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Dry distillation, despite its name, is not truly distillation, but rather a chemical reaction known as pyrolysis in which solid substances are heated in a strongly reducing atmosphere and any volatile fractions are collected.

干馏，尽管名称如此，但实际上不是蒸馏，而是一种广为人知的热分解反应，反应中，固体物质在强烈的减压状态下受热，任何挥发性组分都被收集下来。

Total concentrations,chemical fractions and release potential of heavy metals in topsoil samples collected at 82 locations in Hangzhou City were measured to: i assess their distribution in urban environments;ii understand their differentiation as related to land use;and iii assess their environmental risk.

结果表明，该市城市土壤中重金属均有不同程度的积累，重金属含量一般以商业区和工业区最高，农业区较低；居民区土壤重金属的积累随居民区建成时间的增加而增加。

If there was adhesion, then another 5-mm trocar was placed in the right lower quadrant and the dissector was placed into the abdominal cavity through this port. With the help of a forceps, the peritoneal catheter. was inserted into the Douglas pouch.

如患者有脏器粘连等情况，则在右侧腹直肌旁、脐下2cm处插入另一5mm Trocar为辅助操作孔，用以插入切割器，分离粘连组织，使用无损伤抓钳在屏幕直视下置入腹膜透析管。

In the Options dialog box, click the File Locations tab.

在对话方块中，按一下标签。