比重分離法 的英文怎麼說

中文拼音 [bǐzhòngfēnlífǎ]
比重分離法 英文
densimetry
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 比重 : 1 （部分在整體中所佔的分量; 比值） proportion 2 [物理學] （物體重量和其體積的比值） specific grav...
  1. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析，給出了更為嚴格的約束條件，保證了信號處理后距離譜峰值的唯一性。最後，分別介紹了fmpcw和fmicw信號的不同處理方式，並對兩者不同的時域濾波性能進行了比較，並對二者的差異進行了分析。
  2. It separates diagnostic categories and psychopathology in organic disorders, affective / mood disorders ( disorders of emotional / feeling level ), psychotic disorders ( disorders of mental level - thought, cognition, and perception level ), dissociative disorders, somatoform disorders, anxiety disorders etc. is inflexible to accommodate integrated psychiatric approach, namely patient - centred ( exactly what is needed more than anything

    它依據器官的功能障礙的程度進行診斷和精神病學分類，情感表達/情緒障礙（情緒/感覺水平的障礙） ，精神障礙（精神水平? ?思想、認知、理解水平功能障礙） ，分離障礙，體感障礙，附屬障礙等等，這種分類方法為整體精神病治療法提供了基礎，這個基礎稱為患者中心模式（這點比其他的觀點更重要！ ）
  3. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  4. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用群體遺傳學分析、家系組合分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了統計學分析，結合家繫系譜分析探討了上述6項特徵的遺傳方式；通過雙生子一致率的比較，對上述特徵的遺傳與環境效應的相對重要性進行了評價；計算了呼和浩特市漢族群體5對遺傳性狀的基因頻率，採用u檢驗方法與相關文獻報道的其他群體進行了比較，探討了不同種族間或民族間的遺傳差異性。
  5. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  6. And at this foundation through the dispersed domine analyse the paper makes a great emphasis on the application of computer aided design and simulation, then designs a series of apfc design and simulation software. this paper takes out a set of designation and simulation on base of actual circuit. the reliable result, output voltage and inductance current which are got from this software are the same as the actual value

    本文在對一系列apfc電路設計、模擬分析方法討論比較的基礎上，著重應用離散時域法進行了計算機輔助電路設計和模擬方法的應用探索，以此為基礎設計了pfcexpert功率因數校正電路設計、模擬軟體，針對實際電路給出了整個設計和模擬全過程，通過實驗驗證了該軟體所得到的精確穩態解、瞬態輸出電壓和電感電流，與實際電路輸出基本相同，所建立的電路模型重現了電路的運行過程，反映了電路的實際工作機理。
  7. In this paper, phylogenetic relationship of 13 species involved in 6 genera of cruciferae wer e carried out through both the clones of homologous sequences with the primers designed on the basis of conserved regions of cyp86mf gene in cytochrome p450 gene superfamily and the differential analyses of them. meanwhile, complete sequences of some genes in cytochrome p450 gene superfamily were isolated and identified by smart pcr - race strategy, and expressed in e. colt. the results were as follows : ( 1 ) isolated by pcr from 11 species of cruciferae, eleven homologous gene segments that deduced amino acids were identities of over 80 % at nucleotide sequence level and similarities of over 70 % at amino acid sequence level

    本論文以已知的細胞色素p450基因超家族成員cyp86mf基因的保守區設計引物對十字花科重要蔬菜作物的6個屬13個物種進行了同源序列的分離克隆，通過核酸序列的差異比較分析，研究了該基因在不同物種中的進化關系；同時，通過保守引物的pcr擴增和race相結合的方法對十字花科植物不同物種的細胞色素p450基因家族成員基因全長進行了分離克隆、鑒定和原核表達的研究，獲得如下研究結果： （ 1 ）通過pcr從十字花科植物不同物種中擴增到11個可以推導出完整氨基酸序列的同源片段。
  8. An popular notion of decoupling degree for analysis and judgement is given in this paper. it is based on the investigation of the predecessor, such as bristol ' s relative amplifying method which assessed the coupling degree according to the value of that departed from 1. but when the value was negative, the interacting extent was more serious than the value which was consumedly bigger than 1

    本文提出了一種對分析與判斷解耦系統有普遍意義的耦合度新概念，是在吸收前人許多研究成果基礎上加以改進與完善的，如bristol提出相對放大系數_ （ ij ）的方法，以_ （ ij ）偏離1的大小來判斷耦合度的大小，但實際上， _ （ ij ）為負數時，系統耦合的情況遠比_ （ ij ）大大超過1的情況嚴重得多。
  9. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison

    首先著重研究影響邊坡穩定性的內在因素，主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料，建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素，並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價，並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類，並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。
  10. Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )

    本論文主要論述了在espd - u裝置上，採用電子迴旋共振等離子體增強mocvd （ ecr - pamocvd ）方法，在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝，包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長；通過高能電子衍射、 x射線衍射和原子力顯微鏡測試，並且對這些測試結果進行了詳細的比較研究，得出了較優化的工藝條件，生長出了晶質較好、表面較平整的aln外延層；進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制，我們沒有能夠生長出原子級平滑的aln外延層表面，因而沒能夠生長出密度比較大和直徑比較小的量子點。
  11. So the only way for agricultural development is structural adjustment. under the theory of structure economy growing, the theory duality economy structure and the law of the industry structure evolution mainly, this paper, firstly, analyzes the characteristics of evolution and current situation of hubei province ' s agricultural industry structure including the evolving better, singleness, facing crisis, by stage, lack of power, crop ' s development setting back the evolution, asymmetry - structure between the production value and output, the similar structure with the whole nation and the peripheral provinces, and so on

    本研究在結構主義經濟增長理論、產業結構演進規律和二元經濟結構論等經濟學理論的基礎上，首先通過產值比重結構對比、產業結構變動度、產業結構波動度、產業結構相似度和偏離系數等指標和方法，從多方面分析了改革開放以來湖北省農業產業結構演進與現狀特徵：農業產業結構逐步優化，但結構單一，面臨危機；農業產業結構呈階段性演進；農業產業結構演進缺乏動力；種植業成為湖北省農業產業結構優化障礙；農業產值與產量結構不對稱，出現逆向變化；農業產業結構與周邊省份趨同等。
  12. In order to investigate the tolerance of ectomycorrhizal fungi to heavy metals in vitro, three culture methods, namely liquid culture without agitation, liquid culture with agitation and solid agar culture, were investigated to determine which method would give the best combination of fungal biomass and ec50. the results indicated that liquid medium without agitation was the best culture method

    為研究外生菌根真菌本身對重金屬污染的耐性，比較了液體靜置、液體搖床和瓊脂固體培養這三種常用的菌絲體的純培養方法，以真菌生物量大小和分離難易程度為主要指標，篩選出液體靜置方法為最優方法。
  13. During the processing system development, firstly, set forth the methods, importance and two recently formulas of hydrodynamic derivatives. secondly, based on the mmg module the maneuvering motion equations are established for the ship in still and deep water. to compile and run the program, the calculation results compared with the experimental data

    本論文首先簡述了獲得水動力導數的方法、重要性和兩種新的估演算法，接著運用mmg分離型船舶運動數學模型，建立了深水、靜水域的船舶操縱運動方程，並編制計算程序，將試驗結果同數值計算結果相比較，獲得較為滿意的結果。
  14. In optimal decision model : ( t ) nine main environmental impact indexes are summarized and qualmed from the main aspect of environmental impact of road construction based on the principles of comparability and measurability ; ? calculate each index with analytic hierarchy process, and introduce the concepts of educing matrix and absolute coincidence matrix to adjust judgment matrix in order to meet with satisfactory consistency ; ( 3 ) introduce the distance to calculate the weight of expert ; ? analyze the relationship coefficients with gray relationship method, then integrate the weights of indices and experts with them to obtain the compositor of ail of the schemes

    在方案優選模塊中：針對公路建設中環境影響評價滯後於公路建設的現象，將環境因素的影響提到設計階段，並對環境指標進行了重點分析，提出了用於比選的9個定量指標；採用層次分析法確定各級指標的權重，並對判斷矩陣予以修正；引入距離測度的概念解決各專家的權值問題；運用灰色關聯法分析各指標的關聯系數，並結合指標權重、專家權重，最終得到各方案的關聯度優劣排序。
  15. It also studies the problem of real option pricing when the underlying assets follow the pure jump poisson, mixed jump - diffusion merton and mean - reversion model, and obtains the price formula or partial differential equation to price and hedge the real option. when the value of real option can not separate from the value of project, or the uncertainties are endogenous to real option holder, it is difficult to pricing the real option by the ways of no - arbitrage. in this paper we present a approach named valuation with comparison, its basic point is to value the project or program with flexibility by means of decision tree analysis ( dta ) and stochastic dynamic programming ( sdp ), and the results are compared with that of non - flexibility, finally,

    當實物期權的價值不能從項目價值中分離出來，或者影響基本資產價格的不確定性內生於期權的持有者時，此時實物期權的價值一般難以直接利用無套利方法得到，本文通過對現有文獻進行歸納，提出一種比較定價法，其基本要點是利用決策樹、動態規劃法或二叉樹模型等技術來確定嵌有柔性的項目或方案的價值，然後將其與沒有柔性的項目或方案進行比較，從而獲得各種柔性的價值，作為這種方法的一個應用，本文研究了柔性勞動合約的設計與定價問題，研究表明，對企業重要員工採用長期勞動合約，而對一般員工採用短期合約可以節約勞動力使用成本。
  16. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素，以便充分掌握影響孔度大小、分佈、形態的因素，使孔度調控范圍得以拓寬，使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發，分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程，它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程，可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料，其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜，通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定，不同厚度的多孔膜形貌研究，不同x （聚合物-溶劑相互作用參數）體系所制備的多孔膜形貌等需深人研究
  17. Recurring to resynchronization marker, data partitioning and rvlc, video files with errors are dealt with. the article codes and decodes video source files with errors, computing every algorithm ' s psnr, comparing video pictures " subjective and objective quality

    運用重同步標志（ resyncmarker ） 、數據分離（ datapartitioning ）和可逆變長編碼（ rvlc ）對含錯的視頻文件分別做錯誤處理。以mpeg - 4錯誤恢復方法對糟糕視頻源文件編碼、解碼，計算該演算法的psnr ，比較視頻幀的主客觀質量。
  18. Chapter four briefly researches the principle of range migration algorithm. the relation and difference between frequency scaling algorithm and range migration algorithm are studied carefully. through the point simulation under ultra wide - band system parameters, we compare their imaging performances

    第四章簡要介紹了距離徙動演算法原理，著重分析了頻率scaling演算法和距離徙動演算法之間的聯系及區別，並通過超寬帶（ uwb ）系統參數下的點目標模擬比較了它們的性能。
  19. At the beginning of this thesis, we introduce the fundamental of the acoustics and the perceptual mechanism. next, different kinds of speech processing methods including time processing and time - frequency analysis are presented, such as short time average energy, short time cross zero analyses, short time autocorrelation function analyses and fft. at last, we focus on the sound separation, especially on single channel sound separation

    在這篇文章開始的部分，我們介紹了聲學的基礎知識和人類聲音感知的機理;接下來，我們給出了在時域處理和頻域處理語音信號的一些經典的技術，比如短時平均能量分析、短時過零分析、短時自相關函數分析、快速傅立葉變換等;本文重點從理論和實驗上討論語音分離，特別是單聲道語音分離的演算法及其在分離音樂鼓點中應用。
  20. It is shown that, due to the real operations, the computation of the bi - orthogonal analysis window, the transforms coefficients, and the reconstruction of the original signal in rdgt case, can be significantly reduced as compared with the computation of those in the cdgt case. and the similarity between the rdgt and the discrete hartley transform ( dht ) allows the rdgt to utilize the fast dht algorithms for fast computation. meanwhile, the rdgt bears a simple relationship with the cdgt such that the cdgt coefficients can be directly computed from the rdgt coefficients

    主要內容有：研究了一維和二維實值離散gabor變換（ rdgt ）方法，這種方法由於僅涉及實數運算，並可利用快速離散hartley變換演算法加速變換，因而在計算雙正交分析窗、變換系數以及信號重建方面都比復值離散gabor變換（ cdgt ）簡單易於實現，並且rdgt系數與cdgt系數的實部和虛部有著非常簡單的關系，因此前者的計算完全可以替代後者的計算，從而達到明顯減小gabor變換計算量的目的。
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