Zobrazeno 1 - 10
of 143
pro vyhledávání: '"L. Boyadzhiev"'
Publikováno v:
Българска кардиология, Vol 28, Iss 2, Pp 116-122 (2022)
Right-sided endocarditis, and endocarditis of the tricuspid valve in particular, is a relatively uncommon condition, encountered in approximately 5 to 10 percent of all cases of infectious endocarditis (IE). The recent increase in the prevalence of r
Externí odkaz:
https://doaj.org/article/b55815786ac24720a8a1b9b17887cdca
Publikováno v:
The Open Chemical Engineering Journal. 10:4-9
The methods for producing natural resveratrol are of big interest because of the many health benefits of this substance and its increasing use in functional foods, food supplements and para-pharmaceutical preparations. Generally, resveratrol is extra
Autor:
Igor V. Puzynin, T. L. Boyadzhiev, E. V. Zemlyanaya, Ochbadrakh Chuluunbaatar, T. P. Puzynina, S. I. Vinitskii
Publikováno v:
Physics of Particles and Nuclei. 38:70-116
Methods of computational physics developed at JINR for investigation of models of complex physical processes in different fields of theoretical physics are considered. A general mathematical formulation of equations for the models under study is give
Autor:
Valentina Dimitrova, L. Boyadzhiev
Publikováno v:
Separation Science and Technology. 41:877-886
Liquid membrane separation technique was applied for the recovery and preconcentration of rosmarinic acid from aqueous extract of dried leaves of Balm lemon (Melissa officinalis L.). Among several studied organic solvents, diisopropyl ether and ethyl
Publikováno v:
Separation and Purification Technology. 46:41-45
Selective recovery of atropine from Atropa belladonna was studied. Applying pertraction in a rotating film (RF) contactor the alkaloid was successfully recovered from model solutions of atropine, as well as from native aqueous extracts obtained from
Publikováno v:
Low Temperature Physics. 31:847-851
The transition from the model of a long Josephson junction of variable width to the model of a junction with a coordinate-dependent Josephson current amplitude is effected through a coordinate transformation. This establishes the correspondence betwe
Autor:
B. Yordanov, L. Boyadzhiev
Publikováno v:
Separation Science and Technology. 39:1321-1329
The liquid‐membrane (pertraction) separation technique was applied for the recovery and preconcentration of the indole alkaloid vincamine from native acidic extracts of Vinca minor L. On the basis of the distribution coefficients of vincamine deter
Autor:
L. Boyadzhiev, B. Yordanov
Publikováno v:
Journal of Membrane Science. 238:191-197
The extraction of citric acid from its dilute solutions by means of emulsion liquid membranes (ELM) was studied. Alamine 336 added to the organic membrane was used as a carrier, the acceptor phase was a solution of sodium hydroxide whose concentratio
Publikováno v:
Separation and Purification Technology. 37:9-16
The behaviour of various extractants for removal and separation of zinc and iron from waste industrial hydrochloric acid solutions was studied. As a most suitable extractant for zinc recovery and for separation of Zn(II) from accompanying Fe(II) and
Publikováno v:
Chemical Engineering Journal. 95:137-141
Pertraction or extraction by liquid membranes is a new, prospective separation method for recovery and concentration of antibiotics from their dilute aqueous solutions. Mixture separation by pertraction is a combination of two, widely used and consec