air mass analysis 中文意思是什麼
air mass analysis
解釋
氣團分析-
As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。 -
Aimed at some problems such as short spraying distance, electricity - leaking and reverse ionization among electrostatic nozzles existing in the country, a induction charging and pneumatic energy electrostatic nozzle was designed. the basic designing theories, structure and working process of this nozzles were theoretically specified in the paper. and then the atomization quality and charge performances of this nozzle and its affecting factors were studied by carrying out performance experiment and statistic analysis. result of the studies indicate : ( 1 ) some progress were made in solving the problems list above ; ( 2 ) from this nozzle, droplet were minute and uniform, and higher charge - mass ratio can be obtained under lower electrostatic voltage, thus the atomization quality and charge performance of this nozzle were both better ; ( 3 ) within the experiment extend, air pressure at 0. 2mpa, electrostatic voltage at 2400v were the most suitable parameters for the nozzle ; ( 4 ) the regression equations for describing droplet size, intensity of spray current and charge - mass ratio of this nozzle obtained from the experiment data had higher forecast precision ; ( 5 ) cross - effect of all factors were not significant, the atomization quality and charge performance were relative dependency affected by the factors
諸試驗因素中，充電電壓和噴孔直徑對霧滴荷質比均有極顯著的影響；氣體壓力和液體流量對霧滴荷質比的影響均不顯著；影響霧滴荷質比的主要因素依次為充電電壓和噴孔直徑; （ 8 ）在300v 、 600v 、 1200y 、 1800y 、 2400v 、 3000v六種充電電壓t ，霧滴荷質比先隨充電電壓的增加而增大， 2400v后荷質比減小，推測:對于所研製的噴頭可能存在一個最佳充電電壓; （ 9 ）由充電電壓和噴孔直徑的不同搭配所得霧滴荷質比不同這一結果，可看出，較大充電電壓需配備較大噴孔直徑以增強霧滴荷電效果; （ 10 ） td3 . 6和td3 . 4兩噴頭的霧滴荷質比曲線趨于重合，說明噴孔直徑大於滬3 -
Combining physical experiments and theoretical analysis, this literature has performed thorough research on gas properties of delivery pipeline system, pressure current rush to interception air - mass in pressure pipeline, water hammer with gas that happens with gas releasing and liquid column separating
本論文通過物理試驗與理論分析對輸水管道系統中的氣體特性、壓力水流沖擊截留氣團和包含氣體釋放和液柱分離現象的含氣水錘進行了深入研究。 -
Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained
本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式，其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度，並將此理論應用於一氣彈模型的計算，獲得了位移、速度、加速度時程以及加速度均方根。 -
Standard test method for determination of gaseous and particulate polycyclic aromatic hydrocarbons in ambient air collection on sorbent - backed filters with gas chromatographic mass spectrometric analysis
環境空氣中氣態和顆粒多環芳香烴測定的標準試驗方法 -
The physical experiments and theoretical analysis indicate that rush pressure caused by current rush to interception air - mass in delivery pipeline system has much to do with the content of air - mass. the maximum rush pressure occurs not under the condition - much lower or much higher content of air - mass, but when the initiate volume of interception air - mass makes up 1 ~ 2 % of total pipeline volume, maximum current rush to interception air - mass pressure happens
試驗研究表明，輸水管道系統水流沖擊氣團（囊）造成的沖擊壓力與氣團（囊）的含量有密切關系，截留氣團含量太多或太少所產生的沖擊壓力都不是最大，當截留氣團在一個大氣壓下的初始體積占管道總體積在1 2左右，水流沖擊氣團壓力最大。 -
The analysis of air quality and the relationship between particulate mass concentrations and meteorology condition of the typical cities in china
中國典型城市2004年大氣質量及顆粒物濃度與氣象條件關系分析 -
The oxidation mechanisms of 3d c / sic composites in air, in water vapor and in oxygen / water vapor coupling environment have been clarified on the basis of oxidation behaviors and microstructure analysis of c / sic composites. the oxidation kinetics models of the composites in oxygen and in oxygen / water vapor have been established respectively based on the theories of chemical reaction kinetics and mass transport. the software platform of factorization for analysis of c / sic composites oxidation behaviors has been developed
本文以3dc sic復合材料氧化行為的實驗研究為基礎，結合復合材料的顯微結構分析，系統地闡明了復合材料在空氣、水蒸汽和氧水耦合環境中的氧化機理，並運用化學反應動力學和傳質學的基本理論，建立了復合材料在氧氣環境和氧水耦合環境中的氧化動力學模型。 -
The application and analysis of mass - heat exchange condensing hot air furnace in tall space of cole and dry regions
冷凝式熱風爐在高寒乾燥地區的應用分析 -
Atmospheric pollution. determination of the concentration by mass ofsulphur dioxide, in the ambient air. analysis by the thorin spectrophotometric method
大氣污染.環境空氣中二氧化硫濃度的測定.分光光度計法 -
The mathematical analysis shows that, with disregarding local head losses and by means of different simplified rigid models, the calculated results of the maximum pressure in a pressurized pipe system containing trapped air mass are equal to and independent of the initial length of the water - column
摘要通過數學分析證明，在不計局部水頭損失時，目前常用的幾種簡化剛性數學模型的最大氣壓計算結果相等，並與管道內初始充水段長度無關。 -
Model calculation and analysis of heat and mass transfer of air and water in a direct contact forward flow
空氣與水直接接觸熱質交換順流和逆流過程特性比較
分享友人