domestic sewage
31Rapid City, South Dakota — City of Rapid City   City   Downtown Rapid City …
32Water softening — A water softener reduces the dissolved calcium, magnesium, and to some degree manganese and ferrous iron ion concentration in hard water.These hardness ions cause three major kinds of undesired effects. Most visibly, metal ions react with soaps… …
33Tube cleaning — The process of tube cleaning describes the activity of, or device for, the cleaning and maintenance of fouled tubes. The need for cleaning arises because the that is transported through the tubes may cause deposits and finally even obstructions.… …
34Biogenic sulfide corrosion — is a bacterially mediated process of forming hydrogen sulfide gas and the subsequent conversion to sulfuric acid that attacks concrete and steel within wastewater environments. The hydrogen sulfide gas is oxidized in the presence of moisture to… …
35Coral Reefs: The Forgotten Rain Forests of the Sea — ▪ 1998 by Clive R. Wilkinson Because they harbour great concentrations of biodiversity, coral reefs have been called the rain forests of the sea. With hundreds of species of corals and fishes frequently found on a single reef, metre for… …
36septic tank — noun a) A small scale watertight treatment system for domestic sewage in which the flow is slowed to allow sedimentation and sludge digestion by bacteria to take place …
37Cleansing Service Group — is a privately owned waste management company in the United Kingdom. Cleansing Service Group provides services in the collection, treatment, recycling and disposal of numerous [1] waste streams from 20 locations throughout the UK. [2] Cleansing… …
38коммунально-бытовые сточные воды — хозяйственно бытовые сточные воды — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом Синонимы хозяйственно бытовые сточные воды EN domestic sewage …
39Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
40Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …
