Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Li-Xiang Duan"'
Publikováno v:
Measurement Science Review, Vol 18, Iss 6, Pp 243-250 (2018)
High-speed blades form core mechanical components in turbomachines. Research concerning online monitoring of operating states of such blades has drawn increased attention in recent years. To this end, various methods have been devised, of which, the
Externí odkaz:
https://doaj.org/article/87026607d9664b9eb5533cda48c3aa4c
Publikováno v:
Petroleum Science, Vol 14, Iss 3, Pp 539-548 (2017)
Abstract Vibration and oil debris analysis are widely used in gearbox condition monitoring as the typical indirect and direct sensing techniques. However, they have their own advantages and disadvantages. To better utilize the sensing information and
Externí odkaz:
https://doaj.org/article/70c4e595055645dfb51c3c06a0d0e957
Publikováno v:
Sensors, Vol 18, Iss 7, p 2166 (2018)
Blade tip timing (BTT) technology is considered the most promising method for blade vibration measurements due to the advantages of its simplicity and non-contact measurement capacity. Nevertheless, BTT technology still suffers from two problems, whi
Externí odkaz:
https://doaj.org/article/aabdf72621a94892b12c5d52d76b0972
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 10, Pp o1880-o1880 (2008)
In the title compound, C9H11N3O, the crystal structure is stabilized by a bifurcated intermolecular N—H...(N,O) hydrogen bond and a C—H...O interaction, leading to chains of molecules.
Externí odkaz:
https://doaj.org/article/caa138829461423fa273c7278ab3c392
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 9, Pp m1201-m1202 (2008)
In the title compound, {[Cu(C16H17FN3O3)2]·4H2O}n, the CuII atom is bonded to two O,O′-bidentate 1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylate (norf) monoanions and a symmetry-generated N-bonded norf anion, resulting
Externí odkaz:
https://doaj.org/article/4b863ce312ac45c28954d267b595fdd6
Publikováno v:
Advanced Materials Research. :299-302
In oil-delivery pumps, impeller failure is a common cause leading to excessive vibration. This paper is aimed to analyze the fault causation of impeller failure in oil-delivery pumps by using fuzzy Petri net (FPN) theory. The longest path algorithm b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa981626bec79ccea7376101e91e81d7
https://doi.org/10.4028/www.scientific.net/amr.588-589.299
https://doi.org/10.4028/www.scientific.net/amr.588-589.299
Publikováno v:
Advanced Materials Research. :144-149
The helath condition of rotor has been greatly concerned in rotating machinery. But for the lack of information, it is very difficult to judge the actual conditon. Based on the fuzzy and grey characteristics between faults and symptoms, a new method
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ddc86bd39735f0bbe4cf91af301c1cbe
https://doi.org/10.4028/www.scientific.net/amr.171-172.144
https://doi.org/10.4028/www.scientific.net/amr.171-172.144
Publikováno v:
Acta Crystallographica Section E: Structure Reports
In the title compound, C(9)H(11)N(3)O, the crystal structure is stabilized by a bifurcated inter-molecular N-H⋯(N,O) hydrogen bond and a C-H⋯O inter-action, leading to chains of mol-ecules.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02794b1433fa037cac4bdc6d05cabf20
https://pubmed.ncbi.nlm.nih.gov/21201093
https://pubmed.ncbi.nlm.nih.gov/21201093
Publikováno v:
Acta Crystallographica Section E: Structure Reports
In the title compound, {[Cu(C(16)H(17)FN(3)O(3))(2)]·4H(2)O}(n), the Cu(II) atom is bonded to two O,O'-bidentate 1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-quinoline-3-carboxyl-ate (norf) monoanions and a symmetry-generated N-bonded norf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::2971cfa025a3924809c376f7bb4ed6e8
https://pubmed.ncbi.nlm.nih.gov/21201639
https://pubmed.ncbi.nlm.nih.gov/21201639
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 64:m1201-m1202
In the title compound, {[Cu(C16H17FN3O3)2]·4H2O} n , the CuII atom is bonded to two O,O′-bidentate 1-ethyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylate (norf) monoanions and a symmetry-generated N-bonded norf anion, resulti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a619644707226ee502f3c57a84b7b3d
https://doi.org/10.1107/s1600536808026469
https://doi.org/10.1107/s1600536808026469