退化元 的英文怎麼說
中文拼音 [tuìhuàyuán]
退化元
英文
degenerated element-
After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil
實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明:土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層,與紫色土類型和利用方式無關;三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層,表明紫色土表層的有機質和通氣性優于亞表層,適宜於這三大類微生物生長;溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢,唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層,而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。Secondly the major mechanisms of degeneration of pcss are caused by both the filamentary nature of the current in high - gain pcss damage to the chip of the switch and the charge domain reached the anticathode causes the erosion of metal interface
開關退化的主要原因是:開關體內的絲狀電流對開關晶元的損傷;以及電荷疇到達陽極時來不及放電而產生的電荷擁擠現象對開關電極接觸表面的損壞。On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable
在此基礎上,採用多元線性回歸方法,以農民人均收入為因變量,人均農業用地面積、單位農業用地面積化肥使用量、第一產業總值佔gdp比例和土地退化指標(土地退化與否的虛擬變量、土地退化百分比和土地退化程度的序列變量)為自變量來分析。Experimental results show that the proposed method in this paper has better recognizing effect when dealing with depigmentizing, dirt, split, blurry and uniform - illuminated number and letter characters
實驗結果表明,該方法對車牌字元褪色、污跡、斷裂、模糊、光照不均等質量退化車牌圖像具有較好的識別效果。The department of neurology provides the service for all eurologic diseases including headache, epilepsy, degenerative diseases, parkinson disease, motor neuron disease, spinocerebellar degeneration, multiple sclerosis, meningitis, encephalitis, cerebrovascular disease, neuroimmune disease, toxic - metabolic, traumatic disease, cortical disorder, dementia and other neurologic disease
神經科醫療服務涵概所有神經疾病包括肌肉及末梢神經疾病、頭痛、癲癇、腦退化疾病、帕金森氏病、運動神經元疾病、小腦脊髓退化病、多發硬化癥、腦炎、腦膜炎、腦血管疾病、神經免疫疾病、中毒性代謝性及外傷性神經疾病、失智癥(癡呆癥) 、及其他神經疾病等。In this thesis we mainly study degenerate - times integrated operater families and its applications to abstract cauchy problems, and we study the mean ergodicty theorems and the convergence rates of ergodic limits and approximation for k - regularized resolvent families
本文我們主要研究退化( r ) -次積分預解運算元族及它對抽象cauchy問題的應用,並且研究k -正則預解運算元族的平均遍歷定理和遍歷極限的收斂率。Locking - free degenerated isoparametric shell element
無鎖定的退化的等參殼元Under the redd scheme, developing nations could earn billions of dollars through carbon trading by simply leaving forests, such as those in indonesia and the amazon and congo basins, untouched
按照減少伐林和林地退化造成的碳排放( redd )計劃,發展中國家可以僅僅通過讓其森林? ?諸如那些在印度尼西亞、亞馬遜和剛果盆地的林木? ?維持原狀就能賺取數十億美元。The seismic behavior of longitudinal middling - high r. c shear wall with frame column is discussed through model experimentations and finite element methods in this paper, after taking frame - shear wall structure of a main factory building of the large capacity power plant as experimentative prototype. the major work as follow : in order to appliance pseudo static test, the longitudinal middling - high r. c shear wall with frame column in the large capacity power plant ' s main factory building has been simulated to a model structure with 1 / 15 reduced - scale. the contents of study are process of cracking, course of damage, skeleton curve, rigidity degradation, ductility characteristic etc. that the seismic behavior of this kind of middling - high r. c shear wall is excellent has been proved by chubby hysteretic curve and fine capacity of energy dissipation
本文以某大型火電廠主廠房縱向框架一剪力墻結構為原型,通過模型試驗和有限元分析,研究了縱向帶邊框柱中高剪力墻結構的抗震性能問題,主要內容有:選用1 15縮尺比把某大型火電廠主廠房縱向帶邊框柱剪力墻原型結構模擬為一個模型結構,並進行了偽靜力試驗,研究了這類縱向帶邊框柱中高剪力墻結構的開裂與破壞過程、骨架曲線、剛度退化、延性性能等問題,試驗滯回曲線飽滿,消能能力強,說明此類中高剪力墻的抗震性能較好。2. a relevant formula of eight - node adhesive finite element is deduced in the paper, which is based on a separately interpolation scheme for reissner - mindlin plate element. a load capability analysis method for patched composite laminated structure is established by using tsai - hill failure criterion and thai ' s reduced stiffness scheme, and corresponding computer code is also developed
在任意四邊形四節點復合材料層合板殼單元的基礎上,推導了相應的八節點膠單元,並採用蔡-希爾強度理論以及蔡氏剛度退化準則,對復合材料層合板膠接補強結構進行剛度分析和極限承載能力分析,編制了相應的有限元分析程序。In order to solve the premature problem in strength optimization design of laminate, to combine the part - degenerate operator and adaptive operator is a good idea. poisson ' s ratio is a parameter which measures the volume - changed of objects
同時針對強度優化的具體問題構造合適的適應度函數,並且通過採用「局部退化運算元」和「自適應運算元」相結合的方法較好地解決了基本遺傳演算法中常見的早熟性收斂問題。The 16 - node degenerated iso - parametric element is proposed for the analysis of raft foundation with mid - thick plate. the stiffness matrix of single pile among the pile group can be founded assuming the total contact between the plate and the foundation. and the results of stress and deformation of plate, the force on pile and the settlement of pile bottom can be solved after the finite element disperse for the plate and the establishment of balance equation of pile - raft interaction
在引入16節點退化等參元的中厚板筏板分析模型的基礎了,假定筏板與地基間完全接觸,建立了群樁中單樁樁身剛度矩陣,繼而對筏板進行有限元離散得到樁筏共同作用的平衡方程,從而求解筏板內力、撓度、樁頂反力、樁端沉降等一系列結果。To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented
避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象,研究了連續體結構拓撲優化過程的拓撲分析方法,以及在計算機上實現的簡便演算法.根據代數拓撲理論,單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念,在計算機上實現了結構的拓撲描述及拓撲運算,得到了結構在拓撲演化過程中的拓撲特性,方法簡單、可靠.在一定的拓撲約束下,根據應力分析結果,採用刪除單元、單元退化、移動節點等方法,可以用較少單元得到更為滿意的結果,提高計算效率.為演示方法的有效性,給出幾個包括常見經典問題的解答Vertex operator algebra associated with nondegenerate solvable lie algebras
有限維非退化可解李代數的頂點運算元代數Secondly, by low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. at last we analyze the destroy principle and affection reasons of hollow shear wall of r. c with vertical seams in different height and loading measures, we also give the bearing capability calculation formulas and design advises for new type hollow shear wall of r. c
首先運用ansys有限元程序分析彈性階段水平外荷載施加后,帶豎縫鋼筋砼空心剪力墻板內應力分佈及變形情況,再在試驗數據的基礎上,研究低周反復水平加載條件下,各試件的強度、變形、能量特性;各試件的荷載特徵值;各試件的滯回曲線、骨架曲線;延性及剛度退化等參數;最後,分析了不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板的破壞機理和承載力影響因素,並給出不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板承載力計算公式及設計建議。A new nonlinear finite element model which applies subsystem connect beams element and space degenerate shell element to analyze eccentric braced structural energy - dissipation and links collapse mechanism is presented in this paper
本文提出了應用子結構法聯合梁單元與空間退化曲殼單元分析偏心支撐鋼框架耗能性能及耗能梁段破壞機理的非線性有限元分析模型。We also give out the notion of mild degenerate a - times integrated existence family, and prove that the wellposedness of the a - times abstract cauchy problems is equivalent to mild degenerate a - times integrated existence famliy generated by operator a where a satisfies with some conditions and degenerate a - times integrated semigroups mild generated by a. at last, we conclude the generation theorem of degenerate a - times integrated semigroups. and we prove that degenerate a - times integrated semigroups mild generated by a is equivalent to generated by a
我們也給出了mild退化-次積分存在族的概念。我們證明了, ( + 1 ) ( r ) -次抽象cauchy問題的適定性和閉線性運算元a在一定條件下, a的mild退化-次積分存在族以及a次生成退化的-次積分半群是等價的。最後,我們也給出了退化-次積分半群的生成定理。Similarly, we prove that the c - wellposedness of the a - times abstract cauchy problems is equivalent to mild degenerate a - times integrated c - existence famliy mild generated by operator a where a satisfies with some conditions and degenerate a - times integrated semigroups mild generated by a. finally, we obtain the generation theorem of degenerate a - times integrated c - semigroups. and we prove that degenerate a - times integrated c - semigroups mild generated by a is equivalent to generated by a
我們同樣證明了( + 1 ) ( r ) -次抽象cauchy問題的c -適定性和閉線性運算元a在一定條件下,其mild退化-次積分c存在族以及a次生成退化-次積分正則半群是等價的。我們也證明了退化-次積分正則半群的生成定理。Speaking in detail, for every specimen, we study the for of the cracking load, yield load and failure load ; the ductility property ; the property of hystersis curvs and keleton - frame curves ; the degree of initial stiffess and stiffness degadation. secondly, the two different suo nlgn use ltslaences , wmcn are ootll shear wsll sttllctlllt , are tab6n as instanop the shear ’ wsi is oin 卜 hot8qopo inww 田 l ! s ot 以 j 口 willo 地 勸 憂 地 epo o odod sqo8qopt solidndls ofr c l w means or0 卜 0nm elemem ana 吹 lsptwtodd ’ mlmwe m 加 柏 mm are d an 邑 以 胡 a ann compcomparen in severm es 叮 wsllcll as scu 一 陽 i 朗 l p 一 ndnd mdede so ess d laterm seimic e anu so on ’ inatty , tiep 訓 頒 oility of hollow shear wal of rc in d suo ra use reslaences s ant l
首先研究在低周反復水平加載試驗下試驗對象的強度、變形和能量的特性:開裂荷載、屈服荷載、破壞荷載;各試件的滯回曲線和骨架曲線;延性情況;初始剛度和剛度退化等參數:進而用satwe有限元程序分析對比了某一小高層剪力墻結構在採用空心剪力墻板和採用普通實心剪力墻作為墻體的結構受力異同點,在質量、主振型、剛度、水平地震效應等方面做了對比。Theoretical research based on the quasi - static test such as theoretical analysis in nonlinear finite element method, programs to shape function of isoparametric element of hexahedron with eight nodes and to stiff matrix of elements, application of resilience model in degeneration equation of elastic module of concrete goes along
在試驗基礎上進行了理論研究,用非線性有限元方法分析框架,編寫了六面體八節點等參元形函數、單元剛度矩陣等部分程序,將恢復力模型應用到混凝土彈性模量退化方程中。分享友人