The five types of white cells and the approximate percentage they make up in the blood are: 1  Neutrophils (55% to 70%) 2  Band neutrophils (0% to 3%) 3  Lymphocytes (20% to 40%) 4  Monocytes (2% to 8%) 5  Eosinophils (1% to 4%) 6  Basophils (0.5% to 1%)
A sound level meter is an instrument that can measure sound level, commonly used in noise pollution studies for the quantification of different kinds of noise, especially for industrial, environmental and aircraft noise. common variant of the sound level meter is a noise dosemeter (dosimeter in American English). However, this is now formally known as a personal sound exposure meter (PSEM) and has its own International standard IEC 61252:1993.
1. Definition of a smart meter. Smart meters are digital devices that record the amount of energy you use in your home and send this information to the utility company. Smart meters are the digital replacements of their predecessors, the old electro-mechanical analog meter.he new electric meters provide two-way communication between your home and the utility. These new meters use secure wireless network technology or powerline technology to communicate your usage data to the local utility.