最高硬度試驗 的英文怎麼說

中文拼音 [zuìgāoyìngshìyàn]
最高硬度試驗 英文
maximum hardness test
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 硬度 : hardness; solidity; scirrhosity (腫瘤的)
  • 試驗 : trial; experiment; test
  1. Weldability testing - testing method of maximum hard ness in weld heat - affected zone

    焊接熱影響區最高硬度試驗方法
  2. Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices

    用光的輻射和強理論,我們計算出了獲得足夠圖像強所需的少光源;用圖像分割理論,我們在紙條傾斜放置或有垂直方向上的偏移時,準確地提取出了各模塊的數據;用平滑濾波和均值濾波理論,我們濾除了由於反應不均勻及體設備不穩定帶來的噪聲;用交遇區設計線性分類器的方法,我們降低了有限樣本設計線性分類器帶來的誤差,提了檢準確
  3. This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design

    首先進行了方案論證,對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析,提出應用模糊控制和雙余法解決下述問題,即該論文主要的新見解和所完成的工作: ( 1 )為了克服直流電機參數時變性和非線性因素對控制性能的影響,本設計中,雙閉環調速系統的外環採用模糊控制,內環採用pi控制,使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力; ( 2 )針對常規數字觸發器演算法中觸發脈沖的可靠性不,經常出現漏脈沖或是脈沖混亂的情況,本文採用雙余法,該演算法具有響應快,可靠性,具有良好的適應性及抗干擾能力; ( 3 )本設計中採用了速快、功能強的tms320lf2407作為系統的主控晶元,應用該晶元完成系統的軟體設計: ( 4 )本文對系統抗干擾的軟體措施進行了重點研究; ( 5 )設計了具有模糊控制的全數字直流傳動系統原理樣機,並進行了證,對過程中出現的問題及時解決,終實結果證明設計是可行的。
  4. According to the present state that corrugated rollers life - span in our country is far lower than that abroad, corrugated rollers material has been analyzed deeply in this paper. a lot of experiments have been done on nine kinds of steel materials. through the analyses of hardness and micrographs of these heat - treated materials, new materials of corrugated roller have been picked up, which can prolong corrugated rollers life - span remarkably

    針對目前國內瓦楞輥工作壽命遠遠低於國外水平的現狀,從瓦楞輥的材質入手,在分析瓦楞輥常用材質的基礎上,對九種可供選擇的材質進行了大量的科學,根據熱處理后及顯微組織分析,從中優選出了瓦楞輥的新材質,終找到可大幅瓦楞輥工作壽命的新途徑。
  5. ( 3 ) there are many flaws in direct laser metal sintering, such as the high remnants stress, micro - hole and micro - crack in sintering parts. in order to solving those problems, the programming of scanning paths is put forward, and several parts are prepared with different scanning paths respectively. the following conclusion is educed : the parts produced with short - side scanning path and same scanning direction have the minimum structure, the rigidity of parts prepared by short - side and same direction scanning path is highest, and the density of parts produced with the vertical scanning path is maximal

    ( 3 )針對採用大功率激光直接燒結鎳基溫合金成形金屬零件存在的問題,如較大的殘余應力,製件中存在著微裂紋、微孔洞等缺陷,初步提出掃描路徑的規劃,並採用幾種不同的掃描方式進行燒結,發現採用短邊掃描路徑和同向掃描能夠獲得更加細小和分佈均勻的組織結構,採用短邊同向路徑制備的樣其顯微,而採用變向掃描(垂直)路徑制備的樣緻密性好。
  6. According to the basic theory of iir filters, a scheme of hardware implementation is worked out combining with the fact that coefficients of numerator and denominator of transfer function are fixed and the structural feature of selected hdpld. from the clew of implementing a stratified , modularized and parameterized design , the thesis describes the hardware implementation of the iir filter with vhdl and schematic diagram design method. two examples that are iir notch filter and iir low - pass filter are given , the stability of filters and the effects of quantification of coefficient are also analyzed

    以iir數字濾波器的基本理論為依據,結合濾波器的傳遞函數分子、分母系數固定這一事實和選用的可編程邏輯器件的特點,確定了iir數字濾波器的體實現方案;按照層次化、模塊化、參數化的設計思路,採用vhdl體描述語言和原理圖兩種設計技術進行了iir濾波器的體設計;本文給出了iir陷波濾波器和低通濾波器兩個設計實例,對設計的濾波器都進行了穩定性分析和系數量化影響分析;終將完成的iir濾波器的體設計配置到晶元中,並在製作的實電路中進行了實際濾波效果測
  7. The results show that, with the quenching temperature ( 270 ~ 380 ) increasing, the carbon content and percentage content of retained austenite increase first and then decrease, which are up to a maximum value at 360 ; the tensile strength of adi decreases ; the elongation and impact ductility of adi increase first and then decrease, which are up to a maximum value at 360 ; but the hardness of adi decreases first and then increases, which is up to a minimum value at 360

    結果表明,在范圍內( 270 ~ 380 ) ,樣中殘余奧氏體的含碳量及其含量隨著等溫淬火溫的升先增大后減小,均在360等溫淬火時出現大值;抗拉強隨著等溫淬火溫的升而逐漸降低;伸長率和沖擊韌隨著等溫淬火溫的升先增大后減小,在360等溫淬火時出現大值;則隨著等溫淬火溫的升先減小后增大,當360溫淬火時低。
  8. First, the basic raster graphics algorithms for drawing 2d primitives are introduced, including edge coherence and the scan - line algorithm of triangle, brush algorithm of thick line ( and its improved method ) and midpoint circle and ellipse algorithm ; and the current situation of the advanced algorithms is also involved. second, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are proposed also ; then, the implementation of basic graphics in hardware is discussed in detail, the state machines are drawn in the paper, and the interfaces of hardware are defined, block diagrams too, and the advanced algorithm of conic is proved ; finally, some issues about test are described, the results of simulation and synthesis are given in the last, and some detailed data are displayed in the appendix

    首先介紹了現有的基本圖形生成演算法,包括三角形邊相關掃描演算法,寬直線的線刷子演算法及其改進和圓形、橢圓的生成演算法,同時介紹了加速演算法的研究現狀;然後,討論了級語言描述到體描述語言的映射,提出了演算法到狀態機抽象的規律;接著具體討論了基本圖形的體實現,給出了各演算法的狀態機圖,介面定義和實現框架,並且從理論角給出了二次曲線加速演算法的證明:後採用軟體工具進行測證,給出了模擬、綜合實現的結果,並在附錄中有詳細的實結果數據。
  9. Results show that the high aluminum zinc base alloy za27 alloyed by si has an overall higher hardness and tensile strength ; mn can improve alloy ' s hardness and at the same time reduce the elongation. when the content of mn is 1. 5wt. %, the hardness of the alloy is the highest but the elongation lowest

    結果表明,加si的鋁鋅基合金za27總體上、抗拉強均較; mn的加入有助於za27合金的提,加1 . 5 mn時合金條件下, mn的加入量超過0 . 8時,其延伸率下降,在1 . 5時達到低值。
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