Micro-organisms in Water: Their Significance, Identification and RemovalLongmans, 1894 - 532 páginas |
Dentro del libro
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Página 36
... seen under the micro- scope . To facilitate this , ingenious contrivances have been introduced by Fodor1 and Unna.2 Of these instruments it is sufficient to say that Fodor's consists of a vertical , adjustable stand ( somewhat similar ...
... seen under the micro- scope . To facilitate this , ingenious contrivances have been introduced by Fodor1 and Unna.2 Of these instruments it is sufficient to say that Fodor's consists of a vertical , adjustable stand ( somewhat similar ...
Página 52
... clear spaces which have not taken up the stain are seen in the middle of the rod . Other causes may also contribute to this appearance . this purpose it is necessary to use a stronger dye 52 MICRO - ORGANISMS IN WATER.
... clear spaces which have not taken up the stain are seen in the middle of the rod . Other causes may also contribute to this appearance . this purpose it is necessary to use a stronger dye 52 MICRO - ORGANISMS IN WATER.
Página 56
... seen . Great care must also be taken not to overheat the cover - glass with the air - dried specimen in passing it through the flame ( see p . 51 ) ; it is best , in fact , to hold the cover - glass between the finger and thumb instead ...
... seen . Great care must also be taken not to overheat the cover - glass with the air - dried specimen in passing it through the flame ( see p . 51 ) ; it is best , in fact , to hold the cover - glass between the finger and thumb instead ...
Página 62
... seen at P ' , held in its place by metal bands a a a , to which a weight P from 2 to 3 kilograms is attached . The whole is suspended by means of a strong cord graduated in metres , yards , or feet by means of rings and knots . Running ...
... seen at P ' , held in its place by metal bands a a a , to which a weight P from 2 to 3 kilograms is attached . The whole is suspended by means of a strong cord graduated in metres , yards , or feet by means of rings and knots . Running ...
Página 90
... seen that it is during the summer months that these waters are purest as regards micro - organisms , this being due to the fact that during dry weather these rivers are mainly com- posed of spring water , whilst at other seasons they ...
... seen that it is during the summer months that these waters are purest as regards micro - organisms , this being due to the fact that during dry weather these rivers are mainly com- posed of spring water , whilst at other seasons they ...
Otras ediciones - Ver todas
Micro-Organisms in Water: Their Significance, Identification and Removal ... Percy Frankland Sin vista previa disponible - 2022 |
Términos y frases comunes
acid agar-agar AGAR-AGAR.-Forms aniline Bakterien becomes Beggiatoa bottom bouillon broth c.c. of water cent centre Chemnitz cholera bacilli circular cocci colour containing cover-glass Crown 8vo cubic centimetre Cultures depth colonies diplococci distilled water examined experiments filter beds filtered water filtration flasks flocculent forms Found.-In GELATINE PLATES GELATINE PLATES.-Forms GELATINE TUBES.-Forms granular greyish grows growth Illustrations incubator inoculated insolation investigations irregular large number later lime liquefaction liquefaction takes place LIQUEFIES GELATINE Authority liquid low power method microbes Microscopic Appearance motile needle's path number of bacteria number of micro-organisms obtained organisms Ourcq pathogenic pellicle peptone Percy Frankland periphery potato produced resembling river River Thames rounded ends samples sewage shining solution spirilla spirillum stain sterile sterilised surface colonies temperature tetanus Thames water threads tion tubes turbid typhoid bacillus Ueber unfiltered water unsterilised visible whilst white expansion yellow yellowish Zeitschrift für Hygiene
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