The higher differential stress values are distributed in the large-medium scale Cu, Wo-Mo, Pb-Zn-Ag ore districts.
与大中型铜钨钼铅锌银矿相对应，出现差应力高值区。
Accumulation of Pb as well as growth physiological status in tomatoes grown in solution culture under stress of different Pb concentrations were investigated in the present study.
通过对溶液培养的番茄植株进行不同浓度的铅处理，研究铅在番茄中的积累及对其生长的影响。
Chapter two introduces the biochemical reaction mechanism of rice under Pb pollution stress, and the vegetation indexes which are used in this field. Then it points the disadvantages of these indexes.
第二章总结了水稻铅污染的生化响应及遥感信息机理，遥感植被指数及其在农作物污染胁迫中的遥感应用，并指出这些遥感植被指数的不足。
Pb and Cd stress reduced the number of rice tillers significantly, with the increasing of stress concentration, the decrease amplitude of the number of tillers was greater;
铅镉胁迫显著降低了水稻的分蘖数，随着胁迫浓度增加，分蘖数下降幅度增大；
Pb and Cd stress reduced the number of rice tillers significantly, with the increasing of stress concentration, the decrease amplitude of the number of tillers was greater;
铅镉胁迫显著降低了水稻的分蘖数，随着胁迫浓度增加，分蘖数下降幅度增大；
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