Results 21 to 30 of about 2,845,050 (305)
While lean combustion in SI engine is one of the promising methods to increase the thermal efficiency and reduce the pollutant emissions, it causes instability of ignition and combustion due to the low burning velocity.
Kazuki HARADA +5 more
doaj +1 more source
Description of the male of Craugastor yucatanensis (Lynch, 1965) (Anura, Craugastoridae), its advertisement call, and additional data on females [PDF]
The male of Craugastor yucatanensis (Lynch, 1965) is described for the first time, as the original description was based on four females. The advertisement call is described and additional morphological data on females are presented. Also, information is
Rubén Alonso Carbajal-Márquez +5 more
doaj +3 more sources
The evaluation of the effects of friction in rocking vibration
In the structures whose bottoms is not fixed such as home appliances and furniture, the falls and the slip movements are caused by vibrations such as earthquakes.
Ryo MIDORIKAWA +2 more
doaj +1 more source
This study proposes a multiobjective stacking sequence optimization method for an unsymmetric laminated plate using for a torsion-box structure of an aircraft wing.
Kentaro HASHIWAKI, Nozomu KOGISO
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DEN NYE HISTORIESKRIVNING I 900-TALLET
Med Liudprand af Cremonas værk Antapodosis blomstrede historieskrivningen op efter en 50-årig stilstandsperiode i det østfrankiske rige. Samtidig skete et skift i den foretrukne historiske genre.
Sigga Engsbro
doaj +1 more source
Fatigue strength of resistance spot welded high-strength steels does not improve with increasing base metal strength. Therefore, cold-working method and tempering treatment have been proposed as methods for improving fatigue strength.
Akira SATO +5 more
doaj +1 more source
Newly-Found Poems in 900 Anthology [PDF]
Nowadays, there is no doubt that any exploration into old Persian poetry will be incomplete without recourse to anthologies and collections of poem. Anthologies are of importance because they keep intact the name and traces of unknown poets and their ...
h Khatamipour, m Sharifi Sohi
doaj
TiAl (titanium aluminide) has been applied to turbine blades in aerospace industry, because it is a promising lightweight material with high strengths at high temperatures. In recent years, the production method of TiAl by additive manufacturing has been
Kazuhiro GOKAN +4 more
doaj +1 more source
Design of a GSM 900 Energy Harvesting Model for a Remote-Control Device [PDF]
This paper deals with designing and simulation of an efficient RF-DC energy harvesting system for a remote control device. GSM down-link frequency of 935MHz to 960MHz and uplink frequency of 890MHz to 915MHz is taken as the RF source with centre ...
Deepak Kumar Nayak, Arjuna Muduli
doaj +1 more source
A tethered system, which is a multibody system in which multiple rigid bodies are connected via a flexible tether, is currently used for space and deep-sea exploration.
Riko OGAWARA, Yoshiaki TERUMICHI
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