結構域置換 的英文怎麼說
中文拼音 [jiēgòuyùzhìhuàn]
結構域置換
英文
domain substitute- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 域 : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
- 置 : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
- 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
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In a word, this thesis not only expounds the whole structure of stability control of power system based on the theory of control decisions, but also designs software and hardware of sub - control - station, which are different from others. there are several advantages as listed below : 1 ) distributed hardware architecture function modularization realization of communication between modules by high - speed network communication technology ( can ) ( interconnecting 256 modules or mainframes ) flexible, convenient, reliable expansibility of hardware and decreasing system risk. any broken cell only affects local cell
總之,論文不僅在控制策略理論的基礎上,闡釋了穩定控制系統的整體架構,而且研製設計出新穎的區域穩控子站裝置軟硬體,其優點體現在: 1 )分散式硬體結構體系功能模塊化採用高速網路通信技術( can )實現模塊間信息交換(最多支持256個模塊及機箱之間的互聯)硬體擴展靈活方便、可靠,降低系統風險,任一單元損壞隻影響局部2 )實時信息網(控制網)和管理網(監測網)分開。By means of the wavelet transformation the deconvolution is done in the time domain. the dispersive properties of the elastic wave within the impacts acted are analyzed, and with the nonlinear optimization method concerned the impact location is identified
利用小波變換作時域內的解卷積計算,分析了結構在沖擊載荷作用下的彈性波的散射特性,結合非線性優化方法實現了載荷沖擊位置的識別。Pfge analysis of these 21 blocked strains revealed a common chromosomal deletion in the 300kb asel fragment which might be responsible for antibiotic 5102 - iii biosynthesis. so the 300kb fragment was recovered and used as probe to hybridize with 10 - 22 genomic library. cosmids in this region were aligned and suitable fragments in this region were selected and used further for the construction of gene replacement plasmids
以此片段為探針釣出了位於該區域的文庫克隆,並利用指紋印跡和雜交技術將這些文庫克隆排列起來,進而以位於該區域的不同位置的片段做臂構建了用於轉化和接合轉移用的基因置換質粒,並試圖通過基因置換將該區域置換下來,但尚未得到最終結果。A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields
介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道,利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields
文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道,利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景The study state of art and development trend of structural damage identification research is simply summarized in this paper. hilbert - huang transform ( hht ) is applied to the damage identification and intrinsic frequency confirmation of time - variable structures. furthermore, a kind of inverse calculation is presented to calculate structural stiffness. this method can solve three main problems : the time that damage occurred, the location and the degree of damage
本文簡要總結了結構損傷識別領域的研究現狀和趨勢,圍繞損傷引起固有頻率變化這個特徵,將希爾伯特?黃變換( hht )應用於時變結構的損傷識別和損傷前後固有頻率確定上,並結合牛頓迭代法,對結構剛度進行反演計算,從而解決結構損傷識別領域所關注的三個主要問題:損傷發生時間、損傷位置以及損傷的程度。( 3 ) though the conventional fourier power spectral analysis can reflect the common characteristics of the signal, it cannot provide the fine structure of time - frequency changes and the location of the jump points, while the wavelet transforming can better the situation
傳統的功率譜分析方法雖然能反映氣候信號變化的一般特徵,但無法反映時頻域變化的精細結構,也不能給出突變點的具體位置;而小波變換分析方法則可以很清楚地給出氣候信號變化的多層次結構和突變特徵。In this paper, the researches on the substitutions of ca - polyhedral, p - tetrahedral and channel positions in apatite structure are reviewed, the structural sites, substitution forms and mechanism of isomorphic ions are discussed, and the influence of the substitution of this mineral upon the environmental mineralogy is briefly described
摘要綜述了作為重要環境礦物材料的磷灰石在鈣位、四面體位和結構通道位置上類質同象替換的研究進展,討論了替換離子的結構佔位、替換形式和機理,並就替換對這種礦物在環境治理領域應用的影響進行了簡要評述。分享友人