并重点讨论了五碳糖还原脱氧合成法的机理和改进的方法。
在此基础上，找出它们的优缺点，提出了锅炉给水除氧方法选用的建议性意见。
1·The preparation, characterization and activity evaluation of LS-971 deoxygenation protection catalyst for sulfur recovery were introduced.
总结了LS - 971脱氧保护型硫磺回收催化剂的制备、表征及活性评价情况。
2·Fermentation can take place without the presence of extracted nutritive liquor, but proceed vacuum deoxygenation and add carbon dioxide to saturation and packed into final product.
浸提得到的营养液也可不参与发酵，而进行真空脱氧，加纯净二氧化碳饱和处理，即可包装得到成品。