Micro-organisms in Water: Their Significance, Identification and RemovalLongmans, 1894 - 532 páginas |
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Página 35
... colonies ( see p . 40 ) . Whichever of the above methods has been adopted , the colonies , as soon as they have sufficiently developed , are in the first instance examined under the microscope to ascertain what characteristic ...
... colonies ( see p . 40 ) . Whichever of the above methods has been adopted , the colonies , as soon as they have sufficiently developed , are in the first instance examined under the microscope to ascertain what characteristic ...
Página 36
... colonies . can be brought into the microscopic field . Each colony , if it has had space to develop freely , is almost invariably a pure culture , so that by removing a portion of any particular one by means of a sterile platinum ...
... colonies . can be brought into the microscopic field . Each colony , if it has had space to develop freely , is almost invariably a pure culture , so that by removing a portion of any particular one by means of a sterile platinum ...
Página 64
... colonies obtained perc.c. of water • 475 · 1,140 0.01008 0.02016 99 2,976 99 2,486 0-03024 99 99 1,612 0.05040 . 1,302 0.07560 748 99 0.10080 348 0.15120 99 216 0.20160 74 0.30240 0 99 " " This table shows clearly the effect on the ...
... colonies obtained perc.c. of water • 475 · 1,140 0.01008 0.02016 99 2,976 99 2,486 0-03024 99 99 1,612 0.05040 . 1,302 0.07560 748 99 0.10080 348 0.15120 99 216 0.20160 74 0.30240 0 99 " " This table shows clearly the effect on the ...
Página 70
... colonies per c.c. Sterilised wort yielded about 5'4 colonies per c.c. ( Moulds . ) Liquid ( Bacteria and moulds . ) cultures Sterilised beer yielded about 0-8 colonies per c.c. Water No. 2 ( Moulds . ) Plate Gelatine - peptone yielded ...
... colonies per c.c. Sterilised wort yielded about 5'4 colonies per c.c. ( Moulds . ) Liquid ( Bacteria and moulds . ) cultures Sterilised beer yielded about 0-8 colonies per c.c. Water No. 2 ( Moulds . ) Plate Gelatine - peptone yielded ...
Página 76
... colonies on the gelatine - plates with a low power under the microscope ( see p . 35 ) and inoculating particular colonies into gelatine - tubes & c . , recourse must be had to the special methods described on pp . 267 , 276 , when ...
... colonies on the gelatine - plates with a low power under the microscope ( see p . 35 ) and inoculating particular colonies into gelatine - tubes & c . , recourse must be had to the special methods described on pp . 267 , 276 , when ...
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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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