Reliability Analysis of Subsea Christmas Tree System Based on FFTA and FMEA
At present, most of the reliability analysis on subsea Christmas tree system only considers the influence of some typical fault modes on the system. Therefore, in the paper, the fuzzy fault tree analysis method(FFTA)and the fault mode and effect analysis
Liu Chao +4 more
doaj
\u3ci\u3eTomicus Piniperda\u3c/i\u3e (Coleoptera: Scolytidae) Reproduction and Behavior on Scotch Pine Christmas Trees Taken Indoors [PDF]
Tomicus piniperda, the pine shoot beetle, is an exotic insect that was first found in North America in 1992. A federal quarantine currently restricts movement of pine products, including Christmas trees, from infested to uninfested counties. We conducted
Haack, Robert A, Lawrence, Robert K
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Cultural- and traditional-ecological perspectives in Saami religion
The period of Christmas peace, established by the Hälsinge law, was a firmly established custom in the Nordic countries going back to the official Christmas celebrations laid down by the Catholic church at Tours in 867.
Phebe Fjellström
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Genetic Variation in Resistance of Scotch Pine to Zimmerman Pine Moth [PDF]
(excerpt) Scotch pine (Pinus sylvestris L.), a forest tree introduced from Eurasia, is commonly planted for Christmas tree and timber use in northeastern United States. In this country it has numerous insect enemies. Among the most important are European
Bright, John N +2 more
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Who is the East Slavic Karachun? (Word, Name, Character)
The paper explores the origin and semantics of the word karachun (korochun) having a vast specter of meanings in East Slavic languages (including Russian).
Elena L. Berezovich, Olesya D. Surikova
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Resistance of Scotch Pine Varieties to Zimmerman Pine Moth (Lepidoptera: Pyralidae) and Its Impact on Sales in a Choose and Cut Christmas Tree Plantation [PDF]
Nine varieties of Scotch pine, Pinus sylvestris, were assessed for their susceptibility to Zimmerman pine moth, Dioryctria zimmermani, in a choose and cut Christmas tree plantation.
Sadof, Clifford S
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Recent results of Czech-American fir hybridization research
Fraser fir (Abies fraseri) Christmas tree plantations in North Carolina are infested by root rot caused by Phytophthora cinnamomi. This disease kills almost 100% of Fraser fir material and leaves the soil permanently infested.
J. Kobliha +3 more
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When Christmas decoration goes hand in hand with bronchial aspiration …
We report the case of a 14-month-old girl suffering from cough and wheeze around Christmas. She was treated with anti-asthmatic drugs with no success, and 3 weeks later a chest X-ray revealed a LED bulb in the left main bronchus.
Ania Carsin +2 more
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Comparative Analysis of Installation Methods of 500 m Subsea Christmas Tree
At present, the common installation methods for subsea Christmas tree in China are drill pipe installation method and wire rope installation method. For the subsea Christmas tree with a water depth of 500 m and a weight of 70 t, the marine engineering ...
Zhang Weiguo, Li Yong, Jin Hao
doaj
Nocturnal Predation of Christmas Tree Worms by a Batwing Coral Crab at Bonaire (Southern Caribbean)
Christmas tree worms (Serpulidae: Spirobranchus) occur in shallow parts of coral reefs, where they live as associates of a large number of stony coral species [...]
Ellen Muller +4 more
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