Search Results - "Zhukovskaia, S A"
-
1
Calculation of a single and of subsequent extraction-reextraction cycles
Published in Antibiotiki i khimioterapiia = Antibiotics and chemoterapy [sic] (01-01-1988)“…Estimation of the equilibrium distribution in the organic solvent-water system provided analysis of efficiency and optimal arrangement of subsequent…”
Get more information
Journal Article -
2
Separation of emulsions during extraction of antibiotics from native solutions
Published in Antibiotiki i meditsinskaia biotekhnologiia = Antibiotics and medical biotechnology (01-05-1987)“…The separating capacity of a laboratory cup centrifuge and industrial centrifugal separator was compared. It was shown that the process of emulsion centrifugal…”
Get more information
Journal Article -
3
Flocculant interaction with native antibiotic solutions. The effect of flocculants on the quality indices of native solutions as dependent on a number of factors
Published in Antibiotiki (01-04-1978)“…Flocculants had a significant effect on the characteristics of the fermentation broth filtrates of some antibiotics. They decreased the filtrate turbidity,…”
Get more information
Journal Article -
4
Flocculant interaction with native antibiotic solutions. An examination of the mechanism of the process
Published in Antibiotiki (01-02-1978)“…Some characteristics of the fermentation broth filtrates, i.e. concentration of the disperse particles and some of their parameters (projected length, area,…”
Get more information
Journal Article -
5
Effect of tetracycline base crystallization on the conditions properties of the powders and drug forms obtained. The development of directed crystallization procedures for tetracycline base
Published in Antibiotiki (01-08-1977)“…The study of the process of tetracycline base crystallization showed that with an increase in the rate of pH, temperature and mixed rotation changes, the…”
Get more information
Journal Article -
6
Use of a rotation chart for studying the flocculation of admixtures in native solutions
Published in Antibiotiki (01-03-1976)“…The process of admixture flocculation in fermentation broth filtrates of penicillin was studied experimentally according to the schemes of rotatabel planning…”
Get more information
Journal Article -
7
Purification of antibiotic solutions of finely dispersed admixtures
Published in Antibiotiki (01-03-1976)“…A possibility of complete separation of fine disperse admixtures from antibiotic fermentation broth filtrates by filtration with the use of special additives…”
Get more information
Journal Article -
8
Use of auxilliary filtration materials in separating coagulated admixtures from native solutions of tetracycline antibiotics
Published in Antibiotiki (01-01-1976)Get more information
Journal Article -
9
Effect of the degree of dilution of the antibiotic fermentation broths on the filtration indices
Published in Antibiotiki (01-06-1975)“…Dilution of the fermentation broths with water before the mycelium separation lowered the specific cake resistance. The effect of the dilution on the…”
Get more information
Journal Article -
10
Study of the effect of the oxytetracycline crystallization conditions on the process indices
Published in Antibiotiki (01-06-1975)“…Such factors as the rate of the changes in pH, temperature, mixer speed and the nature of the anions present in the solution has a significant effect on the…”
Get more information
Journal Article -
11
Study of the effect of certain factors on the process of tetracycline antibiotic crystallization
Published in Antibiotiki (01-05-1975)“…Since such factors as temperature and time of the process had a significant effect on the residual activity of the mother solution during crystallization of…”
Get more information
Journal Article -
12
Determination of the filtration characteristics of the fermentation broths of antibiotic producers
Published in Antibiotiki (01-03-1975)“…Main filtration characteristics of the fermentation broths are necessary for estimation of the filtration equipment, rational choice of the filtering…”
Get more information
Journal Article -
13
Study of oxytetracycline solubility in an aqueous medium
Published in Antibiotiki (01-01-1975)“…Solubility of oxytetracycline dihydrate in aqueous media was studied. It was shown that solubility of the drug in bidistillate at a temperature of 20 degrees…”
Get more information
Journal Article -
14
Study of the flocculation effectiveness of water-soluble polyelectrolytes in the processing of native solutions of antiotics
Published in Antibiotiki (01-08-1974)Get more information
Journal Article -
15
Mathematical model of removal of impurities from antibiotic pastes
Published in Antibiotiki i meditsinskaia biotekhnologiia = Antibiotics and medical biotechnology (01-05-1987)“…The process of antibiotic paste washing by repulpation in a solvent, as well as the process of replacing washing of antibiotic filter cakes was studied. This…”
Get more information
Journal Article -
16
Elimination of admixtures from antibiotic sediments during their treatment with solvents
Published in Antibiotiki (01-12-1984)“…A model for determination of the admixture concentration in the secondary mother solution was developed. The concentration was determined depending on the…”
Get more information
Journal Article -
17
Stability of rifamycin B in aqueous solutions
Published in Antibiotiki (01-07-1983)“…Stability of rifamycin B in aqueous solutions at various values of pH and temperature was studied. It was shown that inactivation of the antibiotic in neutral…”
Get more information
Journal Article -
18
-
19
Effect of different factors on the rate of benzylpenicillin conversion in an aqueous system-butylacetate system
Published in Antibiotiki (01-03-1976)“…It was shown that the mass-transfer coefficient of non-dissociated benzylpenicillin during extraction was more than 1000 times higher than that during…”
Get more information
Journal Article -
20
Equilibrium conditions and the effect of the pH level of the solution on the extractive purification of erythromycin
Published in Antibiotiki (01-03-1975)Get more information
Journal Article