multiply相关论文
一易证下列三个恒等式成立: (1)sinθsin(θ+π/ 3)sin(θ+2π/ 3) =sin3θ/4; (2)cosθcos(θ+π/3)cos(θ+2π/3) =-1/4cos3θ;......
拙作[1]建立了下述不等式链: multiply from i=1 to n (1+(1/a_i))≥(1+(1/G))~n≥(1+(1/A))~n≥(1+(1/Q))~n。(1) 其中的a均为正......
定理:如果2n+1是一个素數,那么,它必定是2~n+1或2~n-1的約數;当[n+(1/2)]是奇數時取正号,反之取負号。 証明:我們只要作出一个整......
我们利用不完全相等的若干个正数的算术平均数与几何平均数之间的不等式 multiply from i=1 to n a_i~(1/n)......
Convex hull theorem for multiply connected domains in the plane with an estimate of the quasiconform
For any multiply connected domain Ω in R2, let S be the boundary of the convex hull in H3 of R2\Ω which faces Ω. Sup......
The average natural life span of adult fruit fly in favorable temperatures is 30 days. However,female fruit flies are ca......
今天我要加倍重视自己的价值。桑叶在天才的手中变成了丝绸。粘土在天才的手中变成了堡垒。柏树在天才的手中变成了殿堂。羊毛在天......
We describe a novel experimental method by introducing sequential ionization with a pulsed and a strong constant electri......
The topological index F* is defined and obtained by the method of a non-dimensional unit calculation in which three matr......
1.导出了铝液中指示金属浓度(a)的递降式。通式:a_(n-(n+1))(t)=(C_0 multiply from i=0 to n(M_0+■t_i-sum from j=0 to i(m_j)......
同学们读了这篇文章,会感到用英语表示四则运算并不难。大家学了以后,可以自己练习,也可以两人互练。四则运算包括加法、减法、乘......
What Are Contractions?In the articles what we have introduced,all of the size change factors were numbers larger than1.......
PicturingtheSolvingofax+b=cSupposethereisabalance-scalepictureoftheequation3w+5=14.Onthescale,threeboxesofequalunknownwe......
施工机械的最大生产率P_(max)是表征机型特点的数值(规格)u和物料装运位移量(运距或转角)s或φ的函数。从系统工程学的观点考虑,引......
快速猜谜1.I am white.You candrink me.I am in the dairygroup.What am I?2.Iam green or red.Iamspicy and hot.I am in theveg......
<正>The ionosphere is composed of a large number of electrons and ions, which are produced by the photoionization effect......
Adult stem cells are undifferentiated cells,found throughout the body after embryonic development, that multiply by cell......
The production of multiply charged C60 ions and the mass spectra resulting from fragmentation process of these ions are ......
Pulsed laser photolysis/laser-induced fluorescence (LP-LIF) is utilized to measure rate constants for C_2(a~3(multiply ......
A live,genetically modified flu virus can infect animals and trigger a strong immune response,but cannot multiply in its......
Catch a falling star and put it in your pocket.Never let it fade away.Catch a falling star and put it in your pocket.Sav......
Computer Simulation of Technetium Scrubbing Section of Purex Ⅰ: Computer Simulation and Technical Pa
A computer program was developed to simulate technetium scrubbing section (TcS) in Purex based on the theory of cascade ......
The structure of Mg-like ions, in particular the n=3 complex, has been extensively studied for manyyears. In most of th......
LECR2 (Lanzhou ECR ion source No. 2) has been used to provide multiply charged ion beams for HIRFL cyclotron for many ye......
The spectrum of highly ionized nickel in the region of 12-40 nm was studied by means of the beamfoil method. Nickel ions......
An Alison type Emittance Scanner System had been already developed in IMP and successfully used in the measurement of th......
The Tricomi and Frankl Problems for Generalized Chaplygin Equations in Multiply Connected Domains Guo Chun WEN The prese......
The paper puts forward a method on controlling the AM-OLED panel to display image with high gray scale levels.It also gi......
A 10 bit 80 MSPS analog to digital converter optimized for WLAN analog front end is presented.In contrast to conventiona......
设函数π:R~n→R定义如下: π:(x_1,…,x_n)→multiply from k=1 to n(x_k)。 近来,用一个一元连续函数夕与函数冗的复合旷冗来逼......
P systems have been used many times to face with computationally difficult problems, such as NP-complete decision proble......
Intercalation of multiply solvated hexafluorophospate anion into graphite electrode from mixtures of
Graphite is a universal host material for ion intercalation. Li+-graphite intercalation compounds (GICs) have been succe......
本文通过观察不同样品浓度，不同基体，不同基底所形成ＭＡＬＤＩ－ＭＳ负离子谱图中多电荷单体及单电荷多聚体的情况，了解其形成的规律。实验结果发现随......
本文从系统的角度对港口的社会效益进行定量研究，首先从理论上分析了港口的社会效益，然后建立一套对航运的社会效益进行定量分析的数......
弦管拍板是弦管的拍击体鸣乐器，其以拍按香檀的形式传播至今。它承继中国传统音乐拍文化的精髓，凝练了厚实的科学思想，充分显示出这一......
工频谐波干扰在微机检测控制系统中是干扰最广的一种干扰成分,为了消除这种干扰,本文从理论上进行了较为详细的推导,提出了在温度......
设Q（q）=multiply from n=1 to ∞（（1-q<sup>n</sup>）（|q|【1））欧拉的五边形数定理为 Q（q）=sum from n=0 to ∞(（-1）<sup>n</sup>q<sup>n（3n+1）</s......
Multiply Charged Anions,Maximum Charge Acceptance,and Higher Electron Affinities of Molecules,Supera
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<正> 初学复变函数时,对确定某些初等函数的支点,往往感到困难,下面仅就自己的学习情况谈点体会。 第一、z=∞为f（z）=multiply from ......
空间索引是空间数据库的关键组成部分，其性能的优劣直接决定着空间数据操作的效率。为此，在分析了现有各种空间索引的基础上，将分布并......
论述了香花槐生物学特性,繁殖技术.指出香花槐适应性强,耐旱耐寒,可降低土壤盐分改良盐碱地,可兼作风景林、水土保持林、速生用材......
以驱蚊草茎段为试材,正交设计法考察3种激素对其增殖率的影响,结果表明,MS+6一BA1.0mg/L+IBA0.1 mg/L+GA3 1.1 mg/L为增殖培养的适......
近年来,“巨芒”作为一种优秀的可再生能源与纤维作物,已被科学家所重视,我国也正在引进、研究和试种......
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