نتایج جستجو برای: apparent density

تعداد نتایج: 514111  

Journal: :International Journal of Health Geographics 2007
Jorge Cano Miguel Angel Descalzo Nicolas Ndong-Mabale Pedro Ndongo-Asumu Leonardo Bobuakasi Jesús N Buatiché Sisinio Nzambo-Ondo Melchor Ondo-Esono Agustin Benito Jesus Roche

BACKGROUND Human African Trypanosomiasis is a vector-borne parasitic disease. The geographical distribution of the disease is linked to the spatial distribution of the tsetse fly. As part of a control campaign using traps, the spatial and temporal variability is analysed of the glossina populations present in the Mbini sleeping sickness foci (Equatorial Guinea). RESULTS A significant drop in ...

Journal: :Applied and environmental microbiology 1987
G M Maxwell E R Allen E Freese

A common technique of measuring population density of microorganisms grown in liquid media is to withdraw a sample of the suspension and measure its apparent optical density with a spectrophotometer. The device we describe is capable of continually and automatically monitoring the population density of microorganisms grown in suspension.

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