1)  cycloaddition
环加成<作用>
2)  cycloaddition
环加成作用
3)  cyclic load
循环加载
1.
In order to investigate and compare the ultimate load-carrying capacity,hysteretic behavior and dynamic characteristics of welded and bolted steel frames;6 single-span two-story steel frames were tested under cyclic loading.
为了探讨、比较焊接和螺栓连接钢框架的极限承载能力、滞回性能及动力特性,本文进行了6榀1∶2比例的单跨双层钢框架循环加载试验和动力特性测试,其中焊接、端板螺栓连接、角钢螺栓连接钢框架各两榀。
4)  cyclic heating process
循环加热
1.
The cyclic heat treatment process was studied and structure evolution of semi-solid LC9 aluminum alloy was observed,the effect of technological parameter of cyclic heating process on the microstructure of LC9 aluminum alloy was investigated.
采用全新的循环加热方法制备了半固态LC9铝合金坯料,并对其工艺过程及组织演变进行了研究,讨论了循环等温处理工艺参数对LC9合金组织的影响。
5)  cycloaddition
环加成
1.
Theoretical Study on the Mechanism of Cycloaddition of Ketenimine with Imine;
乙烯亚胺与亚胺[2+2]环加成反应的理论研究
2.
Compared theoretical studies on the 4+2 and 2+2 cycloaddition reactions between formylthioketene and methylenimine;
甲酰基硫代双烯酮与甲亚胺4+2及2+2环加成反应的比较理论研究
3.
Phase-transfer catalyzed cycloaddition to prepare laryl-sulfonyl-2-aroylcyclopropanes Ⅰ;
相转移催化环加成反应合成1-芳磺酰基-2-苯甲酰基环丙烷系列化合物(Ⅰ)
6)  cyclic loading
循环加载
1.
Research on shear behavior of reinforced concrete beams under cyclic loading;
循环加载对钢筋混凝土梁抗剪性能影响研究
2.
3-D constitutive relation for rock joints during cyclic loading;
岩体结构面三维循环加载本构关系
3.
Constitutive model for soils under the condition of cyclic loading;
循环加载条件下土的应力路径本构模型
参考词条
补充资料:成环加成聚合
分子式:
CAS号:

性质:又称环化聚合。多官能团单体在聚合过程中生成主链含有环状结构的聚合称为成环聚合。成环聚合又可分为缩聚成环和加聚成环两类。当分子内存在两个以上非共轭双键的烯类单体(如二甲基二烯丙基溴化铵)时,其链增长反应是发生在分子内的双键之间的加成反应,生成具有环状结构的聚合物,这种聚合就是成环加成聚合。

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