輻射等離子體 的英文怎麼說
中文拼音 [fúshèděnglízitǐ]
輻射等離子體
英文
radiating plasma- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 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...
- 體 : 體構詞成分。
- 輻射 : radiation; exposure; radio; beaming
- 離子 : [物理學] ion
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Study on inverse bremsstrahlung absorption of plasma in a conical keyhole
圓錐形小孔內等離子體的反韌致輻射吸收研究The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。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 main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast
物理設計的主要研究內容包括:分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性;分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法:分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象;討論了太陽短波輻射線譜和連續譜輻射強度的計算方法:推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理方法:論證了開展空間天氣經驗預報和發展數值預報有效的成像譜段。Within 3mm of near the al target, there were the continuum spectra and the line emissions, the former was produced by bresstrahlung and compound of electrons, the later came from the excited state of al, al + and al2 +. in order to analyze the shape of the aluminum resonant double lines, al 1396. 15nm and al i394. 40nm, relative intensities of the double lines were acquired by integrating the area under the double lines, respectively
在近靶面3mm左右的范圍內, a1等離子體的發射光譜主要是連續輻射形成的連續譜和疊加於連續譜上的分立譜,其中連續輻射主要由電子的韌致輻射和復合輻射產生, a1原子譜線比離子譜線在空間上分佈范圍更廣。Emphasis is laid on the new methods of post - functionallization in terms of plasma graft copolymerization, supercritical carbon dioxide graft copolymerization and solid state mechanical chemical graft copolymerization, and some renovations to the traditional post - functionallization in terms of solvent graft copolymerization, radiation graft copolymerization and solid phase graft copolymerization
本文重點介紹近年來后功能化的新技術如等離子體接枝、超臨界二氧化碳接枝、固相力化學接枝和縮合聚合接枝以及傳統方法比如溶液接枝法、輻射接枝法和固相接枝法的更新與改進。This effects can be explained as follows : the radiation conditions are actually impedance matching condition in terms of microwave network, for a fixed dimension of a resonator and output transformer, only below the critical plasma density ", the matching condition can be satisfied in the smith circle map
我們提出,這一現象可從阻抗匹配的角度來解釋。對於一確定尺寸的腔體、阻抗變換器,存在一個等離子體密度的臨界值,只有在等離子體密度低於這個臨界值時,腔體的輸出阻抗和波導的特性阻抗才能滿足匹配,即滿足所謂的輻射條件。For examples, observation of the gravitational lens phenomenon and the scattering phenomenon produced by microwave background radiation and hot plasmas from galaxies clusters
,例如利用引力透鏡現象及微波背景輻射與星系團的熱等離子體造成的散射現象等等。Evaluation results show that the turbulence in convection zone is capable of generating enough wave energy to supply coronal energy lose due to convection and radiation
利用理論結果的計算表明,對流層的湍動對流完全有可能激發足夠的波能去補充日冕中等離子體對流和輻射造成的能量損失。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。Based on the viewpoint of interaction between waves in plasmas, the partial differential equation that causes the spectral lines broadening has been deduced from radiation transfer equation of high - frequency electromagnetic waves in plasmas. the numerical solution has been obtained by using the fortran program we compiled. we concretely calculated the spectral lines widths of and fraunhoferx 3704 in corona, fj / a4923. 9 in dwarf nova oy car and f. / a4934 in the variable star rr lyrae
本文從等離子體波與波相互作用觀點出發,由高頻電磁波輻射轉移方程導出了引起譜線寬度變化的偏微分方程,編寫fortran程序求解偏微分方程的數值解,具體計算了日冕綠線f _ exiv 5303和夫朗禾費線3704 、矮新星oycarf _ eii 4923 . 9 、天琴rr型變星f _ ei 4934的譜線加寬值,對以上各譜線加寬中的等離子體致寬效應作了初步計算。Collisional radiative plasma model
碰撞輻射等離子體模型Dlc and a - sic : h films were prepared by the rf glow discharge and the reactive sputtering method respectively. there were two reasons that we chose y rays, ultraviolet ( uv ) photons, and neutrons as radiation sources. one is that y rays, uv photons and neutrons irradiation are serious at outer space and / or nucleus irradiation enviromentthe other is that the study on y rays irradiation on the films is a new and an important directioaotherwisejirnited reports have been made of the investigation on the uv photonsjieutrons irradiation influences on these films
本文分別採用射頻( 13 . 56mhz )等離子體cvd及射頻反應濺射方法制得了dlc及a - sic : h薄膜。文中主要選擇y射線、紫外光及中子作為輻照源有兩方面的原因:一方面,在外層空間, y射線及紫外光輻射十分嚴重,而在核輻射環境下y射線及中子輻射也不可忽視;另一方面, y射線輻照這兩種薄膜完全是一項開創性的工作,同時國內外對紫外光子、中子與這兩種薄膜作用的研究也很少。Standard test method for analysis of titanium and titanium alloys by atomic emission plasma spectrometry
用原子輻射等離子體光譜測定法分析鈦和鈦合金的標準試驗方法Bolometry of plasma
等離子體輻射熱測量That is to say, high frequency modulational field radiated from the antenna system of moving bodies influents the charge distribution in plasma, while the disturbance of the charge distribution influents the field conversely
也就是說,在壓縮區內,飛行體天線輻射出的高頻調制場,影響著等離子體中的電荷分佈,而電荷分佈的擾動又反過來影響場量。During this process electrons will not only lose energy for self - radiation, but also gain energy from induced absorption. on the basis of analyses, the radiation with low frequency by relativistic electrons will form rayleigh - jeans spectrum in optically thick medium
由等離子體中輻射譜計算公式得到,在光學厚的介質中麥克斯韋分佈的極端相對論性電子產生的同步加速輻射譜為瑞利?金斯譜。Standard test method for barium in brines, seawater, and brackish water by direct - current argon plasma atomic emission spectroscopy
用直流氬等離子體原子輻射分光光度法測定鹽水海水及微鹹水中鋇的標準試驗方法The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k
( 1 )對于光譜標鋼準樣品,當激光器工作電壓為1600v 、氬氣壓力為600乇時,譜線強度達到最大,並且在相同壓強下,氬氣中的等離子體與空氣中的等離子體相比,其輻射強度明顯增強;氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍,而等離子體溫度卻下降了近1000k ,即等離子體溫度隨環境氣壓的增大而增大;當激光束的焦斑在樣品表面上下移動時,激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性分佈,其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。Solid mineral fuels - determination of trace elements contained in coals - aas or plasma emission method
固體礦物燃料.煤中痕量元素的測定. aas或等離子體輻射法分享友人