radiation environment 中文意思是什麼

radiation environment 解釋
輻射環境
  • radiation : n. 1. 發光,射光,放熱,放射,發射。2. 【物理學】輻射;放射物;輻射線[熱、能];照射(作用)。3. 【動、植】輻射形;【測】射出測量法;【醫學】射線療法。
  • environment : n. 1. 周圍,圍繞。2. 圍繞物;環境,四周,外界。3. 環境藝術作品;環境戲劇(cf. environmental art)。
  1. The scientists mimicked a space environment by freezing the mixture to temperatures close to absolute zero, then exposing it to harsh ultraviolet radiation

    科學家模擬太空環境,首先將混合物降溫,直到接近絕對零度后,以強烈的紫外線照射混合物。
  2. Because it ’ s hard to get radiation - harden hardware overseas, so the software fault tolerance techniques are significant for our national space enterprise. the computer platform of 863 plan project ” micro intelligent free - flying space robotic system ” consists of cots component. the orbit and the radiation environment of the robot are similar to ones of the argos satellite, and the system is required to have high reliability. therefore it ’ s necessary to applied the software fault tolerance techniques into the system to improve the anti - radiation capability after the techniques been verified valid

    因為我國很難從國外獲得輻射加固的硬體,所以,這項軟體容錯技術對我國航天事業的發展具有較大意義。 863計劃項目「小型智能飛行機器人系統」所用的計算機平臺採用商用器件,其衛星的運行軌道與argos衛星軌道近似,面臨的輻射環境與argos衛星相似,要求具有高可靠性。因此,小型智能飛行機器人系統有必要在驗證sihft技術有效的基礎上,應用軟體容錯技術,提高其空間抗輻射能力。
  3. The mechanical environment is described in the paper and then the environments in three different orbits are proposed, called leo ( low earth orbits ), meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ). the influence produced by the atomic oxygen, micrometeorites and debris, ionizing radiation and cold welding under vacuum is presented in the paper. some principles are proposed, which can be as the method to choose materials of the mechanism in space environment

    空間環境中力學環境對可動結構的影響直接關繫到機構的設計問題,所以本文第四章中嶽建如:中文摘要浙江大學博士學位論文20024首先詳細論述了空間環境中的力學環境,然後給出了空間環境的三種軌道環境劃分,及每一種環境影響因素對空間可動結構設計的影響,包括原子氧、離子射線、溫度、微隕石和碎片以及真空冷焊現象等環境因素,提出了材料選擇的原則,為可動結構材料選擇提供了一定的依據。
  4. To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area

    在對現有電磁輻射源(如移動通信基站、廣播電視發射天線等)環境電磁污染狀況進行評估時可以進行實地測試,但是對在建或擬建的輻射源則不可能進行先測試,同時為了避免實地測試的費時、費力和較大的測試費用,通過計算機來計算分析城市環境電波傳播顯得很有必要。
  5. This paper deals with the problem of shielding against electron radiation from the radiation environment of geospace

    摘要該文探討了在地球同步軌道輻照環境下對半導體器件的抗輻射屏蔽間題。
  6. This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows : ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system

    在介紹國內外最新研究進展的基礎上,重點討論高放廢物地質處置的若干關鍵科學問題:處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下(中(高)溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等)深部巖體、地下水和工程材料的行為、低濃度超鈾放射性核素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。
  7. The longest apollo mission, though, lasted no more than 12 days, and samples were kept within the apollo spacecraft and thus not exposed to the full space - radiation environment

    不過,為時最長的阿波羅任務不過12天,標本又保存在阿波羅宇宙飛船艙內,因此並非完全處于宇宙輻射的環境之下。
  8. However, when upon assessment, a radiation worker ' s estimated annual cumulative exposure is unlikely to exceed a specific proportion of the dose limit, the employer may instead monitor the operation environment or personal doses through sampling

    但經評估輻射作業對輻射工作人員一年之曝露不可能超過劑量限度之一定比例者,得以作業環境監測或個別劑量抽樣監測代之。
  9. The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest

    主要研究以下內容: ( 1 )片斷和連續常綠闊葉林的外貌、結構和物種組成特徵; ( 2 )片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性; ( 3 )片斷和連續常綠闊葉林的科( ? )屬水平的植物區系成分; ( 4 )片斷和連續常綠闊葉林生活型組成; ( 5 )在不同的水平梯度格局上(林外、林緣和林內) ,片斷和連續常綠闊葉林的小氣候要素(光照、溫度、風速、濕度等) ; ( 6 )片斷和連續常綠闊葉林的環境和土壤因子,與群落的物種多樣性之間的關系。實驗結果表明: ( 1 )各片斷森林的外貌特點基本上和連續森林一致。
  10. An analytical mosfet threshold voltage shift model due to radiation in the low - dose range has been developed for circuit simulations. experimental data in the literature shows that the model predictions are in good agreement. it is simple in functional form and hence computationally efficient. it can be used as a basic circuit simulation tool for analysing mosfet exposed to a nuclear environment up to about 1mrad. in accordance with common believe, radiation induced absolute change of threshold voltage was found to be larger in irradiated pmos devices. however, if the radiation sensitivity is defined in the way we did it, the results indicated nmos rather than pmos devices are more sensitive, especially at low doses. this is important from the standpoint of their possible application in dosimetry

    該模型物理意義明確,參數提取方便,適合於低輻照總劑量條件下的mos器件與電路的模擬。並進一步討論了mosfet的輻照敏感性。結果表明,盡管pmos較之nmos因輻照引起的閾值電壓漂移的絕對量更大,但從mosfet閾值電壓漂移量的擺幅這一角度來看,在低劑量輻照條件下nmos較之pmos顯得對輻照更為敏感。
  11. Lastly, the land disposition model was set up at dahe town, hebei province, including town development direction decision, town land scale decision, town land structure optimum. taking use of fuzzy aggregate principle, choosing ground load - bearing capacity, quality of taken up land, groundwater level, economic land use, infrastructure building cost, radiation capability, transport, life environment, town form as evaluation element, the town development direction decision model at dahe town were set up

    運用模糊集合變換原理,選擇了地基承載力、土地農業生產力、地下水位、節約用地、基礎設施建設成本、對周邊的輻射、現有基礎設施、對外交通便利程度、城鎮生活環境、城鎮形態等10個評價因子,建立了小城鎮用地空間擴展決策模型,研究表明大河鎮鎮區用地未來的空間擴展主方向應該是東面和東北面。
  12. Hygienic standard for laser radiation in the work environment

    作業場所激光輻射衛生標準
  13. The rate of single event upset ( seu ) for space - based missions has been predicted by means of ground - based particle accelerator test and simulation calculation based on models of space radiation environment and the interaction of ions with the microelectronic device

    我們採用的方法是用地面重離子加速器模擬實驗和計算機模擬空間輻射環境進行單粒子翻轉率預估計算。引發單粒子翻轉的空間高能帶電粒子環境包括銀河宇宙線,太陽宇宙線和地球輻射帶中的高能質子及重離子。
  14. When the change of radiation environment has instantaneous change, the photosynthetic rate ca n ' t reach the rate that it should be in the changed situation. that is called the photoperiodic induction. usually the time of the photoperiodic induction is from 3 minute to 8 minute

    當葉片所處光環境的光強和光質發生瞬時變化后葉片光合速率通常都要經過3 8分鐘適應才能達到變化條件下應有的光合速率值。
  15. This research has closed relationship with a wide range of cross - science areas, such as basic research on cancer therapy by heavy ion radiation method, radiation danger level evaluation in space and biological damage induced by long term, low - level dose radiation environment, etc. dna is the carrier of biological information and the main target of biological effects induced by ionizing radiations

    從重離子治癌的基礎性和先導性的研究,載人航天飛行過程中的太空輻射危險性評估,到長期在低劑量輻照環境下的放射性對機體損傷等等,都與電離輻射所致生物損傷的研究有著密切的關系。 dna (脫氧核糖核酸)是生命信息的載體,也是輻射生物效應的最主要的靶分子。
  16. Supervision monitoring for radiation environment around daya bay and ling ao nuclear power stations

    大亞灣和嶺澳核電站外圍輻射環境監督性監測
  17. Its primary missions are to locate water sources, scour the martian landscape and assess the radiation environment on the planet

    2001年10月,火星漫遊者號將到達火星,探索火星的水源勘察表面以及測量輻射水平。
  18. We have demonstrated that the integrated circuit test structures fabricated at standard commercial foundries can be radiation tolerant at total does greater than 100krad ( si ). the radiation environment of outer space is capable of effecting cmos devices in three ways

    外太空輻射環境主要以三種方式影響cmos器件:總劑量輻射效應( tid ) ,單粒子翻轉效應( seu )和單粒子閂鎖效應( sel ) 。
  19. Analysis of the influence of different radiation environment on the public health

    不同輻射環境對公眾健康影響的探討
  20. The radiation shielding and single event upset ( seu ) of semiconductor components induced by high - energy low - flux and the thermal - mechanical effects of materials resulting from the high - energy intense - current proton irradiation are extensively studied, following conclusions are achieved : the characteristics of space radiation environment and the potential radiation effects are investigated systematically

    利用本文編制的程序,著重研究了高能質子的輻射屏蔽問題、單粒子效應中的單粒子翻轉seu 、強流質子束輻照材料引起的熱?力學效應等問題,從而為以後的相關研究提供了數值模擬手段。論文的主要進展有:系統地總結分析了空間輻射環境的構成、特點及其可能產生的輻射效應。
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