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1

LFER approach to the effects of neutral and anionic substituents on the νCO bands of ring_ substituted ethylbenzoates and acetophenones

I.G. Binev, P.J. Vassileva, Ts.M. Kolev, I.N. Juchnovski

Journal:

Journal of Molecular Structure

Year:

1984

Language:

english

File:

PDF, 205 KB

english, 1984

2

Vibrational assignment of benzophenone and some of its isotopic species in the solid phase

Ts. Kolev, B. Nikolova, B. Jordanov, I. Juchnovski

Journal:

Journal of Molecular Structure

Year:

1985

Language:

english

File:

PDF, 547 KB

english, 1985

3

Au(III)-complexes of the alanyl-containing peptides glycylalanine and glycylalanylalanine – Synthesis, spectroscopic and structural characterization

Ts. Kolev, B.B. Koleva, S.Y. Zareva, M. Spiteller

Journal:

Inorganica Chimica Acta

Year:

2006

Language:

english

File:

PDF, 726 KB

english, 2006

4

Mononuclear Au(III)-complexes with tryptophan-containing dipeptides: Synthesis, spectroscopic and structural elucidation

B.B. Koleva, Ts. Kolev, M. Spiteller

Journal:

Inorganica Chimica Acta

Year:

2007

Language:

english

File:

PDF, 170 KB

english, 2007

5

Oriented solids as a colloid suspension in nematic liquid crystal – New tool for IR-spectroscopic and structural elucidation of inorganic compounds and glasses

Ts. Kolev, B.B. Koleva, B. Schivachev

Journal:

Inorganica Chimica Acta

Year:

2008

Language:

english

File:

PDF, 668 KB

english, 2008

6

The dipeptide alanylphenylalanine (H-Ala-Phe-OH) – protonation and coordination ability with Au(III)

B.B. Koleva, Ts. Kolev, S.Y. Zareva, M. Spiteller

Journal:

Journal of Molecular Structure

Year:

2007

Language:

english

File:

PDF, 755 KB

english, 2007

7

Vibrational spectra and crystal structure of 2,2′-pyridildianil

Ts. Kolev, H. Preut, P. Bleckmann

Journal:

Spectrochimica Acta Part A: Molecular Spectroscopy

Year:

1992

Language:

english

File:

PDF, 89 KB

english, 1992

8

Recent ozone investigations over Bulgaria by remote sensing: Ground-based and satellite data

Ts.N. Gogosheva, V.N. Grigorieva, Ts.T. Evgenieva, B.D. Mendeva, N.I. Kolev, D.G. Krastev, B.H. Petkov

Journal:

Advances in Space Research

Year:

2009

Language:

english

File:

PDF, 404 KB

english, 2009

9

Intrinsic hyperpolarizability of 3-dicyanomethylene-5,5-dimethyl-1-[2-(4-hydroxyphenyl)ethenyl]-cyclohexene nanocrystallites incorporated into the photopolymer matrices

Ts. Kolev, I.V. Kityk, J. Ebothe, B. Sahraoui

Journal:

Chemical Physics Letters

Year:

2007

Language:

english

File:

PDF, 337 KB

english, 2007

10

1,10-Phenanthrolinium hydrogensquarate monohydrate—A non-centrosymmetric structure from two non-chiral agents

Ts. Kolev, B.B. Koleva, R. Nikolova, R.W. Seidel, H. Mayer-Figge, M. Spiteller, W.S. Sheldrick

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2009

Language:

english

File:

PDF, 840 KB

english, 2009

11

Infrared spectra and structure of carbanions. VI. Transmission of the substituent effects through a carbanionic center.

I.N. Juchnovski, I.G. Binev, Ts.M. Kolev

Journal:

Tetrahedron Letters

Year:

1976

Language:

english

File:

PDF, 189 KB

english, 1976

12

Investigation of squaric acid derivates

Z Glavcheva, Ts Kolev, I Glavchev

Journal:

Polymer Testing

Year:

2001

Language:

english

File:

PDF, 44 KB

english, 2001

13

FT-IR study of the nature and reactivity of surface NOx compounds formed after NO adsorption and NO + O2 coadsorption on zirconia- and sulfated zirconia-supported cobalt

B Tsyntsarski, V Avreyska, H Kolev, Ts Marinova, D Klissurski, K Hadjiivanov

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2003

Language:

english

File:

PDF, 233 KB

english, 2003

14

Some molybdenum-containing chelating ion-exchange resins (polyampholites) as catalysts for the epoxidation of alkenes by organic hydroperoxides

St.V Kotov, St Boneva, Ts Kolev

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2000

Language:

english

File:

PDF, 194 KB

english, 2000

15

Crystal structure and linear-dichroic infrared (IR-LD) spectral analysis of N,N′-diethyl-4-vinylbenzamidinium squarate

Ts. Kolev, B. B. Koleva, M. Emgenbroich, M. Spiteller, W. S. Sheldrick, H. Mayer-Figge

Journal:

Structural Chemistry

Year:

2006

Language:

english

File:

PDF, 431 KB

english, 2006

16

Infrared Spectra and Configuration of Anion Radical and Dianion of Benzil and Benzil- 18 o

Juchnovski, I. N., Kolev, Ts. M.

Journal:

Spectroscopy Letters

Year:

1986

Language:

english

File:

PDF, 417 KB

english, 1986

17

The radioactivity and the chemical nature of additives as factors determining the photocatalytic activity of TiO2

Maria M. Milanova, Petya G. Kovacheva, Radina P. Kralchevska, Jovo R. Kolev, Joana Ts. Zaharieva, Dimitar S. Todorovsky

Journal:

Central European Journal of Chemistry

Year:

2012

Language:

english

File:

PDF, 1.13 MB

english, 2012

18

Infrared Spectra of Phthalic Anhydride and Its 18 O Substituted Derivative

Juchnovski, I., Veltcheva, E., Kolev, Ts.

Journal:

Spectroscopy Letters

Year:

1993

Language:

english

File:

PDF, 415 KB

english, 1993

19

Infrared Study of Anthraquinone-Anion-Radical and its 18 0 Labelled Isomer

Juchnovski, I. N., Kolev, Ts. M.

Journal:

Spectroscopy Letters

Year:

1986

Language:

english

File:

PDF, 332 KB

english, 1986

20

Novel Styrylquinolinium Dye Thin Films Deposited by Pulsed Laser Deposition for Nonlinear Optical Applications

El Ouazzani, H., Dabos-Seignon, Sylvie, Gindre, D., Iliopoulos, K., Todorova, M., Bakalska, R., Penchev, P., Sotirov, S., Kolev, Ts., Serbezov, V., Arbaoui, A., Bakasse, M., Sahraoui, B.

Journal:

The Journal of Physical Chemistry C

Year:

2012

Language:

english

File:

PDF, 2.23 MB

english, 2012

21

Infrared Spectra of the Anion-Radicals of Benzophenone and Some of Its Isotopic Isomers

Juchnovski, I., Kolev, Ts., Rashkov, I.

Journal:

Spectroscopy Letters

Year:

1985

Language:

english

File:

PDF, 259 KB

english, 1985

22

Lidar and spectroradiometer measurements of atmospheric aerosol optical characteristics over an urban area in Sofia, Bulgaria

Evgenieva, Ts., Kolev, N. I., Ts. Iliev, I., Savov, Pl., Kaprielov, B. K., Devara, P. C. S., Kolev, I. N.

Journal:

International Journal of Remote Sensing

Year:

2009

Language:

english

File:

PDF, 1.73 MB

english, 2009

23

Infrared Spectra and Structure of the Anion-Radicals of Substituted Benzophenones

Juchnovski, I. N., Kolev, Ts. M.

Journal:

Spectroscopy Letters

Year:

1985

Language:

english

File:

PDF, 292 KB

english, 1985

24

Vibrational Spectra of 4-Benzoylpiridine and the 18 O Substituted Derivative

Kolev, Ts. M., Bleckmann, P.

Journal:

Spectroscopy Letters

Year:

1990

Language:

english

File:

PDF, 383 KB

english, 1990

25

The Vibrational Spectra of 9-Fluorenone and Some of Its Isotopic Isomers

Kolev, Ts. M., Juchnovski, I. N.

Journal:

Spectroscopy Letters

Year:

1991

Language:

english

File:

PDF, 398 KB

english, 1991

26

Infrared Spectra of Benzophenone-Ketyls. Effects of Meta- and Para-Substituents on the v C[dbnd]O Frequencies. Correlation Of v C[dbnd]O Of Substituted Benzophenone-ketyls With The Hueckel P C[dbnd]O Bond Order

Juchnovski, I., Kolev, Ts., Stamboliyska, B.

Journal:

Spectroscopy Letters

Year:

1993

Language:

english

File:

PDF, 407 KB

english, 1993

27

Two-dimensional fluid model of a two-chamber plasma source

Kolev, St, Shivarova, A, Tarnev, Kh, Tsankov, Ts

Journal:

Plasma Sources Science and Technology

Year:

2008

Language:

english

File:

PDF, 901 KB

english, 2008

28

Expanding hydrogen plasmas: photodetachment-technique diagnostics

Kiss'ovski, Zh, Kolev, St, Müller, S, Paunska, Ts, Shivarova, A, Tsankov, Ts

Journal:

Plasma Physics and Controlled Fusion

Year:

2009

Language:

english

File:

PDF, 429 KB

english, 2009

29

SPIE Proceedings [SPIE SPIE Proceedings - (Sunday 12 February 2012)] - Aerosol optical depth determined by lidar and spectrometer

Evgenieva, Tsvetina T., Kolev, Nikolay I., Iliev, Ilko Ts., Kaprielov, Boiko K., Kolev, Ivan N., Atanasov, Peter A., Dreischuh, Tanja N., Gateva, Sanka V., Kovachev, Lubomir M.

Year:

2012

Language:

english

File:

PDF, 1.51 MB

english, 2012

30

Vibrational Assignment of 2-Benzoyl Pyridine and its 18 O Labelled Isomer

Kolev, Ts. M., Bleckmann, P.

Journal:

Spectroscopy Letters

Year:

1989

Language:

english

File:

PDF, 494 KB

english, 1989

31

Vibrational Assignment of Di-2-Pyridyl Ketone and Its 18 O Labelled Isomer

Kolev, Ts. M., Bleckmann, P.

Journal:

Spectroscopy Letters

Year:

1989

Language:

english

File:

PDF, 544 KB

english, 1989

32

Effects of Neutral and Anionic Substituents on the Carbonyl Stretching Band of Substituted Benzophenones

Juchnovski, I. N., Kolev, Ts. M., Binev, I. G.

Journal:

Spectroscopy Letters

Year:

1981

Language:

english

File:

PDF, 419 KB

english, 1981

33

Vibrational Assignment of Benzil and Its 18 O Substituted Derivative

Kolev, Ts. M., Juchnovski, I. N.

Journal:

Spectroscopy Letters

Year:

1993

Language:

english

File:

PDF, 607 KB

english, 1993

34

Low-pressure inductive discharges

Kolev, St, Paunska, Ts, Shivarova, A, Tarnev, Kh

Journal:

Journal of Physics Conference Series

Year:

2007

Language:

english

File:

PDF, 303 KB

english, 2007

35

SPIE Proceedings [SPIE Fourier Transform Spectroscopy: Ninth International Conference - Calgary, Canada (Monday 23 August 1993)] 9th International Conference on Fourier Transform Spectroscopy - Fourier transform infrared polarization spectra of benzaldehyde, terephthaloaldehyde and terephthalophenone in nematic solutions

Jordanov, Bojidar, Nentchovska, R., Kolev, Ts., Bertie, John E., Wieser, Hal

Year:

1994

Language:

english

File:

PDF, 117 KB

english, 1994

36

AIP Conference Proceedings [AIP Publishing LLC 9TH INTERNATIONAL PHYSICS CONFERENCE OF THE BALKAN PHYSICAL UNION (BPU-9) - Istanbul, Turkey (24–27 August 2015)] - Measurements of total column ozone, precipitable water content and aerosol optical depth at Sofia

Kaleyna, P., Kolev, N., Savov, P., Evgenieva, Ts., Danchovski, V., Muhtarov, P.

Year:

2016

Language:

english

File:

PDF, 938 KB

english, 2016

37

Modeling the CO 2 dissociation in pulsed atmospheric-pressure discharge

Kolev, St, Paunska, Ts, Trenchev, G, Bogaerts, A

Journal:

Journal of Physics Conference Series

Year:

2020

File:

PDF, 1.40 MB

2020