biological disinfection
11plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …
12Infection control — is the discipline concerned with preventing nosocomial or healthcare associated infection, a practical (rather than academic) sub discipline of epidemiology. It is an essential, though often under recognized and under supported, part of the… …
13Glossary 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… …
14Ignaz Semmelweis — Dr. Ignaz Semmelweis, aged 42 in 1860 pen sketch by Jenő Dopy …
15Drinking water — Tap water Drinking water or potable water is water pure enough to be consumed or used with low risk of immediate or long term harm. In most developed countries, the water supplied to households, commerce and industry is all of drinking water… …
16Organic matter — Other meanings can be found at Biological material Organic matter (or organic material, Natural Organic Matter, or NOM) is matter that has come from a once living organism; is capable of decay, or the product of decay; or is composed of organic… …
17Benzalkonium chloride — IUPAC name benzyl dimethyl tridecyl azanium chloride …
18Reverse osmosis — Schematics of a reverse osmosis system (desalination) using a pressure exchanger. 1: Sea water inflow, 2: Fresh water …
19Sterilization (microbiology) — Sterilization (or sterilisation, see spelling differences) refers to any process that effectively kills or eliminates transmissible agents (such as fungi, bacteria, viruses, spore forms, etc.) from a surface, equipment, article of food or… …
20Membrane bioreactor — (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant sizes up to 80,000 population… …
