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nitrogen seal
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nitrogen seal
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nitrogen seal
氮封
利用氮气将物料与空气隔离开,以防止物料与空气中某些组分接触后性状发生改变的方法。
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Journal of Dalian Ocean University
Journal of Design
Journal of Design History
Journal of Dialectics of Nature
Journal of Documentation
Journal of Domestic Animal Ecology
Journal of Ecology and Rural Environment
Journal of Economical Animal
Journal of Economics of Water Resources
Journal of Electrochemistry
Journal of Engineered Fibers and Fabrics
Journal of engineering geology
Journal of Engineering Thermophysics
Journal of Family History
Journal of Fiber Science and Technology
Journal of Fisheries of China
Journal of Fishery Sciences of China
Journal of Food Science and Biotechnology
Journal of Forestry Engineering
Journal of Fuel Chemistry and Technology
Journal of Genetics and Genomics
Journal of Geodynamics
Journal of Geophysical Research
Journal of Geophysical Research, A: Space Physics
Journal of Geophysical Research: Solid Earth
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