Laboratory-induced spawning of the gastropod Gibbula cineraria as an indicator of field spawning
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چکیده
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nano-rods zno as an efficient catalyst for the synthesis of chromene phosphonates, direct amidation and formylation of amines
چکیده ندارد.
The Reproductive Biology and Spawning of Zebrafish in Laboratory Settings
There is growing demand for new, robust, and cost-effective ways to assess chemicals for their effect on human health, particularly during early development. Traditional mammalian models for toxicology are both expensive and difficult to work with during embryonic stages. The zebrafish (Danio rerio) has a number of features that make it an excellent alternativemodel for toxicology studies, incl...
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The spawning of the muricid gastropod Plicopurpura pansa in the laboratory at 22-23 degrees C is described. Females deposited 1-20 capsules daily for at least 20 weeks, and produced up to 150 capsules each per spawning season. During spawning, egg clusters were formed consisting of hundreds of capsules of different ages deposited by different females. Each egg capsule contained an average of 43...
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The demand for fish for food, recreation, and ornamental aquariums is steadily increasing. Natural fish populations have declined during the last several decades because of environmental degradation and over-fishing. This has resulted in an increased effort in the development of techniques for hatchery production of fish. Traditional aquaculture species such as trout, catfish, common carp, gold...
متن کاملSpawning Networks
16 he ability to rapidly create, deploy, and manage new network services in response to user demands presents a significant challenge to the research community and is a key factor driving the development of programmable networks. Results from this field of research are likely to have a broad impact on customers, service providers, and equipment vendors across a range of telecommunication sector...
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ژورنال
عنوان ژورنال: Marine Ecology Progress Series
سال: 1990
ISSN: 0171-8630,1616-1599
DOI: 10.3354/meps063303