Micro-organisms in waterLongmans, Green, 1894 - 532 páginas |
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Página 2
... temperature does not actually ensure sterility . Tyndall's plan is to submit substances . to a high temperature for a short time on three to five successive days , and in the preparation of culture media containing gelatine this ...
... temperature does not actually ensure sterility . Tyndall's plan is to submit substances . to a high temperature for a short time on three to five successive days , and in the preparation of culture media containing gelatine this ...
Página 4
... temperature can be kept under strict control . This is of course of importance in the case of some substances , such as milk , where it is desired that a particular temperature should not be ex- ceeded . Test tubes , pipettes , glass ...
... temperature can be kept under strict control . This is of course of importance in the case of some substances , such as milk , where it is desired that a particular temperature should not be ex- ceeded . Test tubes , pipettes , glass ...
Página 11
... temperature of from 140 ° to 160 ° in the oven for from two to three hours . The cotton - wool used should be sterilised before plugging the tubes by exposure to the same temperature in the hot - air oven for two or three hours , until ...
... temperature of from 140 ° to 160 ° in the oven for from two to three hours . The cotton - wool used should be sterilised before plugging the tubes by exposure to the same temperature in the hot - air oven for two or three hours , until ...
Página 12
... temperature of 25 ° C .; if this occurs at a lower temperature , then it shows that the gelatine has been overheated in the preparation . Glycerin - gelatine peptone . - It is of course possible to vary the composition of this gelatine ...
... temperature of 25 ° C .; if this occurs at a lower temperature , then it shows that the gelatine has been overheated in the preparation . Glycerin - gelatine peptone . - It is of course possible to vary the composition of this gelatine ...
Página 14
... temperature jelly . - The discovery was made by Globig of some organisms which apparently would not grow at a temperature below 50 ° C. , and Miquel has devised a culture medium which will re- main solid at this high temperature . For ...
... temperature jelly . - The discovery was made by Globig of some organisms which apparently would not grow at a temperature below 50 ° C. , and Miquel has devised a culture medium which will re- main solid at this high temperature . For ...
Términos y frases comunes
acid AGAR-AGAR AGAR-AGAR.-Forms aniline Bakterien becomes Beggiatoa bouillon broth c.c. of water cent centre Chemnitz cholera bacilli circular cocci colour containing cover-glass Crown 8vo cubic centimetre culture depth colonies diplococci distilled water examined exhibit experiments filter beds filtered water filtration flasks flocculent forms Found.-In GELATINE PLATES GELATINE PLATES.-Forms GELATINE TUBES granular greyish grows growth 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 present produced resembling river River Thames rounded ends samples sewage shining smooth-rimmed solution spirilla spirillum stain sterile sterilised surface colonies temperature tetanus Thames water threads tion turbid typhoid bacillus Ueber unfiltered water unsterilised visible Wassers whilst white expansion yellow yellowish Zeitschrift für Hygiene