直接熱解法 的英文怎麼說

中文拼音 [zhíjiērèjiěfǎ]
直接熱解法 英文
direct pyrolysis method
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 解 : 解動詞（解送） send under guard
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 直接 : direct; immediate
  • 解法 : method of solving; solving process; [數學] solution
  1. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型，通過新近建立的mnls孤子直接微擾理論，研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移，以及通過頻率濾波對自頻移的抑制。為此，首先給出描述mnls孤子的各物理量，然後用mnls孤子直接微擾理論，解析地得到這些問題絕熱近似下的孤子參數演化，並由此選擇頻率濾波的參數，最後用分步傅里葉方法，在對非線性項微商的演算法做出了適合於mnls孤子的改善後，對拉曼效應及頻率濾波進行了直接數值模擬，其中頻率濾波參數用微擾理論確定。
  2. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  3. The main contents are as follows : ( 1 ) by employing the direct method, the soliton periodic amplification system in optical fiber link with loss is considered, and the adiabatic solution ( slowly varying portion ) and first - order correction ( rapidly varying portion ) for a single soliton case are presented

    本文的主要內容如下： （ 1 ）利用直接擾動方法對周期放大系統進行了理論分析，給出孤子周期放大系統的絕熱近似解和一級修正解的積分表達式，結果分析表明孤子在放大過程中一部分能量以色散波的形式流失，而這一色散波主要由孤子周期放大系統的一級修正解來刻畫。
  4. By rapid thermal processing ( rtp ), high active atoms are excited while decomposing the gel precursor film, and consequently, much more contents of crystalline phase are obtained even at relatively lower temperature

    通過快速熱處理方法，在凝膠分解過程中得到的高活性離子直接形成晶相，可以在較低的溫度下形成晶相及得到相應更多的晶體含量。
  5. Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode

    採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極，用掃描電鏡對陽極塗層顯微形貌進行分析，通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同，塗層顯微形貌表現出很大差異，這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外，銥鉭鈦金屬氧化物陽極在海水中的消耗率很低，屬于不溶性的陽極材料，作為外加電流陰極保護用輔助陽極具有廣泛的應用前景
  6. Abstract : the mathematical model of dhcr heating of continuous casting slab is established, and solved by using the finite difference method, then the temperature distribution and heating time during different heating periods are found. this model can be used for determining the dhcr heating system of continuous casting slab

    文摘:建立了連鑄板坯直接熱裝加熱數學模型，並用有限差分法進行求解，獲得了各期加熱溫度分佈及加熱時間，此模型可用於連鑄板坯直接熱裝加熱制度的確定。
  7. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數，還是在事故所造成的停電時間上都占據總量60以上。因此，及時了解斷路器的工作狀態對提高供電可靠性有決定性意義；並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法；提出了二次迴路保護器的概念，並將跳、合閘線圈完整性監視和二次迴路保護結合起來，給出具有完整性監視功能的二次迴路保護器實現方案；根據斷路器生產廠家提供的斷路器額定短路電流分斷次數，計算每次分閘對應的觸頭電壽命損耗，預測觸頭電壽命；提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法，並根據此時的負荷電流間接計算主觸頭迴路的電阻；在硬體電路設計上，採用美國ti公司最新推出的一種功能強大的單片機msp430 ，並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題；在通信模塊的設計中，解決了不同工作電壓晶元之間的介面問題，並給出了直接聯接的接線方案。
  8. Some classes of explicit and exact travelling wave solutions of a nonlinear dispersive - disspative equation ， which describes weak nonlinear ion - acoustic waves in a plasma consisting of cold ions and warm electrons ， are obtained by a kind of com bination of the direct algebraic method and the ansatze method. some results of other papers can be regard as a special case. the method in this paper can also be applied to the higher dimensional nonlinear evolution equations

    本文通過直接代數方法與假設方法的一種結合求出了一個用於描述由冷離子和熱電子組成的等離子體弱非線性離子聲波演化的非線性色散-耗散方程的幾類顯式精確行波解.這里的結果包含已有文獻的結果作為特例.本文的方法也適用於高維非線性發展方程
  9. With the finite - difference method, self - consistent solutions for the possion ' s equation, injected current density, carrier concentration, optical field and thermal conduction equations have been realized to study the thermal - field properties, the coupling of electricity, thermal and optical - fields, and the influences of n - dbr and double oxide - confining regions on the characteristics of vcsels

    本文建立了一個直接耦合的準三維理論模型，通過有限差分法求解泊松方程、載流子擴散方程、熱傳導方程和光場方程的自洽解，研究了vcsel的熱場分佈特性，並實現了電、熱和光場的耦合，同時考慮了n - dbr及雙氧化限制層對vcsel特性的影響。
  10. In this thesis, we will focus on the nanotube structure and synthesis, including disorder multi - wall carbon nanotube, aligned multi - wall carbon nanotube array, cnx nanotube, and bcn nanotube. the effects of growth parameters, which provide scientific basis for pyrolysis of carbon nanotube, were studied systematically. furthermore, layered aligned multi - wall carbon nanotube arrays separate by catalyst particles were synthesized on the surrounding of reaction quartz tube by injection of xylene - ferrocene for the first time, which provided a chance for the accurate measure and potential use of carbon nanotubes

    在對碳納米管制備的基礎上，全面系統地研究了碳納米管的影響因素，對熱解法制備碳納米管確定了可供參考的制備工藝參數，在些基礎上，首次成功地直接在反應爐內石英管壁上直接生長分層生長的定向碳納米管，為納米管的性質的測量提供了一定的基礎，而且為定向碳納米管在微電子學領域的應用提供可能性，能成功地實現定向納米管的固定長度生長。
  11. This paper found two problems during the preparation processes of polypropylene / organophilic montmoriuonite ( pp / ommt ) nanocomposite and poly ( vinyl chloride ) / organophilic montmorillonite ( pvc / ommt ) nanocomposite : one was that pp / mmt nanocomposite was difficultly prepared by melt intercalation as a result of pp is non - polarity polymer ; other was that ommt resulted in pvc degraded in preparation of pvc / mmt nanocomposite by melt intercalation

    本文從在pp mmt和pvc mmt納米復合材料制備過程中出現的兩個難題著手進行研究：一是由於pp的非極性，難以直接用有機蒙脫土（ ommt ）熔融插層法制備pp mmt納米復合材料；二是利用熔融插層法制備pvc mmt納米復合材料過程中， ommt導致的pvc熱降解問題。
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