<正> “美国之音”高级科学编辑及科学记者拉索罗·多萨会见一位专家时,把他的叙述当作可能会引起“美国之音”听众的一次考试。“正像大多数听众一样,我并无任何科学经历”,他说。“所以我提出使我感兴趣的问题,并期望也能引起听众的兴趣。”多萨于1929年生于匈牙利的塞格德,并于1955年前来到“美国之音”任职。起初,他在“美国之音”的匈牙利部任节目制作人、撰稿人、播音员及采编,前后达十年之久。那些年,他也开始用英语写播音稿,并希望突破用一种语言播音的限制。
In this paper, we study the Hawking radiation via tunnelling from a uniformly accelerating black hole. Although the Bekenstein-Hawking entropy is proportional a
Incorporating distributed recurrent networks with high-order connections between neurons, the identification and synchronization problem of an unknown chaotic s
In this paper, a new observation equation of non-Gaussian frequency selective fading Bell Labs layered space time (BLAST) architecture system is proposed, which
选取了衡量房地产业发展的11个指标,建立了四个房地产业与其他产业和行业的灰色关联模型,通过计算房地产业与国民经济各产业及行业的灰色关联系数并进行排序,得出了房地产业
自从中国申奥成功以来,奥运会吉祥物就备受人们关注.他们会是什么样子的呢?在人们的千呼万唤下,五个俏皮可爱的小福娃宝宝诞生了!你看,今天她们结伴到我们教室做客来了,现在,
We have proposed a novel noncontact ultrasonic motor based on non-symmetrical electrode driving. The configuration of this electrode and the fabrication process
The basic physical characteristics of electrons accelerated by two linearly polarized and circularly symmetric crossed Laguerre-Gaussian (LG) laser beams with e
Based on the polynomial interpolation, a new finite difference (FD) method in solving the full-vectorial guidedmodes for step-index optical waveguides is propos
The chaos in the KdV Burgers equation describing a ferroelectric system has been successfully controlled by using a continuous feedback control. This system has