1) 4-addition
4-加成
2) 4-addition reaction
4一加成反应
3) imperial gallon
英国加仑(合成4。546升)
4) four-hole processing
4孔加工
1.
Introduced the structure characteristics and technological requirements of bend sidebar of chain,and through analyzing new&old technology,to use a new technology of automatically continuous punching&extruding of continuous feed,wedged structure,punching-hole and extruding-hole,reaching the requirements of dimensional accuracy and finish of the four-hole processing of bend sidebar.
介绍链条弯链板产品的结构特点及工艺要求,通过新旧工艺分析,决定采用连续送料、斜(滑)楔结构、冲孔+挤孔的自动连续冲挤新工艺,以达到弯链板4孔加工的尺寸精度及粗糙度值的要求。
5) the achievement of CET-4
CET-4成绩
1.
And also, there are some correlations between the achievement of CET-4 and English Scores of Enrollment into College(ESEC)、Present Major Scores(PMS) and Sex.
本文以某高校2001级本科生为调查对象,运用多种统计方法分析影响CET-4成绩的一些客观因素。
6) addition
[英][ə'dɪʃn] [美][ə'dɪʃən]
加成
1.
Enantioselective addition of diethylzinc to benzaldehyde with new chiral sulfonamide alcohols as ligands;
新手性磺酰胺醇催化二乙基锌对苯甲醛的不对称加成反应
2.
Enantioselective addition of diethylzinc to aromatic aldehydes with novel chiral hydroxysulfonamide as ligands;
新型手性羟基磺酰胺催化二乙基锌对芳香醛的不对称加成反应
3.
Enantioselective addition of diethylzinc to aromatic aldehydes with new chiral amino alcohols as ligands;
新手性氨基醇催化二乙基锌对芳香醛的不对称加成反应
补充资料：无加
1.没有增添。 2.犹不施。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条