1.   US scientists have identified a microbe which feeds on radioactive metals and may be encouraged to find an appetite for nuclear waste.

2.   It is possible that other radioactive metals such as plutonium could be similarly dealt with.

3.   Curl said Rice professor Ron Wilson is trying to develop buckyballs into a carrier of radioactive metals for the treatment of cancer.

4.   Depleted uranium is a radioactive metal that is nearly twice as dense as lead.

5.   Energy department officials admit that they do not fully understand the effects of long-term storage of the radioactive metal.

6.   Radioactive seed implants, tiny pellets of radioactive metal inserted into the prostate gland, have become an increasingly popular alternative to surgery.

7.   The yet-unnamed drug will encapsulate a short-lived radioactive metal inside a Buckyball.

8.   They work enriching uranium oxide shipped from special mills, concentrating one of the isotopes in the radioactive metal.

9.   Authorities said the victims were exposed over a period of weeks to a sliver of radioactive metal, possibly cesium, found in the kitchen of a family home.

10.   Authorities said the victims were exposed over a period of weeks to the radioactive metal, possibly cesium.

a. + metal >>共 386
twisted 11.49%
toxic 3.63%
primary 3.21%
non-ferrous 3.04%
molten 2.79%
nonferrous 1.77%
corrugated 1.69%
the 1.35%
ferrous 1.35%
light 1.27%
radioactive 1.10%
radioactive + n. >>共 250
material 23.41%
waste 17.38%
substance 4.40%
isotope 2.97%
leak 2.97%
iodine 2.58%
element 2.35%
contamination 2.25%
dust 1.82%
fallout 1.77%
metal 0.62%
每页显示:    共 13