Sentences with phrase «low metal content»

The dwarf galaxies that usually host superluminous supernovas are known to have a low metal content, which was thought to be an essential ingredient for making these explosions.

Big stars with low metal content don't shed as much of their mass over time, so when one of them dies, almost all of its mass will wind up in the black hole.

Not exact matches

Historically, one popular method was to lower the precious metals content in minted coinage.

According to Adriana Gonzales of the Sierra Club, an uncovered five - story pile of coal ash situated next to a low - income and minority community in the town of Guayama threatens to toxify the entire area thanks to its content of heavy metals like arsenic, mercury, and chromium that will be released when the rain liquefies the ash.

Stars with a metal content as low as a quarter of the sun's can host planets between one and four times the size of Earth, the team found (Nature, DOI: 10.1038 / nature11121).

She suggests that a low - metal content makes planets grow more slowly, favouring small, rocky planets.

The danger of toxic metals in our environment is greatly aggravated due to low mineral content of our food supply, as well as the contamination of our food supply.

Therefore, colloids that are mostly ionic will have a low particle surface area since most of the metal content is in the form of metal ions not particles.

Heavy metal and lead content is non-existent or extremely low.

However, flaxseed oil has a far lower heavy metal content than flaxseed.

Governments, especially when in financial trouble, would recall their coinage, melt it down and reform the metal into more coins with a lower gold content.

This is the lowest gold content you can have for the metal to be considered «gold» in the U.S.

They reduce organic compounds, odors, phenols, toxins, medications, dissolved metals, phosphates and silicates, and their high - capacity pelletized activated carbon has a very low ash content and rinses clean quickly.

Key features include: - Optimized building envelope design provides rain screen, high R - value, and air sealing - High efficiency Daikin Altherma electric heat pump to provide 100 % of heating and cooling - ERV (Energy Recovery Ventilator) provides fresh air and exhausts interior stale air 24/7 - LED lights throughout the home - Energy Star rated appliances - American made high efficiency windows (U-value = 1.9)- Standing seam metal roof with high recycled content, durability, and longevity - Radiant concrete floor slab in basement - Dual flush toilets throughout - Cabinetry with no added urea formaldehyde and low VOC content - Countertops made from recycled Quartz and glass - Zero VOC paints used on all interior walls and ceilings - Zero VOC clear finish on wood floors - Marmoleum flooring (a linseed oil based product) in mud room and bathrooms

ENERGY EFFICIENCY FEATURES Super-insulated construction (R - 40 walls and R - 60 roof) Photovoltaic solar panels Solar hot water (evacuated panels) High - efficiency hydronic heating (Heat Pump) Energy - efficient triple glazed windows Airtight Construction WATER CONSERVATION FEATURES Low - flow showerheads and faucets Sustainably Produced and Durable Materials FSC certified wood products Recycled - content resilient flooring 50 - year siding 40 - year, recyclable metal roof Locally manufactured materials HEALTH INDOOR ENVIRONMENTAL FEATURES Low VOC paints, adhesives and sealants Nontoxic finishes on flooring and cabinetry Formaldehyde - free insulation Formaldehyde - free cabinets Efficient ventilation PASSIVE DESIGN ELEMENTS Overhanging eaves and awnings sized to reject high - angle summer sun and receive low - angle winter sLow - flow showerheads and faucets Sustainably Produced and Durable Materials FSC certified wood products Recycled - content resilient flooring 50 - year siding 40 - year, recyclable metal roof Locally manufactured materials HEALTH INDOOR ENVIRONMENTAL FEATURES Low VOC paints, adhesives and sealants Nontoxic finishes on flooring and cabinetry Formaldehyde - free insulation Formaldehyde - free cabinets Efficient ventilation PASSIVE DESIGN ELEMENTS Overhanging eaves and awnings sized to reject high - angle summer sun and receive low - angle winter sLow VOC paints, adhesives and sealants Nontoxic finishes on flooring and cabinetry Formaldehyde - free insulation Formaldehyde - free cabinets Efficient ventilation PASSIVE DESIGN ELEMENTS Overhanging eaves and awnings sized to reject high - angle summer sun and receive low - angle winter slow - angle winter sun.