indicator organism造句

例句与造句

1. Algae can be used as indicator organisms to monitor pollution in various aquatic systems.
2. Recent literature also questions the validity of testing for " indicator organisms " instead of pathogens.
3. Indicator organisms need not be pathogenic.
4. The number of viable helminth eggs is commonly used as an indicator organism to make a statement about the pathogen load in a fecal sludge sample.
5. Testing for pathogens using Polymerase Chain Reaction ( PCR ) instead of older culturing techniques, and changing the discredited fecal coloform " indicator organism " standard would be improvements.
6. It's difficult to find indicator organism in a sentence. 用indicator organism造句挺难的
7. When indicator organisms levels exceed pre-set triggers, specific analysis for pathogens may then be undertaken and these can be quickly detected ( where suspected ) using specific culture methods or molecular biology.
8. In particular, the number of viable Ascaris eggs is often taken as an indicator organism for all helminth eggs in treatment processes as they are very common in many parts of the world and relatively easy to identify under the microscope.
9. In the summer of 1976, Allen Skorepa, Arnold Norden & Donald Windler were granted a contract by the Power Plant Siting Program of the Maryland Department of Natural Resources to study the use of lichens as indicator organisms for the detection of pollutants.
10. Helminth eggs ( or ova ) are a good indicator organism to assess the safety of sanitation and reuse systems because they are the most environmentally resistant pathogens of all pathogens ( viruses, bacteria, protozoa and helminths ) and can in extreme cases survive for several years in soil.
11. Although the Dillo dirt is checked for a few " indicator organisms, " ( what would those be, exactly ? ) it may contain other bacteria . ( Think about it _ this stuff is made from dried sludge and the clippings thousands of city dwellers put at the curb .)
12. The American Academy of Pediatric Dentistry, in their Clinical Guideline for Infant Oral Healthcare, advises that " Caries results from an overgrowth of specific organisms that are part of normally occurring human oral flora . " Streptococcus mutans " and " Lactobacillus " species are considered to be principal indicator organisms of those bacteria responsible for caries.