輻照場 的英文怎麼說
中文拼音 [fúzhàochǎng]
輻照場
英文
exposure field-
This paper discribes the preliminary investigation on radiolysis behavior of methylhydrazine ( mmh ), ? - hydroxylethylhydrazine ( heh ) and acet - hydroximic acid ( aha ) in co - 60 y field
對甲基肼( mmh ) 、 -羥基乙基肼( heh )及乙羥肟酸( aha )等在co - 60輻照場中的輻解行為進行了初步的定性或定量研究。In chapter four, using the quantum statistics method we study the cohesion of a metallic nanowire irradiated under electromagnetic wave based on the results in chapter three. we obtain that the cohesion force is effected notably only when the frequency of electromagnetic field is at the vicinity of the energy span of the lateral levels of the nanowire
第四章以第三章的工作為基礎,用量子統計的方法,分析了太赫茲電磁波部分輻照對金屬納米線內聚力的影響,得到了只有當外場頻率與橫向模式共振時內聚力才有顯著變化的結論。It is found that the main electronic conduction mechanism in the high field regions of the i - v characteristics is identified to be fowlernordheim tunneling. the effect of y ray on sic mos c - v characteristics depends strongly on the bias voltage applied to the gate electrode during irrad
當氧化層中存在較強電場時,電離輻照對s匯mos電容的影響會更明顯, sicmos器件比st器件具有更好的抗y輻照的能力。The degradation of the electrical characteristics in sic pn junctions irradiated by neutron is attributed to the recombination centers and the electric field effect on the thermal emission of traps within the depletion region. the relationship of the ideality factor to the applied voltage is theoretically studied
提出了中子輻照下sicpn結電特性退化的新的理論, pn結耗盡區中的輻照陷階在耗盡區電場的作用下熱發射效應得到加強,從而導致pn結正偏和反偏時的復合電流和產生電流的改變。By following approach of haken who quantizes the light field and making use of the quantisation of the electromagnetic field, this paper quantizes the electron wave field and derives the hamilonian of interation between the radiation field and the electron wave field
摘要仿照霍金對光場進行量子化的方法和電磁場的量子化理論,本文對電子波場進行了量子化,推導出了輻射場與電子波場相互作用的哈密頓量。Secondly, the radiation effects of the system of silicon gate si / sio2 ( silicon gate nmos and pmos ) implanted bf2 are made a deep systematic study. especially, the relationship between threshold voltage shift ( vth and vit vot ) in radiated mos transistor and irradiation dose rate, irradiation dose, irradiation temperature, bias voltage, device structure as well as annealing condition is explored emphatically
在此基礎上,對bf _ 2 ~ +注入硅柵si sio _ 2系統低劑量率輻照效應進行了深入系統的研究,著重研究了bf _ 2 ~ -注入mos管閾值電壓漂移( vth和vit 、 vot )與輻照劑量率、輻照總劑量、輻照溫度、偏置電場、器件結構以及退火條件的依賴關系。A preliminary approach to relation between the optimum dose field distribution of irradiation installation and arrangement of radiation source bar
輻照裝置劑量場最佳分佈對源棒排布要求初探The agreement is also within the uncertainty when being compared with the alanine and cta film dosimeters made by jaeri. in addition, this dosimetry system is used to measure field and depth - dose distribution curves for 12mev electron beams, which shows it ' s suitability and practicability for electron beam irradiation
另外,還利用該劑量體系對12mev電子束輻照場的分佈及深度劑量分佈進行了實際測量,得到了與cta和fwt60等薄膜劑量計相一致的結果,這也進一步說明該劑量體系在電子束輻照上的適用性和實用性。Moreover a novel approach to fabricate array of three - dimensional waveguides in pr crystals employing illuminations of a pair of mutually coherent or incoherent two - beam interference fields is proposed
並提出了利用一個雙光束干涉場以不同的角度兩次輻照晶體,在光折變晶體中寫入不同通道波導陣列結構的方法。With function module design method, the system interface design is completed ; by application of network function, the data is communicated to main - computer in order to retroactively supervisor product quality and to monitor local manufacture. through inspection of response of plc, the problems of dada efficacy and malfunction alarm in icc - plc communication are solved ; with adding symbol - bit, the exact conversion of receiving and sending data is realized
通過採用功能模塊設計的方法,完成系統界面設計;運用網路功能,將現場的有用數據上傳到信息中心的主計算機,以便產品質量的追溯管理,同時通過信息中心的主計算機也可以實時掌握生產現場的情況,實現輻照小車運行的動態監視,從而實現生產的自動化管理;通過檢測plc的應答信息,解決工控機與plc之間通信的數據效驗和故障報警難點;通過採取加標志位的辦法,實現數據收發的準確轉換。We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment
從光熱輻射理論出發,推導出一維情況下ptr信號的振幅和位相表達式,討論了光熱信號的頻率特性,介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法;接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號,在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。Theoretical calculation model for dose rate distribution of 60co irradiation field and its application
鈷源輻照裝置劑量場分佈的理論計算程序及應用Using time - dependent mode matched scattering matrix method and based on the theory of the interaction between atom and electromagnetic field, we predict the effect that the longitudinal transport of electron is partly blocked by the lateral emitting electromagnetic wave and give detail analysis of the mechanism and the feature of the effect
第三章我們以光和原子相互作用理論為基礎,用含時模式匹配散射矩陣方法研究了直量子線在太赫茲電磁場部分輻照下的電子輸運性質,並得出橫向電磁輻射對電子縱向運動的阻塞效應。For the application of sic devices to radiation fields, it is important to know the irradiation effects and characteristics of sic materials and devices. the main contributions in this thesis are as following : temperature - and electric field - dependent electron transport in 6h - s1c is studied by single - particle monte carlo technique. the physical model used in the simulation is developed considering the main scattering mechanisms in details
為了能充分發揮sic抗輻照的優勢和潛力,本文首先對sic區別于常規半導體的特性作了系統的研究:用單粒子montecarlo方法研究了6h - sic的電子輸運規律,模擬的結果體現了6h - sic具有良好的高溫和高場特性以及遷移率的各項異性,其橫向遷移率和縱向遷移率相差近5倍。Measurement of dose field after supplement source in 60co irradiation chamber
輻照室增源后劑量場的劑量測定Dose field distribution and dose measurement before commissioning of 60co irradiation facilities
輻照裝置增源后劑量場分佈及劑量測定On the basis of these theories, detailed experiment investigations are carried out as follows : ( 1 ) the interference pattern of two - prism is adopted to illuminate linbo3 : fe crystals. then array of planar waveguides are fabricated in the crystals due to photorefractive effect
在此基礎上,詳細地進行了以下幾個方面的實驗探討: ( 1 )利用平行光通過雙棱鏡后所形成的干涉光場輻照linbo _ 3 : fe晶體,在晶體中寫入陣列平面光波導。The study shows that coulomb scattering becomes more important at low transverse - electric field and both the density and the distribution of charged - centers play an important role in el ectron transport in sic inversion layers. the radiation response and electric characteristics of 6h - sic mos structure is studied with experiment for the first time
在實驗上首次對6h sicmos結構的電特性及其輻照引起的電參數退化進行了研究,結果說明:在氧化層電場較高時是fowler nordheim隧穿電流決定著sicmos結構的漏電流。Safety levels with respect to human exposure to radio frequency electromagnetic fields, 3 khz to 300 ghz
人體受3khz - 300ghz射頻電磁場輻照的安全等級We theoretically study the low temperature electronic states of a quantum wire irradiated under a transversely polarized coherent external electromagnetic field
摘要從理論上研究了在橫向極化的外電磁場輻照下量子線的電子態。分享友人