1) the curve of rised and lowered temperature
升降温曲线
1.
Based on heat balace differential equation, a new formula for deducing the curve of rised and lowered temperature is developed under a certain fix power.
以电热法养护热平衡微分方程式为基础,确定了在固定功率条件下升降温曲线的计算公式。
2) reducing speed and raising speed of curve
升降曲线
3) elevated temperature curve
升温曲线
1.
The influence of elevated temperature curve and the location of fire of on the rise of temperature of the tapered beam is studied.
采用有限元法对门式钢刚架结构中的变截面梁进行了数值模拟,分别得到其在ISO标准升温曲线和局部火灾下的温度场变化,考察了升温曲线及火源位置对变截面梁升温的影响。
2.
In this thesis, behaviors of unbonded prestressed concrete slabs including 4 simply-supported slabs and 9 continuous slabs are investigated under fire, based on the elevated temperature curve accord to the ISO standard fire curve.
本文采用标准升温曲线,对4块简支板及9块连续板分别进行了火灾行为的试验研究。
4) curve of temperature increasing
温升曲线
1.
By the method of lowest two multiplications, the ideal curve of temperature increasing of EED can be obtained, which serves as a ground of nondestructive inspection and effectively evaluates the explosion properties of EED.
用最小二乘法拟合电雷管点火头的理想温升曲线作为无损检测的判据,从而有效地判断电雷管的爆炸性能。
5) lowing temperature curve
降温曲线
6) cool down curve
温降曲线
补充资料:正温度系数热敏陶瓷阻-温特性曲线
分子式:
CAS号:
性质:描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高,先是降低,当达到某一值Tmin时,曲线出现极值,经过极值后电阻率随温度升高而急剧上升,此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后,阻温特性曲线发生弯曲,电阻率开始逐步降低,此时对应的温度为Tp。温度处于Tb至Tm之间时,热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ,式中Rb,Rp为Tb,Tp温度下的相 应零功率电阻值。αT大于10%/℃,为开关型热敏陶瓷电阻器。αT小于10%/℃,为缓变型热敏陶瓷电阻器。
CAS号:
性质:描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高,先是降低,当达到某一值Tmin时,曲线出现极值,经过极值后电阻率随温度升高而急剧上升,此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后,阻温特性曲线发生弯曲,电阻率开始逐步降低,此时对应的温度为Tp。温度处于Tb至Tm之间时,热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ,式中Rb,Rp为Tb,Tp温度下的相 应零功率电阻值。αT大于10%/℃,为开关型热敏陶瓷电阻器。αT小于10%/℃,为缓变型热敏陶瓷电阻器。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条