放熱曲線 的英文怎麼說
中文拼音 [fàngrèqūxiàn]
放熱曲線
英文
exotherm curve-
The experimental results show that these models can express precisely the isotherm hydration heat emission curve of portland cement and the autogenous shrinkage process of concrete prepared with portland cement
實測數據檢驗結果表明,這2個模型可以用於模擬硅酸鹽水泥的等溫水化放熱曲線,以及用硅酸鹽水泥配製的混凝土的自收縮發展過程。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度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。The dta curve of the fine clay fraction exhibits a major exotherm near 340℃.
這種細粒土級分的DTA曲線接近340處有一個很大的放熱峰。In the isothermal crystallization experiment, the dsc exothermic curves become flat as decrease of the degrees of undercooling within the experimental temperatures
在等溫結晶實驗中,在所測試的結晶溫度范圍內,隨著過冷度的減小, dsc放熱曲線趨于變緩,結晶完成時間延長,結晶速率減小。400 - 432 exothermic peak in dta curve of remainders and 460 - 490 weight loss peak in dtg curve appeared at the decaying process in oasis ecosystem, but did n ' t appear in desert ecosystem. the weight loss rate of dta 300 peak was correlative to qv outstandingly ; the weight loss rate of dta 450 peak was not correlative to qv
綠洲生態條件下,腐解過程中玉米秸和大豆秸的dta曲線中出現了400 - 432的小放熱峰, dtg曲線中出現了460 - 498的小失重峰,而荒漠生態條件下則沒有出現。< uk > the dta curve of the fine clay fraction exhibits a major exotherm near 340. < / uk >
< uk >這種細粒土級分的dta曲線接近340處有一個很大的放熱峰。 < / uk >It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates
結果表明,與硅酸鹽水泥相比,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和衰減期延長,水化反應速率明顯降低;低溫時,水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰;高溫時,反應速率加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。The results show that mno which not be modified can not be use as electrode active materials because of its poor electrochemical activity. meanwhile, the rechargeabilify of mno modified by bi and pb is improved. bismuth could prolong the second electron equivalent discharge and lead could improve the first electron equivalent discharge performance
I44 )對熱分解產物進行了充放電,循環伏安,恆電流極化, tafe曲線分析,交流阻抗分析,得出未摻雜的mno直接作為電極活性材料,其電化學活性很差,但通過摻bi , ph進行改性,提高了其可充性, 1的影響主要在於第二電子放電, ph則可以延長第一電于放電It can be seen that fire growth and heat release rate curve can be obtained through the calculation of fire load and the estimation of fire spread, which can provide the input for the latter work and enhance the efficiency of fire protection analysis observably
可以看出,根據火災荷載的計算和火災蔓延可能性的討論,得到火災發展的變化情況和熱釋放速率曲線,能夠為之後的工作做好前期準備,同時顯著提高這項工作的效率。Through basal theory and experiment discussions, the following are obtained : there is a distinct difference more than 150 between the combustion exothermic reaction of coal and the decompounding endothermic reaction of caco3, which is the main component of crm, while few thermal reactions happen during the area of such difference in the crm without coal ; there is a one - to - one relationship between dta curve acreage and crm heat
論文通過基礎理論和試驗探討,得出煤燃燒放熱效應與生料主體成分caco _ 3分解吸熱效應之間有150以上的溫度差,對應白生料在差熱儀特徵峰溫度區間基本沒有熱效應, dta曲線峰面積與生料熱之間存在明顯的單一對應關系,從而提出用差熱法測定生料熱的設備開發思想。With the pressure measurement system for the swirl chamber diesel engine, by using the methods of equivalent power and the seven point three degree average for the indicator diagram, we can correct the tdc, smooth the pressure curve and make more accurate pressure data that is a well basis for the calculation of combustion heat release rate
摘要本文在自行開發的渦流室柴油機壓力數據測錄系統的基礎上,利用等效功法和七點三次加權移動平均法,分別對示功圖進行了上止點校正和壓力曲線光順,使壓力數據更精確,為燃燒放熱率的計算打下了良好的基礎。Theories and method of the work process computation were presented in the paper. double vibe function law to get the calculation results of working process of tbd604b diesel and was consistent with experimental measuring results of combustion heat release of tbd604b diesel
本文論述了工作過程計算理論及方法,經對tbd604b柴油機實測放熱規律分析,確定了採用雙韋伯曲線的燃燒放熱規律,並應用此方法對tbd604b柴油機的工作過程進行了計算。分享友人