useful radiation 中文意思是什麼

useful radiation 解釋
有用輻射
  • useful : adj. 1. 有用的，有益的，有效的，有幫助的。2. 〈俚語〉值得稱贊的，精通…的 （at）。adv. -ly ,-ness n.
  • 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。
  1. This paper introduces the radiographic examination procedure of the primary pump of 900mw nuclear power unit, including the requirement about the radiographic examination equipment such as the radiation sources, films, penetrameter, etc. ; the radiographic process when using the rectilinear accelerator, and the development & examination of radiographic files, defects examination and acceptance criteria, with the expectation that this introduction be useful for reference to the promotion of 1000mw nuclear power primary pump localization in china

    摘要介紹了嶺澳核電站主泵泵體製造過程中的射線探傷工藝過程，包括對膠片、象質計及底片的要求、直線加速器透照工藝、底片沖洗及黑度要求以及缺陷評定和驗收標準，以期對我國今後百萬千瓦級主泵泵體的國產化有所裨益。
  2. He suggested that this analogy might be useful in assessing the impact of microscopic physics on the origin of hawking radiation

    他提出，在評估微觀物理對霍金輻射起源上的影響時，這種類比也許會很有用。
  3. Our results explain the mechanisms of the composition and doping dependent thz radiation efficiency for the different crystals. experimental results in this thesis are useful for growing eo crystals with high performance, and suggest that more parameters are required for better characterization of this kind of crystals as thz wave emitters. the main results and conclusions are listed as follows : 1 ) experimental measurements with low cd composition zn1 - xcdxte < 110 > crystals ( 0 < x < 0. 25 ) as thz emitters indicate the optimum composition of x = 0. 05

    在國際上，我們首次用實驗研究了不同組分、不同摻雜的zn _ （ 1 - x ） cd _ xte < 110 >單晶（ x = 0 0 . 25 ）對thz輻射的吸收情況和它們產生thz輻射的相位匹配情況，並首次從晶體對thz輻射的吸收和晶體的相位匹配角度解釋了這些晶體產生thz輻射效率不同的原因。
  4. There are several different types of radiation. a useful way of classifying the different types of radiation is into

    輻射的種類有許多，大致可分為致電離與非致電離輻射電磁與微粒輻射。
  5. The results indicate that afm has become a useful tool for the analysis of the structural and functional change of dna induced by radiation

    結果表明， afm顯微技術，是在分子水平上研究輻射所致dna結構和功能變化的有力工具。
  6. High frequency system in high power resources of millimeter - wave radiation, such as resonator system, it ' s capability performs a vital role in whole high power microwave system. computer simulation is necessary in design process. basing on academic analyzing, simulation of resonator system with computer assistant tools will be very useful to optimize the apparatus designing

    高功率微波源中的高頻系統，如諧振腔系統等，其設計性能對整個高功率微波系統起著至關重要的作用，設計過程中的計算機模擬亦是必不可少的。
  7. This paper contains a useful smmary of log normal distribution, weibull distribution and the k - distribution. the weibull distribution may well extend to phenomena other than radar including radiation scattered from turbulent or rough surface

    對雷達波來說，海面是極其復雜的反射體，關鍵是找出一些合適的參數，以便建立一個描述海浪一回波依從關系的數學模型。
  8. With reference to calculation methods of solar radiation within domestic and abroad literature and with the help of our country ' s dem ( with its resolution is 1 km x 1 km ), we build a new model for potential solar radiation calculation combining with pci geomatica ' s platform. in the calculation, hypothesis is that insofar one clear day in more than one year as the biggest value of solar radiation of one day in many years is defined as potential value of daily global solar radiation, we also consider the infection of the slope, aspect and its geometry relations affect on solar radiation. we calculate potential solar radiation which maybe useful for research the distribution of solar energy and build large - scale grid database of our country ' s solar radiation

    本研究試圖在借鑒國內外已有的太陽輻射計算方法的基礎上，利用全國的1 ： 100萬數字高程模型數據（ grid大小1km 1km ）為數據源，以pcigeomatica為計算平臺，以全國多年的太陽輻射日觀測數據進行模式驗證，在晴天無雲的理想條件下，根據太陽光線與實際地形間的幾何關系，研究坡度、坡向等地形因子對太陽輻射的影響，探討太陽輻射在復雜地表上的分配規律，力求尋找潛在太陽總輻射合理的計算方法，為研究太陽輻射時空分佈特徵和建立全國尺度的太陽輻射柵格氣象數據庫奠定基礎，為大尺度上的生態學過程研究提供基礎信息。
  9. There are also several units used to quantify radiation, but the most useful for health effects is the dose equivalent, which takes into account the differing abilities of the types of radiation to interact with biological systems

    輻射的量化單位有數種，其中以吸收劑量最能有效地反映對人體健康產生的影響。吸收劑量計算不同類型的輻射與生物系統互相產生影響的能力，而微粒輻射對生物系統的影響一般較電磁輻射大。
  10. On the other hand, cardiff and his colleagues at nasa s langley research centre also try to turn the slag, a low - oxygen, highly metallic, and often glassy material, which is left after the experiment, into useful products like radiation shielding or pavement

    此外，卡迪夫和太空總署蘭利研究中心的同僚也嘗試將實驗餘下的低氧高金屬含量，狀似玻璃的殘留礦物礦渣，轉化成為一些有用的產品如輻射防護罩和鋪設行人道的物料。
  11. Tunable external cavity semiconductor lasers ( ecld ) are useful for generating frequency tunable laser radiation of narrow spectral width, and providing important system for studying interactions between light and matters the dynamic and static characteristics of the bistable output of an ecld have been studied in this work under the condition of strong feedback

    外腔半導體激光器（ ecld ）可以產生可調諧的窄線寬激光輸出，它也為研究光與物質的相互作用提供了一個重要的場所。本文研究了強反饋條件下外腔半導體激光器調諧輸出的雙穩動靜態特性。
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