b-scan 中文意思是什麼

Figure 16. a, desmoid tumor in a previous scar. b, color doppler scan of a desmoid tumor in a previous scar revealing some vascularity in the lesion

圖16 ， a ，以前疤痕處的硬纖維瘤。 b ，彩色多普勒掃描以前瘢痕處的硬纖維瘤病變處顯示一些血管供應。

Figure 10. a, femoral hernia. h indicates hernial sac. b, color doppler scan of a femoral hernia at 2 different leels showing the mass medial to the femoral essels

圖10a ，股疝。 h ，疝囊。 b ，于股疝兩個不同的水平經彩色多普勒掃描顯示腫物位於股血管內側。

Figure 10. a, femoral hernia. h indicates hernial sac. b, color doppler scan of a femoral hernia at 2 different levels showing the mass medial to the femoral vessels

圖10a ，股疝。 h ，疝囊。 b ，于股疝兩個不同的水平經彩色多普勒掃描顯示腫物位於股血管內側。

Figure 20. a, enlarged inguinal lymph node. note the echogenic hilum. b, color doppler scan reveals the vascular hilum of the lymph node

圖20 ， a ，腹股溝淋巴結增大，注意淋巴結門的回聲。 b ，彩色多普勒掃描顯示淋巴結的血管門。

Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。

B - scan presenfation ? b

型掃描顯示

The evahuation of x - ray, b - scan and ct in localization of foreign bodies in the wall of eyeball

對103例眼部異物進行診斷及定位的臨床分析

A persistent shinning membrane of incomplete pvd and vitreomacular traction was found in indirect ophthalmoscopy and was confirmed by oct and b - scan ultrasonography

光學同步斷層掃描圖儀上的表現是明確的玻璃體黃斑部牽扯癥。

The alert of the disease combined with careful examination of indirect ophthalmoscopy and the aid of b - scan ultrasonography will achieve the correct diagnosis of the disease

我們只要對這種疾病存有警覺性，並藉著詳盡的眼底檢查及超音波掃描，通常可有正確的診斷。

Ultrasound b - scan images processing subsystem is one of the key subsystem of the tumor therapy system with hifu, playing an important role in the development of the tumor therapy system with hifu

B超圖像處理子系統是高能超聲聚焦腫瘤治療系統的關鍵子系統之一，對它的研究直接關繫到腫瘤治療系統的成敗。

The whole frame used in this paper is that, first, by using video card, we get a series of b - scan images, then delete the noise in this images. secondly, draw the outline of interesting object in each image by manual, through clicking mouse on screen. thirdly, reconstruct 3d - image using 2d contour

本文圖像處理採用的總體方案是：首先，運用圖像採集卡從b超儀獲取一系列超聲斷面圖像，然後對超聲圖像進行去噪預處理，再通過人機交互的方式，手工勾畫出各層圖像中感興趣目標的輪廓線，並運用三維重構技術進行三維重構，最後運用opengl將三維圖像顯示出來。

In this paper, we study this aspects of ultrasonics, b - scan imaging, image collecting, digital image processing, and establish the whole frame of image processing. we first use matlab to simulate for its feasibility, then write programme and debug it

本文對超聲波原理、 b超成像原理、圖像採集技術、數字圖像處理技術、三維可視化技術等進行了較為全面的研究，確定了圖像處理的總體方案，首先用matlab對要採用方法進行模擬以驗證可行性，然後進行軟體編制和調試。

This dissertation first discusses the two - dimension interpolation algorithm and coordinate rotation digital computer algorithm involved in the process of designing system. then the paper particularly probes into the research and development of b - mode digital scan converter, m - mode digital scan converter and graphic circuitry in the digital scan conversion system

本文首先對系統設計過程中引入的二維線性插值演算法和坐標旋轉數字計算演算法進行了討論，然後著重論述了數字掃描變換系統中的b型數字掃描變換器、 m型數字掃描變換器和圖形界面電路的原理、設計與實現。

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。

Television analog recording - 1 - in type b helical scan - frequency response and operating level

電視模擬錄制. 1英寸b型螺旋掃描.頻率響應和運行級

Same as paper applications, e - applicants should scan, upload and submit the documents in paragraph 4 ( a ) and ( b ) above. alternatively, these supporting documents can be submitted to tid by fax or in person. as for all e - applications, upon successful submission, e - applicant should follow the instructions to print out by themselves the receipts for future collection of the approved dvcs

與紙張方式申請相同，商號應遞交於上文第4 （ a ）及4 （ b ）段所列之證明文件，商號可掃瞄並於提交電子申請時一併上載該等證明文件或選擇利用圖文傳真或親自提交該等證明文件至工業貿易署。

In this paper a design of a digital b scan system is proposed. the digital quadrature envelope detection is used to detect the envelope of ultrasound, and a simulated result is given

本文致力於模擬b超的數字化工作，將正交數字包絡檢波方法用於超聲回波信號的提取，並給出了模擬結果。

Television analog recording - 1 - in type b helical scan - records

電視模擬錄制. 1英寸b型螺旋掃描.記錄

Television analog recording - 1 - in type b helical scan - basic system parameters

電視模擬錄制. 1英寸b型螺旋掃描.基本系統參數