Excitations from localized states to the conduction band account for the absorption edge shift toward lower energies observed in the case of N/TiO_2 with respect to pure TiO_2.Mixture of visible light absorption of nitrogen doping and oxygen defect gave no obvious onset in the whole range between 400 and 800nm were observed of the samples N/TiO_(2-)A and N/TiO_(2-)M.

UV-VIS-DRS分析摻雜N/TiO_2結果表明欧美激情久久，N/TiO_2-H和N/TiO_2-T兩種催化劑在490nm處有吸收帶邊国产福利院精品，可見光激發(fā)途徑是摻雜的N以填隙方式形成的雜質(zhì)能級吸收電子發(fā)生的躍遷引起的；而N/TiO_2-A和N/TiO_2-M兩種方法得到的N/TiO_2在整個可見光區(qū)域內(nèi)具有可見光吸收国产AV无码AV一区，沒有顯著的可見光吸收帶邊欧美性爱视频在线观看鲁片，其對可見光的激發(fā)途徑是摻雜N和氧空缺共同作用的結果。

Short-term rapid atrial pacing had little effects on intra-atrial conduction, sinus node function, and AVN conduction.

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Before operation and after eight-week pacing,the artial effective refractory period dispersion, intra-atrial conduction time and atrial muscle conduction velocity were measured in each group.

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Results after eight- week rapid atrial pacing,the aerpd was significantly decreased,the intra-atrial conduction time was shortened and the atrial muscle conduction velocity was significantly increased in the treatment group compared with control group.

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Water inside vacuum heat- collection tubes; since the hot medium inside vacuum tubes floats up and cold one goes down due to respective specific gravity, hot and cold mediums convections up and down to cause the heat conduction, furthermore transfer the heat to the related working medium in the heat tubes, the working medium sorbs the potential heat and becomes steam to rise up to the condensing section from the tube heat evaporating section; it emits the heat in condensing section to change again into liquid working medium; it flows back to evaporating section under the gravity action, the emitted heat is transferred into the water inside water tank or tube group by means of the heat-conduction through heat tubes condensing section; it makes the cold water in water tank into hot water in the repeated way.

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The heat conduction model of the PE fuel with the surface melting and pyrolyzing is developed for the H2O2-PE hybrid rocket motor. Combining with the energy fluxes balance above fuel surface, the simulation and calculation of transient heat conduction of the PE fuel with liquid layer while melting and pyrolyzing are considered by use of the moving coordinates.

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The MCV(motor-nerve conduction velocity)of median,ulnar,tibial and peroneal nerves and the SCV(sensore-nerve conduction velocity)of median,ulnar and peroneus super nerves were examined respectively.

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The ionic conduction of La2Mo2O9 was predominant with the electronic transference number less than 0.05 above an oxygen partial pressure of about p O2=10-7Pa at 700 ℃, and below this pressure the electronic conduction became obvious.

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In the filed of thermal conduction,traditional meso-mechanics model are mainly based on particle of typical geometry such as sphere or ellipsoid,and a generally adopted premise is the assumption of perfect contact conditions at constituent interfaces.The literature on composite materials lacks today a proper theoretical framework permitting a thorough study of the conduction problem for composites with particles of irregular geometry such as polygon or arbitrary shape in the presence of a thermal contact resistance.

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Each had the followings measured: the antegrade Wenckebach point and 2:1 conduction point and the effective refractory period. Adenosine triphosphate was given intravenously at the time of atrium pacing until the dose of ATP reaches 0.30 mg/kg or the antegrade conduction of the AVN was blocked.

選擇19例預激綜合征行射頻消融術后且房室結前傳文氏點等于或大于150次/分的患者，測量房室結前傳功能（前傳文氏點亚洲色欲色欲天天天、2：1點）和有效不應期亚洲专区在线观看无码，在心房起搏時靜脈推注ATP，直至0.30 mg/kg或出現(xiàn)房室前傳阻斷肏屄直接看。