In the west, more actively than elsewhere, the "alternative processes" movement that began in the 1960s has recovered many of the early, obsolete technologies of photography and reintroduced them into the toolkit of current practitioners.
基于1个网页-相关网页
TheBook of Alternative Photographic Processes 可替代摄影工艺手册
alternative wind and water processes 水力风力交替作用
The requirements for selecting qualified alternative processes were presented.
提出了选择合适镀硬铬替代工艺的要求。
Therefore, alternative processes for the production of natural vanillin should be studied.
这促使研究人员寻找生产天然香草醛的替代方法。
Relevant alternative processes were discussed on the basis of atom utilization, Efactor and environmental coefficient.
全面分析了原子利用率、E -因子和环境系数，并利用它们作为化工过程新的评价指标。
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