Results 21 to 30 of about 543,653 (247)

Research on cross-sectional shape to improve mass efficiency of high-strength thin plate hollow frame bending strength

open access: yesNihon Kikai Gakkai ronbunshu, 2021
From the viewpoint of suppressing global warming, it is required to reduce CO2 emissions during driving by improving the fuel efficiency of automobiles.
Masanori HONDA   +3 more
doaj   +1 more source

900 Jahre Prämonstratenserorden - 900 éves a premontrei rend

open access: yes, 2020
Der 900 Jahre alte Prämonstratenserorden ist seit dem 12. Jahrhundert in Ungarn präsent. Der Orden wurde im Jahr 1120 von Norbert von Xanten mit dreizehn Gefährten in Prémontré bei Laon, auf dem Fernbesitz der Abtei Prüm, gegründet. 2020 feiern sie ihr 900-jähriges Bestehen, und zu diesem Anlass hat die Ungarische Zirkarie (Visitations- und ...
Balogh, Péter Piusz   +5 more
openaire   +2 more sources

Venezia ’900: il secolo delle mostre

open access: yesLaboratoire Italien, 2014
For Venice, the 20th century was a century of exhibitions, since the “invention” of the Biennale in 1895. With the development of cultural tourism, art exhibitions have flourished.
Nico Stringa
doaj   +1 more source

Unified definition of stress intensity factors at a sharp three-dimensional jointed corner

open access: yesNihon Kikai Gakkai ronbunshu, 2021
In the manufacture of electronic devices and MEMS, a wide variety of materials are jointed. For light-weight automobiles, CFRP materials are jointed with metallic materials.
Omar IBRAHIM   +2 more
doaj   +1 more source

The research on NOx formation in MILD combustion of primary combustion gas in waste incinerator

open access: yesNihon Kikai Gakkai ronbunshu, 2021
The flame structure and NOx formation of the inversed diffusion flame (IDF) and MILD combustion formed in the secondary combustion area of waste incinerator were experimentally investigated in order to clarify the NOx generation mechanism in the waste ...
Shuo TIAN   +4 more
doaj   +1 more source

Study on promotion of lean combustion by oxygen enrichment using a rapid compression expansion machine

open access: yesNihon Kikai Gakkai ronbunshu, 2021
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]

open access: yesZooKeys, 2019
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

open access: yesNihon Kikai Gakkai ronbunshu, 2021
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

Multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints

open access: yesNihon Kikai Gakkai ronbunshu, 2021
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
doaj   +1 more source

Factors of improving fatigue strength in resistance spot welded high-strength steel sheets with tempering treatment

open access: yesNihon Kikai Gakkai ronbunshu, 2021
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

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