Effect of pH on Sporulation of Bacillus Stearothermophilus
نویسندگان
چکیده
منابع مشابه
Effect of pH on sporulation of Bacillus stearothermophilus.
An improved broth medium was developed for high growth yields of Bacillus subtilis var. niger NCIB 8649, Bacillus cereus NCIB 9373, and Bacillus stearothermophilus NCIB 8919 and ATCC 7953. Sporulation was abundant (1.1 times 10-8 B. subtilis var. niger and 9.2 times 10-7 B. cereus per ml) at an initial pH of 7.0. Sporulation of both strains of B. stearothermophilus took place (1.9 times 10-7 an...
متن کاملSporulation of Bacillus stearothermophilus.
A broth medium containing tryptone and manganese sulfate supported heavy sporulation of Bacillus stearothermophilus ATCC 7953 (NCA 1518) and four isolates identified as B. stearothermophilus. Maximal spore yields were obtained by use of inocula grown anaerobically in a medium containing glucose with aeration of sporulation medium via bubbling. After an extended stationary period, sporulation oc...
متن کاملeffect of oral presentation on development of l2 learners grammar
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولthe effect of explicit teaching of metacognitive vocabulary learning strategies on recall and retention of idioms
چکیده ندارد.
15 صفحه اولthe effect of consciousness raising of sociolinguistic skills on speaking ability of iranian efl learners
abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...
ذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Applied Microbiology
سال: 1975
ISSN: 0003-6919
DOI: 10.1128/aem.30.1.1-3.1975