模殼板 的英文怎麼說
中文拼音 [mókébǎn]
模殼板
英文
form boarding-
3 ) in shell of hyriopsis cumingii ( lea ), the prismatic layers and the nacreous layers are all composed of aragonite minerals, and aragonite crystallites in prismatic layers show obviously preferential orientation of [ 012 ] axis perpendicular to the shell layers, so it is considered that the orientation of aragonite crystallites in prismatic layers perhaps play an important role in deciding the orientation of aragonite crystallites in nacre and acts as one of template to resulting the formation of aragonite with [ 012 ] orientation perpendicular to nacreous layers in nacre
3 )與海水貝殼明顯不同的是,三角帆蚌稜柱層礦物相與珍珠層一樣皆為文石相,同時查明稜柱層中文石晶體具[ 012 ]軸垂直殼層面的明顯的擇優取向。本文認為,三角帆蚌稜柱層中文石晶體的擇優取向可能對珍珠層中文石晶體的擇優取向存在模板導向的作用,導致珍珠層[ 012 ]定向的文石晶體的形成。This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure
本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。Then, after the circuit is placed wholly into margin within the case of gyroscope, electromagnetic interference which affects circuit itself is analyzed, designing for board level electromagnetic compatibility is discussed, approaches with which reducing electromagnetic interference are bring forward, at same time, the request of every circuit routing is required, and a part of circuit layout is improved
其次,分析了電路安裝在陀螺殼體內后的電磁干擾對電路本身的影響,探討了電路板級的電磁兼容性設計,提出了減小電磁干擾的途徑,在此基礎上提出了電路各模塊的布線要求,並改進了部分電路布局。A physical model for describing the fault movement along plate boundary is proposed, i. e., the crust movement along plate boundary equals to the relative rigid plate motion plus negative dislocation distributions on the fault planes
提出了一種描述板塊邊界斷層運動的力學模型,即將板塊邊界的地殼運動表述為板塊的相對剛體運動加邊界斷層面上的負位錯分佈。A conservative motif, recognized by proteinases of potato virus y, was inserted between nib and ppiv, which will release functional ppiv from the fused protein after infection by potato virus y. then, plant expression vector pnpa was constructed by ligating the fusing gene and pbi121, which is knocked out gus gene
以馬鈴薯y病毒的復制酶( nib )基因為模板,通過聚合酶鏈式反應獲得nib基因,並在nib基因末端保留了在病毒基因組中nib與外殼蛋白( cp )基因相銜接的保守序列。Railway fixed equipment. equipment assign for connecting plates - supports and cases of modulars equipment. engineering and designing rules
鐵路固定設備.連接支撐板和模塊化設備殼體的設備.技術和設計規則Construction of the formwork and preparation of the metal reinforcement for shells required particular care and accuracy because of their limited thickness.
由於殼體的厚度有限,殼體的金屬能加工制備與模板建造需要特別細心與精確。To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起重機焊接捲筒極限壁厚研究」 ,針對起重機捲筒傳統設計方法偏於保守的情況,以薄殼理論和近代力學為基礎,以現代試驗技術為研究手段,對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究,在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上,提出了有別于傳統方法的捲筒強度、穩定性計算方法。These four ship ' s class societies all use two holds length finite element modal near the central section. they mesh the finite element modal mainly according to the distance of longitudinal frames, we call this fine mesh finite element modal. the elements in the modal are mainly shells and beams
這四家船級社相同之處是都採用了船舯附近的兩艙段長的有限元計算模型,有限元模型單元的劃分主要依據縱骨間距和肋距,即所謂的細網格模型,結構單元以板殼單元和梁元居多。Bringing into play the communication market resources in hangzhou bay, the park devotes itself to the formation of a “ mobile valley ”, which means a unique zhejiang - flavored economic pattern : forming a complete telecommunication industry chain from software and operation development of key parts, such as ic chip, rf modules, base band, display, high capacity battery, to related components like cell phone housing, keypad, antenna, vibration motor, mould, pcb ( circuit board ), photoelectricity device, electronic device, connectors and system and software development, and operation service development
園區依託杭州灣通信市場資源,致力打造「移動谷」 ,創造中國浙江經濟特有的專業版塊模式:從集成電路晶元、 rf組件、基帶、顯示器、高能電池等核心器件到接手機外殼和按鍵、天線、振動馬達、模具、 pcb (電路板) 、光電器件、電子器件、連接件等相關組件及系統和軟體開發、運營服務開發,形成完整的通信產業鏈。The research object in this text is the actual project - - the mansion of yatingyuan ( 40 layers above the ground, 125. 4 meter high ). the structure - design is by satwe and the analysis of the structure dynamic characteristic and earthquake response by sap2000, whose calculation models are set up according to the actual size of the structure. in satwe, the analysis model of beam and column is simulated by frame - element, slab is plane - element, shear - wall is wall - element and slab is infinitely rigid in the internal and zero in the external ; in sap2000, beam and column is frame - element, slab and shear - wall is shell - element and slab is elastic floor
本文以實際工程項目? ?雅庭園商業中心大廈(地面以上40層,建築總高度為125 . 4米)為研究對象,結構設計採用satwe ,結構的動力特性和地震反應分析採用sap2000 。結構satwe和sap2000分析的計算模型均按結構的實際尺寸建立, satwe分析模型的樑柱採用桿元模擬,樓板用薄壁殼元模擬和剪力墻用墻元模擬,樓板平面內無限剛、平面外剛度為零; sap2000分析模型的樑柱採用桿元模擬,樓板和剪力墻用殼元模擬,樓板為彈性板。Main conclusion and content of this paper is as follows : ( 1 ) the research methods of modern crustal motion from rigid body to elastic and fluid body are generalized systemically, and its progresses are reviewed ; furthermore, the insufficiencies and unsolved questions of geological method researching modern crustal motion are presented, and gps techniques play an important role in the research of modern crustal motion
研究成果和內容具體包括: ( 1 )系統歸納現代地殼運動研究方法從剛體領域轉變為彈性體和流變體的研究,並評述其研究進展;闡述了地質方法研究現代地殼運動的缺陷及其存在問題,指出gps技術在現代板塊構造運動研究中扮演重要角色。 ( 2 )研究和完善現今板塊運動學模型。A port tyre crane has various parts and complex structure, which is made up plenty of beam - bar and shell elements, manual calculation can not guarantee the precision while finite element method needs onerous structure modeling and a great deal of date input. the finite element analysis and modeling of the port tyre crane are difficult because of complex structure and various loads. in order to fit further more design and exploitation of the same type as well as the upgrade of the production i study a kind of parametric software for structure analysis of the port tyre crane, it can reduce the difficulty of modeling and structure analysis as well as improve efficiency
港口輪胎式起重機部件繁多、結構復雜,由數目眾多的梁桿與板殼組成,其結構設計和力學分析使用傳統的手工計算方法難以保證精度,有限元方法則需要繁重的結構建模和大量的數據輸入,並且要求分析人員具有相當的力學知識和有限元基本理論。港口輪胎起重機結構的復雜性、載荷工況的多變性導致港口輪胎起重機結構有限元建模和分析工作效率低、難度大。針對這種情況本課題研發了一套港口輪胎式起重機結構的有限元參數化分析軟體,以適應同類機型的進一步設計開發和產品升級換代,降低建模和分析的工作難度,提高工作效率。Considering the state - of - the - art of such kind of structural system, the author gives a simulative analysis of the system with the feiyunjiang bridge in wenzhou zhejiang province as an engineering example using three methods : 3 - d beam or bar fem, classical plate / shell fem and virtual laminated element method. the virtual laminated element method may deals with many key issues in simply - supported - continuous system easily such as the matter of actual material or virtual material, mesh replacement
針對國內外對先簡支后連續結構體系的研究普遍缺乏深度這一現狀,我們以浙江溫州瑞安市飛雲江大橋引橋為工程背景,運用空間梁桿系有限元、經典的板殼單元法以及虛擬層合單元法對該體系進行了施工模擬分析。The results showed that in the process of in - situ precipitation cs precipitated layer - by - layer in the template to form 3d layer cs congealation rod by acid - base neutralization of naoh and the amino group of cs. when the process condition was well controlled, it formed homogeneous structure
結果表明:原位沉析法是利用naoh溶液與殼聚糖的氨基起酸堿中和,使殼聚糖分子在模板上原位沉積成三維層狀殼聚糖凝膠棒。The relations between hartmann measuring data and calculating data are presented with stress - birefringence. temperature increments and phaseshifts of working caf2 window and sampling fluoride glass window are measured. during experiments, the simulating cavity is designed, on which the sampling plane and spherical window are fixed
推導了有應力雙折射時hartmann測量數據與計算數據之間的關系,測量了工作caf _ 2窗口和樣品氟玻璃窗口的溫升和附加相移,設計了模擬腔,將樣品氟玻璃平板和球殼窗口加在模擬腔上進行實驗。Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells
本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級,分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響,為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。In order to solve the problem of the difficulty for the complicated shell in stripping away from the mould, the technical trait of the complicated shell has been analyzed, the twi - ejector using stripper plate and ejector sleeve has been designed, the mould operational principle and the structure trait have been discussed, and the die casting machine has been selected based on the swelling force calculation
摘要針對復雜殼體壓鑄件難以脫模的問題,分析了復雜殼體的工藝特性,設計了卸料板、推管二次推出壓鑄模,論述了模具工作原理和結構特點,並且通過脹型力的計算選擇了壓鑄機。Pole, thin plate, thin shell in the electromagnetic elastic system, etc. when there is no machinery to restrain, the system has an unstable movement mode at least, and while exists restrain, after up to a certain critical value in electric current or the magnetic fielding, buckling must take place in the system
電磁彈性系統中的桿、薄板、薄殼等,當沒有機械約束時,系統至少存在一個不穩定的運動模態,而存在約束時,當電流或磁場達到某一臨界值后,系統將發生屈曲。The second example is to study the problem of shape control for the composite plate structure. finally, the plate and shell test pieces are designed and manufactured using rtm. they all are expected as the base of the research on adaptive blade with piezoelectric actuators
本文給出了碳纖維復合材料板和殼試驗件製作工藝方案;在進行了模具的設計與製作、樹脂選取后,採用二維編織技術,利用rtm工藝完成了試驗件的製作。分享友人