The action of dilute acids upon bacterial growth in optimum hydrogenion concentration.
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Determination of optimum concentration of Diuron for the growth and bloom of the algae (Scenedesmus obliquus) in in Vitro condition
Growth rate of the green algae, Scenedesmus obliquus, influenced by Diuron, with the trade name of (Karmex) and chemical name of (N'-(3,4-Dichlorophenyl)-N,N-Dimethylurea), was examined in the present study. This study is performed in the laboratory of National Inland Waters Aquaculture Institute in Iran during 96 hours in 6 treatment and 3 replicates, using 500 cc Erlenmeyer Flasks. Measuremen...
متن کاملDetermination of optimum concentration of Diuron for the growth and bloom of the algae (Scenedesmus obliquus) in in Vitro condition
Growth rate of the green algae, Scenedesmus obliquus, influenced by Diuron, with the trade name of (Karmex) and chemical name of (N'-(3,4-Dichlorophenyl)-N,N-Dimethylurea), was examined in the present study. This study is performed in the laboratory of National Inland Waters Aquaculture Institute in Iran during 96 hours in 6 treatment and 3 replicates, using 500 cc Erlenmeyer Flasks. Measuremen...
متن کاملThe Optimum Hydrogen Ion Concentration for the Growth of Pneumococcus
1. The optimum hydrogen ion concentration for the growth of the various types of pneumococcus is a pH of about 7.8. 2. The limiting hydrogen ion concentrations for the growth of pneumococcus are a pH of 7.0 and a pH of 8.3. 3. Phosphates used in adjusting reactions of media retard growth if present in a concentration greater than 0.1 molecular. 4. Culture media for pneumococci should, therefore...
متن کاملThe Rôle of Dilute Acids in Infection
is exhorted to focus attention on the beginnings of disease. This changing frame of mind makes exhausting demands upon the methods available for such observations. Progress has to wait for the provision of efficient technique. Hurry spells wasted effort ; for he who examines in detail the technics of the day or visits the "midden heaps" of abandoned processes and discarded data soon understands...
متن کاملBacterial growth on aminoalkylphosphonic acids.
Harkness, Donald R. (University of Miami School of Medicine, Miami, Fla.). Bacterial growth on aminoalkylphosphonic acids. J. Bacteriol. 92:623-627. 1966.-Of 10 bacterial strains tested, 9 were found to be able to utilize the phosphorus of at least one of eight different aminoalkylphosphonic acids for growth, indicating that the ability to catabolize the carbon-phosphorus (C-P) bond is widespre...
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ژورنال
عنوان ژورنال: The Journal of Pathology and Bacteriology
سال: 1922
ISSN: 0368-3494,1555-2039
DOI: 10.1002/path.1700250103