The patient's temperature should be obtained by rectum.病人的体温自直肠测得.The accumulation and discarding of heterochromatin of chromosome IV in the rectum and Malpighian tubules.摇蚊马氏管、直肠第扒,染色体异染色质的积累并抛出染色休外面.Then the linin...
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...