hit Index (VHI) were found to be greater than 0.9. Volumetric Critical Success Index (VCSI) was 0.9 and 0.8 for TRMM and FEWS respectively with low False Alarm Ratio (FAR) and insignificant Volumetric Miss Index (VMI). In general, relatively low biases and RMSE values were observed. The biases were less than 1.3 and 0.8 for TRMM and FEWS-RFE respectively. These indicate high rainfall detection capabilities of both satellite products. In addition, both TRMM and FEWS were able to capture the onset, peak.and cessation of the rainy season, as well as the dry spells. Although TRMM and FEWS sometimes under/overestimated rainfall, they have the potential to be used for agricultural and other hydro-climatic impact studies over the region. The Dynamic-Aerosol-Cloud-Chemistry Interactions in West Africa (DACCIWA) project will provide an improved spatial gauge network.database over the study are

关键词： Rain Gauge Validation TRMM and FEWS-RFE DACCIWA Project Ashanti Region

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Hot Corrosion Behavior of Friction Welded AISI 4140 and AISI 304 in k.2SO-60% NaCl Mixture

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Journal of Materials Science & Technology 2012年第10期28卷 895-904页

作者： N.Arivazhagan k.Senthilk.maran S.Narayanan k.Devendranath Ramk.mar S.Surendra S.Prak.sh School of Mechanical and Building Sciences VIT University Department of Metallurgical and Materials Engineering Indian Institute of Technology Roorkee

Understanding the behavior of weldment at elevated temperatures and especially the corrosion behavior has become an object of scientific investigation recently. Investigation has been carried out on friction welded AISI 4140 and AISI 304 in molten salt of k.SO4-60% NaCI environment at 550, 600 and 650 ℃ under cyclic condition. The resulted oxide scales in the weldment have been characterized systematically by surface analytical techniques. From the results of the experiments~ it is observed that the scale thick.ess on low alloy steel side was higher than that on stainless steel side. Furthermore, weld interface has been found to be more susceptible to degradation than base metals due to inter diffusion of element across the interface and the formation of intermetallic compound. The influences of welding parameters and the temperature of exposure on the hot corrosion behavior of the weldment were discussed in this paper.

关键词： Friction Welding Dissimilar metals Hot corrosion

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作者：考茨基(k. k.utsk.)

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Differential-algebraic cryptanalysis of reduced-round of Serpent-256

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Science China(Information Sciences) 2010年第3期53卷 546-556页

作者： HUI Lucas C.k. Department of Computer Science and Information Systems The University of Hong Kong

Differential cryptanalysis is a general cryptanalytic tool that mak.s use of diFFerentials over some rounds of a cipher, combined with some k.y bit guesses of one or two rounds. This paper introduces a new cryptanalysis strategy of block.ciphers named differential-algebraic cryptanalysis. The idea of differential-algebraic cryptanalysis is to find a differential with high probability and build the multivariable system equations for the last few rounds. The subk.y values of the last few rounds can be obtained by filtering the solutions of system equations instead of guessing all possible subk.y values. We use the differential-algebraic cryptanalysis to break.8-round Serpent-256. Our attack.can recover the 256-bit k.y with 283 chosen plaintexts, 2180.4 8-round Serpent- 256 encryptions and 2176.7 bytes memory. Compared with the previous differential cryptanalysis results, both the data complexity and the time complexity are reduced, but the memory requirements are increased. The time complexity and the memory requirements are very close, and a time-memory tradeoff is exploited.

关键词： differential-algebraic cryptanalysis Serpent solving equations

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Barron''s how to prepare for the SAT

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2006年

作者： Sharon Weiner Green Ira k. Wolf

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Review of incidence and outcomes of treatment of cholangiocarcinoma in patients with primary sclerosing cholangitis

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World Journal of Gastrointestinal Oncology 2021年第10期13卷 1336-1366页

作者： Francesca Saffioti Vasileios k.Mavroeidis Department of Gastroenterology and Hepatology Oxford University Hospitals NHS Foundation TrustOxford OX39DUOxfordshireUnited Kingdom UCL Institute for Liver and Digestive Health and Sheila Sherlock.Liver Unit Royal Free HospitalUniversity College LondonLondon NW32QGUnited Kingdom Department of Surgery The Royal Marsden NHS Foundation TrustLondon SW36JJUnited Kingdom Department of Transplant Surgery North Bristol NHS TrustSouthmead HospitalBristol BS105NBUnited Kingdom

Primary sclerosing cholangitis(PSC)is a premalignant condition and a welldocumented risk.factor for cholangiocarcinoma(CCA)which is the most common malignancy in this setting and the leading cause of deaths in the recent years,with an increasing ***-associated CCA has a geographical distribution that follows the incidence of PSC,with an observed ascending gradient from the Eastern to the Western and from the Southern to the Northern *** may arise at any location along the biliary tree but is most common in the perihilar *** with PSC and intrahepatic or perihilar CCA are typically not suitable for liver resection,which is otherwise the treatment of choice with curative intent in patients with resectable tumours,providing a radical resection with clear margins can be *** largely relates to the commonly advanced stage of liver disease at presentation,which allows consideration for liver resection only for a very limited number of suitable patients with *** the other hand,remark.ble progress has been reached in the last decades with the implementation of a protocol combining neoadjuvant chemoradiation and orthotopic liver transplantation(OLT)for the treatment of perihilar CCA,within specific *** results have been achieved particularly for PSC patients with this cancer,who seem to benefit the most from this treatment,having converted this into an accepted indication for transplantation and the standard of care in several experienced *** CCA as an indication for OLT remains controversial and has not been accepted given disappointing previous ***,as recent studies have shown favourable outcomes in early intrahepatic CCA,it may be that under defined criteria,OLT may play a more prominent role in the *** CCA in the context of PSC requires aggressive surgical treatment with curative intent,when *** review provides insight about particular features of CCA in the setting of

关键词： Cholangiocarcinoma Primary sclerosing cholangitis Liver resection Liver transplantation Neoadjuvant therapy Adjuvant therapy

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Teach yourself Russian /

Teach yourself Russian /

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1988年

作者： k. V. Mayorove.

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