細長工件 的英文怎麼說
中文拼音 [xìzhǎnggōngjiàn]
細長工件
英文
slender piece- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 長 : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
- 工 : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
- 件 : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
- 長工 : farm labourer hired by the year; longterm hired hand
-
On the basis of the others, according to the constructional feature of the constitution of the composed soil nails, the computation mode of the he strut frame made of composed soil nails was set up to analyze the distortion of the he strut frame made of composed soil nails when it is stressed. with the engineering data, the strut frame made of composed soil nails is analyzed with the program ababqus, and the effects of the distortion characters, the property of the deposition of the ground, the mechanical property of the soil nails, the variation of the length and the separation of the soil nails, and the diametric of the mixing piles on the strut frame made of composed soil nails, and the distortion property of the strut frame made of composed soil nails under different ground conditions
在總結前人的研究成果下,針對復合土釘墻構造的特點,建立了模擬復合土釘墻受力變形的計算模型,並結合工程實測資料,運用大型通用有限元程序ababqus對復合土釘墻進行了有限元分析,詳細討論了復合土釘支護結構開挖過程中的變形特性、地面沉降性狀、土釘受力性狀;土釘長度變化、土釘間距變化、攪拌樁樁徑變化對復合土釘支護結構的影響;復合土釘支護結構在不同地基條件下的變形特性。Different from mammals, the early embryos of fish can not be preserved for the long period at the very low temperature ( - 196 ). therefore, three methods were usually applied to cryogenic preservation of the fine and rare species of fish : 1 ) perserving fish spermatozoon in cryogenic condition. researchers have had systematically studied on this technique for many years, and this technique has been utilized in application and made a lot of effects ; 2 ) combining with the techniques of cell engineering ( nuclear transplantation and electric fusion etc. ), and through the process of culturing histiocyte of fish, cryopreservation and re - culture after thawing, carrying out somatic cell breeding of fish. the past studies showed that the nucleolus of somatic cells of fish have totipotency
多年來,國內外學者對各種魚類精液的冷凍保存進行了大量的系統研究,目前這項技術已達到實用水平,並日益發揮作用;二是對魚類培養的組織細胞冷凍保存,通過魚類細胞的培養、超低溫凍存、解凍后再培養過程,結合細胞工程技術(如核移植、電融合等)進行體細胞育種;大量的研究結果表明魚類體細胞核具有發育的全能性,隨著細胞培養技術、細胞工程技術日益發展成熟,完全具備實現魚類物種種質長期保存的理論基礎和技術條件。The paper introduces that under special technology condition, nona material infiltrates through matrixes of machinery parts to refine crystal grains, increase matrix tenacity, strength and hardness, reduce friction factors and high performance and long lifetime machinery parts are manufactured
本文介紹在特定的工藝條件下,將納米材料滲入到機械零件的基體中,使基體材料晶粒細化,韌性增加,強度增加,硬度增加,磨擦因數降低,從而製造出了高性能長壽命的機械零件。According to the characteristic of cnc plasma cutting machine it could improve the process quality of cutting piece in effect for choosing proper technics, for example, cutting section point, aspect, sequence, speed etal during the period of processing, and elaborating towards the distortion control of single side piece, slightness piece, profiled piece and particularity piece at the same time
根據數控等離子切割機的特點,在加工過程中正確選擇切割的起點、切割方向、切割順序、切割速度等工藝,可以有效提高切割件的加工質量,同時對單邊工件、細長件、異型件以及特殊件的變形控制進行了詳細地闡述。Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg
文摘:通過以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響,為微細超聲加工技術的實用化提供參考依據。The article structure the landslide prevention and cure, the structure of prestress anchors and its application in detail. basing on the geology condition of fabricating yard, we calculate the solid power and the length of anchor rope. we have worked out the experiment research scheme, and has carried on the earlier stage experiment, field demarcation experiment and has opened pulling the experiment on the spot. ten teams of steel rope to two teams of structure types twist the experimental data that thread internal stress and the total pulling force has been in progress research, and has put forward raising the measure of solid capability of prestress anchor and administering possessing
本文以川藏公路滑坡路段為研究對象,對滑坡的治理、預應力錨索的結構、作用及其在滑坡防治中的應用進行了詳細的分析;基於施工現場的地質條件,對錨索錨固力及錨索最佳錨固段長度進行了理論計算;制定了實驗研究方案,進行了前期實驗、現場標定實驗、實地張拉實驗;對兩組結構型式的十組鋼絞線內應力及總張拉力的實驗數據進行了研究,提出了提高預應力錨索錨固性能的措施,以及具體的施工方案和施工工藝。Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes
本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。The data exchange technology is studied and the data exchange interface is provided in our own engraving system. aiming at the shortage of complex engraving picture, slender flower - veins, the long machining code, and out of ems memory of numerical control system, we develop a series of dnc subsystem which realizes the on - line transmission machining of engraving parts
對數據轉換技術進行了研究,在雕刻系統中提供了數據轉換介面,針對雕刻圖案復雜,花紋細,生成的加工代碼長,以及數控系統內存小的問題,開發了一個計算機直接數控( dnc )子系統,實現雕刻零件的在線傳輸加工。Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )
本論文主要論述了在espd - u裝置上,採用電子迴旋共振等離子體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝,包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長;通過高能電子衍射、 x射線衍射和原子力顯微鏡測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝條件,生長出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生長出原子級平滑的aln外延層表面,因而沒能夠生長出密度比較大和直徑比較小的量子點。The plate - tube evaporator, the single back - fin evaporator and the box condenser. after analyzing the physical model and setting up the mathematical model according to the two - phase flow of adiabatic capillary tubes, it also numerically simulates and analyzes the different effects of main parameters on the capillary tube length. based on the heat transfer analysis and counting of thermal insulation layer, the cad system accomplishes the parametric design and drawings of the refrigerator body
該系統完成了對典型製冷裝置的換熱器部件,如板管式蒸發器、單脊翅片管式蒸發器、箱壁式冷凝器的參數化設計和繪圖;分析了絕熱型毛細管兩相流的物理模型,並建立數學模型,對絕熱型毛細管各主要參數對其長度的影響進行了數值模擬和計算分析;基於對電冰箱箱體絕熱層厚度的傳熱分析和計算,完成了整個箱體的參數化設計和繪圖工作。In this thesis, the critical components of pcs are analyzed and tested in detail. i present the scheme of reliability qualification test of capacitors, furthermore, analyze the sampling inspection scheme theoretically for capacitors and put forward the proposals to improve this scheme. for most of components in pcs with high reliability or long lifecycle, which need great investment of time and material for their reliability tests, this paper provides a new and effective statistical method for this kind of components - the progressive stress accelerated life testing with exponential distribution
可靠性試驗也是可靠性工程的重要組成部分,能源系統許多元器件為高可靠性、長壽命器件,且大部分是非標準器件,為保證整個系統的可靠性,必須對備選元器件進行可靠性試驗,本文對能源系統關鍵器件進行了詳細的試驗分析,給出了電容器的鑒定試驗方案,對其抽樣試驗方案進行了理論分析並給出了方案改進建議。Ito substrate with an smooth surface of 0. 2nm rms roughness measured by afm was obtained by the developed pre - cleaning processing procedure. mbe growth of znsxse1 - x thin films on ito coated glass substrates were carried out using zns and se sources. the xrd 9 / 29 spectra resulted from these films indicated that the as - grown polycrystalline znsxse1 - x thin films had a preferred orientation along the ( 111 ) planes
採用分子束外延技術在ito導電玻璃上低溫沉積了zns _ xse _ ( 1 - x )多晶薄膜,詳細研究了薄膜制備的工藝參數,在最佳沉積條件下,制備獲得了晶型為立方閃鋅礦,並具有( 111 )面高度定向生長結構的柱狀zns _ xse _ ( 1 - x )多晶薄膜,其rms表面粗糙度最小可達1 . 2nm 。It consists of several parts as follows : in the first part, after an introduction of basic theory and history of filter banks, an analysis of lattice structure filter banks is given. the requirements of perfect reconstruction and linear phase are discussed and some constrains of filter length and symmetry property are analyzed in details. besides, relative designing practice and examples are given
論文的工作主要有如下幾個部分:第一部分,我們介紹了子帶濾波器組的基本理論和發展情況,研究了格型結構濾波器組,討論了其完全重構條件和實現線性相位的要求,並詳細分析了在實現完全重構線性相位格型濾波器組時濾波器的長度和對稱性約束,討論了優化設計的方法,並給出了例子。This proof merchant already through the authentication, and has set up a file in the panjin114 nets industry and commerce enterprise database, inquires the more detailed enterprise material, please dial the panjin enterprise information desk 0427 - 2871453 2872453, this enterprise numbers for 136
茲證明盤錦長風汽車配件已通過認證,並已在盤錦114網工商企業數據庫中備案,查詢更詳細的企業資料,請撥查詢臺0427 - 28714532872453 ,該企業編號為136 。The machines are multi - purpose horizontal lathes. they are available to machine shops, tool rooms and repair shops to mahine small to medlan sized workpieces such as shafts, sleeves, disces as well as metric, inch, module and d. p. threads. the lathes are featured compact in constrution, reliable in performance, nice - looking in pearance, safe in operation and easy in maintenance
該機床是具有多種用途的臥式車床,可擔負中、小型軸類、套類、盤類零件類及公制、英制、模數、徑節螺紋等零件的加工,特適宜於細長軸零件的製作,該機床可用於工廠的機加工車間,工具車間和設備維修車間,該機床結構緊湊,性能可靠,外形美觀,操作安全,維修方便。The machines are multi - purpose horizontal lathes. they are available to machine shops, tool rooms and repair shops to mahine small to median sized workpieces such as shafts, sleeves, disces as well as metric, inch, module and d. p. threads. the lathes are featured compact inconstrution, reliable in performance, nice - looking in appearance, safe in operation and easy inmaintenance
模數、徑節螺紋等零件的加工,特適宜於細長軸零件的製作,該機床可用於工廠的機加工車間,工具車間和設備維修車間,該機床結構緊湊,性能可靠,外形美觀,操作安全,維修方便。At every step of production, from crystal growth to device packaging, numerous refinements are being made to improve the yield and reliability.
在生產中,為提高其成品率和可靠性,從晶體生長到器件封裝每一步工序均有很多細致工作要做。So the machinist ' s purpose is to remove the excess stock as fast as he can without leaving, at the same time, a surface too torn and rough, without bending the piece if it is slender, and without spoiling the centers
機加工工人的目的是盡可能快地切除余料,而留下的加工表面又不能太粗糙,細長的工件不能抗彎,也不能損壞頂尖。The reason that slightness shaft part is bended by turning is analyzed in the mechanics, design of radial move system & tool desk in the automatism cnc lathe is advanced, the design has solved the problem of that slightness shaft part is bended by turning with the tool machine structure
摘要從力學角度分析細長軸類零件車削加工變形原因,提出細長軸數控車床徑向進給系統和刀臺一體化設計方案,解決由於機床結構的原因所造成的細長軸類零件車削加工變形問題。Guarantee the safety of this project. this experiment focus on the failure mode and the ultimate bearing capacity of these columns. besides, this experiment also study the rule of the development of the deflection, the crack, the strain and the stress with the process of this experiment.
通過此次試驗重點研究重慶大劇院縱向框架細長柱的破壞形態(是強度破壞還是失穩破壞)和極限承載能力,同時研究構件的變形、裂縫、應力應變隨加載的發展變化規律及其破壞過程,為本工程及今後此類細長柱結構體系的設計提出一些有益的建議。分享友人