絕原子 的英文怎麼說
中文拼音 [juéyuánzi]
絕原子
英文
cesium atom-
To cool atoms to near absolute zero, physicists rely on systems of lasers and magnetic fields to trap atoms
為了將原子冷卻至接近絕對零度,物理學家倚靠的是雷射及磁場組成的系統來局限原子。The atoms of an insulator hold their electrons very tight.
絕緣體的原子把電子抓得很牢。Even in an insulator the electrons can move about without leaving their parent atoms or molecules.
甚至在絕緣體內,電子也能不離開它所屬的原子或分子而運動。The results are as follows : as the sputtering pressure increases, the atomic ratio of o to ti increase in the films, which is attributed to the fact that the absolute oxygen content increases, as the pressure increases despite the ratio of 62 to ar remains unchangless
結果發現:在氧氣、氬氣分壓比不變的條件下,薄膜表面o和ti原子比增大,這可能是由於濺射氣壓增大,而氧氣與氬氣比未變,真空室中氧氣的絕對含量增加,參加反應的氧原子數增加的緣故造成的。Kapton is used extensively on spacecraft primarily as flexible substrates for lightweight, high - power solar arrays because of its inherent strength, temperature stability, excellent insulation properties, ultraviolet ( uv ) stability and infrared ( ir ) transparency. however, polymeric material undergoes severe degration after being exposured on atomic oxygen ( ao ) in low earth oribit ( leo )
聚合物kapton由於具有較高的比強度,優越的熱穩定性、絕緣性、紫外線輻射穩定性及紅外線穿透功能,是航天飛行器常用的材料,但由於空間環境中的原子氧對這種材料造成極大的損害,大大限制了這種材料在空間環境下服役時間。Synthetic insulator arc - over reason diagnosis in baotou power supply bureau
包頭供電局合成絕緣子閃絡原因調查分析Then there was a black - eyed restaurant waiter who was a theosophist, a union baker who was an agnostic, an old man who baffled all of them with the strange philosophy that what is is right, and another old man who discoursed interminably about the cosmos and the father - atom and the mother - atom
還有個黑眼珠的旅館服務員,是個通神論者,有個麵包師聯合會會員是個不可知論者。一個老先生大談其「存在便是正確」的奇怪哲學,談得大家目瞪口呆。另一個老先生則滔滔不絕地講著宇宙和父原子與母原子。On the base of the theory of the adaptive noise cancellation and the adaptive line enhancement, we have made an improved adaptive noise cancellation in use of the measuring of hv insulator ' s leakage current
結合普通自適應噪聲對消和自適應譜線增強原理,提出了一種改進型自適應噪聲對消器,用於高壓絕緣子泄漏電流檢測。Test methods for analysis of lead in pvc taken from insulation and sheath of electric and optical fibre cables - method a : total lead content determination with flame excitation atomic absorption spectrometry - method b : qualitative analysis of lead by lead sulphide staining
聚氯乙烯絕緣和護套光電纖維電纜鉛分析的試驗方法.方法a :用火焰激發原子吸收光譜測定法測定法含鉛總量測定.方法b :硫化鉛斑漬中鉛的定性分析Ntu " khpi " is the only higher education institution that trains specialists for such important branches of machine - building as turbine construction for atomic, thermoelectric, hydraulic power engineering, heavy electric machine - building, tractor - building, computer control systems for internal combustion engines, boiler - and reactor manufacturing, fat technologies and fat substitutes technologies, tank - building, electrical insulation, cable and condenser engineering
哈爾科夫工業大學是唯一一所培養下列重要部門的機器製造業專業人材:原子能、火電和水電渦輪機製造,重型電機製造,拖拉機製造,內燃機、鍋爐和反應堆的計算機控制系統,油技術和油替代技術,坦克製造,電氣絕緣,電纜和電容器製造。The experimental results show that the surface charging is related with the pre - flashover events, the pre - flashover events can bring the change of surface charge distribution. these may be attributed to the micro - discharge caused by the traps in insulator. the charge carriers can be captured by traps, a space electric field will be set up by the trap centers, and the combined electric field may exceed the breakdown electric field of local area, then the micro - discharge will be initiated
分析表明,反向預閃絡現象與材料的陷阱分佈有關,試樣中電極附近的陷阱中心俘獲載流子后所形成的空間電場的作用是產生這一現象的原因;預閃絡現象和表面帶電現象都是由於絕緣子表面陷阱中心俘獲載流子形成空間電場造成局部場強過強引發的局部放電形成的。In the forth chapter, the sl threshold pressures for bubbles with different noble gases were measured experimentally. results show that the threshold pressure increases with the decrement of molecular mass for gases inside the bubbles
氣泡內的惰性氣體不同使氣泡內的絕熱系數和熱擴散系數不同,惰性氣體的原子質量越大,氣體的絕熱系數就越大而擴散系數就越小。The problem of insulator pollution flashover in power lines is increasingly serious, because of increasing times and extending areas of flashover
線路絕緣子污閃問題日益突出,表現為污閃次數的增加、面積的擴大,與雷害並列為造成停電事故的主要原因。Surface flashover across the insulators in vacuum is the major limitation of the performance of the high power system, such as high power microwave tube, pulse power switch, high - energy linear accelerator, etc. flashover studies are of considerable importance in many applications. alumina ceramics are used widely in vacuum insulation system. the flashover and charging performance have been systematically investigated on alumina ceramics in vacuum under pulse voltage ( 0. 7 / 4 ^ 8 )
真空中絕緣子沿面閃絡現象是制約高功率微波管、脈沖功率開關、高能粒子加速器等系統性能的主要原因,這是因為真空中絕緣子在一個比自身及相同真空間隙擊穿電場低得多的電場下就發生了表面閃絡的緣故,研究真空中絕緣子沿面閃絡現象及其形成機理對于改善和提高系統性能有重要意義。In addition, the blue - detuned fhb can also be used cool and trap neutral atoms, even to study the adiabatic compression ( heating ) and expansion ( cooling ) of atoms in the fhb
此外,這一藍失諧的聚焦中空光束還可以用於中性原子的激光冷卻與囚禁,甚至用於研究冷原子在聚焦中空光束中的絕熱壓縮(加熱)和絕熱膨脹(冷卻)過程。Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform
實驗採用絕對定標后的光學多道分析系統( oma )測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線( = 656 . 28 , 486 . 13 , 434 . 05nm )的強度,並採用plte的理論和abel變換方法,計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況,並進行了簡要分析。By using the classical monte - carlo method, the splitting process of the guided atomic beam in the beam splitter is simulated, and the transverse adiabatic cooling and heating effects of the atomic beam in the beam splitter are simulated and analyzed from a simple theoretical model
同時,採用經典的monte - carlo方法,模擬了該原子分束器中被導引原子束的分束過程,研究了導引過程中原子束的橫向絕熱冷卻和加熱效應,並採用簡單的理論模型解釋了上述monte - carlo結果,得到了一些重要並且十分有趣的結果。A relaxation surface effect is simulated on the basis of a molecular dynamics using the eam ( embedded atom method ) potential by applying a periodic boundary condition for copper. surface atom ' s potential, stress and position changes are presented
運用分子動力學方法對納米單晶銅在接近絕對零度下的表面效應進行了分析,給出了表面原子位置變化、能量大小、應力的大小。In the most advanced 2 - d chips, this layer of silicon dioxide insulation measures just three nanometers ? about two dozen atoms ? in thickness
在最先進的二維晶片中,二氧化矽絕緣層僅3奈米厚,大約是24顆原子的寬度。Xrd reveals a mixture structure of the face - centered cubic and hexagonal close - packed phases. the sn doped makes the electrical conductivity change from insulator to n - type semiconductor
用共蒸發法制備摻錫的c60薄膜,發現摻入的sn原子的薄膜導電性由原來的絕緣體變為n型半導體。分享友人