“chromium”造句，怎麼用chromium造句

It has oil, gold, chromium, iron ore and a host of other minerals.

These contaminants can pollute air, water, and soil. They include lead, mercury, silver, zinc, iron, copper, nickel, chromium and cadmium.

California's proposed health goal is designed to limit possible cancer risk to just one in a million for those exposed to hexavalent chromium.

Adding Onions and garlic to your meals can boost calcium intake, and provide chromium, a trace mineral important in maintaining blood sugar levels.

Article 31 It is forbidden to discharge or dump into any water body or directly bury deadly toxic soluble slag, tailings, etc. containing such substances as mercury, cadmium, arsenic, chromium, lead, cyanide and yellow phosphorus.

Management tactics range from using bone charcoal to soak up the carcinogen and then dispose of it as toxic waste to chemically transforming hexavalent chromium to a more benign form.

Breathing chromium-6 has long been linked with lung cancer.

CARCINOGENIC chromium: Turning hides into leather in much of the world requires chromium, which in its hexavalent chemical form is a potent carcinogen.

Common materials for the MTJ include chromium dioxide and iron-cobalt alloys.

The plant was found this week to have dumped more than 5,000 tonnes of waste chromium - a known carcinogen - in the nearby hills and the Nanpan river.

He found that the concentration of chromium found in whales was several times higher than the level required to kill healthy cells in a Petri dish, Mr Payne said.

"The biggest surprise was chromium," Mr Payne said.

The center said a sewage sample contained more than 20 times the amount of chromium-6 allowed by national standards.

But that ranges from nearly 24 years lost because of lead in industrial wastewater to just under three years lost from hexavalent chromium, the carcinogenic form of the element, from tanneries.

It normally only absorbs about 7% of the energy from sunlight, but when doped with chromium this figure increases to more than 67%.

Mr Wise applied chromium to healthy whale cells in the laboratory to study the effect.