The attrition resistance of sorbent compositions are enhanced by acid-treating the perlite component of the sorbent. The efficiency of making a promoter metal-containing sorbent composition is enhanced using a novel method for incorporating the promoter metal into the sorbent.

 
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< G proteins, polynucleotide encoding the same and utilization thereof

> 1,2,4-Thiadiazole compounds and pests controlling composition containing the same
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