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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. 摘要建立了用動態頂空進樣與氣質聯用法測定紹興酒中異戊醛、糠醛、苯甲醛含量的方法,並對8種紹興酒進行了檢測。
- 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. 提出用大口徑毛細管頂空進樣氣相色譜法對聚氯乙烯樹脂中十億分之一級殘留氯乙烯含量的測量方法。
- 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). 分別用固相微萃取和動態頂空法分離梔子鮮花的頭香成分,用GC/MS技術分析鑒定,並用GC/MS總離子流色譜峰的峰面積進行歸一化定量。
- 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. 用動態頂空進樣法分析了北京傳統肉食品「月盛齋醬牛肉」的風味成分。
- Several sample preparation techniques in analysis of aroma compounds were reviewed, including solvent extraction, headspace technique, solid phase microextraction and direct thermal desorption. 摘要綜述了幾種樣品製備技術,包括溶劑萃取、溶劑輔助蒸餾、同時蒸餾萃取、頂空技術和直接熱解吸。
- Hydrophobic adsorption enrichment was used as the main pretreatment procedure for non-volatile or semi-volatile compounds, while headspace techniques were introduced for volatiles. 把頂端空間-氣相色譜作為易揮發物的主要測試手段,把疏水富集-選擇性分離-氣相色譜(或液相色譜)作為難揮發有機物的檢測途徑。
- Separation and Concentration of Flammable or Combustible Liquid Residues from Fire Debris Samples by Dynamic Headspace Concentration 用凈空動態濃縮法分離和濃縮火災殘渣樣品中易燃和可燃液體殘留物
- We are looking for dynamic persons to be salesmen. 我們正在尋找充滿活力的銷售人員。
- dynamic headspace 動態頂空
- dynamic headspace balance 動態頂空平衡法
- dynamic headspace collection 動態頂空套袋-吸附採集法
- circular dynamic headspace 動態頂空
- Every dynamic system needs continuous readjustment. 每一動態系統都需要不斷地再調整。
- Headspace techniques are simple, quick and solventless techniques, and require small amounts of sample without artifacts; 頂空技術快速簡單,不需要有機溶劑,需要的樣品量少,分離過程中無雜質生成;
- Test Method for Dynamic Surface Tension by the Fast Bubble Technique (15. 用快速發泡技術測定動態表面張力的試驗方法(15。
- The conflict process is a dynamic phenomenon. 衝突過程是一種動態現象。
- This is the first main crux of dynamic theory. 這是動態學說第一個主要的難題。
- Dynamic RAM's need to be refreshed periodically. 動態RAM則需要周期性地刷新數據。
- In the dynamic case motion is often harmonic. 在動態情況下,運動通常為諧運動。
- The results are dynamic paintings. 其結果是畫有力度。
