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A life-size mock-up of the reactor and special tools have been designed and built ahead of the repair procedure which the operating company hopes will take place next month at Argentina's Atucha II nu...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A cooperative repair framework for RS Codes
RS代码 协作修复 框架 分布式存储系统
2023/4/21
Reed-Solomon (RS) codes are widely used in distributed storage systems, such as HDFS, Google File System II, etc. Generally, a data file is encoded into an RS codeword and stored in n storage nodes wi...
Bridges with limb-inspired architecture can withstand earthquakes, cutting repair costs（图）
Bridges limb-inspired architecture withstand earthquakes cutting repair costs
2020/11/6
Structural damage to any of the nation's ailing bridges can come with a hefty price of billions of dollars in repairs. New bridge designs promise more damage-resistant structures and, consequently, lo...
Materials emitted by a water pipe-repair method may pose health risks,new safeguards and research needed（图）
Materials emitted water pipe-repair method health risks new safeguards and research
2017/9/1
New research is calling for immediate safeguards and the study of a widely used method for repairing sewer-, storm-water and drinking-water pipes to understand the potential health and environmental c...
Parametric Workflow (BIM) for the Repair Construction of Traditional Historic Architecture in Taiwan
Historic Architecture Taiwanese Traditional Building Parametric Workflow
2015/9/11
In Taiwan, numerous existing traditional buildings are constructed with wooden structures, brick structures, and stone structures.
This paper will focus on the Taiwan traditional historic architectur...
Navigating the Lead Laws/Rules/Standards for Renovation and Repair Activities: A Guide for Contractors and Laborers
Lead-Safe Work Practices Renovation Work Lead Exposure Construction Standards EPA Renovation Repair and Painting Rule Weatherization
2013/3/12
Children and adults are often exposed to lead in homes as a result of deteriorating lead-based paint surfaces and any disturbance to those surfaces. There are a number of laws, regulations, standards ...
Oil/Gas Pipeline Leak Inspection and Repair in Underwater Poor Visibility Conditions: Challenges and Perspectives
Pipeline Leaks Detection Spill Close-Visual Inspection Pipeline Repair Pipeline Inspection
2013/3/11
Mechanical pressure clamps are examples of innovative tools commonly used in the oil and gas industry for arresting leaks from damaged oil and gas pipelines. However, if leaks result from pipeline rup...
A shock and wear system under environmental conditions subject to internal failures, repair, and replacement
Markovian arrival process Phase-type distribution Replacement Imperfect repairAbstract
2012/4/22
A system in a random environment is considered. The influence of the external conditions is governed by a Markovian arrival process. The internal structure of failure and repair are governed by phase-...
NASA Astronaut John Grunsfeld, Instrumental to Hubble Telescope Repair, Will Help Oversee its Science Operations
NASA Astronaut Instrumental Science Operations
2010/1/11
NASA astronaut John Grunsfeld, who participated in three spaceflights to service the Hubble Space Telescope, is leaving the agency to become the deputy director of the Space Telescope Science Institut...
Problems in repair-welding of duplex-treated tool steels
repair welding nitrided tool steel PVD coating die casting
2009/10/23
The present paper addresses problems in laser welding of die-cast tools used for aluminum pressure die-castings and plastic moulds. To extend life cycle of tools various surface improvements are used....
LASER REPAIR WELDING OF MOLDS WITH VARIOUS PULSE SHAPES
laser repair welding pulse-shaping
2009/10/23
Repair welding of cold-work tool steels with conventional methods is very difficult due to cracking during remelting
or cladding and is generally performed with preheating. As an alternative, repair ...
Design of Feeder Route Network Using Combined Genetic Algorithm and Specialized Repair Heuristic
Feeder Route Network Combined Genetic Algorithm Specialized Repair Heuristic
2009/10/16
In metropolitan cities an efficient integrated public transportation system is unavoidable
to restrict unsustainable growth of private and intermediate transport modes.
Well-designed feeder routes a...
Instantaneous Triple-Frequency GPS Cycle-Slip Detection and Repair
Instantaneous Triple-Frequency GPS Cycle-Slip Detection and Repair
2009/9/3
real-time algorithm to detect, determine, and validate the cycle-slips for triple-frequency GPS is proposed. The cycle-slip detection is implemented by simultaneously applying two geometry-free phase ...
The Role of Mismatch Repair in Bacterial Evolution
MMR system mutator bacteria adaptive mutagenesis
2009/3/19
Experimental (directed) evolution is a study of evolution under defined and reproducible conditions, particularly on model laboratory populations of bacteria. Recently, remarkable success of directed ...
Process of Warp Knitting Mesh for Hernia Repair and its Mechanical Properties
hernia warp knitting medical textile mechanical property
2009/2/9
Polypropylene monofilament is selected to fabricate the mesh used for hernia repair, and the mesh is warp knitted on a Tricot machine with a compound needle (gauge E 18); an atlas structure is used. T...