gas chromatography (gc) 中文意思是什麼

gas chromatography (gc) 解釋
氣體層析術
  • gas : n （pl gases ）1 氣，氣體，氣態 〈cf fluid; solid〉 2 可燃氣，煤氣，沼氣；【礦物】瓦斯。3 【軍事...
  • chromatography : n. 【化學】層析，色層（分離）法。
  1. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

    摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分，類型涉及烷烴、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。
  2. Experimental studies were conducted at the yucheng comprehensive experimental station of the chinese academy of sciences during the period from march to june in 2003. respiration of a pulverous sandstone soil was studied under cultivation of winter wheat over a growth season. soil ch4 was measured by the static - chamber method combined with gas chromatography ( gc ) technique. the results indicated that the soil of winter wheat field in rapid growth season is a weak sink of ch4

    本文利用靜態箱氣相色譜（ gc ）分析的方法，在中國科學院禹城綜合試驗站，對華北平原冬小麥生長旺季期間麥田土壤中ch _ 4氣體通量進行了測定，試驗起止時間為2003年3 6月，得出華北平原典型冬麥田土壤是大氣ch _ 4的弱吸收匯。
  3. Their properties have been investigated by using scanning electronic microscopy ( sem ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), thermogravimetry - differential thermal analysis ( tg - dta ), infrared spectroscopic analysis ( ir ), and gas chromatography ( gc ), etc. the effects of the mulser ' s stirring rate and the emulsifier concentration on the properties of encapsulated pcms have been systematically studied, and nanopcms have been obtained by increasing the stirring rate or the emulsifier concentration. the influences of different nucleating agents on micropcm performances have also been investigated in detail to search for a suitable nucleating agent to prevent micropcms from super - cooling

    首先，系統研究了乳化機轉速和乳化劑濃度對膠囊性能的影響，並通過提高轉速或乳化劑濃度獲得相變材料納膠囊；其次，系統研究了不同成核劑對微膠囊性能的影響，找到合適的成核劑抑制了相變材料微膠囊的過冷現象；再次，詳細研究了環己烷對膠囊性能的影響，並通過添加適量環己烷提高了相變材料微膠囊及納膠囊的耐熱溫度。
  4. The data should be obtained by using appropriate tests, such as tlc, gas chromatography ( gc ), high - pressure liquid chromatography ( hplc ), phase solubility analysis, appropriate thermometric analytical procedures, and others as necessary

    應當要應用適當的檢測方法來獲得這些資料，比如說tlc ， gc ， hplc ，相溶解分析，適當的熱分析方法及其它必要的分析方法。
  5. A comprehensive two - dimensional gas chromatography / time - of - flight mass spectrometry ( gc gc / tofms ) method has been developed for the characterization of phenols in mainstream cigarette smoke condensate

    建立了卷煙主流煙氣粒相物中酚類化合物組成研究的全二維氣相色譜飛行時間質譜方法，並用所建立的方法對一種市售混合型卷煙主流煙氣粒相物中的酚類鎦分組成進行了表徵。
  6. Qualitative and quantitative detection of plants phas using gas chromatography ( gc ) indicated that hd were the major composition of phas and the maximum pha accumulation was 22 mg / g dry weight

    用氣相色譜法對轉基因植株中的pha進行定性定量檢測，確定pha的主要成分為羥基癸酸（ hydroxydecanoate ， hd ） ，表達量最高為2 . 2干重。
  7. Following, we developed an electronic nose adopting advanced technology which combined capillary column to separate vocs according their different retention time and surface acoustic wave sensor coating with polymer film to detect the qualities of those vocs. in my article, lung cancer situation, breath detection principle, feasibility of electronic nose adopting breath detection, and the principles of spme & gc have been particularly introduced. and initially certified the correlation between lung cancer and the marker vocs by detecting lung cancer patients breath, normal human breath, and lung problem patients by solid phase microextraction ( spme ) and gas chromatography ( gc ) system

    本課題根據國外關于呼吸氣體中某些有機氣體成分和肺癌相關性的研究工作報告，採用固相微萃取?氣相色譜系統對肺癌病人呼吸氣體、正常人呼吸氣體、和其它類肺病患者呼吸氣體中的有機氣體成分進行對比檢測、研究，以期確定肺癌病人呼吸氣體中特徵有機氣體成分；並且期望建立首創的採用毛細管色譜柱與聲表面波傳感器聯用技術的電子鼻系統，與固相微萃取?氣相色譜系統作為對比檢測，能夠做到粗篩肺癌病人。
  8. Gas chromatography - mass spectrometry ( gc - ms ) analyses showed that both potassium permanganate and chlorine could oxidate the organic matters with unsaturated functional groups into those with carboxyl, hydroxyl and aldehyde. and it was further revealed that after preoxidation by potassium permanganate, the sorts of organic matters were reduced remarkably, however, chlorination leaded to increase of the sorts of orgnic matters and brought some chloro - organics such as chlorobenzene, chlorophenol, and trichloro - ethane

    通過色譜-質譜聯用（ gc - ms ）評價分析了高錳酸鉀和氯對有機物結構的改變，高錳酸鉀和氯均將原水中的一些不飽和性有機物氧化分解為一些含氧基團的有機物，如羧酸類、醇類和醛等有機物，但預氯化會在水中出現一些鹵代物，鹵代產物不僅出現在苯環上，而且出現在鏈烴上。
  9. The compositions of products from alkylation of m / o - cresols were analyzed by combination of gas chromatography and mass spectrometry ( gc - ms ). the analysis method for such compositions was established

    1電石深加工行業的現狀和發展思路電石生產已有近百年歷史，發達國家已轉向利用石油、天然氣資源替代電石生產化工產品.中國缺油多煤的國情，使電石生產仍然保持快速發展勢頭
  10. Comprehensive two - dimensional gas chromatography - time - of - flight mass spectrometry gc gc - tofms new technique and its applications in analyzing very complex samples

    飛行時間質譜新技術及用於極端復雜樣品的研究
  11. To extract the fatty acids compounds from laurencia tristicha and rhodomela confervoides, the fatty acid contents of the two kinds of seaweeds were separated and identified by gas chromatography / mass spectrometry ( gc / ms ) method. 17 and 18 peaks were separated respectively and 12 kinds of fatty acids were identified

    摘要制備三列凹頂藻和松節藻醇提物，採用氣相色譜質譜聯用儀（ gc / ms ）對這兩種海藻提取物脂肪酸進行了分析，各分離出17個和18個峰，鑒定了12種脂肪酸。
  12. Simple uncertainty evaluation model was established for suitably, efficiently and rapidly evaluating related measurement uncertainties according to measurement uncertainty evaluations, components for uncertainties plus their relationships of hch and ddt residues in meat analyzed by gas chromatography ( gc )

    摘要對氣相色譜法測定肉品中六六六、滴滴涕殘留量的不確定度進行分析，找出影響不確定度的因素，以及它們的相互關系，建立不確定度評估簡易模型，以便適用、有效、快捷地評估此類分析的測量不確定度。
  13. Butyltin compounds contamination in sea products collected from aug. 2001 to mar. 2002 in several chinese cities were determined with gas chromatography coupled with flame photometric detector using quartz surface - induced luminescence ( gc - qsil - fpd )

    摘要採用氣相色譜表面發射火焰光度檢測器聯用技術，對在2001年8月~ 2002年3月間採集於我國幾個城市的海產品進行了丁基錫污染測定。
  14. Method : the gas chromatography - time of flight mass spectrography ( gc - tofms ) was employed

    方法：採用氣相色譜飛行時間質譜法進行測定分析。
  15. Gas chromatography analysis, one - step synthesis process of - mfrom ethylene epoxide and hydrogen sulfide was studied. the products were well isolated through gc, and this method was repeatable

    摘要探討了以硫化氫、環氧乙烷為原料，一步法合成- m的方法，並主要對其氣相色譜分析進行了研究，通過氣相色譜技術得到了良好的分離效果，並且該法有較好的重復性。
  16. In this paper, the single - calibration - ratio iteration calculating method is proposed to improve quantitative analysis method for determination of water in water - reducible paint by gas chromatography ( gc ) and some procedures in experiment are modified

    摘要本文提出單點校正因子迭代法，改進了氣相色譜測定塗料中水的定量分析方法，並對部分實驗操作步驟進行了改進。
  17. At the same time, solid - phase microextraction ( spme ) as a new solvent - free extraction technique in sample preparation appeared in early 1990s. because of its advantages of simplicity, rapid extraction and easy quantification, spme was successfully applied to extraction and concentrating of many compounds in environment, food, biological fluids and pesticide matrices, the samples included gas, liquid and solid. spme could be easily utilized with gas chromatography ( gc ) and high performance liquid chromatography ( hplc )

    固相微萃取（ spme ）是由pawlisayn在1990年提出的一種新型的無溶劑樣品處理技術，在與氣相色譜（ gc ） 、高效液相色譜（ hplc ） 、毛細管電泳（ ce ）以及紫外光譜（ uvas ）等聯用后，廣泛應用於水、土壤、空氣等環境樣品和血、尿等生物樣品，以及食品、藥物等樣品的分析測定。
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