结论252锎中子射线治疗宫颈癌的机制不仅在于诱导细胞凋亡，而且抑制了肿瘤细胞增殖活性。
Conclusion the mechanism of 252 Cf neutron brachytherapy are not only to induce apoptosis but also to inhibit proliferation of tumor cell.
产生的新组成包括两个新原子核(副产物)、一些光子(伽马射线)以及更多的自由中子，它们是参与核裂变反应并产生能量的关键。
Those new pieces include two new nuclei (byproducts), some photons (gamma rays), but also some more free neutrons, which is the key that makes nuclear fission a good candidate to generate energy.
但有时宇宙射线会撞击氮原子，赋予它一个额外的中子。
But sometimes a cosmic ray will collide with a nitrogen atom, giving it an extra neutron.
另一台设备，探测中子与不同化学分子碰撞后产生的不同伽马射线。
The other device can detect the distinctive gamma rays produced by collisions of neutrons with the atoms of different chemical elements.
这幅图像中还包含了几个神秘的X-射线片断，它们中的一些可能是因为巨大的磁场结构和强电子流相互作用而产生了快速旋转的中子星。
The image also contains several mysteriousX-ray filaments, some of which may be huge magnetic structuresinteracting with streams of energetic electrons produced by rapidlyspinning neutron stars.
不合这两点之间的线，相一致，如果中子星旋转，你会看到x射线脉动，当热点在这里。
And if the axis of rotation doesn't coincide with the line through the two hot spots, if the neutron star rotates, you're going to see X-ray pulsations.
中子星的质量,当看到x射线的脉动,你经常会发现，它非常接近于,太阳质量的1。4倍4,但是在小部分情况在中。
And whenever you make a measurement of the mass when it is a neutron star when you see the x-ray pulsations, you almost always find 4 that it is very close to 1.4 times the mass of the sun.
是强有力的x射线源，中子星绕中心旋转。
当伴星物质陷落到中子星上时，它就发射出X射线。
低质量X射线双星(LMXB)是一颗相对正常的恒星和邻近的正在对其进行蚕食的恒星“遗体”构成的天体系统，“遗体”是中子星或黑洞。
A low mass X-ray binary (LMXB) is a celestial system in which a relatively normal star is being eaten alive by a nearby stellar corpse, either a neutron star or a black hole.
使用气体放电法观测到了中子和X射线。
利用中子轰击地层，测量由此产生的非弹性和俘获伽马射线谱。
The tool bombards the formations with neutrons and measures both the inelastic and capture gamma ray spectra that results.
中子星上存在强大的重力场，足以产生X射线。
A neutron star has a gravitational field strong enough to generate X-rays.
原子吸收中子的过程。原子受到激发，释放俘获伽马射线。测井中用到这种效应。
The absorption of a neutron into an atom. The atom becomes energized and releases gamma rays of capture. The effect is used in well logging.
中子散射可以说是对X射线衍射和电子衍射的一个重要的和不可缺少的补充。
We can say that neutron scattering is an important and necessary complement for X-ray diffraction and electronic diffraction.
和X射线方法相比，中子散射法对生物材料的损伤较小。
Moreover, compared with the X-ray method, neutron scattering causes less damage to biological samples.
本发明公开了一种光中子-X射线违禁品检测方法和系统。
The invention discloses a detection method and a system used for detecting contraband by photoneutron-X ray.
中子星上存在强大的重力场，足以产生x射线。
A neutron star has a gravitational field strong enough to generate X -rays.
国内外在测试应力方面主要采用偏光仪、X射线应力测试仪、中子衍射应力仪、超声波应力测定仪等现代测试手段。
Now the typical means to measure residual stress are polariscope, X-ray diffraction, neutron diffraction, ultrasonic and so on.
记录元素浓度的测井方法，利用中子轰击原子核，使其激活后释放出伽马射线，根据伽马射线的特征能量级可获得元素浓度。
A log of elemental concentrations derived from the characteristic energy levels of gamma rays emitted by a nucleus that has been activated by neutron bombardment.
数据来源于NASA的钱德拉X射线轨道天文台，该天文台在2000年至2009年偶然观测了Cassipeiaa (Cas a)这颗距离地球11000光年的中子星。
The data come from NASA's orbiting Chandra X-ray Observatory, which between 2000 and 2009 took occasional observations of Cassiopeia a (cas a), a neutron star 11,000 light-years from Earth.
在2004年，天文学家发现了在距离地球50000光年远的人马座上的一颗中子星产生出的壮丽伽马射线爆炸景象。
In 2004, astronomers spotted a spectacular gamma-ray explosion bursting off a neutron star in the Sagittarius constellation, 50,000 light years from Earth.
射线双星就这样形成了，于是这颗中子星就向成为毫秒脉冲星迈出了关键的第二步。
An X-ray binary system has been formed, and the neutron star has made the crucial second step toward becoming a millisecond pulsar.
射线双星就这样形成了，于是这颗中子星就向成为毫秒脉冲星迈出了关键的第二步。
An X-ray binary system has been formed, and the neutron star has made the crucial second step toward becoming a millisecond pulsar.
应用推荐