核激磁 的英文怎麼說
中文拼音 [héjīcí]
核激磁
英文
nuclear magnetisation-
Techniques of culture of prothoracic gland ( pg ) in vitro, 3h - ecdysteroid - radiounniunoassay, and methods of molecular biology and biophysics, for instance, nuclear magnetic resonance ( nmr ), circular dichroism cd ) and so on were engaged. the biological activity on ecdysteroidogenesis in vitro and in vivo of a group of analog peptides of bom - ptsp synthesized by chemical modifications and the relationship between the structures and functions were studied
本研究利用~ 3h -蛻皮激素放射免疫分析方法、分子生物學、生物物理學的方法和手段、體外培養和體內導入等技術對bom - ptsp及其一組人工合成的與ptsp結構類似的多肽進行了結構和功能關系的研究，鑒定了它們的生理活性及其與結構的關系，以及它們在家蠶體內的活性及其與結構的關系，還對ptsp及其類似多肽進行了核磁共振和圓二色的研究。A strong magnetic field in a resonant cavity is an ideal circumstance for initiating the spins and orbital motions of electrons and nuclei in solids.
諧振腔中的強磁場是激發起固體中電子和原子核的自旋和軌道運動的理想環境。Bottom - up processing and feature detecting theory based on strong electrophysiological evidences has played a dominant role in the visual research for long time. people know top - down processing just by common sense. knowledge or experience are recalled from memory by reactivation of their neural representations and affected visual processes. however recently, researches from human and monkey provide experimental evidences for top - down processing. first, mnemonic representation of visual objects and faces, located in the ventral processing stream of visual perception in monkey, provide the best evidences of how neuronal codes are created by neurons that have the special ability to link the representations of temporally associated stimuli ; second, experiments suggest that not only bottom - up signals from the retina but also top - down signals from the prefrontal cortex can trigger the retrieval of associative codes, which may serve as a neural basis both for the conscious recall and for the visual processes affected by top - down processing further studies will improve people s understanding of the causal relation of activation and behavior by use of combined fmri and electrophysiology or lesion studies
聯想性編碼是通過學習由一些具有特殊功能的神經元建立的，這些神經元具有將時間性關聯刺激的表徵聯系起來的能力。其次，不僅來自視網膜的底-頂信號，而且來自前額葉的頂底信號都能觸發聯想性編碼的提取，既可以作為有意識回憶的神經基礎，又是頂-底加工影響視覺過程的基礎。腦損傷病人研究具有高時間解析度的人類功能性核磁共振成像functional magnetic resonance imaging ， fmri和猴fmri研究以及猴細胞電生理分析相結合，將進一步加強人們對視覺腦機制的全面理解。Abstract : based on the ahievement of epitaxial growth in several perovskite oxide films, we discuss the importance of substrate temperature ( ts ) and substrate material in the epitaxial growth of perovskite oxide thin films. influences of ts on growth orientation and epitaxial threshold temperature were observed. the results indicate that during the growth of the oxide films the phase formation and growth dynamics should be taken into consideration. the threshold temperature for epitaxial growth depends on the substrate materials. this demonstrates the influence of substrate material on the initial nucleation and epitaxial growth
文摘:在成功地外延生長超導、鐵電、鐵磁等多種性質的鈣鈦礦結構氧化物薄膜的基礎上，討論影響氧化物薄膜外延生長的一些因素.考慮到相形成和薄膜生長動力學，在利用脈沖激光淀積法外延生長氧化物薄膜中襯底溫度是十分重要的工藝參數.襯底溫度對成相和生長薄膜的取向都有影響.考慮到薄膜是首先在襯底表面成核、成相併生長.因此襯底材料晶格的影響是不容忽視的.觀察到襯底材料對薄膜外延生長溫度的影響.在適當的工藝條件下，利用低溫三步法工藝制備得到有很強織構的外延薄膜.這突出表明界面層的相互作用對鈣鈦礦結構薄膜的取向有著相當大的影響Mri scanning, developed in this very building ; the contraceptive pill ; modern infertility treatment ; ultrasound scan for unborn babies ; unlocking the double helix structure of dna ; keyhole surgery ; placing fluoride in the water supply ; the portable defibrillator ; the hepatitis b vaccine ; strained quantum - well lasers which contain the information used in cds, dvds and the internet ; dna fingerprinting. a whole speech could be given that amounted to nothing more than a list of examples
正是在牛津這個地方研究和開發出來的核磁共振掃描、避孕藥、現代不孕癥治療術、胎兒超聲波檢查、解開dna雙螺旋結構之謎、鎖孔外科手術、在供水系統中加氟、便攜式心臟除顫器、乙肝疫苗、在cd 、 dvd光盤上存儲信息的應變量子阱激光器、 dna指紋識別技術等。Temperature measurement techniques for microfluids in capillary and microfluidic systems are reviewed, including exterior contact methods, fluid physical - parameter - based methods, thermo - sensitive marker methods, nmr and raman spectrometric methods, and laser - based interface measurement technique
摘要綜述了近年來應用於毛細管和微流控系統中的各種微流體測溫技術，包括外部接觸測溫、依據液體物理參數變化測溫、基於熱敏物質測溫、核磁共振和拉曼光譜測溫以及基於激光的界面測溫，並對各種測量方法和優缺點進行了討論。Stochastic excitation nmr
隨機激發核磁共振法The stiffness of ems is controllable, and taking it as the kernel, an emdva which natural frequency can adjust according to the frequency of the excitation force is designed. the emdva can adjust its natural frequency to keep up with the frequency of the excitation force acted on the main mass, reach in the almost perfect status of dynamic harmonization absorption and obtain satisfactory absorption effect
該電磁彈簧的剛度值是可控的，以此電磁彈簧為核心，設計了一種固有頻率可實時調整的電磁式動力吸振器，該動力吸振器能夠調節其固有頻率與作用在主質量上的激勵力的頻率保持一致，從而達到接近理想的動力調諧吸振狀態，獲得滿意的吸振效果。Because of a large number of data processing to carry out, tms320c5402 dsp, electromagnetic ultrasonic transducer, oscillatory source circuit, receive signal disposal circuit, a / d, sram, flash memory and display circuit are selected to design the prototype of a machine of the real - time measurement system
由於要進行大量的數據處理，硬體電路採用了ti公司的tms320c5402dsp作為核心處理器件，輔以電磁超聲換能器、激勵源電路、接收信號調理電路、 a d 、 sram 、 flashmemory及顯示電路，設計出實時檢測系統的樣機。分享友人