Kinetic Investigation of the Oxidative Thermal Decomposition of Levonorgestrel DOI Open Access
Amalia Ridichie, Adriana Ledeți, Fráncisc Péter

et al.

Processes, Journal Year: 2023, Volume and Issue: 11(11), P. 3210 - 3210

Published: Nov. 10, 2023

In this study, we have focused on studying the heterogenous degradation kinetics regarding decomposition of emergency contraceptive agent levonorgestrel (LNG), which is a second-generation synthetic progestogen that active component racemic mixture norgestrel. The processes pharmaceutical ingredient (API) were compared with ones obtained from model system containing API along excipients are found in commercialized formulation mass ratio 1:1 (LNGMIX), order to observe if stabilizing or destabilizing effect progestogen. To achieve this, following investigational methods used: FTIR (Fourier transform infrared) spectroscopy and thermal analysis (TG/DTG/DSC analysis). For kinetic analysis, data two main observed DTG curves used processed preliminary method, namely ASTM E698, isoconversional methods: Friedman Flynn–Wall–Ozawa. study revealed mechanisms both LNG LNGMIX complex, tablet.

Language: Английский

Alkylation of tetrazoles with 1-halomethyl-2-methoxydiazene 1-oxides DOI
С. В. Никитин, G. A. Smirnov

Russian Chemical Bulletin, Journal Year: 2023, Volume and Issue: 72(7), P. 1591 - 1597

Published: July 1, 2023

Language: Английский

Citations

2

CONCEPT OF THE FREEDOM AS A GRAVITATION TO IDENTITY OF THE SEARCHING (SUBJECT-COGNIZER) AND DESIRED (ESSENCE-COGNIZABLE) DOI Open Access

Maxim A. Garashchenko

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0

PSYCHOLOGICAL PROBLEMS OF SURVIVAL EFFECTIVENESS OF DENTAL PREVENTIVE KNOWLEDGE IN THE ADULT POPULATION DOI Open Access

S.B. Ulitovskiy,

О. В. Калинина

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0

SDG-6: WHAT ARE CRUCIAL TECHNOLOGICAL AREAS FOR RUSSIA TO ENSURE AVAILABILITY AND SUSTAINABLE MANAGEMENT OF WATER AND SANITATION FOR ALL DOI Open Access

Avrom D. Epstein,

В.А. Шкаредо,

Anglu Li

et al.

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0

ARTIFICIAL INTELLIGENCE AS A MEANS OF DEVELOPING LEARNER AUTONOMY IN FOREIGN LANGUAGE LESSONS DOI Open Access

Maria A. Lobach

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0

THE MAIN DIRECTIONS OF IMPROVING THE STATE PERSONNEL POLICY IN THE FIELD OF HEALTHCARE IN THE RUSSIAN FEDERATION DOI Open Access
O.V. Khodakova, Yulia Senotrusova

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0

THE CONCEPT OF INTELLECTUAL POTENTIAL OF AN ENTERPRISE: DEFINITION, ECONOMIC ESSENCE AND STRUCTURE DOI Open Access
С.Н. Ларин, E.Yu. Khrustalev

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0

HYBRIDIZATION OF INFORMATION WARFARE IN THE CONTEXT OF THE WEST-RUSSIA CONFRONTATION DOI Open Access

O.B. Serostanova,

E.A. Kujantseva

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0

STATE POLICY IN THE FIELD OF DEVELOPMENT AND SUPPORT OF LARGE FAMILIES IN RUSSIA DOI Open Access

A.V. Titova,

В. В. Титов

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0

IMPLEMENTATION OF THE INTERNATIONAL LEGAL PRINCIPLES OF THE ORGANIZATION OF LOCAL SELF- GOVERNMENT IN THE CIS COUNTRIES AT THE PRESENT STAGE DOI Open Access

Viktor P. Belousov,

Ю.В. Мишальченко

Published: Dec. 11, 2024

抽象的。 阐述了符拉迪沃斯托克自由港(FPV)运营经济模式概念的基本规 定。 主要关注形成经济模型作为分析和预测自由港发展工具的重要性,

Language: Английский

Citations

0