在对照、污染2种环境中，可溶性糖和叶绿素含量均呈显著的正相关，污染区中树木叶绿素同化效率显著高于对照。
The carbon assimilation efficiency of chlorophyll of trees leaves in SO 2 pollution is remarkablely higher than the control.
叶柄、茎均具同化功能，但机械组织不发达。
The petiole and the stem all posses assimilation, but con-tain very littls mechanical tissue.
结果表明所研究的不同化学形态的重金属对白脊藤壶幼体均具较高的毒性，其毒性随重金属浓度及作用时间的增大而呈逐渐上升的趋势。
Results showed that these 5 heavy metals all exhibited high toxicity to B. albicostatus nauplii and the toxicity increased with the concentration and exposure time.
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