硬度曲線 的英文怎麼說

中文拼音 [yìngxiàn]
硬度曲線 英文
curve of hardness
  • : 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
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 硬度 : hardness; solidity; scirrhosity (腫瘤的)
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫,回火溫,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細化晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的存在,其細化晶粒及其碳氮化物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應,會在硬度曲線中產生明顯的二次化現象。
  2. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫控制器、溫變送器、信號放大電路等體;採用升溫來控制爐膛供熱過程;採用最小二乘法非性回歸與分段函數相結合的模擬方法,進行圖形處理。
  3. The entire rotating assembly shall be designed with sufficient rigidity and balanced to provide for a maximum shaft deflection at the lower seal of 0. 002 " under all operating points between plus or minus 40 % of the flow at best efficiency point ( bef ) on the pump ' s performance curve

    整個旋轉總裝都應該具有足夠的,在泵性能最好性能的正負40 %的范圍內,在所有工作點,最大的軸偏差限制在0 . 002英寸內。
  4. This works has complete product specifications and varieties. it can offer double - faced coating adhesive, single - faced coating adhesive, fully automatic linear edge sealing machine, double - faced coating adhesive automatic straight - line, hand - operated curve & straight - line, three - row, four - row, six - row, high precision multi - drill, precision multi - drill, precision pulling bench saw, 45 - 135 aluminum frame and wooden mirror frame angle cutter, stroke charge open sawing machine, hard alloy saw sharpening machine, hydraulic press etc. it supplies woodworking machinery parts, fittings, clamp and so forth. it also receives the transport business for vart customers

    本廠產品規格種類齊全,可提供雙面塗膠、單面塗膠、全自動直封邊機、雙面塗膠自動直、手動、三排、四排、六排、高精排鉆、精密推臺鋸、 45 - 135鋁框及木製鏡框切角機、往返開料鋸機、質合金磨鋸機、液壓壓機等,供應木工機械配件、附件、夾具等,並代辦運輸業務。
  5. It is required for the radome to be machined with high geometrical accuracy and to meet a very special demand in electrical performance. however, there have never been before available technologies and equipments for machining the radome precisely and satisfactorily, which has become an urgent problem to be solved in the key engineering r & d of the national defence

    由於天罩屬三維復雜脆材料的薄壁零件,結構復雜,加工精要求高且非常特殊,目前尚無現成精密加工技術和工藝裝備可用,極大地制約了天罩製造精的提高,是我國先進型號導彈研製過程中亟待解決的問題。
  6. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容: ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程;以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解,對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎; ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論,並對衛星移動通信通道建模的研究工作提出了一定的看法; ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤;並從接收信號功率的角出發,通過理論推導及模擬擬合重新證明了在鄉村環境下,這兩個模型的確是具有等同性的;從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時,可以只採用corazza模型來對實際的通道進行建模,這樣可以避免重復的建模工作並提高研究工作的效率和準確性; ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果,保證了該模型在體實現時的可靠性和可行性,從而可以將它們應用於指導模型的體模擬實現並可以降低體實現時的風險。
  7. Determination method of the damage threshold stress and damage threshold strain is given, six kinds of damage variables ( which are across isotropy effectual elastic modulus damage variable, simple effectual elastic modulus damage variable, density damage variable, volume damage variable, volume density damage variable and area density damage variable ) are defined, evolution curves and evolution equations of harden yield damage are obtained

    提出了損傷應力和應變門檻值的確定方法,並定義了六種損傷變量(即橫觀各向同性有效彈性模量損傷變量,簡單有效彈性模量損傷變量,密損傷變量,體積損傷變量,體積密損傷變量和面積密損傷變量) ,在此基礎上得出了化屈服損傷過程中的損傷演化和演化方程。
  8. In comparison, it is that by using the curvefitting method, the hardware implementation is simple and the measured angle has a high precision

    從比較中看出,採用擬和的方法,體實現簡單,測角精也比較高。
  9. This paper has got an analytical expression with temperature information by curve matching technique, by this means, we can not only predigest hardware circuit but also realize the function of selfrevision and selfcompensation

    本論文應用擬合技術,融入溫信息,得出帶有溫信息的壓力解析表達式,此方法簡化體電路且可實現自校正自補償功能。
  10. The following is the experimental investigations on solidification process of stearic acid. the influences which the inlet temperature and reynolds number of the cooling water have on the solidification process are presented. figures that display how heat flux change versus time has been drawn and analyzed

    然後是脂酸凝固問題的實驗研究,分析了換熱流體進口溫、換熱流體re數大小對凝固過程的影響,繪制了凝固過程中熱流密變化,比較了螺旋肋肋寬對強化傳熱效果的影響。
  11. Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great

    採用雙向楔形壓制,大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時,大的孔洞變形破碎為小的孔洞,或呈狀孔;隨著高向變形量的增加,顆粒進一步變形,孔洞進一步破碎,大孔「吞併」小孔,小孔塌陷並逐步消失;當高向變形量達到60 %時,孔洞量大為減少,材料基本緻密,組織趨于均勻,楔壓坯料的密變化接近水平,坯料的相對密達99 . 7 % ,抗拉強_ b = 408mpa ,屈服強_ ( 0 . 2 ) = 289mpa ,延伸率= 13 . 6 % ;對比其它的壓制溫,在450楔形壓制的坯料組織均勻,孔洞及顆粒邊界基本消失,顆粒之間冶金結合良好。
  12. In this article, we study the implemetation of fpga for elliptic curve digital signature algorithm. based on number thesis 、 abstract algebra and complex thesis , integrated information theory 、 cryptography and some specific relevant algorithm , we ascertain the implementation of ecdsa for hardware project : according to the design idea of hiberarchy and modularization, we adopt very high speed ic hardware description language ( vhdl ) as design input and simulate the design in every level and every model for the correct of the fundamental design. after finish the top design, we perform the whole simulation. then , we carry out the timing simulation after the logic synthes and layout

    本文從實際應用出發,研究了橢圓數字簽名演算法的fpga的實現:以基本的數論理論、抽象代數和復雜理論為依據,結合信息論、密碼學的一些知識以及一些具體的相關演算法,確定了ecdsa的體實現方案:按照層次化、模塊化的設計思想,採用體描述語言vhdl作為設計輸入進行ecdsa的體設計;在每個設計層次和每個模塊都進行了模擬驗證,得以保證底層設計的正確性。在確保每個模塊的設計正確后,完成對電路的頂層設計,進行總體的模擬。
  13. 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,討論了高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加速演算法的證明:最後採用軟體工具進行測試驗證,給出了模擬、綜合實現的結果,並在附錄中有詳細的實驗結果數據。
  14. The macromolecule paint freee boards are compounding material, which is a new type decorative material, no formaldehyde content, surface smooth and beauty, restraining combustion elegance color, handle comfort, paint free, burn blocking, innoxiously, prevent mildew and damp, no volatile odor, fine surface hardness, anti - impact, sound insulation, shockproof, no shrinking and crazing

    高分子免漆板屬高分子免漆復合材料,綠色環保,材料不含甲醛,外表光滑、表面美觀、色彩高雅、手感舒適;免油漆、無毒、防霉、防潮、阻燃、無揮發性的氣味,表面好、耐沖擊、隔音、防震、不收縮不開裂,耐久性好,可成型,是一種新型裝飾材料。
  15. Ecc can provide high security. under the same security level, ecc has smaller key and lesser consurne ( computation, memory, bandwith and power needed ), so it is ideal in constrained systems. in this paper, the author primarily introduce elliptic curve cryptosystems

    橢圓密碼體制不但可以實現高安全性,而且在同等安全強下,橢圓密碼體制具有較短的密鑰長和較小的開銷(所需的計算量、存儲量、帶寬、軟體和體實現的規模等) ,因而,橢圓密碼體制在受限環境中是理想的選擇。
  16. The forth chapter focus on the researches of decoding algorithm, first studies the decoding theory and decoding approaches of several iterative message passing algorithms for ldpc code, because of the conflict between simplification and reduced performance of bp decoding algorithm, the thesis analyzes the calculation complexity of each algorithm, and simulates the performance of each algorithm, by considering the tradeoff between hardware complexity and error performance, we get two algorithms which are much easier to implement : bp - based and normalized bp - based decoding algorithm, especially, the last one achieves considerable improvement with almost the same complexity

    第四章對ldpc碼譯碼演算法進行了深入研究,給出了基於置信傳播的幾種譯碼演算法的原理和步驟,圍繞著bp演算法的簡化與譯碼性能下降的矛盾,研究了每一種譯碼演算法的復雜分析,並相應地給出了每一種譯碼演算法的模擬性能,綜合考慮譯碼性能和譯碼復雜兩個方面,從而得出了適合體實現的演算法: bp - based和normalizedbp - based演算法,後者在基本不增加譯碼復雜的情況下,對譯碼性能有較大的提高。
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