Micro-organisms in Water: Their Significance, Identification and RemovalLongmans, 1894 - 532 páginas |
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Página 1
... tion , as it is called , may be accomplished in various ways ( 1 ) by moist heat ; ( 2 ) by dry heat ; ( 3 ) by chemical means ; whilst liquid and gaseous substances may in addition be sterilised by ( 4 ) filtration . 6 ( 1 ) Steam or ...
... tion , as it is called , may be accomplished in various ways ( 1 ) by moist heat ; ( 2 ) by dry heat ; ( 3 ) by chemical means ; whilst liquid and gaseous substances may in addition be sterilised by ( 4 ) filtration . 6 ( 1 ) Steam or ...
Página 3
... tion of a number of substances , such as sugars , albuminoids , urea , & c . , a tempera- ture above 100 ° C. is inapplicable in con- sequence of the chemi- S E A M In the case of some materials , such as milk , it may be necessary ...
... tion of a number of substances , such as sugars , albuminoids , urea , & c . , a tempera- ture above 100 ° C. is inapplicable in con- sequence of the chemi- S E A M In the case of some materials , such as milk , it may be necessary ...
Página 6
... tion purposes the risk is incurred of traces of such disinfectants escaping removal , and so destroying the organisms under investigation , along with those foreign forms which it was desired to eliminate , extreme caution must be ...
... tion purposes the risk is incurred of traces of such disinfectants escaping removal , and so destroying the organisms under investigation , along with those foreign forms which it was desired to eliminate , extreme caution must be ...
Página 7
... tion of micro - organisms ; for although such media had been used previously , it is the particular methods of employing them devised by Koch which have secured for these solid culture materials the extended applica- tion and universal ...
... tion of micro - organisms ; for although such media had been used previously , it is the particular methods of employing them devised by Koch which have secured for these solid culture materials the extended applica- tion and universal ...
Página 9
... tion of the various bacteriological processes too much . emphasis may appear to have been laid upon the dangers arising from contamination through imper- fectly sterilised vessels & c . , the student must re- member that by neglecting ...
... tion of the various bacteriological processes too much . emphasis may appear to have been laid upon the dangers arising from contamination through imper- fectly sterilised vessels & c . , the student must re- member that by neglecting ...
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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