2) dynamic headspace
动态顶空
1.
The content of isovaleraldehyde, furfurall and benzaldehyde in eight kinds of Shaoxing yellow rice wine of different age was determined by GC/MC coupled with dynamic headspace sample injection.
建立了用动态顶空进样与气质联用法测定绍兴酒中异戊醛、糠醛、苯甲醛含量的方法,并对8种绍兴酒进行了检测。
2.
The headspace volatiles were sampled by solid phase microextraction (SPME) and dynamic headspace sampling (DHS).
分别用固相微萃取和动态顶空法分离栀子鲜花的头香成分 ,用GC/MS技术分析鉴定 ,并用GC/MS总离子流色谱峰的峰面积进行归一化定量。
3) dynamic driving in
动态顶进
1.
Some methods and measures are studied,such as the rational readjustment of all kinds of error,the surveying plan,the precise azimuth transfer of shaft,and the auto guiding system with traverse control improving the orientation precision of gyro theodolite,in order to take into consideration the feature of dynamic driving in of the underground pipe driving project.
所采取的各种误差合理分配、施测方案、竖井的精密方位传递、提高陀螺经纬仪的定向精度以及为满足顶管工程动态顶进特点而采用精密导线控制自动导向系统等一系列的方法和措施，确保了贯通的高精度，有效地解决了顶管中精密导向问题。
4) leader buds
顶芽动态
5) pneumatic push-eject
气动推顶
6) pneumatic finial
气动顶尖
1.
Through quantitative force analysis and calculation of tensile control structure,new constant tensile control structure and locking pneumatic finial of spool are designed.
通过对张力控制结构作定量的受力分析与计算,设计新型恒张力控制结构和工字轮锁紧气动顶尖。
补充资料：拔顶气
分子式：
分子量：
CAS号：
性质：又称拔头气。由炼油厂初馏塔顶分出的气体混合物。主要成分是丙烷和丁烷。可用作生产烯烃的裂解原料，也可压缩成压缩煤气作为燃料。
分子量：
CAS号：
性质：又称拔头气。由炼油厂初馏塔顶分出的气体混合物。主要成分是丙烷和丁烷。可用作生产烯烃的裂解原料，也可压缩成压缩煤气作为燃料。
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