路基基床 的英文怎麼說
中文拼音 [lùjījīchuáng]
路基基床
英文
subgrade bed-
Wwf hong kong s comments on foreshore, sea - bed and roads amendment bill 2003
世界自然基金會對前濱海床及道路修訂條例草案2003的意見Wwf hong kong s comments on foreshore, sea - bed and roads amendment bill 2003 view conservation strategy for hong kong
世界自然基金會對前濱海床及道路修訂條例草案2003的意見Proteomics is a new science that studies overall proteinaceous network and its development and will provides the basis in theory and technique for clinical diagnosis and etiopathogenesis
摘要蛋白質組學是全景式研究蛋白質網路及其動態變化的一門新興科學,其研究成果為疾病臨床診斷、發病機制等提供了理論依據和技術基礎。This paper expounds the necessity and key technologies for development of mechanized leveling, intelligentized detecting, major research route for the self - developed sit - on rubble bed leveling barge, together with its basic technical performance, leveling technology, and leveling quality, efficiency and precision
摘要介紹拋石基床機械化整平、智能化檢測等工藝開發的必要性和關鍵技術,以及自主開發的坐底式拋石基床整平船的主要研製思路、基本技術性能、整平工藝、整平質量、精度和效率。The former part, with the analysis and research of the meaning and the extension and the characters of industrial design, demonstrates the possibility and inevitability of applying computer and internet to aid industrial design and illustrates the state - of - the - art and usual technology. by analyzing the new development and new requests of caid ( computer - aided industrial design ) technology, the article raises the possibility and inevitability of developing internet - based icaid ( intelligent caid ) system, presuming the models and methods and illustrating the key technology of building iicaid, which includes extracting the knowledge of design and the knowledge of user and building the correlative model and studying and developing internet - based cooperative work of form design and the design and realization of software and hardware of iicaid system. finally with analyzing and summing up the correlative knowledge of design and the knowledge of user in nc machine tools form des ign and concluding and researching the results of the correlative experiments, the article raises and explains the researching points and key technology
論文分為上下篇,上篇通過對工業設計內涵、外延的分析和研究,提出了運用計算機、網際網路等智能機器、信息技術輔助工業設計的可能性和必然性以及目前的發展狀況和一般技術;分析了目前caid技術的新發展和新要求,提出了發展基於網路的智能化caid系統的可能性與必然性,並大膽推測了實現的方法和模型;歸納建立iicaid系統所需的關鍵技術,即工業設計的領域知識和用戶知識的提取及建立模型;網路協同造型設計的規劃、集成和優化;系統的軟硬體設計和完成;最後,通過對數控機床造型設計相關領域知識的分析和整理,以及相關的實驗的總結和研究,提出和解釋了在數控機床造型設計中運用iicaid技術的研究重點和關鍵技術。The system realizes multiple serial port communication and management by way of multi - port serial board ( 2 ) use the database technology to manage and manipulate the physics information data of nc tool. the basic information management system, the nc program auto - create system, the simulation of cutter working and dnc communication program are integrated to one system. it realizes the offline programming and controls of no - punched tape, helps to cut short the supplementary cutting time and improves the efficiency of to program and machine tools and realizes the separation and seamless connection of program and manufacture
本課題以硬體為輔助手段,以軟體為主要手段實現了以下功能:以串口擴展卡來實現網路中多臺數控機床的通信和管理;使用數據庫技術對數控機床的物理信息進行管理和操作,將數控機床基礎信息管理系統、 nc程序自動生成模塊、刀具加工軌跡模擬模塊和dnc通信介面模塊集成為一體,實現了數控加工的離線編程和數控系統的無帶控制,提高了編程效率、質量,縮短加工輔助時間,提高了機床的效率,既實現了編程和加工的分離,又達到它們之間的無縫連接。On the base of analyzing and comparing merits and drawbacks of the available matrices for eba, the author put forward his study idea, which adopted the composite of regenerated cellulose and superfine tio2, respectively as reactive matrix and densifier, to prepare a spherical hydrophilic matrix for eba
在分析和比較已有擴張床基質優缺點的基礎上,作者提出了自己的研究思路,即採取再生纖維素和超細鈦白粉分別作為反應性骨架材料和增重劑,復合制備出球形親水性擴張床基質。The diploma project researches the three - coordinate nc system of the boring and milling machine. the system must depend on the hardware - ipc ( industry personal computer ) and on the windows software. the hardwares have the framework of embedding nc in pc, which means that the hardware is composed of ipc, the intelligent sport control card ( pcl - 839 ) and the i / o card ( pcld - 782 / 785 ). we research the nc system based on the operating system of dos and develop it into the nc system based on the operating system of windows2000. the new nc system will do better for the three - coordinate nc machine tool than the old one
本文是以本學院自行研製開發的印製電路板鉆銑床為研究對象,以工控機為硬體平臺,以windows為軟體平臺,硬體系統採用「 nc嵌入pc式」結構,即運用現有的工控機+運動控制卡+數字量輸入輸出卡的基本結構,把機床控制系統開發成基於windows環境下的數控系統,代替原有的基於dos操作系統下的控制系統,從而實現對三坐標數控鉆銑床的控制。According to the theory and study methods of comparative economic geology, the ore - forming geological background, geological feature, the elements geochemistry, the metallogenic geochronology about the two ore deposits and rock - bodys are systematic analysed, compared, and researched by means of new measure and assay technique. jianchaling nickel sulflde deposit is stress investigated in order to study similarities and differences between the two deposits in mineralization background, geochimistry, and metallogenesis, also to find the reasons for these, discuss the regularity of formation and distribution for the type deposit, and guide its exploration
本次工作依據比較礦床學的研究思路,在重點剖析煎茶嶺鎳礦床成礦地質、地球化學特徵的基礎上,採用新的分析測試技術手段,對這兩個巖漿硫化鎳礦床從成礦地質背景、巖體及礦床地質特徵、地球化學及成礦作用年代學等角度進行系統分析、比較和研究,找出二者的共同性和差異性,進一步更深刻地認識其成因並探討該類礦床形成與分佈的規律性以指導找礦。The essential cause that induces subway vibration is the inter action between the train ’ s wheels and rail. through the sleeper, ballast bed, roadbed and soil layer, the vibration spread to far place
地鐵振動產生的根本原因是由於輪軌的相互作用,再通過軌枕、道床、路基和土層依次向遠處傳播。The region and the earth surface across this road are mainly water above ground and run - off and the ground water is mostly made up of groundwater and perched water ; the river bed is more obvious ; the overbank is covered by medium sand and gravel ect
路線所經地帶地面主要為地表水和徑流,地下水主要以潛水和上層滯水為主,河床較明顯,河灘覆蓋中砂、礫石等。地勢低洼地帶地表常年積水,影響路基穩定。During the work of designing the structure of parallel machine tool, in allusion to the main shortcoming of stewart platform mat its workspace is strait, we decide to design a stewart type parallel machine tool which fulfill the given spherical position workspace and have the best dexterity, genetic algorithm is used in this paper. because the calculation of the fitness function is complex, backpropagation arithmetic is used to approach fitness function. the results show that mis method has good accuracy and computing efficiency
在並聯機床的結構設計中,針對並聯機床的工作空間有限且受刀具姿態影響大的弱點,提出了以保證非零最小可達章動角球形主工作空間的基礎上,使操作靈敏度暨剛度分佈最優化的設計目標,優化方法的選用了遺傳演算法,結合神經網路技術,該方法取得了很好的結果。The comparison study of the three belts indicates although they are distinct from each other all the three belts show many common features in the aspect of the metallogeny of large - rich vein uranium deposits, i. e : the important metallogenic areas are located above the old crystalline basement ; the paleo - rifting ( taphrogeny ) controls the development of the volcanic belt and at the same time it is favourable metallogenic tectonic environment ; the occurrence of uranium deposit does not depend on the lithology of volcanic rocks ; uranium metallogeny is obviously constrained by deep geologic processes and the connected fault - structural net is the necessary condition for the formation of large - rich uranium deposits
對比研究表明,雖然它們各具特色,就脈型富大鈾礦床成礦作用而言,它們又具有較多的共性:重要成礦區的火山噴發皆奠基在古老的結晶基底上;古裂谷(或裂陷)既控制了火山巖帶的發育,又是有利的成礦構造背景;鈾礦賦存對火山巖的巖性沒有明顯的選擇性;鈾成礦的深部控製作用明顯;聯通的構造網路系統是形成富大鈾礦的必要條件。And also about the objective conditions for developing is given to the well consolidation technology with sand - packs in soft foundation treatment area and the consolidation technology with cement - mixed piles in transitional section of road and bridge areas, and the detailed introduction is also given about workmanship for filling works in subgrade body, for filling works in transitional sections of the subgrade, and for construction of base bed of the subgrade. in each part caution items in the construction and the relevant technical issues are summarized
然後著重介紹了秦沈客運專線一般軟土地段地基處理袋裝砂井加固技術、路橋過渡段水泥攪拌樁加固技術,並對路基本體填築施工工藝、路基過渡段填築施工工藝,路基基床施工工藝也進行了詳細的介紹,在每一部分中對施工注意事項及有關技術問題進行了總結歸納。In order to ensure the quality of filling and the construction stability of the high - speed railway subgrade. " prescription of design of line, bridge, tunnel and station of high - speed railway " regulated that the filling used in the bottom of high - speed railway subgrade must be the type of a, b or improved soil
即將修建的京滬高速鐵路對路基的填築質量要求很高,為了嚴格控制高速鐵路路基的變形,使未來的高速鐵路具有一個穩固的軌下基礎,適應列車高速運行的要求, 《京滬高速鐵路線橋隧站設計暫行規定》對高速鐵路的基床底層填料性能提出了具體要求,必須使用a 、 b組填料或改良土。Second, the random variables in reliability analysis of the steel rail are discussed. these random variables include the wheel load, the stiffness of the rubber pad and the bed, the temperature stress and the fatigue ultimate strength of the steel rail. and their probability distributions and parameters are discussed thoroughly
其次,對鋼軌可靠度分析中涉及的隨機變量如輪載力、軌下膠墊剛度、道床路基聯合剛度、溫度應力及鋼軌疲勞極限強度的概率分佈類型和統計特徵進行了詳細討論。The technology of embankment filling and foundation bed reinforcement in soft - soil foundation
軟基地段路堤填築及基床加固技術High - speed track proposes higher demands for subgrade and bed. the application of ballastless slab track is the main tendency for assuring the high stability and smooth of the track
高速軌道對路基和道床提出了很高的要求,為保證軌道的強穩定性和高平順性,採用板式無碴軌道的結構形式已成為一種趨勢。The expansion soil on yangan railway roadbed cause many diseaseses, such as mud pumping, ballast pocket and settlement and extrusion, etc. when being serious there are too mud on sleeper and roadbed to walk on it, it is hard to keep the size of geometry of the track and often cause the car shaking and influence the security of the driving seriously
由於路基土質所特有的不良的工程性質。使陽安線基床病害十分嚴重,其中基床翻漿及下沉十分突出,它直接影響到軌道的穩定。使軌道幾何尺寸難以保持,經常造成晃車,一到雨季軌道面上及道床上全是泥漿以致無法行走,行車安全受到嚴重威脅。Through investigation and analysis, this thesis put forward that the roadbed disease are caused by the surface water " s softening of the base soil with bad nature
因此對于運營鐵路來說。如何有效地整治膨脹土地段的基床病害是擺在我們面前的一大難題。分享友人