biological filters

См. также в других словарях:

• biological weapon — Introduction also called  germ weapon        any of a number of disease producing agents such as bacteria, viruses (virus), rickettsiae (rickettsia), fungi (fungus), toxins (toxin), or other biological agents that may be utilized as weapons… …   Universalium

• biological filtration — aquarium filters using bacteria to break down wastes via the nitrogen cycle, q.v., into materials less toxic to fish …   Dictionary of ichthyology

• Aquarium — An aquarium (plural aquariums or aquaria ) is a vivarium consisting of at least one transparent side in which water dwelling plants or animals are kept. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, marine mammals, and aquatic… …   Wikipedia

• Fishkeeping — is a popular hobby concerned with keeping fish in the home aquarium or garden pond. Types of fishkeeping The hobby can be broadly divided into three specific disciplines, freshwater, brackish, and marine (also called saltwater) fishkeeping.… …   Wikipedia

• Bio-load — An aquarium term, bio load is the nitrogen processing demand placed upon the material, chemical and biological filters by uneaten food, decomposing inhabitants, accumulated organics and waste produced by livestock, foods and plant matter in the… …   Wikipedia

• Natural pool — This German swimming pond highlights how NSPs can be designed to resemble a part of the surrounding environs …   Wikipedia

• Mycofiltration — is the process of using mushroom mycelium mats as biological filters. The term was coined by mycologist Paul Stamets. Stamets originally came up with the technique to control E. coli in the water outflow from his property. After planting a… …   Wikipedia

• Mycelium — Fungal mycelia Microscopic view …   Wikipedia

• Swimming pond — A swimming pond is a small body of water built for swimming and recreation. Biological filters keep the water clean, in contrast to the chemical disinfectants used to sanitize swimming pools …   Wikipedia

• zeolite — an ammonia removing, ion exchange resin used in freshwater aquaria. It also can act biologically and mechanically. Does not last long and must be regenerated by soaking in a strong salt solution for a day. Particularly useful for temporary… …   Dictionary of ichthyology

• micropore — /muy kreuh pawr , pohr /, n. a tiny opening, as in specialized biological filters or in the shells of some animals. [1880 85; MICRO + PORE2] * * * …   Universalium