In this way, all the substrates could be converted into a single product isomer with a100% theoretical yield.

The 'hydantoinase method' can be used for the production of D-amino acid with 100% theoretical yield.

利用海因酶法生产D-氨基酸理论上可以达到100%的纯度。

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The test reached a high level of theoretical yield of 94.3%.

49.44ml/100g淀粉，可达到理论收率的94.3%的极高水平。

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The seeds of Zanthoxylum bungeanum Maxim is a food protein resource and a woody oil plant which is riched in lipid, although its theoretical yield is 20 percent more than the pericarp, it was still discarded and landfilled or burned.

花椒籽是一种含油量丰富的木本油料和食物蛋白质资源，其理论产量高出花椒果皮20%，但却因长期未得到合理利用而被废弃填埋或者焚烧。

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Theoretical yield than controls of enhanced 0.99% 3.58%.

理论产量比对照的增加幅度为0.99%-3.58%。

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Based on theoretical analyses for working velocity on stripping rotor and linked field practice, we obtain the optimum parameters adopted 15~ 16m/ s of linear velocity of the stripping rotor, that mutually cooperate with smaller clearance of feeding mouth and area of air return opening.

根据对梳脱滚筒作业速度的理论分析并结合田间试验，得出与较小的喂入口间隙及回风口的过流面积相配，梳脱滚筒齿顶线速度取15～16m／s的较佳参数。

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The calculation formulas for velocity coefficients φ_2 and φ_5 for the throat and throat inlet section were deduced from the theoretical research on the velocity coefficients in time-averaged basic equations by use of the unsteady momentum equation and time-averaged value calculation method.

运用非恒定的动量方程和时均值计算方法，对脉冲液体射流泵时均值基本方程中的流速系数进行了理论研究，推导出了喉管和喉管进口段流速系数φ2和φ5的计算式。

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On the basis of the theoretical model of annular velocity field and pressure field in air drilling and combination with practical working conditions of air drilling, the calculation method of air drilling is discussed and proofed.

文中根据空气钻井环空流速场、压力场的理论模型，结合空气钻井实际工况，对空气钻井计算方法进行了有益的探索，并用实钻数据进行验证。

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In addition, through the theoretical analysis of the velocity, velocity measurement error and other parameters, a phase-corrected formula is given.

另外，本文对运动速度大小、速度测量误差等参数对反演误差的影响进行了理论分析，并给出了相位修正公式。

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The theoretical count on the velocity fluctuation and the reynolds stress and the analysis of reasons-mechanism for turbulence

脉动流速和雷诺应力的理论计算及紊流的产生根源和紊流机制分析

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A theoretical formula for particle velocity variation along shaped charge jets was derived based on the energy conservation of jet stretching.

从射流拉伸过程的能量关系出发，导出了相邻颗粒间速度差的理论公式。

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Then a theoretical relationship between ultrasonic velocity and attenuation of rock and axial stress based on an effective crack density parameters are given.

在此基础上用裂纹的体积变形建立岩石在单轴加载过程中的等效裂纹模型，用该等效模型建立了岩石在单轴加载全过程中超声波速及衰减系数随应力变化的理论关系。

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Theoretical study of differential velocity 4-vane pump

四叶片差速泵的理论研究

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Theoretical research on the velocity field of charged droplet

带电雾滴速度场理论研究

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Theoretical Estimation of Threshold Velocity of Blasting Vibration for Rock Slope

岩质边坡爆破振动速度阈值的理论估算

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A Theoretical Analysis of the Velocity Ratio of the Radial Turbine

径流式透平速度比的理论分析

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The theoretical critical impact velocity in tension is discussed: For OFHC copper, the theoretical critical impact velocities ( the plastic wave speed reaches zero) in tension are calculated with J-C and Z-A constitutive relations and the obvious differents are indicated. 7.

讨论了理论临界冲击拉伸速度：从理论临界拉伸速度的定义出发。采用J-C及Z-A本构关系计算了OFHC材料塑性波趋于零时的不同的临界冲击拉伸速度。

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Through analyzing the flow in the porous matrix with the Brinkman extended Darcy equation and through including the effect of dispersion by adding the dispersion coefficient into the energy equation, the theoretical solution of velocity distribution and temperature fields were obtained.

通过用Brinkman extended Darcy方程分析多孔层内流体的流动，以及在能量方程中加入弥散系数，得到模型内速度场和温度场的理论解。

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Taking the conventional artillery as an example: the muzzle velocity of shells are subjected to various inherent factor constraints, so its projectile has a theoretical limit muzzle velocity.

比如，在常规火炮中，炮弹的初速度受到各种固有因素的限制，即弹丸初速存在一个理论上的极限速度。

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A macroscopic mechanical model of friction reduction in the presence of vibration was introduced and a theoretical model of velocity control using throttle plates was established.

引入了振动减摩宏观力学模型，建立了基于流体力学的节流调速理论模型。

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Theoretical analysis of velocity and removal efficiency of non-metallic inclusions in molten steel by electromagnetic filtration

电磁过滤钢液中非金属夹杂物的运动速度和去除效率的理论分析

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