英语释义

1. the antimatter counterpart of hydrogen

片语

First antihydrogen atoms in captivity束缚态反氢原子首次获得

antihydrogen atoms反氢原子

production of antihydrogen反氢原子合成

Antihydrogen trapped at long last反氢终于被捕获

antihydrogen steel抗氢钢

Cold Antihydrogen Atoms冷反氢原子

Antihydrogen Laser Physics Apparatus反氢激光物理装置

英汉例句

• By shining laser light onto hydrogen or antihydrogen and observing which wavelengths are absorbed, the energy levels of the two can be compared in detail.

  用激光照射氢原子或反氢原子，观察何种波长的光线被吸收了，可以通过这种办法来详细地比较这两种原子的能级。

• In a paper published in the British journal Nature, a team at the European Organisation for Nuclear Research (CERN) in Geneva explain a method of snaring these so-called antihydrogen atoms.

  英国杂志《自然》发布的一篇文章中，日内瓦的欧洲粒子物理研究所(CERN)解释了一种捕获这些所谓反氢原子的方法。

• We build a strong 「magnetic bottle」 around where we producethe antihydrogen and, if they「re not moving too quickly, they aretrapped, " he told BBC News.

  我们创造出一个强大的‘磁瓶’，并在其周围产生反氢原子，如果它们的移动速度不是很快，便会被捕获。

• Since then several teams have been trying to make colder antihydrogen and to hold on to it using clever configurations of electrical and magnetic fields.

  自那以后，好几支试验队伍一直在想方设法生成温度较低的反氢原子，并使用巧妙配置的电场和磁场留住它。

• It is the goal of these collaborations to probe the energy level structure of antihydrogen to compare it with that of hydrogen as a test of the CPT theorem.

  探测反氢的能级结构把它与氢作比较如同一项CPT定理测试那样是这些合作的目标。

• Two international collaborations (ATRAP and ATHENA) used these devices to produce thousands of slowly moving antihydrogen atoms in 2002.

  在2002年二个国际小组合作(A TRAP和A THENA)用这些装置生产数以千计慢慢移动的反氢原子。

• And you say it a big breakthrough, 38 antihydrogen atoms. Just explain for the non-scientists the significance of this capture, or be a brief capture.

  您提到捕获到38个反氢原子是一项重大突破。能不能向那些非科学界人士解释一下这次捕获，或是说这次短暂的捕获的意义。

• To test whether any antihydrogen was actually formed and captured in their trap, the ALPHA team turned off its trapping magnet.

  为测试是否真的形成了反氢原子并被容器捕获，阿尔法小组关闭了容器的磁场。

• The antihydrogen atoms are composed of a positron (an antimatter electron) orbiting an antiproton nucleus.

  反氢原子是正电子(所谓正电子就是反物质的电子)围绕着以反质子为核心，作轨道运行所形成。

• The electrically neutral antihydrogen atoms are left behind.

  而反氢原子由于呈电中性而留了下来。

• For example, any violation of the expected symmetry between hydrogen and antihydrogen would rock physics to its core.

  例如，任何违反氢和反氢之间对称的期望会动摇物理学的核心。

• To create antihydrogen and keep it from immediately annihilating, the ALPHA team cooled antiprotons and compressed them into a matchstick-size cloud.

  为了要建立反氢原子，并且要使它不至于马上湮灭，反氢激光物理装置的研究团队把反质子冷却，并把它们压缩成火柴棍大小的云斑。

• They say that in the spring, they hope to train a laser on the antihydrogen to make a preliminary measurement of the atom」s spectrum so that it can be compared to regular hydrogen.

  他们在春天说，他们希望产生一束反氢激光制造出原子光谱的初步测量器以便它能与常态的氢相比较。

• A strong magnet was critical to trapping antihydrogen atoms by using their small magnetic moments.

  采用具有微弱磁矩的强磁体是捕获反氢原子的关键。

• The Athena experimenters say they still know very little about their antihydrogen atoms.

  雅典娜实验者说他们仍然对他们的反氢原子知之甚少。

• Theteam proved that among their 10 million antiprotons and 700 million positrons, 38 stable atoms of antihydrogen were formed, lasting about two tenths of asecond each.

  研究小组证实，1000万个反质子和7亿个正电子共形成38个稳定的反氢原子，每一个的存在时间只有短短十分之二秒左右。