熱發聲法 的英文怎麼說
中文拼音 [rèfāshēngfǎ]
熱發聲法
英文
thermosonimetry-
Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二,討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非線性攝動分析及演變方程。The physical models for those sound synthesis methods can exactly describe musical instruments ' s fundamental and harmonious and inharmonious frequencyies, as well as their nautral sounding process. they can be played like real musical instruments, representing players ' s strength, velocity and pattern, as well as emotion. so, the methods are playing very important roles within the sound synthesis domain currently, with mpeg4 published and improvement of computer ' s computational efficiency
由於它可以精確地描述物體的發聲及其發聲過程,精確地再現樂器的基波、高次諧波、非諧波以及asdr過程,象真實樂器一樣可以表達演奏者的演奏力度、速度、風格和情感,隨著計算機處理速度的提高,尤其是mpeg4技術的公布,這種方法日趨活躍,成為目前樂器模擬、聲音合成的研究熱點。Measurement of airborne noise emitted by machines ; enveloping surface method ; turbogenerator sets for use in thermal power stations
機器空氣噪聲的測量.包絡面法.熱電站用的渦輪發電機Chemotherapy use chemical drugs to treat tumor, it also bring harm to person ' s body. it is a new hotspot that using ultrasonic to treat tumor in the world recently. focusing ultrasonic on tumor, we can kill the malignant cells using the heat generated by ultrasonic without serious side effect like actinotheraphy or chemotherapy, so, it is new method with great hope
將超聲波用於腫瘤治療是近年來各國研究的熱點,通過將超聲波聚焦到腫瘤組織上,利用其熱效應殺死腫瘤細胞,不會給患者帶來生理痛苦,也不會像放療和化療那樣產生嚴重的副作用,因此是一種很有發展前途的新方法。In this paper, researches were made on diagnosing the rolling bearings on the freight in the high - speed freight train by using ae method : we analyse the the non - dimensional parameters diagnosis ( ndpd ) in time domain of vibration, which have been adopted in the lab
因此,滾動軸承的故障檢測一直是研究的熱點。本文對于高速行駛的鐵路貨車輪對滾動軸承的不分解檢測的聲發射檢測法進行了研究。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 。There are variations, of course, but the basic pattern for many chinese dishes is to pre - heat the pan or wok ( a drop of water will sizzle when it s hot enough ), add the oil and heat it, stir - fry the meat, remove it, stir - fry the vegetables, return the meat to the pan, add sauce and seasonings, thicken the sauce and serve
當然炒的方法是多種多樣的,但基本操作方法是先將炒鍋或平鍋燒熱(這時的鍋熱得滴上一滴水都會發出唧唧聲)注入油燒熱。先炒肉,待熟盛出。再炒蔬菜、再將炒好的肉倒入鍋,兌入汁和調料,待汁收好。There are variations, of course, but the basic pattern for many chinese dishes is to pre - heat the pan or wok a drop of water will sizzle when it s hot enough, add the oil and heat it, stir - fry the meat, remove it, stir - fry the vegetables, return the meat to the pan, add sauce and seasonings, thicken the sauce and serve
當然炒的方法是多種多樣的,但基本操作方法是先將炒鍋或平鍋燒熱這時的鍋熱得滴上一滴水都會發出唧唧聲注入油燒熱。先炒肉,待熟盛出。再炒蔬菜再將炒好的肉倒入鍋,兌入汁和調料,待汁收好。Then, some proposals and methods are brought forward on the analysis of the causes of these kinds of noise. seeing that the noise radiates through the inlet of air and iron box, a silencer for the inlet and a rectangular enclosure are designed
針對加熱器回風口和方箱是噪聲向外輻射的必經途徑,本文主要從消聲器消聲設計、方箱隔聲設計兩個方面出發,探討了不改變加熱器結構的降低噪聲方法。To the cabin which is designed by the forth department chongqing communication college, the model which includes the air in the cabin, generator set and public muffler is built integer, meshed, and added by boundary condition and load. the normal k - model etc are used to be turbulence model of the air in cabin respectively, the turbulence model is calculated by simplef or simplen algorithm, and by the first order accurate msu or the second order accurate supg in advection discretization scheme
論文對艙內空氣、發電機組和公用消聲器進行了整體建模和網格劃分,施加機組艙模型的邊界條件和載荷,採用標準k -等多個模型來分別模擬機組艙通風散熱的空氣湍流流動,採用simplef和simplen兩種不同的數值演算法以及一階msu和二階supg的對流項分離方案來對流動模型進行運算。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。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。These conclusions will be valuable for the non - destructive testing techniques based on the vibrothermography method to some extent. compared with other conventional detection method ( such as ultrasonic scanning, x - ray radiography, and acoustic emission, etc. ), the vibrothermography method presented in 1980s is rapid, safe, non - destructive and applicable to the structures " global detection
本文所研究的振動紅外熱像法是上世紀八十年代以來出現的一種無損檢測方法,與其它傳統的檢測方法(如超聲波法、射線照相法、聲發射法等)相比,具有快速、安全、無損和可對整體結構進行全場檢測的優點。分享友人