缺陷硬化 的英文怎麼說

中文拼音 [quēxiànyìnghuà]
缺陷硬化 英文
defect hardening
  • : Ⅰ動詞1 (缺乏; 短少) be short of; lack 2 (殘缺) be missing; be incomplete 3 (該到而未到) be ...
  • : Ⅰ名詞1 (陷阱) pitfall; trap2 (缺點) defect; deficiency Ⅱ動詞1 (掉進) get stuck or bogged do...
  • : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
  • 缺陷 : defect; fault; faultiness; vitium; lesion; flaw; disorder; imperfection; drawback; blemish
  • 硬化 : 1 (變硬) harden; stiffen; stiffening; indurascent; ossification; cure; curing 2 [醫學] (組織變...
  1. The quality of furan sand castings is usually better than clay sand castings, however, some defects are also very easy take place with furan sand castings such as blow hole, metal penetration, veining, cracking, slag inclusion, hardness too low, surface recarburation, surface sulphuration, nodularity degeneration etc, which were usually caused by improper raw materials selection, improper method design, incorrect moulding or / and core - making

    摘要呋喃樹脂砂鑄件質量一般比黏土砂鑄件好,但如果原材料選擇、工藝設計、造型和制芯操作不當,也會產生氣孔、粘砂、脈紋、裂紋,夾渣、度不足、滲碳、滲硫和球不良等鑄造
  2. Pumice concrete after being close - grained and molding is not sensitive to maintaining conditions, and this idiosyncrasy can predigest maintaining measures and reduce lacuna

    浮石混凝土在密實成型后,其凝結過程中對于濕養護的敏感性較小,這有利於簡施工養護措施和減少早期混凝土的產生。
  3. A study of the progression of cirrhosis in patients with human immunodeficiency virus and hepatitis c virus coinfection

    人類免疫病毒和丙型肝炎病毒共感染患者肝發病情況
  4. ( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o

    本文研究結果為弱卸荷與弱風大致對應、強卸荷與強風大致對應; ( 6 )巖體是由組成它的巖石與賦存於一定環境場中的地質體,據此本文將巖體風細劃為巖石風與結構面風,並進而將表徵巖體風的指標相應地歸結為三個方面來加以研究並應用於工程實踐,這就是:對于巖石風,主要為礦物的變異程度與風巖石的物理力學性能研究:雖已認識到風作用破壞了巖體完整性,但將該理論應用於巖體風分帶卻不多見,本文即從淺表部位性結構面間距、條數、跡長、塊度等隨遠離臨空面的變規律來研究巖體風分帶:不同風、卸荷程度的巖體實際處于不同環境場中,彈性波速變與特定環境場相對應,因而是反映巖體風、卸荷的綜合因素。
  5. In this paper, regarding nondestructive testing of surface defects ( for example, grinding - cracks of solid carbide cutting tools etc ), we emphatically analyze post emulsification fluorescence penetrant flaw detection method and application in the field of quantity controlling for solid carbide cutting tools, and we put forward procedure process and procedure parameter of fluorescence penetrant flaw detection for cutting tools

    摘要針對整體質合金刀具磨削裂紋等表面的無損檢測,重點分析和討論了后乳型熒光滲透探傷法及其在整體質合金刀具質量保障技術領域中的應用情況,並確定了刀具的熒光滲透檢測工藝流程和工藝參數。
  6. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  7. Traditional natural monopoly theory used government regulation of natural monopoly industries as the answer to the question of " market failure ", which ignored that government as a link of trust - agency was influenced by some condition such as many - faceted aim function, uncompleted information and the defect in its public decision theory etc. then under the lack of rigid restrain, the action of government regulation maybe produce some negative influence including the question of dynamic consistency

    傳統自然壟斷規制理論將政府規制視為「市場失敗」的政府解,忽略了政府作為委託代理鏈條中的一環,受其目標函數多元、信息不完全、公共決策體制存在的等情況所影響,在約束的情況下,政府規制行為有可能會衍生出動態一致性( dynamicconsistency )問題。
  8. Abstract : comparision is made between the characteristics of recovered wcand conventional wc by clectronic probe detection. in view of perfect crystal lization, less defect in the crystal and sufficient compound carbon, cemented carbide superior to conventional wc is developed by process optimization to compensate for the high o2 content and more inclusions in the recovered wc

    文摘:用電子探針檢測手段對比了回收碳鎢和一般碳鎢的不同特性,從回收碳鎢具有結晶完整、晶內少、合碳充足等優良性能出發,用工藝優手段彌補回收碳鎢氧含量高、夾雜物多等點,試制出了性能優于用一般碳鎢生產的質合金。
  9. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手,以絕緣結構故障的典型特徵? ?局部放電為研究對象,重點討論局部放電的在線監測方法、適用場合併比較它們的優點;在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后,根據其,本文探討了溫升不平衡法、希爾伯特變換數字濾波、小波包分析法的原理及優點;以電機軸承、氣隙偏心等故障為研究對象,通過對電機振動和轉速頻率的檢測,診斷電機的故障類型;本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中,力求使電機故障診斷更接近人工智慧;最後,本文對電機狀態監測和故障診斷系統進行了體和軟體初步設計,為實現預測維修提供了有效的技術手段。
  10. Basing on experiments, the creep constitutive relations of pmma were researched. creep experiments of single dimension were done on three specimens with no defects under constant stress and the andrade theory, the accumulation theory, the strain - rigidification theory, the norton theory were applied to fit the experimental data

    做了三組恆定應力條件下的無pmma試件的蠕變實驗,分別用andrade理論、陳理論、應變理論及恆速理論對實驗數據進行了擬合。
  11. ( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test

    在研究過程中本文主要做了以下工作: ( 1 )針對巖石損傷變較小時,運用ct均值和方差分析不方便的,本文提出運用對ct數范圍劃分區段的方法,根據各區段統計頻率的變規律來分析損傷擴展狀況; ( 2 )針對巖石受到外部作用的多變性,本文提出了基準損傷,正損傷,負損傷的概念,在某種程度上考慮了巖石受到外部作用時的壓密情況; ( 3 )現有的基於ct數的損傷變量大多需要用到巖石基體的ct均值,這實際上是很難觀測到的,因此本文建議了一個可運用巖石初始狀態ct均值的損傷變量,由於現有的勒邁特教授應變等價原理使用上的不便,本文在其基礎上進行了推廣; ( 4 )建議了一個可用巖石初始狀態ct數和彈性模量的單軸損傷本構方程,並用算例進行了驗證; ( 5 )對兩種不同巖石在開放環境下受到凍融循環作用且融過程中補水時,內部損傷隨凍融循環次數增加的擴展規律進行了探討,主要運用了常規的ct均值和ct方差的分析方法進行分析,試驗發現:對于孔隙率和含水率較高,密度和強度較低的軟弱巖石,凍融循環次數對損傷結構的擴展有明顯的影響,而對于孔隙率和含水率較低,密度和強度較高的巖,凍融循環次數對其損傷結構擴展初期由於含水率低的原因,影響不是太大,而後期由於水補給后,含水率較高的原因,凍融影響逐漸增大; ( 6 )運用了本文提出的區段劃分和統計頻率的方法,深入地分析了開放環境下的線性溫度變的凍融循環次數,凍結溫度,凍結速度不同巖石作用時,其內部損傷隨凍融循環次數,凍結速度和凍結溫度變的擴展規律,需要指出的是除了在試驗前飽水外,凍融過程中沒有補水。
  12. In order to conquer the shortcoming of general pwm forcibly switch technology, it takes advanced soft switch technology to recede the switch spoilage of power component and will be benefit to improve the frequency of switch electroplating power and raise the control precision and smooth of the output voltage and current of the electroplating power. it designs a digital software electroplating power that bases on the 80c196mc and epld ( erasable programmable logic device )

    為了克服常規pwm開關控制技術的,本文採用先進的軟開關技術,大大降低了功率開關器件的開關損耗,提高了電鍍電源的開關頻率,改善了輸出電源電壓和電流的平滑性與控制精度,採用基於80c196mc單片機與可擦除可編程邏輯器件epld組成的全數字控制系統,研製了一臺軟開關電鍍電源。
  13. The genetic defect was not associated with carotid atherosclerosis ( hardening of the arteries in the neck and head ), the researchers said

    這個基因與頸動脈粥樣(頸部和頭部動脈)沒有關系,研究人員說。
  14. With the personal computer and its advantages of data analysis, data processing, data recording and interactive user interface, the implemented vi has features of simple circuit design, low - cost, powerful functions, friendly user interface and intuitive result displaying. the vi also accomplished functions of massive signal processing and recording, which are difficult to implement for general intelligent units

    本設計充分利用了計算機的資源,使儀器的體電路簡單、成本低廉、軟體功能強大、界面友好,實現了智能探傷儀難以實現的性質判斷的圖形,並且利用計算機大存儲量的能力,實現了直接在計算機存儲等。
  15. In order to promote the population of the new technology, hecad software was developed by thermal energy research center of zhengzhou university. as a 2d cad drawing software, it realized the automatic design of process design, mechanic _ al design, components design and assembly drawing design of thelfsf. however, along with the development of software and hardware and the evolvement of design thought, not only 2d drawing but also 3d solid modeling is needed in modern design of heat exchang _ er ' s parts

    Hecad系統在零部件二維圖形和總裝圖的自動繪制上取得了很大成就,但隨著計算機軟體技術的發展和設計理念的演變,在對換熱設備零部件進行二維設計的同時,需要機械產品的三維實體模型,而且在零部件三維模型基礎之上,設計者可以對設計模型進行工程有限元分析,得到其工況下的真實溫度場和應力場的分佈,以便使設計者能及時對零部件模型的設計進行修改和優,最終設計出性能合格、重量較輕的理想產品。
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