化合物庚烷的主要用途是作为双基推进剂的增塑剂.The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.正庚烷异构化的难点在于高选择性地生成多侧链异庚烷和抑制异庚烷的裂化反应.However, it is difficult to produce multi branched i heptane and re...
The Companies Act lays down a set of minimum requirements.《公司法》规定了一系列最低标准。The new code of conduct lays down the ground rules for management-union relations.新的行为规范确定了资方与工会关系的基本原则。The report lays bare the shocking housing ...