نتایج جستجو برای: microbial growth

تعداد نتایج: 914869  

2012
Linna Ma Wenwen Huang Chengyuan Guo Renzhong Wang Chunwang Xiao

BACKGROUND Global climatic change is generally expected to stimulate net primary production, and consequently increase soil carbon (C) input. The enhanced C input together with potentially increased precipitation may affect soil microbial processes and plant growth. METHODOLOGY/PRINCIPAL FINDINGS To examine the effects of C and water additions on soil microbial properties and plant growth, we...

Journal: :nutrition and food sciences research 0
fatemeh riazi department of food science and technology, faculty of agriculture, university of urmia, urmia, iran fariba zeynali department of food science and technology, faculty of agriculture, university of urmia, urmia, iran ebrahim hoseini department of food science and technology, faculty of agriculture, university olom tahghighat, tehran, iran homa behmadi . agricultural engineering research institute, food engineering and post- harvest technology. res. dept, tehran, iran

background and objectives: with regard to the hazards of nitrite, application of natural preservatives in order to reduce the microbial load of meat and meat products is increasing. owing to their anti-bacterial properties, red barberry and the dried residue of red grape could be suitable replacers for nitrite. materials and methods: agar dilution method was employed in order to determine the m...

2015
Mangal Singh Ashutosh Awasthi Sumit K. Soni Rakshapal Singh Rajesh K. Verma Alok Kalra

An assessment of roles of rhizospheric microbial diversity in plant growth is helpful in understanding plant-microbe interactions. Using random combinations of rhizospheric bacterial species at different richness levels, we analysed the contribution of species richness, compositions, interactions and identity on soil microbial respiration and plant biomass. We showed that bacterial inoculation ...

Journal: :Applied and environmental microbiology 1997
I T Miettinen T Vartiainen P J Martikainen

The availability of organic carbon is considered the key factor to regulate microbial regrowth in drinking water network. However, boreal regions (northern Europe, Russia, and North America) contain a large amount of organic carbon in forests and peatlands. Therefore, natural waters (lakes, rivers, and groundwater) in the northern hemisphere generally have a high content of organic carbon. We f...

ژورنال: آبزیان زینتی 2023

In line with the growth of the aquaculture industry, the reproduction and cultivation of ornamental fish has developed significantly due to its high economic importance. One of the most important challenges in the aquaculture industry is the improvement of formulated diets to improve the growth efficiency, nutrition and immunity of fish. In recent years, many efforts have been made in connectio...

Journal: :Bacteriological reviews 1971
T D Brock

INTRODUCTION ........................................................... Commitment to Nature..................................................... What is Nature? ............................................................ POPULATION PROBLEMS .............................................. ASSESSMENT OF MICROBIAL NUMBERS OR MASS......................... DEFINING BOUNDARIES OF THE HABITAT .........

ژورنال: Medical Laboratory Journal 2014
Ghasemi khah, R, Parviz, M, Rezaei, M, Zarei, O,

Abstract Background and Objective: Ice cream is a suitable environment for microbial growth due to its chemical structure, ingredients, and its increased supply and demand. In the absence of hygienic considerations, it can cause poisoning. This study aimed to determine bacterial contamination in traditional ice cream produced in Arak city in 2011. Material and Methods: The samples (n= 30) were ...

رسولی, مهدی, محمودی, رزاق, کاظمی نیا, مسعود,

Background and purpose: Essential oils are volatile components of plants. Some essential oils with phenolic compounds have a strong antimicrobial properties. Probiotics are live microbial food supplements which beneficially affect host by improving its intestinal microbial balance, and they are well recognized as antimicrobial agents that compete with pathogenic bacteria and inhibit their growth...

2013
Xingguan Ma Jiao Wang Xiangxin Xue Yulan Tang Jinxiang Fu

Microbial fuel cell (MFC) mathematical model was established with suspended microorganisms, biomass on the electrode material, soluble chemical substrates and intermediary. By simulating the process of the substrate degradation, biomass growth and the electric current production process, With different initial biomass concentration, suspended microbial biomass and biomass attaching on electrode...

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