The stupa, an architectural structure usually housing the cremated remains or possessions of important saintly figures, is considered to be the structural... The stupa, an architectural structure usually housing the cremated remains or possessions of important saintly figures, is considered to be the structural emblem and the most important type of monument...
A graduated cylinder is often used to measure a liquidâs volumes, or the space it occupies. Liters and milliliters are typically used to indicate volume in the metric system. Graduated cylinders are calibrated in milliliters (mL). Water and many other fluids form a meniscus (curving surface) when placed in the narrow tube of a graduated cylinder.
There are large and small models of pH meters. Portable models are available to take out in the field and larger models, such as this one, are used in the lab. To use this pH meter, the water sample is placed in the cup and the glass probe at the end of the retractable arm is placed in the water. Inside the thin glass bulb at the end of the probe there are two electrodes that measure voltage. One electrode is contained in a liquid that has a fixed acidity, or pH.