sample beam 中文意思是什麼
sample beam
解釋
抽樣射束-
In most recent studies, researchers have analyzed aluminum - rich minerals such as anorthite and hibonite using an ion microprobe, which bombards a sample with a focused ion beam to release secondary ions from the sample ' s surface
在最新的研究中，科學家使用離子微探針來分析鈣長石、黑鋁鈦鈣石等富含鋁的礦物，以聚焦的離子束撞擊樣本，使樣本表面釋出次級離子。 -
The sample should not be so large as to increase unduly the width of the diffracted beam.
樣品不應當過分大，以致不恰當地增加了衍射束的寬度。 -
The phenomenon of interference is presented when the x - ray beam hits the thin layer sample at glancing angle, the angles corresponding maximal and minimal intensity of x - ray fluorescence are described when the phenomenon of double - beam interference or multiple - beam interference is occurred
介紹了掠射x射線與薄膜樣品作用時產生的干涉現象，給出了x射線雙光束干涉和多光束干涉產生極值的條件。 -
The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。 -
According to the principle of a new scanning electron microscope and the mechanism of the interaction between electron beam and solid target, the trajectories of an incident electron in a sample are simulated, a simulation program is compiled using the monte carlo method, and the backscattering coefficients corresponding to different parameters of the sem are obtained
摘要根據新型分析掃描電子顯微鏡的工作原理及載能電子束和固體相互作用原理，利用蒙特卡羅方法模擬入射電子和靶物質的相互作用過程，編制了蒙特卡羅模擬計算程序，獲得了對應不同電鏡工作參數的入射電子背散射率。 -
Elemental analysis based on the emission from plasma generated by focusing a powerful laser beam on a solid sample surface is known as laser - induced breakdown spectroscopy ( libs ). when the power density of laser on the sample surface is high enough, the sample is vaporized, and the neutral and ionic species are formed in excited states
利用聚焦的強激光束入射固體靶表面產生激光等離子體，對等離子體中原子和離子發射譜進行雜質元素分析，這一過程叫做激光誘導擊穿譜（ laser - inducedbreakdownspectroscopy ） ，簡稱（ libs ） 。 -
The bending effect of the substrate is eliminated effectively because both major surfaces of the sample are detected by the probing laser beam in this method
這種方法中，探測激光探測樣品的兩個主面，可有效消除基底彎曲效應。 -
The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters
本文對激光立體成形的工藝特性進行了深入系統的研究，發現如果要獲得理想的成形效果，就必須對成形過程中的工藝參數進行精密控制，例如激光功率、激光光斑大小、光束掃描速度、搭接率等；同時為了保證成形件有較高的尺寸精度和表面質量，必須對成形零件的氧化問題進行控制，通過改進側向送粉噴嘴的結構設計，成形件的表面氧化問題得到適度控制。 -
At the s ame time, an exceptional structure has been found in the sample annealed for one hour at 800. it appears the single crystal lattice irradiated by high - energy electron beam within a few seconds and then becomes amorphous structure quickly
同時在800退火1小時的薄膜中發現一種異常結構，在短時間高能電子束照射下呈現明晰的單晶衍射斑點，但時間一長，非晶化現象嚴重。 -
The paper, in the light of my bureau ' s construction experience and project practice in constructing large span prestressed continuous beam bridge ( continuous rigid frame ) in recent dozens of years, introduces a new thinking about the standardized design of cable - stayed hanging basket and the standardized construction technology of the continuous beam bridge ( continuous rigid frame ), gives the detailed account of a series of construction technique and achievements such as : the development and construction ways of large span continuous beam bridge, the standardized design thinking and operation of cable - stayed hanging basket, the standardized construction technology of the continuous beam bridge ( continuous rigid frame ) etc., meanwhile, it is attached with a whole set of detailed standardized design sample drawings of cable - stayed hanging basket
本文根據我局十幾年來修建大跨度預應力連續梁（連續剛構）橋的施工經驗和工程實例，介紹了一種斜拉式掛籃標準化設計的新思路及連續梁（連續剛構）橋標準化施工工藝。詳細敘述了大跨度連續梁橋的發展、施工方法、斜拉式掛籃標準化設計思路及做法、連續梁（連續剛構）橋標準化施工工藝等一系列施工技術及成果，並附有全套詳細的斜拉式掛藍標準化設計定型圖。對同類型橋梁的施工及掛籃設計具有參考價值。 -
They used liquid and gas chromatography to fractionate the sample into its molecular constituents ; an electron beam then fragmented the separated molecules in a mass spectrometer to produce a spectrum indicating the basic chemical components
他們運用液相與氣相層析法，將樣本的組成分子分開，然後導入質譜分析儀，以電子束使已分離的分子斷裂，進而產生出可識別基本化學組成的圖譜。 -
With the sample of the beam in high power multi - pass amplification, the three - dimensional mathematic model had been set up and the calculation method which functions well in solving these mathematic model is got, the computer simulation of the optical path is also realized
通過對多程放大系統的高斯光束進行高密度典型光線取樣，建立雜散光及鬼像分析的三維數學模型，進而得出適合於求解這類數學模型的計算方法，實現計算機光路模擬。 -
The main performances of the afm were in the advanced level around the world. the probe unit of the horizontal afm includes a photo - electronic detection unit with a particular optical - beam - deflection path, a regulating block of the setpoint of imaging force, the xy scanner and z feedback controller, the coarse adjusting and fine adjusting mechanism for the sample approaching to the probe tip. the powerful circuits of preamplifier, as well as the circuits of xy scanner and z feedback controller were developed
成功研製了臥式afm探頭，包括特有的微懸臂偏轉量的臥式光電檢測系統、 afm成像工作點（即原子力的預設置點）的調節機構、 jy }藝掃描與反饋控制器、樣品的粗調與微調機構;自行研製了高性能的psd前置放大電路、 xy掃描控制電路和z向pid反饋控制電路系統;設計了a / d & d / a控制介面，獨立開發了性能完善的afm掃描與控制軟體系統及功能強大的圖像處理軟體系統。 -
The performance of this material is affected by many parameters, five of which, including exposure power, beam ratio, grating periods, thickness of sample, composition ratio are analyzed in detail by experiments. the results illustrate that weak exposure power and a 1 : 1 beam ratio lead to the good performance
用實驗方法詳細分析了實驗條件（包括記錄光強、記錄角度（可換算成光柵周期） 、束比）對材料全息存儲性能的影響，並分析了材料本身的參數（包括材料厚度和單體比例）對材料全息存儲性能的影響。 -
The task will be completed by designing 3mm quasi - optical resonator to get small waist radius of gaussian beam existing in quasi - optical resonators. the 3mm quasi - optical resonator test system is built and the test soft is written in vc + + language. we test on dielectric plates, then realize sweep test of large - area sample by adjusting move set to get dielectrical parameter distribution
本課題擬通過設計3mm開放式諧振腔，使開放式諧振腔中傳播的高斯波束的束腰半徑盡可能小，組建3mm準光學諧振腔測試系統，編寫測試軟體，對介質片進行測試，調節移動裝置，實現對大面積介質片的掃描測試，從而測得介質片介電性能的分佈。 -
Compared with the 3 - d theoretical model that was obtained when the incident laser was gaussian beam, the 1 - d one that was obtained when the incident beam irradiated equably the sample was defective
假設入射光均勻輻照樣品所得的一維模型，與入射光為高斯光得到的三維模型進行比較，發現一維模型的不足。 -
The earthquake load of its main pile was reduced by over 80 percent. the second sample is a railway simple - beam bridge. the earthquake load of its main pile was reduced by over 50 percent
實例分析表明：設計的鉛芯橡膠支座具有明顯的減震效果，在連續梁橋中，制動墩的減震率達80以上；簡支梁橋中，減震率達50以上。 -
Then the penalty finite element formula can be derived through galerkin weighted residual method. to test the model, the paper calculate a cantilever sample and a four point bending beam under near static load and sinusoidal load
針對浸泡在液體中的懸臂梁試件和四點彎曲試件，計算了在受躍階載荷和正弦載荷作用時的變形、流動以及流動電場分佈。 -
They split a laser beam in two, sending one half to a sample
當雷射光擊中單一小顆粒，便會向後散射，然後與另外一道雷射光重新結合。 -
The attention of the conference is paid to the trends and developments in micro - beam techniques, total reflection x - ray fluorescence analysis, new x - ray detector developments, film and coat analysis, sample preparation techniques and semi - conductor material analysis, etc
會議期間，關于微束裝置及其分析技術、全反射技術與應用、探測器研製、薄層分析、樣品制備、半導體材料分析等，受到廣泛關注。
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