Effects of hibernation on dental tissues: A sem analytical study
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Hibernation
Ground squirrel
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In order to research the inflience of the ambient temperature on animals during hibernation,we used iButtons to monitor the body temperatures in winter,hibernation patterns and energy consumption of Daurian ground squirrels under different ambient temperature((5±2)℃,(15±2)℃,(25±2)℃)in laboratory.Under different ambient temperature,the hibernation patterns and energy consumption in Daurian ground squirrels were significantly diversified.At 5℃,animals all showed deep hibernation.At 15℃,both deep hibernation and short hibernation were showed.At 25℃,the more deep hibernation and the lesss no hibernation were behaved.When the temperatuer was at 5℃,15℃and25℃during hibernation,the total energy consumption was respectively(3 722±217.82)kJ,(18 907±2 895.07)kJ and(30 542±2 146.40)kJ.The diversity was significant(F(2,22)=45.198,P=00.01).From the view of energetics,the high ambient temperature is not conducive to spend winter for hibernation animals in hibernation season.
Hibernation
Energetics
Ground squirrel
Torpor
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Influence of the conditions of artificial hibernation on the content of ATP, ADP, AMP, cAMF in the blood and liver of rats is studied. It is established, that the entering and stay of animals in the conditions of artificial hibernation is accompanied by a decrease of the content of ADP and P(l). The animal coming out of the condition of artificial hibernation is accompanied by an increase of the content of ATP and cAMP and achievement in twenty-four hours of the level of monitoring values.
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Porous SiC Ceramics with Multiple Pore Structure Fabricated via Gelcasting and Solid State Sintering
Porous SiC ceramics with multiple pore structures were fabricated via gelcasting and solid state sintering.A novel gelling agent of Isobam was applied and PMMA was used as both foam stabilizer and pore forming agent.The mechanical properties of porous SiC ceramics were investigated as functions of PMMA content, rotating speed of ball mill, and sintering temperature.With PMMA content increasing from 5wt% to 20wt%, the foaming effect was inhibited while the stability of bubbles increased.When the rotating speed was 220 r/min, the open porosities of the as-prepared SiC ceramics sintered at 2100 varied ℃ from 51.5% to 72.8%, and compressive strength varied from 7.9 to 48.2 MPa.With the rotating speed increasing from 220 to 280 r/min, the foaming effect was aggravated and the porosities of SiC ceramics sintered at 2100 increased.℃ While the sintering temperature increasing from 2050 to 2150 , ℃ the SiC ceramics prepared with PMMA content of 20wt% at rotating speed of 220 r/min decreased in the open porosities while increased in compressive strength.
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Hibernation
Ground squirrel
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Synthesis intensity and a spectrum of synthetized proteins of blood plasma in the gophers at different hibernation stages (hibernation, awakening, being awake) were studied. It is established that the organism of hibernating animals has a constant concentration of plasma proteins during the whole period of the winter hibernation. Selective activation of synthesis of certain groups of plasma proteins is observed at different stages of hibernation in gophers and certain amount of specific proteins appear.
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Бұл зерттеужұмысындaКaно моделітурaлы жәнеоғaн қaтыстытолықмәліметберілгенжәнеуниверситетстуденттерінебaғыттaлғaн қолдaнбaлы (кейстік)зерттеужүргізілген.АхметЯссaуи университетініңстуденттеріүшін Кaно моделіқолдaнылғaн, олaрдың жоғaры білімберусaпaсынa қоятынмaңыздытaлaптaры, яғнисaпaлық қaжеттіліктері,олaрдың мaңыздылығытурaлы жәнесaпaлық қaжеттіліктерінеқaтыстыөз университетінқaлaй бaғaлaйтындығытурaлы сұрaқтaр қойылғaн. Осы зерттеудіңмaқсaты АхметЯсaуи университетіндетуризмменеджментіжәнеқaржы бaкaлaвриaт бaғдaрлaмaлaрыныңсaпaсынa қaтыстыстуденттердіңқaжеттіліктерінaнықтaу, студенттердіңқaнaғaттaну, қaнaғaттaнбaу дәрежелерінбелгілеу,білімберусaпaсын aнықтaу мен жетілдіружолдaрын тaлдaу болыптaбылaды. Осы мaқсaтқaжетуүшін, ең aлдыменКaно сaуaлнaмaсы түзіліп,116 студенткеқолдaнылдыжәнебілімберугежәнеоның сaпaсынa қaтыстыстуденттердіңтaлaптaры мен қaжеттіліктерітоптықжұмыстaрaрқылыaнықтaлды. Екіншіден,бұл aнықтaлғaн тaлaптaр мен қaжеттіліктерКaно бaғaлaу кестесіменжіктелді.Осылaйшa, сaпa тaлaптaры төрт сaнaтқa бөлінді:болуытиіс, бір өлшемді,тaртымдыжәнебейтaрaп.Соңындa,қaнaғaттaну мен қaнaғaттaнбaудың мәндеріесептелдіжәнестуденттердіңқaнaғaттaну мен қaнaғaттaнбaу деңгейлерінжоғaрылaту мен төмендетудеосытaлaптaр мен қaжеттіліктердіңрөліaйқын aнықтaлды.Түйінсөздер:сaпa, сaпaлық қaжеттіліктер,білімберусaпaсы, Кaно моделі.
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