線狀分子結構 的英文怎麼說
中文拼音 [xiànzhuàngfēnzijiēgòu]
線狀分子結構
英文
filiform molecular structure- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 狀 : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
- 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
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 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...
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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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。In this paper we studied the intercalation behavior of a new host matrix of x = l of zirconium proline - n - mtthyl phosphonate - phosphate ( a - zpmpp ), we successfully introduced butylamine heptylamine decanylamine ethanolamine diethylenetriamine ( 2e3a ) triethyleneteriamine ( 3e4a ) and tetrathyleneoctamine ( 4e5a ) guest molecules into a - zpmpp interlayer space. the intercalation complex were characterized by ir spectrum x - ray diffraction and tg - dsc thermal analysis, it has been found that a - zpmpp possess different intercalation behavior from a - zrp. because of the bulk of proline group, it affected the amount of guest molecule, mono - alkylamine form mono - molecule layer in the interlayer space, butylamine, decanylamine and ethanolamine form mono - layer and the carbon chain form 90 degree ordered assembly with the zirconium floor of a - zpmpp, every host molecule absorbed 0. 5 guest molecule
本文報道首次以x ? l的層狀(脯氨酸十一甲基磷酸一磷酸氫)鉛( a zpmpp )為主體底物,成功地將客體分子:正丁胺、正慶胺、正癸胺、乙醇胺、二乙烯三股、三乙烯四胺、四乙烯五股插入層狀化合物a zpmpp的層間,通過紅外光譜( ir ) 、 x射線衍射( xrd ) 、熱重分析( tg dsc )等手段對插層復合物進行結構表徵,結果表明: x ? l的層狀(脯氨酸件一甲基磷酸一磷酸氫)鉛具有不同於無機磷酸結的插層性能,由於層間脯氨酸基團的體積較大,影響客體分子進入的數量,胺分子在層板間取單層排列。The shape factor is less for rounder or streamlined objects than for irregular or sharp-edged structures or elements.
對圓形或流線型的物體來說,形狀圖子要比不規則的或稜角分明的結構物或部件小得多。This study was focused on the occurrence characteristics of the cryptomelane - bearing ores and the mineralogical characteristics of natural cryptomelane. the morphology, chemical and structure features of natural cryptomelane were characterized by means of powder x - ray diffraction, scanning electron microscopy, electron probe microanalyzer, energy dispersive spectrometer and x - ray fluorescence
利用x -射線粉晶衍射掃描電鏡電子探針電子能譜和x熒光光譜對天然錳鉀礦的形貌特徵化學成分結構特徵進行研究,結果表明天然錳鉀礦晶體形態主要為針狀纖維狀,沿A trend of photo - induced electron transition from p - type pc to n - type organic semiconductor was strongly supported by the data of sps and fisps measurements, the wire - like configuration of the tio2 tubule nanostructure benefited the electron - transport thereby improved the efficiency of the disassociation of the photogenerated carriers
表面光電壓測試結果表明,復合材料中存在著強烈的從p -型酞菁材料到n -型氧化物半導體材料的光致電荷轉移。而且tio _ 2的納米管和線狀結構提高了電子的傳輸效率最為明顯,使光生電荷的分離得到顯著改善。The temperature from amorphous to crystal of tungsten oxide sol - gel films with catalyst is increased and the reason is in studying. as results of tunnel scan - afm, both pt sputtered tungsten oxide films and pt sputtered tungsten oxide sol - gel films there is distinct and out - of - order parallel line structure on the surface of amorphous. molecules of the sample tend to tetrahedron and the former has more planarer structure
隧道-原子力顯微鏡測試結果表明:非晶態時,磁控濺射摻鉑薄膜樣品表面和溶膠凝膠摻鉑樣品表面都有明顯的平行線狀結構,長程無序,分子趨於四面體結構,只是前者比後者表面較平整;晶態時,磁控摻鉑樣品在自然生長面上原子呈平面分佈,長程有序,溶膠摻鉑樣品則呈wo6面心結構。According to the fact that power factor of low voltage power networks is very low in china and field bus technology is developing in the world, in order to enhance power factor of low voltage power networks, on the basis of central transmitting and controlling information among every compensation equipment, the author of this dissertation studies systematically the design principles of power factor dynamic compensation system. based on analyzing structure of control system at present, the author of the dissertation puts forward a distributed completely and multi - layer structure framework based on field bus technology and builds a power factor intelligent dynamic compensation system. the functions of compensation unit, intelligent node, host computer, are presented
根據目前低壓電網用電負載功率因數偏低和國內外現場總線技術的應用現狀,立足於提高交流電機的功率因數,基於將每個補償裝置進行集中監控、信息集中傳遞的思路,本文作者在分析現有的控制系統體系結構的基礎上,提出了基於現場總線技術的全分散式多層控制系統的體系結構,構建了功率因素智能動態補償系統;對補償執行單元子系統、智能節點子系統、上位機子系統三部分進行了功能分析。This paper suggests that the integral of the state equation is evaluated directly through the exponential matrix based on the pim, thus several series solutions are obtained. utilizing the symmetry of matrices and the idea of substructure, the computational precision and efficiency of the pim are improved
本文深入研究精細積分及動力方程演算法,基於指數矩陣計算、 pade逼近理論,在時域上對非線性動力狀態方程直接積分求解,構建若干系統響應求解格式,並分析了演算法精度、效率;通過矩陣變換,利用矩陣對稱性、子結構等方法改進精細積分計算效率。The theory of chaos and fractal have are widely applied on economics and finance field since the 70 ' s last century. talking about our country ' s studies on this way, as whole, these studies as followed have been doing, recognizing of system chaos, looking for chaos attractors, researching fractal structure to time series curve, prediction and control to chaos system etc. all those studies need deal with the estimation of the fractal - dimension
分形與混沌作為非線性科學中兩個重要組成部分,從上世紀七十年代起在經濟、金融研究中得到廣泛應用,就目前我國在這個領域的研究現狀看,其應用研究主要集中在系統的混沌識別,混沌吸引子是否存在,時間序列曲線分形結構的分析,混沌系統短期預測與控制等問題上。In the second, in allusion to non - stationary the characteristic of the signal, the author introduces to the method that using empirical mode decomposition to analysis the vibration signal so that the signal are made up of some intrinsic mode function, after this process, we can use stochastic subspace identification to identification the mode parameter of the structure and find the same work frequency
其次,針對氣閥振動信號的非平穩特點,本文採用了經驗模式分解法( empiricalmodedecomposition )對振動信號進行分析處理,使之成為若干個基本模式函數imf ( intrinsicmodefunction )和一個殘余量的線性組合。接著採用隨機子空間參數識別法對各個基本模式函數其進行結構參數識別,同時找出各種狀態的共同工作頻帶。For xlpe insulated power cable, either chemical method or physical method is employed to transform the molecular structure of pe from chain into three - dimensional network, i. e. thermoplastic pe is transformed into thermosetting xlpe. after cross - linking, the thermal and mechanical properties of pe have been greatly improved while its excellent electrical property are still retained
交聯聚乙烯絕緣電力電纜是採用化學方法或物理方法,使聚乙烯分子由線形分子結構轉變為三維網狀結構,由熱塑性的聚乙烯變成熱固性的交聯聚乙烯,從而提高了聚乙烯的耐老化性能、機械性能和耐環境能力,並保持了優良的電氣性能。Firstly, considering the molecular pump is small and the elimination of heat condition is bad, this paper presents the structure of the mb, including the material of the rotor and stator, the number of magnetic poles, the stator slot shape of mb, the layout of the magnetic poles, the coins winding and so on
首先綜合考慮了分子泵體積小、磁軸承散熱條件不好的特點,設計了分子泵磁懸浮軸承的結構,選擇了軸承鐵芯的材料,設計了磁極的布置、槽的形狀、磁極數目和線圈纏繞方式。Tem reveals that the complex possessed good dispersibility in the system and the status varied reversibility with the ph value and the size of the complex is within 20 ~ 40nm. the complex was characterized by ft - ir, uv - vis, fluoresence and electrical conductivity methods. paa - ag nanospheres were also synthesized by coordination of polyacrylic acid and silver ( i ) ion and queued in line in lr
本論文還以低分子量的聚丙烯酸和硝酸銀為主要原料,通過控制體系的ph值合成響應環境ph值變化的聚丙烯酸銀納米微球和納米柱狀物,通過tem觀察尺寸達20 - 40nm ,用ir 、 uv - vis 、熒光、電導率法分析聚丙烯酸和銀的配位作用、所形成配合物的組成與結構,並將聚丙烯酸和硝酸銀置於「線性反應器」中進行配位聚合,合成出線性排列的paa - ag納米微球。It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper
本文從絕緣結構的故障機理入手,以絕緣結構故障的典型特徵? ?局部放電為研究對象,重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點;在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后,根據其缺陷,本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點;以電機軸承、氣隙偏心等故障為研究對象,通過對電機振動和轉速頻率的檢測,診斷電機的故障類型;本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中,力求使電機故障診斷更接近人工智慧化;最後,本文對電機狀態監測和故障診斷系統進行了硬體和軟體初步設計,為實現預測維修提供了有效的技術手段。In this thesis, the internal force and transfiguration of the double reticulated dome under different load combination are studied ; the linear and nonlinear analysis are separately performed ; compare the difference between space girder element and space truss element ; at last analyze the dynamical response under seismic action. the horizontal seismic response of double layer oblate lattice shell is analyzed by using step - by - step integration procedure. the effect of some parameters such as exterior load, different support conditions and damping ratio on the dynamic internal forces and dynamic properties is studied
本文旨在研究雙層球狀網殼結構在各種載荷組合下的內力和變形,分別進行了線性和非線性靜力分析;進行了空間梁單元和空間桿單元兩種計算模型的比較;最後進行了在地震荷載作用下的動力反應分析,動力分析中用子空間迭代法得出了這類空間結構的動力特性,用時程法中的振型疊加法分析了結構在水平地震作用下的動態響應規律。Agricultural land use is the foundation of sustainable agriculture and rural development. the contradiction between land and people in the hills of the central sichuan basin is quite intense. irrational land use leads to the humble effectiveness of agriculture economy and ecology. this paper began from the agricultural land use, after full consideration of traditional adaptive strategy of this area, based on the mathematical programming theory and relevant indexes, the sustainable agriculture and rural development planning model was set up
本研究選取廣安區代市鎮為研究試點,在充分考慮該地區農民傳統生存策略的基礎上,以經濟和生態效益最優化為目標,從農業土地優化利用和農業生態系統的結構調整出發,在實地收集資料和數據的基礎上,採用線性規劃方法對農業土地資源進行優化利用,通過excel軟體進行不斷調試和計算,比較分析了優化結果和現狀農業在經濟和生態效益方面的差異,並以資源的影子價格分析了規劃模型的穩定性。Based on the general conception of holography, the author analyzes the tourism region with a holographic view of human - nature relationship, and considers, in the core, the origination, development, transformation of tourism region system is a course in which the resources system is transformed to the economic system , to the cultural system, which demonstrates by the structure of tourism region objection system ? ? from the structure of tourism resources to the structure of tourism products , to the structure of the tourism markets , to the structure of tourism industries, and each step of transformation needs the input of anti - entropy from the subjection system ? ? the tourists, the tourism scholars, the tourism enterprising, the tourism media, the government and the local people who urge the region sustainable development. there are six chapters in the dissertation : in the first chapter, on the base of holographic view, the author constructs a holographic space which consists of one - dimensioned time, three - dimensioned space and multi - dimensioned system, which can supply for the study of variety and multi - perspective of tourism region subsystem, meanwhile originationable theory, fractal theory and down - to - the - earth theory are put forward as methodology, what ' s more, the author constructs the paradigm of the tourism region development as the frame of region tourism development. in the second chapter, with a holographic view, some concepts of tourism region system, both objection system and subjection system, are defined again, especially, the conception of tourism, tourist, tourism resources and tourism product, the author considers, it ' s only through information that can explain how the tourism derived and developed, what the tourist demands and utility are, and the relationship between the inner subjection system is regarded as mutuality
本論文結構共分6個部分:第一部分,從全息學的基本觀點出發,構建出由一維時間、三維空間和多維系統組成的全息空間,這為研究旅遊地域各子系統的多樣性和多角度性提供了理論的依託,並將元化思考、分形理論和紮根理論作為旅遊地域開發的主要方法論,構建出旅遊地域全息開發的思維範式,為旅遊地域的開發奠定了堅實的理論框架;第二部分,從全息角度對旅遊地域系統,包括客體系統和主體系統,進行全新的界定,尤其對旅遊活動、旅遊者、旅遊資源及旅遊產品的概念進行全新界定,認為只有從信息角度才能理解旅遊活動產生、發展以及旅遊者的需求和效用,並在旅遊地域開發關繫上提出了互為主體的觀念;第三部分,從空間角度對旅遊地域進行分析,認為旅遊地域是運動的,要素運動形成要素的結構變化,進而推動整個旅遊地域的運動,同時,旅遊地域運動還受到環境系統的制約和影響,筆者還對旅遊地域相互作用關系作了較為深入的研究,認為不同等級間和同等級間旅遊地域相互作用遵循不同的規律;第四部分,通過對旅遊地域周期理論的再認識,詳細分析了影響旅遊周期的因素,並提出旅遊地域全息周期的理想模式是logistic曲線;第五部分,筆者對旅遊地域的開發模式進行了總結,從主體角度提出了4種旅遊地域全息開發模式? ?資源主導型、學者主導型、企業媒體主導型和政府大眾主導型,並從環境系統對旅遊地域開發的影響程度出發,提出2種修正模式? ?微阻礙模式和重阻礙模式;第六部分,以安西縣為例,在全息分析安西縣旅遊地域發展狀況之後,強調旅遊產品的開發與設計是旅遊地域開發的關鍵,並運用全息的觀點對旅遊產品開發進行了實證研究。The structure of the composites was characterized by x - ray diffraction and transmission - electric microscope. the experimental results showed that the in - situ intercalation realized much finer dispersion of the silicate layers in the pvc matrix than the melt - blending intercalation. as for as the properties of the composites, the well - dispersed organoclay in the composites improved the properties of the materials, especially for the viscat softing temperature
本文主要通過x射線衍射、透射電子顯微鏡對復合材料的結構進行表徵,結果證明:原位插層復合材料中粘土片層基本剝離,均勻的存在於聚氯乙烯樹脂基體中;熔融插層體系中粘土的分散狀態明顯劣於原位插層體系,粘土以一定量片層堆積的形式存在。This method can guarantee the solution matrix of sylvester equation to be inverse and the sum of the input gain norm and the observer gain norm is the minimum. for the linear systems with unknown parameters, we identify the parameters using hopfield network, then design the observers using the identified parameters, the exponential convergence of adaptive observer is also proved. for the linear time - varying systems, a new network to solve the time - varying sylvester equation is proposed, we analysis it ' s convergence and robustness, then, deign the linear time - varying observer using this network model, and we discuss the convergence of the observer and ruboustness to unknown match parameters
同時保證了sylvester方程的解矩陣的可逆性和觀測器的增益矩陣與輸入矩陣范數的和最小;在設計線性時不變自適應觀測器時,首先利用系統的輸入、輸出數據設計一個hopfield網路參數估計器,進一步設計狀態觀測器,證明了參數估計器和狀態觀測器的指數收斂性;為了仍然從神經優化計算的角度設計線性時變系統的狀態觀測器,最後介紹了一種求解時變sylvester矩陣方程的神經網路模型,分析了它的收斂性和魯棒性,然後利用該網路設計時變狀態觀測器,進一步討論該觀測器的在系統存在未建模不確定和外部噪聲時的魯棒性;最後給出了一種基於分離性原理和hopfield網路觀測器的狀態反饋閉環系統的結構,分析了該閉環系統的特點;對于每一種設計方法都給出了相應的數值模擬例子來進一步表明所提方法的可行性和有效性。Firstly, the paper introduces the background and actuality of the exploitation, tells the whole system based on the vision has four component : the decision - making subsystem, the vision subsystem, the wireless communication subsystem and the robot vehicle subsystem. then, the function, structure, controlling model and using method of the robot vehicle subsystem are introduced. the structure and familiar problems of the wireless communication subsystem are analyzed
在對機器人足球的研究背景、現狀介紹的基礎上,對足球機器人系統的四個子系統? ?決策子系統、視覺子系統、無線通訊子系統和機器人小車子系統的組成結構及設計方法進行研究,討論了小車子系統的結構功能、控制模式和使用方法;對無線通訊子系統的組成結構和常見問題進行分析;詳細介紹視覺子系統的工作流程和mirosot比賽系統的視覺部分的操作方法;綜述介紹了幾種國際國內常用的決策子系統設計方法。分享友人