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The heaviest solid (iridium, density r s = 22.6g/cm3, size f 4mm) and liquid (mercury, density r s = 13.6g/cm3, size f 5×2mm ) on the earth is acoustically levitated by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the self-developed single-axis acoustic levitator.

以上述理论为指导,对自行研制的单轴式声悬浮装置进行了优化设计,显著提高了悬浮力和悬浮稳定性,悬浮起自然界中密度最大的固体铱( Ir ,密度 r s =22.6g/cm3,尺寸 f 4mm )和液体汞( Hg ,密度 r s =13.6g/cm3、尺寸 f 5×2mm )。

The morphology, size, chemical composition and distribution of boron nitride in T122 steel were experimentally investigated by means of optical microscope, SEM and EDS.

在铁素体型耐热钢T122中添加微量硼,对T122钢中BN夹杂物的形态、尺寸、成分及分布特点等进行了研究。

Cerium oxide has a wide range of uses, but many applications require special physics properties of particles. It is particle morphology, size, structure, dispersion, surface properties ,this physical and chemical properties, that determine their application field, but the traditional preparation process is difficult to control cerium oxide particle morphology and physical properties, thus making it difficult to meet the application requirements.

氧化铈有着广泛的用途,但很多方面的应用都要求其粒子具有特殊的物性,粒子的形貌、尺寸、结构、分散性、表面性能等物化性能决定其应用领域,但传统制备工艺难以控制氧化铈粒子的形貌及物性,从而难以满足应用的需求。

Please ensure your size, color and product code is correct.

请再下单前选好你要的颜色,尺寸

This paper analyzes the moving characteristics of nipper mechanism of new type FA266 comber made in China, and discusses the eccentric shaft and eccentricity influence on combing processing and the moving of nipper mechanism, which provides the theory basis of the from of opening-closing time adjusting mechanism, dimension, process parameter, and adjustment pattern.

分析了国产新型精梳机FA266钳板机构的运动规律,讨论了偏心轴偏心距对精梳工艺及钳板机构运动的影响,为确定国产新型精梳机中钳板运动的开闭口定时调节机构的形式、尺寸、工艺参数及调节方式提供理论依据。

This paper analyzes the moving characteristics of nipper mechanism of new type FA266 comber made in China, and discusses the eccentric shaft and eccentricity influence on combing process ing and the moving of nipper mechanism, which provides the theory basis of the from of opening-closing time adjusting mechanism, dimension, process parameter, and adjustment pattern.

分析了国产新型精梳机FA266钳板机构的运动规律,讨论了偏心轴偏心距对精梳工艺及钳板机构运动的影响,为确定国产新型精梳机中钳板运动的开闭口定时调节机构的形式、尺寸、工艺参数及调节方式提供理论依据。

Some physical and mechanical characteristics including weight per 1000 seeds, density , sizes, pressure damage and friction of cornus officinalis were determined starting from practical designs.

从实用设计出发,对山萸果的千粒重、容重、尺寸、挤压破坏和摩擦等物理机械特性进行了测定。

The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take-off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. The neutron flux at different wavelength, under different reflection and take-off angle of the monochromator and divergency of the first collimator, were given. The simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected.

用蒙特卡罗模拟方法对中子应力衍射谱仪的设计方案进行了优化研究,提出了一系列可供参考的数据:确定了单色器的位置、尺寸、垂直聚焦单色器在不同起飞角下的聚焦曲率半径和倾角;讨论了第二准直器的尺寸和发散,以及使用第二准直器造成的强度损失;给出了在不同单色器反射面、起飞角、中子波长和第一准直器发散度的情况下样品处的中子注量率,以及多种组合情况下谱仪的分辨率曲线;对限束方孔的尺寸、距离样品远近对强度损失和测量中的影响做了深入研究。

Drum kit, paint, ropes from a ship found after midnight, black wax, plaster, vegetable matter, crushed insect parts, artist's blood and cumStool, 50 x 30cm

材料:鼓桶,油漆,船只在午夜栓在岸上用的绳索,黑蜡,石膏,植物作料,粘碎的昆虫,艺术家本人的血,尺寸:椅子:50*30CM

Hot Rolled Half-round Steel and Half-oval Steel, Dimensions, Weights, Permissible Variations

棒钢材。热轧半圆钢和半椭圆钢。尺寸。重量。允许偏差

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推荐网络例句

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性,而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我,那他就大错特错了。

Can I be excused today's lesson?

我可以不上今天的课吗?