原子云 的英文怎麼說
中文拼音 [yuánziyún]
原子云
英文
atomic cloud-
We recounted in detail how dense, cool molecular clouds condense into protostars.
我們十分詳細地討論了濃密的冷分子云如何凝聚成原恆星。Electrons in atoms are visualized as diffuse clouds surrounding the nucleus.
原子中的電子可以想像為彌漫在原子核周圍的電子云。The atomic cloud was still drifting across the skies of the planet。
原子云層還在地球的天空上漂浮著。Atomic physics ( or atom physics ) is physics of the electron hull of atoms
原子物理學是原子中電子云的物理學。Within 100 microns of the chip surface, the field forms the magnetic trap that suspends the atom cloud in free space
在晶片表面100微米以內,磁場構成了磁阱,可以將原子云托在半空中。If the lasers and the chip are oriented in the right way, the reflected beams can replace the blocked ones, and the mot works again, producing a cloud of cold atoms right above the chip surface
如果雷射和晶片擺的方位正確,反射光束就可以取代被遮掉的光束,使得mot依舊行得通,而可以在晶片表面正上方製造出冷原子云。This bond is a weak electrostatic force of attraction between the pro ton of a hydrogen atom and the electron cloud of a neighboring electro - negative atom
氫鍵是氫原子核及其相鄰的負電荷原子的電子云之間的一種微弱的靜電吸引力。" we originally thought we would see a uniform cloud of particles. instead we find that the particles are clumped together with empty spaces in between.
我們原以為會看到整齊劃一的粒子云。結果發現粒子聚成一團,中間帶點空隙。This is considerably less than the height attained by the radioactive cloud in an air burst.
這比在空中爆炸中原子云所能達到的高度要低得多。Because the atoms are so close to the wires, less than one watt of electric power is enough to operate this magnetic trap ? it could easily be run off the battery of a laptop computer
由於原子云離導線相當近,產生這個磁阱所需要的電能不到一瓦特? ?一般筆記型電腦的電池便足以供應。Thus, in the 50 or so research labs that are now able to produce becs, the tiny cloud of ultracold atoms is usually surrounded by several tons of high - tech equipment
因此,在有能力做出bec的大約50間研究實驗室里,微小的超冷原子云周圍通常都環繞著好幾噸的高科技設備。Atoms are made from a nucleus of protons and neutrons and a cloud of electrons
原子是由質子和中子組成的原子核與圍繞原子核的電子云構成的。To give readers an example : the electron cloud of a hydrogen atom on earth is essentially distributed spherically around the hydrogen nucleus. but interesting things occur when we place a hydrogen atom in a strong magnetic field of 8 x 10
舉例說,在地球上,氫原子的電子云呈球狀分佈在氫的核心內但當你把一顆氫原子放在8x10Ultrahigh - vacuum components, meticulously cleaned according to “ voodoo ” recipes, produce the world ' s best vacua and protect the atoms from the violent collisions that occur in room - temperature gases such as the air around us
他們小心翼翼地以獨門秘方清潔超高真空中的元件,製造出世界上最佳的真空,使原子云不會受室溫氣體(例如我們身邊的空氣)的猛烈撞擊。How can a microchip hold and control a cloud of atoms suspended near its surface
微晶片如何將原子云留在其表面附近並且加以控制?In particular, we can now trap, move and manipulate the atoms with the help of microchips
例如,我們可以使用微晶片來捕捉、移動以及操控原子云。When this happens, most of the atom cloud finds itself trapped in the chip ' s magnetic field
這麼做之後,大多數的原子云就會被捕捉到晶片的磁場里。An essential element of a mot is an array of six laser beams that bathe the atoms on all sides and from above and below
Mot的主要部份是六道雷射光束所形成的陣列,從上下四方照射在原子云上。Furthermore, the stronger the trap ( the more tightly the atoms are squeezed into a small volume ), the faster and more efficient the cooling
此外,阱越深(越能讓原子云擠在一個小空間里) ,冷卻起來就越快越有效。The problem with a poor vacuum is that the stray remaining particles steadily deplete the cloud of trapped atoms by colliding with them, thereby knocking them out of the magnetic trap
真空度不佳所造成的問題是:殘留的粒子會不斷撞擊阱里的原子云,原子被撞出磁阱后,原子云便會減少。分享友人