..............page:187-190
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Current Development of 1,3-Propanediol Production Technology
huang zhi-hua1; du chen-yu1; zhang yan-ping1; cao zhu-an 1(1.department of chemistry and biology engineering; sanming university; sanming 365004; china; 2.institute of biochemical engineering of department of chemical engineering; tsinghua university; beijing 100084; china.)
..............page:177-181
..............page:225-228
..............page:237-240
..............page:194-197
..............page:160-161
..............page:214-216
The Skill of The Numerical Control Line Cuts
xue cheng-zhong1; ke hong2; lin qin-ping2(1.department of physics and electromechanical engineering; sanming university; sanming 365004; china; 2.centre of electromechanical practice; fuzhou university; fuzhou 350002; china)
..............page:162-164
..............page:148-152
..............page:153-156
..............page:209-213
..............page:121-123
..............page:137-140
One Direction S-Rough Fuzzy Sets
qiu jin-ming; yu weng-qiong; liu mo-de(department of mathematics and computer science; sanming university; sanming 365004; china)
..............page:124-128
..............page:132-136
..............page:232-236
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