用metallic element造句子，“metallic element”造句
It is a metallic element that is found in the crust of Earth.
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys.
A soft silvery metallic element of the alkali metal group burns in air and reacts violently in water occurs in carnallite and lepidolite and pollucite.
These fragments were then analysed to test for particular isotopes, or forms, of the metallic element strontium, which can reveal the geological region where individuals were raised.
There are about seventy metallic elements.
Most metallic and some nonmetallic elements will emit characteristic radiations.
Arsenic and lead are also naturally occurring metallic elements that have varieties of USES in industry from insecticides to electronics.
A nonmetallic element, such as arsenic, that has some of the chemical properties of a metal.
Niobium is the metallic element with the highest transition temperature.
a bivalent and trivalent metallic element of the rare earth group.
a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals.
a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar.
Radium, uranium, and thorium are radioactive metallic elements.
The technogenic sedimentation refers to the precipitation of gypsum, calcite, fluorite, as well as hydroxides, oxides and salts of some heavy metallic elements from polluted groundwater.
A hard brittle blue white multivalent metallic element and tarnishing.
a hard brittle blue-white multivalent metallic element; resistant to corrosion and tarnishing.
a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange process.
Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.
Nickel is a metallic element.
a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium.
systematic inorganic chemistry of metallic elements
a trivalent metallic element of the rare earth group; occurs with yttrium.
"It is the most abundant metallic element in Earth's crust, chiefly in bauxite (its principal ore), feldspars, micas, clay minerals, and laterite. It also occurs in gemstones, such as topaz, garnet, and chrysoberyl; emery, corundum, ruby, and sapphire are crystalline aluminum oxide."
an intensely radioactive metallic element that occurs in minute amounts in uranium ores.
Curved metallic elements make up the structure of the tent and support a fabric shell that protects visitors from inclement weather.
a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores.
We shall find it more convenient to consider first the metallic elements themselves.
