dungs

英

美

网络  上粪

双语例句

• Sedimentation and centrifugalization methods would be effective in solid-liquid separation of pig and chicken dungs because the specific gravity of the two kinds of dungs are all>1 and residues are precipitated by gravity.
  经研究，猪鸡粪的比重＞1，其沼渣在水中发生沉淀，采取沉降分离、离心分离有效；
• The spectrophotometric application to study the conditions of determination and separation of chlorophyll from silkworm dungs
  应用光度法研究从蚕粪中提取和测定叶绿素的条件