點載重 的英文怎麼說
中文拼音 [diǎnzǎizhòng]
點載重
英文
point load-
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。This paper mainly aims at the characteristics of the hardware and software structure of the parallel computer on satellite, and has fulfilled researches of fault tolerant technique in three aspects of control theories and engineering : the first research of the system level fault - tolerant module is based on the system structure of the parallel computer on satellite, a kind of cold backup module and a kind of hot backup module for multiprocessor computer have been put forward. then the research of software fault tolerant technique which is based on the operate system named rtems has been carried, the mission level fault - tolerate arithmetic and the system level fault - tolerate mechanism and strategies based on the check point technique have been put forward, at the same time the self - repair technique of software which has used the technique of system re - inject has been studied. finally the technique of components level fault - tolerant based on fpga has been studied, a kind of two level fault - tolerant project which aims at the fault - tolerant module of the parallel computer on satellite has been put forward, and the augmentative of circuit that project design realization need is little, this project can avoid any breakdown of any part logic circuit of the fpga
本課題主要針對星載并行計算機體系結構及軟體結構的特點，從如下三個方面進行了容錯控制理論研究和實踐工作:首先進行了基於星載多cpu并行計算機體系結構的系統級容錯模型研究，提出了一種多cpu冷備份容錯模型和一種多cpu熱備份容錯模型;然後進行了基於rtems操作系統的軟體容錯技術研究，提出了任務級容錯調度演算法以及基於檢查點技術的系統級容錯恢復機制和策略，同時研究了利用系統重注入進行軟體在線自修復的容錯技術;最後研究了基於fpga的部件級容錯技術，提出了對容錯模塊這一星載并行計算機關鍵部件的兩級容錯方案，實現該方案所需增加的電路少，可避免板級晶元以及fpga晶元內部任何邏輯發生單點故障。Finally 4 right clones was obtained from 864 transformants by pcr detection. sequencing analysis showed that the hsa gene have been introduced into the right position of the human a - lactalbumin yac. furthermore, works to optimize the conditions of introducing the recombinant yac into goat f ibroblast via cell fusion was explorded
經pcr檢測，從864個轉化子中獲得了4個陽性克隆，測序表明，人血清白蛋白基因已正確的導入到人-乳白蛋白基因yac的特定位點上，並獲得了可進行細胞融合的重組yac載體。Klingelnberg cyclo - palloid spiral bevel gear has construction cramped, excellent transmission quality, low noise and loaded vehavior, it ’ s the main form of gear drives in the bevel gear ’ s technology field. it ’ s cyclo - palloid system, two - part cutter head and high power gears ( hpg ), has certain technology particular than gleason spiral bevel gear. systemic analysing the manufacture principle and meshing principle of klingelnberg cyclo - palloid spiral bevel gear, for accomplishing design theory and analysis method, for enhancement manufacture precision and loaded behavior, for promotion and applied in engineering field, have important theory value and actuality meaning. main work of the paper is tooth form emulation and tooth contact analyse of klingelnberg cyclo - palloid spiral bevel gear
克林貝格（ klingelnberg ）延伸外擺線齒錐齒輪結構緊湊、傳動性能優良、噪聲小、承載能力高，是錐齒輪技術發展的主要齒制，其連續切削法，雙層刀盤技術和硬齒面刮削法（ hpg ）相對于格利森制齒輪有一定的技術特點。系統的分析這種齒輪的加工原理和嚙合機理，對完善其設計理論和分析方法，提高加工精度和承載能力，在工程中推廣應用具有重要的理論價值和實際意義。Heliborne battlefield surveillance radar ( bsr ) is used widely for its flexible usage without escort, regardless of landforms and low research expenditure
機載戰場偵察雷達系統具有使用靈活、不受地形限制、不需要護航，而且研製經費較少的優點，受到世界各國的重視。Selection maskers are the important ingredient of the vector, and it is also a hot research spot of the genetics of lactic acid bacteria at present
篩選標記是載體的重要組成部分，也是目前乳酸菌遺傳學研究領域的一個熱點。Chapter two makes further study into the theoretical bases including oceanology, environment ethnics, landscape ecology, eco - capacity, clean production, environment economics and tourism system as well as their applications in ecotourism
第二章對海濱生態旅遊的理論基礎進行了深入研究，重點探討了海洋科學理論、環境倫理學、景觀生態學理論、生態承載力理論、清潔生產理論、環境經濟學理論和旅遊系統理論的內涵及其在生態旅遊中的應用。The cable crane is a sort of special hoisting machinery, which uses flexible cable hung between two fulcrums as carrying structure, makes use of the crane carriage moving over the carrying cable to work, and hold the ability of vertical transporting and horizontal transporting
纜索起重機是一種以懸掛于兩支點之間的柔性鋼索作為大跨距承載結構、利用載重小車在其上往返移動進行工作、兼有垂直運輸和水平運輸的特種起重機械。In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load
針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load
文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。Great intermittent noise, wide variety of impendence along with the load and great attenuation of signals have restricted the further utilization of power line
但是，電力線通信通道存在間歇性噪聲大、阻抗隨負載變化大、信號衰減大等缺點，嚴重製約了它的有效利用。Is suitable in deposits the long material, the plate, the annular material and the irregular cargo, bracket but one - sided or two - sided, this kind of bracket has the structure to be dexterous, carrying capacity good characteristic
適用於存放長物料、板材、環型物料和不規則的貨物，懸臂可是單面或雙面，這種懸臂具有結構輕巧，載重能力好的特點。As the modern highway transportation characterized with high speed, high traffic density, heavy load and channelized traffic, the technology of asphalt pavement have been changed greatly and many methods had been developed to improve the performance of asphalt pavement, such as the superpave ?, the technology of modified asphalt, the sma, etc. among them, the fiber strengthened asphalt pavement is a successful alternative both domestically and overseas
為了適應現代交通速度快、交通密度大、軸載重、渠化交通明顯的特點，瀝青路面技術發生了較大的變化，高性能瀝青路面superpave ~ （ tm ） 、改性瀝青技術、 sma等得到了應用，而纖維瀝青路面以其技術性能優良、經濟上合理等特點受到人們的關注，具有廣闊應用前景。Now, there are four evaluation methods in this field, every method has its advantages and shortages and most of them are established based on highway. high weight communication, great loads channelized traffic and high speed is the expressway ' s feature, there is great difference in the development law between highway and expressway. we will get some unfitness result by using those evaluation methods to evaluate expressway
目前國內外常用的四類路面使用性能評價方法中回歸法評價結果與實測數據相關性不太理想，系統分析法客觀性不強，灰色理論法存在一定的主觀經驗性，其它一些方法還處于研究階段；而且這些方法都是基於普通公路建立，高速公路具有交通量大、汽車軸載重、交通渠化和行車速度高等特點，路面使用性能的特點和發展變化規律與普通公路存在較大差異。This part mainly depicts the market under - innovation product, the market innovation combination, the marketing innovation and the enterprise market innovation strategy. the following part discusses the relation between the organizational management innovation and the enterprise market innovation and introduces the new trend of the enterprise organization innovation, the content for the management innovation and the innovation background. in the fourth part, it brings forward the idea that we should turn over to think about the practice of exchanging the te chnology with china ' s auto industry market while making analysis on the country ' s auto industry market
重點敘述了市場創新中產品市場創新組合和市場營銷創新和企業市場創新戰略；第三部分，論述了組織管理創新與企業市場創新的關系，介紹了企業組織創新趨勢、管理創新內涵和創新背景；第四部分，通過對我國汽車工業的市場分析提出了我國汽車工業市場換技術是值得反思的，對汽車品牌銷售提出了走多品牌專營的建議和設想；第五部分，介紹東風汽車公司載重車公司和汽車股份有限公司近幾年的市場創新實踐，佐證了市場創新對企業發展的重大意義。Concrete filled steel tube ( cfst ) arch bridge is a new type of bridge which is widely applied in china recently, and it is a relatively ideal structural form for long span arch bridge. with the background of the practice of liantuo bridge, in the view of point of feasible in technology and reasonable in economy, the key techniques and difficulties in the construction of cfst arch bridge are analyzed and discussed in the thesis. the disadvantages in the current design and construction and the improvement method are also indicated
本文以蓮沱特大橋工程實踐為背景，以主拱施工研究為主線，對鋼管混凝土拱橋重難點施工工藝，從技術上可行、經濟上合理的角度出發，詳細的進行了分析闡述，並指出了設計施工中存在的不足和今後需改進的方向；通過對鋼管混凝土拱橋施工過程中內力的計算，確定了拱肋施工最不利荷載工況下加載重量、壓重順序和張拉臨時預應力束等一系列施工措施，並將計算結果與現場監測觀測數據進行了比較分析，為今後進一步研究這類結構提供了參考。Thirdly, taked the the development of bearing standard library as a example, introduced at large the process of software development, and the keystone, the difficulty. emphasized that how to input the data from database, how to protract 3 - d graphics makeing use of the part ' s parameters
論文重點部分以開發軸承標準件庫和風機系列設計為實例，詳盡介紹了軸承標準件庫軟體開發的過程，重點和難點，著重分析了數據庫中參數數據的載入，如何利用零件參數進行三維繪圖等。The steamer mongolia, belonging to the peninsular and oriental company, built of iron, of two thousand eight hundred tons burden, and five hundred horse - power, was due at eleven o clock a. m. on wednesday, the 9th of october, at suez
10月9號，星期三，人們都在等著將在上午十一點開到蘇伊士來的商船蒙古號。這是一艘屬于東方半島輪船公司的有螺旋推進器和前後甲板的鐵殼輪船，載重兩千八百噸，慣常動力五百匹馬力。The key provisions in the model documents that aim to achieve a fair and balanced description of the relationship between the borrowers guarantors and the lending institutions are highlighted in
草擬標準按揭文件的主要原則之一是公平地訂明借款人擔保人與貸款機構的權利與責任。有關條款重點載于Over the past several years, the modeling and control of flexible space robots have attracted much serious attention. compared with the conventional rigid robots, flexible robots have the potential advantages of lower energy consumption, large work volume and greater payload - to - manipulator weight radio
近年來，空間柔性機器人的建模和控制受到了廣泛的研究，與傳統的剛性機器人相比，柔性機器人具有耗能小、操作空間大、負載重等特點。分享友人