The decomposition of symplectic transformation about symplectic transvection over local rings by theory of defective number and residue number is discussed.
Chinese medicine residue contained less water than peat, and subirrigation could promote the growth and quality of poinsettia grown in medicine residue-substrate.
A method for the simultaneous determination of captan and folpet pesticide residues in apples was developed by solid-phase extraction and high performance liquid chromatography.
A better method was presented by adopting an external standard method of high performance liquid chromatography for the determination of Anilazine pesticides residue in foods.