燒蝕率 的英文怎麼說
中文拼音 [shāoshílǜ]
燒蝕率
英文
ablation rate-
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。Severe fires can often cause changes in successional rates and soil hydrologic functions, degradation of soil physical properties, alter c : n ratios, and result in subsequent nutrient loss through accelerated erosion, leaching or denitrification, and alterations in microbial populations and associated process can occur
高強度火燒往往能引起演替頻率的改變，土壤物理性質退化，水文功能發生改變，改變c n比，加劇侵蝕、淋溶和反硝化作用，導致養分流火，微生物數量及其相關過程發生變化。The injection process parameters influencing on injection, debinding behavior and process influencing on defects, sintering influencing on shrinkage, density, mechanical properties, and stainless steel adding cu for injection molding were examined. the experiment showed that flowing property of mixing was improved other than stability with increasing temperature and paraffin ratio in binder
用石蠟、聚乙烯、聚丙烯為添加劑，油酸為表面活性劑，組成石蠟基多組元粘結劑體系，研究注射成形工藝過程，工藝參數對成型的影響，脫脂行為和脫脂工藝對脫脂缺陷的影響，燒結工藝對收縮率、密度、力學性能的影響，以及含銅不銹鋼對不銹鋼耐蝕性的影響。The preparation of metal - supported mullite and zro2 / batio3 ceramic membranes was studied. the influences of ceramic composition, sintering temperature and carbon content on the properties of ceramic materials ( porosity, pore diameter and strength, etc. ) were investigated. alkali corrosion resistance and electrolytic experiment results of these ceramic membranes were compared to those of asbestos and al2o3 porous ceramic membranes
研究金屬支撐平板陶瓷膜的制備工藝技術，陶瓷膜的組成、燒成溫度、碳含量對材料性能（孔隙率、孔徑、強度等）的影響，比較幾種材料的陶瓷隔膜堿蝕量與電解實驗結果。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 simulations results show that the spoiler is available to make the fuel and the oxidizer coming from the former to stay in the cavity for a long time, to let the fuel and oxidizer mix and burn completely. since there is a high temperature zone forming by vortex in the middle of the motor, it required a restricted thermal protection. the plate with holes decreased the vortex function in the cavity, which could not promote the combustion efficiency, but to decrease temperature in the cavity and be benefit to thermal protection of the wall
計算結果分析表明:擾流板可以使燃料和氧化劑在擾流腔內的滯留時間加長，促進燃料與氧化劑的摻混燃燒，提高燃燒效率，但由於渦流在發動機的中間部位形成了高溫燃燒區域，致使局部燃料和絕熱層燒蝕速率增大，加大了熱防護的難度;孔板結構減弱了擾流腔內迴流區的漩流作用，不能增加推進劑燃燒效率，但可以使擾流腔內的溫度降低，給壁面熱防護帶來好處。Finally, the numerical technique was used to investigate influence that different parameters on ablation rate. the relationship between oxygen percentage, pressure, depth of charred layer and ablation rate were obtained
最後計算了不同參數對材料燒蝕率的影響，得到了燒蝕率隨富氧含量、試驗段壓強以及炭化層厚度變化的趨勢。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。By the numerical results basic physical processes of electrode erosion are investigated, the relations between eroded volume of electrodes and some characteristic parameters of electrode materials such as heat conductance, specific heat, melting point, boiling point and so on were obtained, and erosion - resistant capabilities of copper, tungsten and aluminum were compared
通過計算研究了電極燒蝕過程的基本物理圖象，得到了電極材料燒蝕量與材料熱導率、比熱、熔點、沸點等特性參數的關系，並比較了銅、鎢、鋁三種電極材料的耐燒蝕能力。Groove shape function of laser power, scanning velocity and materials ' thermo physical coefficients was solved due to temperature at ablation front keeping decomposed temperature, and the proposed model was tested in polymethylmethacrylate experiment
基於燒蝕面上的溫度始終保持為降解溫度，求出關于激光功率、掃描速度和材料熱物理系數的微流道外形函數解，並用聚甲基丙烯酸甲酯進行了實驗驗證。Thirdly, this dissertation briefly introduces the engineering estimation method of the aerodynamic heat and supplies the simplified formulas. not considering the rejection, the ablation and some other factors, the author calculates the stagnation heat flux and the non - stagnation field heat flux distribution of some fly situation as the example aerodynamic heat environment. finally, by using the ansys program, the thermal vibration characters of the plate and missile body structures with different materials is analyzed
這一方法提高了熱振動的分析效率；第三，簡要的介紹了工程上計算氣動熟的估算方法及熱流密度計算的簡化公式，在不考慮燒蝕以及質量引射等影響下，本文計算了幾種飛行條件下駐點和非駐點區的熱流密度分佈，作為本論文算例的氣動加熱環境。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 。To find the ways to increase repetition rates and lifetime of the switches, mechanisms of two physical processes which determine repetition rates and lifetime of the switches, dielectric recovery and electrode erosion, were studied in theory, and a serial of high - energy high - coulomb repetitive experiments were performed with two different three - electrode gas spark switches designed by ourselves
為了探尋提高開關重復頻率和壽命的技術途徑和方法，對制約開關重復頻率和壽命的兩個主要物理過程?絕緣恢復和電極燒蝕的機理進行了理論研究。設計了兩種形式的三電極吹氣式氣體火花開關，並進行了高能、大電荷量重復頻率實驗研究。分享友人