Sulphur ejected into the atmosphere spread around in subsequent months to create a layer believed to have had a temporary cooling effect as it blocked some of the sun's warmth.
喷到大气层中的硫磺在随后几个月内将会产生一层大气，据称可以遮挡太阳辐射而产生暂时的降温效果。
2
A method of polyamide thin layer chromatography applicable to the separation and identification of blocked nucleosides, nucleotides and oligonucleotides is herewith described.
本文介绍了用聚酰胺薄层层析的方法，分离和检定带保护基的核苷、核苷酸和低聚核苷酸。
3
The sand coming from the layer is blocked around the sand control pipe when the water injection well is closed, therefore the purpose of control sands can been attained;