Results 21 to 30 of about 206,191 (361)

Beach Morphology Changes Due to Sediment Transport Generated by Wave and Current in The Sea Waters of Bengkulu City, Indonesia

open access: yesIlmu Kelautan, 2022
Bengkulu City which is located on the west coast of Sumatra Island has a very prospective to be developed for marine, fisheries, tourism, and maritime businesses.
Supiyati Supiyati   +3 more
doaj   +1 more source

Postglacial Black Sea Level Rising, Urban Development and Adaptation of Historic Places. The case study of the city-peninsula of Nesebar (Bulgaria)

open access: yesInternet Archaeology, 2022
The strengthening of a coastal zone involves a complex of hydrodynamic factors (waves, currents, wind and materials carried by them), climate, rock stability, sedimentation and eustatic fluctuations at sea level.
Hristo Preshlenov
doaj   +1 more source

Experimental Verification of the Mechanical Resistance of Forensic Marking by Means Synthetic DNA [PDF]

open access: yes, 2017
This article deals with experimental verification of resistance of forensic identification marks (microdots in combination with artificial DNA) to property. It is considered mechanical abrasion from potential offender to remove or damage readability of
Hütter, Marek   +2 more
core   +1 more source

Effect of airborne particle abrasion on microtensile bond strength of total-etch adhesives to human dentin [PDF]

open access: yes, 2017
Aim of this study was to investigate a specific airborne particle abrasion pretreatment on dentin and its effects on microtensile bond strengths of four commercial total-etch adhesives. Midcoronal occlusal dentin of extracted human molars was used. Teeth
Capogreco, Mario   +5 more
core   +4 more sources

The Use of Green Laser in LiDAR Bathymetry: State of the Art and Recent Advancements

open access: yesSensors, 2022
Bathymetric LiDAR technology is a technology used for simultaneous data acquisition regarding the morphology of the bottom of water reservoirs and the surrounding coastal zone, realized from the air, e.g., by plane or drone.
Anna Szafarczyk, Cezary Toś
doaj   +1 more source

Vibratory Finishing of Stereolithography Parts [PDF]

open access: yes, 1993
Rapid Prototype polymer resin models produced by Stereolithography have, by the nature of the process, a relatively poor surface roughness, particularly on concave and convex surfaces.
Spencer, John D.
core   +1 more source

ABRASIVES AND POSSIBILITIES OF INCREASE IN EFFICIENCY OF ABRASIVE WATERJETS

open access: yesMM Science Journal, 2016
The contribution focuses on the research into abrasive materials and possibilities of adjustment of their properties in order to increase the efficiency of the processes of machining and cutting with abrasive waterjets. Cutting ability of commonly available garnet concentrates and nontraditional products which are starting to access to the Czech market
Sitek, L. (Libor), Martinec, P. (Petr)
openaire   +3 more sources

Application of modern pre-treatments in plum drying [PDF]

open access: yesJournal on Processing and Energy in Agriculture, 2019
The purpose of this study is to determine the influence of abrasive pre-treatments on plum drying time compared to the conventional ones. The mechanical pre-treatment examined included the abrasion at three different cylinder rotation times: 5, 10 and 15
Jelačić Tvrtko   +4 more
doaj   +1 more source

Tribo-corrosion of steel in artificial saliva [PDF]

open access: yes, 2014
Stainless steel is widely used as dental implant. However, there has been little work on the micro-abrasion of such materials in laboratory simulated oral environments, where abrasion, sliding wear can interact simultaneously.
Holmes, D., Sharifi, S., Stack, M. M.
core   +1 more source

Machine Learning-Assisted Hardness Prediction of Dispersion-Strengthened Tungsten Alloy

open access: yesMetals
Hardness, as a typical mechanical property of dispersion-strengthened tungsten alloy, is influenced by various coupled factors. This paper aims to identify the key factors affecting the hardness of the dispersion-strengthened tungsten alloys with ...
Shaowu Dai   +9 more
doaj   +1 more source

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