正構同系物 的英文怎麼說

中文拼音 [zhēnggòutóngxìwù]
正構同系物 英文
normal homologue
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  1. The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology

    本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀，分析了氧化催化轉化器和微粒捕集器的發展現狀及存在的問題，以此為基礎，提出了一種柴油機排氣凈化系統，該系統採用催化轉化與微粒捕集及再生相結合的技術路線，通過過濾材料的有效過濾，將排氣中的微粒進行收集，藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化，產生的高溫使得收集到的微粒部分氧化，從而達到降低排放的效果。通過系統結構設計和試驗匹配，實現了對氣體排放物和微粒的凈化。同時，論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究，初步設計了噴氣助燃系統，進行了控制系統軟、硬體的開發，通過正交試驗，摸索出了噴氣助燃系統可靠工作的一般規律，為噴氣助燃再生技術的開發提供了方向。
  2. In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp

    在有外加酸體系中：苯胺百分含量大於50時，不同煤巖組分的電阻率趨于恆定和一致；由於不同煤巖組分結構上的差異，導致苯胺聚合場所和聚合過程的不同；當過硫酸銨/苯胺摩爾比為0 . 6 ， 1 . 0時，鏡煤-聚苯胺導電材料電阻率和絲炭-聚苯胺導電材料的電阻率分別達到最低值；在無外加酸體系中：不同煤巖組分/聚苯胺導電材料的電阻率隨著聚合時間的增加而均勻下降，並在8小時左右達到恆定；在對絲炭-聚苯胺導電材料進行的正交試驗中發現：過硫酸銨/苯胺摩爾比對產率的影響最大，苯胺重量百分比對產率影響最小，而對產物電阻率影響最大的是苯胺重量百分比。
  3. Many studies show that leafy is high homolog even among distantly related plant species. exception of these, little studies on tissue culture and transformation of ginkgo have been done. this paper emphasizes on the isolation, cloning and analysing two ginkgo orthologs of leafy from the male tree

    為此，本實驗從銀杏leafy同源基因的克隆入手，分析其雌雄株lfy基因結構差異，構建lfy基因的植物正義反義表達載體，建立矮牽牛遺傳轉化體系，以研究銀杏lfy同源基因的功能，同時建立了銀杏組織培養體系，為銀杏的遺傳轉化和提早開花結果奠定基礎。
  4. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。
  5. It has been offering secure network service to 600 local scientific researchers and some other internet users. the network parallel computation cluster inside the system has been applied to carry on magnanimity supercomputing of quantum chemistry by researchers in the state key laboratory of structure chemistry. it is highly appraised by experts and users

    系統實現后已經提供了安全網路服務給600名本地科研用戶以及一些所外網際網路用戶；同時該系統中所包含的網路并行計算機群正在為中國科學院福建物質結構研究所結構化學國家重點實驗室的科研用戶提供量子化學海量超級計算服務。
  6. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上，運用礦料體積法進行ogfc級配設計，用正交實驗對礦料級配進行了優化設計，運用數理統計方法分析礦料級配和孔隙率之間的關系，並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程，進而提出了ogfc的合理級配；通過對不同孔隙率典型級配混合料的性能研究，綜合力學和功能性能，得出了ogfc的合理孔隙率范圍：針對高速公路面層對ogfc力學性能方面的要求，本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善：通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青，摻加聚合物纖維，提高ogfc的最佳瀝青用量，進而改善了混合料的高溫性能和抗水損害性能，優化設計出能滿足高速公路路用性能，車轍動穩定度達5000次/ mm以上，動融劈裂強度比90 ，透水系數31ml / s ，並具有防滑降噪功能的開級配瀝青磨耗層（ ogfc ）混合料。
  7. Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm

    本文首先詳細的敘述了天線結構的各組成單元，闡明了天線反射拋物面的形成原理；然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型，分析計算了各種情況下天線的的固有頻率與振型；最後依據天線各指標的重要性，建立了以一階固有頻率最大、質量最小為目標的天線結構多目標優化設計模型，並基於神經網路和遺傳演算法，結合正交實驗和變加權系數技術，形成了一種有效的多目標優化演算法，在matlab平臺下實現了天線的結構多目標優化設計計算程序，求得了天線的最佳結構參數。
  8. The article intend to analysis the precess, character and motivion of development in traditional street space in which contain abundant cultural heritage. through investigation the writer should analysis the characte r, form and the relationship with each other, and furthermore find the pattern of the space in the fulture. what the most important is to summarize the spitits in traditional street space, such as activition, fuction, cultural elements, social customs and quatity of space. in order to put these elements to the exploit of new street space and find how these elements should be used, the writer regards some streets as the examples such as wenming street in kunming, xinhua street in lijiang jianshe rode in luxi. through research the writer find problems which exist in not only traditional but also in new street and express individual viewpoint about how to solve the problems. there are several ways to keep the new street exploition success. in the first place, we shoule know about all kinds of influences and synthesized elements. secondly mastering the mechanism of the development by oneself is indispensable. in the last place, it is necessory not to imitate some certain model which is plausible in other place. in the l ast of the article, the writer uses a new project to further illustrate the way to put the theory what have mentioned above into the practice

    並從自然，社會，經濟及社會文化方面分析產生的根源，發展動力，其次通過實際調查，對現有傳統商住的物質形態要素進行分析，從商空間及住空間的基本特徵，型制入手，探索傳統商住街區的空間形態，結構組成，商與住空間關系，空間性質及空間如何相互轉化。以此來尋找傳統商住街區物質形態特徵，同時結合具體實例強調在傳統商住街區改造、新區的規劃設計中應當重視非物質要素內涵的提取、如活動者及社會結構、功能意義、空間品質、文化氣息，保持歷史傳統的延續性的必要性與可行性。在文章的後半部分，有針對性的對遺留下來的傳統商住街區-昆明文明街、麗江新華街、瀘西建設路的物質形態特徵和非物質形態特徵的分析，找出現存的問題，並針對問題發表個人的觀點，指出引導現代商住街區的開發與改造中，保持形態合理發展的正確途徑是了解影響形態發展與演變的各種因素及其綜合作用，把握好形態演交的內在機制，而不應刻意追求某種特定的模式。
  9. The thesis analyze the relation between the human and the nature, productivity and relationship of the productivity, the relationship between of the human being and the society economy and the layer level of productivity and relationship of the productivity. and the thesis concludes the society is in the transition period of the material production and the spiritual production. and finally the thesis points out the characteristic of the society and the socialism in china, and point a finger on the principle, guideline and the general plan of the construction of the primary state of the socialism in china

    本文主要的思想邏輯是:從分析馬克思關於人和社會的本質、本性入手，然後確認人的全面發展和人的解放為主題，再進一步論述生產勞動是人和社會的本質、本性的必然表現，又是人的全面發展和人的解放的必然形式和途徑;在分析人們的生產勞動中分析人與自然和生產力與生產關系的橫向結構、人和社會經濟形式以及生產力與生產關系內部層次的不同歷史形態的縱向過程，然後歸結到人口、物質、精神三種生產的共時性結構和歷史性過程，明確人類社會正處於物質生產時代與精神生產時代的過渡時期;最後根據人類所處的時代的特徵和中國社會主義社會的特點，指出中國社會主義初級階段建設應有的指導原則、基本指針和發展戰略。
  10. Abstract : based on the analysis of the physical structure, operati ng principle and dynamic characteristics of the power unit of an excitation cont rol system, a model of this power unit is firstly established with bond graph app roach. the operation of this unit in both normal and abnormal conditions is simul ated on the platform of matlab with simulink. this simulation results have compar ed with the real operation behaviors

    文摘:在對同步發電機自並勵系統功率單元的物理結構、工作原理及動態特性進行分析的基礎上，建立了勵磁功率單元分散式物理圖網模型，並在matlab的simulink平臺上對勵磁功率單元正常和幾種故障情況下的工作進行了模擬研究，並與實際工作情況進行了比較
  11. According to structural characteristics of multi - phased alloy steels and the properties of ultrasonic propagation, microstructures characterization with different heat treatment processes ( normalizing, quenching / annealing, quenching plus low tempering, quenching plus high tempering ) for three steels ( 40cr, 38crmoal, gcrlssimn ) was studied experimentally by using ultrasonic methods. ultrasonic velocity, relative attenuation coefficient, and power spectral analyses were researched on the same samples respectively, on the basis of theory and experiment, the sensitivity and other characterizations of the three methods used to distinguish different microstructures were compared

    根據具有多種相結構合金鋼不同熱處理轉變產物的組織特點，以及超聲波在其中的傳播規律，利用超聲波速度、相對衰減系數以及功率譜分析三種方法，對三種鋼（ 40cr 、 38crmoal及gcr15simn ）不同熱處理（正火、淬火退火、淬火+低溫回火及淬火+高溫回火）轉變產物的顯微組織進行了超聲表徵研究。
  12. In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr

    流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關，為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射與染色體不分離關系及其機制，本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象，用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響，用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。
  13. Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session

    工程制圖一直被認為是一門實踐性學科，其整合了幾何學、建築、力學、電子制圖等，從而將理論與現實圖像聯系起來，工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常，即使在開放與遠程教育環境中，工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性，一些學習者可能難以想象並解釋這些圖像.然而，尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖，例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法，以及應用與練習等階段.在導論階段，系統為學習者提供了專題簡介，然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后，系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟，學習者也能重復觀察任何剖面.另外，還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後，為了評價學生的理解能力，在每部分內容後面都附有相關的練習
  14. Abstract : wind tunnel experiments were carried out to investigate the influence of wind direction on the wind pressure of proximite buildings. mean and fluctuating pressure coefficients on a high building, at sixteen different wind incidences and with one and two interfering buildings, were measured in the tests. this paper presents the characteristics of wind pressure on the building, which varies with the incident wind angle and with the numbers of adjacent buildins. due to the variation of wind angle and the interference effects, the complex feature of pressure distributions can be found on the downstream building surfaces for building group arrangement at certain angle of wind attack. some area of the interfered building for such configuration, in comparison with one single building ' s, may undergo very strong positive or negative pressures

    文摘:通過風洞實驗研究了風向對兩個和三個鄰近建築風壓分佈的影響特性.實驗結果給出了在不同風向角下，作用於受擾建築上的平均和脈動風壓系數.當受擾建築處于下游位置時，建築之間的干擾效應主要表現為遮擋影響，建築物上的總體風壓系數不是很大，但在建築物表面上有時會產生局部較大的負壓系數.另外，在某些風向角下由於受到上游分離氣流的影響，在下游建築的局部表面又會出現較大正壓.這些結果可供建築布置和結構設計時參考
  15. In order to eliminate the beam - hardening artifacts, most current correction algorithms have to assume that the x - ray beam spectra are known and the mass attenuation coefficients of the detected object related to different energy are given

    目前的多數射束硬化校正演算法需假設已知ct系統的x射線能譜，並已知構成被測物體的物質關于不同能量的光子的質量衰減系數。
  16. Directed under the organismic dialectical metatheory, we made a model. path analysis revealed the model reasonable, and found the mediation of motivation in the creativity really. we further explored the path of each situational factors, and found different factors are characteristics with different psychological needs ; the degree of different kinds of needs satisfied is not consistent with this kind of motivation ; the satisfaction of needs inmprove the non - material extrinsic motivation ; the need of self - determination is a core factor ; the relationship of intrinsic and extrinsic motivation is positive correlated

    利用結構方程的探索性功能進一步探討具體的組織情境因素產生影響的路徑，結果發現不同的組織情境因素以滿足不同類型的心理需要為特徵；不同類型心理需要的滿足程度與該種類型的內部動機追求並不一致；心理需要的滿足對非物質形態的外在動機產生促進作用；自主需要的狀況是影響創造性活動的核心因素；在創造性活動中內部動機與外部動機呈現顯著性的正相關，兩者間的關系不是共存與中文摘要對立這么簡單。
  17. And in addition, the paper explores the aspects of internal fluctuation, which is viewed as the random choices of the cognitive subject, how it is depend on the initial conditions and is enlarged by the method of positive feedback with step by step on the views of the nature, material outlook and thought modes. what ' s more, under the controls of the nonlinear interactions, the paper respectively explores the development principle in the culture of technology and science between the west and the east on the aspect of attractors and the order parameters, which result from the cooperation and competition. finally, the paper correctly formulates the different value preference in accord with the attractors and the order parameters, and focuses respectively on the traditions of the eastern pragmatic preference and the western contemplative preference and technological preference

    在此基礎上，從東西方科技文化的發生和起源入手，從耗散結構的觀點出發，考察了認知主體的隨機性選擇這種文化的內漲落因素，是怎樣依託于各自不同的初始條件?地理氣候條件，在自然觀、物質觀和思想模式方面一步步得到正反饋式的放大;進而，在文化系統內部種種非線性的相互作用下，從競爭和協同所必然產生的序參量和吸引子兩個方面，分別考察了東西方科技文化不同的發展規律，聚焦東方的實用化取向和西方的思辨化、技術化取向的影響機制，從它們在不同時期所發揮的不同作用正面回答了「李約瑟難題」 。
  18. Considering the randomness of physics parameters of structural material, geometric dimensions, damping, loads and closed loop control voltage respectively or simultaneously, the analytic model of the stochastic structure under random forces are built. the solving methods are proposed. the computational expressions of the numerical characteristic of the structural dynamic response are developed

    2 、考慮壓電智能桁架結構物理參數、幾何參數、結構阻尼和外荷載、閉環系統控制電壓分別或同時為隨機變量，構建了結構在隨機力作用下的動力響應分析模型，提出了求解方法，推導出結構動力響應隨機變量的數字特徵計算表達式，通過算例驗證了所建模型和所提求解方法的正確性和有效性。
  19. In july 1998, the ieee standardization group selected the ofdm modulation technique for their new ieee802. 1l a standard, targeting data transmission from 11 up to 54 mbps. meanwhile, this new ieee standard is the first one to use ofdm in packet based communications. ( before the proposal of this standard, use of ofdm was limited to continuous systems ) in this paper, the author firstly presents the technical characteristics and the typical application of wireless local area network ( wlan ), analyzes its topology structure, the network configuration and etc. then the author illustrates the media access control and the operation and frame structure of physical layer

    1998年7月， ofdm技術正式被ieee標準組確定為ieee802 . 11a物理層調制方法，使得無線局域網數據傳輸速率由11mbps提高到54mbps ，性能得到明顯改善。同時該標準是第一個將ofdm技術應用於包傳輸通信中的ieee標準（在該標準提出以前， ofdm的使用通常局限於連續傳輸系統中） 。本文中，作者首先介紹了無線局域網的技術特點和典型應用，分析了其拓撲結構、網路配置功能等。
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