ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Coral reefs are dynamic systems whose composition is highly influenced by unpredictable biotic and abiotic factors. Understanding the spatial scale at which long-term predictions of reef composition can be made will be crucial for guiding conservation efforts. Using a 22-year time series of benthic ...
Pesticide presence in streams is a potential threat to Endangered Species Act listed salmonids in the Hood River basin, Oregon, a primarily forested and agricultural basin. Two types of passive samplers, polar organic chemical integrative samplers (POCIS) and semipermeable membrane devices (SPMDs), ...
Radiotherapy is widely used in cancer treatment. In addition to inducing effects in the irradiated area, irradiation may induce effects on tissues close to and distant from the irradiated area. Japanese medaka, Oryzias latipes, is a small teleost fish and a model organism for evaluating the environmental ...
Background Common carp (Cyprinus carpio L.), one of the most economically valuable commercial farming fish species in China, is often infected by a variety of viruses. As the first line of defence against microbial pathogens, the innate immune system plays a crucial role in teleost fish, which are ...
Using toluene droplets as a model for artificial oxygen carriers, the real-time measurement of attomole oxygen contents at the individual droplet level is reported for the first time. Oxygen reduction is observed within single individual toluene droplets when they impact with an electrode held at a ...
Growth related traits in fish are controlled by quantitative trait loci (QTL), but no QTL for growth have been detected in bighead carp (Hypophthalmichthys nobilis) due to the lack of high-density genetic map. In this study, an ultra-high density genetic map was constructed with 3,121 SNP markers by ...
The increase in extreme heat events associated to global warming threatens seagrass ecosystems, likely by affecting key plant physiological processes such as photosynthesis and respiration. Understanding species’ ability to acclimate to warming is crucial to better predict their future trends. Here, ...
Abstract Increasing human activity in the Arctic creates great concern about possible accidents and their consequences for life and nature. The sufficient level of preparedness for emergency cases should be defined and secured. On the basis of previous assessment of activity level and risk matrix and ...
Abstract In this paper, the effect of an Offshore Wind Farm (OWF) on the surrounding wave field is numerically investigated in frequency domain, using a BEM numerical model based on the potential flow theory. The analysis is performed for regular waves of various periods and incident wave directions ...
Abstract Maneuverability is one of the most important hydrodynamic performances, the maneuverability of the underwater vehicles is evaluated and predicted from the horizontal plane and vertical plane for decades. However, with the increasing demand of strong spatial movement missions, it is necessary ...
Abstract Due to the uncertainty of external environmental condition in the process of designing the ship, the ship's performance may change and shift, or even fail during the ship operation. In order to reduce the influence of external uncertain factors on ship's performance, the robustness of the ...
Abstract With the enhanced ship hydrodynamic in Xicheng Canal, the shipgenerated waves are the main factor inducing turbidity in the water column and damages of the channel revetments. In this study, to clarify the characteristics of ship-generated waves in Xicheng Canal, field observations and numerical ...
Abstract This paper discusses the status and development prospects of Arctic escape, evacuation and rescue (EER) solutions in the Greenland and Barents Seas, and briefly describes two recent maritime rescue operations in Norwegian waters. Successful outcomes of maritime EER operations in Arctic waters ...
Abstract Fenders are used for the protection of ship hull from impact forces caused at the berthing to a quay, by their buffering effects. The aim of this study is to introduce air cushioning effects to the fender design by using numerical simulation method. We estimate the buffering performances of ...
Abstract The multifunctional composite coatings having practically important properties (anticorrosive, antifriction, hydrophobic, superhydrophobic etc.) were obtained on the aluminum and magnesium alloys using plasma electrolytic oxidation (PEO) and fluoropolymer materials (superdispersed polytetrafluoroethylene ...
Abstract Oscillatory flow around a large sphere resting on a plane and rough bottom is simulated by means of direct numerical simulations of continuity and Navier-Stokes equations. The bottom roughness is provided by a layer of spherical particles, the size of which is much smaller than the radius ...
Abstract The paper discusses the application of the homotopy algorithm, coupled with a hull form modification method based on RBF(Radial basis function)interpolation, in order to deal with the inverse design of the fore part of the ship hull of a modern container ship KCS. The RBF interpolation has ...
Abstract In the present study, the process of free-falling wedge impacting on water is numerically studied by our in house solver based on Moving Particle Semi-Implicit (MPS) method. Some improved schemes are used in this solver to suppress numerically unphysical pressure oscillation in traditional ...
Abstract The present work is focused on the comparative study of two numerical methods, i.e. MPS method and VOF method, for the prediction of sloshing in LNG tank. Numerical simulations are carried out by an in house meshless solver MLParticle-SJTU based on improved Moving Particle Semi-Implicit (IMPS) ...
Abstract The objective of this study is to predict and analyze the viscous flow and the ship-ship interaction between two different tankers KVLCC2 and Aframax advancing in shallow water with same speed and with a fixed separation distance by solving the unsteady RANS equations in combination with the ...