Extraction of MgCl<SUB>2</SUB> from Sea Water with Mixed Ionic Extractants
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Selective and Efficient Solvent Extraction of Copper(II) Ions from Chloride Solutions by Oxime Extractants
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آنزیم تریپسین در شرایط قلیایی ناپایدار می باشد .و فعالیت پروتئولیتیکی تریپسین منجربه خود هضمی آن در جایگاههای خاصی می گردد. بنابر این آنزیمی با ناپایداری بالا محسوب میگردد. در سالهای اخیر موفق شدند که با ایجاد تغیرات شیمیایی با اضافه کردن فلزات خاص ، کلسیم و یا عمل استیلاسیون منجر به افزایش پایداری آنزیم تریپسین گردند. مطالعات در حال حاضر نشان می دهد که تریپسین استیله شده فعالیت آنزیمی خود را ...
15 صفحه اولThe investigation of ionic association in the CdF2 solution with the mixed solvent (water +ethanol +propanol) at 25°C
Using the mixed solvents, (water +ethanol + propanol), the solubility of CdF2 was determined byevaporating method at 25° C. The results showed that the sollbility, s, of CdF2 decreases bydecreasing the dielectric constant of the mixed solvent .Once the solubility of CdF2 was determined,the concentration solubility product, Ksp(c)=4s3, was calculated .Furthermore ,by estimating the meanactivity ...
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ژورنال
عنوان ژورنال: Journal of the Japan Institute of Metals and Materials
سال: 1976
ISSN: 0021-4876,1880-6880
DOI: 10.2320/jinstmet1952.40.4_412