By aggregating partitions and whole disks into a virtual disk, LVM can sum small storage Spaces into a bigger, consolidated one.

Research situation and direction of quick frozen vegetables are sum m arized in this paper from character ofm ate-rial pre-treatment methods of quick freezing and condition of chilling storage.

Also sum up the manufacturing methods of magnesium based hydrogen storage materials, containing melting method, diffusing method, mechanical alloy method, composing by hydrogen burning metho...