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678篇 您的检索式:作者名="Bertone"
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1混凝土路面砖抗折强度试验方法的验证试验研究显示文摘本文介绍阿根廷国家标准IRAM11656中,有关混凝土路面砖力学强度检测方法的演变过程。在该标准的1998年版本中,曾对强度试验方法和指标进行过修改,将原来从路面砖上取样进行轴向抗压强度试验,修改为用垫压板法对整砖进行抗压强度试验,压板大小取决于路面砖的厚度。2006年对该标准再次进行修订,修订过程在取得大量试验研究数据的基础上,阿根廷波特兰水泥协会提议参照哥伦比亚NTC2017标准,将对路面砖进行抗压强度检测,改变为对其进行抗折强度检测;并认为抗折强度值更能代表混凝土路面砖在路面使用中的受力情况。我们研究了抗折强度试验方法的一些影响因素,例如:NTC2017标准中所用抗折试验装置的适用性、在抗折支座和路面砖样品之间是否需垫橡胶条、是否需对路面砖先进行干燥,以及混凝土抗压强度、吸水率、密度与路面砖抗折强度之间的相互关系,等等。协调安排多家试验室进行比对试验,以验证其它实验室所取得的混凝土路面砖抗折强度的试验结果。对验证试验的方法、数据等进行分析,建立路面砖抗折试验结果再现性和复验性的数据库。这些实验室研究工作,加快了IRAM11656标准的修订过程。正式批准之后,这项标准已被用于混凝土路面砖产品的自愿认定程序,纳入建筑材料质量保证体系。Benítez Alexandra Bertone John Civitillo Paul 崔玉忠 2010建筑砌块与砌块建筑2010,,5:2
2Use of wild trout for PBDE assessment in freshwater environments: Review and summary of critical factors显示文摘Certain wild animals represent sentinels to address issues related to environmental pollution,since they can provide integrative data on both pollutant exposure and biological effects.Despite their technological benefits,PBDEs are considered a threat to environmental health due to their persistence,toxicity,and capacity to be accumulated.These pollutants have been found geographically widespread in fish,particularly in predator species such as trout.The aim of this work is to critically review the applicability and usefulness of wild trout for assessing PBDEs in freshwater environments.Reviewed reports include data from highly industrialized areas as well as areas from remote regions with relatively low human activity,including European and North American great lakes and freshwater environments in Europe,Greenland,subarctic areas and Patagonia,respectively.A summary of relevant factors were grouped into organism-specific factors(food habits,age,size,lipid content,sex and reproduction,tissue type,mechanism of contaminant uptake and metabolism),and PBDE levels in the surrounding environment(sediment).Five wild trout species[rainbow trout(Oncorhynchus mykiss),brown trout(Salmo trutta),lake trout(Salvelinus namaycush),arctic char(Salvelinus alpinus),and brook trout(Salvelinus fontinalis)],collected worldwide within the 1994 to present time frame,were considered.Multivariate techniques(principal component analysis-PCA)and mapping approach,showed clear differences in geographic distribution patterns of PBDE levels in trout depending on the region studied:wild trout from European and North American great lakes have the highest PBDE loads.This pattern could be due to high industrial activity at these locations.A correlational approach used to explore intraspecific relationships between PBDE levels and morphometry,showed positive relationships only for brown trout.Further,brown trout showed the highest trout-to-sediment ratios,which is suggestive of a relatively greater capacity of this species to accumulate PBDEs in relation to sediment levels.Overall,results suggest that adult wild trout could be useful as a PBDE bioindicator.Juan M.Ríos Nerina B.Lana Paula Berton Néstor F.Ciocco Jorgelina C.Altamirano 2015Emerging Contaminants2015,1,1:2
3Non invasive pressure support ventilation(NIPSY) with face mask in patients acute cardiogenic pulmonary edema显示文摘Rusterholtz Kempt J Berton C 1999Intensive Care Med1999,25,1:1
4Advances in functional protein microarray technology显示文摘Bertone P Snyder M 2005FEBS J2005,272,21:1
5Lysosomal exocytosis induced by hyperthermia:a new model of cancer death Ⅲ Effect on liver metastasis显示文摘Barni S Bertone V Silvotti M G 1996Biomed Pharmacother1996,50,2:1
6Spatiotemporalphase unwrapping for the measurement of discontinuousobjects in dynamic fringe-projection phase-shifting pro-filometry显示文摘ZHANG H LALOR M BERTON D 1999Appl Opt1999,38,16:1
7Vascular involvement in diabetic subjects with ischemic foot ulcer: a new morphologic categorization of disease severity 显示文摘Graziani L Silvestro A Bertone V 2007Eur J Vasc Endovasc Surg2007,33,10:1
8Complete ana lytic elastic study of a 90°branch connection of a cylinder on a sphere subjected to a bending load显示文摘PLANCQ D BERTON M N PIERRE G 1997International Journal o Pressure Vessels and Piping1997,71,1:1
9Noninvasive pressure ventilation(NIPSV)with face mask with acute cardiogenic pulmonary edema显示文摘 Kempt J Berton C 1999Intensive Care Med1999,25,1:1
10Simulation of shrinkage induced cracking in cement composite overlays 显示文摘JOHN E BOLANDER JR STEFANO BERTON 2004Cement & Concrete Composites2004,26,:1
11The effects of radiofrequency energy treatment on chondrocytes and matrix of fibrillated articular cartilage显示文摘RYAN A BERTONE AL KAEDING CC 2003Am J Sports Med2003,31,3:1
12Phosphatidylinositol 3-kinase is requiredfor the expression but not for the induction or the maintenance of long-term potentiationin the hippocampal CA1 region显示文摘Sanna PP Cammalleri M Berton F 2002J Neurosci2002,22,:1
13Percutaneous transluminal angioplasty is feasible and effective in patients on chronic dialysis with severe peripheral artery disease显示文摘Graziani L Silvestro A Bertone V 2007Nephrol Dial Transplant2007,22,4:1
14C-reactive protein in acute myocardial infarction:association with heart failure显示文摘Berton G Cordiano R 2003Am HeartJ2003,145,6:1
15Quantitative versus qualitative cultures of respiratory secretions for clinical outcomes in patients with ventilator-associated pneumonia显示文摘Berton D C Kalil A C Teixeira P J 2014Cochrane Database Syst Rev2014,30,00:1
16Risk of renal and colonic neo- plasms and spontaneous pneumothorax in the Birt-Hogg-Dube syndrome 显示文摘Berton Z Gregory A Gladys G 2002Cancer Epidemiol Biomarkers Prey2002,11,4:1
17Outcome of faparoscopic coforectal resection显示文摘 Mineccia M Bertone A 2004Surg Endosc2004,18,11:1
18Ultraviolet-B irradiation alters the cell cycle machinery in murine epidermis in vivo显示文摘Berton TR Pavone A Fischer SM 2001J Invest Dermatol2001,117,5:1
19A lost-wax approach to monodisperse colloids and their crystals显示文摘JIANG P BERTONE J F COLVIN V L 2001Science2001,291,19:1
20C-reactive protein in acute myocardial infarction:association with heart failure显示文摘Berton G Cordiano R Palmieri R et a1 2003Am Heart J2003,145,6:1
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