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1

Peculiarities of plowless tillage technology when growing crops

100%
Skrebelis S.
Annals of Warsaw University of Life Sciences - SGGW. Agriculture
|
2007
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nr 51 Agric.Forest Eng.
29-34
2
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Content available

Protic ionic liquids as a new hardener-modifier system for melamine-urea-formaldehyde adhesive resins

86%
Jozwiak M., Pernak J., Kot M.
Drewno. Prace Naukowe. Doniesienia. Komunikaty
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2011
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tom 54
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nr 186
This paper presents the results of investigations on the possibility of using protic ionic liquids as a hardener and modifier of melamine-urea-formaldehyde (MUF) adhesive resins. In research dialkylmethylammonium dodecylbenzenesulfonate base protic ionic liquids with varied amounts of carbon in alkyl group were used. The plywood manufactured using protic ionic liquids and MUF resin was characterized by a complete water resistance of glue lines, thus meeting the requirements of EN-314-02 standard.
3
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New hardware engine for new operating systems

86%
Ahmadi N., Kaveh M.
International Letters of Natural Sciences
|
2013
|
tom 05
Genetic algorithm is a soft computing method that works on set of solutions. These solutions are called chromosome and the best one is the absolute solution of the problem. The main problem of this algorithm is that after passing through some generations, it may be produced some chromosomes that had been produced in some generations ago that causes reducing the convergence speed. From another respective, most of the genetic algorithms are implemented in software and less works have been done on hardware implementation. Our work implements genetic algorithm in hardware that doesn’t produce chromosome that have been produced in previous generations. In this work, most of genetic operators are implemented without producing iterative chromosomes and genetic diversity is preserved. Genetic diversity causes that not only don’t this algorithm converge to local optimum but also reaching to global optimum. Without any doubts, proposed approach is so faster than software implementations. Evaluation results also show the proposed approach is faster than hardware ones.
4

Towards new ecological drainage system in Malaysia

72%
Abustan I., Wahid N. A.
International Journal of Ecohydrology and Hydrobiology
|
2002
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tom 02
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nr 1-4
This article discusses the new Urban Stormwater Manual for Malaysia (MSMA) (DID 2000) to counter the current and major urban problems such as flash flooding, water pollution and ecological damage, urban slope failures, and sedimentation. MSMA uses control-at-source approach instead of rapid disposal as a tool to curb generation of pollutants and to be environmentally friendly. In this article, the authors describe a pilot study designed and constructed in the University Science Malaysia following the MSMA’s eco-drainage guidelines. The study found more than 60% reduction in capturing runoff volume. In addition, the peak flow was reduced to more than 50%. The positive results from the study indicate that this manual can be used to solve the problems outlined earlier. Specifically, it shows that MSMA’s guidelines are very much suitable to the humid tropical condition of the Malaysian environment.
5

Accuracy of the fix - further prospect

72%
Kowalski H., Galinski J., Dabrowski T.
Polish Journal of Environmental Studies
|
2005
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tom 14
|
nr Suppl.1
This article presents possibilities of a further increase of the accuracy of ship’s position, which can be obtained by the usage of a laser gyroscope. Calculation of coordinates of ship’s position is made on the basis of a new cinematic geodesy, so-called displacement method. There are faults and virtues of such a measurement system; a two-frequency laser gyroscope is an example of, presented in the article. Analysis of the accuracy of ship’s position, made in geographic coordinates, has been obtained on the grounds of presently used navigation systems and the accuracy of position that can be obtained by the new system.
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