Micro-organisms in waterLongmans, Green, 1894 - 532 páginas |
Dentro del libro
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Página 1
... liquid , and gaseous - which are used in bacteriological investigations . This sterilisa- 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 ...
... liquid , and gaseous - which are used in bacteriological investigations . This sterilisa- 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 ...
Página 4
... liquid which is not viscid of micro - organisms , it may be made to pass through cylinders constructed either of unglazed porcelain ( Chamberland ) or of baked infusorial earth ( Berkefeld ) . In the case of water , which for ...
... liquid which is not viscid of micro - organisms , it may be made to pass through cylinders constructed either of unglazed porcelain ( Chamberland ) or of baked infusorial earth ( Berkefeld ) . In the case of water , which for ...
Página 8
... liquid culture material , in area equal to that of the potato , was ex- posed to the air , Koch found that , although undoubtedly similar organisms gained access to the liquid as to the potato , yet their development proceeded in a very ...
... liquid culture material , in area equal to that of the potato , was ex- posed to the air , Koch found that , although undoubtedly similar organisms gained access to the liquid as to the potato , yet their development proceeded in a very ...
Página 10
... liquid being pressed through as possible , distilled water being added , if necessary , to restore its volume to a litre . To this clarified liquid are then added 100 grms . of French leaf gelatine , 10 grms . of dry peptone , and 5 ...
... liquid being pressed through as possible , distilled water being added , if necessary , to restore its volume to a litre . To this clarified liquid are then added 100 grms . of French leaf gelatine , 10 grms . of dry peptone , and 5 ...
Página 12
... liquid . The gelatine culture medium if properly made should look perfectly clear and nearly colourless in the test - tubes , and should only melt at a temperature of 25 ° C .; if this occurs at a lower temperature , then it shows that ...
... liquid . The gelatine culture medium if properly made should look perfectly clear and nearly colourless in the test - tubes , and should only melt at a temperature of 25 ° C .; if this occurs at a lower temperature , then it shows that ...
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