192 research outputs found
ΠΡΠΎΠ»ΠΎΠ³ΡΡΠ½ΠΎ Π°ΠΊΡΠΈΠ²Π½Ρ ΡΠΏΠΎΠ»ΡΠΊΠΈ ΠΊΠΎΡΠ΅Π½Π΅Π²ΠΈΡ Iris hungarica
Species of Iris genus (Iridaceae) have a long history of traditional medicinal use in different countries as alternative aperient, tonic, cathartic, diuretic, gall bladder diseases, liver complaints, dropsy, purification of blood, venereal infections, fever, bilious infections and for a variety of heart diseases. The rhizomes of Iris are the rich source of the secondary metabolites, in which flavonoids predominate. The clinical studies of substances from irises gave positive results in the treatment of cancer, bacterial and viral infections. Continuing the search of new biologically active compounds from the plants of Iridaceae family for the first time three isoflavones that are new for this species β irigenin, iristectorigenin B and its glucoside iristectorin B have been isolated from the ethanolic extract of the rhizomes of Iris hungarica Waldst. et Kit., which is widespread in Ukraine. The structure of the compounds is described as 5,7,3β-trihydroxy-6,4β,5β-trimethoxyisoflavone, 5,7,4β-trihydroxy-6,3β-dimethoxyisoflavone and iristectorigenin B-7-O-Ξ²-D-glucoside, respectively. The compounds were obtained from the ethyl acetate fraction of the iris rhizomes by column chromatography on silica gel with sequential elution of the chloroform β ethanol solvent with different concentrations. The structure of the compounds has been determined by chemical and spectral methods and in comparison with the literature data.Π Π°ΡΡΠ΅Π½ΠΈΡ ΡΠΎΠ΄Π° Iris (Iridaceae) ΠΈΠΌΠ΅ΡΡ Π΄Π°Π²Π½ΡΡ ΠΈΡΡΠΎΡΠΈΡ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ Π² ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΠΎΠΉ ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Π΅ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΡΡΠ°Π½ ΠΊΠ°ΠΊ Π°Π»ΡΡΠ΅ΡΠ½Π°ΡΠΈΠ²Π½ΠΎΠ΅ ΡΠ»Π°Π±ΠΈΡΠ΅Π»ΡΠ½ΠΎΠ΅, ΡΠΎΠ½ΠΈΠ·ΠΈΡΡΡΡΠ΅Π΅, ΠΎΡΡ
Π°ΡΠΊΠΈΠ²Π°ΡΡΠ΅Π΅, ΠΌΠΎΡΠ΅Π³ΠΎΠ½Π½ΠΎΠ΅ ΡΡΠ΅Π΄ΡΡΠ²ΠΎ, Π΄Π»Ρ Π»Π΅ΡΠ΅Π½ΠΈΡ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉ ΠΆΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΠΏΡΠ·ΡΡΡ, ΠΏΠ΅ΡΠ΅Π½ΠΈ, Π²ΠΎΠ΄ΡΠ½ΠΊΠΈ, Π΄Π»Ρ ΠΎΡΠΈΡΠ΅Π½ΠΈΡ ΠΊΡΠΎΠ²ΠΈ, Π»Π΅ΡΠ΅Π½ΠΈΡ Π²Π΅Π½Π΅ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΉ, Π»ΠΈΡ
ΠΎΡΠ°Π΄ΠΊΠΈ, ΠΆΠ΅Π»ΡΠ½ΡΡ
ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΉ ΠΈ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉ ΡΠ΅ΡΠ΄ΡΠ°. ΠΠΎΡΠ½Π΅Π²ΠΈΡΠ° ΠΈΡΠΈΡΠΎΠ² ΡΠ²Π»ΡΡΡΡΡ Π±ΠΎΠ³Π°ΡΡΠΌ ΠΈΡΡΠΎΡΠ½ΠΈΠΊΠΎΠΌ Π²ΡΠΎΡΠΈΡΠ½ΡΡ
ΠΌΠ΅ΡΠ°Π±ΠΎΠ»ΠΈΡΠΎΠ², ΡΡΠ΅Π΄ΠΈ ΠΊΠΎΡΠΎΡΡΡ
ΠΏΡΠ΅ΠΎΠ±Π»Π°Π΄Π°ΡΡ ΡΠ»Π°Π²ΠΎΠ½ΠΎΠΈΠ΄Ρ. ΠΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π²Π΅ΡΠ΅ΡΡΠ² ΠΈΠ· ΠΈΡΠΈΡΠΎΠ² Π΄Π°Π»ΠΈ ΠΏΠΎΠ»ΠΎΠΆΠΈΡΠ΅Π»ΡΠ½ΡΠ΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΏΡΠΈ Π»Π΅ΡΠ΅Π½ΠΈΠΈ ΡΠ°ΠΊΠ°, Π±Π°ΠΊΡΠ΅ΡΠΈΠ°Π»ΡΠ½ΡΡ
ΠΈ Π²ΠΈΡΡΡΠ½ΡΡ
ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΉ. ΠΡΠΎΠ΄ΠΎΠ»ΠΆΠ°Ρ ΠΏΠΎΠΈΡΠΊ Π½ΠΎΠ²ΡΡ
Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈ Π°ΠΊΡΠΈΠ²Π½ΡΡ
ΡΠΎΠ΅Π΄ΠΈΠ½Π΅Π½ΠΈΠΉ ΠΈΠ· ΡΠ°ΡΡΠ΅Π½ΠΈΠΉ ΡΠ΅ΠΌΠ΅ΠΉΡΡΠ²Π° ΠΈΡΠΈΡΠΎΠ²ΡΠ΅ β Iridaceae ΠΈΠ· ΡΡΠ°Π½ΠΎΠ»ΡΠ½ΠΎΠ³ΠΎ ΡΠΊΡΡΡΠ°ΠΊΡΠ° ΠΊΠΎΡΠ½Π΅Π²ΠΈΡ ΠΈΡΠΈΡΠ° Π²Π΅Π½Π³Π΅ΡΡΠΊΠΎΠ³ΠΎ β Iris hungarica Waldst. Et Kit., ΠΊΠΎΡΠΎΡΡΠΉ ΡΠΈΡΠΎΠΊΠΎ ΡΠ°ΡΠΏΡΠΎΡΡΡΠ°Π½Π΅Π½ Π½Π° ΡΠ΅ΡΡΠΈΡΠΎΡΠΈΠΈ Π£ΠΊΡΠ°ΠΈΠ½Ρ, Π²ΠΏΠ΅ΡΠ²ΡΠ΅ Π²ΡΠ΄Π΅Π»Π΅Π½Ρ ΡΡΠΈ Π½ΠΎΠ²ΡΡ
Π΄Π»Ρ Π΄Π°Π½Π½ΠΎΠ³ΠΎ Π²ΠΈΠ΄Π° ΠΈΠ·ΠΎΡΠ»Π°Π²ΠΎΠ½ΠΎΠΈΠ΄Π°: ΠΈΡΠΈΠ³Π΅Π½ΠΈΠ½, ΠΈΡΠΈΡΡΠ΅ΠΊΡΠΎΡΠΈΠ³Π΅Π½ΠΈΠ½ Π ΠΈ Π΅Π³ΠΎ Π³Π»ΡΠΊΠΎΠ·ΠΈΠ΄ ΠΈΡΠΈΡΡΠ΅ΠΊΡΠΎΡΠΈΠ½ Π. Π‘ΡΡΡΠΊΡΡΡΠ° Π²Π΅ΡΠ΅ΡΡΠ² ΠΎΡ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΠΎΠ²Π°Π½Π° ΠΊΠ°ΠΊ 5,7,3β-ΡΡΠΈΠ³ΠΈΠ΄ΡΠΎΠΊΡΠΈ-6,4β,5β-ΡΡΠΈΠΌΠ΅ΡΠΎΠΊΡΠΈΠΈΠ·ΠΎΡΠ»Π°Π²ΠΎΠ½, 5,7,4β-ΡΡΠΈΠ³ΠΈΠ΄ΡΠΎΠΊΡΠΈ- 6,3β-Π΄ΠΈΠΌΠ΅ΡΠΎΠΊΡΠΈΠΈΠ·ΠΎΡΠ»Π°Π²ΠΎΠ½ ΠΈ ΠΈΡΠΈΡΡΠ΅ΠΊΡΠΎΡΠΈΠ³Π΅Π½ΠΈΠ½ Π-7-O-Ξ²-D-Π³Π»ΡΠΊΠΎΠΏΠΈΡΠ°Π½ΠΎΠ·ΠΈΠ΄, ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²Π΅Π½Π½ΠΎ. ΠΠ΅ΡΠ΅ΡΡΠ²Π° Π±ΡΠ»ΠΈ ΠΏΠΎΠ»ΡΡΠ΅Π½Ρ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΊΠΎΠ»ΠΎΠ½ΠΎΡΠ½ΠΎΠΉ Ρ
ΡΠΎΠΌΠ°ΡΠΎΠ³ΡΠ°ΡΠΈΠΈ Π½Π° ΡΠΈΠ»ΠΈΠΊΠ°Π³Π΅Π»Π΅ ΠΈΠ· ΡΡΠΈΠ»Π°ΡΠ΅ΡΠ°ΡΠ½ΠΎΠΉ ΡΡΠ°ΠΊΡΠΈΠΈ ΠΊΠΎΡΠ½Π΅Π²ΠΈΡ ΠΈΡΠΈΡΠ° ΠΏΡΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎΠΌ ΡΠ»ΡΠΈΡΠΎΠ²Π°Π½ΠΈΠΈ ΡΠ°ΡΡΠ²ΠΎΡΠΈΡΠ΅Π»Π΅ΠΌ Ρ
Π»ΠΎΡΠΎΡΠΎΡΠΌ β ΡΡΠ°Π½ΠΎΠ» ΡΠ°Π·Π»ΠΈΡΠ½ΠΎΠΉ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ. Π‘ΡΡΡΠΊΡΡΡΠ° Π²Π΅ΡΠ΅ΡΡΠ² ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½Π° Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠΌΠΈ ΠΈ ΡΠΏΠ΅ΠΊΡΡΠ°Π»ΡΠ½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΈ Π² ΡΡΠ°Π²Π½Π΅Π½ΠΈΠΈ Ρ Π»ΠΈΡΠ΅ΡΠ°ΡΡΡΠ½ΡΠΌΠΈ Π΄Π°Π½Π½ΡΠΌΠΈ.Π ΠΎΡΠ»ΠΈΠ½ΠΈ ΡΠΎΠ΄Ρ Iris (Iridaceae) ΠΌΠ°ΡΡΡ Π΄Π°Π²Π½Ρ ΡΡΡΠΎΡΡΡ Π·Π°ΡΡΠΎΡΡΠ²Π°Π½Π½Ρ Ρ ΡΡΠ°Π΄ΠΈΡΡΠΉΠ½ΡΠΉ ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Ρ ΡΡΠ·Π½ΠΈΡ
ΠΊΡΠ°ΡΠ½ ΡΠΊ Π°Π»ΡΡΠ΅ΡΠ½Π°ΡΠΈΠ²Π½ΠΈΠΉ ΠΏΡΠΎΠ½ΠΎΡΠ½ΠΈΠΉ, ΡΠΎΠ½ΡΠ·ΡΡΡΠΈΠΉ, Π²ΡΠ΄Ρ
Π°ΡΠΊΡΠ²Π°Π»ΡΠ½ΠΈΠΉ, ΡΠ΅ΡΠΎΠ³ΡΠ½Π½ΠΈΠΉ Π·Π°ΡΡΠ±, Π΄Π»Ρ Π»ΡΠΊΡΠ²Π°Π½Π½Ρ Π·Π°Ρ
Π²ΠΎΡΡΠ²Π°Π½Ρ ΠΆΠΎΠ²ΡΠ½ΠΎΠ³ΠΎ ΠΌΡΡ
ΡΡΠ°, ΠΏΠ΅ΡΡΠ½ΠΊΠΈ, Π²ΠΎΠ΄ΡΠ½ΠΊΠΈ, Π΄Π»Ρ ΠΎΡΠΈΡΠ΅Π½Π½Ρ ΠΊΡΠΎΠ²Ρ, Π²Π΅Π½Π΅ΡΠΈΡΠ½ΠΈΡ
ΡΠ½ΡΠ΅ΠΊΡΡΠΉ, Π»ΠΈΡ
ΠΎΠΌΠ°Π½ΠΊΠΈ, ΠΆΠΎΠ²ΡΠ½ΠΈΡ
ΡΠ½ΡΠ΅ΠΊΡΡΠΉ Ρ Π΄Π»Ρ Π»ΡΠΊΡΠ²Π°Π½Π½Ρ Π·Π°Ρ
Π²ΠΎΡΡΠ²Π°Π½Ρ ΡΠ΅ΡΡΡ. ΠΠΎΡΠ΅Π½Π΅Π²ΠΈΡΠ° ΡΡΠΈΡΡΠ² Ρ Π±Π°Π³Π°ΡΠΈΠΌ Π΄ΠΆΠ΅ΡΠ΅Π»ΠΎΠΌ Π²ΡΠΎΡΠΈΠ½Π½ΠΈΡ
ΠΌΠ΅ΡΠ°Π±ΠΎΠ»ΡΡΡΠ², ΡΠ΅ΡΠ΅Π΄ ΡΠΊΠΈΡ
ΠΏΠ΅ΡΠ΅Π²Π°ΠΆΠ°ΡΡΡ ΡΠ»Π°Π²ΠΎΠ½ΠΎΡΠ΄ΠΈ. ΠΠ»ΡΠ½ΡΡΠ½Ρ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ ΡΠ΅ΡΠΎΠ²ΠΈΠ½ ΡΠ· ΡΡΠΈΡΡΠ² Π΄Π°Π»ΠΈ ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΈ ΠΏΡΠΈ Π»ΡΠΊΡΠ²Π°Π½Π½Ρ ΡΠ°ΠΊΡ, Π±Π°ΠΊΡΠ΅ΡΡΠ°Π»ΡΠ½ΠΈΡ
Ρ Π²ΡΡΡΡΠ½ΠΈΡ
ΡΠ½ΡΠ΅ΠΊΡΡΠΉ. ΠΡΠΎΠ΄ΠΎΠ²ΠΆΡΡΡΠΈ ΠΏΠΎΡΡΠΊ Π½ΠΎΠ²ΠΈΡ
Π±ΡΠΎΠ»ΠΎΠ³ΡΡΠ½ΠΎ Π°ΠΊΡΠΈΠ²Π½ΠΈΡ
ΡΠΏΠΎΠ»ΡΠΊ Π· ΡΠΎΡΠ»ΠΈΠ½ ΡΠΎΠ΄ΠΈΠ½ΠΈ ΡΡΠΈΡΠΎΠ²Ρ β Iridaceae Π· Π΅ΡΠ°Π½ΠΎΠ»ΡΠ½ΠΎΠ³ΠΎ Π΅ΠΊΡΡΡΠ°ΠΊΡΡ ΠΊΠΎΡΠ΅Π½Π΅Π²ΠΈΡ ΡΡΠΈΡΡ ΡΠ³ΠΎΡΡΡΠΊΠΎΠ³ΠΎ β Iris hungarica Waldst. et Kit., ΠΏΠΎΡΠΈΡΠ΅Π½ΠΎΠ³ΠΎ Π½Π° ΡΠ΅ΡΠΈΡΠΎΡΡΡ Π£ΠΊΡΠ°ΡΠ½ΠΈ, Π²ΠΏΠ΅ΡΡΠ΅ Π²ΠΈΠ΄ΡΠ»Π΅Π½ΠΎ ΡΡΠΈ Π½ΠΎΠ²Ρ Π΄Π»Ρ Π΄Π°Π½ΠΎΠ³ΠΎ Π²ΠΈΠ΄Ρ ΡΠ·ΠΎΡΠ»Π°Π²ΠΎΠ½ΠΎΡΠ΄ΠΈ: ΡΡΠΈΠ³Π΅Π½ΡΠ½, ΡΡΠΈΡΡΠ΅ΠΊΡΠΎΡΠΈΠ³Π΅Π½ΡΠ½ Π Ρ ΠΉΠΎΠ³ΠΎ Π³Π»ΡΠΊΠΎΠ·ΠΈΠ΄ ΡΡΠΈΡΡΠ΅ΠΊΡΠΎΡΠΈΠ½ Π. Π‘ΡΡΡΠΊΡΡΡΠ° ΡΠ΅ΡΠΎΠ²ΠΈΠ½ ΠΎΡ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΠΎΠ²Π°Π½Π° ΡΠΊ 5,7,3β-ΡΡΠΈΠ³ΡΠ΄ΡΠΎΠΊΡΠΈ-6,4β,5β-ΡΡΠΈΠΌΠ΅ΡΠΎΠΊΡΡΡΠ·ΠΎΡΠ»Π°Π²ΠΎΠ½, 5,7,4β-ΡΡΠΈΠ³ΡΠ΄ΡΠΎΠΊΡΠΈ-6,3β- Π΄ΠΈΠΌΠ΅ΡΠΎΠΊΡΡΡΠ·ΠΎΡΠ»Π°Π²ΠΎΠ½ ΡΠ° ΡΡΠΈΡΡΠ΅ΠΊΡΠΎΡΠΈΠ³Π΅Π½ΡΠ½ Π-7-O-Ξ²-D-Π³Π»ΡΠΊΠΎΠΏΡΡΠ°Π½ΠΎΠ·ΠΈΠ΄, Π²ΡΠ΄ΠΏΠΎΠ²ΡΠ΄Π½ΠΎ. Π Π΅ΡΠΎΠ²ΠΈΠ½ΠΈ Π±ΡΠ»ΠΈ ΠΎΡΡΠΈΠΌΠ°Π½Ρ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΊΠΎΠ»ΠΎΠ½ΠΊΠΎΠ²ΠΎΡ Ρ
ΡΠΎΠΌΠ°ΡΠΎΠ³ΡΠ°ΡΡΡ Π½Π° ΡΠΈΠ»ΡΠΊΠ°Π³Π΅Π»Ρ Π· Π΅ΡΠΈΠ»Π°ΡΠ΅ΡΠ°ΡΠ½ΠΎΡ ΡΡΠ°ΠΊΡΡΡ ΠΊΠΎΡΠ΅Π½Π΅Π²ΠΈΡ ΡΡΠΈΡΡ ΠΏΡΠΈ ΠΏΠΎΡΠ»ΡΠ΄ΠΎΠ²Π½ΠΎΠΌΡ Π΅Π»ΡΡΠ²Π°Π½Π½Ρ ΡΠΎΠ·ΡΠΈΠ½Π½ΠΈΠΊΠΎΠΌ Ρ
Π»ΠΎΡΠΎΡΠΎΡΠΌ β Π΅ΡΠ°Π½ΠΎΠ» ΡΡΠ·Π½ΠΎΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΡΡ. Π‘ΡΡΡΠΊΡΡΡΠ° ΡΠ΅ΡΠΎΠ²ΠΈΠ½ Π²ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½Π° Ρ
ΡΠΌΡΡΠ½ΠΈΠΌΠΈ Ρ ΡΠΏΠ΅ΠΊΡΡΠ°Π»ΡΠ½ΠΈΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΡΠ° Ρ ΠΏΠΎΡΡΠ²Π½ΡΠ½Π½Ρ Π· Π»ΡΡΠ΅ΡΠ°ΡΡΡΠ½ΠΈΠΌΠΈ Π΄Π°Π½ΠΈΠΌΠΈ
Crisis condition as an object of enterprise crisis management
Π£ ΡΡΠ°ΡΡΡ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½ΠΎ ΠΎΡΠ½ΠΎΠ²Π½Ρ ΡΠ΅ΠΎΡΡΡ, ΡΠΊΡ ΡΠΎΠ·Π³Π»ΡΠ΄Π°ΡΡΡ ΠΊΡΠΈΠ·Ρ ΠΏΡΠ΄ΠΏΡΠΈΡΠΌΡΡΠ²Π° ΡΠΊ Π½Π΅Π³Π°ΡΠΈΠ²Π½ΠΈΠΉ ΡΠ° ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½ΠΈΠΉ ΠΏΡΠΎΡΠ΅Ρ. ΠΠΈΡΠ²Π»Π΅Π½ΠΎ ΡΠΈΠ½Π½ΠΈΠΊΠΈ, ΡΠΎ ΠΏΡΠΈΠ·Π²ΠΎΠ΄ΡΡΡ Π΄ΠΎ Π²ΠΈΠ½ΠΈΠΊΠ½Π΅Π½Π½Ρ ΠΊΡΠΈΠ·ΠΎΠ²ΠΈΡ
ΡΠΈΡΡΠ°ΡΡΠΉ. Π ΠΎΠ·Π³Π»ΡΠ½ΡΡΠΎ ΠΎΡΠΎΠ±Π»ΠΈΠ²ΠΎΡΡΡ Π·Π°ΡΠΎΠ΄ΠΆΠ΅Π½Π½Ρ ΡΠΈΠΊΠ»ΡΠ² Π·Π°ΠΏΠ°ΡΡΠ², Β«Π±ΡΠ·Π½Π΅Ρ-ΡΠΈΠΊΠ»ΡΠ²Β», Π±ΡΠ΄ΡΠ²Π΅Π»ΡΠ½ΠΈΡ
ΡΠΈΠΊΠ»ΡΠ², Β«Π΄ΠΎΠ²Π³ΠΈΡ
Ρ
Π²ΠΈΠ»ΡΒ», ΡΠΈΠΊΠ»ΡΠ² Π€ΠΎΡΡΠ΅ΡΡΠ΅ΡΠ° ΡΠ° ΡΠ°ΡΡΠΊΠΎΠ²ΠΈΡ
Π³ΠΎΡΠΏΠΎΠ΄Π°ΡΡΡΠΊΠΈΡ
ΡΠΈΠΊΠ»ΡΠ². Π£Π·Π°Π³Π°Π»ΡΠ½Π΅Π½ΠΎ ΡΡΠ½ΡΡΡΡ ΠΊΠ»Π°ΡΠΈΡΡΠΊΠ°ΡΡΡ ΠΊΡΠΈΠ·ΠΎΠ²ΠΈΡ
ΡΠ²ΠΈΡ. ΠΠΈΠ·Π½Π°ΡΠ΅Π½ΠΎ ΡΡΡΠ½ΡΡΡΡ Π°Π½ΡΠΈΠΊΡΠΈΠ·ΠΎΠ²ΠΎΠ³ΠΎ ΡΠΏΡΠ°Π²Π»ΡΠ½Π½Ρ ΠΏΡΠ΄ΠΏΡΠΈΡΠΌΡΡΠ²ΠΎΠΌ. ΠΡΠΎΠ°Π½Π°Π»ΡΠ·ΠΎΠ²Π°Π½ΠΎ Π½Π°ΡΠΊΠΎΠ²Ρ ΠΏΡΠ΄Ρ
ΠΎΠ΄ΠΈ, ΡΠΎ ΡΠΎΠ·Π³Π»ΡΠ΄Π°ΡΡΡ Π°Π½ΡΠΈΠΊΡΠΈΠ·ΠΎΠ²Π΅ ΡΠΏΡΠ°Π²Π»ΡΠ½Π½Ρ ΡΠΊ: ΡΠΏΡΠ°Π²Π»ΡΠ½Π½Ρ ΠΏΡΠ΄ΠΏΡΠΈΡΠΌΡΡΠ²ΠΎΠΌ Π² ΡΠΌΠΎΠ²Π°Ρ
Π·Π°Π³Π°Π»ΡΠ½ΠΎΡ ΠΊΡΠΈΠ·ΠΈ Π΅ΠΊΠΎΠ½ΠΎΠΌΡΠΊΠΈ (Π²ΡΠ°Ρ
ΠΎΠ²ΡΡΡΠΈ ΠΊΡΠΈΠ·ΠΈ Π³Π°Π»ΡΠ·Π΅Π²ΠΎΠ³ΠΎ ΡΠΏΡΡΠΌΡΠ²Π°Π½Π½Ρ); ΡΠΏΡΠ°Π²Π»ΡΠ½Π½Ρ ΠΏΡΠ΄ΠΏΡΠΈΡΠΌΡΡΠ²ΠΎΠΌ, ΡΠΊΠ΅ ΠΏΠΎΡΡΠ°ΠΏΠΈΠ»ΠΎ Π΄ΠΎ ΠΊΡΠΈΠ·ΠΈ ΡΠ΅ΡΠ΅Π· ΠΏΠΎΠ±ΡΠ΄ΠΎΠ²Ρ ΡΠΈΡΡΠ΅ΠΌΠΈ Π½Π΅Π·Π°Π΄ΠΎΠ²ΡΠ»ΡΠ½ΠΎΠ³ΠΎ ΠΌΠ΅Π½Π΅Π΄ΠΆΠΌΠ΅Π½ΡΡ Π½Π° ΠΏΡΠ΄ΠΏΡΠΈΡΠΌΡΡΠ²Ρ; ΡΠΏΡΠ°Π²Π»ΡΠ½Π½Ρ ΠΏΡΠ΄ΠΏΡΠΈΡΠΌΡΡΠ²ΠΎΠΌ Π½Π° ΠΌΠ΅ΠΆΡ Π±Π°Π½ΠΊΡΡΡΡΡΠ²Π°; ΡΠΏΡΠ°Π²Π»ΡΠ½Π½Ρ Π² ΠΏΠ΅ΡΡΠΎΠ΄ Π±Π°Π½ΠΊΡΡΡΡΡΠ²Π°.Π ΡΡΠ°ΡΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Ρ ΠΎΡΠ½ΠΎΠ²Π½ΡΠ΅ ΡΠ΅ΠΎΡΠΈΠΈ, ΠΊΠΎΡΠΎΡΡΠ΅ ΡΠ°ΡΡΠΌΠ°ΡΡΠΈΠ²Π°ΡΡ ΠΊΡΠΈΠ·ΠΈΡ ΠΊΠ°ΠΊ ΠΎΡΡΠΈΡΠ°ΡΠ΅Π»ΡΠ½ΡΠΉ ΠΈ ΠΏΠΎΠ»ΠΎΠΆΠΈΡΠ΅Π»ΡΠ½ΡΠΉ ΠΏΡΠΎΡΠ΅ΡΡ. ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Ρ ΡΠ°ΠΊΡΠΎΡΡ, ΠΊΠΎΡΠΎΡΡΠ΅ ΠΏΡΠΈΠ²ΠΎΠ΄ΡΡ ΠΊ Π²ΠΎΠ·Π½ΠΈΠΊΠ½ΠΎΠ²Π΅Π½ΠΈΡ ΠΊΡΠΈΠ·ΠΈΡΠ½ΡΡ
ΡΠΈΡΡΠ°ΡΠΈΠΉ. Π Π°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ Π²ΠΎΠ·Π½ΠΈΠΊΠ½ΠΎΠ²Π΅Π½ΠΈΡ ΡΠΈΠΊΠ»ΠΎΠ² Π·Π°ΠΏΠ°ΡΠΎΠ², Β«Π±ΠΈΠ·Π½Π΅Ρ-ΡΠΈΠΊΠ»ΠΎΠ²Β», ΡΡΡΠΎΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΡΠΈΠΊΠ»ΠΎΠ², Β«Π΄Π»ΠΈΠ½Π½ΡΡ
Π²ΠΎΠ»Π½Β», ΡΠΈΠΊΠ»ΠΎΠ² Π€ΠΎΡΡΠ΅ΡΡΠ΅ΡΠ° ΠΈ ΡΠ°ΡΡΠΈΡΠ½ΡΡ
Ρ
ΠΎΠ·ΡΠΉΡΡΠ²Π΅Π½Π½ΡΡ
ΡΠΈΠΊΠ»ΠΎΠ². ΠΠ±ΠΎΠ±ΡΠ΅Π½Ρ ΡΡΡΠ΅ΡΡΠ²ΡΡΡΠΈΠ΅ ΠΊΠ»Π°ΡΡΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΊΡΠΈΠ·ΠΈΡΠ½ΡΡ
ΡΠ²Π»Π΅Π½ΠΈΠΉ. ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π° ΡΡΡΠ½ΠΎΡΡΡ Π°Π½ΡΠΈΠΊΡΠΈΠ·ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΠ΅ΠΌ. ΠΡΠΎΠ°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Ρ Π½Π°ΡΡΠ½ΡΠ΅ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄Ρ, ΠΊΠΎΡΠΎΡΡΠ΅ ΡΠ°ΡΡΠΌΠ°ΡΡΠΈΠ²Π°ΡΡ Π°Π½ΡΠΈΠΊΡΠΈΠ·ΠΈΡΠ½ΠΎΠ΅ ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΠ΅ ΠΊΠ°ΠΊ: ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΠ΅ ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΠ΅ΠΌ Π² ΡΡΠ»ΠΎΠ²ΠΈΡΡ
ΠΎΠ±ΡΠ΅Π³ΠΎ ΡΠΊΠΎΠ½ΠΎΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΊΡΠΈΠ·ΠΈΡΠ° (Ρ ΡΡΠ΅ΡΠΎΠΌ ΠΊΡΠΈΠ·ΠΈΡΠ° ΠΎΡΡΠ°ΡΠ»Π΅Π²ΠΎΠ³ΠΎ Π½Π°ΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ); ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΠ΅ ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΠ΅ΠΌ, ΠΊΠΎΡΠΎΡΠΎΠ΅ ΠΏΠΎΠΏΠ°Π»ΠΎ Π² ΠΊΡΠΈΠ·ΠΈΡ Π² ΡΠ²ΡΠ·ΠΈ Ρ ΠΏΠΎΡΡΡΠΎΠ΅Π½ΠΈΠ΅ΠΌ ΡΠΈΡΡΠ΅ΠΌΡ Π½Π΅ΡΠ΄ΠΎΠ²Π»Π΅ΡΠ²ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΠΌΠ΅Π½Π΅Π΄ΠΆΠΌΠ΅Π½ΡΠ° Π½Π° ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΠΈ; ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΠ΅ ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΠ΅ΠΌ Π½Π° ΠΏΠΎΡΠΎΠ³Π΅ Π±Π°Π½ΠΊΡΠΎΡΡΡΠ²Π°; ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΠ΅ Π² ΠΏΠ΅ΡΠΈΠΎΠ΄ Π±Π°Π½ΠΊΡΠΎΡΡΡΠ²Π°.The basic theories, which consider the crisis as negative and positive process, are investigated in the article. The factors that lead to crises are determined. The features of the emergence of such cycles as cycles of stocks, Β«business cyclesΒ», the construction cycles, Β«long wavesΒ», Forrester cycles and partial economic cycles are researched. The existing classifications of the crisis are summarized. The essence of crisis management is given. The scientific approaches that consider crisis management are analyzed, such as management of an enterprise in the context of a general economic crisis (including the crisis of industry trends); management of an enterprise, which fell into crisis due to poor management system; management of an enterprise on the verge of bankruptcy; management during the bankruptcy period
ΠΠ°Π½Π΄ΡΠ°ΡΡΠ½ΠΈΠΉ Π΄ΠΈΠ·Π°ΠΉΠ½ ΡΠΊ Π·Π°Π΄Π°ΡΠ° Π³Π΅ΠΎΠ³ΡΠ°ΡΡΡ
Π ΠΎΠ·Π³Π»ΡΠ΄Π°ΡΡΡΡΡ Π΄Π΅ΡΠΊΡ ΠΏΡΠΎΠ±Π»Π΅ΠΌΠΈ Π»Π°Π½Π΄ΡΠ°ΡΡΠ½ΠΎΠ³ΠΎ Π΄ΠΈΠ·Π°ΠΉΠ½Ρ ΡΠΊ ΠΎΠ΄Π½ΠΎΠ³ΠΎ Π· Π½Π°ΠΏΡΡΠΌΠΊΡΠ² ΠΏΡΠ°ΠΊΡΠΈΡΠ½ΠΎΡ Π³Π΅ΠΎΠ³ΡΠ°ΡΡΡ. ΠΠ²ΡΠΎΡΠΈ ΡΡΠΎΡΡΡ Π½Π° ΠΏΠΎΠ·ΠΈΡΡΡ, Π·Π³ΡΠ΄Π½ΠΎ Π· ΡΠΊΠΎΡ Π»Π°Π½Π΄ΡΠ°ΡΡΠ½ΠΈΠΉ Π΄ΠΈΠ·Π°ΠΉΠ½ ΡΠΊ ΡΠΎΡΠΌΠ° ΠΏΠ»Π°Π½ΡΠ²Π°Π½Π½Ρ, ΠΎΡΠ½ΠΎΠ²Ρ ΡΠΊΠΎΠ³ΠΎ ΡΠΊΠ»Π°Π΄Π°Ρ ΡΠΎΠ·ΡΠΌΡΠ½Π½Ρ Π»Π°Π½Π΄ΡΠ°ΡΡΡ ΡΠΊ ΠΎΡΠ³Π°Π½ΡΠ·Π°ΡΡΡ ΠΌΠ°Π»ΡΠ½ΠΊΡ Π΄Π΅Π½Π½ΠΎΡ ΠΏΠΎΠ²Π΅ΡΡ
Π½Ρ, ΠΌΠ°Ρ Π²ΠΊΠ»ΡΡΠ°ΡΠΈ Π½Π΅ ΡΡΠ»ΡΠΊΠΈ ΠΏΠΈΡΠ°Π½Π½Ρ, ΠΏΠΎΠ²βΡΠ·Π°Π½Ρ Π· Π³ΠΎΡΠΏΠΎΠ΄Π°ΡΡΡΠΊΠΈΠΌ Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½ΡΠΌ ΡΡΡΡ ΡΠΈ ΡΠ½ΡΠΎΡ Π΄ΡΠ»ΡΠ½ΠΊΠΈ, Π°Π»Π΅ ΠΉ Π°ΡΠΏΠ΅ΠΊΡΠΈ, ΡΠΎ ΠΌΠ°ΡΡΡ Π²ΡΠ΄Π½ΠΎΡΠ΅Π½Π½Ρ Π΄ΠΎ Π΄ΡΡ
ΠΎΠ²Π½ΠΎΠ³ΠΎ ΠΊΠΎΠ½ΡΠ°ΠΊΡΡ
Π»ΡΠ΄ΠΈΠ½ΠΈ Π· ΡΡ Π΄ΠΎΠ²ΠΊΡΠ»Π»ΡΠΌ, ΡΠΎΠ±ΡΠΎ Π΅ΡΡΠ΅ΡΠΈΡΠ½Ρ, ΡΠ°ΠΊΡΠ°Π»ΡΠ½Ρ, Π΅ΠΌΠΏΠ°ΡΡΠΉΠ½Ρ, ΡΠΎΠΏΠΎΡΡΠ»ΡΠΉΠ½Ρ Π°ΡΠΏΠ΅ΠΊΡΠΈ ΡΠΎΡΠΎ, Π±Π΅Π· ΡΠΊΠΈΡ
Π½Π°Π²ΡΡΡ Π·ΠΎΠ²Π½ΡΡΠ½ΡΠΎ ΠΏΡΠΈΠ²Π°Π±Π»ΠΈΠ²Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½Ρ Π²ΠΈΡΠ²Π»ΡΡΡΡΡΡ ΡΠΏΡΡΡΠΎΡΠ΅Π½ΠΎΡ. Π ΠΎΠ·Π³Π»ΡΠ΄Π°ΡΡΡΡΡ Π΄Π΅ΡΠΊΡ ΠΏΡΠΈΠ½ΡΠΈΠΏΠΈ, ΡΠΎ ΡΠΊΠ»Π°Π΄Π°ΡΡΡ ΠΎΡΠ½ΠΎΠ²Ρ
Π»Π°Π½Π΄ΡΠ°ΡΡΠ½ΠΎΠ³ΠΎ Π΄ΠΈΠ·Π°ΠΉΠ½Ρ.
Some problems
of landscape design as one of the practical Geography directions are viewed. The authors position is that landscape
design as a form of planning based on understanding of landscape as a daytime surface picture organization,
must include not only questions related to the economic use of one or other area but also the aspects related to the spiritual
contact of human with its environment, that are aesthetic, sacral, empation, topophile aspects and some others,
without which even an outwardly attractive surface prove to be devastated. Some principles that make basis of landscape
design are viewed
A survey of scheduling problems with setup times or costs
Author name used in this publication: C. T. NgAuthor name used in this publication: T. C. E. Cheng2007-2008 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe
Bicriterion single machine scheduling with resource dependent processing times
Version of RecordPublishe
The comparison of solar-powered hydrogen closed-cycle system capacities for selected locations
The exhaustion of fossil fuels causes decarbonized industries to be powered by renewable energy sources and, owing to their intermittent nature, it is important to devise an efficient energy storage method. To make them more sustainable, a storage system is required. Modern electricity storage systems are based on different types of chemical batteries, electromechanical devices, and hydrogen power plants. However, the parameters of power plant components vary from one geographical location to another. The idea of the present research is to compare the composition of a solar-powered hydrogen processing closed-cycle power plant among the selected geographical locations (Russia, India, and Australia), assuming the same power consumption conditions, but different insolation conditions, and thus the hydrogen equipment capacity accordingly. The number of solar modules in an array is different, thus the required hydrogen tank capacity is also different. The comparison of equipment requires building an uninterrupted power supply for the selected geographical locations, which shows that the capacity of the equipment components would be significantly different. These numbers may serve as the base for further economic calculations of energy cost
Dynamic pricing with demand disaggregation for hotel revenue management
In this paper we present a novel approach to the dynamic pricing problem for hotel businesses. It includes disaggregation of the demand into several categories, forecasting, elastic demand simulation, and a mathematical programming model with concave quadratic objective function and linear constraints for dynamic price optimization. The approach is computationally efficient and easy to implement. In computer experiments
with a hotel data set, the hotel revenue is increased by about 6% on average in comparison with the actual revenue gained in a past period, where the fixed price policy was employed, subject to an assumption that the demand can deviate from the suggested elastic model. The approach and the developed software can be a useful tool for small hotels recovering from the economic consequences of the COVID-19 pandemic
Stable development of travel business in the Odessa region: Estimate using multivariate statistical analysis
The article examines the level of sustainable development of the travel business in the Odessa region of Ukraine. This level is evaluated as a latent indicator, which is characterized by a certain set of signs-symptoms. The methodology used for modeling is Partial Least Squares-Path Modelling (or PLS-PM) and the method Time-Wise Multi-Way Principal Component Analysis. This approach allowed us to identify and evaluate latent and explicit factors affecting the sustainable development of travel business in the Odessa region
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