輻射改性 的英文怎麼說

中文拼音 [fúshègǎixìng]
輻射改性 英文
radiation modification
  • 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） ...
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 輻射 : radiation; exposure; radio; beaming
  1. He baoyu ( aerocraft design ) directed by wu ji synthetic aperture technology in radio astronomy is introduced into microwave radiometer since 1980 ' s

    八十年代以來，為改善微波輻射計性能，人們將射電天文觀測中的孔徑綜合技術引入到微波輻射計設計中，開始了綜合孔徑輻射計的研究。
  2. Thorium tungsten electrode is the most commonly used tungsten in america and some other countries and is a good general use tungsten. especially, it performs well when overloaded with extra amperage

    釷鎢電極使用很普遍，釷元素雖具有低輻射性，但它相對純鎢來說，已經體現出重要的改進性能。
  3. Abstract : this paper describes the classical mathematic model of bolometer, the effect of thermal isolation and noise on detector performance are also discussed

    文摘:總結了非製冷測輻射熱計的經典數學模型，並分析了探測器熱絕緣結構和噪聲對性能的影響，指出了性能改進和優化的基本途徑。
  4. 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。
  5. Bez developing rapidly will grow into the production and export base of beijing high new technology products, the radiant source of diffusing high new technologies to traditional industries and enterprises outside bez, the collection and distribution base of high new technology products which will exert it influence in the world, the window of the reforming and opening to the outside world of china, and the testing field of restructuring market economy systems

    該基地是一個以電子信息產業為主導，集科研開發生產經營培訓和服務為一體的綜合性基地。迅速發展的北京市新技術開發試驗區，將成為北京市高新技術產品生產和出口創匯的基地向傳統產業和區外產業擴散的輻射中心在國際上具有影響的高新技術產品集散地中國改革開放的窗口市場經濟體制改革的試驗田。
  6. The result shows that the pbg structure has obvious character of forbidden band at the suitable size, and can be designed to good performance microwave filter. the pbg structure have the character of high resistance, that can reinforce the forward radiation, and reduce the backward radiation, increase the directivity, improve the gain and ameliorate the performance of the antenna. in addition, the pbg structure can also greatly increase the isolation and significantly decrease the coupling between the antenna elements

    研究結果表面，取合適的尺寸時， pbg結構具有明顯的禁帶特性，可以設計成性能良好的微波濾波器； pbg結構具有高阻特性，把這種特性用於微波天線時， pbg結構可以加強前向輻射，減小後向輻射，增大天線的方向性系數，從而提高天線的增益，改善天線的性能，另外， pbg結構還可以大大提高天線單元之間的隔離度，顯著減小天線單元間的耦合。
  7. According to the observed experiments that the na2feo4 solution with the same concentration and volume were decomposed by the same area of different membrane, we learned the order of the decomposing rate of na2feo4 caused by different membranes : soapnated cellulose acetate > vinylon > polypropylene polyvinyl chloride = polyethylene microfiber glass mat

    從觀察等面積的隔膜引起同濃度同體積的na _ 2feo _ 4溶液的分解實驗可知，不同隔膜材料引起na _ 2feo _ 4溶液分解速率從大到小的順序是，皂化再生纖維素膜維尼綸無紡布改性聚丙烯膜聚氯乙烯膜輻射接枝聚乙烯膜復合玻璃纖維氈。
  8. When they were respectively used as separator in zn / k2feo4 battery, the percent of capacity of the cathode active material na2feo4 were : microfiber glass mat ' s : 93 % ; polyethylene ' s : 68 % ; polypropylene ' s : 56 % ; polyvinyl chloride ' s : 47 % ; vinylon ' s : 38 % ; soapnated cellulose acetate ' s : 24 %. although five of them ( not concluding soapnated cellulose acetate ) had very weak or weaker reductivity as separator in super - iron battery, for which th ey were more suitable to being separator in super - iron battery

    作為隔膜用於zn k _ 2feo _ 4實驗電池，正極活性物質k _ 2feo _ 4的放電容量效率分別為復合玻璃纖維膜93 、輻射接枝聚乙烯膜68 、改性聚丙烯微孔膜56 、聚氯乙烯微孔膜47 、維尼綸無紡布38 、皂化再生纖維素膜24 。
  9. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁（光子）晶體貼片天線，用fdtd方法並結合pml吸收邊界條件對該天線進行了研究，結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善，與普通天線相比，基底中的表面波受到很大抑制，天線的帶寬增加，遠場方向圖上天線的旁瓣和背瓣被明顯削弱，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。
  10. This paper briefly introduces the application of metal ions in the area of silk and textile industry, such as modification of silk fiber, development of the functional fiber with antibacterial or deodorant properties, fiber ' s weighting and dyeing, flame retardancy finishing and electromagnetic radiation shield finishing, and so on

    摘要綜述了金屬離子在絲綢紡織領域的應用情況，對蠶絲纖維的改性處理，抗菌消臭功能纖維的開發，纖維增重、染色，阻燃整理及防電磁波輻射整理等進行了詳細分析。
  11. At last, a two - step fuel control system, which takes the radiation temperature as an intermediate controlled parameter is designed to improve the control character of boiler. control model and respective control strategy is introduced and simulation calculation result is demonstrated in this article

    最後，提出將爐膛輻射溫度作為中間被調量構成串級調節系統以改善鍋爐調節對象的調節特性，研究了相應的模型和控制演算法，文中給出了模擬計算結果。
  12. Based on the idea of improving the frequency characteristic of the two parameters above, a novel method of improving the bandwidth of the slot array antenna is presented in this paper, which uses a ridged waveguide instead of a rectangular waveguide as the radiating waveguide

    本文以改善這兩個參數的頻率特性為出發點，提出了一種展寬波導裂縫天線帶寬的新方法，即用脊波導代替矩形波導作為輻射波導。
  13. The unique formula is highly compatible with skin, can provide deeper moisturizing into the basal skin layer, effectively improve the skin metabolism, activate skin tissues and cells, isolate sunshine and polluted air durably, effectively deactivate tyrosinase, inhibit the generation of color spots, mildly remove skin ' s dry and fine lines, deeply whiten and care skin, leave skin tender and elegant again

    能迅速滲透，軟化角質層，保護手足肌膚，柔嫩潤澤，防止肌膚乾燥、凍瘡、粗糙等現象?生，與肌膚有更高的親和性，滋養達致皮膚基底層，有效改善肌膚的新陳代謝，活化皮膚組織的細胞，持久阻隔陽光輻射和污染空氣的侵害，有效抑制酪胺酸酶的活性，抵禦色斑素的形成，溫和平復皮膚干紋、幼紋、深層潤白呵護，令肌膚再現嫩麗可人的神采。
  14. It calculates the effects during each time step of winds carrying along the various atmospheric properties and of the processes of evaporation, rainfall, surface friction, infrared cooling and solar heating that occur in the area of interest

    在每個時步里，模式計算的作用包括：各種隨著風改變的大氣性質、蒸發過程、降水、表面摩擦以及在重要地區的長波輻射冷卻與日照加熱。
  15. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  16. Characteristics of high - pressure welding arcs and the differences between welding arcs under high pressure and normal pressure are analyzed in this paper

    摘要對高壓下焊接電弧特性（電弧輻射、傳導、對流）的改變以及焊接電弧的形態變化進行了分析。
  17. After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened

    為了使探測器的性能得到進一步的提高，我們對其進行了電子輻照改性，並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應，並對其響應時間，后沿下降時間，半高寬（ fwhm ） ，載流子壽命，靈敏度進行對比，研究，結果顯示經電子輻照后的探測器的性能得到了改善，使響應速度，分辯率進一步提高，並消除了探測器輸出信號后沿的非線性，雖靈敏度有所降低，反而使其測量范圍得以拓寬。
  18. When compared with kds301 ( lexa + ), xe ( lexa - ) cells showed quite similar levels of survival curve to y - irradiation and mmc, indicating lexa gene had no effect on radiation resistance of deinococcus radiodurans. deinococcus radiodurans " lexa had no revelance with its extremely radioresistance. the recombinant plasmid pza172 was constructed by cloning the lexa gene of deinococcus radiodurans into the vector plasmid puc19 in the downstream of lacz promoter

    對lexa基因突變體xe的研究表明，其輻射抗性與lexa基因野生型的抗輻射菌kd8301相近，存活曲線上均顯示有一個寬大的肩區，結果發現lexa基因的突變並沒有改變抗輻射菌的獨特抗性，說明lexa基因與輻射抗性無關。
  19. Emu oil has since been shown to have significant improvements on virtually every skin condition, including psorias, eczema, acne, rosacea, keloids, age spots, stretch marks, radiation burns, thermal burns, dermatitis, dry skin, chapped lips, itching, sunburn, blistering and peeling, softening calluses, rashes, warts, minor cuts and scratches, dry cuticles, and bug bites

    鴯油從那以後被顯示有重大改善在實際上每個皮膚條件，包括psorias ， eczema ，粉刺， rosacea ，蟹狀腫，年斑點，舒展標記，輻射燒，上升暖流燒，皮炎，乾性皮膚，破裂的嘴唇，發癢，曬斑，起水泡並且剝皮，軟化老繭，疹，疣，未成年人切開和抓痕乾燥表皮，和臭蟲叮咬。
  20. When the element of array is near enough, the stacked tem - horn array can improve the radiation of lower frequency

    當陣列疊狀排列並且相鄰陣列單元極板間距較小時，可以改善低頻輻射特性。
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