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- 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. 摘要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。
- The test method for determining residual vinyl chloride monomer content in parts per billion level in PVC resin by capillary column gas chromatography headspace technique is suggested. 提出用大口径毛细管顶空进样气相色谱法对聚氯乙烯树脂中十亿分之一级残留氯乙烯含量的测量方法。
- The headspace constituents of fresh Gardenia flower were investigated by GC/MS.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。
- The analytical method of dynamic headspace (DHS) was used to analyaze the volatile flavor components of Yueshengzhai Beef (Beef cooked in soy sauce)-a traditional meat product of Beijing. 用动态顶空进样法分析了北京传统肉食品“月盛斋酱牛肉”的风味成分。
- Several sample preparation techniques in analysis of aroma compounds were reviewed, including solvent extraction, headspace technique, solid phase microextraction and direct thermal desorption. 摘要综述了几种样品制备技术,包括溶剂萃取、溶剂辅助蒸馏、同时蒸馏萃取、顶空技术和直接热解吸。
- Hydrophobic adsorption enrichment was used as the main pretreatment procedure for non-volatile or semi-volatile compounds, while headspace techniques were introduced for volatiles. 把顶端空间-气相色谱作为易挥发物的主要测试手段,把疏水富集-选择性分离-气相色谱(或液相色谱)作为难挥发有机物的检测途径。
- Separation and Concentration of Flammable or Combustible Liquid Residues from Fire Debris Samples by Dynamic Headspace Concentration 用净空动态浓缩法分离和浓缩火灾残渣样品中易燃和可燃液体残留物
- We are looking for dynamic persons to be salesmen. 我们正在寻找充满活力的销售人员。
- dynamic headspace 动态顶空
- dynamic headspace balance 动态顶空平衡法
- dynamic headspace collection 动态顶空套袋-吸附采集法
- circular dynamic headspace 动态顶空
- Every dynamic system needs continuous readjustment. 每一动态系统都需要不断地再调整。
- Headspace techniques are simple, quick and solventless techniques, and require small amounts of sample without artifacts; 顶空技术快速简单,不需要有机溶剂,需要的样品量少,分离过程中无杂质生成;
- Test Method for Dynamic Surface Tension by the Fast Bubble Technique (15. 用快速发泡技术测定动态表面张力的试验方法(15。
- The conflict process is a dynamic phenomenon. 冲突过程是一种动态现象。
- This is the first main crux of dynamic theory. 这是动态学说第一个主要的难题。
- Dynamic RAM's need to be refreshed periodically. 动态RAM则需要周期性地刷新数据。
- In the dynamic case motion is often harmonic. 在动态情况下,运动通常为谐运动。
- The results are dynamic paintings. 其结果是画有力度。