9 research outputs found
ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠΎΡΡΠ°Π²Π° ΠΈ ΡΠ²ΠΎΠΉΡΡΠ² Π½Π΅ΡΡΠ΅ΠΉ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΠΉ ΠΠ°ΠΏΠ°Π΄Π½ΠΎΠΉ Π‘ΠΈΠ±ΠΈΡΠΈ
Π Π΄Π°Π½Π½ΠΎΠΉ ΡΠ°Π±ΠΎΡΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π² ΠΎΠ±Π»Π°ΡΡΠΈ ΡΠΎΡΡΠ°Π²Π° ΠΈ ΡΠ²ΠΎΠΉΡΡΠ² Π²ΡΡΠΎΠΊΠΎΠΏΠ°ΡΠ°ΡΠΈΠ½ΠΈΡΡΡΡ
Π½Π΅ΡΡΠ΅ΠΉ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΠΉ ΠΠ°ΠΏΠ°Π΄Π½ΠΎΠΉ Π‘ΠΈΠ±ΠΈΡΠΈ. Π¦Π΅Π»Ρ ΡΠ°Π±ΠΎΡΡ: ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠΈΠ·ΠΈΠΊΠΎ-Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² Π½Π΅ΡΡΠΈ ΡΠΎ Π²ΡΠ΅ΠΌΠ΅Π½Π΅ΠΌ ΡΠΊΡΠΏΠ»ΡΠ°ΡΠ°ΡΠΈΠΈ ΡΠΊΠ²Π°ΠΆΠΈΠ½ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΠΉ ΠΠ°ΠΏΠ°Π΄Π½ΠΎΠΉ Π‘ΠΈΠ±ΠΈΡΠΈ, Π΄Π»Ρ Π²ΡΠ±ΠΎΡΠ° Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ Π²ΡΠ³ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π° ΡΡΠ°Π½ΡΠΏΠΎΡΡΠΈΡΠΎΠ²ΠΊΠΈ. ΠΠ»Ρ Π΄ΠΎΡΡΠΈΠΆΠ΅Π½ΠΈΡ ΠΏΠΎΡΡΠ°Π²Π»Π΅Π½Π½ΠΎΠΉ ΡΠ΅Π»ΠΈ ΠΈΠ·ΡΡΠΈΠ»ΠΈ Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠΎΡΡΠ°Π², ΠΏΡΠΎΠΌΡΡΠ»ΠΎΠ²ΡΡ ΠΏΠΎΠ΄Π³ΠΎΡΠΎΠ²ΠΊΡ Π½Π΅ΡΡΠΈ, ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π»ΠΈ ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ, Π²ΠΎΠ·Π½ΠΈΠΊΠ°ΡΡΠΈΠ΅ ΠΏΡΠΈ ΠΏΠ΅ΡΠ΅ΠΊΠ°ΡΠΊΠ΅ ΠΈ ΡΠΏΠΎΡΠΎΠ±Ρ ΡΡΠ°Π½ΡΠΏΠΎΡΡΠΈΡΠΎΠ²ΠΊΠΈ ΠΏΠ°ΡΠ°ΡΠΈΠ½ΠΈΡΡΠΎΠΉ Π½Π΅ΡΡΠΈ, ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΠΈΠ·ΠΈΠΊΠΎ β Ρ
ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΏΠ°ΡΠ°ΡΠΈΠ½ΠΈΡΡΡΡ
Π½Π΅ΡΡΠ΅ΠΉ ΠΠ΅ΡΡ
Π½Π΅-Π‘Π°Π»Π°ΡΡΠΊΠΎΠ³ΠΎ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ ΡΠΊΡΠΏΠ»ΡΠ°ΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠΉ ΡΠΊΠ²Π°ΠΆΠΈΠ½Ρ β 123.The purpose of the work: study of changes in physical and chemical properties of oil over the time of operation of wells of fields of Western Siberia, in order to choose the most profitable method of transportation. In order to achieve this goal, the chemical composition, field preparation of oil were studied, problems arising during pumping and methods of transportation of paraffinic oil were considered, changes in physical and chemical properties of paraffinic oils of the Verkhne-Salatskoye field of production well No. 123 were investigated
Spontaneous Abortion and Preterm Labor and Delivery in Nonhuman Primates: Evidence from a Captive Colony of Chimpanzees (Pan troglodytes)
Preterm birth is a leading cause of perinatal mortality, yet the evolutionary history of this obstetrical syndrome is largely unknown in nonhuman primate species.We examined the length of gestation during pregnancies that occurred in a captive chimpanzee colony by inspecting veterinary and behavioral records spanning a total of thirty years. Upon examination of these records we were able to confidently estimate gestation length for 93 of the 97 (96%) pregnancies recorded at the colony. In total, 78 singleton gestations resulted in live birth, and from these pregnancies we estimated the mean gestation length of normal chimpanzee pregnancies to be 228 days, a finding consistent with other published reports. We also calculated that the range of gestation in normal chimpanzee pregnancies is approximately forty days. Of the remaining fifteen pregnancies, only one of the offspring survived, suggesting viability for chimpanzees requires a gestation of approximately 200 days. These fifteen pregnancies constitute spontaneous abortions and preterm deliveries, for which the upper gestational age limit was defined as 2 SD from the mean length of gestation (208 days).The present study documents that preterm birth occurred within our study population of captive chimpanzees. As in humans, pregnancy loss is not uncommon in chimpanzees, In addition, our findings indicate that both humans and chimpanzees show a similar range of normal variation in gestation length, suggesting this was the case at the time of their last common ancestor (LCA). Nevertheless, our data suggest that whereas chimpanzees' normal gestation length is βΌ20-30 days after reaching viability, humans' normal gestation length is approximately 50 days beyond the estimated date of viability without medical intervention. Future research using a comparative evolutionary framework should help to clarify the extent to which mechanisms at work in normal and preterm parturition are shared in these species
Sex-specific effects of dietary fatty acids on saliva cortisol and social behavior in guinea pigs under different social environmental conditions
Urinary androgens and cortisol metabolites in field-sampled bonobos (<i>Pan paniscus</i>)
Urinarymetabolites of androgens and cortisol were measured in free-living male and female bonobos. Sex differences and correlations between adrenal and gonadal steroid excretion were investigated. The immunoreactive concentrations of androgens were measured with two different androgen assays. One assay used a testosterone (T) antibody raised with a 17Ξ²-hydroxy group, and the other employed an antibody raised against a reduced form, 5Ξ±-androstane-17Ξ±-ol-3-one-CM (17Ξ±) with cross reactivity for epitestosterone and 5Ξ±-androstanedione. Both assays have been used in bonobo and chimpanzee studies where non-invasive techniques were employed. The levels of 17Ξ±-androgenmetabolites were 1.7- and 3-fold higher than those of T-metabolites in males and females. The two androgen assay results correlated in males but not females. There was a sex difference in the T-metabolites measured. Male levels were significantly higher. Levels of 17Ξ± in the two sexes were similar. Cortisolmetabolite levels (CORT) were similar between the sexes. The T-metabolites were significantly correlated with CORT in males but not in females. In females, the 17Ξ±-androgenmetabolites correlated with CORT. This suggests that either androgen secretion or metabolism differs between the sexes. A parsimonious interpretation of the androgen assay cortisol/androgen correlation differences would be that larger components of dehydroepiandrosterone (DHEA), androstenedione or epitestosterone from the adrenal androgens were being excreted and measured in the females. The CORT/T metabolite interactions in males may reflect male-specific social or metabolic endocrine conditions