1,822,099 research outputs found
Author\u27s Response to In My World: Designing Living & Learning Environments for the Young Creating Children’s Environments that Inspire and Instruct by Ro Logrippo
No full textAuthor\u27s Response to In My World: Designing Living & Learning Environments for the Young: Creating Children’s Environments that Inspire and Instruct by Ro Logripp
The sinking of the Ro–Ro passenger ferry SS Heraklion
No full textOn December 8, 1966 the Ro–Pax ferry SS Heraklion capsized and sank in the Aegean Sea, resulting in the death of over 200 people. The present paper tries to shed some light into the various events that led to the largest tragedy of modern Greek maritime history. It re-constructs the accidental data based on a variety of original investigation reports, ship files and legal evidence. Ship’s loading, intact and damage stability behaviour were re-investigated and the flooding/sinking of the ship was simulated by use of a time simulation method. Results of our investigation were compared with available testimonies of survivors. It was found that downflooding of large void spaces below the flooded car deck and the effect of multiple free surfaces on ship’s stability was eventually the main reason for SS Heraklion’s capsize
gnss-ro/aws-opendata: GNSS-RO AWS Open Data v1.0.0
No full textGNSS Radio Occultation Data in the AWS Clou
Diagnostic analysis of RO desalting treated waste water
No full textDiagnostic analysis of reverse osmosis membranes that were fed with Western treatment plant (WTP) recycled
water was investigated by both thermodynamic calculations and laboratory experiments in order to predict the
feasibility of RO desalting for WTP. The thermodynamic calculations suggested that RO recoveries of 80–85% were
feasible with careful control of feed water pH and the use of chemical additives such as antiscalants and chelating
agents, it also predicted the major minerals of concern to be silica, calcium fluoride, calcium carbonate, and calcium
phosphate. Following the thermodynamic simulations, diagnostic laboratory experiments were undertaken. The
experiments showed that the major contributor to scale formation was indeed calcium phosphate and possibly another
calcium based compound, which was strongly suspected to be calcium carbonate. Based on previously published
literature that indicated anti-scalants did not substantially decrease the scaling effect of calcium phosphate and laboratory tests that indicated controlling the pH to 6.4 in the feed water dramatically reduced scaling formation, it was suggested that the feed water could be controlled by pH adjustments only. Inter-stage pH correction was suggested as an optional technique to enhance the overall water recovery to above 95%
fhaegner/Mak-h-ro: Mak-h-ro ABM v1.0.0
No full textFirst release of the macroeconomic agent-based model Mak-h-ro
RO-Crate Metadata Specification 1.1.1
No full textThis document specifies a method, known as RO-Crate (Research Object Crate), of aggregating and describing research data with associated metadata. RO-Crates can aggregate and describe any resource including files, URI-addressable resources, or use other addressing schemes to locate digital or physical data. RO-Crates can describe data in aggregate and at the individual resource level, with metadata to aid in discovery, re-use and long term management of data. Metadata includes the ability to describe the context of data and the entities involved in its production, use and reuse. For example: who created it, using which equipment, software and workflows, under what licenses can it be re-used, where was it collected, and/or where is it about.RO-Crate uses JSON-LD to to express this metadata using linked data, describing data resources as well as contextual entities such as people, organizations, software and equipment as a series of linked JSON-LD objects - using common published vocabularies, chiefly schema.org.The core of RO-Crate is a JSON-LD file, the RO-Crate Metadata File, named ro-crate-metadata.json. This file contains structured metadata about the dataset as a whole (the Root Data Entity) and, optionally, about some or all of its files. This provides a simple way to, for example, assert the authors (e.g. people, organizations) of the RO-Crate or one its files, or to capture more complex provenance for files, such as how they were created using software and equipment.While providing the formal specification for RO-Crate, this document also aims to be a practical guide for software authors to create tools for generating and consuming research data packages, with explanation by examples
ro-crate-py
No full text<h2>What's Changed</h2>
<ul>
<li>Fix is_url by @simleo in https://github.com/ResearchObject/ro-crate-py/pull/168</li>
<li>Make Entity id a readonly property by @simleo in https://github.com/ResearchObject/ro-crate-py/pull/169</li>
<li>Add contentUrl when fetching remote files by @simleo in https://github.com/ResearchObject/ro-crate-py/pull/170</li>
<li>CLI: add file and dataset by @simleo in https://github.com/ResearchObject/ro-crate-py/pull/171</li>
<li>CLI: Support for adding arbitrary properties by @simleo in https://github.com/ResearchObject/ro-crate-py/pull/172</li>
<li>Delete trailing whitespace in the readme file by @simleo in https://github.com/ResearchObject/ro-crate-py/pull/176</li>
<li>avoid deprecated pkg_resources by @mashehu in https://github.com/ResearchObject/ro-crate-py/pull/173</li>
</ul>
<p><strong>Full Changelog</strong>: https://github.com/ResearchObject/ro-crate-py/compare/0.9.0...0.10.0</p>Cite a
Maneuvering Performance of Indonesian Ro-Ro Ferries under Action
No full textManeuvering performance is one of the most important aspect in ship operation especially when the ship operating in rough weather. Ships with large windage area may have large drift angle. In order to maintain the ship direction or heading angle, a significant rudder angle is necessary. The ship speed may significantly decreases due to high wind speed. This paper discusses maneuvering performance of Indonesian ro-ro ferries under action of variation wind speed. The wind speed variation was determined using the ratio between the wind speed and the ship speed. The wind direction is also simulated from 0 degree (head wind) and 180 degrees (following wind). The results show that the drift angle significantly increases due to increases the wind speed. The maximum drift angle occurs when the angle of wind direction relative to the ship is 60 degrees. The same phenomena occur in case of the rudder angle. However the necessary rudder angle in order to maintain the ship direction is larger than the drift angle of the ship mainly in low wind spee
ro-crate-py
No full textWhat's Changed
<ul>
<li>Test to check the performance of adding a data entity by @simleo in <a href="https://github.com/ResearchObject/ro-crate-py/pull/134">https://github.com/ResearchObject/ro-crate-py/pull/134</a></li>
<li>Fix missing file by @simleo in <a href="https://github.com/ResearchObject/ro-crate-py/pull/136">https://github.com/ResearchObject/ro-crate-py/pull/136</a></li>
<li>Fix typos in notebooks by @kinow in <a href="https://github.com/ResearchObject/ro-crate-py/pull/144">https://github.com/ResearchObject/ro-crate-py/pull/144</a></li>
<li>Fix typo on README by @kinow in <a href="https://github.com/ResearchObject/ro-crate-py/pull/145">https://github.com/ResearchObject/ro-crate-py/pull/145</a></li>
<li>Add Autosubmit language by @kinow in <a href="https://github.com/ResearchObject/ro-crate-py/pull/143">https://github.com/ResearchObject/ro-crate-py/pull/143</a></li>
<li>Add methods for adding and updating JSON-LD directly (partials for WMS) by @kinow in <a href="https://github.com/ResearchObject/ro-crate-py/pull/149">https://github.com/ResearchObject/ro-crate-py/pull/149</a></li>
<li>Remove version from ComputerLanguage by @simleo in <a href="https://github.com/ResearchObject/ro-crate-py/pull/150">https://github.com/ResearchObject/ro-crate-py/pull/150</a></li>
<li>Add add_tree method by @simleo in <a href="https://github.com/ResearchObject/ro-crate-py/pull/151">https://github.com/ResearchObject/ro-crate-py/pull/151</a></li>
<li>Remove engine version default by @simleo in <a href="https://github.com/ResearchObject/ro-crate-py/pull/152">https://github.com/ResearchObject/ro-crate-py/pull/152</a></li>
</ul>
New Contributors
<ul>
<li>@kinow made their first contribution in <a href="https://github.com/ResearchObject/ro-crate-py/pull/144">https://github.com/ResearchObject/ro-crate-py/pull/144</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/ResearchObject/ro-crate-py/compare/0.7.0...0.8.0">https://github.com/ResearchObject/ro-crate-py/compare/0.7.0...0.8.0</a></p>Cite a
Maneuvering Performance of Indonesian Ro-Ro Ferries under Action of Wind
No full textManeuvering performance is one of the most important aspect in ship operation especially when the ship operating in rough weather. Ships with large windage area may have large drift angle. In order to maintain the ship direction or heading angle, a significant rudder angle is necessary. The ship speed may significantly decreases due to high wind speed. This paper discusses maneuvering performance of Indonesian ro-ro ferries under action of variation wind speed. The wind speed variation was determined using the ratio between the wind speed and the ship speed. The wind direction is also simulated from 0 degree (head wind) and 180 degrees (following wind). The results show that the drift angle significantly increases due to increases the wind speed. The maximum drift angle occurs when the angle of wind direction relative to the ship is 60 degrees. The same phenomena occur in case of the rudder angle. However the necessary rudder angle in order to maintain the ship direction is larger than the drift angle of the ship mainly in low wind spee
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