在反应产物中还可观察到甲醛和乙烯，通过改变反应条件可以控制它们的相对浓度。
Formaldehyde and ethylene were also observed in the products, and their relative concentrations were partially controlled by reaction conditions.
文章在吸收借鉴最新隔震理论成果的基础上，针对常用的软垫式隔震系统推出了水平地震作用下的隔震结构相对位移控制条件。
On the basis of researching result of predecessor, this paper has deduced relative displacement controlling condition of isolating-quake structure for cushion isolating-quake system.
结晶动力学是结晶过程控制的核心，因研究体系的不同及结晶条件的各异而相对复杂。
Crystallization dynamics is the key process in a crystallization control process, it is relatively complex because of different research systems and crystallization condition varies.
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