空气动力

The mathematical model for undercarriage load simulation system of a certain airplane is established in this paper.

建立了某型飞机起落架负载模拟系统的数学模型，将起落架位置干扰量作为系统的不确定参数，设计了系统输出力矩跟踪空气动力载荷谱的非线性控制规律并进行了系统仿真。

Extension of 0.86 meters before the fuselage, a wingspan of 1.31 meters widening, machine warily surface increased 9.29 square meters, therefore reducing the wing loading; horizontal stabilizer has also been increased, sweep angle decreases; edge of the wing leading edge of an area of increasing big 34%; wing and fuselage in order to improve aerodynamic performance has greatly improved.

前机身延长0.86米，翼展加宽1.31米，机翼翼面增大9.29平方米，因此翼载减小；水平尾翼也有所增大，后掠角减小；机翼前缘边条面积增大了34%；机翼及机身的改进令空气动力性能有极大改善。

The foglamp surrounds, wing mirror shrouds, 17-inch alloy wheels and aerodynamic spoiler all sport the same shade of dark metal grey.

周围的雾灯，后视镜罩，17英寸合金轮毂和空气动力扰流板所有体育运动中的黑暗金属灰色色调相同。

They invented the aerodynamic boomerang and a type of spear thrower called the woomera.

他们发明了符合空气动力原理的回旋镖和一种称为武麦拉的投掷标枪。

There are lots of styles available based on whether you have/enabled aero effects.

有很多可用风格的基础上是否有/启用空气动力效果。

The equilibrium equations describing the motion of the charged-liquid-drops under both the action of atmospheral and electrostatical forces are constructed with the help of C.G.Stokes formula.

并由斯托克斯公式建立了带电液滴所受空气动力与静电场力的平衡方程，由此估算了雷电场强和雷电压的可能值。

The procedure and aerodynamic design process of the CPU fan are embodied into parametric design and numerical simulation software utilizing VB language as well as axial-flow fan aerodynamic design software,which can generate high quality HEXA mesh automatically.

采用VB开发了CPU轴流风扇空气动力设计软件和风扇参数化设计模拟软件，使用者只需输入风扇的基本结构参数，便可由程序自动生成高质量的六面体网格，能自动进行批处理模拟和结果后处理。

The trained neural netw ork model can be directly applied to aerodynamics research and real-time simu lation of helicopter.

由该方法建立起来的干扰神经网络模型可直接用于直升机空气动力特性的研究及实时仿真。

AIM has also found a strong resemblance between the noctilucent clouds and tropospheric clouds that hover near Earth's surface, which suggests that the dynamics of near-space weather may not be incredibly strange after all.

&他们如此微细，不会散光&，托马斯说。同时，AIM 卫星也发现，夜光云与漂浮在地球表面的对流层云极其相似。这说明，近太空的空气动力并非不可想象。

Four aspects of research achievements include:(1)several imaging correction methods and strained estimation methods for biological tissues elasticity imaging were investigated as well as elasticity reconstruction and phantom, in vitro and in vivo elasticity imaging experiments;(2)in the fields of biological microsystem and perfusion evaluation for microvascular system, three kinds of microbubbles whose shell are albumin, sugar ester and surfactant respectively were designed and produced, then the methods to estimate the thickness of their shells were presented, moreover, the interacting mechanism of ultrasound contrast agents and tissues, as well as protein drug delivery under the condition of ultrasound sonification were studied in the molecular level;(3) At the aspect of high intensity focused ultrasound therapy system, we designed and constructed the 256-element HIFU transducers using 1-3 composite materials. And furthermore we developed the integrated HIFU system with 256-element HIFU transducers. And we made preliminary and important progresses in the research of HIFU bioeffect, lesion estimation, techniques of monitoring and imaging and characterizing of structure of HIFU transducer;(4)The real-time method of voice source regeneration based on compensative regulation of physiological parameters was investigated in the field of medical rehabilitation. We addressed the physiology and biophysics of vocalization, modeled voice source regeneration based on compensative regulation mechanism, and put forward an integrated evaluation about the speech rehabilitation and the regenerated voice source; Sixty-one archived journal papers were published, as well as ten in international journals, and eighteen publications were embodied by SCI.

成果包括：（1）在生物组织弹性成像方面，研究了多种图像校正方法和应变估计方法，进行了弹性重构和仿体、离体及在体超声弹性成像实验研究；（2）在生物微系统和微血管血流灌注成像方面，制备了三种不同包膜超声造影微泡，研究了纳米包膜厚度检测与估计方法以及不同纳米包膜造影微泡断裂与药物释放机制，并在分子层次上开展了超声与生物组织相互作用机制以及蛋白质药物超声乳化微囊包裹的研究；（3）在阵列式高强聚焦超声治疗与监控成像技术方面，设计制作了新的HIFU换能器，解决了256阵元单焦点和多焦点合成HIFU治疗系统关键技术问题，并在HIFU生物效应与创伤性评价方法、HIFU过程监控成像技术和薄层复合结构与HIFU 换能器界面特性评价等方面的研究取得了初步而重要的进展，具有重要应用前景；（4）在语音听觉系统特别是嗓音康复方面，研究了基于发声系统补偿调节机制的实时多模式嗓音源再生方法和发声生理，建立基于神经、肌肉和空气动力系统的综合补偿调节模型，提出了相应的评价系统。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。