硬度比系數 的英文怎麼說
中文拼音 [yìngdùbǐxìshǔ]
硬度比系數
英文
hardne ratio factor- 硬 : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 硬度 : hardness; solidity; scirrhosity (腫瘤的)
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment
利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測,通過與實驗數據進行比較,預測的低共熔溫度與實驗測定溫度較為吻合,其相對誤差為0 . 51 ,這將為快速獲取多元體系的相變材料提供預測方法。To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed
對于基於積分梳狀( cic )濾波器和半帶( hb )濾波器的多級系統設計的抽取濾波器組,分析了濾波器設計中所涉及的各個參數,將剪除理論應用於多級積分梳狀( cic )濾波器的設計中,並且採用分散式演算法( da )來設計半帶( hb )濾波器,並對模擬結果進行比較,這些先進演算法的應用,進一步提高了硬體效率和運行速度。The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。The effect of car body elastic vibration on the ride comfort is analyzed. the ride comfort and acceleration responses of the car system with rigid car body model or elastic car body model are studied and compared. finally by using ansys / ls - dyna software, the finite element impact models of car body with a rigid wall have been set up, then the displacement, velocity, acceleration and energy variation of the car body are analyzed and compared for before and after lightening cases under the condition of impact speed 5. 8m / s and 11. 8m / s
本文利用ansys軟體建立了25k硬臥客車車體輕量化前後的有限元模型,計算了車體的強度、剛度和模態,並對輕量化前後的車體作了對比分析;然後,用nucars動力學分析軟體建立了25k硬臥客車系統的數學模型,分析了彈性振動對平穩性的影響,並對剛性車體和輕量化前後的彈性車體對平穩性和加速度響應的影響作了對比分析;最後用ansys / ls - dyna軟體建立了25k硬臥客車車體輕量化前後的動態顯式有限元模型,分別在5 . 8m / s和11 . 8m / s的速度下碰撞剛性墻,得到了車體的相對位移、速度、加速度和能量的變化過程,並作了對比分析。Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release
根據界面粒子速度剖面,計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系,所得結果與文獻給出的數據符合很好;其次,利用阻抗匹配近似,計算分析了無氧銅卸載過程的應力-應變關系,並與流體彈塑性模型進行了比較,結果表明:無氧銅的卸載過程存在明顯的應變硬化效應。Besides the design of the hardware construction for shape meter, the software system written in visual basic 6. 0 is also developed. the real - time data acquisition and conversion system worked in interrupt mode is accomplished by means of loading dynamic linkage library of pcl - 812pg enhanced multi - lab card. the converted data processing will be operated then, for example, scale operation, comparison, graphic display, data storage, etc. the adjusting values for the shape control are also calculated in it
本文在參考大量帶材標準板形、軋制初始量設定、調節量計算研究的基礎上,確定了標準板形模型、設定模型、調節控制模型等數學模型;並給出了其相應的演算法;完成了板形儀計算機控制系統的硬體設計,並在此基礎上,應用高級開發語言visualbasic6 . 0 ,通過加載pcl - 812pg多功能數據採集卡的驅動程序后,調用動態鏈接庫( dll )中的函數的方法,完成了信號中斷方式下的實時數據採集,採集的數據經計算機作標度變換、對比、圖形顯示、存儲等處理,並提供了用於板形閉環控制的調節量。The vehicle video traveling data recorder based on arm is an intelligent device that can be used for monitoring and recording the situations during vehicle traveling. this device is a important improvement on the conventional devices of similarity which only record the basic vehicle traveling status such as speed, engine temperature, brake operation and so on. it is remarkable that this device offers video recording function that circularly record the environment inside and outside the vehicle for tens of minutes
基於arm的汽車視頻行駛記錄儀系統,除了按照國家有關標準,對汽車的行駛狀態的數據(速度、時間、以及各種控制的開關量)進行實時保存外,與同能產品相比,還更加註重視頻方面特有的功能優勢,通過軟體和硬體晶元協調工作實現了視頻圖像的壓縮和存儲,能夠循環存儲數十分鐘的視頻圖像。This theses mostly studied a series of arithmetic of image preprocessing, image segmentation and image matching for image data, referring to advance image processing technique overseas at present. regarding the real - time image measurement system as the tool for debugging, it finds appropriate arithmetic to process real - time image and applies them to actual hardware equipment. the system has higher precision and more real - timely
本論文參考當前國外先進的圖像處理技術,研究了圖像數據的預處理、圖像分割、圖像匹配等主要演算法,並以實時圖像跟蹤測量系統作為硬體調試平臺,比較出適合實時圖像處理的演算法並將其應用到實際的系統硬體設備中,使準確性更高,實時性更強,解決了實時圖像處理在4對比度下的目標探測問題。Based on the comprehensive statistical analysis of inelastic displacement ratios, the regression equations of - r - t about the strength reduction coefficient and inelastic displacement ratios are obtained. the effects of soil condition, earthquake magnitude, epicenter distance, damp ratios and hysteretic characteristics are considered in detail
通過對理想雙線性體系的均值彈塑性位移比與強度折減系數進行了統計分析與數值擬合,建立了兩大類場地土(硬土、軟土)下的- r - t回歸公式。Because direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable for the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function
在本控制系統的具體實現上,由於直接轉矩控制對實時性要求很高,因此在硬體方面,採用了目前比較流行的數字信號處理器( dsp )作為系統的控制器,其處理速度高的特點正好符合本實驗的需要:在主電路中,本系統使用了集成度高的功率器件:智能功率模塊( ipm ) ,作為逆變環節,其集成了七個igbt ,實現了高開關頻率逆變以及故障診斷的功能,從而使控制系統的體積大大縮小、控制更加靈活。Due to the direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable to the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function
在本控制系統的具體實現上,由於直接轉矩控制對實時性要求很高,因此在硬體方面,本課題採用了目前比較流行的數字信號處理器( dsp )作為本實驗的控制器,其處理速度高的特點正好符合本實驗的需要;在主電路中,本系統使用了集成度高的功率器件:智能功率模塊( ipm ) ,作為逆變環節,其集成了七個igbt ,實現了高開關頻率逆變以及故障診斷的功能,從而使控制系統的體積大大縮小、控制更加靈活。There are two parts in system : one is client and the other is server. with the information increasing, the two - tier construction shows a lot defect. for example, inefficient ; the operating load is unequal to the unwieldy system ; the cost for maintaining the system is high ; the investment in hardware of client is high
在信息系統中,兩層結構的客戶機服務器模式一度在計算機業內風行,但隨著it技術的發展,大型數據庫的應用系統的出現,這種兩層結構已不能滿足不斷增長的需求,主要體現在以下幾個方面:執行效率無法滿足日益膨脹的客戶數據請求;過于龐大的系統在負載平衡能力上顯得力不從心;系統維護成本偏高,擴充工作量大;客戶端硬體投資比例大。The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel
結果得出: ( 1 )根據固體與分子經驗電子理論,利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ,可以選擇工模具鋼基體相的強化元素; ( 2 )根據合金系相平衡熱力學計算及已有的相圖,可以碳化物類型、數量及其相變確定合金元素含量; ( 3 )新型dm9鋼在強韌性(抗彎強度、屈服強度、無缺口沖擊值)和硬度方面均高於cr12mov鋼; ( 4 )以dm9鋼與6crw2si 、 7cr2wmovsi ( dm7 ) 、 h13和cr12mov四種模具鋼的實驗比較,進一步驗證了上述冷作模具鋼合金設計方案是合適的。With performance of up to 900 million floating - point operations per second ( mflops ) at a clock rate of 150 mhz, tms320c6711 is fit to tackle with the problem. this thesis made a deep research on the h. 263 standard and the tms320c6711. we propose the plan of the software and the hardware for the realization of the h. 263 protocol which include the structure of the whole program, the c code of the key algorithm of the h. 263, the c code of some subprogram, and the circuit for image processing with the tms320c6711 as the processor. furthermore, we optimize some subprogram in common use to make the coding more quickly. we encode a video sequence with the tms320c6711dsk successfully, even if the compression rate is as high as 100, video effect we get after decoding the code stream is satisfying
首先系統地研究了h . 263協議編碼器的基本演算法,句法,碼流結構和tms320c6711dsk的原理結構以及ccs2 . 0的開發環境;在系統的軟體方面給出了總體流程圖,對于h . 263協議編碼器的某些核心演算法和子程序,給出了部分源代碼,對于dsp的各種代碼優化方法進行了討論,並且對代碼進行優化,從而在提高系統處理速度的同時減少代碼大小和內存需求量;硬體方面以tms320c6711為核心處理器,提出了基於tms320c6711的圖像處理平臺的硬體實現方案,並給出了原理電路圖;最後在tms320c6711dsk上成功對視頻數據進行高壓縮比( 100倍以上)的編碼,對回傳的結果解碼后得到了令人滿意的效果。Because of the difference of density, the particle with big conductivity factor will subside in the organic phase change materials, so the orginic phase change materials were solided. the best technology was determined, which the solidation fatty alcohol was made by two steps, the solidation temperature is at 80, and the proportion of fatty alcohol : fatty acid : sodium hydroxide is 96 : 3 : 1
由於密度差的存在,高導熱系數粒子在有機相變貯能材料中會產生沉降,為了克服這一現象,對有機相變貯能材料進行了固化研究,確定了制備固化十二醇的最佳工藝條件,即採取兩步法、固化溫度為80 、添加比例為十二醇:硬脂酸:氫氧化鈉= 96 : 3 : 1 (質量比) 。Because of the complicated flight state of the aircrafts, there rests a critical demand for high speed operation of flight data in the synthetical graphical display system : we must finish all computations of the flight data and send them into the display panel in a very short time which is critically specified by the display instruments
在機載綜合顯示系統中,由於飛行狀態復雜,對飛行數據的處理和顯示都提出了比較嚴格的時間要求:需要在顯示器的一幀時間內完全計算數據並完成顯示任務。因而在工程中,硬體設計的運算速度成為至關重要的因素之一。Finally we conducts rig test with fuzzy control system. the test results indicate fuzzy control system is able to lower intensity of body vibration and the national standard on the vibration eligible class of the engine is met. it is demonstrated that the mathematical model and fuzzy control arithmetic presented by the paper are accurate and reliable, which make an active seek and research on control strategy of engine vibration
以matlab + simulink為模擬工具,設計了模糊控制系統和被動控制系統兩類不同的模擬模型,並進行了對比模擬和結果分析,在此基礎上,設計開發了以80c196kc單片機為主控器件的模糊控制系統,進行了控制系統的軟、硬體設計,最後對所設計的模糊控制系統進行了臺架實驗,實驗結果表明模糊控制系統能有效地降低了內燃機整機振動的強度,達到了國標規定的合格級,證明了本文建立的數學模型和模糊控制演算法是正確可行的,在內燃機振動控制策略方面作了一個積極的探索和研究。The proposed algorithm lows the complexity by choosing decision delay in advance and then making solution of the equalizer tap coefficient, a new decision delay choice method is proposed, solution by using weight method, diagonal matrix transform, z extension and a new energy restrictive condition which restrains noise enhance, a new decision delay choice method is proposed, the simulation result shows that the proposed algorithm has better equalization effect and enhanced performance comparing to the general mmse algorithm, simulation research on the precision and dynamic scope of parameters in digital realization time domain equalization algorithm, design software and hardware of time domain equalizer. fourthly, there exist a lot of interfere in dsl line, especially, dsl works in multi - user mode, the near end interference is serious
通過先選擇判決時延,再進行時域均衡器抽頭系數求解的方法降低了時域均衡計算復雜度;對于均衡器抽頭系數的求解使用了加權技術,通過對角矩陣變換, z擴展,使用不同的能量約束條件對演算法求解,結果表明這種約束有效的抑制了噪聲增強,與常用刪se比較,該演算法有更佳的均衡效果,演算法性能得到了提高:論文還對數字化實現時域均衡演算法中每一部分參數的精度、變量的動態范圍進行了模擬研究,對時域均衡的軟硬體實現進行了設計。Hardness ratio factor
硬度比系數Through consulting the cutter standard graphics in the book of " dijet carbide tools, " the standard and improved cutter standard graphic database is established with database language. by the parametric design of cutter, the efficiency during the period of cutter design is increased greatly, the cutter movable cycle enlarged and the cutter service life extended. the selections of optimum cutter and cutting quantity for the spare parts with different materials, hardness, specifications and types are analyzed
刀具標準圖形庫是基於autocad的環境下,實現車間一級的針對刀具的圖形管理系統,通過參考《黛傑硬質合金切削刀具》書中的刀具標準圖形,運用了數據庫語言建立了標準的、比較完善的刀具標準圖形數據庫,並對刀具進行了參數化設計,大大提高了刀具設計過程中的效率,加大了對刀具的活動循環,延長了刀具的使用壽命,對不同材質、硬度、規格型號的零件如何選擇最佳的刀具以及切削用量的選擇做了分析。分享友人