離子化輻射 的英文怎麼說
中文拼音 [lízihuàfúshè]
離子化輻射
英文
ionization radiation- 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...
- 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) ...
- 離子 : [物理學] ion
- 輻射 : radiation; exposure; radio; beaming
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Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射線;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻射;大霹靂核合成。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 influences of irradiation sensitive agent on the biological effects of the wheat implanted by the heavy ions
輻射敏化劑對離子注入小麥生物學效應的影響Stationary source emissions. determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases. continuous flame ionisation detector method
穩定源輻射.煙道低濃度氣體氣化有機碳濃縮總量的測定.連續火焰離子檢測器法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。Because power management in this thesis aims at amplified spontaneous emission noise of erbium ? oped fiber amplifier ( edfa ), the thesis introduces the simplified stark ? split energy levels of er3 ", amplified working mechanisms of er3 * and working performance of edfa in details
因為本文所採用的功率管理主要是針對edfa摻餌光纖放大器所產生的自發輻射噪聲去採取均衡措施,所以論文中詳細介紹了edfa中鉺離子的stark分裂的簡化的能級模型、鉺離子的放大工作機理及edfa的工作特性。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。Guide for determining the effects of ionizing radiation on insulating materials. part 2 : procedures for irradiation and test
離子化輻射對絕緣材料影響的測定指南.第2部分:輻射和試驗程序The band was previously associated with f - type color centers and v - type color centers, as analyzed in x - ray irradiated ysz sample. however, the absorption band observed in our experiments has a shift towards the longer wavelength ( red shift ) as comparing with that in the x - ray or neutron irradiated ysz spectra. this shift may mainly due to large local distortions near the f - type centers and the v - type centers and the presence of multiple color centers
本文通過光吸收、光熒光、 tem 、 xps測試及trim96計算分別研究了不同注量xe ~ +注入ysz前後光學性能和缺陷形態變化,以及ni ~ +注入對不同摻雜單晶al _ 2o _ 3結構和光學性能的影響,得到以下結果: ( 1 ) ysz注量達到10 ~ ( 16 ) cm ~ ( - 2 )時,開始出現由f型和v型色心重疊而產生的吸收帶,與x射線、中子輻照相比,重離子輻照產生了更為復雜的缺陷復合體而導致吸收峰紅移。Stationary source emissions - determination of the mass concentration of total gaseous organic carbon at high concentrations in flue gases from solvent using processes - continuous flame ionisation detector method
固定源輻射.使用連續火焰離子化檢測器法測定在高濃縮時由溶劑產生的廢氣中總氣態有機碳的質量濃度In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr
流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關,為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射與染色體不分離關系及其機制,本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象,用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響,用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。The first biological effect of ionising radiation is the absorption of energy, leading to the removal of electrons from atoms. this occurs almost instantaneously and is followed by chemical damage to cells, which can include damage to dna
第一,電離輻射能吸收能量,令電子脫離原子,這過程差不多即時發生,令細胞因化學反應而受損,包括脫氧核糖核酸dna 。In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組,建立描述等離子點火器內部的復雜物理化學過程機制數學模型:模擬等離子發生器內部燃燒的-雙方程湍流流動模型;模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型;模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型;模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等,對模型進行一定的合理的簡化,然後數值模擬等離子點火器內部流場的流動。If the radiation is any more intense, it will overpower gravity, blow away ionized matter and destabilize the star
假如輻射的強度大於這個上限,輻射會強過星體本身的重力,而把外層的離子化物質吹走,使星體結構不穩定。Vascular endothelial cells between the blood and the surrounding vascular tissue play a central role in hemastatic balance, angiogenesis, ionizing radiation, and inflammation. recent advances in cell biology, biochemistry and molecular biology have seen the new physiological functions of endothelial cells. the studies aim at the function of vascular endothelial cells and its regulation
近年來,生物化學、細胞生物學以及分子生物學研究不斷地揭示了內皮細胞新的生理功能,本實驗對血管內皮細胞功能及其調節機制進行了一些的研究,期望揭示內皮細胞在血管新生及電離輻射損傷中的新機制。Air quality. stationnary sources emissions. determination of an index for the gaseous organic content. flame ionization method
空氣質量.固定源輻射.氣體有機化合物含量指數的測定.火焰電離子化法We consider two situations : ( i ) the light is polarized along the z - direction, in which case the first allowed dipole transition is to the first subband ( nx - 1, ny = 1 ) ; ( ii ) the light is polarized along the x - direction ( paralleled to the transverse cross - section of the wire ). the first allowed dipole transition is to the second subband nx = 2 relative to the x - direction and to the first subband nr = 1 relative to the y - direction of the wire
考慮了兩種不同惰況:輻射光沿階線的軸線偏振k方向x輻射光平行於軸截面偏振(設為二方向山偶極躍遷的選擇定則使得體系從初態躍遷到末態分別為電于的第一于帶和第二子帶,二名的光電離0截面隨光于能量的變化截然不同The main topics in this thesis are as following : presenting details of the microbeam facility, mc 2000, microscope stage, venus - 1 language, modeling on the control program based on the requirements analysis, the control structure and flow chart, the main frame for the integrated program, utilizing acti vex control to implement serial communication between the computer and mc 2000, seamless integration between vb application and matlab, probing into some factors that may influence the controlling precision and providing some methods to solve them
與此同時,對實驗過程中產生的一系列實驗數據進行必要的分析,為進一步進行離子束生物工程中的誘變方向性問題和估計低劑量電離輻射的生物體效應研究提供理論依據。作者承擔了微束裝置計算機控制系統的設計工作,完成了asipp微束裝置計算機控制系統的系統設計、主程序以及樣本架控制模塊的設計;提出並實現了提高裝置通量的相關優化策略等。Aluminium and aluminium alloys - chemical analysis - inductively coupled plasma optical emission spectral analysis
鋁和鋁合金.化學分析.感應耦合等離子體光學輻射光譜分析分享友人