查询词典 supernova

A supernova occurs when a hot, dense star burns up its fuel too quickly and suddenly implodes, generating shock waves and intense blasts of radiation across space.

超新星爆炸是由于一个炙热稠密的恒星过快燃尽了燃料，突然发生内爆，从而向太空释放出冲击波和密集的辐射。

A supernova is a violent explosion that happens to the most massive stars.

超新星是指具有超大质量的恒星所产生的猛烈的爆炸。

There is a good chance that this outward diffusion of neutrinos and antineutrinos plays a crucial role in the supernova explosion.

中微子和反中微子的这种向外的散射很可能在超新星爆发中起着关键的作用。

Ever since astronomers discovered that supernova more than 50 years ago, they have been searching for more "missing" supernovae and their remnants.

自天文学家50多年前发现它之后，他们一直在寻找更多&失踪&的超新星以及它们的残骸。

Models of element synthesis during the supernova explosions predict that the abundance ratios of actinide s with respect to other stable elements heavier than iron are very sensitive to the environment of the explosion, such as the entropy and the ratios o

模型元素的合成，在超新星爆炸预言的丰度比锕对于其他稳定更重的元素，比铁很敏感，对环境造成的爆炸，如熵和比例的质子，中子和电子。

Major advances have been made in the last a few years, including the discovery of fading X-ray, optical and radio afterglows of GRBs, the identification of host galaxies at cosmological distances, and evidence showing that many GRBs are associated with star-forming regions of the host galaxies and possibly a peculiar type of supernova.

过去几年里γ暴的研究取得了重大突破，包括发现了变暗的X射线、光学和射电余辉，探测到位于宇宙学距离的寄主星系，发现γ暴与恒星形成区成协、甚至可能与超新星关联的证据等等。

The researches include the dense medium effect on the evolution of afterglows, constraints on the physical parameters of GRBs, the origin of the energetic gamma-ray emission from GRBs, the inverse Compton spectra in the very early afterglows, and energy source mechanism of the supernova-GRB connection.

研究工作主要包括：γ暴周围环境对余辉演化的影响、γ暴的物理参数的限制、极高能γ射线的起源、极早期外激波区域的逆康普顿散射光谱与观测效应以及γ暴与超新星关联的理论解释。

The Cepheids are used to calibrate an even brighter milepost marker that can be used over greater distances, a Type Ia supernova.

造父变星也用于校准可测量极遥远距离的更亮的标准尺——Ia型超新星。

Measured at 36 light years across, this young supernova remnant has a rapidly expanding shell of hot gas at few million degrees.

这个年轻的超新星残骸横跨三十六光年，它有一个正在急速膨胀，温度高达数百万度的热气体外壳。

It will self-destruct in an explosion called a supernova with the force of 20 billion billion billion megatons of TNT.

它将在一个称为超新星爆炸中自毁，有二百亿个二＋亿个二十亿兆吨黄色TNT炸药的力量。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。