比尔和他的团队使用一种被称为“活动镜”的光学仪器,这是一种在天文望远镜的种类中用来发现新出现的恒星和遥远星系的仪器。
Bille and his team work with an optical instrument called an active mirror—a device used in astronomical telescopes to spot newly emerging stars and far distant galaxies.
活动星系核的光学谱变化与光变时标之间是否存在某种关系?
AGN changes in the optical spectra and light changes between standard Is there some relationship?
结果表明:这两种模型是定性解释活动星系核光学波段光变的合理模型。
The results show that these two models can qualitatively explain the AGN variability in the optical band.
材料如聚甲基丙烯酸甲酯,光学元件,或其他退火塑料很低的双折射活动,因此需要不同的方法。
Materials like PMMA, optical elements, or other annealed plastics exhibit very low birefringence activity and thus require a different approach.
结论光学记录膜电位方法可以在神经细胞群的水平上直观观察VN神经电活动的时空二维方式及其兴奋性突触传递过程;
Conclusion The study indicated that the use of optical recording for revealing visually the synaptic transmission of afferent input in VN in brainstem was feasible.
一个汞合金难题,实验,光学错觉,暗号等,所有这些都能在这本令人难以置信的大脑活动书找到答案。
In full color. A jam-packed amalgam of puzzles, experiments, optical illusions, secret codes, and more are clearly explained in this brain-boggling activity book.
本文中我们利用盘不稳定模型和星爆模型的基本思想,模拟活动星系核在光学波段的光度和光谱斜率变化,并将模拟的结果和观测进行比较。
In this paper, using disk-instability model and starburst model, the AGN optical variability and spectral slope variability are simulated and confronted with observations.
在阳光学校组织好孩子除上课外的活动,如入厕、喝水等,注意培养孩子的好习惯。
To organize children"s out-of-classroom activities such as drinking water, going to bathroom; and cultivate children"s good habits in their daily life.
用光学显微镜和电子显微镜研究了西瓜柱头结构、ATP酶活性和分泌活动。
Stigma structure and its ATPase activity and secretion in watermelon(Citrullus lanatus)were characterized using light and transmission electron microscopes.
结果表明,渤海西岸大气气溶胶受渤海海洋和人类活动共同影响,各波段光学厚度都较大;
The result shows that the optical thickness of the west of Bohai sea region is influenced by both Bohai sea and human action, and each wave band's optical thickness is big.
由于H-S法运用较简单的光学系统,无需任何活动组件,具有较高的光效率,并能很好地用于探测器阵列,因此它更普遍地用于自适应光学系统中。
The H-S method has been extensively used in the adaptive optical system for its simple optical system, without any active part, higher optical efficiency and can be used in detector array.
由于H-S法运用较简单的光学系统,无需任何活动组件,具有较高的光效率,并能很好地用于探测器阵列,因此它更普遍地用于自适应光学系统中。
The H-S method has been extensively used in the adaptive optical system for its simple optical system, without any active part, higher optical efficiency and can be used in detector array.
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