理想直徑 的英文怎麼說

中文拼音 [lǐxiǎngzhíjìng]
理想直徑 英文
ideal diameter
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 想 : 動詞1 （思索） think; ponder 2 （推測; 認為） suppose; reckon; consider; think 3 （希望; 打算） w...
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 理想 : ideal
  • 直徑 : diameter; diam
  1. Since the discovery of cnt ’ s and find that cnts have small diameter and high length diameter ratio and can be look as one - demission material, it can be used as emission emitter of fed. especially, the aligned cnts array can be seen innumerable single cathodes which are lined regularly and form array. so growing aligned cnts array in selective area is the key technology to product cnts fed, which is also the necessary condition of cnts micro - electronics device

    自碳納米管發現以來，由於碳納米管的直徑很小、長徑比大，故可視為準一維納米材料，可作為場發射平板顯示的尖端發射體，特別是定向碳納米管陣列可看成是無數根單尖陰極規則的排列起來形成陣列式，是理想的場發射平板顯示器的尖端發射體。
  2. Through the approach of investigative questionnaire and ability examination, considering both teachers " teaching practice in senior high school and students " need in analyzing and resolving problem, taking the method of fixing the quality and quantity, we make a demonstration research. at last, we draw a conclusion that the 19 manifestations of chemistry ability can be reduced to three levels : the basal level, called repeating thinking, includes distinguishing and judging the chemical fact and relations of quantity in chemical reaction, comparing and summarizing the chemistry fundamental knowledge ; innovative thinking level includes illogical thinking and logical thinking. illogical thinking mainly contains intuition, association and space imagination of micro - particle

    通過調查問卷、能力測試等途徑，結合教師在中學化學的教學實踐和學生在分析、解決問題的實際需要，採用定性與定量結合的方法，進行實證研究，得出結論：化學學科能力的19種表現形式歸納為3個層次：最基礎的再造性思維能力層次包括對化學事實和化學反應中量的關系的識別和判斷、對化學基礎知識的比較概括；以培養創新能力為核心的創造性思維層次包括化學直覺思維、聯想、對微觀粒子的空間想象為主的非邏輯思維和靈活運用已學的化學知識通過分析、綜合地解決問題為主的邏輯思維；化學實驗能力層次是化學學科能力的最高層次，它以思維能力為基礎，集中體現了化學教學的基本特徵，實驗能力層次包括：選用實驗方法和設計實驗方案，對實驗的評價，研究和處理實驗事實、資料、數據，發現規律，表達實驗及其結果，最終解決問題的能力和發散思維。
  3. It adopts industry economics theories, such as, industrial organization theories industrial relation theories and industrial layout theories, after systematic analyzing our national s & t resources allocation and the basis of the construction of national research & experiment platform, it proposes constructing national research & expe riment platform both in basic and applied research fields and more, formulates the platform definition, structure and functions and so on. meanwhile, by utilizing experience of developed country s & t resource allocation, it also research the thoughts, principles, ways methods and direct output efficiency estimate in s & t activities of the platform. it aims to offer operatively realization methods and policy proposal as well as realization qualitative development and shorten the distance to the international advanced s & t level

    本文正是在這樣的背景下針對我國科技基礎條件薄弱，從而造成我國原始性科技創新能力和集成創新能力不足的現狀，利用產業經濟學中的產業組織理論、產業關聯理論、產業布局理論，深入系統分析了我國科技資源及其配置、國家研究與實驗平臺建設的現實基礎，提出了在基礎研究和應用研究的學科領域建設國家研究與實驗平臺的設想，並對平臺的內涵、結構、功能等做出界定，借鑒發達國家科技資源配置的經驗，對我國研究與實驗平臺建設的思路、原則、途徑和方法，以及平臺的科技活動直接產出效率評價等進行研究，以期對實現我國科技的跨越式發展，縮短與國際先進科技水平的差距提供可操作性的實施方案和政策性建議。
  4. Directed by the theory of system and using theory of region geography economics theory and system economics theory, this thesis mainly discloses the movement mechanism of international direct investment ( i. e. fdi ) and its condition path, by researching the influence of esp system of host country, the characteristic of investor ' s oil and the international environment in order to enrich the theory of fdi and develop the research scope of the humane geography

    本文以系統思想為指導，綜合應用區域地理學、經濟學以及制度經濟學等多學科理論，通過研究東道國esp系統、投資主體oil特徵及國際環境對國際生產資本地域運動的影響，揭示國際直接投資結構的動因機制及其傳導路徑。擬在豐富國際直接投資理論的研究內容，拓展人文地理學研究范圍。
  5. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。
  6. However, on the cause of the lack of inside need and the start path, there exist disputation among local theoretical fields, practical section and decision layer. the result of practice is not yet ideal up to now, and the pressure of employment is great

    然而，在內需不足的病因診斷及啟動途徑上，國內理論界、實踐部門及決策層卻一直有歧議，而且實踐效果至今仍不理想，就業壓力大。
  7. Having features of concentrated lubrication, neat cutting section and small curvilinear cutting, low noise, stable running, easy operation, and high efficiency, automatic knife grinding, powerful motor, this machine is and ideal cutting tool for garment industry

    本機具有集中潤滑，切口平直，且能作小曲率半徑曲線裁剪，低噪音，運轉平穩，操作簡便，高效率，自動磨刀，採用大功率電動機等特點，是服裝行業最理想的裁剪工具。
  8. How to improve the three primary colors led light source cavity, polarizing beam splitter system of civil lcos hmd is discussed in this paper. in addition, a new eyepiece optical system with wide fov ( field of view ) 、 big exit pupil 、 long eye relief is also designed by an optical design program named zemax. the result is very successful

    本文對民用lcos頭盔微顯示器的led三基色光源及其腔體、偏振分光系統進行了改進，藉助zemax光學設計軟體輔助設計出了大視場、大出瞳直徑、長出瞳距離的目鏡放大光學系統，獲得了十分理想的效果。
  9. The fusion ( f ) protein and hemagglutinin - neuraminidase ( hn ) are the major virulence factors of the virus to which the host responds well with protective antibody production. recombinant plasmids containing the f or hn gene can induce specific immune responses against ndv. however, dna vaccination by injection or gene gun routes is rather inconvenient and costly in field applications in scaled animal farms

    融合蛋白（ f ）和血凝素-神經氨酸酶蛋白（ hn ）是ndv的主要宿主保護性抗原，以f基因和hn基因為免疫原研製的dna疫苗能誘導一定程度的免疫應答，但注射免疫或基因槍免疫途徑因實際操作和成本等問題難以推廣應用，而直介面服重組質粒dna免疫效果不理想。
  10. Simulator presented in this paper provides a direct interface for the test of shortwave communication system, which well represents various features of hf channel such as multi - path delay, rayleigh fading, doppler shift, doppler spread, gaussian noise and impulsive interference, etc. in order to realize the channel simulation for the intermediate frequency signal, we, inspired by the idea of soft - defined radio, bring forward a new design method that the channel simulator consists of several dsp chips

    本文研製的模擬器提供介面直接對短波通信系統進行測試，能夠全面反映短波通道的多徑時延、瑞利衰落、多普勒頻移、多普勒擴展、高斯噪聲和脈沖干擾等特性。為了實現對中頻信號的通道模擬，開發出一個結合軟體無線電思想的由多個數字信號處理晶元構成的短波通道物理模擬器。
  11. Much attention, for which, has been paid to the research of male sterility mechanism and its application in it inthe past several decades

    白菜雜種優勢十分明顯，其雄性不育系利用一直被認為是目前一代雜種生產的理想途徑，因而，有關其雄性不育發生的機理研究一直深受人們的重視。
  12. In these methods mechanical agitation or high pressure are usually used, which cost too much energy and can ' t get uniform liquid droplets membrane emulsification is one of the best methods to prepare emil1sion

    這種方法所需壓力很小，形成的液滴直徑均一，並能形成不同粒徑的乳液，是理想的制乳方法。
  13. At last some further research proposals of strengthening concrete structures with hfrp were presented : besides the theoretical descriptions of the durability of hfrp and its successful applications, further experimental research should be carried out to study its feasibility in strengthening concrete ; in order to inspect and amend the practical effect of the reasonable matching, experimental study of concrete columns and beams ( the author have fabricated 30 hfrp strengthening concrete columns with a diameter to height ratio of 1 : 3 and 15 concret

    汕頭大學碩士學位論文摘要最後提出了今後hfrp加固混凝土結構的研究設想，主要是: hfrp的耐久性除進行合理的應用實例和理論分析外，還需通過試驗研究進一步論證其可行性。應將合理匹配用於樑柱加固試件（作者已製作30個直徑/高為1 : 3的hfrp加固柱試件和15根混凝土梁試件供后續實驗研究之用。 ） ，檢驗實際效果，並進行修正。
  14. A good forest structure could improve the even degree and range of distribution obviously, and improve the porosity ; the fractal dimension ( fd ) and mean weight diameter ( mwd ) could sign the soil structure feature objectively

    良好的林分結構能明顯提高土壤粒徑的分佈均勻程度與范圍，改善土壤孔隙狀況；分形維數和重量平均直徑能比較客觀地表徵土壤結構特徵，是較為理想的土壤結構測定指標。
  15. The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,

    最後，論文給出了結倫：磁流變液阻尼器是半主動控制裝置中非常吸引人的控制元件之一，混合工作模式的磁流變阻尼器結構簡單，阻尼效果比流動模式和剪切模式均要好，是一種比較理想的磁流變阻尼器；電樞活塞式磁流變阻尼器作為混合模式磁流變阻尼器的一種結構形式，其結構設計合理，性能良好，具有較強的實用價值，值得在工程中推廣應用；在電樞活塞式磁流變阻尼器的設計中，應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對阻尼器的阻尼力有明顯的影響，並注意選用合適的磁流變液材料；輸入電流對磁流變阻尼器的阻尼效果影響很大，輸入大電流時阻尼力明顯增大，減振效果明顯提高。
  16. But in this text, the author holds that this chapter is not a direct description of the ideal world, but a narration of the specific way to approach it

    這一章並非對于理想社會的直接描述，而是敘述了通往理想社會的具體途徑。
  17. According to the rheological properties of melted abs filament during extrusion from fdm ' s nozzle, on the basis of research on extruded filament section shape, the compensation model of ideal contour line is established, and a new technique for compensating inner or outer contour line of workpiece is put forward, which should depend on the real width of extruded filament ( instead of nozzle radius ) and the real dimensional shrinkage of workpiece

    根據abs絲從噴頭擠出過程中的流變性能，在研究fdm工藝噴頭擠出絲截面形狀的基礎上，建立了理想輪廓線的補償模型，並提出了根據擠出絲實際寬度（而非噴嘴孔直徑）和零件尺寸實際收縮量補償零件內、外輪廓的新方法，驗證試驗結果表明該補償模型和補償方法正確可行。
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