bubble model 中文意思是什麼
bubble model
解釋
氣泡模式-
Firstly it discusses the value, meaning, background and method of this topic. then it deducts the single - bubble sound pressure, spectrum of sound pressure, power spectrum. according to the real situation of traveling bubble cavitation noise around a schiebe body, the mathematical model of single - bubble collapse is selected, furthermore, the mathematical model of mass traveling bubbles without interference effect is established, and the multi - peaks and rebound phenomenon while bubbles collapse is also analyzed with statistical method
首先論證了本項研究的意義，價值，背景和方法，然後推出了單空泡輻射噪聲聲壓，聲壓譜和功率譜，針對回轉體流動泡空化噪聲的具體情況，選擇了雙指數模型作為單空泡潰滅的數學模型，進一步建立了無干涉條件下的群泡輻射噪聲的數學模型，並用統計的方法分析了空泡潰滅時的多峰值和反彈現象。 -
Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %
當入射空氣的壓強、氣流量，液面高度，出氣孔直徑增大時，氣泡直徑隨之增大；當出氣孔數量，液體粘度增大時，氣泡直徑減小，表面張力對氣泡直徑的影響可以忽略不計；靜態條件下液體表面氣泡直徑的預測值和實驗測量值符合得較好，相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。 -
The dynamic behavior of bubbles in the turbulent liquid is analyzed theoretically, the mechanism of bubble deformation and breakage is explored on the basis of kolmogoroff ' s isotropic turbulence hypothesis, and the mathematical model for predicting gas - liquid interfacial area is proposed
同時，還從理論上分析了湍流液體中氣泡變形與破碎的機理，提出了預測氣液相界面積的多相湍流動力學模型。 -
Analysis of multi - body multi - dispersion model for bubble screen
水中氣泡幕的多體多次聲散射模型分析 -
Experimental investigation of noise reduction on torpedo model by using the gas bubble screen technique
魚雷氣幕屏蔽及模型降噪試驗研究 -
Combining the unstable heat conduction in crystal layer with heat transfer of undeveloped slug flow in a vertical tube, a time - progression model of crystal layer growth in the bubble column crystallizer pipe is proposed, the calculation results from the numerical method agree well with the experimental data. under certain operating conditions, the periodical arrival of gas plugs can cause crystallization and partial re - melting occur in the crystal - melt interface
結合未充分發展彈狀流的傳遞特徵和晶層內不穩定導熱，提出了鼓泡塔結晶器管內晶層生長的時間級聯模型，與實驗值吻合良好.特定操作條件下，隨彈狀泡的到來和離去，結晶界面可發生結晶-部分重熔 -
Bubble raft model
泡筏模型 -
By applying volume averaging operator to the local transient rng k - s model, the effects of interaction between liquid and bubble on the turbulent kinetic energy and its dissipation rate are incorporated to the rng k - s model
根據eulerian體平均原理，對局部瞬時rng -模型方程進行平均化處理，經過數學演繹首次得出氣液兩相湍流rng -模型，並在模型中考慮了相間作用對液相湍流動能及耗散的影響。 -
Gas - liquid two - phase dispersal bubble flow model of horizontal borehole
證據理論的氣液兩相流流型識別方法 -
Experimental study on resistance performance of ship model with bubble - screen system
氣幕環阻力性能船模試驗研究 -
Analysis of sound insertion loss model of bubble screen and inverse calculation of structure parameters
氣幕的聲插入損失模型分析及結構參數逆算 -
Based on theoretical analysis, microbubble drag reduction is due to structure change of turbulent boundary layer caused by the microbubbles. experiments testify microbubble drag reduction for turbulent boundary layer, as well as bubble size, main flow velocity, etc. affecting the reduction ; with proper flow field model, turbulent model and difference scheme, numerical methods simulate the effect of boundary layer and bubble numbers on dray reduction
理論分析提出微氣泡降阻機理在於其引起湍流邊界層結構的變化；實驗證明了微氣泡對湍流邊界層的降阻作用以及氣泡尺度、主流速度等對降阻作用的影響；數值方法利用適當的流場模型、湍流模型和差分格式，模擬邊界層和氣泡數等對降阻的影響。 -
So we apply momentum threshold autoregressive model ( mtar ) in this paper to analyze bubble - driven run - ups in stock prices followed by a crash in a cointegration framework with asymmetric adjustment
因此，本文引入mtar模型，通過檢驗協整殘差的非對稱調整假設，對我國股票市場發展的不同階段是否存在泡沫現象進行對比分析。 -
An ideal mathematical model is set up by mathematical analyses based on experiments. the model deals with the relation of the bubble diameter of foam glass to the grain size of the foaming agent and the foaming temperature. the model is a great help to the design of new type foam glasses
在實驗的基礎上應用數學分析方法，建立了較理想的泡沫玻璃的泡徑和發泡劑粒徑及發泡溫度間的函數關系，對設計泡沫玻璃新品種有一定參考價值。 -
This situation has last till april 2000 when the internet bubble burst. when nasdaq index fell to around 2000, it represent the capital market has seriously challenged portal ' s " single revenue source " business model
這種狀況一直持續到2000年4月網路經濟泡沫開始擠兌，納斯達克指數狂跌至二千點左右的時候，門戶網站這種單一的收入模式受到了資本市場前所未有的挑戰。 -
The old model of research, of “ putting people in a bubble ”, is over, he says
「將人置於幻想」的老套研究模式已經成為歷史，他說。 -
We just hope to construct a model to analyze the price determine process and explain why the bubble emerges. in this paper, we use the local equilibrium model, since we think that there are some advantages to do so. first, it is not suitable to use the general equilibrium model, since the real estate market is just a small proportion of the whole economy
但本文並不準備對我國房地產市場是否出現了泡沫或泡沫的嚴重程度做出判斷，而是希望通過建立一個體現了房地產商、消費者、投機者、銀行和政府相互影響的局部均衡模型，對房地產市場的價格決定和泡沫生成機制進行較為合理的解釋。 -
The most common model, the 47g introduced in 1953, can be recognized by the full bubble canopy, exposed welded - tube tail boom, and saddle fuel tanks
最普通的貝爾47g在1953年投入使用，他擁有一個全玻璃的座艙，和一個暴露的金屬管焊接而成的機尾及馬鞍狀的油箱。 -
For the laser stream cleaning, the removing force is qualified by setting up a model, in which laser heats the medium film and produces bubbles in a film of medium near substrate surface, then the growing bubble impels the medium around it, at last the particles on the surface are removed by the rapidly moving medium
然後引入氣泡成長動力學和流體沖擊力學理論，解釋了激光濕式清洗中微粒被去除的機理，建立了激光濕式清洗光學基片的動力學模型。試驗的結果與模型分析的結論都表明激光濕式清洗能夠有效去除表面吸附的微米甚至亞微米級的污染微粒。 -
This paper also sets up an intrinsic bubble model to describe the development of a kind of stock market bubble, which includes only an exogenous fundamental, dividend. using the data of shanghai stock exchange from june 1996 to december 2001, an empiric tests is done about the intrinsic model
該模型所涉及的自變量只有股利這一內生變量，而包括時間、政策、突發狀況等外生變量均不對泡沫的含量產生直接作用，因此本模型所刻畫的這類泡沫被稱作「內在泡沫」 。
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