w/w- an abbreviation for by weight, used in chemistry and pharmacology to describe the concentration of a substance in a mixture or solution. Properly speaking, 2% w/w means that the mass of the substance is 2% of the total mass of the solution or mixture. The metric symbol g/g has the same meaning as w/w.
Midlothian's old motto. Midlothian is a city in northwest Ellis County, Texas, United States. The city is 5 miles (8.0 km) southwest of Dallas. It is the hub for the cement industry in North Texas as it is the home to three separate cement production facilities, as well as a steel mill.
Homefacts City Report. Harlingen is located in Cameron County, TX. The population is 65,688, making Harlingen the 2nd largest city in Cameron County. There are 34 public schools in Harlingen with an average Homefacts rating of C+. The total crime rate for Harlingen is moderate, and there are 190 registered sex offenders residing in the city.