ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
ABSTRACT The importance of natural gas in the European Countries has grown significantly since the first years of Millennium 2000. The increasing popularity of this fuel source is mainly related to relevant low emissions to the environment and its flexibility in energy production. In order to meet ...
ABSTRACT: Carbon steel pipelines are used extensively in the oil and gas industry for sub-sea applications. Usually they are cathodically protected and have exterior surface protective coatings. Where these are ineffective or not used, the evolution of weld zone corrosion with time may be of interest. ...
ABSTRACT: The subsea tieback routes of the Medway Field Development cross a mobile seabed with large sand waves and numerous megaripples. To allow the pipelines to be laid, without excessive free spanning, two lay corridors were pre-swept using a Trailing Suction Hopper Dredger (TSHD). The requirement ...
ABSTRACT: The RANS computations of a ship with sink and trim motion in head waves are presented. The added resistance, heave and pitch motions are investigated numerically. The computations are based on volume of fluid (VOF) and dynamic deformation mesh methods, discretized by finite volume method ...
ABSTRACT: In this article the author established the mathematical model of system identification of composite trimaran rolling motion model based on the genetic optimization algorithm, using VB language to write the recognition software, designed and manufactured a composite trimaran test model, doing ...
The objective of this paper is to apply IMO "severe wind and rolling criterion (weather criterion)" for anchor handling vessels during operation. So far, this criterion is used for merchant ships greater than a certain size and of conventional hull forms but it is not mandatory for special purpose ships ...
ABSTRACT: This paper proposes a procedure to quantify dangers of maneuvering ships in ship-to-ship lightering operations. In the previous study, operational limitations as a function of 2-D intra-ship position, due to static mechanisms of hydrodynamic interaction were proposed. The dynamic evaluation ...
ABSTRACT: The bulbous bow is often designed to reduce the resistance of the deep sea trawlers. Firstly, the viscous flow around ship hull is simulated based on Computational Fluid Dynamics (CFD) software FLUENT. The Volume of Fluid method (VOF) has been used with FLUENT for capture the free surface ...
ABSTRACT: Application of mechanical collet connector has become increasingly common in ocean engineering. Meanwhile, the locking mechanism of the mechanical collect connector has a direct impact on the reliability of the connector. In this paper, a locking mechanism design was proposed for a collet ...
This study aimed to quantify the accumulation and elimination of Enrofloxacin (ENRO) and Ciprofloxacin (CIPRO) in cultivated Litopenaeus vannamei under controlled laboratory and farm conditions. Laboratory- and farm-raised shrimp were given feed supplemented with 200âmg/kg ENRO for 14 days, followed ...
Background Restriction site-associated DNA sequencing (RAD-Seq) is a genome complexity reduction technique that facilitates large-scale marker discovery and genotyping by sequencing. Recent applications of RAD-Seq have included linkage and QTL mapping with a particular focus on non-model species. In ...
Understanding the feeding preferences of abalone (high-value marine herbivores) is integral to new species development in aquaculture because of the expected link between preference and performance. Performance relates directly to the nutritional value of algae â or any feedstock â which in turn is ...
The common carp (Cyprinus carpio) is an important aquaculture fish worldwide but only limited single nucleotide polymorphism (SNP) markers are characterized from expressed sequence tags (ESTs) in this species. In this study, 1487 putative SNPs were bioinformatically mined from 14,066 online ESTs mainly ...
Genetic admixture between wild and introduced populations is a rising concern for the management of endangered species. Here, we use a dual approach based on molecular analyses of samples collected before and after hatchery fish introduction in combination with a simulation study to obtain insight into ...
Many countries around the world face three major issues associated with their aging societies: a declining population, an increasing proportion of seniors, and an increasing number of single-person households. To explore assistive technologies that can help solve the problems faced by aging societies, ...
The invention relates to a method which allows identifying shellfish by forming a mark (6) on the carapace or shell of the animal (5) to be identified by means of applying a laser beam (4). By means of this method it is possible to identify crustaceans, mollusks or any other animal provided with a carapace, ...
Stabilized bacteriophage compositions, and methods for preparing stabilized bacteriophage compositions are provided. The method for producing an antibacterial composition involves adsorbing an aqueous solution of one or more bacteriophages, or one or more phage components, onto a matrix to produce a ...
An indicating section is formed in a rear flange portion of a metal spool. The indicating section includes first and second stepped portions. These portions are indicators for the amount of fishing line wound around spool. The first stepped portion is formed by first and second surfaces. The first surface ...
This invention relates to a novel use of cationic preservatives and preparations according to this novel use. A cationic preservative derived from lauric acid and arginine, in particular, the ethyl ester of the lauramide of the arginine monohydrochloride, hereafter named LAE, can be used for the protection ...
The middle section of the lake basin of the Doce River in Minas Gerais State, Brazil is plagued by grave environmental problems, including the introduction of non-native fish, which reduces the biodiversity of this region. This study reports the presence of two newly-detected non-native species in the ...