預試研究 的英文怎麼說
中文拼音 [yùshìyánjiū]
預試研究
英文
pilot study-
The welding performance of homemade wear - resistant cast steel has been studied base on the weldability tests, the repair welding procedures of wean - resistant cast steel ( abrasion - plates ) have been made up, the results show that satisfying repair welding quality can be attained with such welding conditions as the low hydrogenous alkalescent welding rod, preheating and slow cooling, strictly maintaining the interbedded temperature of 250 ~ 300 and controlling welding technique
通過對其焊接性能的試驗研究,制定了該類鑄鋼件(磨耗板)的補焊工藝:低氫型堿性焊條,預熱與緩冷相結合的工藝措施,嚴格控制層間溫度( 250 ~ 300 )及焊接工藝規范,可獲得滿意的修復質量。Now the system can make experimented use and its result is very reasonable and effective, accordingly obtain the purposes of the anticipant study and practised, establish the foundations for further studying the theories of the system, developing a new examination database system
目前,該系統已經能夠實驗性運行且效果良好,達到了預期的研究和實踐的目的,為進一步研究試題庫系統理論並開發試題庫系統奠定了基礎。In this article i do a lot of analysis for the data formed in the mobile samples with the basis of the research of data mining, mainly including : it analyses and summarizes the theory and technology of data, especially the further discussion of the data mining algorithm for time sequential. it introduces the course of the test curve of the power transmission system of electric mobile and discusses the technology and methods of pretreatment for curve data. it studies and develops the antitype system for the analyses of test curve data of the power transmission system of electric mobile with the mining and analysis of test curve data of the power transmission system of electric mobile and the basis of the algorithm of time sequential
本文以目前數據挖掘的研究為基礎,對汽車樣品試驗中形成的大量數據進行分析處理,主要研究內容包括:分析和綜述了數據挖掘理論基礎和相關技術,特別是對時間序列挖掘演算法進行了深入的討論介紹了電動汽車動力傳動系統檢測曲線生成的基本過程,討論了曲線數據的預處理技術與方法以時間序列挖掘演算法為基礎,對電動汽車動力傳動系統檢測曲線數據進行了挖掘與分析,研究並開發了電動汽車動力傳動系統檢測曲線數據分析原型系統。The diffusion welding behavior of single - crystalline cu to single - crystalline - aio with a nb film interlayer and the joint microstructure properties were studied by tem, sem / eds analyses and four - point bend testing. the nb film interlayer deposited by electron beam evaporation on the ceramic side prior to diffusion welding was found to be olycrytalline and fiber - textured after diffusion bonding, with the close - packed plane ( 110 ) being parallel to the ( 0001 ) basal plane of - aio
擴散連接技術是一門邊緣科學,涉及材料、擴散、相變、界面反應、接頭應力應變等各種行為,工藝參數多,雖然已經進行了大量的試驗研究,但卻對各種材料的連接機理尚未有明確的認識,為此人們試圖藉助于計算技術,對接頭行為進行數值模擬,以便找到共同規律,對擴散連接過程及質量進行預測與實時控制。To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered
摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律,進行了3根連續梁模型試驗,分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。One is recommended by the chinese transportation ministry and is specified in " assessment criteria for environmental impact from road construction projects, jtj005 - 96 " ( to be referred as prediction model from transportation ministry ). the other is recommended by the national environmental protection bureau and is published in " the general guidelines for environmental assessment technologies ? ound environment, hj / t2. 4 ? 995 ". this model is the high way noise prediction model from the united states federal high way authority ( fhwa )
本論文針對當前我國道路交通噪聲預測中應用得極為廣泛的兩種模式:我國交通部在《公路建設項目環境影響評價規范(試行) ( jtj005 ? 96 ) 》推薦的模型(以下簡稱為交通部預測模型)和國家環境保護總局發布的《環境評價技術導則?聲環境[ hj t2 . 4 ? 1995 ] 》推薦的美國聯邦公路管理局( fhwa )公路噪聲預測模型(以下簡稱為fhwa預測模型) ,在進行預測時的比較研究。A pretest study on poster and foldout materials of childhood immunization iec strategies in guizhou province
策略宣傳畫及預防接種證插頁預試驗研究With the thinking of futurology, this paper is divided into two parts, budgeting plan and budgeting execution, to try to detect the present problems and to find approaches to solve them. the purpose of this paper is to make the those methods more scientific to realize the combination of enterprise tactics management and strategy management in the systematic, strategic and total - attending way that other measures of management can not achieve
帶著未來學的思想,文章將預算管理分為預算編制和預算執行兩大塊進行研究,試圖找到它們各自現存的問題及解決途徑,使之逐步完善科學,發揮出其機制性、戰略性、全員性等一系列其他管理手段無法替代的作用特徵,實現企業戰術管理和戰略管理的有機融合。Since the preload and the friction moment of the geminate bearing are dominating factors affecting the performance of the navigation platform frame system, based on theoretical study on the control methods of bearing ' s preloads and frictional moment, the paper puts forward a method to control the preload of the twin bearings accurately. moreover, a multifunctional test apparatus of the navigation platform bearing is designed, and a lot of experiments of bearing ' s rigidity and friction moment and preload assessment are done
考慮到成對軸承預載荷和摩擦力矩是影響導航平臺框架系統性能的主要因素,本論文對成對軸承預載荷及摩擦力矩控制技術進行了理論研究,提出了一種精確控製成對軸承預載荷的配對方法,設計了導航平臺軸承多功能測試儀,並對導航平臺軸承的剛度、摩擦力矩和預載荷評定技術進行了試驗研究。Experimental study on mechanism of reinforcing soft foundation of bridge head by vacuum combined with surcharge preloading
真空聯合堆載預壓法軟基加固現場測試研究This thesis constructs cvps in bipolar likert 6 point scale format. taking sales engineer and programmers as examples, the correlation study between post - fit, which evaluated from self, colleague, superior and performance perspectives, and personality measured by cvps showed that cvps has clear factor structure and possesses good construct validity, criterion - related validity and reliability
通過預試研究,並以從自評、他評及績效評價等方面評估的崗位適合度(以銷售工程師和程序員為例)為效標,來進行cvps所測個性類型與崗位適合度的相關研究。They are conservation ecologists who seek to document past and probable future extinctions to find effective methods to prevent the latter
身為保育生態學者,他們嘗試研究過去與未來可能發生的絕滅事件,並希望找出有效的方法來預防後者。The case study approach to earthquake prediction research should be abandoned in favour of the objective testing of unambiguously formulated hypotheses
對地震預測研究的案例研究途經應當被拋棄,代之以對較明白建立起來的假定進行有目標的試驗。 」With the experiment of surface crack growth of bhw - 35 weld metal, the law of the surface crack shape variation when it grows was obtained, and the law of surface crack growth rate was also gotten. these direct the evaluation of the surface crack fatigue growth life and the critical value of its length
對bhw - 35鋼焊縫材料進行表面裂紋擴展試驗研究,得到裂紋的擴展形貌變化規律,並對其疲勞擴展壽命進行預測研究,為汽包下降管角焊縫部位的表面裂紋擴展壽命預測提供依據,同時也確定了其表面裂紋擴展的臨界值。In the article, from phenomenon to theory, we have studied the characteristics of strong group seismogenic earthquakes and group activities and tried setting up 3d finite element model and studied the mechanism of strong earthquakes group activities, particularly, aiming at sichuan - yunnan special region, applying the latest research result of geologic structure and deep physical geography. it is only the original intention to set up a theoretical basal platform for earthquake analysis and prediction and to search for some ways for physical prediction
本文試圖從現象到理論,研究強震的成組孕育、成組活動特徵,特別是針對川滇這一特定地區,應用地質構造和深部地球物理的最新研究成果,建立三維有限元模型,研究強震成組活動的機制,為地震分析預測研究搭建一個有一定理論基礎的平臺,探索地震物理預測的一些途徑,這正是本論文的初衷。A macroeconomic early warning method is proposed by svm combined with fuzzy theory and early warning research in this paper. some new models are established to generalize and update svm. meanwhile, the methods are testified though data experiments in practice
論文將支持向量機、模糊理論與宏觀經濟預警研究等相結合,嘗試建立起基於支持向量機的宏觀經濟預警方法體系,並對支持向量機的理論和方法進行拓廣。The aviation science teclmology will be developed and become to a practical technology, so as to form technology reserve, and supply the idelltified technology to the developmellt of the military aircraft, and this will shorten the developmeni term and raise the developing success rate of the military aircraft
預研先行是航空技術發展的客觀規律,預先研究探索航空科學技術,並向實用技術發展,形成技術儲備,為軍用飛機研製提供經過試驗驗證的技術,將縮短研製周期,提高軍用飛機研製的成功率。On the basis of the calculating of complexity ( c value ) and combination entropy ( h value ) from the numerical method of geoanomaly analysis, logged signals data ( spontaneous potential, acoustic slowness, spontaneous gamma ray and electrical resistivity ) and seismic data ( amplitude, frequency, phase, etc. ) are processed after regularization of data obtained from linqing basin of shengli oil field. many types of geoanomalies obtained from the computation are analyzed so the spacial variation rules of them can be discovered. then the oil regions can be predicted by this method
本文創新性地將地質異常概念引入油氣勘探領域,以地質異常理論為指導,以勝利油田臨清坳陷油氣地質異常預測研究為例,針對我國陸相含油氣盆地的常規測量、測試和解釋數據,如與地震相關的數據(振幅、頻率、吸收系數、層速度等) 、與測井相關的數據(自然電位、聲波、視電阻率、自然伽馬等)等,提取不同數據類型的地質異常以及異常組合特徵,通過對這些參數的綜合研究分析其空間變化規律,系統地建立有效預測油氣藏的新技術和新方法,進而達到區域油氣資源預測的研究目的。Exploration of the fatigue life on whole equivalent damage field
材料損傷的全場測試及壽命預測研究分享友人