منابع مشابه
the washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests
در این پایان نامه تاثیر دو نوع تست جزیی نگر و کلی نگر بر به یادسپاری محتوا ارزیابی شده که نتایج نشان دهندهکارایی تستهای کلی نگر بیشتر از سایر آزمونها است
15 صفحه اولIMMOBILIZATION OF MICROBIAL CELLS FOR THE PRODUCTION OF ORGANIC ACIDS
Techniques of immobilization of microbial- cells have been established by multifunctional reagents such as glutaraldehyed on a solid support. Immobilized cell reactor was designed to demonstrate stability of cross linking of whole cells for the production of organic acids. An eighty-six percent conversion of glucose was obtained for an eight hour retention time. The immobilized cell reacto...
متن کاملThe effect of silver nanoparticles on the taste feeding behavior of Acipenser persicus to some Amino acids
The aim of this study was to evaluate the effects of silver nanoparticles (AgNPs) on taste feeding behavior of Persian sturgeon (Acipenser persicus) juveniles, including taste palatability index, fishing efficiency and the number of consumed pellets, to some amino acids. Taste Feeding behavior was investigated following exposure to 0.01, 0.005 and 0.001 mg L-1 AgNPs for 21 (each group with 3 re...
متن کاملSweet taste in apple: the role of sorbitol, individual sugars, organic acids and volatile compounds
Sweetness is one of the main drivers of consumer preference, and thus is given high priority in apple breeding programmes. Due to the complexity of sweetness evaluation, soluble solid content (SSC) is commonly used as an estimation of this trait. Nevertheless, it has been demonstrated that SSC and sweet taste are poorly correlated. Though individual sugar content may vary greatly between and wi...
متن کاملEffects of pH adjustment and sodium ions on sour taste intensity of organic acids.
Protonated organic acid species have been shown to be the primary stimuli responsible for sour taste of organic acids. However, we have observed that sour taste may be modulated when the pH of acid solutions is raised using sodium hydroxide. Objectives were to evaluate the effect of pH adjustment on sour taste of equimolar protonated organic acid solutions and to investigate the potential roles...
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ژورنال
عنوان ژورنال: NIPPON SHOKUHIN KOGYO GAKKAISHI
سال: 1969
ISSN: 0029-0394
DOI: 10.3136/nskkk1962.16.63