b-scanning 中文意思是什麼

b-scanning 解釋
b型掃描
  • b :
  • scanning : n. 1. 細看,細察,審視。2. 【電視】掃描,掃掠,搜索。
  1. The fabrication parameters were preliminarily optimized. the morphology and composition of the samples of the diamond film for different b / c ratios was investigated by scanning electron micrograph ( sem ) and raman scattering spectroscopy ( raman ). the content of different levels of b dopant in the diamond film was tested by secondary ion mass spectrometry ( sims )

    闡述了摻硼金剛石膜的制備工藝,研究了摻硼金剛石膜成核和生長的影響因素,初步優化了沉積摻硼金剛石膜工藝參數,同時對摻硼金剛石膜進行了掃描分析、拉曼分析、二次離子質譜分析和電阻率測試。
  2. According to this kind of character, we use b model supersonic or weigh sector scanning, the structure that can see heart and blood vessel clearly and jumpy the figure that reachs change

    根據這種特性,我們利用b型超聲或稱扇形掃描,可以清楚地看到心臟和血管的結構與跳動及變化的圖形。
  3. Manual scanning b - mode ultrasonic diagnostic equipment

    B型手動掃描超聲波診斷設備
  4. ( 3 ) based on a close research of the cad model representation in mdt, this paper picks up the model information expressed in the boundary representation ( b - rep ) using the development kits of objectarx and mdt api offered by autodesk inc. ( 4 ) the direct slicing data are processed so as to realize the sorting and fitting of short lines, the cutting tool compensation, the layer contour filling and the optimization of the scanning paths, etc. ( 5 ) designs the architecture of rp data processing software according to the functional requirement of rp, and integrates all the functional modules

    ( 3 )在深入研究mdt ( mechanicaldesktop )中三維模型表示方法的基礎上,運用autodesk公司提供的mdt二次開發工具objectarx和mdtapi ,成功地實現了對mdt模型信息的提取,進而使直接自適應分層演算法得以實現。 ( 4 )對直接分層得到的數據進行了工藝規劃。實現了對層片輪廓線段的排序、擬合、刀具補償以及輪廓內部填充和掃描路徑優化等。
  5. According to the demand of b - type scanning ultrasonic flaw - detector, author has designed a platform of high - speed and real - time embedded system using the scheme, which combines dsp - arm framework with windows ce embedded operating system

    本文以b掃超聲波鋼軌探傷儀的設計需求為依據,採用dsp - arm雙核構架和windowsce嵌入式操作系統結合的設計方案,設計了一個滿足項目需求的高速實時嵌入式系統平臺。
  6. High scanning speed for high - precision 600dpl and high - productivity b w files : 65 prints per minute

    掃描整稿模塊的功能scan and makeready高精度600dpi ,高生產率的黑白文件掃描每分鐘65頁。
  7. The x - ray diffraction, scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires. the effect of the proportion of mg, b and sic as well as the sintering parameters on the phase formation, microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details. the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively

    相對于傳統真空燒結, sps燒結方式成相速度快、樣品晶粒細小均勻、 mgb2超導芯緻密性好、晶間連接優良,因而sps燒結樣品的臨界電流密度明顯高於傳統真空燒結樣品,其中未摻雜的帶材樣品經過sps800 , 15分鐘燒結后,自場下的臨界電流密度jc值在10k時達到8 . 64 105a / cm2 ,而且隨著測量溫度和外加磁場的增加, sps燒結樣品的臨界電流密度下降率比傳統真空燒結樣品緩慢,在20k ,自場時為5 . 97 105a / cm2 , 20k , 3t時,臨界電流密度值仍大於104a / cm2 。
  8. Mean shape factor and rms shape factor distributed on the roof of the structure with b exposure are measured. based on using of a multi - point high - speed pressure scanning system on rigid model, wind - induced dynamic responses are discussed by the method of power spectrum analysis

    分析了在b類地貌類型下風荷載的分佈特性,並根據剛性模型同步測壓技術以及屋蓋結構風致響應的譜分析方法,分析討論了結構動態響應,並討論了結構前幾階模態對系統響應貢獻。
  9. The mechanical parameters at high temperatures - reduction in area ( ra % ) and tensile strength ( o b ) are measured by means of gleeble - 2000 thermal simulating machine. fracture surfaces are analyzed by scanning electron microscopy and optical microscopy. the segregation of sn is also examined by auger electron spectroscopy

    通過測定試驗鋼種的高溫力學參數(斷面收縮率ra和抗拉強度_ b ) ,觀察金相顯微組織,分析掃描斷口形貌,測試第二相析出物和俄歇能譜試驗等方法,研究了殘留元素sn及冷卻速率對高溫力學性能的影響。
  10. 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。
  11. Employing idef to establish framework, dynamitic and functional models, the system also designs a non - back shifting search arithmetic for double - scanning buffer zone and a double - track structure for searching process. according to the characteristics of e - mail control and electronic documentary mining technology, bayes classifiers are made to strengthen the electronic control system in which electronic documentary mining technology is used ; and moreover the double systematic structure of c / s & b / s is constructor with the presence of some function relationships in mining process as well as systematic mining and program handling

    系統採用i _ 2def方法建立了結構模型、動態模型和功能模型;設計了雙掃描緩沖區的無回溯搜索演算法及搜索過程的雙棧結構;根據電子郵件監控系統和電子文檔挖掘技術的特徵,設計了bayes分類器並使用了增強型方法,提出了一種運用電子文檔挖掘技術的電子郵件監控系統;構建了c / s和b / s雙重體系結構;並給出了挖掘過程的部分函數調用關系及系統挖掘的處理過程、部分處理程序。
  12. Because of the crystalline leading to the piezoelectricity of pvdf, pvdf fiber and pvdf / pa11 fiber ' s structures and crystalline were investigated and analyzed by means of wide angle x - ray diffraction, differential scanning calorimetry, fourier transmittance infra - red spectroscopy and scanning electron microscopy, etc. it was shown that there are two kinds of crystalline - a phase and b phase in pvdf fiber

    由於pvdf的壓電性與晶體結構有關,於是利用紅外光譜、差熱分析、廣角x光衍射和掃描電鏡等測試手段對純pvdf纖維以及pvdf pa11共混纖維的結構性能及晶型轉變進行了深入的研究。
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