1) Added loop
加环
2) 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。
3) addition-cyclization
加成环化
1.
2-Formyl-3-acetyl-4-methyl-5-carbobenzoxypyrrole(6) was synthesized via the selective oxidation of 2,4-dimethyl-3-acetyl-5-carbobenzoxypyrrole(5),which was produced from acetylacetic benzylester(1) via nitrosation,reduction and addition-cyclization with acetylacetone.
以乙酰乙酸苄酯(1)为原料,经过亚硝化、还原、与乙酰丙酮加成环化生成2,4-二甲基-3-乙酰基-5-苄氧羰基吡咯(5),通过选择性氧化反应制得目标化合物2-甲酰基-3-乙酰基-4-甲基-5-苄氧羰基吡咯(6),反应的总收率约为34%。
4) cycloaddition
[,saikləuə'diʃən]
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)
5) 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
6) circumferential stiffeners
环向加筋
1.
A simple and efficient semi-analytic method to solve the nonlinear dynamic response of composite cylindrical shells with circumferential stiffeners under axial impact load is presented.
采用半解析的方法,建立离散加筋圆柱壳模型,基于复合材料多层扁壳大挠度的剪切变形理论,利用Ham ilton原理导出环向加筋复合材料圆柱壳的非线性运动控制方程;用Galerk in方法对空间变量进行离散,将位移和载荷展开为双级数,得到有关时间的常微分方程组,最后采用R-Kutta方法数值求解。
补充资料：替加环素
分子式：C29H39N5O8
分子量：585.65
CAS号：220620-09-7
性质：
分子量：585.65
CAS号：220620-09-7
性质：
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