Modification of cadmium (Cd) toxicity in ramie by exogenous spermine (Spm) with different concentrations and adding modes were researched under hydroponic conditions.
采用水培实验法，研究了不同浓度和不同施加方式下外源精胺对苎麻镉污染毒害的缓解效应。
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This paper discusses the main problems of Ni-Cd cell, such as leakage at ceramic-metal seal, factors effecting on the specific energy density, choice of separator and the cadmium electrode.
Chronic exposure to Cd mainly causes the renal proximal tubule damage, which represents that the excretion of proteinuria, glucosuria, aminoaciduria, enzymaticuria and urinary cadmium increase.