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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(dòng)態(tài)頂空進(jìn)樣與氣質(zhì)聯(lián)用法測定紹興酒中異戊醛、糠醛、苯甲醛含量的方法,并對8種紹興酒進(jìn)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(jìn)樣氣相色譜法對聚氯乙烯樹(shù)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(dòng)態(tài)頂空法分離梔子鮮花的頭香成分,用GC/MS技術(shù)分析鑒定,并用GC/MS總離子流色譜峰的峰面積進(jìn)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(dòng)態(tài)頂空進(jìn)樣法分析了北京傳統肉食品“月盛齋醬牛肉”的風(fēng)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制備技術(shù),包括溶劑萃取、溶劑輔助蒸餾、同時(shí)蒸餾萃取、頂空技術(shù)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(fā)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(fā)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(dòng)態(tài)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(mǎn)活力的銷(xiāo)售人員。
- dynamic headspace 動(dòng)態(tài)頂空
- dynamic headspace balance 動(dòng)態(tài)頂空平衡法
- dynamic headspace collection 動(dòng)態(tài)頂空套袋-吸附采集法
- circular dynamic headspace 動(dòng)態(tài)頂空
- Every dynamic system needs continuous readjustment. 每一動(dòng)態(tài)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(shù)快速簡(jiǎn)單,不需要有機溶劑,需要的樣品量少,分離過(guò)程中無(wú)雜質(zhì)生成;
- Test Method for Dynamic Surface Tension by the Fast Bubble Technique (15. 用快速發(fā)泡技術(shù)測定動(dòng)態(tài)表面張力的試驗方法(15。
- The conflict process is a dynamic phenomenon. 沖突過(guò)程是一種動(dòng)態(tài)現象。
- This is the first main crux of dynamic theory. 這是動(dòng)態(tài)學(xué)說(shuō)第一個(gè)主要的難題。
- Dynamic RAM's need to be refreshed periodically. 動(dòng)態(tài)RAM則需要周期性地刷新數據。
- In the dynamic case motion is often harmonic. 在動(dòng)態(tài)情況下,運動(dòng)通常為諧運動(dòng)。
- The results are dynamic paintings. 其結果是畫(huà)有力度。