水玻璃类浆液作为化学灌浆材料，其粘度在随时间变化，因此浆液在砂土中的渗流过程较复杂。
When water glass seriflux as chemistry injection material, its kinetic viscosity is varying with time, so the process of seriflux permeating in the sand is complicated.
作为非接触测温的红外测温技术，能够真实地反映出焊件在焊接工艺中的温度随时间变化的热循环过程。
The infrared measuring temperature technique as non-contact measuring temperature method can reflect the heat cycle process of the temperature change along with time of the weldment.
结果表明，对恒壁温情况必须考虑垢层表面温度随时间的变化，这一变化是导致结垢过程渐近特性的重要原因之一；
The results show that the variation of the scaling layer surface temperature is one of the major factors that cause the asymptotic tendency of scaling process.
应用推荐