輻解作用 的英文怎麼說
中文拼音 [fújiězuòyòng]
輻解作用
英文
radiolysis-
At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known
最後,對全文進行了總結,並指出今後研究工作重點。指出:瞬時得到各方向的投影是此技術實用化關鍵;在獲得溫度分佈信息基礎上,進行必要的假設和推導,能同時得到火焰中某特定組分濃度的分佈,這必將進一步我們對燃燒本質的理解;利用方向性好,輻射強度高的激光源代替常規的黑體爐,能得到輻射干涉投影圖像,這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。The action of radiation on materials is termed radiolysis.
輻射對材料的作用稱作輻射分解。From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing
文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的,因而是一個物理的關系式,故適用於圓柱坐標中各類波動方程的定解問題.作為一個例,應用於光纖光學,導出了受導簡正模和輻射模的表達式,以及各模式的強度分佈In this study, dna strand breaks in jm109 cells caused by - rays and the protective effect of lexa protein of deinococcus radiodurans have been studied by fluorometric assay of dna unwinding., the results indicated that the rate of dna strand breaks increased with the increase of - rays dose. however, when the concentration of lexa protein from 0. 1 g / ml to 10 g / ml, it still showed no protective effect on dna strand breaks, then lexa protein of deinococcus radiodurans was n ' t radioprotector
本研究採用了dna解旋熒光法檢測由射線所致的dna鏈斷裂的損傷程度以及抗輻射菌lexa蛋白的輻射防護作用,在輻照前加入不同濃度的lexa蛋白,檢測dna鏈的斷裂,結果表明dna鏈的斷裂程度隨著射線輻照劑量的增加而增強,抗輻射菌lexa蛋白對射線所致dna鏈斷裂的修復不起作用,進一步說明抗輻射菌lexa蛋白不起輻射防護作用。In practice, as we have chosen finished engine sets, it is both difficult and impractical to apply control measures on the engine unit. given that the operation of the diesel engine normally pollutes the environment in the form of noises, it is therefore a very practical and unavoidable task to prevent the diesel engine noise inside the engine room from radiating outward
在實際工作中,由於我公司所選用的都是配置好的發動機整機,機組本身採取控制措施難度很大,而且不現實。考慮到油機運轉過程中一般主要是其噪聲污染周圍環境,因此,如何有效地控制機房內油機噪聲對外輻射是一個非常現實而且必須解決的問題。In our algorithm, we separate out the singly scattered radiation and apply the normal four - stream approximation of stamnes " s discrete - ordinate - method to the multiply scattered radiation alone
我們將單次散射輻射分離出來單獨求解,對于多次散射,單次散射作為其輻射源,用kuntstamnes的離散縱標法作四流近似計算。The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method
本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。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。The product has strong function of damp protection, absorbing and odor eliminating. it can release infrared ray that facilitates blood recycling and benefit sleep
本品填充物為純天然竹炭顆粒,具有吸濕防霉消除異味有效阻隔電磁波輻射促進人體血液循環緩解疲勞的作用。Recent studies also focus on understanding the effect of heavy metals and radionuclides on the microorganisms in the microbial community
最近的研究還關注于了解在微生物群體內重金屬和輻射對微生物的作用。Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells
本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級,分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響,為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。The base of ehtv calculation is analyzing the dynamic heat transfer to equivalent temperature difference solar factor of windows, for the shading of windows it used external shading multiplier
Ehtv簡化計算的基礎是將這些動態熱作用分解為等效溫差、標準窗太陽輻射得熱等參數,而且系統地提出外遮陽系數,簡化了建築遮陽對外窗太陽輻射得熱的計算方法。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益The polarimetric sar is a new type imaging radar to measure polarimetric characteristic of radiant signals and combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, which greatly improve its ability to discern surface features. polarimetric sar is thus playing a more and more important role in research on remote sensing and application area
極化合成孔徑雷達( polarimetricsar )是用來測量輻射信號極化特徵的新型成像雷達,具有能夠測量場景中每個分辨單元的全極化散射矩陣和產生二維高解析度圖像的兩大優點,大大提高了它對地物的識別能力,因此在遙感技術研究與應用領域中起著越來越重要的作用。Squeezing effects of the atom, one very important quantum effect in its interaction with light have also attracted much attention due to its significance in decreasing the quantum noise caused by atomic movement
原子壓縮效應是原子與輻射場相互作用中呈現的重要量子效應。研究壓縮的原子對于了解減小原子行為的量子噪聲的途徑具有重要意義,因此該領域也受到人們的廣泛關注。By investigation of radiating spectrum of matter with transient shock compression, we not only can measure the temperature of matter, but also can know the object equation of matter, and we can know the microstructure of atoms and molecules of matter and their interacting with shock compression
通過對瞬態沖擊壓縮材料輻射譜的研究,可以實現材料瞬態溫度的測量,從實驗上確定材料的物態方程,有助於我們了解沖擊波作用下,材料的原子、分子微觀結構及其變化過程。This paper sums up the definition, characters and types of demonstration farmers, analyzes farmers " behavior and elements which influence farmers. discusses the role of demonstration farmers, current problems and countermeasures, and indicates that demonstration fanners have great influence on agricultural extension. this paper also talkes about the relationship between demonstration farmers and demonstration farms, sums up demonstration farmers " operating system and its mechanism. the conclusion is demonstration farm is a form of agricultural technology extension welcomed and easily accepted by farmers
本文首先對示範戶的內涵、特徵和類型進行了理論概括和總結,運用調查案例的研究方法,對農民行為、示範戶形成的自身因素和外部因素進行分析,論證了示範戶的示範輻射是農業技術推廣的有效形式,說明示範戶在農業技術推廣中的作用,分析目前示範戶這種農業技術推廣形式存在的問題,並提出解決對策。Affiliated to qingdao agriculture university, qaqs tightly aimed to the economical and social developmental characteristics in qingdao and shandong province, fully take advantage of the leading effect of qingdao on shandong peninsula city groups, stressing on cooperation of muti - disciplines, use the methodology of modern agriculture and biotechnology, bionical engineering, and advanced analytical technology, to study and solve the problems related to agricultural quality and safety, and modern agriculture, life sciences, environmental science, and analytical science
實驗室依託青島農業大學,緊緊圍繞青島及山東省經濟特色和社會發展特點,充分發揮青島對山東省半島城市群建設的輻射帶動作用,強調多學科結合及交叉,以現代農業和生物技術、仿生工程技術、先進的檢測技術為手段,研究解決農業質量與安全和現代農業、生命科學、環境科學及分析科學相關的問題。分享友人