正子掃描 的英文怎麼說

中文拼音 [zhēngzisǎomiáo]
正子掃描 英文
positron emission tomography pet
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 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
  • 正子 : antielectron
  1. We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm. by means of uv - vis, atomic absorption spectrometry and so on, nanoparticles of this three kind of anode materials are synthesized

    利用trionx - 100 /正辛醇/環己烷/水反膠束體系制備出三種物質的粉體，掃描電子顯微鏡照片顯示粒子的粒徑在20nm左右，分佈均勻；此外還利用uv - vis 、原子吸收光譜等測試手段，都表明合成出了三種正極材料的納米粒子。
  2. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  3. New york ( reuters health ), feb 15 - in infants with congenital hyperinsulinism, positron - emission tomography ( pet ) scans can accurately differentiate between focal and diffuse disease, and pinpoint focal lesions, according to a study published in the february issue of the journal of pediatrics

    紐約（路透社健康專欄） ， 2 . 15 - - -根據發表在兒科雜志二月刊上的一項研究，對于有先天性高胰島素血癥的嬰兒，正電子發射斷層掃描（ pet ）可以準確的區分病灶和彌散性疾病，並且精確地找到局灶性損害位置。
  4. 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。
  5. Special features for copying inputting originals auto paper select, auto scaling select, vertical horizontal independent anemographic magnification, final scale adjustment, copy density adjustment 7 degrees, scan start position adjustment, and copy position adjustment, top bottom bottom margin setting, mirror image, trimming, negative positive inversion, header, reference input, rotate image, sharpness, contrast, additional copy, scanning speed change

    自動用紙選擇，自動倍率選擇，縱向或橫向獨立縮放，倍率微調，復印濃度調整，掃描起始位置選擇，復印位置選擇，前後端空白選擇，消除框線，鏡像，正負片反轉，頁眉，參照列印，畫面偏轉，明兩度，對比度，追加復印，掃描速度選擇，電子分頁可選配置
  6. The small scanning - spot excimer laser corneal system was developed based on flying - spot scanning model

    摘要以飛點掃描切削模式為基礎，研製小光斑飛點掃描準分子激光角膜屈光矯正系統。
  7. And wherein the model is adapt to the change of size of the transition zone of corneal. the model can be used to correct wavefront aberration. the hardware and sofeware of the ophthalmic excimer laser system is designed

    設計了準分子激光人眼像差矯正系統的硬體和軟體系統，並對像差矯正系統實現的關鍵技術? ?飛點掃描技術、主動跟蹤技術、能量閉環控制技術進行了深入的研究。
  8. But to be sure i need a pet scan

    但要確診，我需要做正子斷層掃描掃描檢查
  9. Based on the relationship between the change of the cornea thickness and optical path length, the ablation profile for the correction of wavefront aberration is presented and simulated on computer. the process of scanning - spot excimer laser is studied and simulated on computer. models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up

    使用改變光程的方法建立起波前像差與角膜切削量之間的關系，並對像差矯正模型進行計算模擬;深入研究了小光斑準分子激光飛點掃描模型，對飛點掃描過程進行計算模擬;提出了中心偏移和旋轉情況下剩餘像差計算模型，為定量研究切削中心定位精度對像差矯正的影響提供了依據。
  10. 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。
  11. In this thesis, the physical properties of a series of na2fepo4f cathode materials synthesized by various routes are instigated and discussed in the light of structural ( xrd ), thermal ( dta ) analyses and particle size distribution. their microstructures were studied by transmission electron microscope ( tem ) and scan electron microscope ( sem ). the electrochemistry property were evaluated with cells containing the synthesized na2fepo4f as positive electrode

    本文將藉助x -射線衍射、掃描電鏡、透射電鏡、差熱分析以及電化學測試等方法，系統研究多種制備法對所合成的鈉離子二次電池正極活性材料氟磷酸亞鐵鈉的微結構以及循環可逆容量、循環伏安性能、交流阻抗譜的影響。
  12. Polaride microscope and scanning electron microscope ( sem ) were used to study the molecule texture and the polymer network structure. the paper had compared the difference between the polymer of the traditional polymer network liquid and the egdmma polymer and analyzed the polymerization mechanism

    採用正交偏光顯微鏡和電子掃描電鏡研究了聚合物網路形貌和結構，比較了傳統的聚合物網路穩定液晶中聚合物的差異，並分析了聚合機理。
  13. We are uploading data from one newly scanned aerogel tile today, with another four tiles currently being processed. we produce about 4000 new focus movies each day

    今天我們上傳了一塊新掃描的凝膠塊的數據，同時還有4塊的數據正在處理中。我們每天會產生大約4000部新片子。
  14. In this study, we designed a pair of primers based on the sequence of the upstream and downstream of chicken il - 2 gene. about 600 bp chicken il - 2 cdna fragment was cloned from cona - stimulated chicken splenocytes by reverse transcription - polymerase chain reaction ( rt - pcr ) and was subcloned into puc18 vector. recombinant clone was demonstrated by restriction enzyme digestion and dna sequencing. next, we construct recombinant plasmid pproex ? t - il - 2. the cdna of chicken il - 2 gene was subcloned into bamh i / hind iii sites of vector. the recombinant plasmid pproex ? t - il - 2 was transformed into e. coli dh5a and the bacteria was induced with iptg. it was demonstrated by sds - page and western blot that a 18kda protein which was equal to chicken il - 2 protein in molecular weight was expressed in e. coli dh5a. the expression level was up to 30 % of the total bacterial proteins. the purified protein was used to prepare the antibody against chicken il - 2 protein

    經酶切鑒定及dna序列測定，該基因為雞il - 2基因，其序列與sundick等報道的完全一致。在此基礎上，我們把雞il - 2基因亞克隆到大腸桿菌原核表達載體pproex ~ （ tm ） ht中，構建重組表達質粒並進行確證性序列測定，重組質粒測序結果表明將編碼雞il - 2成熟蛋白的基因正確地插入到原核表達載體pproex ~ （ tm ） ht的目的位點。重組質粒轉化受體菌dh5後用iptg於37進行誘導培養， sds - page和westernblot分析顯示，表達的雞il - 2融合蛋白分子量約為18kda ，表達的融合蛋白經薄層掃描發現目的蛋白表達量約占菌體蛋白的30 。
  15. 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。
  16. The potential clinical value of cell proliferation imaging could be to identify treatment " success " or " failure " much earlier than changes in tumor size or volume identified with computed tomography ( ct ) or magnetic resonance imaging ( mr ), or changes in glucose metabolism measured with positron emission tomography ( pet ). this may be particularly important in the evaluation of patients early in the course of treatment, particularly those patients being treated with cytostatic drugs

    細胞增殖造影的臨床價值在於腫瘤治療效果成敗?別能早於以電腦斷層掃描（ ct ）或核磁共振造影（ mr ）發現的腫瘤大小或體積變化，或以正子放射電腦斷層掃描（ pet ）所見的葡萄糖代謝變化，這對那些療程使用細胞增殖抑制藥物治療的病人早期評估特別重要。
  17. An electronic component of an optical character reader that alters the signal from the scanner to receive a processed rendition of the input character that is more appropriate for detailed or more advanced analysis

    一種光（學字）符閱讀裝置的電子部件，該部件修正掃描器的輸出信號，以得到一種經過處理的、更適合作進一步分析的輸入字元的再現。
  18. 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。
  19. Failure causes of double clip reed were analyzed by means of optical microscopy, scanning electron microscopy, electron probe microanalysis and micro hardness tester

    採用光學金相、掃描電鏡、電子探針成分分析和顯微硬度測定等方法分析了雙卡簧片非正常斷裂的原因。
  20. Zhou of the uniersity of pennsylania, philadelphia, and colleagues reiewed noninasie imaging modalities to track implanted cells, including magnetic resonance imaging ( mri ), positron emission tomography ( pet ), single - photon emission computed tomography ( spect ), and optical imaging using luminescence and fluorescence

    這包括磁共振影像學（ mri ） ，正電子發射斷層掃描術（ pet ） ，單光子發射計算體層攝影術（ spect ）和使用發光和熒光的光學成像術。
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