In io tests can lead to an anaphylactic reaction, and therefore should be only administered by a trained allergist in the presence of resuscitation equipment.
Results showed that internal electrolysis pre-treatment of yeast-producing wastewater were effective on the removal of COD and colority.What is more important is that the biod...
Results showed that the oil removal effect of lipophilic filler is better than lipophobic filler, and the treatment processes can obtain satisfactory treatment effect without using any chemicals.
Therefore we point out a new method of testing fragile material's strength of extension.That is to say we can measure the disk's strength of extension by pressing in its diametric.