1) Point heat pulse
点热源脉冲法
2) Pulse plane heat source method
脉冲平面热源法
3) acoustic gravity wave
脉冲点源
1.
According to the theory of acoustic gravity waves caused by an impulisive point source in the middle atmosphere and the interaction between electrons and neutral particles,an expression among the parameters of additive electronic density,the rate of additive electronic density with time,reflection height and Doppler shift is obtained under the condition of small disturbance.
由中层大气中脉冲点源激起的声重力波及中性粒子和带电粒子之间的相互作用，在小扰动下，首次得到了由于扰动引起的附加电子浓度，附加电子浓度的时间变化率，反射高度和多普勒频率漂移随着时间的变化表达式。
4) heat pulse method
热脉冲法
1.
Daily and seasonal variability in the radial distribution of xylem sap flow velocity in trunks of pear trees were investigated by the heat pulse method.
采用热脉冲法对梨树树干液流速度径向变化规律进行了系统研究。
2.
The stem sap flow in different diameter classes of pear trees in a pear orchard in Yangling of Shaanxi Province was monitored by heat pulse method,and scaling-transformed into the sap flow in the orchard.
通过热脉冲法实时监测不同径级梨树树干液流速度,经尺度转换得到梨园液流量,与CIRAS-1红外气体分析仪测定叶片不同时期蒸腾速率经叶面积转换得到梨园蒸腾量进行对比,结果表明:基于叶片、单株计算的梨园耗水量分别为523。
5) pulse calorimetry
脉冲量热法
1.
With pulse calorimetry,the transient thermal power,transient temperature and steady state heat consumption are measured,and with these data,heat capacity of the calorimeter and sample films can be calculated.
采用脉冲量热法,通过测量量热计的热功耗、瞬态温度以及稳态热功耗,可计算量热计和样品薄膜的热容。
补充资料：点对点法
分子式：
CAS号：
性质：发射光谱分析中，将金属试样制成两个锥体状电极，分别作为光源的上下电极，彼此相对以电弧或火花法进行激发摄谱。该法因无辅助电极，所摄光谱中可无其伴存谱线。
CAS号：
性质：发射光谱分析中，将金属试样制成两个锥体状电极，分别作为光源的上下电极，彼此相对以电弧或火花法进行激发摄谱。该法因无辅助电极，所摄光谱中可无其伴存谱线。
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