نتایج جستجو برای: aquarium and...)
تعداد نتایج: 16827435 فیلتر نتایج به سال:
Freshwater aquarium plants are one of the most popular components in freshwater aquariums. The aquarium plant trade is a lucrative trade in its producer countries. In fact, the aquarium is a closed and controlled environment that coordination between all its components is necessary to maintain the balance and stability of this small ecosystem. They beautify the interior of the aquarium, moreove...
An aquarium ecosystem is home to many animal species providing conditions similar to native aquatic habitats but under highly controlled management. With a growing interest in understanding the interaction of microbiomes and resident animal health within aquarium environments, we undertook a metagenomic survey of viromes in seven aquarium systems with differing physicochemical and resident anim...
Undoubtedly having lush and interesting plants in the aquarium, in addition to beauty, has a favorable effect on fish. These plants, in addition to create beauty in the aquarium space, provide an environment close to the natural habitat of ornamental fish. The benefits of using aquatic plants in the aquarium include adjusting the water hardness and pH, increasing the dissolved oxygen in the wat...
Expert systems prove to be suitable replacement for human experts when human experts are unavailable for different reasons. Various expert system has been developed for wide range of application. Although some expert systems in the field of fishery and aquaculture has been developed but a system that aids user in process of selecting a new addition to their aquarium tank never been designed. Th...
In recent years, with the rapid development of ornamental fisheries and recreational fisheries, different varieties of ornamental fish have come into many office business palaces and people’s house. The Aquarium and many other aquarium equipment are developing from functionality to intelligentize. Through the industry research, a set of remote automation monitoring and control equipment for the...
In this article, it tries to highlight the importance of the ornamental fish species industry in the world and Iran. It implicates the gene transfer method being able to produce aquarium fish species possessing special characteristics. Then, a variety of genes and promoters which can create colorful aquarium fish are defined. Finally, we recommend that researchers use the gene transfer biotechn...
Zoanthids (Anthozoa, Hexacorallia) are colonial anemones that contain one of the deadliest toxins ever discovered, palytoxin (LD(50) in mice 300 ng/kg), but it is generally believed that highly toxic species are not sold in the home aquarium trade. We previously showed that an unintentionally introduced zoanthid in a home aquarium contained high concentrations of palytoxin and was likely respon...
Trotz seiner großen Verbreitung in den Lebenswissenschaften wurde dem Aquarium bisher wenig wissenschaftsund technikhistorische Aufmerksamkeit zuteil. Dies ist nicht zuletzt durch den Umstand begründet, dass das Aquarium und seine Geschichte bisher größtenteils als außerwissenschaftlich aufgefasst wurden. Dabei spielen so unterschiedliche Kontexte wie Akklimatisierung, Amateurnaturkunde und bür...
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