Comparison of the Volatile Sulfur Compounds Levels in Sulcular of Different Periodontal State.
不同牙周状态下牙周袋内挥发性硫化物水平的比较。
In the paper, emission of volatile sulfur gases from paddy soil was discussed in a growth period of paddy rice by constructing a field sampling system.
通过建立野外采样系统，对一个生长周期内水稻土释放的挥发性含硫气体进行了检测。
With the increase of dose, volatile carbonyl com-pounds, amines and sulfur compounds increased significantly.
辐射味与羰基化合物、挥发性含硫化合物及胺等有关，其含量随剂量的加大而增加。
Both them has lower ash and sulfur content, higher volatile matter and calorific value, lower ignition temperature and higher reactivity.
这两种煤具有低灰、低硫、高挥发分、高发热量、燃点低、反应性好的特点。
The relationship between volatile matter and total sulfur in gas phase of coal pyrolysis process was related to the rule of form sulfur transformation.
煤热解过程中挥发分和气相逸出总硫之间的关系与形态硫的转化和迁移规律有关。
According to the results, the contents of sulfur is high in the lignin sulfonate, and the volatile matter is effected by the temperature.
实验结果表明：木质素磺酸盐含硫量高，而且挥发物质随温度变化大。
According to the results, the contents of sulfur is high in the lignin sulfonate, and the volatile matter is effected by the temperature.
实验结果表明：木质素磺酸盐含硫量高，而且挥发物质随温度变化大。
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