1、

The detection and reconstruction of wavefront by Lateral Shear Interferometer ( LSI) and Hartmann Wavefront Sensor ( HWS) have been deduced analogically and simulated numerically.

对横向剪切干涉仪和哈特曼波前传感器的波前探测和复原进行了类比推导和仿真计算。

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2、

The ambipolar diffusion coefficient of charged copper species in copper vapor laser is theoretically deduced.

推导了铜蒸气激光器带电粒子的双极扩散系数。

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3、

The equation of air demand was derived from the theory of oxygen transfer in aeration.

根据曝气过程中氧转移的有关理论,推导出需气量的表达式;

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4、

This paper introduces the calculating formulas and their derivation process for theoretical combustion air demand and steam vapour content in flue-gas. The author believes that the calculated steam vapour content in flue-gas based on moisture in total air amount is more realistic and in higher accuracy.

介绍了锅炉燃煤所需理论空气量和烟气中水蒸气量的计算公式及推导过程,认为按总空气量的水分计算,烟气中的水蒸气更符合实际,精度高。

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5、

Based on soil plasticity and upper-bound analysis theory, the earth pressure intensity formula distributing along the tunnel portal length, general earth pressure formula and earth pressure action point formula are derived.

详细推导了运用土体塑性极限分析理论中的上限解方法研究隧道洞门土压力沿隧道洞门墙高的分布土压力公式、总土压力公式及土压力作用点公式。

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6、

Moreover, taking on the Rayleigh integral the far field acoustic pressure and the directivity formula is obtained.

并对其声场远场采用瑞利积分推导了一般表达式和指向性公式。

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7、

By using complex amplitude to describe sound field distributing, acoustic lens pulse response is deduced in theory, and function imaging of biological tissue is obtained.

以声场复振幅来描述声场分布,根据基尔霍夫衍射理论,从理论上推导了声透镜的脉冲响应,并通过实验得到了生物组织的功能成像。

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8、

It has put forward a imaging method of acoustic lens using photoacoustic signal and according to the Kirchhoff diffraction theory we deduced pulse response of acoustic lens.

光声信号声透镜层析成像方法的提出,并依基耳霍夫衍射理论推导了声透镜的脉冲响应。

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9、

The conversion relationship of inertial tensor matrix under the conditions of gyration and aclinic shift of coordinate system for catastrophic structure vehicle is derived, and the same formal structure matrix is expressed by using matrix of quaternions product.

用四元数和与四元数乘积的矩阵表示形式结构相似的矩阵,针对结构突变飞行器固连坐标系有平动和转动的情况,推导了惯性张量矩阵的变换关系。

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10、

The concept of equivalent absorbance is proposed. Under ideal conditons and without the consideration of noise, the sensitivity and the optical path corresponding to optimal sensitivity are derived for the absorptiometer that uses software for A/ D conversion.

提出了等效吸光度的概念,在不考虑噪声的理想情况下,推导出以软件完成AD变换的光电吸收式仪器的灵敏度及最佳灵敏度对应的光程。

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11、

Liber Abaci emphasizes summed-up algorithm, but does not pay attention to the form of propositions derived, and it mainly reflects the tendency of practical algorithms, such as principal method from India and the algebraic knowledge from the Arab.

全书讲究算法概括,不注重命题的形式推导,体现出实用化算法化倾向。例如:来自印度的三率法等算术技巧和来自阿拉伯的代数学知识。

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12、

Working principles of Buck chopper for regulating circuit and LCC series-parallel resonant circuit in the CCM work mode were analyzed using the fundamental wave analysis method, and the converter steady state model were deduced as well as the detailed design process and calculation method.

针对Buck调压电路和LCC串并联谐振电路在CCM工作模式下,分析其工作原理,采用基波分析法推导变换器稳态模型,给出详细的设计计算方法。

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13、

The paper has analyzed asphalt material rheological performance through the Brookfield rotary viscosity and induced the relative asphalt viscosity with asphalt mixture stiff module.

本文通过Brookfield旋转粘度对沥青材料的流变性能进行了分析,并推导出沥青粘度与其混合料劲度模量的关系式。

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14、

Moreover, extinction rules and Bravais types are derived and tabulated in order to facilitate the determination of the superspace group symmetry.

还较详尽地推导了Bravais格子和系统消光规律,并给出它们的完整的表格,以利于空间群的确定。

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15、

This paper presents a improved calculation procedure about the Bowles-Mackenzie theory of martensite transformation.

对传统的马氏体相变的Bowles-Mackenzie表象理论(简称BM理论)的推导过程进行了改进。

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16、

The exciting forces on the body of a movable piston compressor tube linear motor ( MPCDTLM ) are discussed.

讨论了移动式直线电动活塞压缩机机体上的 激振力,理论推导和数值分析了机体振动微分方程式.

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17、

The formulas of fracture pressure and collapse pressure were concluded according to Culon-morper rule and the Minimum Main Stress Destroy rule.

根据库伦-摩尔准则和最小主应力拉伸破坏准则推导坍塌压力和破裂压力的求解公式。

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18、

The kinematics coordinate systems are established, the formula of 2 R positioner inverse kinematics is derived.

建立了运动学坐标系, 推导了满足焊缝转角和焊缝倾角要求的变位机逆运动学公式.

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19、

This paper has analyzed the longitudinal oscillation characteristics of scraper conveyer chain and carried on the suitable simplification.

分析了刮板输送机链条纵向振动的特点并进行适当简化,推导出纵向振动的基本方程,考虑驱动性能差异确定了不同工况下的边值及初始条件。

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20、

By outcomes of latest theory research, the direct formula about dilatancy angle and surrounding ground deformation is introduced.

利用最新的弹塑性理论研究成果,推导出了膨胀角与围岩变形的直接关系式;

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