轉換常數 的英文怎麼說
中文拼音 [zhuǎnhuànchángshǔ]
轉換常數
英文
conversion constant-
The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included
雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。As it ' s proprietary, a large numbers of bibliography resource ca n ' t be provided to common readers of internet. along with the development of network technology, it has a instancy need to conversion marc format to the information that the browser can recognize. the language xml not only can expresses the metadata, but also can show the content of data. lt can provide individuation page layout
Marc格式是目前圖書館館藏資源的主要表示格式,由於其專用性,使得目前大量的書目資源無法通過一般的搜索引擎向internet用戶提供,隨著網路技術的不斷發展,迫切需要將marc格式的數據轉換成常用瀏覽器所能識別的信息,為大眾提供服務,可擴展標記語言xml不僅可以表達元數據,而且可以揭示數據的內容,提供個性化的頁面顯示,用xml語言對marc數據進行描述是解決這一問題的有效途徑,文章提供了marc數據的xml表示方法和實現途徑。At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。Since be is constant, the transformation reduces the memory requirements for constructing a connection admission control table
正因為此值是一個常數,這個轉換的過程可以降低在建造允諾控製表時所需要的記憶體容量。Mathematical formulae, with their subscripts, superscripts, and special symbols, are devilishly difficult to translate into html
將含有下標、上標和特殊符號的數學公式轉換成html非常困難。Firstly, a system was developed in functions to collect infrasound data, to transform analog voltage signal from detector into discrete signal by a / d card and to process the data by using methods of digital signal process
首先設計一套數據採集系統,次聲波信號通過傳感器被轉換成模擬電壓信號,通過a d板將其轉換為離散的數字序列,輸入計算機。利用數字信號處理的原理和方法對異常次聲信號進行分析處理。This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits
本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究,表明除正常幼苗百分率外,其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關,因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展,指明通過遺傳育種手段改良這些性狀是可能的In front of the a / d converter in an analog conversion system is usually located a sample - and - hold circuit
在模擬量轉換系統中在模/數轉換器的前端通常都會有一個采樣-保持電路。The conventional switching power supply usually use a diode rectifier followed by a bulk capacitor to convert ac voltage to dc voltage, resulting in the pulsating waveform of the input ac line current, low power factor ( generally 0. 65 ) and high harmonic line current
傳統的開關電源設備通常採用二極體橋來進行整流和一個較大的電解電容來進行濾波以實現輸入電壓的交直流轉換,導致輸入電流為一個很窄的脈沖波並含有較多的諧波分量,功率因數變低(通常只有0 . 65 ) 。At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength
由於準相位匹配技術有其獨特的優勢,可以利用非線性光學晶體的最大二階極化張量,如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ ( 33 ) ,其有效非線性系數高出普通非線性光學介質(如bbo 、 lbo 、 ktp )一個數量級,而且可以人為靈活設計調制周期,通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非線性晶體的應用范圍,極大地提高了頻率轉換效率,已成為非線性光學材料和固體激光器的研究熱點之一。By using ncep / ncar reanalysis data of height and wind, the inter - monthly lpac map, the climate lapc map, inter - annual anomaly map and mean variance map of monthly wind field of 850 and 500hpa and monthly height field of 850, 500, 150, 30hpa are calculated in a globe - belt area, which situates between 30 s and 75 n, from december 1957 to december 1997, according them we analysis the rule of the season transfer and anomaly of nh mean circulation. the results show that the climate map of lapc can describe the seasonal transfer process of large scale circulation better. the advance process of summer circulation establish is form south to north at the middle and lower level of the troposphere, that is reflected primly in the inter - monthly wind and pressure map of lapc ; at lower lever of stratosphere, the establish process is simulate to that of troposphere, and reflect of process of that the south asia high toward plateau ; at middle stratosphere the summer circulation establish begins at middle and high latitude initially, and then transmits to low latitude gradually, while the seasonal variability in mid - stratosphere is stronger than it in troposphere and low - stratosphere
利用ncep ncar再分析高度場和風場資料,計算了30 s 75 n球帶區域1957年12月至1997年12月逐月850 、 500hpa風場及850 、 500 、 150 、 30hpa高度場月際局地型相似系數圖、多年平均圖(即氣候lpac圖) 、年際異常圖及均方差圖,在此基礎上,分析了北半球平均環流季節轉換及其異常的規律。分析表明,氣候局地型相似系數圖較好地給出了大尺度環流季節轉換發生的過程:在對流層中、下部,風、壓場月際局地型相似系數圖清楚地反映了夏季型環流建立由南向北的推進過程;低平流層夏季型環流的建立與對流層接近,其中,南亞高壓上高原過程有明顯反映:中平流層,夏季型環流的建立明顯表現為從中、高緯度開始,逐步向低緯傳播的特徵,且變化較對流層和低平流層明顯。Is an inline function, meaning the compiled code makes the conversion, often without generating a function call
是一個「內聯函數」 ,這意味著轉換是由已編譯的代碼執行的,通常不會生成函數調用。These test files would normally be used to test data transfer rates, fillers for disk capacities, etc
這些測試文件通常用來測試數據轉換率,磁盤容量的過濾器等等。A linear relation can be found between response value of ultraviolet absorption detector, fluorescence detector, electrochemical detector and refractive index detector and quality of the object under test ; however, relation between response value of evaporative light - scattering detector and quality of the object under test is usually not a linear one, therefore, mathematical conversion of response value should be made before making calculation when necessary
紫外、熒光、電化學和示差折光檢測器的響應值與待測物的質量呈線性關系,但蒸發光散射檢測器響應值與待測物的質量通常並不呈線性關系,必要時需對響應值進行數學轉換后進行計算。Ordinary differential equation, first order differential equations, 2nd order differential equations, power series solution of differential equation, laplace transform, fourier series and transform, matrix, eigen value problem, partial differential equation
常微分方程式、一階微分方程式、二階微分方程式、微分方程式級數解、拉氏轉換、復利葉級數與轉換、矩陣、本徵值問題、偏微分程式。A method of transforming a search key into an address for the purpose of storing and retrieving items or data. the method is often designed to minimize the search time
為存儲和檢索數據項或數據,把搜索關鍵字轉換為一個地址的一種方法。該方法常用於減少搜索時間。The same problem occurs at the computer output, where it is often necessary to convert numerical output data form the computer into mechanical displacements or analog - type electrical signal
在計算機輸出一樣的問題發生,轉換用數表示的產量數據在哪兒經常是必需的形成計算機進機器的排水量或模擬類型電信號。9. 3 the conversion rates for points into participating frequent customer programs, minimum point transfers and incremental transfers vary among participating frequent customer programs and details are communicated on a regular basis
9 . 3每個轉往常客計劃的積分轉換率最低轉換分數及以後每次轉換分數的要求均有所不同。The character data that is sent from the database server to the client is converted using java s built - in character converters, such as the sun. io. conversion routines
從數據庫服務器發送給客戶端的字元數據是使用諸如sun . io . *轉換常式的java的內置字元轉換器( converter )進行轉換的。These parsing routines, collectively called fast parse, support only the most frequently used date format representations, do not perform locale - specific parsing, do not recognize special characters in currency data, and cannot convert hexadecimal or scientific representation of integers
這些常式統稱為快速分析,只支持最常用的日期格式表示形式,不執行區域設置特定的分析,不能識別貨幣數據中的特殊字元,並且無法轉換整數的十六進制或科學計數表示法。分享友人