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1. The mechanism of thermal decomposition for alkaline earth metal benzoates was studied by using TG, DTA, IR and gas chromatography_mass spectrometer.

2. A photoluminescent material comprising a composition of halogen-substituted alkaline earth metal aluminate doped with at least one rare-earth element activator.

3. Alkaline earth metal elements Ca, Mg appeared in the form of composite oxides, and the majority of composite precipitates were rich in manganese(Mn) and sulphur(S).

4. Alkaline earth metal ions were determined with tartaric acid ethylenediamine as mobile phase.

5. At present, the reaction between alkaline earth metal atoms and halide obtained comprehensive attention in the international area.

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6. Because of high alkaline earth metal content, the reduction swelling of Baotou pellet makes blast furnace operation very difficult.

7. By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.

8. The determination of alkali metal and alkaline earth metal ions by single-column cation chromatography was described.

9. Four types of the title compounds have been synthesized to serve as ionophores for alkaline earth metal, transition metal, and noble metal ions.

10. Orthophosphite ions produced by oxidation of hypophosphite in an electroless nickel plating bath can be removed by precipitation with an alkali metal or alkaline earth metal cation such as calcium.

11. The stabilising agent is a compound containing divalent metal ions, for example a basic salt of an alkaline earth metal.

12. An ion chromatographic method for the determination of alkaline and alkaline earth metal cations in high concentration organic wastewater is developed.

13. Three kinds of atoms are avaliable for C_(60) doping:alkali metal, alkaline earth metal and other elements.