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51

Analysing thermal-hydraulic performance and energy efficiency of shell-and-tube heat exchangers with longitudinal flow based on experiment and numerical simulation

Li, Nianqi, Chen, Jian, Cheng, Tao, KlemeÅ¡, JiÅÃ JaromÃr, Varbanov, Petar Sabev, Wang, Qiuwang, Yang, Weisheng, Liu, Xia, Zeng, Min

Journal:

Year:

2020

File:

PDF, 1.85 MB

2020

52

Heat exchanger network retrofit by a shifted retrofit thermodynamic grid diagram-based model and a two-stage approach

Wang, Bohong, KlemeÅ¡, JiÅÃ JaromÃr, Varbanov, Petar Sabev, Chin, Hon Huin, Wang, Qiu-Wang, Zeng, Min

Journal:

Year:

2020

File:

PDF, 2.47 MB

2020

53

An Extended Grid Diagram for Heat Exchanger Network Retrofit Considering Heat Exchanger Types

Wang, Bohong, KlemeÅ¡, JiÅÃ JaromÃr, Varbanov, Petar Sabev, Zeng, Min

Journal:

Year:

2020

File:

PDF, 3.92 MB

2020

54

Aromatic polyethers containing phosphorus in the main polymer chain

G. Sh. Papava, G. B. Borisov, S. Varbanov, S. V. Vinogradova, V. V. Korshak, R. P. Tsiskarishvili, Z. M. Sarishvili, G. B. Razmadze

Journal:

Acta Polymerica

Year:

1988

Language:

english

File:

PDF, 271 KB

english, 1988

55

New tertiary phosphine oxides and their application as flame retardants for polymers

S. Varbanov, G. Borisov

Journal:

Acta Polymerica

Year:

1988

Language:

english

File:

PDF, 836 KB

english, 1988

56

Unvernetzte Epoxid-Amin-Additionspolymere, 21. Dimethyl(aminomethyl)phosphinoxid, ein comonomeres für epoxidpolymere mit verminderter entflammbarkeit

Joachim Klee, Hans-Heinrich Hörhold, Heidrun Schütz, Sabi Varbanov, Gueorgui Borissov

Journal:

Macromolecular Materials and Engineering

Year:

1989

Language:

german

File:

PDF, 443 KB

german, 1989

57

Platinum Complexes with 5-Methyl-5(4-pyridyl)hydantoin and Its 3-Methyl Derivatives: Synthesis and Cytotoxic Activity – Quantitative Structure-Activity Relationships

Adriana Bakalova, Hristo Varbanov, Rossen Buyukliev, Georgi Momekov, Darvin Ivanov, Irini Doytchinova

Journal:

Archiv der Pharmazie

Year:

2011

Language:

english

File:

PDF, 226 KB

english, 2011

58

A Simple Synthesis of Dimethylphosphinyl-Substituted Tetrahydropyrroles.

Tsv. Cholakova, Y. Zagraniarsky, S. Simova, S. Varbanov, A. Dobrev

Journal:

Year:

2005

File:

PDF, 17 KB

2005

59

ChemInform Abstract: N-Dimethylphosphinoyl-Substituted Aminomethanephosphonic Acids

Victoria Lachkova, Sabi Varbanov, Walter Frank, Helmut Keck

Journal:

Year:

2010

File:

PDF, 27 KB

2010

60

Cobalt(II), Nickel(II), Copper(II), and Zinc(II) Complexes with a p-tert-Butylcalix[4]arene Fitted with Phosphinoyl Pendant Arms

Vladimira Videva, Anne-Sophie Chauvin, Sabi Varbanov, Christophe Baux, Rosario Scopelliti, Mariana Mitewa, Jean-Claude G. Bünzli

Journal:

European Journal of Inorganic Chemistry

Year:

2004

Language:

english

File:

PDF, 147 KB

english, 2004

61

Lanthanide Complexes with a Calix[8]arene Bearing Phosphinoyl Pendant Arms

Lada N. Puntus, Anne-Sophie Chauvin, Sabi Varbanov, Jean-Claude G. Bünzli

Journal:

European Journal of Inorganic Chemistry

Year:

2007

Language:

english

File:

PDF, 226 KB

english, 2007

62

Synthesis of phosphorus-containing polyurethanes from oligoethers prepared from bis(chloromethyl) methylphosphine oxide and glycols

G. Borissov, S. Varbanov, B. Zaphirova

Journal:

European Polymer Journal

Year:

1974

Language:

english

File:

PDF, 298 KB

english, 1974

63

Furfuryl-containing tertiary phosphine oxides and polymers based on some of them

S. Varbanov, G. Borissov

Journal:

European Polymer Journal

Year:

1984

Language:

english

File:

PDF, 306 KB

english, 1984

64

Flame-retardant properties of epoxide and unsaturated polyester resins modified with tertiary phosphine oxides containing chlorinated phenoxy groups

S. Varbanov, V. Vasileva, I. Vaseva, G. Borisov

Journal:

European Polymer Journal

Year:

1986

Language:

english

File:

PDF, 255 KB

english, 1986

65

Polyurethane foams based on dimethylaminomethylphosphine oxide adducts with ethylene and propylene oxides

S. Varbanov, G. Agopian, G. Borisov

Journal:

European Polymer Journal

Year:

1987

Language:

english

File:

PDF, 282 KB

english, 1987

66

Addition products of dialkyl phosphites with a Schiff base as components increasing the combustion resistance of polymers

I. Kraicheva, S. Varbanov, G. Borisov

Journal:

European Polymer Journal

Year:

1992

Language:

english

File:

PDF, 248 KB

english, 1992

67

Investigation of arsenic-implanted silicon by optical reflectometry

V.I. Stavrov, R. Varbanov, O. Vasiliev, D. Berova

Journal:

Year:

1991

Language:

english

File:

PDF, 304 KB

english, 1991

68

Platinum(II), platinum(IV), and palladium(II) complexes of amino substituted phosphine oxides: Synthesis, characterization, and antitumor activity

N. Dodoff, N. Spassovska, S. Varbanov, G. Borisov

Journal:

Journal of Inorganic Biochemistry

Year:

1990

Language:

english

File:

PDF, 390 KB

english, 1990

69

Analysis and integration of fuel cell combined cycles for development of low-carbon energy technologies

Petar Varbanov, Jiří Klemeš

Journal:

Year:

2008

Language:

english

File:

PDF, 564 KB

english, 2008

70

Coordination of (aminoalkyloxymethyl)dimethylphosphine oxides with palladium(II). Crystal structure of trans-bis[2-(dimethylphosphinoylmethoxy-1,1-dimethylethylamine)]palladium(II) dichloride

Vesselina Vassileva, Galina Gencheva, Elena Russeva, Sabi Varbanov, Rosario Scopelliti, Emil Tashev

Journal:

Inorganica Chimica Acta

Year:

2005

Language:

english

File:

PDF, 202 KB

english, 2005

71

Novel Pt(II) and Pt(IV) complexes with 3-amino-5-methyl-5-(4-pyridyl)-2,4-imidazolidenedione. Synthesis, physicochemical, chemometric and pharmacological investigation

Adriana Bakalova, Hristo Varbanov, Rossen Buyukliev, Stancho Stanchev, Georgi Momekov, Darvin Ivanov

Journal:

Inorganica Chimica Acta

Year:

2010

Language:

english

File:

PDF, 567 KB

english, 2010

72

P-graph methodology for cost-effective reduction of carbon emissions involving fuel cell combined cycles

Petar Varbanov, Ferenc Friedler

Journal:

Applied Thermal Engineering

Year:

2008

Language:

english

File:

PDF, 275 KB

english, 2008

73

Process integration for energy and water saving, increasing efficiency and reducing environmental impact

Jiří Jaromír Klemeš, Petar Sabev Varbanov, Sauro Pierucci

Journal:

Applied Thermal Engineering

Year:

2010

Language:

english

File:

PDF, 134 KB

english, 2010

74

Minimising the startup duration for mass- and heat-integrated two-column distillation systems: A conceptual approach

P. Varbanov, A. Klein, J.-U. Repke, G. Wozny

Journal:

Chemical Engineering and Processing: Process Intensification

Year:

2008

Language:

english

File:

PDF, 1.41 MB

english, 2008

75

Cell-based dynamic heat exchanger models—Direct determination of the cell number and size

Petar Sabev Varbanov, Jiří Jaromír Klemeš, Ferenc Friedler

Journal:

Computers & Chemical Engineering

Year:

2011

Language:

english

File:

PDF, 322 KB

english, 2011

76

Integration and management of renewables into Total Sites with variable supply and demand

Petar Sabev Varbanov, Jiří Jaromír Klemeš

Journal:

Computers & Chemical Engineering

Year:

2011

Language:

english

File:

PDF, 929 KB

english, 2011

77

New bounds for n4(k,d) and classification of some optimal codes over GF(4)

Iliya Bouyukliev, Markus Grassl, Zlatko Varbanov

Journal:

Discrete Mathematics

Year:

2004

Language:

english

File:

PDF, 285 KB

english, 2004

78

Synthesis, characterization and biological activity of Pt(II) and Pt(IV) complexes with 5-methyl-5(4-pyridyl)-2,4-imidazolidenedione

Adriana Bakalova, Hristo Varbanov, Rossen Buyukliev, Georgi Momekov, Dilyan Ferdinandov, Spiro Konstantinov, Darvin Ivanov

Journal:

European Journal of Medicinal Chemistry

Year:

2008

Language:

english

File:

PDF, 540 KB

english, 2008

79

Minimising emissions and energy wastage by improved industrial processes and integration of renewable energy

Jiří Jaromír Klemeš, Petar Sabev Varbanov, Sauro Pierucci, Donald Huisingh

Journal:

Journal of Cleaner Production

Year:

2010

Language:

english

File:

PDF, 152 KB

english, 2010

80

Phosphoamide – modified p-tert-butyl calix[4]arene and its sodium complexes: Synthesis, coordination ability and structure

Vladimira Videva, Tania Tosheva, Anne-Sophie Chauvin, Stoycho Shenkov, Rosica Petrova, Rosario Scopelliti, Emil Tashev, Sabi Varbanov, Mariana Mitewa

Journal:

Year:

2006

Language:

english

File:

PDF, 356 KB

english, 2006

81

Effect of p-tert-butylcalix[4]arene fitted with phosphinoyl pendant arms as synergistic agent in the solvent extraction of trivalent lanthanoids with 4,4,4-trifluoro-1-(2-thienyl)-1,3-butanedione and structural study of solid complexes by IR, NMR and X-ray

Maria Atanassova, Victoria Lachkova, Nikolay Vassilev, Boris Shivachev, Sabi Varbanov, Ivan Dukov

Journal:

Year:

2008

Language:

english

File:

PDF, 818 KB

english, 2008

82

Complexation of trivalent lanthanoid ions with 4-benzoyl-3-phenyl-5-isoxazolone and p-tert-butylcalix[4]arene fitted with phosphinoyl pendant arms in solution during synergistic solvent extraction and structural study of solid complexes by IR and NMR

Maria Atanassova, Victoria Lachkova, Nikolay Vassilev, Sabi Varbanov, Ivan Dukov

Journal:

Year:

2010

Language:

english

File:

PDF, 590 KB

english, 2010

83

Minimising carbon footprint of regional biomass supply chains

Hon Loong Lam, Petar Varbanov, Jiří Klemeš

Journal:

Resources, Conservation and Recycling

Year:

2010

Language:

english

File:

PDF, 512 KB

english, 2010

84

Experimental and computational studies of the structure and vibrational spectra of aminomethyl-dimethyl-phosphine oxide and its 15N labeled isomer

Tsonko M. Kolev, Sabi G. Varbanov, Bistra A. Stamboliyska, Gerhard Hägele, Elena D. Russeva

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2004

Language:

english

File:

PDF, 160 KB

english, 2004

85

Synthesis of octa(1,1,3,3-tetramethylbutyl)octakis(dimethylphosphinoylmethyleneoxy)calix[8]arene and its application in the synergistic solvent extraction and separation of lanthanoids

Emil Tashev, Maria Atanassova, Sabi Varbanov, Tania Tosheva, Stoycho Shenkov, Anne-Sophie Chauvin, Ivan Dukov

Journal:

Separation and Purification Technology

Year:

2008

Language:

english

File:

PDF, 527 KB

english, 2008

86

Metal complexes of dimethyl phthalimidomethylphosphine oxide

N.I. Dodoff, N.Chr. Spassovska, S.G. Varbanov, G. Borisov

Journal:

Inorganica Chimica Acta

Year:

1989

Language:

english

File:

PDF, 529 KB

english, 1989

87

97 Clinical characteristics and survival of MDS patients in Hematology Clinic, University Hospital, Varna. Reassessment according to WHO, IPSS, WPSS

I. Micheva, V. Gerov, R. Rachev, H. Varbanov, A. Zhelyazkova, N. Stavrev, L. Gercheva

Journal:

Leukemia Research

Year:

2011

Language:

english

File:

PDF, 71 KB

english, 2011

88

Design and operation of efficient energy systems: Biorefineries, waste to energy, enhanced heat transfer and fuel cell applications

Jiří Jaromír Klemeš, Petar Sabev Varbanov

Journal:

Applied Thermal Engineering

Year:

2011

Language:

english

File:

PDF, 148 KB

english, 2011

89

Vibrational study of new Pt(II) and Pd(II) complexes with functionalized nitrogen-containing tertiary phosphine oxides. Ab initio study of ortho-, meta- and para-dimethylphosphinylmethyleneoxyaniline

N Trendafilova, G Bauer, I Georgieva, T Tosheva, S Varbanov

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2003

Language:

english

File:

PDF, 329 KB

english, 2003

90

IR and Raman study of Pt(II) and Pd(II) complexes of amino substituted phosphine oxides: Normal coordinate analysis

N Trendafilova, I Georgieva, G Bauer, S Varbanov, N Dodoff

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

1997

Language:

english

File:

PDF, 270 KB

english, 1997

91

Novel platinum (II) complexes with (pyridyloxymethylene)dimethylphosphine oxides-synthesis, IR and Raman study.: Normal coordinate analysis

N Trendafilova, G Bauer, I Georgieva, S Varbanov, E Tashev

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

1998

Language:

english

File:

PDF, 115 KB

english, 1998

92

Proteomic analysis of the cellular responses induced in uninfected immune cells by cell-expressed X4 HIV-1 envelope

Laurence Molina, Marina Grimaldi, Véronique Robert-Hebmann, Lucile Espert, Mihayl Varbanov, Christian Devaux, Claude Granier, Martine Biard-Piechaczyk

Journal:

Year:

2007

Language:

english

File:

PDF, 482 KB

english, 2007

93

DFT study of the structure and spectral behavior of new pt(II) complexes with 5-methyl-5(4-pyridyl)hydantoin

Adriana Bakalova, Hristo Varbanov, Stancho Stanchev, Darvin Ivanov, Frank Jensen

Journal:

International Journal of Quantum Chemistry

Year:

2009

Language:

english

File:

PDF, 236 KB

english, 2009

94

Bayesian analysis of quantitative antimicrobial assays

Alex R. Varbanov, Charles H. Taylor

Journal:

Statistics in Medicine

Year:

2003

Language:

english

File:

PDF, 92 KB

english, 2003

95

Aminomethylphosphine Oxides: Synthesis, dissociation and stability constants, 31P{1H}-NMR-controlled titrations

Prof. Dr. Gerhard Hägele, Sabi Varbanov, Johannes Ollig, Hans-Walter Kropp

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

1994

Language:

english

File:

PDF, 453 KB

english, 1994

96

The determining role of three-phase contact mobility and contact angle magnitude in the selectivity of a flotation process

Journal:

Colloid & Polymer Science

Year:

1985

Language:

english

File:

PDF, 435 KB

english, 1985

97

Synthesis of regional networks for the supply of energy and bioproducts

Lidija Čuček, Hon Loong Lam, Jiří J. Klemeš, Petar S. Varbanov, Zdravko Kravanja

Journal:

Clean Technologies and Environmental Policy

Year:

2010

Language:

english

File:

PDF, 331 KB

english, 2010

98

Effect ofp-tert-Butylcalix[4]arene Fitted with Phosphinoyl Pendant Arms as Synergistic Agent in the Solvent Extraction and Separation of Some Trivalent Lanthanoids with 4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone

Maria Atanassova, Victoria Lachkova, Nikolay Vassilev, Sabi Varbanov, Ivan Dukov

Journal:

Journal of Inclusion Phenomena and Macrocyclic Chemistry

Year:

2007

Language:

english

File:

PDF, 310 KB

english, 2007

99

Palladium(II) complexes with 5-methyl-5-(4-pyridyl)-2,4-imidazolidenedione

Adriana Bakalova, H. Varbanov, R. Buyukliev, G. Momekov, D. Ivanov

Journal:

Journal of Thermal Analysis and Calorimetry

Year:

2009

Language:

english

File:

PDF, 222 KB

english, 2009

100

Synthesis of palladium(II) complexes with 3-amino-5-methyl-5-(4-pyridyl)-hydantoin: cytotoxic and antimicrobial investigations and comparison with their platinum analogues

H. Varbanov, A. Bakalova, R. Buyukliev, G. Momekov, R. Baykushev

Journal:

Transition Metal Chemistry

Year:

2010

Language:

english

File:

PDF, 192 KB

english, 2010