A REVIEW ON OAK DECLINE: THE GLOBAL SITUATION, CAUSATIVE FACTORS, AND NEW RESEARCH APPROACHES



Translatability and translatable semigroups

The concept of a k-translatable groupoid is explored in depth.Some properties laguna 3hp dust collector of idempotent k-translatable groupoids, left cancellative k-translatable groupoids and left unitary k-translatablegroupoids are proved.Necessary and sufficient conditions are found for a left cancellative k-translatable groupoid to be a semigroup

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Report on the BIOMASS-oriented research at Syowa Station in 1982

The Japanese Antarctic Research Expedition (JARE) planned a three-year programme of shore-based research, "Marine biological production a&d ej-123 in the Antarctic coastal ecosystem", between 1982 (JARE-23) and 1984 (JARE-25).This research programme was a part of the international "Biological Investigations of Marine Antarctic Systems and Stocks (B

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