Based on the typical structure of the air-cooled condenser of 600 MW unit, the three-dimensional physical and mathematical models for the flow and heat transfer of the cooling air in an air-cooled condenser cell with flow guiding device were established.

該文針對600 MW直接空冷機組空冷凝汽器的典型結構，建立了帶有空氣導流裝置的凝汽器單元內冷卻空氣三維流動傳熱過程的物理數(shù)學模型人人操人人人看。

In order to verify the validity of the mathematical models and the calculation method, a series of experiments on the performance of an air-conditioner under variable conditions was conducted in the psychrometric rooms.The performances of the proto type under the different inlet air temperature of the condenser and evaporator, as well as the different face velocity of the condenser and evaporator was measured.

為了驗證數(shù)學模型及計算方法的正確性，在焓差法空調器性能實驗臺上對一臺房間空調器變工況性能進行了實驗研究，測量了該空調器在不同的蒸發(fā)器和冷凝器進口空氣溫度激情综合丁香五月、蒸發(fā)器和冷凝器迎面風速下的工作特性。

Research on water hammer characteristics of air valves Research on water hammer characteristics of air valves has been studied in experiments by establishing mathematical model of the air valve, using suitable method of numerical calculation, and comparing the experimental outcomes with theoretical analysis.

空氣閥特性研究試驗研究了作為水錘防護裝置的空氣閥的特性青娱精品在线p，建立了空氣閥數(shù)學模型成年美女黄网站18禁免费动漫，通過合適的計算方法進行數(shù)值計算，并與試驗進行了比較中国一级免费A片。

This paper established a multi-objective mathematical optimization model based on the above analysis,and constructed air passenger services free shuttle system framework.

基于以上分析構建出航空客運票務服務免費接送系統(tǒng)的架構日韩精品在线看，并根據(jù)此架構，提出了可行性的設計18禁无码免费久久免费看。

In an earlier paper [2], we suggested the Mathematical model of helicopter rotor airfoil.

在[2]里国产18禁又污又黄又刺激，我們提出了直升機旋翼槳葉的數(shù)學模型。

In order to change the test of closed water for the high pressure vessel for the closed air test, according to the requirement of airtightness for high pressure vessel,the quantitative mathematical model for closed water test was built by analysis of free going out for small orifices in fluid mechanics.

為將高壓容器密閉性的閉水檢測改為閉氣檢測国家一级A片一级毛片，根據(jù)高壓容器密閉性能的要求91情侣在线精品国产免费，通過對流體力學小孔口自由出流分析，建立了閉水試驗定量數(shù)學模型国产免费看黄色网站。

John Wilkins (1614-1672) reproduces in his book Mathematical Magick p.228 an alchemistic receipe, which is attributed to Paracelsus.

約翰威爾金斯（ 1614年至1672年）抄錄在他的書中數(shù)學Magick p.228一個煉金術receipe 色呦呦在线播放，這是由于巴拉賽爾蘇斯。

A mathematical relation model between liquor near infrared spectrum and liquor alcoholicity was established by use of the combination of discrete cosine transformation and BP neural networks, which was a new approach for rapid liquor alcoholicity determination.

采用近紅外光譜的離散余弦變換和BP神經網絡相結合中国美女网站，建立了白酒近紅外光譜與其酒精度之間的數(shù)學關系模型色色的视屏，為快速檢測白酒的酒精度提供了一種新的方法。

British mathematician, philosopher and Nobel Prize winner Alfred North Whitehead (co-author, with Bertrand Russell , of Principia Mathematica , widely considered by specialists in the subject to be one of the most important and seminal works in mathematical logic and philosophy) declared

英國數(shù)學家www.樣，哲學家在线观看国产黄瓜影视网站免费，諾貝爾獎獲得者Alred North Whitehead（與Bertrand Russell共同撰寫數(shù)學基本原理，是一個被專家普遍認為在相關數(shù)理邏輯和哲學主題內最重要最學術的作品）宣稱

A generalized mathematical model was developed to describe the distribution of over-potential.Dimensionless variables μ and ω that characterize the polarization and influence of side electrode reaction in the system,were derived from modeling.Adomian's decomposition methodADM）was used to solve the nonlinear differential equation of the model to obtain an approximate analytical solution,which was in the form of algebraic expressions of infinite power series.By the solution,the relationship between over-potential distribution and average selectivity could be easily calculated without solving the nonlinear model time and again.

建立了描述超電勢分布的普遍化數(shù)學模型6969在线观看，歸納出表征電極極化和副反應影響的量綱1數(shù)μ和ω玖玖爱免费视频，并用ADM（Adomian's decomposition method）對該非線性微分方程模型求解；所獲得的逼近解代數(shù)表達式脚交视频一区二区，可方便地計算不同參數(shù)下超電勢分布對平均選擇性的影響插进去插快点视频，而毋需反復求解模型微分方程。