激發性電位 的英文怎麼說
中文拼音 [jīfāxìngdiànwèi]
激發性電位
英文
evoked potential- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 發 : 名詞(頭發) hair
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
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The membrane excitability of pc12 cells in experimental group is enhanced after 6d ' s culture as action potential can be elicited by depolarizing stimulus
培養6天,試驗組pc細胞的膜興奮性提高,可在去極化刺激下發生動作電位樣的膜電位改變。The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space
環形激光陀螺儀( ringlasergyro ,簡稱rlg )是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器,它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性空間的轉速和方位。Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils
其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本方程及其邊界條件出發,應用無旋磁場的標量磁位概念,建立了端面搖擺式電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各方面性質,對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes
本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模式;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。In this thesis, we demonstrate the study of si - based light emitting materials and its importance in si - based photonics integration. we discussed mainly the gain, differential gain, threshold current of si - based quantum - dot laser and the dependence of threshold current on temperature from discrete energy level of three - dimension confined quantum - dot and state density distribution of 5 - function
本文闡述了si基光發射材料的研究進展及它在硅基光電子集成中的重要地位,從三維受限量子點的分立能級和函數狀的態密度分佈入手,著重討論了si基量子點激光器的增益、微分增益、閾值電流及閾值電流的溫度特性。Thus, erp is a summation of several electro - physiological subprocesses ( components ), which can be mainly divided into two categories, stimulus - related exogenous potential and psychological process related endogenous potential. taking advantage of statistical analysis, spatiotemporal overlapped erp components can be extracted
Erp體現著在腦的各個部位隨時間變化的電生理活動(成分)的總和,主要分為與刺激相關的外因性誘發電位和與刺激無關與認知等心理過程相關的內因性電位。Because of the resonant interaction between the reb electrons and the wave excitated by the embp instability, the reb electrons cannot transport continuously, but in form of current clumps. the transport velocity is close to the phase velocity of the wave
因為embp不穩定性所激發的波和束流電子之間的共振相互作用,束流電子不是連續地傳播,而是以電流團的形式傳播,傳國防科技大學研究生院學位論文播速度接近於波的相速度。The contribution to the giant resonances from the currents of vector mesons are also examined, it shows that currents of vector mesons play an important role in collective giant resonances. by studying the properties of collective multipole excitations of nuclei, a general conclusion is that those effective lagrangians recently developed can well describe not only the nuclear ground state properties of finite nuclei, stable and unstable ones up to the nuclei drip lines, but also the collective excited states and giant resoancnes in doubly closed shell nuclei
通過對核的電多極巨共振性質的研究,我們發現現有的這些非線性的有效相互作用不但能夠很好地描述有限核的基態性質,包括球形和變形核以及遠離穩定線核,而且對一些雙滿殼核的集體激發態和巨共振性質也能進行合理地解釋,包括巨共振峰的位置和中心能量。Intra - operative monitoring of cortically recorded somatosensory evoked potentials ( seps ) by peripheral nerve stimulation is of value during orthopaedic surgery and is the state - of - the - art in terms of non - invasiveness, versatility, time requirement, lateral discrimination, and ease of electrode placement
通過外周神經刺激由皮質記錄的體感誘發電位的術中監測在骨科手術中具有重要價值,具有非侵襲性,多功能,需時,側方識別,容易電極插入等優點。Chang cheh s contribution to hong kong and chinese cinema has long been assured, and the influence of his works is still felt. we admire him for his cinematic style and integrity, and we are grateful for his legacies which have now become part of our cherished memory and have never failed to inspire us. he is, by any definition, a master of our time
誠然,張徹先生在香港和中國的電影史上,有極其重要和肯定性的地位,其作品所發揮的影響力更是無遠弗屆,我們深深敬佩張徹先生的電影風格和風骨,感激他曾經拍攝出不少永垂不朽的電影,成為我們的典範,也留給我們永恆的美好回憶,實不愧為一代電影宗師。The report covered the clinic summary on gamma knife curing 88 obstinate epilepsy from oct. 1997 to oct. 1999 and cited resonance scanning of magnetism, video image monitor electroencephalogram, diapauses spect and exciton spect for spilepsy diagnosis and targets used and irradiation and curative effect
匯報1997年10月至1999年10月,應用伽瑪刀治療88例頑固性癲癇的初步臨床工作總結,介紹88例患者根據臨床發作類型,磁共振掃描,視像監測腦電圖,間歇期spect及激發期spect進行至癇灶定位。The pathological diagnosis should include : ( 1 ) the electromyographic ( emg ) recording and ultrasound imaging of local twitch responses ( ltrs ), ( 2 ) the emg recording of spontaneous electrical activity ( endplate noise ) at multiple active loci in the mtrp, and ( 3 ) the biopsies of mtrp that show contraction knots and giant round muscle fibers
病理學的診斷應該包括: ( 1 )局部抽搐反應的肌電圖記錄與超音波影像, ( 2 )在肌筋膜激痛點里的多發性活動性小點上之自發性電位活動(終板雜訊)的肌電圖紀錄, ( 3 )肌筋膜激痛點的切片檢查顯現出收縮結節和大而圓的肌肉纖維。Researches in this thesis aim to develop active health monitoring technology and use a diagnostic technique based on a built - in network of piezoelectric actuators and sensors was proposed for detecting the location and size of an damage in isotropic - plates
本文研究的目的在於開發一個主動的健康監測系統,用壓電激勵器和傳感器的嵌入網路診斷技術,來檢測各向同性板中損傷的位置和尺寸。Objectie. to ealuate the usefulness of intraoperatie spinal cord monitoring with transcranial electric motor - eoked potentials for prediction of the occurrence of segmental motor paralysis after cerical laminoplasty
目的:評估術中應用經顱電刺激運動誘發電位方法進行脊髓監護來預測頸椎板成形術后節段性運動癱發生的價值。Study design. intraoperatie neurophysiologic monitoring with transcranial electric motor - eoked potentials was performed on patients who underwent cerical laminoplasty at a uniersity hospital in a prospectie study
研究設計:在一所大學醫院對施行頸椎板成形術的患者術中應用經顱電刺激運動誘發電位進行神經生理監測的一項前瞻性研究。Using this system, we have studied matrine - inhibittory effect and trifluoperation - neuroprotection effect in hippocampal slices, also discussed the mechanism of long - term potentiation using anesthetic rats. the experiment results showed that matrine can inhibit the hyperactivity induced by penicillin sodium in dosage by changing the relative parameters of field potential ; trifluoperation can alter ps change with the time, enhance the degree and the ratio of ps recovery, then minis the hypoxic injury ; high frequency stimulate can increase ps amplitude and epsp slope for long time, buildup the in / out function of nerve cells, and enhance synaptic plasticity
結果表明,苦參堿能夠劑量依賴性地抑制青霉素誘導的神經元順向信號傳導激活過程,使細胞外記錄到的場電位各個參數發生相應改變;三氟拉嗪可以改變ps的時相變化,提高ps的恢復程度和恢復率,減小了神經元因缺氧引起的不可逆損傷;高頻刺激( highfrequencystimulate , hfs )可以長時間的增強ps的幅度和epsp的斜率,進而增強神經元的輸入輸出功能,增加了突觸的可塑性。The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k
( 1 )對于光譜標鋼準樣品,當激光器工作電壓為1600v 、氬氣壓力為600乇時,譜線強度達到最大,並且在相同壓強下,氬氣中的等離子體與空氣中的等離子體相比,其輻射強度明顯增強;氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍,而等離子體溫度卻下降了近1000k ,即等離子體溫度隨環境氣壓的增大而增大;當激光束的焦斑在樣品表面上下移動時,激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性分佈,其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。The results of property test of dkdp crystal grown on a point seed show that laser damage threshold is about 5gw / cm2, ? half - wave voltage is about 4kv, extinction ratio is about 1600 : l. the obvious difference of dkdp crystals is not found between traditional technique and point seed growth technique
性能測試結果表明,點狀籽晶全方位生長的dkdp晶體的激光損傷閾值約為5gw cm ~ 2 、半波電壓約為4kv 、動態消光比約為1600 : 1 ,發現與傳統方法生長晶體的性能沒有明顯的差別。In order to get some functional clues from their structures, the upstream regulation region of ndrgl gene and second structure of ndrg2 protein are performed bioinformatics analysis ; we found that there are several binding sequences of some diffirent transcription factors, their functions include regulating tissue - specific gene expression, regulating expression of genes related to growth and early development of cells, besides this, regulating expression of genes under some stimulated conditions, and so on. predict in protein fold classification shows that ndrg2 belongs to alpha / beta hydrolase fold family, and there are high similarity between ndrg2 and epoxide hydrolase from bacteria, this suggests that ndrg2 protein may has enzymatic functions associated with resisting the oxidative stress, maintaining the balance of cell redox potential, involving in the metabolism process of xenobiotics or intracellular toxic molecules
研究發現呷基因的調控區存在多種轉錄因子結合位點,功能主要涉及組織特異性表達調控,細胞生長發育相關基因的表達調控,刺激反應基因的表達調控等; ndrgz蛋白在結構上屬于a小水解酶類折疊,折疊分類預測表明ndrg2與其中的的細菌環氧化物水解酶的二級結構極為相似,提示ndrgz蛋白具有一定酶活性,可能參與細胞抗氧化應激反應,維持細, an ) armtbffiofbfochmilsyn ) mdafblechmrbfobo4第四軍醫大學碩士學位論文胞內氧還電勢平衡,參與內外源有毒物質的代謝等。分享友人