1. Traditionally, the rare earths have been used as catalysts in the chemical industry and in flints for cigarette lighters.

2. Nu : tiepeng production, sale, rare earth products sales.

3. Corrosion protection mechanism of rare earth passivation was stated.

4. A rare earth chrome plating additive was studied.

5. The distribution patterns of rare earth elements of pitchblende and surrounding rocks in three types of uranium deposits have been studied.

6. Cerium :Chemical element, a rare earth metal of the lanthanide series (hence having many properties of the transition elements), chemical symbol Ce, atomic number 58.

7. The contents of 8 rare earth elements(REEs)in chloroplasts of Brassia napus were determined by instrumental neutron activation analysis.

8. Different dopants including rare earth metals, alkali earth metals, transition metals and other elements are introduced, and the trend of the mixed oxides in exhaust purification is prospected.

9. Eleven solid quaternary complexes of rare earth perchlorate with diphenyl sulfoxide (L) and benzoic acid (L') have been synthesized and characterized.

10. Experimental result indicated that rare earth element may promote growth of hypha and increase weight of dry matter, and also improve quality and nutrient value of edible fungi.

11. A trivalent metallic element of the rare earth group, it could occurs with yttrium.

12. The catalytic activity of the rare earth metal complexes synthesized with the PSM similar to above-named structure was not good.

13. Prices of some rare earth metals have doubled in just three weeks amid heavy stockpiling in China that has raised fears over global supplies.

14. Applied properties of rare earth stablizers and their mechanism of thermostable action are described.

15. Leaves of Dicranopteris dichotoma collected from a rare earth ore area and two control areas were separated into ether fractions, water fractions, base fractions and residues.

16. China produces 97 percent of the world's rare earth metals, which are also used in the production of other high-tech and defense products.

17. The experimental results indicate that rare earth ions are tend to produce periodic precipitation and the precipitation of the pattern was just the corresponding rare earth cholate complexes.

18. Moreover,(sentencedict.com) it gives the outlook of rare earth phosphor used for lamp.

19. High strength rare earth foam aluminium alloy is prepared in our laboratory by smelting bubble system.

20. The strengthening mechanism of rare earth element in sintered copper molybdenum steel has been studied.

21. The phosphate glasses doped with rare earth ions have been widely used in laser mediums and optical filter materials for their outstanding optical and spectrum characteristics.

22. This paper introduces a dual-winding switched-type control system of rare earth permanent magnetic (REPM) brushless DC motor (BLDCM) used in automatic washer.

23. Too high residual magnesium content, and especially too high residual rare earth content is the main reason causing reverse chill defect. So them...

24. The preparation method of tributyl citrate and acetyl tributyl citrate by solid super acid, rare earth solid acid, heteropoly acid et al. were reviewed.

25. In this paper, the effect of different laser cladding parameters and different rare earth contents on cracking susceptibility of aviation blade with casting defect cladded by laser was studied.

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26. He added: "It looks like we could reduce cost, weight and mass and avoid the geopolitical issues with the rare earth metals."

27. The phenomena of periodic precipitation occurred in gel medium were observed in rare earth cholate systems. The complexes of the pattern are characterized by FTIR and EXAFS spectroscopy methods.

28. The world is now scrambling to find other sources of supply; the development of rare earth mines in the U.S., Australia, Russia, and other countries may eventually cut into the smugglers' business.

29. An account of main development and main advances of rare earth hydrogen storage cell is given in this paper.

30. In light of those problems it is strongly recommended that special tundish covering flux and mold flux be researched and developed for continuously casting rare earth...