斷層掃描器 的英文怎麼說
中文拼音 [duàncéngsǎomiáoqì]
斷層掃描器
英文
section sca er- 斷 : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 掃 : 掃構詞成分。
- 描 : 動詞1. (照底樣畫) copy; depict; trace 2. (在原來顏色淡或需改正之處重復塗抹) retouch; touch up
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 斷層 : fault; slip; slicle; fracture; dislocation
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Positron emission tomography is a new generation image test equipment, which works through functional metaboly of tissue to help doctors to make a diagnosis. pet is of great importance to early diagnosis of tumors and the test of pathological changes of organs
Pet全稱為正電子發射斷層掃描成像系統,是通過組織的功能代謝來診斷疾病的新一代影像檢查設備,對于腫瘤的早期診斷及各器官病變的檢查均有重要意義。The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation
研究表明,對于城市活斷層的抗干擾高解析度淺層地震勘探,在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器,以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法;在數據處理與解釋環節,要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。Ae signals released from different lay - ups composite specimens were acquired by a wideband transducer, and fracture surfaces of the specimens were observed by scanning electron microscope ( sem )
寬帶傳感器記錄了不同角度纖維鋪層的復合材料試樣在拉伸破壞過程中的聲發射信號,用掃描電子顯微鏡( sem )觀察了試樣的幾種典型的損傷破壞斷面,對比分析了不同類型的損傷機制。The research on the radiation effects of materials induced by high - energy proton irradiation is of important significance in many scientific fields, such as the single event effects of semiconductor components exposed on space, accelerator - driven nuclear energy generator, tritium production by accelerator, intense pulsed ion beam technology, proton radiography, etc. the effects and mechanisms of irradiation vary vastly for different energies and intensities of proton beams
宇宙高能質子的單粒子效應( see )研究、潔靜核能系統( ads )研究、加速器產氚計劃( apt ) 、強脈沖離子束( ipib )技術、質子斷層掃描等領域都涉及質子輻射效應問題。質子輻射對不同的材料會導致不同的效應,開展質子輻射效應產生的機制研究,掌握其效應規律,對于電子學元器件的抗輻射加固指標提出,以及在其他研究中的方案設計等都有重要意義。So far, existing brain function evaluation techniques includes electroencephalogram ( eec ), magnetoencephalogram ( meg ), positron emission tomography ( pet ), functional magnetic resonance imaging ( fmri ) etc. among them, the technique using event - related potential ( erp ) contained in eeg features high temporal resolution, low costs and convenient application
到目前為止,探測大腦活動的方法有eeg (腦電圖) , meg (腦磁圖) , fmri (功能磁共振成像) , pet (正電子發射斷層掃描)等。其中利用包含在eeg中的erp (事件相關電位)進行的研究,能達到毫秒級的高時間解析度,而且器械成本低應用方便,對探索人腦瞬息萬變的信息處理機能(認知機能)無疑是很有幫助的一項技術。Two image mapping algorithms of the volume rendering, forward mapping and backward mapping are researched on the basis of optical model for volume rendering. combined with the characteristic of a series of section images from laser confocal scanning microscopy, the volume buffer algorithm and maximizing algorithms are proposed in this paper. 4
同時在探討體繪制光學模型的基礎上,研究了體繪制的兩種圖像合成演算法,即由前向後演算法和由後向前演算法,並結合激光共聚焦掃描顯微成像系統序列斷層熒光圖像的特點提出了體緩沖器演算法和最大值演算法。For surgery tools models, this dissertation presents an algorithm to transform models constructed in solid modeling system to the developed virtual system in which surgery tools models can be constructed conveniently, accurately and parameterizely. the constructed models can have high level third dimension effect. for slice - imagings, this dissertation gives an algorithm for rebuilding solid model from triangulated patch surface model and the rebuilding processing function as an important function in reverse engineering has been added to 3d - modeler system, which is a feature solid modeling system developed by cad lab of dut, so the reconstruted bone model can be further processed in the cad system
研究了實體幾何模型向三維表面模型的轉化,針對手術規劃及模擬教學系統中的醫療器械模型,提出了一種利用三維實體造型系統構建實體模型,然後轉化為本文虛擬系統所支持的表面模型的方法,能夠方便、精確和參數化地建立模型;針對斷層掃描圖象,給出了基於ct圖象反求技術進行實體幾何造型的主要步驟,以使骨骼模型能夠在本研究所開發的特徵造大連理工大學博士學位論文型系統3dm 。Topics include ( 1 ) general mechanisms of disease ( inflammation, infection, immune injury, host response to foreign materials, transplantation, genetic disorders and neoplasia ), ( 2 ) pathology of lipids, enzymes and molecular transporters, ( 3 ) pathology of major organ systems, and ( 4 ) review of diagnostic tools from invasive surgical pathology to non - invasive techniques such as optical spectroscopy, functional imaging, and molecular markers of disease
主題包含( 1 )疾病機制通論(發炎,感染,免疫受損,宿主對異物反應,移植,基因異常與癌癥) ( 2 )脂質、酵素與分子傳送者病理學( 3 )主要器官病理學以及( 4 )從侵入性手術病理學到非侵入性技術診斷工具的回顧,例如光譜學、功能性影像斷層掃描、和疾病分子標記。According to principle the above, want and do preliminary health examination in the future, can needn ' t spend checking fee expensive, needn ' t ultrasonic scanning, it is unnecessary computer fault scanning, needn ' t blood drawing and test or take the picture x light still more, whether so long as it hold a sensor or spend urine ( also in hair but ), can know on several minute by health data of more items in you
按以上原理,今後如欲做初步的健康檢查,即可不必花昂貴的檢查費,不用超聲波掃描,不用計算機斷層掃描,更不用抽血化驗或照x光,只要握住傳感器或用尿液(毛發亦可) ,即可於數分鐘內獲知你身上多項健康數據。Key technologies based on the point cloud data obtained by the structured light sensor are studied, including the preprocessing of data points and the method surface fitting
本文以線結構光視覺傳感器獲取的點雲數據為對象,對掃描數據的預處理和斷層掃描數據的曲面擬合進行了研究。It possess many of the physical properties such as high atomic number ( z ), large enough band gap, high resistivity, relatively low leakage currents, and high intrinsic mobility - lifetime ( ut ) product, which are required for room - temperature nuclear radiation detectors. so it is widely used in nuclear medical imaging system, space engineering, and astrophysics, environmental monitoring, and so on. in addition, it is the best substrate for lattice matched epitaxial growth of hg1 - xcdxte ( mct ) thin films and solar cells
用單晶czt製成的探測器可在室溫下工作,工作溫度范圍寬( - 20 40 ) ,能量探測范圍寬( 10kev 6mev ) ,對x射線、射線能量解析度高,在x射線、射線成像、天體物理研究、工業探測、安全檢測、核輻射探測、核廢料監控、 x射線熒光分析( xrf ) 、 x射線斷層掃描和核醫學等方面有重要用途。Positron emission tomography ( pet ) is the functional imaging equipment with good specificity among the modern nuclear medicine instruments. it can make the noninvasive diagnosis of coronary artery disease ( cad ), brain disease and tumor in their early changes. therefore, it plays a very important role in the field of modern medicine
正電子發射斷層掃描儀( pet )是核醫學儀器中一種具有較高特異性的功能成像設備,它能夠對心腦血管疾病及腫瘤病變進行早期的無損診斷,在現代核醫學領域里起著十分重要的作用。Based on the introduction of the systematic structure and working principle of pet, the thesis mainly described the realization of the partial function in the mechanical and electrical control system. furthermore, the thesis referred the design of a new circuit of fan - out of high frequency clock
本文在介紹正電子發射斷層掃描儀系統結構及工作原理的基礎上,著重對該儀器機電控制系統的部分功能實現作了詳盡描述,並且介紹了一種新型的高頻時鐘扇出電路的設計。分享友人