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31.053  Articles
1 of 3.106 pages  |  10  records  |  more records»
Abstract. The aim of the work is to create a new technique that allows a simple method to determine the effective diameter of austenite primary grain and the morphology of martensitic grain-boundary structure hardened on lath martensite of low-carbon stee... see more

During June 1997, bottom sediment samples were collected at 76 stations on a rectangular grid in a small port (Lirquén Harbor, south-central Chile) facing siltation problems. The spatial changes in grain-size parameters, analyzed by using three different ... see more

The grain-size-selective aeolian processes that take place after a beach nourishment were studied on the island of Ameland in the Netherlands. The beach and foredunes were sampled both before and after nourishment. Grain-size distributions of surface and ... see more

Trends in sediments and morphology across the Ebro Delta shoreface were investigated during a three year experiment. The profile slope, the location of morphological features, the textural parameters of the sediment and the relative abundance of sand frac... see more

An investigation was carried out in The Netherlands to assess the impact of the properties of the sand from various beach and dune nourishments on the rate of aeolian sand transport. Samples from nourished beaches and dunes and nearby unnourished beaches ... see more

For the research the samples of ash (Fraxinus excelsior L.), birch (Betula L.), black alder (Alnus glutinosa L.), Scots pine (Pinus Sylvestris L.) and spruce (Picea abies L.) wood were used with dimensions of 270×215×15 mm. All wood samples were tang... see more

Changing the degree to which animals feed is grinded can be done for hammer mills in several ways, namely: the use of sieves with different diameters, different hammers, different engine speeds.Grain milling energy consumption is influenced by the type of... see more

Traditional techniques for classifying the average grain size in gravel bars require manual measurements of each grain diameter. Aiming productivity, more efficient methods have been developed by applying remote sensing techniques and digital image proces... see more

The ferrite grain size of a 22MnVNb6 microalloyed steel can be estimated by developing a relationship between ferrite grain size, austenitising temperature and cooling rate from austenitising time, temperature. An extended Hall-Petch relationship was used... see more

1 of 3.106 pages  |  10  records  |  more records»