由于受海塘土层结构的影响，药物灌浆孔附近土壤中氰戊菊酯的含量随取样部位不同而有差异。
The content of fenvalerate in soil near to the grout hole varied with the difference of sampling location affected by seawall soil structure.
介绍了影响聚合釜封头试样拉伸性能的因素：取样部位、取样方向和取样数量及试样的横截面形状。
Factors influencing the tensile strength of polymerizer head sample were introduced, which included the sampling position, sampling direction, sampling quantity and the cross section shape of sample.
对湖北恩施地区不同树龄、不同取样部位以及厚朴原生植株与再生植株的酚性成分HPLC指纹图谱进行了研究。
HPLC fingerprints of phenolic constituents of CMO of different ages, sampling parts, original and regenerate plants in Enshi Hubei were studied as well.
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