粒子速度計 的英文怎麼說

中文拼音 [zi]
粒子速度計 英文
particle velocity meter
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 粒子 : grain; granule
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The experimental results indicate that it is easy to be realized, can save the calculating cost and improve the constringency speed

    試驗結果表明,用群演算法來訓練樣本集具有容易實現、節省算成本和提高收斂等優點。
  2. Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically

    考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電漂移和平均電能量的變化;著重分析了激發、電離、分解及分解電離碰撞的數隨e n 、電能量的變化,同時算了激發發射光譜的波長。
  3. If an aerosol counter is used to monitor the concentration of particles in the emerging air, one finds that the concentration falls off with decreasing flow rate.

    如果用一臺氣溶膠數器檢測射出氣流中的,就會發現濃隨流的降低而減少。
  4. The physical phenomena of underwater explosion are analyzed, and the initial velocity equations and dynamics equations of water particles, which compose the water columns, are set up

    從分析水中爆炸的物理現象入手,建立了構成水柱的各水的初始算模型,結合水的受力情況,給出了水的運動方程。
  5. According to the " solid - particle " theoretical model, a theory model of the dynamic burning - velocity of a rocket - portfire in its igniting delay - time cannulation is established, a theory model of the dynamic delay - time is educed. the factors are analyzed, setting position and shape of a igniting delay - time cannulation that affect its igniting delay - time, the theoretical basis is offered to develop the high - level precision rocket - portfire in the air

    本文根據「固體」效應理論,建立了點火延期管動態燃數學模型,導出了點火延期管動態延時控制的理論算模型,分析了火箭空中點火延期管的安裝位置及其形態對其延期時間的影響,為高精火箭空中點火具的工程研製提供了理論依據。
  6. Particle swarm optimization ( pso ) algorithm is a computation intelligence technique, inspired by social behavior of birds flocking. pso algorithm possesses the advantages of simplified, rather quick convergence speed, global optimization performance, and less controlling parameters, et al

    群演算法是一種源於鳥群捕食行為的算智能技術,具有演算法簡單、收斂較快、全局優化能力較強、控制參數較少等優點。
  7. In the cylinder2 - 1 / 2d code, object - oriented methodology is employed to increase flexibility and extensibility, a charge conserving current weighting algorithm and a multi - time - scale algorithm is used to enhance computational efficiency

    程序演算法中採用了滿足電流電荷連續性方程的電流分配方法和多時標推動方法等,有效地提高了程序的
  8. Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range. in addition, the difference ( w - 2u ) becomes greater with the increase of shock pressure, where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot

    卸載路徑的算和分析表明:在所研究的壓力范圍,無氧銅的等熵卸載過程用gr neisen狀態方程在_ 0 _ 0 =近似下的描述是適用的;卸載到一個大氣壓的終態w與鏡像反演的2u的偏差,隨沖擊波壓力的增加而增大。
  9. Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively

    本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量空腔解耦化爆模擬技術,並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和空腔爆炸實驗研究。
  10. Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release

    根據界面剖面,算得到了卸載過程中lagrange聲隨界面變化的關系,所得結果與文獻給出的數據符合很好;其次,利用阻抗匹配近似,算分析了無氧銅卸載過程的應力-應變關系,並與流體彈塑性模型進行了比較,結果表明:無氧銅的卸載過程存在明顯的應變硬化效應。
  11. Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse

    算結果表明,直徑為100 m的微氣泡能減小近壁面連續相的;微氣泡在邊界層中的濃分佈近似為三角形或梯形分佈;受間相互作用的影響,存在一飽和濃;減阻率隨噴氣量的增大而增大,直至飽和噴氣量,此後,增大噴氣量,壁面摩擦阻力變化不大;相同噴氣量下,來流越大,減阻率越低。
  12. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃熱解液化裝置能量轉化率算和生物質能量利用率算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃熱解工作溫范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺的生物質顆中心達到全熱解的時間,在體視顯微鏡下對不同的生物質顆的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆中心溫達到充分熱解溫的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃熱解反應器固相滯留時間設和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設學原理,推導、建立了轉錐式閃熱解反應器物料滯留時間( )與轉(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃熱解反應器的最小錐角設、錐壁強、生產能力設理論和功率算方法及臨界轉理論等。
  13. Tests demonstrate that the using particle swarm optimization algorithm to optimize load distribution has the advantages of simpleness, fast speed and high degree of convergence, which can be generalized as a new method of rolling load distribution of tandem cold mill

    實驗證明,群演算法在軋制負荷分配算中,具有演算法實現簡便、運算快、收斂性好等優點,可以作為一種冷連軋軋制負荷分配的新方法加以推廣。
  14. In the next part, after verifying the simplified computational method of turbulence, the movement of fibers in turbulent pipe flow was simulated by 3 - d integral method and simplified computational method of turbulence. it was found that the fluctuation of turbulence caused random of fibers " orientation and its distribution became broader as the re numbers increased

    然後,在驗證了湍流的簡化方法的合理性后,利用三維分段算方法和湍流簡化方法模擬了大量纖維在管道湍流內的運動,得出的結果為:湍流的脈動導致了纖維的偏角趨于無序,且隨著re數的增加,纖維偏角的分佈越來越趨于均勻。
  15. Wavelets transform has localized character and self - acclimated function. the particle images are processed directly in spatial domain for this peculiarity, two vision paths are simulated by wavelet multi - resolution decompositions of two - dimensional images, and matching calculations are carried through in each path. in this way, a fast matching model is founded

    小波變換的最大優點是多尺分析,具有良好的局部化特徵和自適應功能,使得該演算法能夠直接在空域中處理圖像,利用二維圖像的小波多尺分解模擬兩個最主要的生物視覺通路,並對不同通路分別進行匹配算,實現快匹配。
  16. A low detonation velocity explosive with medium density ( lg / cm3 ) and proper power ( > 320ml ). which made from obsolete propellant by controlling the granularity and adding the inhibitor, is studied in this thesis ; the distribution of water in the powdery propellant is described, the effect of detonation velocity from different granularity of powdery propellant is studied and the simulated mathematical model on leakage of water in low detonation velocity explosive is also showed furthermore, the method involved in controlling the leak of water in explosive is provided. meanwhile the effect of inhibitor is experimented some of formulations and processes of low detonation velocity explosive are given in details

    廢棄發射藥可直接用來製造凝膠炸藥,在發射藥顆的空隙中加入氧化劑和高分的混合溶液,經過一段時間后氧化劑溶液變成凝膠狀態即可制得灌注炸藥,該灌注炸藥具有密較高( 1 . 4g / cm ~ 3 ) 、抗水、爆較高的特點;文中對灌注液所涉及的材料、工藝流程進行了研究;分析了灌注炸藥的力學性能;利用灌注炸藥的高爆及發射藥的低爆組成一定形狀可用來形成特殊的爆轟波,利用matlab程序設出了平面波發生器並對影響因素進行了討論。
  17. Finally, it briefly discusses the feasibility, the applying foreground and the approach with regard to the calculating method about the amount of catalyst provided in this paper by integrating the ascending - velocity field and cloud water field in the possible working section abstracted from the mm5 mesoscale model with the thickness of the ice crystal particles in nucleation layer and supercooled water quantity which is surveyed by the plane

    得出適合的催化劑引入高等。最後,簡要討論了用mm5中尺區域模式提取可能作業區的升場和雲水量場,並結合飛機實測核化層冰晶、過冷水量等,探討了本文提出的催化劑用量算方法的可行性,應用前景和途徑。
  18. In order to convenient network user querying and downloading requred resource in short time, nerms categorize the resources into 5 species according to resources content. thus administrator manage resource easier and user can inquery and download resource according to the content of the resource. at present, the development of nerms has almost been completed, but the number of resources is very small

    分類是數據挖掘的一種,高效準確的文本分類可以有效減輕手工分類的負擔。目前分類的演算法有很多,其演算法的準確性非常類似,其差別是統不明顯的,而訓練時間可能顯著不同。文本考慮到群演算法收斂快,決定將改進后的群演算法應用於數據分類。
  19. We respectively calculated the directional movement of kinesin under white noise and colored noise and the results are as follows : the coupled effect result in a directional particle current, and the current velocity is selective to the angular velocity 0 ) and noise intensity d, which reflect the effects of the rate of atp ' s hydrolysis and the temperature of cell on the movement of molecular motors

    建立起更貼近生物實際的雙構象耦合模型,並分別算了白噪聲和色噪聲作用下馬達的定向運動。結果表明:這種耦合作用產生了沿微管正向的流,其對角和噪聲強d均有選擇性,反映了atp水解和細胞溫對馬達運動的影響。
  20. To measure the size of ba - ferrite fine magnetic particles, electromagnetic field was employed to drive the fine magnetic particles displace in order, then scanning electron microscope ( sem ) was used to observe and measure the size of ba - ferrite fine magnetic particles

    為了迅、準確地測定鋇鐵氧體磁粉顆的厚、直徑和厚徑比的統分佈,採用對磁顆施加外加電磁場的方法,使各個磁顆的易磁化軸方向趨於一致,並用掃描電顯微鏡觀察鋇鐵氧體磁粉顆
分享友人