等離子物理學 的英文怎麼說
中文拼音 [děnglíziwùlǐxué]
等離子物理學
英文
plasma physics- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 離子 : [物理學] ion
- 物理學 : physics
- 物理 : 1. (事物的內在規律) innate laws of things2. (物理學) physics
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It is this long-ranged coulomb force that gives the plasma a large repertoire of possible motions and enriches the field of study known as plasma physics.
正是這個長程庫侖力給出了等離子體種類繁多的可能運動,並且豐富了稱作等離子體物理學的研究領域。Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced
混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。W. hai, y. duan, l. pan. an analytical study for controlling unstable periodic motion in magneto - elastic chaos [ j ]. phys. lett., 1997, a234 : 198
海文華,段宜武,朱熙文等.控制離子云混沌運動中的不穩定性[ j ] .物理學報, 1997 , 46 : 2117Theoretical researches on solar activity, solar flare and cme were involved in many fields of foundational physics such as plasma astrophysics, magnetohydrodynamics ( mhd ) and so on. the forecast of solar activity, a main branch of space weather, was becoming more and more significant for preventing space disaster and for many aspects of space science
探索太陽活動的規律、太陽耀斑及其伴隨cme的先兆、觸發過程及能量傳播機制等等,從理論上推動了等離子體天體物理、磁流體力學等諸多基礎理論的發展,有著重要的理論意義;而對太陽活動的預報,是國際前沿科學?空間天氣學的重要組成部分,對避免空間災害、為航空航天科學提供服務等方面,具有重大的實際應用價值。The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done
自1989年在摻雜鈣鈦礦型錳氧化物ra _ ( 1 - x ) m _ xmno _ 3 (其中m為金屬離子, ra為三價稀土離子)中發現龐磁電阻( cmr )以來由於其在磁記錄、磁傳感器等方面潛在的應用前景,以及金屬?絕緣體相變等所涉及的強關聯效應,使該類化合物吸引了物理學界的廣泛注意。The use of the state - of - the - art laser facility makes it possible to create conditions of the same or similar to those in the astrophysical processes. the introduction of the astrophysics - relevant ideas in laser - plasma experiments is propitio us to the understanding of the astrophysical phenomena. however, the great difference between the laser - produced plasmas and the astrophysical processes makes it awkward to model the latter by laser - plasma experiments. this paper addresses the physical backgrounds for modeling the astrophysical plasmas by laser plasmas, connecting these two kinds of plasmas by scaling laws. thus, allowing the creation of experimental test beds where observations and models can be quantitatively compared with laser - plasma data. special attentions are paid on the possibilities of using home - made laser facilities to model astrophysical phenomena
採用當前最先進的激光裝置與物質相互作用,可以獲得與天體物理過程中相同或相似的條件,並進而開展利用激光等離子體模擬天體物理現象的實驗.然而,激光等離子體為微米空間尺度、納秒存活時間,而天體物理對象則為宇宙學的極大的時間與空間尺度,對在物理上和實際操作上將這兩種表面上存在巨大差異的物理過程對應起來從而利用激光等離子體研究天體物理過程的可能性進行了討論,特別是對利用國內的激光裝置開展模擬實驗的可行性進行了討論Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons, and evolution of electromagnetic fields, particle - in - cell ( pic ) code is chosen as study tool, and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d, which is suitable for simulating the operation of the pegs, has been established
考慮到peos物理現象涉及到等離子體和陰極發射電子的動力學行為以及空間電磁場的復雜變化,我們採用粒子模擬方法作為研究工具,研製了適用於peos物理問題模擬研究的二維柱坐標全電磁粒子模擬程序cylinder2 - 1 2d 。Now the method has application at large. because the laser - produced plasmas are rapidly varying, temporal resolution of spectral features is important to investigation of x - ray radiancy evolvement with time, many dynamic plasma processes and radiation transport. soft x - ray time - resolved diagnosis technology have had quiet great progress since from sixty " s end to seventy " s early
由於激光等離子體變化快,且其x射線輻射的時間特性包含有豐富的物理信息,因此時間分辨的x射線輻射特性診斷是研究激光等離子x射線輻射隨時間的演變,各種動力學過程和輻射輸運等物理問題所必需的關鍵診斷技術。The results indicated that argon plasma treatment had some effects on the mechanical properties of pylen nonwoven fabric, but had no effect on the application of pylen nonwoven fabric
結果表明,通過氬氣等離子體表面活化處理,雖然會對無紡丙綸非織造物的力學性能造成影響,但是不會影響丙綸非織造物的使用。This seems to be one of the few instances in plasma physics where nature works in our favor.
看來這是等離子體物理學中幾個自然行為偏袒我們的例子中的一個。High power ultra short pulse have many special advantages and important applications in icf researches, plasma physics, nonlinear optics and many other realms
短波長強激光在慣性約束核聚變、等離子體物理、非線性光學以及其它特殊領域中有著獨特的優勢和重要的應用。The surface of pylen nonwoven fabric was treated by argon plasma treatment, and the effects of the plasma power, plasma treating time and pressure on the mechanical properties of pylen nonwoven fabric were studied
摘要研究了應用氬氣等離子體表面改性技術對丙綸非織造織物進行處理的技術,探討了處理時放電功率、放電時間、反應壓力等對丙綸非織造織物的力學性能的影響。It provides exhaustive coverage of all the core areas of physics, and comprehensively examines many applied and cross - disciplinary areas including plasma physics, energy technology, biophysics, and acoustics
涵蓋了物理學所有核心領域,詳盡地解釋了許多物理學應用領域,以及包括等離子物理學、能源技術、生物物理學和聲學在內的交叉學科。The fds ( fusion design study ) team of asipp ( institute of plasma physics, chinese academy of sciences ) was formed to study possible paths for the application of fusion energy, currently working for finding the feasibility application roads of fusion energy with the study of concept design, simulation, development of related key techniques and specifying out the main issues and improving suggestions
中國科學院等離子體物理研究所fds ( fusiondesignstudy )課題組為了探索先進核能系統以及核能系統更廣泛應用途徑,在五個主要評價數據庫以及iaea的fendl e - 2 . 0評價數據庫的基礎上自主開發了多群混合評價數據庫hendl1 . 0 mg ( hybridevaluatednucleardatalibrary ) 。In this paper, radiation hydrodynamics model is used to study the interaction between short pulse intense laser and plane au target, which includes laser ' s propagation and absorption in plasma, x - ray emission, plasma development and its thermodynamic state
本文用非平衡的輻射流體力學模型系統地研究了短脈沖強激光與平面金靶相互作用的物理過程,包括激光在等離子體中的傳播和吸收, x -射線的發射,等離子體的流體力學發展和熱力學狀態等。The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate
採用pld技術進行了碳氮化合物薄膜沉積,得到了含氮量為21at的cn薄膜;研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響,給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因;引入脈沖輝光放電等離子體增強pld的氣相反應,給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ,得到了含n量為56at的晶態cn薄膜;探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系,證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果;採用光學發射譜技術對cn薄膜生長過程進行了實時診斷,得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律,給出了cn薄膜沉積的主要反應前驅物,揭示了cn薄膜特性和等離子體內反應過程之間的聯系;採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性,揭示了si原子對薄膜生長過程的影響,給出了si基表面碳氮薄膜的生長模式;在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性,並可顯著提高晶態碳氮材料的生長速率。The coating nano - metal materials are prepared by physical adsorption, surface deposition, arc discharge, plasma polymerization, laser cvd and emulsion polymerization
其制備方法主要有物理吸附法、表面沉積法、電弧放電法、等離子體聚合法、激光化學氣相沉積法、乳液聚合法等。Some physical methods of herbage seed selection applied in grassland ecotogical resume were introduced, including electric field, magnetic field, physical radiation, laser, ion beam and alternative stress etc., and their application in biological effect, induced breeding and transgenic techniques
摘要介紹了草原生態恢復中選育優良牧草種子的一些物理學方法,包括電場、磁場、物理輻射、激光、離子束和交變應力等在植物的生物學效應、誘變育種和轉基因技術中的應用。" for fundamental work and discoveries in magneto - hydrodynamics with fruitful applications in different parts of plasma physics
磁流體動力學的基礎研究和發現,及其在等離子物理富有成果的應用In 1860, schrodinger first put forward the concept " schrodinger equations " in quantum mechanics and since then, the study on schrodinger equations has never stopped, for the mathematical description of many physical phenomena belongs to the field of schrodinger equations, such as nonlinear optic, plasma physics, fluid mechanics etc. as for the form of schrodinger equations, linear schrodinger equations was gradually replaced by nonlinear schrodinger equations ; as for the methods of solving schrodinger equations, the modulus estimate of energy, the principle of contraction mapping, fourier transformation and harmonic analysis are used ; as for the space of the solutions, many people have worked on the problem in bounded domain, euclidean space of dimension n, periodic bounded conditions and mixed regions and they also combined it with the generalization from low dimension to high dimension
) dinger方程,如非線性光學、等離子物理、流體力學[ 21 ]等;在方程形式上,從線性schr ( ? ) dinger方程到非線性schr ( ? ) dinger方程;在處理方法上,用能量模估計、壓縮映象原理和fourier變換調和分析等;在方程解空間上,研究有界區域、 n維歐氏空間、周期性有界區域和混合區域等,並且結合從低維向高維推廣。分享友人