scholarly journals Uncertainty assessment for short-term flood forecasts in Central Vietnam

2011 ◽  
Author(s):  
D. H. Nam ◽  
K. Udo ◽  
A. Mano
Keyword(s):  
Uncertainty Assessment ◽  
Short Term ◽  
Central Vietnam

Uncertainty Assessment on Short-Term Production Forecasts Using Integrated Asset Modeling and Experimental Design

2017 ◽  
Author(s):  
Xiaopeng Li ◽  
Suryansh Purwar ◽  
Sergio Sousa ◽  
Cesar Bravo ◽  
David Vasconcelos
Keyword(s):  
Experimental Design ◽  
Uncertainty Assessment ◽  
Short Term

Early psychosis in central Vietnam: A longitudinal study of short-term functional outcomes and their predictors

2017 ◽  
Vol 63 (7) ◽  
pp. 602-613 ◽  
Author(s):  
Seiji Humphries ◽  
Robert King ◽  
Michael P Dunne ◽  
Cat Huu Nguyen
Keyword(s):  
Longitudinal Study ◽  
Functional Outcomes ◽  
Early Psychosis ◽  
Short Term ◽  
Central Vietnam

On Uncertainty Assessment of Fatigue Damage of Propulsion Shaft Under Ice Impact

2021 ◽  
Author(s):  
Etienne Purcell ◽  
Amir R. Nejad ◽  
Mostafa Valavi ◽  
Anriëtte Bekker
Keyword(s):  
Fatigue Damage ◽  
Model Simulation ◽  
Uncertainty Assessment ◽  
Assessment Method ◽  
Remaining Useful Life ◽  
Lumped Mass ◽  
Short Term ◽  
Mass Model ◽  
Sources Of Uncertainty ◽  
Ice Loads

Abstract In this paper, the importance of maintenance of marine propulsion is discussed with specific focus on the use of condition monitoring to inform maintenance schedules. The design requirements of DNV GL for shafts expected to operate in ice infested waters is adapted and a method is proposed to calculate the short-term fatigue damage during ice impacts. This method uses the Palmgren-Miner rule to calculate fatigue damage based on a transient, lumped-mass model simulation of the shaft with ice loads calculated from shaft measurements using inverse methods. Relevant sources of uncertainty in this assessment method are identified and quantified in order to express the short-term fatigue damage in a stochastic form. Sources of uncertainty include uncertainty in the calculation of ice loads, uncertainty of the transient analysis and uncertainty regarding the actual failure of the shaft as predicted by the S-N material curve and the Palmgren-Miner method. Uncertainties that influence the stress history are found to be the greatest contributor to fatigue damage uncertainty. A method is discussed that calculates the remaining useful life of the shaft as a function of short-term fatigue damage and the identified sources of uncertainty. The S.A. Agulhas is used as a case study to quantify the fatigue damage.

scholarly journals Methodological Basis for Ensemble Hydrological Forecasts

2014 ◽  
pp. 16-29
Author(s):  
Keyword(s):  
Uncertainty Assessment ◽  
Ensemble Forecasting ◽  
System Structure ◽  
System Management ◽  
Practical Application ◽  
Short Term ◽  
Forecasting Methods ◽  
Forecasting System ◽  
Long Term Forecasting

Methodic basis of ensemble hydrological forecasts and possibilities of their application for water resources system management have been considered. The main features of the ensemble forecasting system structure and methods of obtaining and usage of supplemental information have been described. Methods of the ensemble hydrological forecasts quality and uncertainty assessment have been stated. World experience in practical application of the ensemble forecasting methods for short-term hydrological forecast has been presented. Approaches and results of the ensemble forecasting ideas use for long-term forecasting of spring floods in Russia has been described.

Conceptual short-term memory (CSTM) supports core claims of Christiansen and Chater

2016 ◽  
Vol 39 ◽  
Author(s):  
Mary C. Potter
Keyword(s):  
Working Memory ◽  
Rapid Serial Visual Presentation ◽  
Language Comprehension ◽  
Short Term Memory ◽  
Visual Presentation ◽  
Long Term Memory ◽  
Short Term ◽  
Term Memory ◽  
Use Of Knowledge

AbstractRapid serial visual presentation (RSVP) of words or pictured scenes provides evidence for a large-capacity conceptual short-term memory (CSTM) that momentarily provides rich associated material from long-term memory, permitting rapid chunking (Potter 1993; 2009; 2012). In perception of scenes as well as language comprehension, we make use of knowledge that briefly exceeds the supposed limits of working memory.

Ultrastructural Changes of Canine Kidneys During 24-Hour Perfusion on a LI-400 Preservation System

1971 ◽  
Vol 29 ◽  
pp. 316-317
Author(s):  
M. O. Magnusson ◽  
D. G. Osborne ◽  
T. Shimoji ◽  
W. S. Kiser ◽  
W. A. Hawk
Keyword(s):  
Electron Microscopy ◽  
Electrolyte Solution ◽  
Ultrastructural Changes ◽  
Midline Incision ◽  
Short Term ◽  
Pentobarbital Anesthesia ◽  
Pulsatile Perfusion

Short term experimental and clinical preservation of kidneys is presently best accomplished by hypothermic continuous pulsatile perfusion with cryoprecipitated and millipore filtered plasma. This study was undertaken to observe ultrastructural changes occurring during 24-hour preservation using the above mentioned method.A kidney was removed through a midline incision from healthy mongrel dogs under pentobarbital anesthesia. The kidneys were flushed immediately after removal with chilled electrolyte solution and placed on a LI-400 preservation system and perfused at 8-10°C. Serial kidney biopsies were obtained at 0-½-1-2-4-8-16 and 24 hours of preservation. All biopsies were prepared for electron microscopy. At the end of the preservation period the kidneys were autografted.

Polychlorinated biphenyl induced hepatocyte alterations

1987 ◽  
Vol 45 ◽  
pp. 716-717
Author(s):  
D.N. Collins ◽  
J.N. Turner ◽  
K.O. Brosch ◽  
R.F. Seegal
Keyword(s):  
Lipid Droplets ◽  
Wistar Rats ◽  
Homovanillic Acid ◽  
Polychlorinated Biphenyl ◽  
Corn Oil ◽  
Environmental Pollutants ◽  
Short Term ◽  
Pcb Congeners ◽  
Urinary Levels ◽  
The Brain

Polychlorinated biphenyls (PCBs) are a ubiquitous class of environmental pollutants with toxic and hepatocellular effects, including accumulation of fat, proliferated smooth endoplasmic recticulum (SER), and concentric membrane arrays (CMAs) (1-3). The CMAs appear to be a membrane storage and degeneration organelle composed of a large number of concentric membrane layers usually surrounding one or more lipid droplets often with internalized membrane fragments (3). The present study documents liver alteration after a short term single dose exposure to PCBs with high chlorine content, and correlates them with reported animal weights and central nervous system (CNS) measures. In the brain PCB congeners were concentrated in particular regions (4) while catecholamine concentrations were decreased (4-6). Urinary levels of homovanillic acid a dopamine metabolite were evaluated (7).Wistar rats were gavaged with corn oil (6 controls), or with a 1:1 mixture of Aroclor 1254 and 1260 in corn oil at 500 or 1000 mg total PCB/kg (6 at each level).

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