怎样揭开又硬又脆的“档案砖”──谈生物酶素在修复历史档案文献中的应用北京联合大学文法学院程建芳生物工程的应用，实际上就是如何巧妙地利用微生物的理论和技术造福于人类，由于它具有不需要大型设备、场地，也不用巨额投资，因而在现代科学技术日新月异变化的今天，... How to uncover the hard and brittle “archives bricks” ─ ─ talk about the application of biological enzyme in the restoration of historical archival documents Cheng Lianfang, Beijing Union University, the grammar of bio-engineering applications, in fact, is how to cleverly use the theory and technology of micro-organisms to benefit For mankind, because it does not require large-scale equipment, venues, and without huge investment, so in the ever-changing modern science and technology today, ...