常見例句Carbon Deoxidization: with purity greater than 99.9% of the nitrogen raw material. In the carbon and catalyst under. Removal of nitrogen in the oxygen, No need for hybrogen source. 采用高效吸附型催化劑，去除氮氣中的氧，氮氣純度和壓力不受氫氣源的影響。Keywords U series dating;Hybrogen isotope;Oxygen isotope;Paleotemperature determination; 鈾系年齡;氫同位素;氧同位素;古溫度測定; 返回 hybrogen