نتایج جستجو برای: magnetic logging

تعداد نتایج: 346510  

Journal: :Journal of Multimedia 2014
Junfeng Liu Heng Li Yingming Liu

Up till now, there is no production logging data interpretation module in CIFLog, which is the 3rd generation well-logging software platform in China. So the situation has a strong impact on its promotion and utilization. In this paper, firstly, the authors introduce the characteristics of the existing and mature logging interpretation software, and design the data interpretation module functio...

1995
Ganesha Beedubail Anish Karmarkar Anil Gurijala Willis Marti

This paper presents a new algorithm for supporting fault tolerant objects in distributed object oriented systems. The fault tolerance provided by the algorithm is fully user transparent. The algorithm uses checkpointing and message logging scheme. However the novelty of this scheme is in identifying the checkpointing instances such that the checkpointing time will not aaect the regular response...

2007
Rajendran M. Sivasankaran Krithi Ramamritham John A. Stankovic

1. INTRODUCTION Current databases need logging and recovery to maintain the correctness properties of transactions and consistency of the database under failures. Also, logging and recovery have tremendous performance implications. While there has been a lot of work that deals with logging and recovery algorithms for traditional disk resident databases ([1, 2, 3, 4, 5]) and Main Memory Database...

1995
Jurriaan D. Mulder Jarke J. van Wijk

Logging of input and output variables is very useful in computational steering. In this paper we describe how we added logging functionality to a computational steering environment developed at CWI. We show how a 2D interface can be augmented with logging by using the third dimension for the display of the logged variables. The user specifies which graphical representations of variables must be...

Journal: :Journal of safety research 2002
Jennifer L Bell

PROBLEM It is well documented that logging is one of the most dangerous occupations and industries in which to work, and trees fellers are at greatest risk of injury. The objective of this study was to determine whether West Virginia (WV) logging companies experienced a reduction in injuries after beginning to use feller-bunchers (tree cutting machines, which replace some of the work done with ...

2017
David Lévesque Bernadette Pinel-Alloul Ginette Méthot Robert Steedman

In Canada, climate change and forest harvesting may both threaten the ecological integrity of boreal lakes. To disentangle the effects of natural variation in climate and lake environments from those of logging, we evaluated long-term variation (1991–2003) in zooplankton communities of six boreal lakes in Ontario. We monitored concomitantly changes in zooplankton abundance and composition in th...

2001
Taesoon Park Namyoon Woo Heon Y. Yeom

Some extended algorithms of checkpointing coordination and pessimistic logging schemes have been proposed for the fault tolerant mobile systems. However, not much attention has been paid for the optimistic logging scheme. The optimistic logging requires the less failure-free operation cost compared to the other logging schemes and the less failure recovery cost compared to the checkpointing sch...

Journal: :Proceedings. Biological sciences 2011
David P Edwards Trond H Larsen Teegan D S Docherty Felicity A Ansell Wayne W Hsu Mia A Derhé Keith C Hamer David S Wilcove

Southeast Asia is a hotspot of imperiled biodiversity, owing to extensive logging and forest conversion to oil palm agriculture. The degraded forests that remain after multiple rounds of intensive logging are often assumed to be of little conservation value; consequently, there has been no concerted effort to prevent them from being converted to oil palm. However, no study has quantified the bi...

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