Micro-organisms in waterLongmans, Green, 1894 - 532 páginas |
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Resultados 1-5 de 74
Página 10
... four hours in a cold place ( in hot weather it should be placed in a refrigerator ) ; the whole mass is then strained through linen , as much of the liquid being pressed through as possible , distilled water being added , if necessary ...
... four hours in a cold place ( in hot weather it should be placed in a refrigerator ) ; the whole mass is then strained through linen , as much of the liquid being pressed through as possible , distilled water being added , if necessary ...
Página 18
... four to thirty - six hours ( during which time it must be kept in a refrigerator ) , is then transferred by means of a sterilised pipette to either sterilised test - tubes , covered glass dishes , or culture flasks , as the case may be ...
... four to thirty - six hours ( during which time it must be kept in a refrigerator ) , is then transferred by means of a sterilised pipette to either sterilised test - tubes , covered glass dishes , or culture flasks , as the case may be ...
Página 22
... four hours organism ; B , slice of at 10 ° C. The liquid assumes a dirty brown colour , and after thus standing it is filtered , and the filtrate heated for half an hour in the steam steriliser and again filtered . To 400 grams of this ...
... four hours organism ; B , slice of at 10 ° C. The liquid assumes a dirty brown colour , and after thus standing it is filtered , and the filtrate heated for half an hour in the steam steriliser and again filtered . To 400 grams of this ...
Página 45
... Four to five c.c. of aniline ( the well - known oily substance manu- factured in such large quantities from the benzene of coal - tar , and which must not be used when it has assumed a brown colour through prolonged exposure to light ) ...
... Four to five c.c. of aniline ( the well - known oily substance manu- factured in such large quantities from the benzene of coal - tar , and which must not be used when it has assumed a brown colour through prolonged exposure to light ) ...
Página 46
... four to six weeks , and is best preserved in a tightly stoppered bottle in a dark cupboard . The intensity of the stain may be still . further increased by adding a solution ( 1 : 1,000 ) of caustic soda drop by drop , until the ...
... four to six weeks , and is best preserved in a tightly stoppered bottle in a dark cupboard . The intensity of the stain may be still . further increased by adding a solution ( 1 : 1,000 ) of caustic soda drop by drop , until the ...
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