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  speed
     Dynamic Analysis Techniques for Coastant Speed Power Transmission of 400 c.p.s. A-C Electric-energy System in Aircraft——Dynamic Study of a Nonlinear Mechanical-electro-hydraulicComplex Control System.
     航空用400周恒频交流电源系统恒传动装置的动态性能计算与分析——机械-电-液压非线性复合系统的动态性能研究
短句来源
     The Influences of the Initial Speed and Position of Typhoon on Its Movement
     台风的初度和初始位置对台风移的影响
短句来源
     Fault Analysis and Improvement Scheme forPneumatic Remote Control System of MAN14V40/54A Medium Speed Diesel Engine
     MAN_(14)V_(40)/54A中柴油机气动遥控系统故障分析及其改进方案
短句来源
     Simulation of Combustion Process of the Medium Speed Diesel Engine
     中柴油机燃烧过程的计算模拟
短句来源
     Calculation of Pumping Speed of Sputtering Ion Pump
     溅射离子泵的抽计算
短句来源
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  rate
     Estimate of the Convergence Rate of the Finite Element Solutions to Elliptic Equation of Second Order with Discontinuous Coefficients
     具有间断系数的二阶椭圆型方程的有限元解的敛估计
短句来源
     AN A.D.I.GALERKIN METHOD AND THE ESTIMATION OF THE CONVERGENCE RATE FOR SCHRODINGER'S EQUATION
     解Schrdinger方程的A.D.I.Galerkin方法及其敛估计
短句来源
     Effect of Some Compounds on HTPB Composite Propellant Burning Rate Pressure Exponent
     某些化合物对HTPB复合推进剂燃压力指数的影响
短句来源
     The Determination of Individual Rare Earth in the Binary Mixture of Gd and Y by Rate Differential Kinetic Method
     三氯偶氮胂差动力学分析法测定Gd、Y二元混合物中的单一稀土
短句来源
     The Projectionally Approximation-solvability and the Estimations of the Convergence Rate for a Class of Nonlinear Evolution Equations in Banach Spaces
     Banach空间中一类非线性发展方程的投影近似可解性及敛估计
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  velocity
     Experimental Study on the Early Effect of Firearm Perforating Wound to Vertebral Body by Different Velocity Bullet
     不同弹椎体火器贯通伤对机体早期影响的实验研究
短句来源
     A method for determining settling velocity of ~(113m)In labelled sands
     ~(113m)In示踪沙的沉测定法
短句来源
     THE TEN-CHANNEL TIMED DETONATION VELOCITY METER MODEL BSS-2
     BSS-2型计时式十段爆
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     THE FAST AND CONSTANT VELOCITY VECTOR GENERATOR FOR COMPUTER INFORMATION DISPLAY
     计算机信息显示快矢量产生器
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     The Application of Transonic Velocity Potential Equation with Higher Order Approximation for Computing the Pressure Distribution over the Blunt Leading-edge Airfoil
     应用跨音高级近似扰动势方程计算钝前缘翼型的压力分布
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  rapid
     Methods:The lymphocyte subpopulations(CD4+,CD8+,CD25+,CD4+CD25+,CD8+CD25+,CD4+CD25+CD62L+ T cells) in peripheral blood mononuclear were in 24 LADA, 18 type 1 diabetic with rapid progression, and 20 normal control by flow cytometric.
     方法:LADA组24例,发性T1DM18例,对照组20例,应用流式细胞技术测定3组入选者T细胞表面分子CD4、CD8、CD25、CD4+CD25+、CD8+CD25+、CD4+CD25+CD62L+,以百分比表示各表面分子阳性T细胞占外周血淋巴细胞的比例。
短句来源
     Under this conditions the plating rate is rapid、 the solution of plating is steady、 the film is brightness. The contents of the film are P 7.48%、 Sn 12.76%、 Ni 78.12% and Fe 1.64%. The hardness of the film is 487.14HV.
     在该条件下施镀,镀较快、镀液稳定、镀层光亮、镀层组成为P 7.48%,Sn 12.76%、Ni 78.12%和Fe 1.64%,硬度HV为487.14.
     RAPID—SOLIDIFYING ADHESIVE M—899 FOR PVC
     M—899PVC干胶的研制
短句来源
     When x=0.2,the quenching rate increased from 0 m/s to 30 m/s,the discharge capacity of the alloys decreased from 390 mAh/g to 350 mAh/g,the cycle life of the alloys was enhanced from 82 cycles to 116 cycles. But the improvement of the rapid quenching technology on the cycle life of La-Mg-Ni system hydrogen storage alloys was very limited.
     当x=0.2时,淬从0 m/s增加到30 m/s,合金的放电容量从390 mAh/g下降到350 mAh/g,循环寿命从82次提高到116次,但快淬工艺对La-Mg-Ni系贮氢合金循环寿命的提高非常有限。
短句来源
     The results are that the delicacy of xingling, SN-1A rapid determining apparatus and RP-410 rapiddetermining apparatus to methamidophos are 1mg/kg. CL-1 determining apparatus 2 mg/kg. and Suceling determiningreagent Ⅰ 3 mg/kg.
     结果显示,新灵、SN-1A型测仪、RP-410型农药残留快测定仪对甲胺磷溶液的检测灵敏度可以达到1 mg/kg,CL-1型残留农药测定仪为2 mg/kg,测灵Ⅰ型检测试剂为3 mg/kg。
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      speed
    Again we provide explicit estimates for the speed of convergence.
          
    More particularly, Genetic Algorithms, Artificial Neural Networks and Fuzzy Logic methods seem to be the most promising tools to speed up and optimize the search for new leads and focused libraries.
          
    How to increase the speed in drawing and recognizing curves has always been a major concern.
          
    The method could reduce the computational work and storage, it could also converge linearly with an adjustable speed.
          
    As supersonic speed at upper reaches and subsonic speed at lower reaches in a duct, the position of shock layer is analyzed and the asymptotic estimation of solution, is obtained.
          
    更多          
      rate
    We show that the rate of convergence for this reconstruction algorithm is geometric and computable in advance.
          
    Finally, we consider the effect on the rate of convergence of not sampling enough local maxima.
          
    We show that the rate of convergence for this reconstruction algorithm is geometric and computable in advance.
          
    Finally, we consider the effect on the rate of convergence of not sampling enough local maxima.
          
    For compactly supported gm, n (FIR filter banks) we prove an exponential rate of convergence and derive explicit expressions for the involved constants.
          
    更多          
      velocity
    Specifically, the assumptions on initial data are that the modulo constant is stated at x=+∞ and x=-∞ which may be different, the density and velocity are in L2, and the density is bounded above and below away from zero.
          
    The wind turbine imitation system includes not only a hardware platform composed of PC, data-collection board and thyristor-based velocity-regulator, but also monitor software of wind turbine imitation.
          
    Low velocity target detection based on time-frequency image for high frequency ground wave radar
          
    The threshold wind velocity of a number of variables was studied in four different land-use types: farm land, forestland, wild grassland and a flood plain in the Yongding River sandy land in Beijing.
          
    psammophila could accumulate sand because the plant decreased the windward and leeward wind velocity.
          
    更多          
      rapid
    The use of time-frequency methods (phase space methods) allows the use of rough symbols of ultra-rapid growth in place of smooth symbols in the standard classes.
          
    The pharmaceutical sciences are advancing rapidly in the post-genomic era of the 21st century with the completion of the human genome, as well as those of many other organisms including bacteria and parasites, and the rapid advances in proteomics.
          
    The α-isomer exhibited rapid and significantly higher peak plasma concentrations in all the species post intramuscular administrations, while β-isomer showed prolonged plasma levels.
          
    This suggests that the rapid initial reduction in percent parasitemia may be due to α- isomer and the activity is maintained by the β- isomer.
          
    Flavonoid antioxidants act as scavengers of free radicals by rapid donation of a hydrogen atom.
          
    更多          


    Self-recording system is devised and used to measure potential gradient at Yenching. In fine weather the results show two maxima and two minima for a whole day. During raining potential gradient is constant at zero value, except when lightening and thunderstorm occur in which case the potential gradient changes rapidly both in magnitude and direction.

    本篇所述,为在北平燕京大学用静电计及一连续记录器测量大气电位梯度之方法及结果测量方法,乃用一种均位器(eqalizer)将离地面约3至6米高之电位显示于静电计上再用照相纸将此电位制成连续记录。测量所得结果如下:晴天之电位梯度。一日之中,有二最高值及二最低值雨时梯度即降至零,且此值非至雨止不变。当闪电及雷飓时,梯度之方向与值,变易极。且较晴天时为大。

    It is founded by several authors that: the total angular momentum of the atmosphere decreases from winter to summer, compensating the increase of the angular momentum of the solid earth in the same period (principle of conservation of total angular momentum of an isolated system). However the average (over the globe)westerly circulation in the lower atmosphere (from 800 mb to surface) is stronger in summer than in winter. It is the authors, opinion that: it may be this increase from winter to summer of the westerly...

    It is founded by several authors that: the total angular momentum of the atmosphere decreases from winter to summer, compensating the increase of the angular momentum of the solid earth in the same period (principle of conservation of total angular momentum of an isolated system). However the average (over the globe)westerly circulation in the lower atmosphere (from 800 mb to surface) is stronger in summer than in winter. It is the authors, opinion that: it may be this increase from winter to summer of the westerly circulation near the earth's surface, that speeds up the angular velocity of the earth's rotation from winter to summer. It may also be this increase that causes a higher rate of destruction of atmospheric angular momentum in summer, thus diminishing the total amount of the angular momentum from winter to summer.

    把大气和地球看成一个孤立的系统,则此系统之总角动量不改变。从冬到夏地球本身的角动量增加,则同一时期大气的总角动量减少,但是低层大气(从地面到800毫巴)的平均西风环流夏季反而强於冬季,因此作者认为:从冬到夏近地面西风环流的这种加强,可能就是同一期间地转角加快的原因;同时也可能是夏季大气角动量消耗率较高的原因。

    1-Keto-2-methyl-7-methoxy-1, 2, 3, 4, 9, 10, 11, 12-octahydrophenanthrene, whose BC ring has the same configuration as dl-estrone's, was readily obtained from Miescher's ketoester A by alkali hydrolysis. By means of the Reformatsky reaction this ketone reacted with methyl γ-bromocrotonate, forming methyl γ-1-hydroxy-2-methyl-7-methoxy-1, 2, 3, 4, 9, 10, 11, 12-octahydrophenanthrene-1-crotonate. This unsaturated ester, after being hydrogenated in the presence of 5% Pd-C, was hydrolyzed with dilute KOH in CH_3OH...

    1-Keto-2-methyl-7-methoxy-1, 2, 3, 4, 9, 10, 11, 12-octahydrophenanthrene, whose BC ring has the same configuration as dl-estrone's, was readily obtained from Miescher's ketoester A by alkali hydrolysis. By means of the Reformatsky reaction this ketone reacted with methyl γ-bromocrotonate, forming methyl γ-1-hydroxy-2-methyl-7-methoxy-1, 2, 3, 4, 9, 10, 11, 12-octahydrophenanthrene-1-crotonate. This unsaturated ester, after being hydrogenated in the presence of 5% Pd-C, was hydrolyzed with dilute KOH in CH_3OH solution, giving the sodium salt of the hydroxy acid. Upon acidification of the sodium salt solution, γ-1-hydroxy-2-methyl-7-methoxy-1, 2, 3, 4, 9, 10, 11, 12 -octahydrophenanthrene-1-butyric acid was obtained with excellent yield. This acid was recrystallized from benzene, mel- ting at 168-169°. Preliminary experiments on the cyclization of this hydroxy acid indicated the formation of a ketone.

    由1-氧代-2-甲基-7-甲氧基-1,2,3,4,9,10,11,12-八氫化菲及γ-溴代巴豆酸甲酯,利用Reformatsky反應,得到γ-1-羥基-2-甲基-7-甲氧基-1,2,3,4,9,10,11,12-八氫化菲-1-巴豆酸甲酯。此化合物經過催氫化及水解後,得到γ-1-羥基-2-甲基-7-甲氧基-1,2,3,4,9,10,11,12-八氫化菲-1-丁酸,產量極佳。

     
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