能譜硬化 的英文怎麼說
中文拼音 [néngpǔyìnghuà]
能譜硬化
英文
hardening of spectrum-
In experiment, the dsc technique was used to analyze the effect of electric fields on the precipitate kinetic of al - li alloy solutionized with electric fields. the energy spectrum, tem and sem techniques are employed to investigate the elements solution, precipitates, fracture character, conductivity and vickers hardness. also, the solidification of al - cu eutectic alloy was conducted with the influence of electric fields
在實驗上，利用dsc熱分析技術，分析了電場作用對al - li合金相析出動力學的影響；採用能譜成份檢測，透射電鏡和掃描電鏡等多種微觀檢測手段，對鋁合金的析出相，斷裂特徵、合金電導率和維氏硬度等性能在電場作用下的變化進行了系統的研究，並觀察了al - cu共晶合金在電場作用下的凝固組織。Following is our main work and important conclusions : ( 1 ) the question of energy spectrum hardening. we used the klein - nishina ' s differential scatter formula, meanwhile utilize the thaler progression to spread out, and neglected the high - power, and then we deduced a theoretical formula of correction of energy spectrum hardening
其主要工作和結論如下： （ 1 ）對x射線能譜硬化問題，把klein - nishina微分散射方程，利用泰勒級數展開，在忽略高次項的情形下，近似地推導出了能譜硬化修正公式。This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration
本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法，實際標定了所用的探測器和單色儀系統，測得了噴氣靶激光等離子體光源的相對光譜分佈，設計出絕對光譜分佈的測量方法，並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統，完成了多層膜反射率測量工作。Through the help of scientific machine detecting, we find out she has the genital weakness in her left kidney meridian system, heart weakness, normal pressure, and liver cirrhosis
經能量醫學儀器檢測，發現為左腎經絡系統先天不足，心系統偏弱，壓力指數尚可，肝硬化的能量頻譜。So people have paid many attentions to the research of energy spectrum hardening and the photon scattering
因而關于射線的能譜硬化和散射研究工作，成為人們廣泛關注的課題。( b ) that designing a program to correct the energy spectrum hardening during reconstructing image is feasible. ( 2 ) the question of photon scattering
（ b ）利用本論文所推導出的能譜硬化修正公式，在圖像重建時編制一個程序進行能譜硬化修正是切實可行的。How improving the capability of ict has become more and more an important task, for example, improving spatial resolution and density resolution, reducing scan time, enlarging the size of measure space, improving image quality, etc. moreover the question of the energy spectrum hardening and the photon scattering is one of important bottleneck to restrict the improvement of ict
如何提高工業ct的性能指標，如怎樣進一步提高空間解析度、密度解析度，減少掃描時間，增大可測工件尺寸，改善圖像質量等等成為了ct界面臨的重要任務。而其中射線的能譜硬化和散射問題，又是制約工業ct各項性能指標提高的重要瓶頸之一。Reference to the convention means of the analysis and research for energy spectrum hardening and photon scattering in internal and external, and based on the physical mechanism of radial interacts with matter, this paper approximatively deduce a theoretical formula of correction of energy spectrum hardening and scattered radiation in transmission industrial x - ray computerized tomography from a ideal model. and presented a correction computer program
本文在分析研究國內外有關射線能譜硬化和散射修正問題的分析方法及其研究狀況的基礎上，從射線同物質相互作用的物理學機理出發，從理論上近似推導了x射線能譜硬化和散射修正計算公式，建立了散射修正的分析模型，並編制了相應的計算機修正程序。The company has the advanced precision casting, the machine - finishing equipment and the check - out facility, including : disk wax mould machine, moistening slurry machine, intermediate frequency melting furnaces, cnc tooling machine, spectrometer, metallurgical microscope, hardness testing machine, computer material test machine. and so on
公司擁有先進的精密鑄造、機械加工設備及檢測設備，其中包括：雙工位射蠟機、圓盤射蠟機、沾漿機、中頻熔化電爐，光譜分析儀、金相顯微鏡、硬度試驗機、電腦萬能材料試驗機， cnc數控車床、普通鉆銑床及閥門管件殼體、密封試驗機等。In this paper, the main frame of the graph data collection system of dmas is provided, the basic principle of the hardware system is analyzed, and the functions of automatic focus, automatic sampling, and picture joint are described at length
本文主要介紹了dmas智能化鐵譜分析系統的圖像數據採集系統的基本框架，分析了系統的硬體原理，詳細描述了自動聚焦、自動采樣、圖像拼接等具體功能的實現。In order to eliminate the beam - hardening artifacts, most current correction algorithms have to assume that the x - ray beam spectra are known and the mass attenuation coefficients of the detected object related to different energy are given
目前的多數射束硬化校正演算法需假設已知ct系統的x射線能譜，並已知構成被測物體的物質關于不同能量的光子的質量衰減系數。Then some methods including optimizing the spectrum and intensity of 3w1 beam line and improving the performance of pmma were put in force, and pmma structure with aspect ratio 100 was obtained under these optimum conditions. moreover, such steps as controlling ph, electrodepositing, using activator and a second cathode, and mending the power supply were taken to solve a series of problems coming into being during electroforming process correspondingly, for example, air holes, inner stress, and ununiformity of deposition
並針對3w1光源中硬x光成分較多、光強和功率密度太高的特點，提出了用ni吸收膜改善光譜和用x光暫波器法優化光強的方法，同時嚴格控制和改善pmma光刻膠的性能，經過反復的計算分析和實驗改進后，獲得了深寬比高達100的膠結構圖形。A design project based on signal channel space spectral estimation used to direct finding is proposed. in this system, it is simpler in hardware manufacture. on the other hand, some signal processing methods of space spectral estimation are used such as wavelet transform and dummy array in order to improve capability of the system doa in complex environment
為此，本文提出了基於單通道譜估計測向的方案，在硬體上簡化系統，降低設備製造難度；在軟體上利用現代信號處理技術進行研究分析，採用小波變換、虛擬陣元等方法來改進系統doa的性能。" the software is the instrument " is the major characteristic of virtual instrument technology. in this paper, labview graph software is adapted to realize a series of functions such as fft, avoiding frequency spectrum leakage and interleaving etc that are realized by hardware realization originally
「軟體就是儀器」是虛擬儀器技術的主要特點，本文採用labview圖形化軟體實現了原來用硬體實現的fft變換、防頻譜泄漏和抗混疊等一系列功能。Hxmt can achieve the following science missions : ( 1 ) observing the hard x - ray in the whole space and plotting its distributional map. ( 2 ) image observing the interested space deeply. ( 3 ) continuously and sensitively observing the special celestial bodies, and gained the energy spectrum and changes with time of the celestial bodies " radiation
它能完成下述科學任務： （ 1 ）完成硬x射線巡天觀測，描繪硬x射線天圖； （ 2 ）對感興趣天區作深度的成像觀測； （ 3 ）對特殊的天體作高靈敏度連續觀測，得到其輻射的能譜和時間變化。分享友人