Author = Lyazzat Bekbayeva
Computational Studies on the Thermodynamic and Kinetic Parameters of Unimolecular and Bimolecular Dissociation of Propylene Glycol Ethyl Ether in Binary 1-Butanol and Isobutanol Solvent Mixtures

Volume 66, Issue 1, January 2023, Pages 73-80

10.21608/ejchem.2022.121471.5448

Rima H. Al Omari; Khaldun M. Al Azzam; Mansour H. Almatarneh; Ahmad A. Ahmad; Asma M. Ghazzya; Asmaa Y. Alnajajrahb; Naeem M. Shalan; Nida O. Karameh; Lyazzat Bekbayeva; El-Sayed Moussa Negim


Nigella sativa L. as a potential natural product for the treatment of COVID-19

Volume 65, Issue 10, October 2022, Pages 141-151

10.21608/ejchem.2022.111517.5069

Khaldun Al Azzam; Rima Mohammad Al Omari; Adam aburoub; Lyazzat Bekbayeva; El-Sayed Moussa Negim; Hassan aboulenein


The Effect of Poly (Propylene Glycol – g – Styrene) on the Physicomechanical Properties of Unsaturated Polyester Resin

Volume 65, Issue 4, April 2022, Pages 715-722

10.21608/ejchem.2021.93860.4419

El-Sayed Moussa Negim; Lyazzat Bekbayeva; Galiya Irmukhametova; Abdasssalam Alfergani; Sergei N. Kalugin


An approach of quantum chemical methods for the development and substantiation of the structure of new piperidine compounds

Volume 64, Issue 9, September 2021, Pages 5143-5151

10.21608/ejchem.2021.69873.3537

Аssyl Boshkayeva; Galiya Sayakova; Lashyn Kiyekbayeva; Lyazzat Bekbayeva; Nurgul Dyusenova; Gulmira Akhmetova; Assem Mamurova; Aigul Akhmetova


Development of a methodology for the study of polymer wound coatings for application characteristics

Volume 64, Issue 4, April 2021, Pages 1957-1964

10.21608/ejchem.2020.34370.2718

Urkimbayeva P.I.; Koshkinbayev Zh.B.; Guzel Abilova; Kenessova Z.A.; Arailym Yessirkepova; Samenova N.O.; Lyazzat Bekbayeva


Effect of NCO/OH ratio on the physico-mechanical properties of polyurethane-polyurea hybrid spray coatings

Volume 63, Issue 11, November 2020, Pages 4503-4508

10.21608/ejchem.2020.23845.2416

El-Sayed Moussa Negim; Kymbat Omurbekova; Lyazzat Bekbayeva; Abdasssalam Abdelhafiz


Effect of Acrylic Acid on The Mechanical Properties of PVA/ Starch Blend Films

Volume 63, Issue 5, May 2020, Pages 1911-1919

10.21608/ejchem.2019.16125.1983

El-Sayed Moussa Negim; Bakytzhanuly B; Urkimbaeva P.I.; Lyazzat Bekbayeva; Muhammad B.H.O.; Mohamad Nasir Mohamad; Galiya Irmukhametova; Mun G.A.


Modification of Chitosan as Chemical Admixture for Cement Pastes

Volume 63, Issue 4, April 2020, Pages 1497-1508

10.21608/ejchem.2019.18136.2107

Lyazzat Bekbayeva; El-Sayed Moussa Negim; G Yeligbayeva; Eshmaiel Ganjian