均分率 的英文怎麼說
中文拼音 [jūnfēnlǜ]
均分率
英文
equipartition rate-
The fourth chapter introduces the theory of fractional brown movement ( fbm ). the image texture of turning workpiece is analyzed using fbm model. after abstracting the texture character, the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum
第四章採用分數布朗運動( fbm )的基本理論,對切削工件表面紋理的圖像進行分析,提取紋理特徵參數,根據分形維數和圖像上對數功率譜的擬合曲線的平均斜率來判斷刀具的磨損狀態。4 the average power of a non sinusoidal periodic current is equal to the sum of powers of all its fourier series components
非正弦周期電流電路的平均功率等於其傅里葉級數展開式所有分量的功率之和。The results of issr analysis is ppb = 66. 67 %, h = 0. 2089, i = 0. 3172. genetic diversity of issr is higher than that of allozymes. genetic diversity of d. pleiantha is higher than d. versipelis
六角蓮的遺傳多樣性高於於八角蓮,等位酶的多態位點比率p為55 . 6 , issr的多態位點百分率均為70 . 83 ,基因多樣性為0 . 2383 , shannon多樣性指數為0 . 3576 。The results show that the radiolysis degree of mmh, heh and aha decreases with the increasing of their concentration
結果表明隨mmh 、 heh 、 aha濃度增加,其輻解百分率均減小。The percentage of blastocysts in ml 6 medium with both taurine and edta ( 73. 6 + 2. 4 % ) was significantly higher than that in m16 with edta and taurine alone ( 60 + 1. 0 % and 61. 9 + 2. 0 %, respectively ). the change pattern in the cell parameters ( inner cell mass, icm ; total cell numb, tcn ) of the three groups was the same as the blastocyst formation rate
且m16 + tau + edta培養液中的囊胚總細胞數、內細胞團數、內細胞團與滋養層細胞數的比率均顯著高於m16 + tau和m16 + edta培養液的( p 0 . 05 ) ;內細胞團占總細胞數的百分率也相應增加。Just following this, are studies on power factor of inverters and the sharing of harmonic circulating current among units of a parallel operating inverters system
在此之後,本文又深入分析了逆變電源的功率因數以及並聯電源系統的諧波環流均分控制。The harmonic circulating current balancing is an important factor in the parallel operating control for it makes the units of the system to get. an equal power factor and makes foundation for the system to work stable and reliable
並聯電源系統的諧波環流均分控制是實現負載的失真功率均分,保證各並聯單元的輸出功率因數均衡,保證並聯系統穩定可靠工作的一個重要方面。First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control
文中,首先通過建立系統的數學模型,分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性,包括它的環流特性、功率特性和電壓閉環調節特性;在此基礎上,又研究了幾種典型的並聯運行控制方式;然後,採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。In 1951, h. hopf proved, by associating a holomorphic 2 - differential to each constant mean curvature surfaces in r3, that only compact genus zero surfaces immersed in r3 with constant mean curvature are the round sphere, in chapter two, we consider the same question about the compact 2 - type surfaces of genus zero in s7
1951年, h . hopf發現r ~ 3中每個常平均曲率曲面都伴隨一個全純微分2 -形式,並證明了零虧格的常平均曲率閉曲面一定是r3中的球面.本文的第二章對于獷中零虧格的2型曲面討論了類似的問題Based on the theory of confidence tests, the test methods for normal population characteristics are presented in this paper, which include the strong test, the weak test and the weak - strong test
本文根據置信檢驗理論,建立了正態母體特徵值的置信檢驗方法,包括母體均值、百分位值、百分率、標準差和變異系數的強檢驗、弱檢驗和弱強檢驗,可以滿足不同的實際需求。In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay
本文第二章首先建立了封閉系統的利率?流通量微分方程模型,證明了各結點利率加權和為常數即金融市場利率均衡原理,以及各結點利率極限為整個網路平均利率;其次在各結點基本利率不相同的情況下,建立了非齊次利率?流通量微分方程模型,證明了金融網路各結點利率加權和仍是一個常數,並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差;此外,還研究了開放金融網路利率?流通量方程模型,考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律,用lyapunov穩定性理論證明了模型均衡解的穩定性;最後,還研究了具有時滯的金融網路利率?流通量方程模型,並給出了具有時滯金融網路的利率流通量方程具有周期解的充要條件。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This paper includes five parts. the first is to review the study on the subject ; the second is to discuss the characteristic of chian ' s stock market. the change of money - admitted policy and the questions on the study. the third is to verify the size effect in china ' s stock market by using correlation test and regression test on the bases of four different criterions, each criterion will be applied with two time - series methods. the fourth is to summary the main character of four different criterions, and apply joint test to the criterions that were proved the best concerning the size effect. the illiquidity risk was introduced to the study, the indexes of turn - over rate and the fluctuation of turn - over were used here. however, other factors that may influence the invest return rate as circulating rate and size were also included. according to the result, the size effect will be interpreted. the fifth is to summary the size effect and its explaination, and then to provide some useful invest strategies based on the conc lusion above
論文分五部分,第一部分對小公司效應的有關研究文獻進行回顧;第二部分我國股票市場的狀況、資金供給政策的變化和我國股票市場實證的相關問題進行論述;第三部分對我國股票市場的小公司效應按照四種不同的規模標準分類,每一種標準均分兩種不同的統計周期分段標準進行實證分析;第四部分小結不同的規模分類、不同統計周期分段的統計結果特徵,然後對小公司效應最明顯的規模分類標準進行多因子聯合回歸分析,這里引入了流動性風險因素,其用換手率和換手率波動指標來衡量,還分別引入了其它影響投資收益率的因子,分別是規模、流通比例。When compared to the belgian landrace which is itself known for its meatiness, they excelled in usable lean, having 66. 7 percent as compared to 63. 2 percent ; in defatted loin they cut out 24. 5 percent as compared to 23. 4 percent ; their hams averaged 24. 6 percent as compared to 23. 4 percent ; and in lean to fat ratio, the breed had 9. 2 to 1 while the comparison was 6. 3 to 1
比利華與本身為人所知多肉的比利時藍瑞斯做比較,在可利用瘦肉率上以百分之66 . 7勝過百分之63 . 2 ;在去脂的大里肌里他們切去了百分之24 . 5 ,比利時藍瑞斯為百分之23 . 4 ;腿部平均比率為百分之24 . 6對百分之23 . 4 ;並在瘦肉與脂肪比率上為9 . 2比1 ,在比利時藍瑞斯上則為6 . 3比1 。The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering
摘要正態母體特徵值(母體均值、百分位值、百分率、標準差和變異系數等)的檢驗是工程中常見的問題。Pulse compression effectively solves the contradiction between the range resolution and the average power of the radar, and is widely applied in modern radars
而脈沖壓縮有效地解決了雷達距離分辨力與平均功率之間的矛盾,並在現代雷達中廣泛應用。Some researches about frequency doubling are made, and two methods to improve intensity of second frequency generation are given. we realized q - switched 532 nm laser, by using nd : gdvo4 as laser crystal, using cr4 + : yag as saturable absorber, using ktp as intra - cavity frequency doubling crystal. average power of 109mw, repetition of 40khz, pulse width of 30ns, pulse energy of 2. 6uj, peak power of 91w are obtained
4 .對倍頻理論進行研究和分析:討論兩種提高二次諧波功率密度的方一法;實驗匕在國內首次實現ld端面泵浦nd : gdvo4 / ktp ,用cr4 + : yag作為可飽和吸收片的綠光激光器,腔內倍頻得到了平均功率為109mw 、重復頻率為40khz 、脈寬為3ons 、單脈沖能量為2 . 6閃、峰值功率為glw的調q綠光輸出。The possible error of solar radiation climatic calculation is analyzed and discussed. the error range of calculating solar radiation with sunshine data is obtained. the homogeneity test is carried out using 70 monthly total solar radiation series over china with potter method
在通過對總輻射和日照百分率的正態分佈檢驗以及相關性檢驗的前提下,以日照百分率資料為參考,採用potter法對70個輻射站進行總輻射資料的均一性檢驗。In this paper, a research of spatial distribution of solar radiation and temperature over mountainous area of qinling is presented. the research is based on monthly mean temperature and sunshine ratio data of 36 meteorological observe stations over qinling zone in 1971 - 2000, and xian solar radiation data in 1961 - 2000, and 1km 1km dem data over qinling zone
本文用秦嶺地區36個氣象觀測站1971 - 2000年30年氣候整編資料的月平均氣溫、日照百分率資料, 1961 - 2000年西安日射資料,以及秦嶺地區1km 1kmdem數據,對秦嶺地區山地輻射和氣溫空間分佈進行研究。So - called pure insurance cost, be with life watch mortality statistic is a foundation and calculative, the average share that i. e. death compensates for is worth
所謂純保費,是以生命表死亡率統計為基礎而計算的,亦即死亡賠償的平均分攤值。分享友人