{"Dojo":{"knowledgePointLabels":{"kikenbutsu_otsu4":{"hazmat":{"chemistry":{"reaction_stoichiometry":"燃烧与中和的化学计量","redox_and_oxidation_numbers":"氧化还原反应与氧化数"},"class4_legal_classification":"第四类危险物的法定品名与闪点分类","class4_volatility_flash_points_and_water_solubility":"第四类危险物的挥发性、闪点与水溶性","extinguishing_principles_and_methods":"灭火原理与方法","fire_law":{"designated_quantities":"指定数量与倍数计算","facility_classification":"危险物设施分类","facility_standards_and_inspections":"设施安全距离、标识、设备与定期检查","incident_response_and_orders":"事故初动、应急措施与行政命令","licenses_supervision_and_training":"资格类别、监督者与保安讲习","permits_changes_and_succession":"许可、变更、验收与承继手续","storage_and_handling_rules":"法定储存与操作规则"},"ignition_combustion_and_explosion_ranges":"引火、燃烧与爆炸范围","leak_ventilation_and_compatibility":"泄漏处置、通风与混存禁忌","oil_fire_agents_and_water_application":"油类火灾药剂与注水方法","physics":{"density_heat_and_concentration":"密度、热量与浓度计算","gas_laws_vapor_pressure_and_heat_transfer":"气体定律、蒸气压、沸腾与传热"},"spontaneous_combustion_and_peroxides":"氧化发热、自然发火与过氧化物","static_electricity_grounding_and_flow_control":"静电、接地与流速控制","storage_transport_and_empty_containers":"储存、运输与空容器","substance_specific_properties":"汽油、醇类、芳香族与油类的性质"}}}}}