A solution of known molarity is called a standard solution. Its concentration is determined by a process known as standardization. solution of known molarity is called a standard solution. Its concentration is determined by a process known as standardization.
1. Gypsum False Ceiling: Gypsum false ceiling is a hydrated sulfate of calcium. This type of false ceiling are lightweight, sound insulated, fire resistance, soft and thermally insulated. Gypsum false ceiling comes in the shape of square boards that are hung with the help of iron framework.
Ciliated versus Non-ciliated. There are actually two forms of pseudostratified columnar epithelium: ciliated and non-ciliated. Ciliated cells have 200-300 small hair-like protrusions, or cilia, on the luminal surface, while non-ciliated have a smooth apical side.