sodium sulfur

• 硫化钠

sodium sulfur的用法和样例：

例句

1. These effects are antagonizeed by sodium sulfide.
   这些效果被硫化钠中和了。
2. Residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods.
   用化学和波谱分析研究了硫化钠预处理硫酸盐制浆中残余木质素的化学结构特性。