均勻度問題 的英文怎麼說

中文拼音 [jūnyúnwèn]
均勻度問題 英文
flatness problem
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (請人解答) ask; inquire 2 (詢問; 慰問) question; ask about [after]; inquire about [aft...
  • : Ⅰ名詞1. (題目) subject; title; topic; problem 2. (姓氏) a surname Ⅱ動詞(寫上) inscribe; write
  • 問題 : 1 (需回答的題目) question; problem 2 (需研究解決的矛盾等) problem; matter 3 (事故或意外) tr...
  1. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與速信息。對于fmpcw信號由於脈沖產生的周期性距離模糊的,採取時間波門的處理方法。
  2. Under simple development, it could be applied on active - matrix oled directly. finally we design power circuit, through the design of a stable current circuit, we solve the disaffiliate luminance in oled

    另外,還設計了後端的功率電路,通過對恆流源電路的設計很好的解決了顯示屏亮
  3. In order to solve the above - mentioned problems, the present invention provides a method for plating a polymer material with a metal film, which can form the film on the surface of polymer materials, which are difficult to plate by the prior wet plating method, at a relatively low cost in comparison to the dry plating method and exhibits a uniform thickness and a good adhesion of the metal film and further, shows a good reproducibility

    為了解決上述,本發明提供了一種給聚合物材料上鍍金屬膜的方法,用該方法可以在聚合物材料表面形成膜層,這是原來的工藝難于做到的,而且比干鍍成本低,鍍層厚,金屬膜的粘附性好,最後,還顯示出好的重現性。
  4. The phase - shifting interference is a osculant and high precision technology base on the wavelength. because of the different size of object being measured leading to different size of interference wave which brings on asymmetry of the interference wave ineluctably we adopt the zoom lens to improve the measurement precision. considering the interferometer ’ s sensitivity to the vibration the interferometer is often used in the lab which restricts it being used widely

    移相干涉術是以光波波長為單位的非接觸式高精測量技術,為了使大小各異的被測元件產生的干涉條紋尺寸大小一致而引入了變焦鏡頭,從而不可避免地導致干涉條紋亮暗不和照改變的,最終影響測量精
  5. Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled

    研究中,首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒表面的成功改性,使其表面由憎水轉化為完全親水,確保與無機材料的復合質量;其次,通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強的矛盾,使保溫材料在滿足必要的強的前提下,導熱系數降至最小;並且,課研究中成功解決了纖維在保溫材料中分散的,達到了抑制保溫材料收縮的目的;最後,通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性,滿足施工的要求。
  6. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳演算法進行了研究,討論了聚類的編碼方式和適應函數的構造方案與計算方法,分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。然後對k - means演算法中初值的選取方法進行了分析和研究,提出了一種基於遺傳演算法的k - means聚類改進(混合聚類演算法) ,在基於采樣的小樣本集上用k值學習遺傳演算法確定聚類數k ,用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心,最後在已知初始聚類數和初始聚類中心的情況下用k - means演算法對完整數據集進行聚類。由於遺傳演算法是一種通過模擬自然進化過程搜索最優解的方法,其顯著特點是隱含并行性和對全局信息的有效利用的能力,所以新的改進演算法具有較強的穩健性,可避免陷入局部最優,大大提高聚類效果。
  7. Products function : put our “ sun shine ” brand carbon steel fiber evenly seep into concrete to form steel fiber reinforced concrete and it can decrease the thickness of reinforced concrete by half, it not only shorten the project time, save the material and manpower expense, bring distinct economic benefit, but also increase the performance of crack resistance, percussion resistance, tensile strength, bend resistance. scosspr resostamce amd wear resistance of the reinforced base materials. if the weight ratio of 2 % steel fiber seep into the concrete, it can solve the brittleness problem of the concrete, in the condition of 60 % ralative air humidity, after 21days air - dry, even 520 days air - dry, it ' s difficult to find any crack by eyesight, the bend resistance for the steel fiber concrete is 140 times stronger than the concrete without steel fiber, the capability of impact resistance increase 10 times

    產品功能:將本公司「雙興」牌碳鋼纖維系列產品地摻入混凝土中,形成鋼纖維增強混凝土,可使工程中鋼筋混凝土的施工厚降低一半,不僅縮短了施工工期,節省了材料和人工費用,帶來顯著的經濟效益,且增強了基體的抗裂、抗沖擊、抗彎、抗剪、耐磨擦等性能,如摻入本公司2 %鋼纖維的混凝土,不僅解決了混凝土的脆性,在空氣相對濕60 %的條件下風干21天後,甚至在風干520天,肉眼很難發現裂縫,摻入鋼纖維后的增強混凝土比不摻鋼纖維的混凝土抗彎強提高140倍,耐沖擊荷載提高10倍。
  8. Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure

    文摘:不的熱殘余應力及其變形是注塑成型加工中常見的工程之一.應用熱流變簡單材料的二維熱粘彈本構方程得到的遞推公式,數值模擬了成型中的熱殘余應力及其翹曲變形,並用數值實驗討論了溫、壓力對注塑件殘余應力及變形的影響,發現溫變化不是注塑件翹曲變形的最主要原因,其影響遠大於壓力的作用,與工程實驗的結論一致
  9. The questions the researcher concerned are which system will be chosen and how to obtain the good lithium ionic conductor materials, which is the basic departure of the paper. the addition of second phase in composite can change the interface structure and the conduction mechanism, improve the matrix conductivity and other function such as the sintering, crisping and so on, so the research of composites are an interesting field of the ionic conductors. the synthesis of lithium ionic conductor is often by solid state reaction, but this method needs high temperature and leads to the volatility of lithium which not only causes the drift of the compounds but gets the no well - distributed materials

    研究者所關注的是選擇新的體系進行研究,以期得到性能更好的鋰離子導體材料,這也正是本論文的基本出發點;復合離子導體中第二相的加入改善了基質的界面結構和導電機制,不僅可以提高基質材料的電導率,還可以在一定程上改善材料的其它性能,如燒結性能、脆性和機械強等。因此復合材料的研究是離子導體一個有廣闊前景的發展方向;合成鋰離子導體,特別是成分復雜的體系以傳統的固相合成法為主,但這種方法需要較高的溫,容易引起鋰的揮發,從而造成產物組成的偏移,而且不易得到顯微結構的材料。
  10. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性化歸為各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強的影響,得到了一系列對工程應用具有實用價值的結論。
  11. In this article the chelating precipitation method and the converting precipitation method were chosed to synthesis zno nanoparticles on the basis of the theory of synthesis of nanoparticles by precipitation. uniform and dispersed zno nanoparticles were prepared by the two methods because zn2 + of conformation crystal was flee slowly and the supersaturation was well controlled. the problem which zno nanoparticles are wide size and agglomerative was solved

    本文根據相沉澱法合成納米粒子的原理,採用絡合沉澱法和沉澱轉化法合成納米氧化鋅。這兩種方法利用溶液中的構晶陽離子zn ~ ( 2 + ) ,緩慢地釋放出來,有效地控制了溶液中的過飽和,可以得到粒徑、分散的納米氧化鋅,解決現有制備工藝中納米氧化鋅粒徑分佈寬、易團聚的
  12. They often solve the problems with two methods. the first one is disturbing and controlling the spurting water with a movable baffle - plate. the second is the proper arrangement of the sprinklers, ( such as isoceles triangle distribution, equilateral triangle distribution, square distribution, and rectangle distribution )

    噴灌的不高的由來已久,國內外的噴灌技術研究人員為解決該一般從「干擾、控制從噴嘴噴出的水舌」 (利用擋水板和導流板來實現)與「合理的安排噴頭的組合形式」 (等腰三角形布置、等邊三角形布置、正方形布置、長方形布置)上來。
  13. For the first time red laser diode ( rld ) was used as light source to develop a laser beam grid sensor for monitoring seeding distribution. hence, monitoring covering problem is solved and monitoring precision percentage was improved

    首次使用可見光激光二極體( rld )為光源製作了用於排種檢測的激光束柵格光電傳感器,解決了傳感器檢測覆蓋率,提高了檢測準確率。
  14. The cooling in gradient method was applied, the uneven cooling speed was avoided

    通過工藝改進,採用自上而下的梯式降溫方式,避免了降溫速
  15. There are many urgent unsolved problems in spray irrigation, such as the influence of wind, uniformity of spray irrigation, degree of atomization, intensity of spray irrigation, structure of sprinkler, etc. especially, how to decrease the engineering investment is the most primary issue

    噴灌中急待解決的很多,諸如風力影響、噴灌、霧化程、噴灌強、噴頭構造等的,噴灌工程實踐表明:降低噴灌工程投資等是節水灌溉工程中的首要
  16. Due to the flexible process inside the manufacturing cell, first of all, production cost model is set up, secondly, based on the dynamic pheromone updating, a developed ant colony optimization algorithm is described in detail. with aim to reduce collaboration with the external partners as well as to decrease the total manufacturing cost, and to balance the production process, this algorithm ensures the

    針對單元內部工藝加工路徑可變而具有一定柔性的情況,建立了柔性工藝路線生產單元的系統耗費,給出了採用信息素動態更新策略的蟻群優化演算法步驟,以解決保證工件交貨期和保障設備生產,減少外協量為目標的作業調
  17. The characteristic of the grating groups can be achieved with better precision and higher speed than other methods. by using this method, we can perform analysis and optimization design with a class of non - uniform structures

    它成功地提高了光纖光柵組的分析速和計算精,對解決非的分析和優化設計進行了有益的探索。
  18. Nonuniformity which must be corrected in all focal plane array is more greater in umbirfpa. it is special that nonuniformity be effected by substrate temperature in umbirfpa

    性是任何焦平面陣列中必須解決的一個重要,而umbirfpa的非更為突出,尤其特別的是它受umbirfpa襯底溫的影響非常嚴重。
  19. The difficult part of this technology focuses on several practical problems such as how to improve the equality of blasting block, how to decrease the consumption of explosive factor and blasting equipment and how to reduce the rate of lost mineral block

    該項技術的難點集中在如何提高爆破塊指標、降低炸藥單耗及器材的消耗量、降低礦石貧化率等實際上。
  20. Owning to the erasing effect, the correlation spots have not the same brightness if the holograms were exposed with the same times while recording. the correlation spot that related to the late recorded hologram is brighter than that related to the previous one. this problem can be solved by a subsequence exposure technique using in holograms receding

    本論文的研究發現,由於后記錄全息圖的寫入光束對先存全息圖的擦除效應,如果採用等時曝光法記錄幾百至上千幅全息圖,那麼相關點亮將會變得不一,后存比先存全息圖的相關點總體上要亮,而採用順序曝光法來記錄全息圖,就可以消除由擦除效應帶來的相關點亮
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