熱聲學法 的英文怎麼說
中文拼音 [rèshēngxuéfǎ]
熱聲學法
英文
thermoacoustimetry-
This paper mainly discusses the designing and testing method to the dds acousto - optic mode locking. it also makes some further analysis on the critical technology - - - - - - the transducer acoustical membrane matching and transducer thinning, which can directly affect the performance of acousto - optic elements. it then analyses the heat effect of acousto - optic elements and the technology of transducer thinning by developing ion - beam sputtering of high frequency acousto - optic elements
本文重點討論了dds聲光鎖模器的設計及測試方法,討論和分析了影響聲光器件性能的關鍵工藝換能器聲學膜層匹配和換能器減薄工藝,對聲光器件的熱效應進行了測試分析,對離子刻蝕法聲光換能器減薄新工藝作了一定的探討。As the microbolometer which is voltage biased express some characters different from other infrared detectors under the effect of electric heat and infrared radiation together, the computing method of parameters, such as responsivity, noise, noise equivalent temperature different ( netd ), noise equivalent power ( nep ), optical gain, detectivity and so on is given in this paper. some of these parameters are particular compared with other detectors, and some have difference between microbolometer and other detectors
由於微測輻射熱計在施加偏置電壓的情況下,電熱效應與紅外輻射的共同作用使它表現出與其他紅外探測器完全不同的一些特徵,文中給出了響應率、噪聲、噪聲等效功率、噪聲等效溫差、光學增益、探測率等參數的計算方法,這些參數中的部分是微測輻射熱計獨有的,或者與其他的紅外探測器的同一參數有所區別。G. swift, thermoacoustics : a unifying perspective for some engines and refrigerators, los alamos national laboratory, http : / / www. lanl. gov. 2001
羅二倉譯) , 《熱聲學:一種適用於某些發動機和製冷機分析的統一方法》 ,中科院理化技術研究所,北京, 2001 。In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied
研究路線為:選用納米級al _ 2o _ 3陶瓷顆粒作為增強相,在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆,採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料,研究分析復合材料的成分、組織結構、硬度以及緻密度,對試樣進行了干滑動摩擦磨損實驗。However, seed dormancy can be broken by a variety of physical treatment such as mechanical, temperature, stratification, hot and dry storage, radiation, ultrasonic waves, magnetic field etc
物理方法包括機械處理、溫度處理、低溫層積、干藏和乾熱處理、射線、超聲波處理和電場、磁場處理;化學處理包括激素處理、無機化學藥劑處理和有機化學藥物處理。Abstract : in this paper the synthesis methods of silver nanostructure materials, such as nanocubes, triangular nanoprisms, nanorods, nanowires, nanotubes, dentrites, flake, nanodisks, nanobelts, and so on, were introduced, the methods include reducing precipitation, photoinduced conversion, irradiation reduction, electrodeposition, template, microwave - assisted, ultrasonic - assisted, hydrothermal assemble, microemulsion, and so on
摘要:介紹了納米立方體、三角形納米稜柱、納米棒、納米線、納米管、樹枝狀、片狀、納米盤、納米帶等納米結構銀的制備方法,包括溶液還原沉澱法、光誘導轉化法、輻射還原法、電化學沉積法、模板法、微波或超聲波輔助法、水熱法、微乳液法等。The model is solved with the finite difference method, the simulation software is organized to simulate the transient thermal response of the front region of projectile wing such as those launched by electrothermal chemical guns
採用有限差分法進行數值求解,並編制了較為通用的模擬軟體,用於模擬諸如由電熱化學炮發射的高超聲速穿甲彈彈翼前緣的瞬時熱效應。Focusing on the problem of sound field of scattering due to the existence of tubes, the general mathematical model modeled according the condition of plant, and then the coefficient of sound scattering is resolved by using the method of inverse matrix, the functions of arbitrary configuration of tubes is got, the far field scattered pressure and near field scattered intensity of the unit of heat exchanger tubes is calculated, at last, the effect of soot cleaning due to the existence is analyzed
論文根據爐內管束的實際情況,建立換熱器管束聲波散射的通用數學模型,利用迭加原理法求解模型中的待定散射作用系數,得出任意布置管束的散射聲場特性,並具體計算鍋爐換熱器管束單元聲波散射遠場聲壓分佈和近場壁面的聲強分佈,最後分析由於聲波的多重散射作用而對聲波吹灰的影響。Methods for testing and rating terminal reheat units for air distribution systems - acoustic testing and rating
空氣分配系統終端再熱裝置試驗與評定方法.第2部分:聲學試驗和評定Abstract : the fesiibility of ultrasonic liquid infiltratio n method in the fabrication of cf / al composite wires is discussed. composite wires with good properties are obtained by adopting proper parameters including the preheated temperature of fiber, temperature of melting aluminum, infiltrati ng time and the ultrasonic energy
文摘:探討了超聲液相浸滲法在制備碳(石墨) /鋁復合絲過程中的適應性,通過選取適當的工藝參數,包括纖維去膠及預熱溫度、鋁液溫度、浸滲速度和引入的超聲能量等,可以得到復合質量較好、具有較高力學性能的復合絲。Hence, analytical expressions are developed to allow for characterization of the vehicle ’ s dynamics early in the design cycle. the method involves a two - dimensional hypersonic aerodynamic analysis utilizing newtonian theory, coupled with a one - dimensional aero / thermo analysis of the flow in the engine of the vehicle
方法中包括一個應用牛頓力學理論的二維的高超聲速空氣動力學分析以及一個一維的氣動/熱分析,後者用於模型發動機中的流體分析。Brillouin, leon. science and information theory. 2nd ed. academic press inc, london, england, 1962. topics include brownian motion, thermal noise, information theory, entropy, and the author ' s personal view of maxwell ' s demon
科學和信息理論,第2版,學院出版社英國倫敦1962年出版。其中包括有布朗運動,熱噪聲,信息理論,熵和作者本身對麥克斯韋妖的看法。分享友人