نتایج جستجو برای: shipbuilding materials
تعداد نتایج: 437140 فیلتر نتایج به سال:
Editorial Asbestos, mesothelioma and the legacy of shipbuilding in Belfast In 1935, just 23 years after the Titanic sank (figure 1), Campbell and Young reported a cluster of three cases of 'mixed cell sarcomas' of the pleura in the Ulster Medical Journal l. There was no occupational, social or family history listed, but all three cases were re-analysed in 1996 with modern immunohistochemical te...
Sea transportation is one of the cheapest and most widespread types cargo transportation, process fouling vessel’s hull has an extremely negative impact on its maneuverability running characteristics. This leads to excessive consumption fuel, increase in cost delivery goods environmental risks. Namely, when additional fuel burned, emission greenhouse gas CO2 increases. Considering accompanying ...
Shipbuilding is inherently a social process involving numerous craftsmen utilizing their knowledge and skills while working together to produce complex machine. The construction of ship traditionally relies on stratified apprenticeship system that entails master teaching apprentices trade. In this type setting, the shipyard becomes classroom where younger generations learn mimic mannerisms from...
Shipyards often face unique challenges, as the construction of ships takes months or even years to complete. As in any sector, Industry 4.0 (I4.0) also affects shipbuilding sector. With this digital transformation, it aims meet challenges more personalized with shorter delivery times, greater flexibility, and higher quality. Therefore, study review IIoT technologies that will perform transforma...
According to the requirements of point cloud simplification for T-profile steel plate welding in shipbuilding, disadvantages existing algorithms are analyzed. In this paper, a method is proposed based on octree coding and threshold surface curvature feature. method, original data divided into multiple sub-cubes with specified side lengths by coding, points that closest gravity center sub-cube k...
Shipbuilding is one of the marine industries which in development needs to pay attention various parameters from sea and land. This research was conducted March May 2022 with aim identifying influence oceanographic factors water quality on shipbuilding industry at fishing port Sabang City. The data used includes tides, wind, bathymetry, sediment composition observed 12 station points. depth tid...
Aluminium and its alloys are commonly used in shipbuilding structures applications as include main strength members such as hulls, deckhouses and other applications as stack enclosures, hatch covers, windows, air ports, accommodation ladders, gangways, bulkheads, deck plates, ventilation equipment, lifesaving equipment, furniture, hardware, fuel tanks and bright trim. Separately interesting is ...
This paper presents an analytical investigation of the nonlinear vibration characteristics a single-phase functionally graded cylindrical shell panel with various porous metal cores. Porous constructions varying degrees porosity throughout their volume are known as materials (FGMs). These have wide range applications across several industries, including shipbuilding, automotive, biomedical, mar...
Introduction: Risk identification and investigation is an appropriate and practical approach for the occupational health professionals. This paper aims to determine exposure to the gases and metal fumes and to perform risk analysis in three common types of welding activities in a shipbuilding industry. Material and method: This analytical cross-sectional study was conducted in a shipbuilding i...
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