硬度系數 的英文怎麼說
中文拼音 [yìngdùxìshǔ]
硬度系數
英文
coefficient of hardness- 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
- 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 composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll. now the research and production of the high speed steel for roll are very drastic. in this thesis, the microstructure, heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph, method of lattice, xrd, sem, eds and hardness
本文利用金相法(包括黑白金相和彩色金相) 、 x射線衍射( xrd ) 、掃描電子顯微鏡( sem ) 、能譜( eds )及洛氏硬度分析儀等手段,對復合軋輥用高速鋼fe - 2 c - 4 v - 4 mo - 5 cr - x w (其它部分如未作特殊註明均為質量分數)合金系的顯微組織、熱處理工藝及性能進行了系統地分析。Advanced digital hardometers ( testing the hardness and safe load of bolts ) etc. testing equipments. advanced digital hardometers testing the hardness and safe load of bolts ) etc. testing equipments, the 1, 500 sq. m. vertical goods shelves can hold more than 5, 000 tons goods loading, each bin has fixed codes, and has perfect enterprise digital informationization management system and the support of software, which greatly improves the rationality and simplicity of goods loading and enhances the accuracy of goods and quick delivery and is one - up on others
先進的數字化硬度測試儀(檢測螺栓的硬度及保證載荷)等檢驗設備,以及1500平方米的立體貨架可容納5000多噸貨物的存放,每個倉位都固定編碼,並有完善的企業數字信息化管理體系及軟體的支持,大大提高了貨物堆放的合理性和簡潔性,大大提高了貨物的準確性和發貨的快速性,使得更勝人一籌!Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation
針對以上問題本文做了以下一些工作並得到若干結論: ( 1 )提出了「復合雙層地基」的概念,並通過工程實例證明此概念的提出有其合理性和必要性; ( 2 )用彈性地基梁理論證實了復合雙層地基確有應力擴散效應,且擴散效應隨上覆硬層厚度、剛度的增加而增大,隨下臥層基床系數的增大而減小; ( 3 )建立了非線彈性、各向異性有限元模型,並以此為基礎分析了復合雙層地基的應力擴散效應,得到附加應力系數隨加固層厚度、寬度、剛度的增加而增大的結論; ( 4 )推導了可用於常規計算的復合雙層地基應力擴散系數公式,並代入工程實例進行了驗證。The springback angle increases with the increase of the punch round radius and clearances between the punch and the die while decreases with increase of the blank holder force, sheet thickness, friction coefficient and material hardening exponent
回彈角隨凸模圓角半徑和凸凹模間隙的增大而增大,隨壓邊力、板料厚度、摩擦系數和材料硬化指數的增大而減小。The variation of friction coefficients of pa6 composites with loading also accords with the friction behaviors of elastic materials under lower load ( p < 100 n ) ; for cu counterface, the friction coefficients of pa6 composites increase with the increasing of filler contents at the same load
我們認為,聚合物材料的摩擦系數變化除了與材料本身性能有關外,還與摩擦副的硬度有關。納米al _ 2o _ 3的加入,尼龍6的磨損量下降,但是對于尼龍6而言,存在一個最浙江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。Based on statistic property of all sub - bands coefficients, this paper gives a lossless image coding scheme including dpgm, huffman coding and run length coding. this scheme reduces the calculating complexity and works highly efficiently
針對圖像整數小波分解后的各子帶系數的統計特性,提出結合dpcm , huffman及遊程編碼的無損圖像編碼方法,該方法運算簡潔,速度快,易於硬體實現。Hard alloy die is made y taking high - quality hard alloy as its nips and fastening with steel die case. it is characterized by high hardness, good thermal conductivity, brasive coefficient and strong resistant to corrosion. it is suitable for drawn metal wire, bar and pipes. the types of dies includes rectangle, hecagon, octagon, diamond, trapezoid, basin and knob, u - shaped and half round types
硬質合金模具採用優質合金作模芯,並用鋼質模套緊固,具有硬度高,導熱性能好,磨擦系數小,抗腐蝕性等特點,適用於拉制金屬線材,棒材,管材等,另外,模具的類型有矩型、六角型、八角型、菱型、梯型、凹型凸型、馬蹄型、半圓型等各種異形模。This paper supplies the theoretical analysis and practical discussion on lateral force & friction from point of view about vehicle suspension and shock absorber itself. it gives a new utility engineering concept called shock absorber stiff coefficient. we also sum up the technology norms and parameters of the test of shock absorber lateral forre & friction property on domestic equipment comprehensively
該文從車輛懸架系統的角度和減振器本體的角度對車輛筒式減振器側向受力與摩擦進行了理論分析和試驗.提出了減振器硬系數等工程實用新概念.文中系統歸納了使用國產設備進行減振器側向受力與摩擦臺架試驗的技術路線與試驗參數Abstract : this paper supplies the theoretical analysis and practical discussion on lateral force & amp; friction from point of view about vehicle suspension and shock absorber itself. it gives a new utility engineering concept called shock absorber stiff coefficient. we also sum up the technology norms and parameters of the test of shock absorber lateral forre & amp; friction property on domestic equipment comprehensively
文摘:該文從車輛懸架系統的角度和減振器本體的角度對車輛筒式減振器側向受力與摩擦進行了理論分析和試驗.提出了減振器硬系數等工程實用新概念.文中系統歸納了使用國產設備進行減振器側向受力與摩擦臺架試驗的技術路線與試驗參數This paper introduced a much more precise sampling method using cpu hardware performance counters ( chpc ) to provide cpu data like instruction cycles, cache misses, branch prediction, and so on, and given detail scene of software status
摘要引入了基於cpu硬體性能計數器的性能數據採集和分析方法,從軟體運行時刻的細粒度參數入手分析軟體運行時刻的性能表現,從而更為準確地反映系統實際的動態運行狀態。In the beginning, the working principle, testing and data processing system of pdl micro - control material test machine is introduced ; then more attention is paid to the hardware system which is composed of high precision raster linear displacement sensor, high precision force sensor, the digital displaying sets, the interface equipments and the controlling circuits etc to perform the data collection and ensure the testing precision of the whole system
論文首先介紹了pdl材料拉伸試驗機的工作原理、測試及數據處理系統;接著詳細介紹了由高精度光柵線位移傳感器和壓力傳感器、數顯裝置、介面裝置及控制電路等組成的新的硬體系統,來完成數據採集,並保證整個系統的測試精度要求。Wedge hob drill head is applicable for medium harden rock layer, coarse grain granite, and it has below 9 - grade drillability. the compressive strength is no more than 10 of pull coefficient
楔齒滾刀鉆頭適合於中硬巖層,粗晶花崗巖,可鉆性9級以下,抗壓強度在普氏系數10 。It gives the hardware and softeware design of the temperature measure diagnose system of diesel enging ordinary failure. the hardware includes a infrared temperature measure appratus which contains memory and communication unites -, a data analysis computer which is used to analysis the data from the temperature measure appratus and gives the result report. the software includes modules such as comunicatio data analysis result print and operation interface between man and computer. it uses basic computer language which is easy to the users, the data communication instead of the data input with hand avoids the disadvantage of man and the erro of man
本文給出了柴油機常見故障測溫診斷系統的軟體系統和硬體系統的設計方法,硬體系統包括溫度檢測用的紅外測溫儀(具有數據存儲和數據通訊功能,可以很方便與上位計算機構成數據分析的診斷系統,在機車現場中操作十分方便)及用於數據處理的計算機系統(數據分析和報表) ;軟體系統採用basic語言開發了用於對紅外測溫儀數據讀取、分析和存儲並給出故障診斷結果的程序,具有代碼簡便、容易掌握和界面友好的特點,容易被現場工作人員接受。For the purpost of thin and even wall thickness distribution, and mass production dialy, the molds for food packaging materials, such as pudding cup, airline cup, jelly cup, closeure, pet preform. . etc., have to be designed combining precision and hardness with hot runnet system in structure
許多食品包裝器皿,如布丁杯、航空杯、果凍杯,瓶蓋、 pet瓶瓶胚等,由於其成品對于厚度及均勻度之要求相當嚴格,同時每日需生產龐大數量,因此其模具在結構上必須要求具有精密度高、硬度大、使用熱澆道系統等設計方可達到目的。A comparison of the optical and mechanical performance is made between with iad and without iad. the optical performances include the refractive index the extinction coefficient the packing density the vaccum - to - air shift and the afm images of the surface ; the mechanical performances include the adhesion and the hardness
光學特性涉及折射率、消光系數、波長漂移、聚集密度和表面粗糙度,機械特性涉及硬度和附著力。通過研究,發現離子輔助沉積對單層薄膜的光學特性和機械特性均有明顯改善。Aim at the current practical situation, a kind design procedure is presented on terminal which based on arm and c / os -, and selects the arm microprocessor and operating system combine with the demand of the subject. it designs the hardware system based on the lpc2124 and the periphery interface chipset, and implements the transplantation of c / os - on the lpc2124, compiles the hardware drivers and the api based on c / os -, the system introduces multitask based on dispatching priority to solve the disadvantage of the foreground / background system. a kind of project on remote update software based on gprs and iap is presented, and discusses the reliability in the end
針對目前實際情況,在研究了終端設計多項技術的基礎上,設計了一種基於arm和c / os -的配變監控終端,結合課題的要求對arm處理器和操作系統進行了具體選型,在基於lpc2124的mcu和外圍介面晶元上,進行了終端硬體系統的設計;實現了cos -在lpc2124mcu上的移植;編寫了基於c / os -的api介面函數和底層硬體驅動程序;採用多任務按優先權調度的方式解決了任務處理的實時性,克服了傳統前後臺軟體在復雜的監控終端設計中實時性差的問題;針對終端軟體升級方案進行了探討,提出了一種基於gprs網路的遠程在應用編程( iap )的軟體升級方案,對終端軟體升級模塊進行了軟、硬體設計,並對升級方案的可靠性進行了探討。Fatigue strength coefficient decreases linearly during the cyclic course ; fatigue strength exponent increases ; fatigue ductility coefficient first goes up till the maximum value at 50 % total life, and then goes down ; fatigue ductility exponent decreases during the first half cycle till its minimum value at 50 % total life and then increases in the rest cycle course ; cycle strength coefficient and cycle strain hardening exponent both decrease during the total cycle course
結果表明: 6個基本疲勞特性參數在循環過程中都呈顯出規律性變化。疲勞強度系數呈線性減小趨勢;疲勞強度指數呈線性增大特徵;疲勞延性系數是一個先增后降的過程;而疲勞延性指數隨循環進行由初始減小到逐漸增大;循環強度系數和循環應變硬化指數在整個循環過程中都趨于減小。Magnetic hardness coefficient
磁硬度系數Using the device, we tested two groups of samples that included the steel of 40cr and the steel of 65mn, got a single - valued relationship between displayed value on the device and tempering hardness
對以40cr和65mn為代表的回火件進行了硬度測試,得到了其回火硬度與數顯值之間良好的單值對應關系。分享友人