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51

Thermochemical and acidic properties of the zeolites offretite, omega and ZSM—5

V. Penchev, Ch. Minchev, V. Kanazirev, O. Pencheva, N. Borisova, L. Kosova, H. Lechert, H. Kacirek

Journal:

Year:

1983

Language:

english

File:

PDF, 437 KB

english, 1983

52

Toluene conversion on the zeolites offretite, omega and ZSM-5

V. Mavrodinova, Ch. Minchev, V. Penchev, H. Lechert

Journal:

Year:

1985

Language:

english

File:

PDF, 425 KB

english, 1985

53

Factors influencing the conversions of alkylaromatic hydrocarbons on high-silica zeolites: Part I. Structure and density of the active centers

V. Mavrodinova, V. Penchev, U. Lohse, H. Stach

Journal:

Year:

1989

Language:

english

File:

PDF, 500 KB

english, 1989

54

Factors influencing the conversions of alkylaromatic hydrocarbons on high-silica zeolites: Part II. Presence of extralattice Al

V. Mavrodinova, V. Penchev, U. Lohse, T. Gross

Journal:

Year:

1989

Language:

english

File:

PDF, 476 KB

english, 1989

55

Measurements and analysis of neutron leakage spectra from carbon slab irradiated with 14.8 MeV neutrons

T.D. Beynon, J. Jordanova, O. Penchev

Journal:

Progress in Nuclear Energy

Year:

1995

Language:

english

File:

PDF, 420 KB

english, 1995

56

Integral measurements in an iron assembly bombarded with 14 MeV neutrons

J. Jordanova, O. Penchev, Ts. Panteleev, M. Drenska, P. Petkov

Journal:

Progress in Nuclear Energy

Year:

1994

Language:

english

File:

PDF, 457 KB

english, 1994

57

Corrections to orientational order parameters obtained by fluorescence measurements

I. Penchev, I. Dozov, N. Kirov

Journal:

Journal of Molecular Liquids

Year:

1984

Language:

english

File:

PDF, 673 KB

english, 1984

58

Phase transitions and orientationial order parameters of N-(4-alkoxybenzylidene) 4′-toluidines in their mesomorphic states

N. Kirov, I. Dozov, I. Penchev

Journal:

Journal of Molecular Liquids

Year:

1985

Language:

english

File:

PDF, 707 KB

english, 1985

59

A deuteron polarimeter for polarized beams of relativistic energies

V.G. Ableev, S. Dzhemukhadze, V.P. Ershov, V.V. Fimushkin, B. Kühn, M.V. Kulikov, A.A. Nomofilov, L. Penchev, Yu.K. Pilipenko, N.M. Piskunov, V.I. Sharov, V.B. Shutov, I.M. Sitnik, E.A. Strokovsky, L.

Journal:

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Year:

1991

Language:

english

File:

PDF, 648 KB

english, 1991

60

Calibration of the polarimeter POMME at proton energies between 1.05 and 2.4 GeV

N.E. Cheung, C.F. Perdrisat, J. Oh, K. Beard, V. Punjabi, J. Yonnet, R. Beurtey, M. Boivin, F. Plouin, E. Tomasi-Gustafsson, A. Boudard, R. Abegg, V. Ladygin, L. Penchev, N. Piskunov, I. Sitnik, E.A.

Journal:

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Year:

1995

Language:

english

File:

PDF, 674 KB

english, 1995

61

The measurements of the polarization transfer coefficient in the (d, p) reaction at a fixed proton momentum 4.5 GeV/c and a deuteron momentum range of 6.0–9.0 GeV/c

B. Kuehn, V.P. Ladygin, P.K. Manyakov, N.M. Piskunov, I.M. Sitnik, E.A. Strokovsky, L. Penchev, A.P. Kobushkin

Journal:

Physics Letters B

Year:

1994

Language:

english

File:

PDF, 368 KB

english, 1994

62

Measurement of polarization transfer κ0 and tensor analyzing power T20 in the backward elastic dp scattering

V. Punjabi, R. Abegg, S. Belostotsky, M. Boivin, A. Boudard, E. Cheung, V. Ladygin, J. Oh, L. Penchev, N. Piskunov, C.F. Perdrisat, I. Sitnik, E.A. Strokovsky, E. Tomasi-Gustafsson, V. Vikhrov, J. Yon

Journal:

Physics Letters B

Year:

1995

Language:

english

File:

PDF, 513 KB

english, 1995

63

Measurement of the tensor analyzing power T20 in inclusive deuteron breakup at 9 GeV/c on hydrogen and carbon

L.S. Azhgirey, S.V. Afanasyev, E.V. Chernykh, A.P. Kobushkin, V.P. Ladygin, S. Nedev, L. Penchev, C.F. Perdrisat, N.M. Piskunov, V. Punjabi, I.M. Sitnik, G.D. Stoletov, E.A. Strokovsky, A.I. Syamtomov

Journal:

Physics Letters B

Year:

1996

Language:

english

File:

PDF, 613 KB

english, 1996

64

Determining the S2 and S4 order parameters through fluorescent measurements

I. Penchev, I. Dozov

Journal:

Physics Letters A

Year:

1977

Language:

english

File:

PDF, 2.31 MB

english, 1977

65

Synthesis of polymer-stabilized magnetic nanoparticles and fabrication of nanocomposite fibers thereof using electrospinning

Rosica Mincheva, Olya Stoilova, Hristo Penchev, Todor Ruskov, Ivan Spirov, Nevena Manolova, Iliya Rashkov

Journal:

European Polymer Journal

Year:

2008

Language:

english

File:

PDF, 2.27 MB

english, 2008

66

Measurements and calculations of neutron leakage spectra through copper slabs bombarded with 14 MeV neutrons

J. Jordanova, O. Penchev

Journal:

Fusion Engineering and Design

Year:

1996

Language:

english

File:

PDF, 410 KB

english, 1996

67

Hybrid nanofibrous yarns based on N-carboxyethylchitosan and silver nanoparticles with antibacterial activity prepared by self-bundling electrospinning

Hristo Penchev, Dilyana Paneva, Nevena Manolova, Iliya Rashkov

Journal:

Carbohydrate Research

Year:

2010

Language:

english

File:

PDF, 872 KB

english, 2010

68

On-line monitoring of batch cooling crystallization of organic compounds using ATR-FTIR spectroscopy coupled with an advanced calibration method

Zeng-Ping Chen, Julian Morris, Antonia Borissova, Shahid Khan, Tariq Mahmud, Rado Penchev, Kevin J. Roberts

Journal:

Chemometrics and Intelligent Laboratory Systems

Year:

2009

Language:

english

File:

PDF, 1.55 MB

english, 2009

69

A complete 1H and 13C NMR data assignment for 3-phenylmethylene-1H,3H-naphtho-[1,8-c,d]-pyran-1-one

Plamen N. Penchev, Neyko M. Stoyanov, Marin N. Marinov

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2011

Language:

english

File:

PDF, 516 KB

english, 2011

70

Application of modulated optical reflectance method for high-temperature superconducting film characterization

V. Pencheva, S. Penchev, V. Naboko, S. Naboko, T. Donchev

Journal:

Year:

2004

Language:

english

File:

PDF, 282 KB

english, 2004

71

Automatic classification of infrared spectra using a set of improved expert-based features

Plamen N. Penchev, George N. Andreev, Kurt Varmuza

Journal:

Analytica Chimica Acta

Year:

1999

Language:

english

File:

PDF, 275 KB

english, 1999

72

Systematic structure elucidation of organic compounds by mass spectra classification

K. Varmuza, P. Penchev, F. Stancl, W. Werther

Journal:

Journal of Molecular Structure

Year:

1997

Language:

english

File:

PDF, 504 KB

english, 1997

73

Characteristic substructures in sets of organic compounds with similar infrared spectra

Plamen N. Penchev, Kurt Varmuza

Journal:

Computers & Chemistry

Year:

2001

Language:

english

File:

PDF, 108 KB

english, 2001

74

Tensor analyzing power T20 in backward elastic dp scattering and breakup at 0° between 3.5–6.5 GeV/c

L.S. Azhgirey, E.V. Chernykh, A.P. Kobushkin, V.P. Ladygin, S. Nedev, L. Penchev, C.F. Perdrisat, N.M. Piskunov, V. Punjabi, I.M. Sitnik, G.D. Stoletov, E.A. Strokovsky, A.I. Syamtomov, V.V. Vikhrov,

Journal:

Physics Letters B

Year:

1997

Language:

english

File:

PDF, 799 KB

english, 1997

75

Large and frequently occurring substructures in organic compounds obtained by library search of infrared spectra

K Varmuza, P.N Penchev, H Scsibrany

Journal:

Vibrational Spectroscopy

Year:

1999

Language:

english

File:

PDF, 151 KB

english, 1999

76

Vibrational spectra and structure of 1,4-dinitrobenzene and its 15N labelled derivatives: an ab initio and experimental study

George N Andreev, Bistra A Stamboliyska, Plamen N Penchev

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

1997

Language:

english

File:

PDF, 267 KB

english, 1997

77

Comparative identification of irradiated herbs by the methods of electron paramagnetic resonance and thermoluminescence

N.D. Yordanov, V. Gancheva, M. Radicheva, B. Hristova, M. Guelev, O. Penchev

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

1998

Language:

english

File:

PDF, 180 KB

english, 1998

78

Stationary copolymerization of formaldehyde and 1,3-dioxolan

P. I. Penchev, V. A. Minin, N. F. Kedrina, V. V. Ivanov, N. S. Enikolopyan

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1974

Language:

english

File:

PDF, 291 KB

english, 1974

79

Laser Heterodyne Measurement of Photothermal Displacement for Material Surface Characterization

Vasilka Pencheva, Stoyan Penchev, Vasilii Naboko, Todor Donchev, Svetoslav Kolev, Tania Kutzarova

Journal:

Plasma Processes and Polymers

Year:

2006

Language:

english

File:

PDF, 174 KB

english, 2006

80

Non-linear optical susceptibilities of molecular crystals in the region of vibronic excitations. I. The three-dimensional case

I. J. Lalov, K. T. Stoychev, S. P. Penchev

Journal:

physica status solidi (b)

Year:

1983

Language:

english

File:

PDF, 608 KB

english, 1983

81

Non-Linear Optical Susceptibilities of Molecular Crystals in the Region of Vibronic Excitations. II. Totally Symmetric Vibrations

I. J. Lalov, K. T. Stoychev, S. P. Penchev

Journal:

physica status solidi (b)

Year:

1983

Language:

english

File:

PDF, 479 KB

english, 1983

82

Heterogeneous Graphene Nanostructures: ZnO Nanostructures Grown on Large-Area Graphene Layers

Jian Lin, Miroslav Penchev, Guoping Wang, Rajat K. Paul, Jiebin Zhong, Xiaoye Jing, Mihri Ozkan, Cengiz S. Ozkan

Journal:

Year:

2010

Language:

english

File:

PDF, 700 KB

english, 2010

83

Synthesis of a Pillared Graphene Nanostructure: A Counterpart of Three-Dimensional Carbon Architectures

Rajat Kanti Paul, Maziar Ghazinejad, Miroslav Penchev, Jian Lin, Mihrimah Ozkan, Cengiz Sinan Ozkan

Journal:

Year:

2010

Language:

english

File:

PDF, 2.82 MB

english, 2010

84

Bioluminescent Imaging Demonstrates That Transplanted Human Embryonic Stem Cell-Derived CD34+ Cells Preferentially Develop into Endothelial Cells

Xinghui Tian, Melinda K. Hexum, Vesselin R. Penchev, Russell J. Taylor, Leonard D. Shultz, Dan S. Kaufman

Journal:

Year:

2009

Language:

english

File:

PDF, 1.26 MB

english, 2009

85

Untersuchungen an oxidischen Katalysatoren. XLIII. Thermoanalytische und katalytische Untersuchungen an platinhaltigen H-ZSM-5-Zeolithen

Prof. Dr. H. Bremer, Dr. W. Reschetilowski, Doz. Dr. K.-P. Wendlandt, Dr. V. Kanazirev, Dr. Kh. Minchev, Prof. Dr. V. Penchev

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

1985

Language:

german

File:

PDF, 321 KB

german, 1985

86

Katalytische Umwandlung von Toluen an Pt-haltigen ZSM-5-Zeolithen

Wladimir Reschetilowski, Klaus-Peter Wendlandt, Veselina Mavrodinova, Khristo Minchev, Vladimir Penchev

Journal:

Zeitschrift für Chemie

Year:

1989

Language:

german

File:

PDF, 149 KB

german, 1989

87

Conversions of mixture of alkylaromatic hydrocarbons over granulated nickel/zeolite catalyst

N. Davidova, V. Penchev

Journal:

Chemistry and Technology of Fuels and Oils

Year:

1979

Language:

english

File:

PDF, 306 KB

english, 1979

88

Production of low-pour diesel fuel by the use of modified reforming catalyst

Iv. Sariev, At. Sokurov, Vl. Penchev

Journal:

Chemistry and Technology of Fuels and Oils

Year:

1981

Language:

english

File:

PDF, 340 KB

english, 1981

89

Investigation of activation behind a beryllium slab under irradiation with 14 MeV neutrons

I. Iordanova, O. Penchev, Ts. Panteleev

Journal:

Year:

1993

Language:

english

File:

PDF, 224 KB

english, 1993

90

Characteristics of the acetylcholinesterase activity of antagonistic muscles in ontogenesis of dogs

Journal:

Bulletin of Experimental Biology and Medicine

Year:

1965

Language:

english

File:

PDF, 225 KB

english, 1965

91

Numerical solution of a nonsteady extraction problem in the case of nonlinearity of the mass-transfer-coefficient relation

A. Minchev, Iv. Penchev, I. Kh. Tsibranska

Journal:

Journal of Engineering Physics and Thermophysics

Year:

1984

Language:

english

File:

PDF, 318 KB

english, 1984

92

Isothermal adsorption by biporous spherical particles in a restricted volume

Al. Asenov, I. Kh. Tsibranska, Iv. Penchev

Journal:

Journal of Engineering Physics and Thermophysics

Year:

1986

Language:

english

File:

PDF, 268 KB

english, 1986

93

Solvent extraction in a static bed with solvent recirculation and longitudinal mixing

A. Minchev, I. Penchev, I. Tsibranska

Journal:

Journal of Engineering Physics and Thermophysics

Year:

1986

Language:

english

File:

PDF, 279 KB

english, 1986

94

Fermentation-medium rheology in antibiotic production

I. Penchev, M. Kyrsheva, S. Chaushev, D. Romanov

Journal:

Journal of Engineering Physics and Thermophysics

Year:

1991

Language:

english

File:

PDF, 366 KB

english, 1991

95

Fluidized-bed solvent extraction with forward and counter-current flows

I. Penchev, A. Minchev, D. Popova

Journal:

Journal of Engineering Physics and Thermophysics

Year:

1989

Language:

english

File:

PDF, 284 KB

english, 1989

96

A theorem of fixed-point machine arithmetic in redundant binary quasicanonical number system

G. M. Lutskii, O. I. Penchev

Journal:

Cybernetics and Systems Analysis

Year:

1983

Language:

english

File:

PDF, 566 KB

english, 1983

97

Proton and triton momentum distributions from4He fragmentation at relativistic energies

V. G. Ableev, S. V. Dshemuchadse, C. Dimitrov, A. P. Kobushkin, B. Naumann, L. Naumann, A. A. Nomofilov, L. Penchev, N. M. Piskunov, V. I. Sharov, I. M. Sitnik, E. A. Strokovsky, L. N. Strunov, S. Tes

Journal:

Few-Body Systems

Year:

1990

Language:

english

File:

PDF, 415 KB

english, 1990

98

Insulin-precipitating antibodies in insulin-treated and untreated diabetic patients

I. Penchev, D. Andreev, S. Ditzov

Journal:

Year:

1968

Language:

english

File:

PDF, 349 KB

english, 1968

99

Effects of iodine upon the structure and function of mitochondria

R. R. Rachev, O. A. Dimitrov, E. H. Philipova, P. B. Penchev, I. Dekov

Journal:

Journal of Bioenergetics and Biomembranes

Year:

1973

Language:

english

File:

PDF, 411 KB

english, 1973

100

«Praediabetes» als Begriff

Iv. Penchev, Dim Andreev

Journal:

Acta Diabetologica

Year:

1965

File:

PDF, 409 KB

1965

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