There are standard-shaped bulbs, flame-shaped bulbs, colored globe-shaped bulbs, and more.
有标准形状的灯泡、火焰形状的灯泡、彩色球形灯泡等等。
2
Using microwave-heated ceramic chips instead of standard gas flame or electric coil, the system heats pans with near-perfect balance and lets you control the heat level with incredible precision.
Methods: the sample, after the nitric acid and the perchloric acid digestion was induced in the flame atom absorption spectrophotometer with standard series comparison quota.