نتایج جستجو برای: enzymatic activity of soil

تعداد نتایج: 21260003  

Journal: :International Journal of Current Microbiology and Applied Sciences 2018

2017
Miquel A. Gonzalez-Meler Lais B. C. Silva Eduardo Dias-De-Oliveira Charles E. Flower Carlos A. Martinez

Warming due to global climate change is predicted to reach 2°C in tropical latitudes. There is an alarming paucity of information regarding the effects of air temperature on tropical agroecosystems, including foraging pastures. Here, we investigated the effects of a 2°C increase in air temperature over ambient for 30 days on an established tropical pasture (Ribeirão Preto, São Paulo, Brazil) do...

2005
J. Wyszkowska

The effect of chromium (VI) on the activity of dehydrogenases, urease, acid and alkaline phosphatases and the yield of lupine was assayed in a pot experiment. Chromium was applied as K2Cr2O7 in the amounts of 0, 10, 20, 30, 40, 50, 100 and 150 in mg · kg of soil. The tests were conducted on brown leached soil from slightly dusty clay sand of pH in 1 M KCl 5.80. Soil was inoculated with nitragin...

2012
D. S. Karam A. Arifin O. Radziah J. Shamshuddin N. M. Majid A. H. Hazandy I. Zahari A. H. Nor Halizah T. X. Rui

Deforestation leads to the deterioration of soil fertility which occurs rapidly under tropical climates. Forest rehabilitation is one of the approaches to restore soil fertility and increase the productivity of degraded areas. The objective of this study was to evaluate and compare soil biological properties under enrichment planting and secondary forests at Tapah Hill Forest Reserve, Perak aft...

Journal: :Annals of clinical and laboratory science 1973
M M Lubran

Introd u ction Clinical chemistry, for decades restricted to a limited number of chemical tests, has, in recent years, through an increasing awareness of the value of the laboratory investigation of disease, and the introduc­ tion of automation and sophisticated instru­ mentation, expanded its field of operations to include a bewildering variety of tests. Advances in biochemical knowledge have ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم بهزیستی و توانبخشی - دانشکده توانبخشی 1393

abstract objectives gradual increase length and complexity of utterance (gilcu) therapy method is a form of operant conditioning. this type of treatment is very precise and controlled that is done in 54 steps in 3 speech situations consisted of monologue, reading and conversation. this study aimed to examine the effects of gilcu treatment method on reduction of speech dysfluency of school-age...

Journal: :jundishapur journal of microbiology 0
nand kumar singh department of biotechnology, motilal nehru national institute of technology, allahabad, india; motilal nehru national institute of technology, allahabad u.p. 211004, india. tel: +91-05322271200, fax: +91-05322271200 dharmendra kumar joshi department of biotechnology, motilal nehru national institute of technology, allahabad, india raj kishor gupta department of biotechnology, motilal nehru national institute of technology, allahabad, india

conclusions the present study suggests that the enzyme obtained from strain b. subtilis can be used as feed supplement in animal diet also for reduction of phosphorus pollution problem in areas of livestock production. materials and methods the present study was conducted in biotechnology laboratory, motilal nehru national institute of technology, allahabad, uttar pradesh, india. to isolate phy...

Journal: :jundishapur journal of microbiology 0
gholamhossein ebrahimipour department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran hossein sadeghi department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran; corresponding author: hossein sadeghi, tehran, ir iran.tel.: +98-2129902706, fax: +98-2122431664, e-mail: zahra khosravi babadi department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran soleiman amiri department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran

conclusions in this study, we isolated b. licheniformis producing an organic solvent-stable protease from oil-contaminated soil. the protease was stable and active in various organic solvents. by purification, the protease could be used as a biocatalyst for organic solvent-based enzymatic synthesis. results according to 16srdna sequencing, strain isa9 was identified as a new strain of bacillus ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1389

abstract: since sugar consumption is directly related to diabetes and other illnesses such as obesity, the issue that will most heavily dominate the health food market is blood sugar management and low glycemic foods. using calcium chloride and gums such as sodium alginate and low ester pectin as thikener and a high-potency sweetener aspartame we were able to reduce sugar content of sour cherry...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و علوم انسانی 1388

the purpose of this study was to investigate how english language teachers in mashhad who teach students in the pre-university cycle perceived the impact of the efltee on their teaching. the target population was nearly all pre-university english language teachers in seven districts of mashhad in the scholastic year 2008/2009. a survey questionnaire which consisted of (36) likert type items, wa...

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