A combustion-based system and related method includes a combustor for burning a combustible material, wherein an exhaust gas stream output by the combustor includes NO2 and at least one metal including mercury. When the starch is transformed into dextrin by means of the above-described method, whole soy milk which is as smooth as bovine milk can be manufactured, said whole soy milk being easier to digest and having an excellent taste and flavor due to the removal of the inherent fishy taste and grassy flavor or \u201cstink\u2019 of the beans. The method includes separating patient’s medical file into a demographics layer and a data layer, separately encrypting the demographic layer and data layer using different encryption keys, and providing servers in a communication and processing system with a decryption key for the layer processed by such server. The frame member suppresses heat radiated from the side surface of the substrate. And the x, a, y, and z may satisfy: 0\u2266x\u22663, 0\u2266a\u226610, 0\u2266y\u226620 and 2\u2266z\u226625. In the oxidation reaction process, a supply rate of the oxygen-containing gas is reduced in a period in which the conversion is greater than or equal to 50% and less than 70%.