激發傳遞 的英文怎麼說
中文拼音 [jīfāzhuàndì]
激發傳遞
英文
excitation energy transfer- 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
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 遞 : Ⅰ動詞(傳送;傳遞) hand over; pass; give Ⅱ副詞(順著次序) in the proper order; successively
- 激發 : 1 (使奮發) arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
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It sits at the rapidly evolving hub of asia s information highway at a time when communications through satellites, trans - oceanic cables and mobile devices are exploding
正當由人造星越洋電纜及流動裝置傳遞的通訊激增之際,香港位處亞洲資訊高速公路急速發展的中心。For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm
試驗結果表明,成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o ( x = 1 . 86 )的x射線衍射圖譜一樣,濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用,試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與,亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外,還通過鐵離子的變價傳遞電子,催化錳離子的氧化反應,從而促進對二價錳的降解。Biotic or abiotic stimuli can first cause the alteration in apoplastic signaling system ; on the other hand, apoplast provides a convenient pathway for cell - cell communication, and therefore plays a key role in regulation of cell differentiation, organ genesis, and growth development of plants
當植物遭受生物或非生物環境刺激時,可能首先引起質外體信號系統的變化;同時質外體作為植物細胞之間最方便的通道,在細胞間信號傳遞和信息交流上起重要作用,從而成為協調植物細胞分化、器官形成和整體生長發育的決定性因素之一。Renin secretion is controlled by at least four mechanisms that are not mutually exclusive : a renal vascular receptor responds to changes in tension in the afferent arteriolar wall ; a macula densa receptor detects changes in the delivery rate or concentration of nacl in the distal tubule ; circulating angiotensin has a negative feedback effect on renin secretion ; and the sympathetic nervous system stimulates renin secretion via the renal nerve mediated by receptors
腎素的分泌至少受四種互不排斥的機制控制:腎血管受體對向心小動脈壁張力變化的反應;緻密斑受體發現遠端腎小管內氯化鈉傳遞速率或濃度的變化;循環的血管緊張素對腎素的分泌的負反饋效應;和交感神經系統經由受體介導的腎神經刺激分泌腎素。The absorbed light energy excites chlorophyll a molecules, causing them to emit high - energy electrons that pass down an electron - transport chain, releasing energy to synthesize atp ( photophosphorylation ) and nadph
吸收的光能可激發葉綠素a產生高能電子,經電子傳遞鏈傳遞后,釋放能量合成atp (光合磷酸化)和nadph 。Calcium responses could be induced in astrocytes by adding neurotransmitters or by using electrodes to stimulate the release of neurotransmitters from synapses
星狀細胞的鈣離子反應,可以藉由添加神經傳遞物或利用電極刺激突觸釋出神經傳遞物所引發。Dendritic cells ( dc ) is the most powerful apc, which can markedly increase the antigen - presentation capacity by maximizing the pepitide - mhc complexes on the cell surface and upregulating the co - stimulatory ligands b7 - 1 and b7 - 2, adhesion moleculees such as il - 12 that promote full activation of lymphocytes. full activation of antigen - specific t cells requires two signals - one signal coming via the tcr and the other signal through engagment of co - stimulatary molecules. t cells receiving one signal via their tcr are turned off by mhc ( major histocompatibility complex ), via t cell cd28 binding to b7 on the dc induce tlymphokine and t cell proliferatiion
T細胞介導的細胞免疫在控制腫瘤生長方面發揮著重要作用, t細胞在發揮抗瘤效應(分泌細胞因子和直接殺傷)之前必須先經過活化,體內專職抗原提呈細胞( apc )細胞並使其活化,樹突狀細胞( dendriticcell , dc )為t細胞的激活提供雙重信號, t細胞藉助tcr識別由dcmhc分子遞交的抗原肽后,通過tcr - cd3復合體傳遞抗原特異性識別信號(第一信號) ,以cd28為主的t細胞表面輔佐分子識別dc表面b7分子,傳遞非特異性協同刺激信號(第二信號) ,在機體抗腫瘤免疫應答中處于核心地位。Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases
本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。Finally finding that there are two reasons that cause vibration of pipe and noise. the one is the vibration of pump which transfers to pipe and stimulates the vibration of pipe. the second is the stimulating frequency of pulsating water is coherent with the natural frequency of pipe
最後得出管道的振動主要是由於兩個原因,一是泵的機械振動傳遞給管道,引起管道的振動;二是由於水流的脈動激勵頻率與系統的固有頻率相吻合,引起管道的共振發聲。4. the nanoparticles of zns : eu3 + were synthesized for the first time. the energy transfer process between the zns host and the eu3 + ions was observed form the excitation spectra
合成納米zns : eu3 +和eu3 + 、 mn2 +共摻體系,首次成功通過eu3 +離子的本徵發光的激發譜觀察到基質zns向eu3 +離子有能量傳遞過程。For the zno : er obtained in the present paper, the room temperature sharp characteristic emissions from the trivalent rare earth er3 +, including upconversion and near infrared emissiom, and the energy transfer between the nanocrystalline zno host and the dopants are observed for the first time in this paper
首次觀測到zno : er的室溫強特徵發射、上轉換發射和近紅外發射,並同過er離子的本徵發光的激發譜觀測到基質zno與er3 +之間存在能量傳遞。Phopholipase c - 1 ( plc - 1 ) is widely known to play an important role in regulating cell proliferation and differentiation, development of the organisms, cell transformation and oxidative stress. till now, the mechanism how phopholipase c - 1 acts can not be thoroughly illustrated, nor has the interaction between plc - 1 pathway and other signal pathways been systematically reported. this research chose 2 - de + ms as the basic method from all kinds of proteomics strategies and compared the total protein expression map of mef genetically deficient in plc - 1 ( plc - 1 - / - ) to that of wild type mef ( plc - l + / + ) aimed to find some protein spots differentially expressed, thus we can discuss the impact of knockout of plc - 1 on signal transduction initiated by growth factors such as egf comprehensively. in this way, we can study the biological function of plc - 1 and mechanism of plc - 1 pathway indirectly, which will contribute a lot to further analysis
鑒于plc - 1發揮上述作用的機制尚未完全闡明, plc - 1通路與其他信號通路間的交聯和代償尚無系統報道,又因為以往的研究方法不夠全面,本研究以野生型小鼠胚胎成纖維細胞( plc - 1 ~ ( + / + ) )和缺失磷脂酶c - 1的小鼠胚胎成纖維細胞( plc - 1 ~ ( - / - ) )為研究模型,在眾多蛋白組學策略中選擇了雙向電泳+質譜( 2 - de + ms )作為研究手段,通過對比表皮生長因子( egf )刺激24小時後上述兩種細胞的總蛋白質表達差異,全面地探討敲除plc - 1對生長因子誘導的信號傳遞的影響,從而間接研究plc - 1生物學作用、信號傳遞機制及其代償情況,為后續的深入研究打下基礎。Internal waves are a kind of bridge relating the diapycnal mechanical mixing to external sources of mechanical energy : first, internal waves are driven by wind stress and barotropic tide so that large amount of mechanical energy are transported to abyssal ocean with propagation of internal waves ; second, the mechanical energy can directly be cascaded to mixing through instability and breaking of internal waves
內波是外界提供的機械能與混合之間聯系的橋梁之一,一方面風和潮汐通過激發內波,將能量向深海和大洋內區傳遞,另一方面,內波的不穩定和破碎直接將機械能串級到小尺度湍流混合中去。開展傾斜地形上內波的傳播以及內潮的產生等方面的研究對海洋混合過程的參數化以及混合對大洋環流的影響等方面的研究具有重要的科學意義。In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts
通過加速度、應力應變測試實驗和激振試驗的研究,發現ts5560特種車分動器取力器氣缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂:傳動系統工作所產生的激勵,經過分動器結構的傳遞(特別是分動器一階扭轉模態的放大) ,在螺栓的連接處產生1000 1500hz的振動激勵,其導致螺栓一階彎曲共振,在螺栓一階彎曲模態的阻尼比較小的情況下,使得螺栓產生較大的共振響應,導致螺紋處的彎曲動應力較大,疲勞壽命較低。On the one hand, the similar social background may provide platform of information transmission and the exchange for the economic cooperation. on the other hand, the differentiations of social background may stimulate the unique economical production, and create conditions for economy exchange
認為,一方面雙方的社會背景有諸多相似之處,可以為經濟合作提供信息傳遞與交流的平臺;另一方面雙方社會背景的相異之處,激發了各具特色的經濟生產,為經濟領域的互通有無創造了條件。The essential properties like randomicity ; dynamic ; coupling ; nonlinear and so on of the system of pipelines - soil under dynamical loads was studied through loads, soil, and pipelines - soil etc three aspects, so this chapter offers the basic job for the dynamical response of the pipelines - soil system. eular - bernonulli beam model and tomosimko beam model were adapted to study the inherence vibration properties of the pipelines under dynamical loads, and the analytical answers of the chanmical results were brought out in the fifth chapter
荷載的作用,最終要通過土體介質的傳遞到達管道本身,從而使得管道發生力學性狀響應,因此,文中以粘彈性理論為基礎,通過數學變換、推導,提出了荷載在土體中的傳播特性和計算方法,使得管道的動力激勵部分問題得解。Ngf binding to trka receptors results in receptor dimerization and kinase activation. recent evidence supports that not all extracellular subdomains are responsible for receptor activation. structure based drug design for neurotrophic agonists with small molecular weight relies on knowledge of the interaction of neurotrophin with their receptors
Trka在ngf作用下發生二聚化,使胞內域中酪氨酸激酶區激活,從而使trka中酪氨酸自磷酸化,並進一步激活胞內信號轉導通路,從而實現神經營養信號傳遞。It can be found that peer leader mainly plays four kinds of roles on bbs - learning supervisor, experience initiator, resource provider and the motivator. and further summarizing the peer leader ' s characteristic behaviors on / off net, it can be found that peer leader can play six more kinds of roles - listener - detector, information transfer, learning guider, activity organizer, learning tutor, activity participant
研究發現,導生在bbs上扮演學習監控者、經驗傳遞者、資源提供者和情感激勵者四種主要角色;綜合導生在網上、網下的特徵行為,導生扮演的主要角色除了上述四種角色外,還有聆聽一發現者、信息傳遞者、活動組織者、學習引導者、情感激勵者、學習指導者和活動參與者六種主要角色。Then, from the starting point of vibration signals formed, the characteristics of actuation sources and their responses and the relations between them are discussed in detail. meanwhile, radiate routes of vibration signals are analyzed, and pretreatment methods for vibration signals are presented
然後,從柴油機表面振動信號的產生機理出發,論述了柴油機的主要激振源、表面振動響應信號及它們之間的內在關系,同時分析了振動信號的傳遞路徑。分享友人