发现玻色爱因斯坦凝聚体的一维轴向干涉条纹的密度分布是一种驻波状结构。
It is found that the density structure of one dimensional interference fringes of Bose Einstein condensates is in form of a standing wave.
本文讨论了丝网型回热器能在纯行波状态下起振的临界温度梯度与结构参数及运行参数的关系。
This paper analyses the critical temperature gradient of a regenerator under a simplifying assumption for different structure and operating parameters.
湘东南地区资汝煤田上三叠统为一套灰黑色砂质泥岩、细砂岩、中粗粒砂岩以及煤层等沉积组合,具有砂泥薄互层层理、斜波状层理、水平层理及大型交错层理等沉积结构。
The Upper Triassic Series in the Zixing-Rucheng coalfield in southeastern Hunan is a set of grayish black sandy mudstone, fine sandstone, medium coarse sandstone and coal seams combination.
本课题根据啮合同向双螺杆啮合原理及螺杆运动关系,将波状螺杆结构应用到双螺杆挤出机中,设计了一种波状双螺杆元件。
A wave twin screw element was designed on the basis of meshing theory and motion relation for co-rotating twin screw extruder by introducing wave screw structure in this paper.
背景谐波电压不仅与电网中谐波源强弱、网压变化有关,而且与电网容量、结构有关。由于其直接决定电网承受畸变负荷的能力,所以有必要对各种电网的背景谐波状况作全面了解和测量。
The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability.
背景谐波电压不仅与电网中谐波源强弱、网压变化有关,而且与电网容量、结构有关。由于其直接决定电网承受畸变负荷的能力,所以有必要对各种电网的背景谐波状况作全面了解和测量。
The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability.
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