Z.G. ZHEKOV: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

51

X-rays from the episodic dust maker WR 137

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2015

Language:

english

File:

PDF, 679 KB

english, 2015

52

X‐Ray Emission from Colliding Wind Shocks in the Wolf‐Rayet Binary WR 140

Zhekov, Svetozar A., Skinner, Stephen L.

Journal:

The Astrophysical Journal

Year:

2000

Language:

english

File:

PDF, 211 KB

english, 2000

53

The X‐Ray Spectrum of Supernova Remnant 1987A

Michael, Eli, Zhekov, Svetozar, McCray, Richard, Hwang, Una, Burrows, David N., Park, Sangwook, Garmire, Gordon P., Holt, Stephen S., Hasinger, Gunther

Journal:

The Astrophysical Journal

Year:

2002

Language:

english

File:

PDF, 732 KB

english, 2002

54

SNR 1987A: Opening the Future by Reaching the Past

Park, Sangwook, Zhekov, Svetozar A., Burrows, David N., McCray, Richard

Journal:

The Astrophysical Journal

Year:

2005

Language:

english

File:

PDF, 232 KB

english, 2005

55

X-RAY EMISSION FROM NITROGEN-TYPE WOLF-RAYET STARS

Skinner, Stephen L., Zhekov, Svetozar A., Güdel, Manuel, Schmutz, Werner, Sokal, Kimberly R.

Journal:

The Astronomical Journal

Year:

2010

Language:

english

File:

PDF, 732 KB

english, 2010

56

A CHANDRA GRATING OBSERVATION OF THE DUSTY WOLF-RAYET STAR WR 48a

Zhekov, Svetozar A., Gagné, Marc, Skinner, Stephen L.

Journal:

The Astrophysical Journal

Year:

2014

Language:

english

File:

PDF, 1.04 MB

english, 2014

57

X-rays from wind-blown bubbles: an XMM-Newton detection of NGC 2359

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2014

Language:

english

File:

PDF, 1.84 MB

english, 2014

58

Radiative steady-state colliding stellar wind models: are they correct?

Myasnikov, A. V., Zhekov, S. A., Belov, N. A.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

1998

Language:

english

File:

PDF, 1.10 MB

english, 1998

59

[AIP SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters - ()] AIP Conference Proceedings - Chandra Observations of Supernova 1987A

Park, Sangwook, Burrows, David N., Garmire, Gordon P., McCray, Richard, Racusin, Judith L., Zhekov, Svetozar A., Immler, Stefan, Weiler, Kurt

Year:

2007

Language:

english

File:

PDF, 1.35 MB

english, 2007

60

Mathematical modeling of energy processes in YAG:Er 3+ lasers

Budnik, V N, Gondra, A D, Zhekov, V I, Lobachev, V A, Murina, T M, Terent'ev, Yu I, Shcherbakov, A A

Journal:

Soviet Journal of Quantum Electronics

Year:

1989

Language:

english

File:

PDF, 312 KB

english, 1989

61

Cross section of the 4I 11/2 – 4I 13/2 laser transition in Er 3+ ions in yttrium–erbium–aluminum garnet crystals

Zharikov, Evgeny V, Zhekov, V I, Murina, T M, Osiko, Vyacheslav V, Timoshechkin, M I, Shcherbakov, Ivan A

Journal:

Soviet Journal of Quantum Electronics

Year:

1977

Language:

english

File:

PDF, 307 KB

english, 1977

62

Lasing in Y 3 Al 5 O 12 :Er 3+ (λ = 2.94 μm) crystals as a result of selective excitation of the lower active level

Zhekov, V I, Lobachev, V A, Murina, T M, Popov, A V, Prokhorov, A M, Studenikin, M I

Journal:

Soviet Journal of Quantum Electronics

Year:

1989

Language:

english

File:

PDF, 431 KB

english, 1989

63

Photoionization cross sections of excited states of some mercury-like ions in alkali halide crystals

Danilov, V P, Zhekov, V I, Murina, T M, Nagli, L E, Prokhorov, A M

Journal:

Soviet Journal of Quantum Electronics

Year:

1982

Language:

english

File:

PDF, 266 KB

english, 1982

64

Cooperative phenomena in yttrium erbium aluminum garnet crystals

Zhekov, V I, Lobachev, V A, Murina, T M, Prokhorov, A M

Journal:

Soviet Journal of Quantum Electronics

Year:

1984

Language:

english

File:

PDF, 341 KB

english, 1984

65

Efficient cross-relaxation laser emitting at λ = 2.94 μ

Zhekov, V I, Lobachev, V A, Murina, T M, Prokhorov, A M

Journal:

Soviet Journal of Quantum Electronics

Year:

1983

Language:

english

File:

PDF, 203 KB

english, 1983

66

Parameters of excitation energy transfer from the 4 / 11/2 level of the Er 3+ ion in (Y 1– x Er x ) 3 Al 5 O 12 crystals

Bagdasarov, Khachik S, Danilov, V P, Zhekov, V I, Murina, T M, Platnov, N N, Prokhorov, A M

Journal:

Soviet Journal of Quantum Electronics

Year:

1992

Language:

english

File:

PDF, 407 KB

english, 1992

67

Mechanism of a population inversion between the 4I 11/2 and 4I 13/2 levels of the Er 3+ ion in Y 3 AI 5 O 12 crystals

Zhekov, V I, Zubov, B V, Lobachev, V A, Murina, T M, Prokhorov, A M, Shevel', A F

Journal:

Soviet Journal of Quantum Electronics

Year:

1980

Language:

english

File:

PDF, 124 KB

english, 1980

68

Nonradiative losses due to the 4I 11/2 – 4I 13/2 transition of the Er 3+ ion in Y 3 Al 5 O 12 , Gd 3 Sc 2 Al 3 O 12 , Y 3 Ga 5 O 12 , Gd 3

Ashurov, M Kh, Basiev, Tasoltan T, Voronko, Yu K, Zharikov, Evgeny V, Zhekov, V I, Murina, T M, Osiko, Vyacheslav V, Timoshechkin, M I, Shcherbakov, Ivan A

Journal:

Soviet Journal of Quantum Electronics

Year:

1978

Language:

english

File:

PDF, 218 KB

english, 1978

69

Elastic and piezoelectric moduli of Nd and Sm ferroborates

T. N. Gaydamak, I. A. Gudim, G. A. Zvyagina, I. V. Bilych, N. G. Burma, K. R. Zhekov, V. D. Fil

Year:

2015

Language:

english

File:

PDF, 540 KB

english, 2015

70

Giant laser radiation pulses from erbium-doped yttrium aluminum garnet crystals

K. S. Bagdasarov, V. I. Zhekov, L. A. Kulevskiĭ, V. A. Lobachev, T. M. Murina, A. M. Prokhorov

Year:

1980

Language:

english

File:

PDF, 525 KB

english, 1980

71

Pulsed laser calorimetry

K. S. Bagdasarov, V. I. Zhekov, T. M. Murina, A. V. Popov, A. M. Prokhorov, E. A. Fedorov

Year:

1988

Language:

english

File:

PDF, 218 KB

english, 1988

72

Radiative and nonradiative transitions exhibited by Er3+ions in mixed yttrium-erbium aluminum garnets

T. T. Basiev, E. V. Kharikov, V. I. Zhekov, T. M. Murina, V. V. Osiko, A. M. Prokhorov, B. P. Starikov, M. I. Timoshechkin, I. A. Shcherbakov

Year:

1976

Language:

english

File:

PDF, 455 KB

english, 1976

73

Color centers in yttrium-aluminum and yttrium-erbium-aluminum garnet crystals

E. V. Zharikov, V. I. Zhekov, T. M. Murina, V. V. Osiko, A. M. Prokhorov, M. I. Timoshechkin

Year:

1976

Language:

english

File:

PDF, 428 KB

english, 1976

74

Characteristics of the operation of a Y 3 Al 5 O 12 :Tm 3+ ( 3F 4 – 3H 5 ) crystal laser subjected to selective excitation

Asatiani, G G, Dzhibladze, M I, Zhekov, V I, Murina, T M, Prokhorov, A M, Fedorov, E A, Tarasova, N V

Journal:

Soviet Journal of Quantum Electronics

Year:

1991

Language:

english

File:

PDF, 356 KB

english, 1991

75

A multiwavelength view on the dusty Wolf-Rayet star WR 48a

Zhekov, S. A., Tomov, T., Gawronski, M. P., Georgiev, L. N., Borissova, J., Kurtev, R., Gagne, M., Hajduk, M.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2014

Language:

english

File:

PDF, 2.18 MB

english, 2014

76

A retrospective analysis of long-term outcomes following a single episode of transscleral cyclodiode laser treatment in patients with glaucoma

Zhekov, I., Janjua, R., Shahid, H., Sarkies, N., Martin, K. R., White, A. J. R.

Journal:

Year:

2013

Language:

english

File:

PDF, 579 KB

english, 2013

77

X-rays from the oxygen-type Wolf–Rayet binary WR 30a

Zhekov, Svetozar A., Skinner, Stephen L.

Journal:

Monthly Notices of the Royal Astronomical Society

Year:

2015

Language:

english

File:

PDF, 483 KB

english, 2015

78

SN1987A: the X-ray remnant at age 25 years

Burrows, David N., Park, Sangwook, Helder, Eveline A., Dewey, Daniel, McCray, Richard, Zhekov, Svetozar A., Racusin, Judith L., Dwek, Eli

Journal:

Proceedings of the International Astronomical Union

Year:

2011

Language:

english

File:

PDF, 318 KB

english, 2011

79

Iron Depletion in the Hot Bubbles in Planetary Nebulae

Georgiev, Leonid N., Richer, Michael G., Arrieta, Anabel, Zhekov, Svetozar A.

Journal:

The Astrophysical Journal

Year:

2006

Language:

english

File:

PDF, 254 KB

english, 2006

80

The Chandra X‐Ray Spectrum of the 10.6 s Pulsar in Westerlund 1: Testing the Magnetar Hypothesis

Skinner, S. L., Perna, R., Zhekov, S. A.

Journal:

The Astrophysical Journal

Year:

2006

Language:

english

File:

PDF, 201 KB

english, 2006

81

A Chandra View of the Morphological and Spectral Evolution of Supernova Remnant 1987A

Park, Sangwook, Zhekov, Svetozar A., Burrows, David N., Garmire, Gordon P., McCray, Richard

Journal:

The Astrophysical Journal

Year:

2004

Language:

english

File:

PDF, 442 KB

english, 2004

82

A Rich Population of X-Ray-emitting Wolf-Rayet Stars in the Galactic Starburst Cluster Westerlund 1

Skinner, S. L., Simmons, A. E., Zhekov, S. A., Teodoro, M., Damineli, A., Palla, F.

Journal:

The Astrophysical Journal

Year:

2006

Language:

english

File:

PDF, 282 KB

english, 2006

83

The Reverse Shock of SNR 1987A at 18 Years after Outburst

Smith, Nathan, Zhekov, Svetozar A., Heng, Kevin, McCray, Richard, Morse, Jon A., Gladders, Mike

Journal:

The Astrophysical Journal

Year:

2005

Language:

english

File:

PDF, 409 KB

english, 2005

84

Evolutionary Status of SNR 1987A at the Age of Eighteen

Park, Sangwook, Zhekov, Svetozar A., Burrows, David N., Garmire, Gordon P., Racusin, Judith L., McCray, Richard

Journal:

The Astrophysical Journal

Year:

2006

Language:

english

File:

PDF, 355 KB

english, 2006

85

Chandra Observations of Shock Kinematics in Supernova Remnant 1987A

Zhekov, S. A., McCray, R., Borkowski, K. J., Burrows, D. N., Park, S.

Journal:

The Astrophysical Journal

Year:

2005

Language:

english

File:

PDF, 112 KB

english, 2005

86

SPIE Proceedings [SPIE Intl Conf on Trends in Quantum Electronics - Bucharest, Romania (Monday 29 August 1988)] Trends in Quantum Electronics - Energy Transfer Processes In YAG:Er And YAG:Nd

Ursu, I., Lupei, V., Prokhorov, A. M. .., Zhekov, V. I., Ursu, Ioan

Year:

1989

Language:

english

File:

PDF, 306 KB

english, 1989

87

Chandra HETG Spectra of SN 1987A at 20 Years

Dewey, D., Zhekov, S. A., McCray, R., Canizares, C. R.

Journal:

The Astrophysical Journal

Year:

2008

Language:

english

File:

PDF, 143 KB

english, 2008

88

Evolution of the Reverse Shock Emission from SNR 1987A

Heng, Kevin, McCray, Richard, Zhekov, Svetozar A., Challis, Peter M., Chevalier, Roger A., Crotts, Arlin P. S., Fransson, Claes, Garnavich, Peter, Kirshner, Robert P., Lawrence, Stephen S., Lundqvist,

Journal:

The Astrophysical Journal

Year:

2006

Language:

english

File:

PDF, 4.18 MB

english, 2006

89

Magnetopiezoelectric effect and magnetocapacitance in

Gaydamak, T. N., Gudim, I. A., Zvyagina, G. A., Bilych, I. V., Burma, N. G., Zhekov, K. R., Fil, V. D.

Journal:

Physical Review B

Year:

2015

Language:

english

File:

PDF, 514 KB

english, 2015

90

XMM‐Newton Detection of Hard X‐Ray Emission in the Nitrogen‐Type Wolf‐Rayet Star WR 110

Skinner, Stephen L., Zhekov, Svetozar A., Gudel, Manuel, Schmutz, Werner

Journal:

The Astrophysical Journal

Year:

2002

Language:

english

File:

PDF, 218 KB

english, 2002

91

Antenna for Ultrawideband Channel Sounding

Zhekov, Stanislav Stefanov, Tatomirescu, Alexandru, Pedersen, Gert Frolund

Journal:

IEEE Antennas and Wireless Propagation Letters

Year:

2016

Language:

english

File:

PDF, 1.30 MB

english, 2016

92

Experimental investigation on the effect of user's hand proximity on a compact ultrawideband MIMO antenna array

Zhekov, Stanislav Stefanov, Tatomirescu, Alexandru, Foroozanfard, Ehsan, Pedersen, Gert Frølund

Journal:

IET Microwaves Antennas & Propagation

Year:

2016

Language:

english

File:

PDF, 956 KB

english, 2016

93

CHANDRA OBSERVATIONS OF SN 1987A: THE SOFT X-RAY LIGHT CURVE REVISITED

Helder, E. A., Broos, P. S., Dewey, D., Dwek, E., McCray, R., Park, S., Racusin, J. L., Zhekov, S. A., Burrows, D. N.

Journal:

The Astrophysical Journal

Year:

2013

Language:

english

File:

PDF, 622 KB

english, 2013

94

CHANDRA HETG OBSERVATIONS OF THE COLLIDING STELLAR WIND SYSTEM WR 147

Zhekov, Svetozar A., Park, Sangwook

Journal:

The Astrophysical Journal

Year:

2010

Language:

english

File:

PDF, 469 KB

english, 2010

95

A NEW EVOLUTIONARY PHASE OF SUPERNOVA REMNANT 1987A

Park, Sangwook, Zhekov, Svetozar A., Burrows, David N., Racusin, Judith L., Dewey, Daniel, McCray, Richard

Journal:

The Astrophysical Journal

Year:

2011

Language:

english

File:

PDF, 170 KB

english, 2011

96

XMM-NEWTON OBSERVATIONS REVEAL VERY HIGH X-RAY LUMINOSITY FROM THE CARBON-RICH WOLF-RAYET STAR WR 48a

Zhekov, Svetozar A., Gagné, Marc, Skinner, Stephen L.

Journal:

The Astrophysical Journal

Year:

2011

Language:

english

File:

PDF, 269 KB

english, 2011

97

[IEEE 2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC - Cairns, Australia (2016.9.19-2016.9.23)] 2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) - Design of a quasi-hemispherical UWB antenna

Zhekov, S. S., Tatomirescu, A., Franek, O., Pedersen, G. F.

Year:

2016

Language:

english

File:

PDF, 415 KB

english, 2016

98

Magnetodielectrical and magnetopiezoelectrical effects in NdFe 3 (BO 3 ) 4

Bilych, I. V., Zhekov, K. R., Gaydamak, T. N., Gudim, I. A., Zvyagina, G. A., Fil, V. D.

Journal:

Low Temperature Physics

Year:

2016

Language:

english

File:

PDF, 1.93 MB

english, 2016

99

Elastic constants of borocarbides. New approach to acoustic measurement technique

Masalitin, E. A., Fil’, V. D., Zhekov, K. R., Zholobenko, A. N., Ignatova, T. V., Lee, Sung-Ik

Journal:

Low Temperature Physics

Year:

2003

Language:

english

File:

PDF, 231 KB

english, 2003

100

CHANDRA OBSERVATIONS OF WR 147 REVEAL A DOUBLE X-RAY SOURCE

Zhekov, Svetozar A., Park, Sangwook

Journal:

The Astrophysical Journal

Year:

2010

Language:

english

File:

PDF, 351 KB

english, 2010