等角特性 的英文怎麼說
中文拼音 [děngjiǎotèxìng]
等角特性
英文
conformal property- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 角 : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。Taking the silicon diode as an example, through an analysis of the diode ' s current - voltage characters and the avometer circuit, the writer finds out the reasons for the differences in the amount when measuring the positive direct current equivalent resistance with different ohm grades
摘要以硅二極體為例,從二極體的伏安特性及萬用表內部電路的角度,分析了用指針式萬用表的不同歐姆檔位測量二極體的正向直流等效電阻時,其值緣何不同。We have been closely cooperated with beijing institute of technology, one of the most prestigious university in china, and co - developed ion vacuum plating technique, multi - arc tin coating technique and twin - eccentric automatic fuel supply advancer in the recent years successively, and acquired many patents. the sag and scda series fuel supply advancer manufactured in one of our branch company : has adopted the advanced twin - eccentric blocks structure, thoroughly changed the traditional structurearc block, sliding block. the angle of advance is very accurate and precise, also perfect at position resume
由本總公司提前器廠生產的sag scdm兩大系列供油角度自動提前器,改變了目前提前器市場上的傳統結構,用先進的雙偏心式結構,代替了二十年一貫制的弧形塊滑塊式結構,具有提前角特別靈敏,恢復性好,怠速運轉無噪音等優點,克服了提前器擺動大漏油等常見缺陷。The influence of coal characteristic indices such as caloricity, ash content, and water content on the coal handling system is discussed in the aspects of economy and reliability
從經濟性和可靠性角度分析探討了煤的發熱量、灰分、水分等衡量煤質的特性指標對輸煤系統的影響。The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established
論文首先在分析空間嚙合原理基礎上,採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably
而攀援植物本身是一類理想的植物行為生態學研究材料:第一,攀緣植物由於受攀緣能力和支柱木資源的限制,在生長過程中通常要遇到強烈變化的環境條件(特別是光照) ;第二,攀緣植物中具有較高比例的雌雄異株類型,通常佔地區攀緣植物種類的30 40左右,不同性別的植物在形態學及生物學特性、經濟價值等方面存在一定的差距,因此,本文以雌雄異株攀緣植物栝樓( trchosahtheskirilowiimaxim ) (葫蘆科多年生草質藤本植物)和山藥( dioscoreaoppositathunb ) (薯蕷科薯蕷屬植物) 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical ( l ) roem ] (葫蘆科一年生攀緣草本植物)為材料,試圖從生理生態學及生殖生態學角度揭示攀援植物如何適應不同生境及其機理。Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。The paper also does some deep research on the mesh characteristic of the mechanism, analyses the cause o f the cam profile error and index error during working, using object - oriented method, vc + + and pro / toolkit, performs second development to pro / engineer, completes entity proplasm of the cam mechanism using only few parameters, the press angle calculate module, error analysis module and curvature calculate module are built on the basis of it
然後通過對弧面分度凸輪加工中產生廓面誤差及工作時產生分度誤差原因的分析,建立了計算加工和分度誤差的數學模型。應用vc + +和pro toolkit對pro engineer進行二次開發,建立了弧面分度凸輪機構的參數化設計和三維造型及壓力角、誘導主曲率等運動特性和誤差分析軟體系統。In current practice, array parameters are usually calculated according to the strength and types of interference wave, frequency characteristics, and azimuth, whereas the effect of array center is often ignored, and simply view the graphic center as array center
指出現在施工設計中,組合參數的確定主要圍繞干擾波、頻率特性和方位角等方面進行論證,忽視了其組合中心的確定。Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion
文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性(包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈) ,通過比較三種形狀位相元(等邊三角形、正方形和正六邊形)的遠場光斑特性,得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。From such different angles as philosophy, economics, politics, sociology and psychology, i analysized students " problems in ideals and convictions and the reasons, from which we may infer that the characteristics of market economy, the practice of reform and opening policy, the changes in international polictic situation, process of economic globalization and misconstruction in college education have brought about great impact and complex influence towards college students " ideals and convictions
本文從多方面對大學生理想信念方面的問題進行了分析,並且從哲學、經濟學、政治學、社會學、心理學等角度探討了問題產生的原因,認為市場經濟的特性、改革開放的實踐、國際政治局勢的變化、經濟全球化的進展、高校教育的誤區等,都給大學生的理想信念造成嚴重沖擊和復雜的影響。( 6 ) in this paper. adopting fea software ansys to simulation and analysis the al ecap process. in order to spread out studying of ecap in the future. the results show : die comer angle, the radius of round angle, the friction coffience of workpiece and die, the properties of die ( elastic modulus, possion ratio ) et al, have some degree impact on the deformation of materials
( 6 )採用有限元( fea )分析軟體ansys對al的擠壓過程進行ecap模擬與分析,為后續研究工作做好鋪墊,分析結果表明:外切角、圓角半徑、試樣與凹模之間的摩擦系數、凹模本身的特性(如彈性模量、泊松比等)等等,對材料的變形量都由不同程度的影響。Now some universities and institutes of china have made some samples of the lunar rovers and theirs wheels, but until now the wheel ’ s mechanical performance is seldom researched and tested. this paper will analyze the mechanical performance of the wheel and design a test - bed to test the performance of the lunar rover ’ s wheel. firstly, the mechanical characters of the soil are separated to press - sinkage character and shear character based on bekker ’ s theory, and common press - sinkage and shear models are introduced and the theory of lankine passive earth pressure is also introduced
根據bekker半經驗法的基本思想,將土壤的力學特性分解為水平方向的剪切特性和豎直方向的承壓特性,闡述了地面力學中常見的土壤的承壓、剪切等力學模型,並引入了朗肯被動土壓力理論,為建立車輪在松軟土壤中前進和轉向的力學模型奠定了基礎,同時進行了實驗土壤的剪切實驗,測量了土壤的內聚力和內摩擦角等參數。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。In this dissertation, according to the theory of mechanical dynamics and multi - body dynamics, a simulation model of nj2046 light off - road vehicle including suspension system, steering system and tires is built with the software carsim and so the vehicle steering characteristics are analyzed with the step angle input of steering wheel. it is found that the steering characteristics are different when the velocity and load are different, and the relationship between steering characteristics and velocity and load is presented
本文根據機械繫統動力學、多體動力學理論,運用動力學模擬軟體carsim建立了包括懸架系統、轉向系統和輪胎等模型的nj2046越野汽車整車模擬模型,在此基礎上分析了nj2046越野汽車在方向盤轉角階躍輸入時的轉向特性,通過對不同車速、不同載荷條件下的模擬計算,得出了在這些條件下該車具有的不同表現特徵,揭示了轉向特性與車速、載荷和輪胎的內在關系。Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly. complicated shocks wave patterns is analyzed. several factors concerned such as high - speed spinning, attack angle, base bleed and so on, are studied
本文首次完成了高速旋轉彈丸側噴三維干擾湍流流場的數值模擬,分析了彈丸側噴流場復雜的波系結構,研究了高速旋轉、攻角、底噴等因素對彈丸側噴流場的影響規律,深入分析了旋轉側噴彈丸的空氣動力學特性。The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal
為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響,模擬和分析分為以下四個部分:首先,研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性,而對于兩航天器軌道共面的情況下,初始相位角相等時則獲得最佳的機動效果。The recording characteristics of the material are discussed in detail in terms of sensitivity, diffraction efficiency, bragg angle, refractive index modulation ( an ) and so on
通過在材料中記錄無傾斜光柵,研究了該材料的全息存儲特性(包括衍射效率,靈敏度,動態范圍,折射率調制度,角度選擇性等) 。There are four main parts in the paper, i. e. first of all, the dissertation studies the steady - state performance of repmsm with the theory of vector graph and equivalent electro circuit. characteristic of power angle, determinant of static of motor moving, losses and armature reaction are analyzed in this part
論文研究稀土永磁同步電動機的穩態性能,結合向量圖和等值電路理論對稀土永磁同步電動機穩定運行進行了深入細致的分析,包括功角特性,電機運行狀態的判定,損耗和電樞反應等稀土永磁同步電動機自身具有的特點。The paper first studies tratisiiiittcd power versus transmission angle characteristic, capability to exchange active power and immunity to resonance of static synchronous series ( ompensator ( sssc ) bascd on its stcaty model, and discusses tho capability to control activo and reactive power
論文首先基於靜止同步串聯補償器( sssc )的穩態數學模型,對sssc的功角特性、交換有功、抑制次同步諧振等方面進行了分析研究,探討了sssc的潮流控制能力。分享友人