Results 21 to 30 of about 246,799 (231)

Reliability Analysis of Subsea Christmas Tree System Based on FFTA and FMEA

open access: yesShiyou jixie, 2022
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]

open access: yes, 2017
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
core   +2 more sources

Cultural- and traditional-ecological perspectives in Saami religion

open access: yesScripta Instituti Donneriani Aboensis, 1987
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
doaj   +1 more source

Genetic Variation in Resistance of Scotch Pine to Zimmerman Pine Moth [PDF]

open access: yes, 2017
(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
core   +2 more sources

Who is the East Slavic Karachun? (Word, Name, Character)

open access: yesВопросы ономастики, 2023
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
doaj   +1 more source

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]

open access: yes, 2017
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
core   +3 more sources

Recent results of Czech-American fir hybridization research

open access: yesJournal of Forest Science, 2013
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
doaj   +1 more source

When Christmas decoration goes hand in hand with bronchial aspiration …

open access: yesRespiratory Medicine Case Reports, 2017
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
doaj   +1 more source

Comparative Analysis of Installation Methods of 500 m Subsea Christmas Tree

open access: yesShiyou jixie, 2020
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)

open access: yesDiversity, 2020
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
doaj   +1 more source

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