Environment

pH values of acids like sulfuric, acetic and more..

Thermal properties of air, including density, viscosity, thermal conductivity, specific heat and more at different temperatures and pressures. Comprehensive reference with formulas, tables, and charts to support engineering calculations.

pH values for bases like sodium hydroxide, ammonia and more.

The Beaufort description and observation scale for wind and wind speed.

Raw materials used for Ethanol Bio-fuel production.

Carbon - Nitrogen ratios for biogas produced from various raw materials.

Typical composition of biogas produced from household waste.

Potential biogas production from animal manure.

Convert between different biomass energy units.

Biomass fuels and their energy content.

Potential power and energy stored in capacitors.

Exposure to Carbon Monoxide - CO and health effects.

Environmental emission of carbon dioxide CO₂ when combustion fuels like coal, oil, natural gas, LPG and bio energy.

The atmospheric Carbon Dioxide concentration year 1959 - 2015.

Richter Magnitude, Moment Magnitude and Mercalli Intensity.

Effectiveness of biocides against bacteria, fungi and algae.

Energy balance and energy payback ratio.

pH in common food products - like apples, butter, wines and more.

Net (low) and gross (high) energy content in fossil and alternative fuels.

A tornado intensity rating scale.

Optical properties of commonly used glazing materials.

Global temperature trend year 1880 - 2015.

The Saffir-Simpson hurricane damage potential scale.

Power potential vs. head and flow rate.

Thermal and thermodynamic properties of ice like density, thermal conductivity and specific heat at temperatures from 0 to -100 ^oC.

Emission of Nitrogen Oxides - NOx - with combustion of fuels like oil, coal, propane and more.

Refrigerants - Ozone Depletion (ODP) and Global Warming Potential (GWP).

Salinity - salt content - of fresh, brackish and sea water.

Water or moisture content in soil.

Daily surface energy from solar radiation.

Heat from sun transmitted through windows.

Online solar chart creator.

Trees species and relative water demand.

Standard and industrial heating degree-days.

Height of trees commonly used in towns and urban areas.

Thermal properties of water, including density, specific heat capacity, thermal conductivity, and thermal expansion at different temperatures.

Effective Temperature of air in movement.

Available wind energy.

Power generation from wind.

Wind slowed down at surface by trees and obstructions.

Online wind turbine calculator.