conversion constant 中文意思是什麼
conversion constant
解釋
換算常數- conversion : n 1 變換，轉化，轉換；換算，換位。2 （意見、信仰等的）改變〈特指改信基督教〉；（車身，設備等的）...
- constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
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However, the result of the simulation, in which all the parameters are kept constant except the primary and secondary inductance, is that 3 % higher conversion efficiency can be achieved in ccm than in dcm
但對輸出功率和繞組電阻相同時逆變電路模擬結果表明， ccm的效率比dcm提高了三個百分點；試驗結果說明盡管ccm的繞組電阻比dcm的大，變換器效率仍提高了1 . 5 。 -
Treatment of the spinel limn2o4 with aqueous acid produces - mno2. x - ray diffraction and atomic absorption spectroscopy show that - mno2 with lattice constant of 0. 806nm preserves the structural framework of the limn2o4 and the conversion of limn2o4 to - mno2 results in some contraction of the lattice
利用limn2o4與稀酸作用制得- mno2 ，經xrd 、原子吸收光譜（ aas ）分析表明- mno2仍然保持了尖晶石的面心立方點陣，晶胞參數0 . 806nm ； limn2o4經過酸處理、鋰離子脫出后晶胞體積發生了收縮。 -
A constant input is especially required in a successive approximation converter because the input is compared with a reference several times over the conversion period
在逐次逼近轉換器中一個固定的輸入特別重要，因為在一個轉換周期中輸入要和參考值比較好幾次。 -
The intrinsic chemical reaction rate constant was insensitive to the precursor and the calcinations history of cao, but the product layer diffusivity was affected by these two factors in the initial stage and decreased to a constant value with increasing conversion of cao
化學反應速率常數不受氧化鈣的先驅物與其鍛燒程序所影響，但產物層擴散系數在初始階段則受到上述兩因素的影響，並隨著氧化鈣的轉化而減少至一定值。 -
Currency information ( a constant or an expression ) is available if the value is a currency amount, for conversion purposes
出於換算的目的，如果你定義的項目是幣種金額的話，一個幣種信息（常量或表達式）是可用的。 -
A currency information ( a constant or an expression ) is available if the value is a currency amount, for conversion purposes
出於換算的目的，如果你定義的項目是幣種金額的話，一個幣種信息（常量或表達式）是可用的。 -
Abstract : based on the theory of thermoviscoelaticity of relation [ 1 ] and creep [ 2 ] constitutive equations under non - constant temperature, the conversion relation between relaxation and creep under non - constant temperature states is developed, and a example of conversion is given
文摘:基於變溫粘彈性鬆弛型[ 1 ]和蠕變型[ 2 ]本構理論，給出了變溫過程中材料的鬆弛與蠕變模變量的轉換方法和轉換實例 -
In czochralski silicon crystals ( czsi ) through fast neutron irradiation, formation and conversion of defects were investigated using fourier transform infrared spectroscopy ( ftir ), positron annihilation technology ( pat ) and scanning electron microscope ( sem ). the results showed that fast neutron irradiation induced large quantity of metastable defects which can be the capture centers of positron, positron annihilation average lifetime of samples increased with increasing of irradiation dosage. positron annihilation average lifetime of irradiation samples through dosage up to 1 1018 n. cm - 2 tended to constant
本文對直拉硅樣品進行了不同劑量的快中子輻照，在硅中引入大量的亞穩態缺陷，研究這些亞穩態缺陷的形成，並在較寬的溫度范圍內對輻照樣品進行了退火處理，研究退火后亞穩態缺陷的轉化及同硅中氧的相互作用，應用傅立葉變換紅外光譜技術（ ftir ） 、正電子湮沒技術（ pat ）和掃描電鏡（ sem ）進行了測試。 -
The results show that it is possible to convert the present constant system to variable system technologically. as the reason of the high fist - cost, the economic analysis should be made seriously before the conversion. the larger of the system and load change, the more benefits from the conversion will be gotten and the fewer return years will be required
研究表明，將我國目前運行的定水量系統改造為變水量系統在技術上是可行的，但一次投資較大，因此改造前應該進行認真的經濟分析，系統越大，負荷變化越大，改造為變水量系統所獲得的收益也越大，回收年也就越小。 -
A frequency conversion timing control system for constant pressure water supply based on lonworks field bus
現場總線的恆壓供水變頻調速系統 -
First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented
建立了永磁電機和變流器的數學模型，針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制，通過變流器交-直-交的變換，將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電，通過pwm調治能使其輸出功率因數為一，並且該控制系統功率因數為可調，能在特殊情況下同電網交換一定的無功功率，並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬，取得了良好的模擬效果。在風力發電系統中，採用先進的最大功率俘獲演算法，能有效的從風中獲得最大的能量。 -
Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated
再次，採用加速壽命試驗的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究，引入逆冪律模型作為特徵壽命與燃燒室壓力之間的關系模型，得到了weibull分佈下恆定應力加速試驗的加速壽命方程，並通過加速壽命方程折算出不同室壓下的可靠度估計。 -
To solve the problems in the design and operation of constant flow chilled water system, the thesis suggested that the chilled water system could be converted from constant flow to variable flow. in this thesis, the possibility of the conversion, the characteristics of vwv system and the optimized method in the designing of chilled water system were deeply studied
針對定水量系統設計及運行中常出現的問題，本文提出了將定水量系統改造為變水量系統的課題，研究了定水量系統改造為變水量系統的可行性，分析了變水量系統的特性，同時對空調冷水系統的優化設計方法進行了深入研究。
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