燒蝕體 的英文怎麼說
中文拼音 [shāoshítǐ]
燒蝕體
英文
ablaror-
Spectro - analysis of gas breakdown in laser - induced plasma during laser ablating metal
激光燒蝕金屬靶時氣體電離分析Laser marking is a kind of technique using heat effect of laser to ablate meterials on object surface so as to leave over permanent press
激光打標是利用激光的熱效應燒蝕掉物體表面材料從而留下永久標記的技術。The charter i introduced the schematics of the experimental setup, the model of pulsed laser ablating solid target ( s - n model ) and the subplantation model for film growing proposed by y. lifshitz
第一章簡要介紹了實驗裝置、激光燒蝕固體靶的s - n模型和y . lifshitz提出的次表面生長模式。On the origin of substrate erosion in chromium plated gun barrel
鍍鉻槍管的基體初始燒蝕行為The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines
( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。The basic physical mechanisms of the electrode erosion process of high power gas switches were also studied
研究了高功率氣體火花開關電極燒蝕的基本物理過程。In the hipib film deposition, high purity graphite was employed as target. relations between process parameters and the microstructure, as well as different physical properties of diamond - like carbon ( dlc ) film deposited by hipib ablated plasma were studied by adjusting the distance between target and substrate, which affects the intensity and ion energy of hipib ablated plasma, and the temperature of substrate in the film deposition processes. the mechanism of film deposition by hipib ablated plasma was explored also
在薄膜沉積方面,利用高純石墨作靶材,調整薄膜沉積過程中的靶基距(燒蝕等離子體密度、離子能量)和基片溫度,研究實驗工藝對hipib燒蝕等離子體方法制備的dlc薄膜的微觀結構和宏觀物理性能的影響,探討了hipib燒蝕等離子體沉積dlc薄膜的成膜機理。In this thesis, we studied the emission spectra of laser ablation al and cu plasma. ( 1 ) the emission spectra and space - resolved - spectra of aluminum plasma were observed by pulsed q - switched yag laser
( 1 ) a1等離子體光譜:在380 500nm范圍內觀測到激光燒蝕a1產生的等離子體發射光譜及空間分佈特徵。The recent progress in the instrument, analytical technique of laser ablation inductively coupled plasma mass spectrometry ( la - icp - ms ) in metallurgical analysis has been reviewed
摘要從儀器發展、分析技術應用研究等方面介紹了近年來激光燒蝕進樣電感耦合等離子體質譜法( la - icp - ms )在冶金分析領域的最新進展。The paper simulate the transient thermal response of projectile wing according to the simulation software, and discuss the ablation characteristic when the projectile wing is in different initial velocity, in different wing shape, in different atmosphere condition and in different material condition
本文通過模擬軟體模擬了彈翼的瞬時燒蝕外形,並詳細討論了不同初速、不同翼形、不同氣象條件及不同材料條件下的燒蝕特性。The new requirements for applications in material surface engineering urge a new type of hipib apparatus, for instance, the generation of medium - power - density ion beam, high - stability ion beams and long - lifetime ion source etc. therefore, characterization of high power ion diode - magnetically insulated ion diode ( mid ), the key issue for the technique development, is considered in this dissertation. the investigations of hipib generation and its mechanisms have been carried out in a temp - 6 hipib apparatus, in order to optimize the configuration of ion diode and its ion beam parameters for materials surface treatments
針對強流脈沖離子束( hipib )技術研發的關鍵環節?高功率離子二極體(磁絕緣離子二極體)的工作特性,在temp - 6型hipib裝置上開展了hipib產生及其形成機理的實驗研究,確定了優化的離子二極體結構和輻照工藝參數;通過hipib輻照金屬材料燒蝕行為的系統研究,揭示了燒蝕表面形貌的形成規律,為徹底弄清hipib與材料相互作用機理提供了實驗依據。The results of static firing test shows that the thermal erosion properties, mechanical properties, tand thermal shock resistance of the c / sic composites can meet a demand for thermal - structure application in the area of aerospace such as liquid rocket thruster
試驗發動機地面熱試車結果表明,該c / sic復合材料的力學性能、燒蝕性能和熱震性能優良,可滿足宇航工程中諸如液體火箭發動機推力室等對熱結構材料的使用性能要求。The ablation process in oxygen - riched condition was explored and a physical model was established. electron microscope scanning showed that thermal insulation would form three layers during ablation, namely, primitive material layer, pyrolytic layer and charred layer
在實驗基礎上對富氧燒蝕過程進行了分析,建立了富氧條件下以基體層、熱解層、炭化層三層結構為基礎的燒蝕物理模型。By investigating the specialty of functions in the expression, the following conclusion was drawn : particle concentration was the dominant factor that enforced ablation, and angle contributed to ablation via cutting the char layer
通過分析關聯式中各項函數特性,得到粒子聚集濃度是影響燒蝕量的主要因素,而角度對于燒蝕量的貢獻主要體現在對絕熱層炭層的剪切破壞上的結論。The system can scan stereoscopicly the internal tube of the measured object, the aim is to test the internal flaws of the inspected object, such as crazing, rust - eaten and dropping of electroplated coating
該系統對被檢測物體內表面進行立體掃描,可獲得被檢測物體內壁疵病信息,包括燒蝕面積,裂紋深度及電鍍層脫落面積等。Based on that, the system developed for ablation area measurement combines mechanics, optics and computer organically, according with the development trend of instrument towards high precision > integration and intelligentizing. it has been in work with excellent efficiency
據此所研發的燒蝕面積測量系統順應測量儀器精密化、集成化、智能化的發展趨勢,將機電、光電和計算機技術有機地融為一體,實際運行中,在效率和速西安理工大學碩士學位論文度上達到良好的效果。Other technological advancements prevent discoloration and corrosion around the cone housing the flame burns
其它技術上的進步還可以防止火焰燃燒錐體周圍的油漆變色和腐蝕。Laser - ablation technique is a powerful and available method, and has been widely used in many important fields, such as thin film preparation, nano - technique and element analysis. in the course of laser - ablation, the ejected species is normally called laser ablation plasma, and its processes of production and expansion are very complex
脈沖激光燒蝕技術在材料處理、薄膜制備、納米技術、微量元素分析等領域的應用越來越廣泛,但激光-固體相互作用、等離子體的形成及膨脹等過程尚未完全清楚。The experimental results show that dlc film could be deposited on silicon substrate rapidly and uniformly in a large area by means of ablated plasma jet generating on the target surface during hipib irradiation, the instantaneous deposition rate is as high as imm / s and the uniform deposition area covered 40 - 50 cm2
實驗結果表明,利用hipib燒蝕等離子體在si基體上可以實現快速、大面積、均勻地沉積類金剛石薄膜,薄膜的瞬時沉積速率達到1mm s ,均勻薄膜的面積達到40 ? 50cm ~ 2 。分享友人