Micro-organisms in waterLongmans, Green, 1894 - 532 páginas |
Dentro del libro
Resultados 1-5 de 51
Página 7
... extended applica- tion and universal reputation which they now enjoy ; and it is by these methods that such brilliant results have been achieved in so short a period of time . Already in the year 1881 Koch observed that if a slice of ...
... extended applica- tion and universal reputation which they now enjoy ; and it is by these methods that such brilliant results have been achieved in so short a period of time . Already in the year 1881 Koch observed that if a slice of ...
Página 52
... extends over the whole under - surface of the cover - glass . After a few days the balsam has become hard , and after a few weeks extremely hard at the edges . This is called a permanent preparation , and the colour will remain for a ...
... extends over the whole under - surface of the cover - glass . After a few days the balsam has become hard , and after a few weeks extremely hard at the edges . This is called a permanent preparation , and the colour will remain for a ...
Página 58
... extend on to the under - side of the glass as well as on to the forceps . The staining is very simple , and may be effected by applying Ziehl's fuchsine solution to the surface of the preparation , and heating it once or twice for a ...
... extend on to the under - side of the glass as well as on to the forceps . The staining is very simple , and may be effected by applying Ziehl's fuchsine solution to the surface of the preparation , and heating it once or twice for a ...
Página 78
... extends ; a very accurate result may be thus obtained if the water has been well mixed with the gelatine in the first instance . The number of colonies found is then calculated on 1 c.c. of the original water . By using glass dishes 1 ...
... extends ; a very accurate result may be thus obtained if the water has been well mixed with the gelatine in the first instance . The number of colonies found is then calculated on 1 c.c. of the original water . By using glass dishes 1 ...
Página 113
... extended , examined samples taken from depths of 75 to 800 metres , at distances of 4 to 15 kilom . from the shore , and found from 6 to 78 microbes in 1 c.c. taken from the surface , and from 3 to 260 at various depths below . The ...
... extended , examined samples taken from depths of 75 to 800 metres , at distances of 4 to 15 kilom . from the shore , and found from 6 to 78 microbes in 1 c.c. taken from the surface , and from 3 to 260 at various depths below . 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