这些化学试剂给人员合工作环境提供的安全性是比较理想的。
The safety these chemicals offer the personnel and the work environment are desirable qualities.
现用于共振光散射法测定核酸的试剂主要有卟啉类化合物、金属螯合物和有机小分子染料三类。
Three kinds of agents are employed in resonance light scattering technique: porphyrin combinations, metal complexes and organic small molecular dyes.
以聚丙烯腈纤维为原料，加入羟胺试剂，将腈基转变为偕胺肟基团，使聚丙烯腈纤维改性成含有偕胺肟基团的螫合纤维。
Polyacrylonitrile fiber was modified into a chelating fiber containing amidoxime group by adding hydroxylamine, resulting from that nitrile group was transformed into amidoxime group.
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