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分析分离
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  analytical separation
     2002 International symposium on advances in analytical separation science
     2002年分析分离科学进展国际研讨会
短句来源
     Analytical Separation Techniques for the Determination of Nerve Agent
     神经性毒剂检测的分析分离技术
     Capillary Electrophoresis (CE) is one of the most powerful analytical separation techniques.
     毛细管电泳(Capillary Electrophoresis, CE)是近年来发展迅速的新型分析分离技术。
短句来源
     With the development of recombinant DNA and peptide synthesize technology, and advantage in analytical separation technology, more and more proteins and peptides, such as enzyme, activators and inhibitors, poly- and monoclonal antibodies, and various vaccines, are used as pharmaceuticals in clinic.
     随着重组DNA和多肽合成技术的发展,更加之分析分离技术的提高,越来越多的蛋白质和多肽,象酶、活性因子、抑制因子、多克隆与单克隆抗体、疫苗,被作为药物应用于临床。
短句来源
  analysis and separation
     High Performance Liquid Chromatography (HPLC) as an important modern measurement of separation now is one of high performance and fastly speed analysis and separation technology emerging in the 1970's.
     高效液相色谱法(High Performance Liquid Chromatography,HPLC)是70年代迅速发展起来的一项高效、快速的分析分离技术,是现代分离测试的重要手段。
短句来源
     Progress in Research on Application of High Performance Liquid Chromatography Chiral Pesticide Residue Analysis and Separation
     高效液相色谱在手性农药分析分离上的应用研究进展
短句来源
     Field-flow fractionation(FFF) is a convenient shortcut for analysis and separation techniques,which possesses many excellences such as simple instrumentation,broad applications and unprecedented efficiency.
     场流分离是一种方便快捷的分析分离技术,它具有设备简单,应用广泛,效率高等优点。
短句来源
     The recent applications of capillary electrophoresis (CE) was reviewed. Including the analysis and separation of nucleoprotein, polypeptide, saccharide, micromolecule and ion.
     阐述了毛细管电泳技术在天然产物分离分析中的最新应用 ,包括核蛋白质、多肽、糖、小分子与离子的分析分离 ,手性分子的拆分以及生物碱、酮、甙的分析 .
短句来源
     As a new technique for sample analysis and separation,microwave-assisted extraction(MAE) has many advantages.
     微波辅助萃取作为一种新的分析分离技术,具有许多突出的优势。
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  “分析分离”译为未确定词的双语例句
     Genetic characterizations of the dm1 mutant resulted in the discovery of a novel single mutant, named ae1 for asymmetric leaves1/2 enhancer.
     遗传分析分离出一个有趣的隐性单突变,并把这个隐性基因命名为AE1 (ASYMMETRIC LEAVES1/2 ENHANCER1)。
短句来源
     The results show that the stationary phase has excellent chromatographic properties and resistance to hydrolysis between pH 2 5-7 5. It can be used for the efficient separation of basic compounds.
     结果表明 ,该键合相具有较好的色谱性能 ,且在 pH 2 5~ 7 5时稳定性能良好 ,可有效地用于碱性化合物的分析分离
短句来源
     The oils obtained were analyzed by GC-MS. More than 90,38 and 57 peaks were separated respectively,and 86,36 and 55 compounds representing 95.56 % ,94.74 % and 96.49 % of the oils respectively were identified which indicated that there were 16 kinds of identical substances in the oils. Essential oil constituents from S. moellendorfii, L.japonicum and Pterismultifida were mainly higher alkanes, alkenes, alcohols, phenols and aldehydes.
     分别提取江南卷柏、海金沙和凤尾草的地上部分的挥发油,经气相色谱-质谱(GC-MS)联机分析,分离出90、38和57个峰,确认出其中86、36、55种成分,3者相同的物质有16种,挥发油主要成分为高级烷烃、烯烃、醇、酚及醛,所鉴定的组分分别占总峰面积的95.56%、94.74%和96.49%。
短句来源
     Aroma components of Merlot claret, extracted by solvent extraction,were analyzed by GC/MS. 37 peaks were separated and 27 kinds of components were identified, 97.14 % of total peak area.
     采用溶液萃取法提取梅尔诺干红中的香气成分,经气相色谱-质谱联机分析,分离出37个峰,鉴定出27种化合物,占总峰面积的97.14%。
短句来源
     The essential oil from Ocimum basilicumL. was extracted by steam distillation and analyzed by GC-MS technique. The results show that 15 constituents have been identified,among which,the principal are linalool(6.46%),estragole(66.81%),elemene(2.31%)and δ-cadinenol(9.13%).
     水蒸气蒸馏法提取粤产紫罗勒精油,利用气相色谱-质谱联用(GC MS)技术进行化学成分分析,分离鉴定出15种化学成分,其中主要成分有芳樟醇(6.46%)、龙蒿脑(66.81%)、榄香烯(2.31%)和δ 杜松烯醇(9.13%)。
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  analytical separation
Concept of Selectivity and Its Meaning in Analytical Separation Techniques
      
The ambiguity of the use of selectivity concept in currently available analytical separation techniques (including chromatographic techniques) is pointed out.
      
Practical application of the chelate-containing chromatographic packings for analytical separation and sorption concentration of organic substances is considered.
      
Analytical separation was performed of 1,2-dihydropyrazines into individual enantiomers by means of HPLC on columns with chiral sorbents.
      
This representation provides the analytical separation of the angles in the time-dependent Schr?dinger equation.
      
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  analysis separation
An improved method for ruthenium analysis separation from uranium by pressure precipitation with H2S
      
Pre-analysis separation and concentration of actinides in groundwater using a magnetic filtration/sorption method I.
      
This paper will review previous work on using ferrites for water treatment and discuss the potential for using the magnetic field-enhanced column process as a pre-analysis separation and concentration method for actinides in groundwater.
      
  analysis and separation
High-performance size exclusion chromatography has been applied to the analysis and separation of a range of 'biological products' - substances and preparations used in human medicine that cannot be completely defined by chemical and physical means.
      
Initial mobile phase (% methanol), change of solvent strength of mobile phase during analysis and separation temperature have been considered as experimental parameters.
      
Use of water-insoluble enzyme derivatives in biochemical analysis and separation
      
Current developments in the application of water-insoluble enzyme derivatives in biochemical analysis and separation are dealt with.
      
The restriction analysis and separation in agarose gel showed no differences in length of the digested cpDNA between or within populations.
      
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Treatment of aggregated silica beads with γ-(perfluorocapryl amido)-propyl riethyloxysilane, CF_3(CF_2)_6CONH(CH_2)_3Si(OC_2H_5)_3, gave rise to a new perfluoroamide bonded PLC packing that was oalled F-N bonded packing. From its carbon and fluorine content, it is believed that he ligand group has a γ- (perfluorocapryl amido)-propyl monoethoxy structure and its coverage is around %. The specific surface area of the aggregated silica beads is 300 m~2/g, so the surface concentration of his ligand group is about...

Treatment of aggregated silica beads with γ-(perfluorocapryl amido)-propyl riethyloxysilane, CF_3(CF_2)_6CONH(CH_2)_3Si(OC_2H_5)_3, gave rise to a new perfluoroamide bonded PLC packing that was oalled F-N bonded packing. From its carbon and fluorine content, it is believed that he ligand group has a γ- (perfluorocapryl amido)-propyl monoethoxy structure and its coverage is around %. The specific surface area of the aggregated silica beads is 300 m~2/g, so the surface concentration of his ligand group is about 0.3μmol/m~2. This F-N bonded packing is much less polar than its parent aterial, and shows good selectivities towards compounds containing different numbers of conjugated ouble ond and hydroxyl groups. This packing is good for the separation of 5β-hydroxy-β-ecdyson (6) and β-odysone (5), spirolactone (7) and △~1-dehydrospirolactone (8), pregnenediones (1) and (2), orticosterone (11), deoxycorticosterone (10) and progesterone (9) as well as stachysterone D 3) and ajugasterone D (4).

我们将Υ-(全氟辛酰胺基)丙基三乙氧基硅烷,CF_3(CF_2)_6CONH(CH_2)Si(OC_2H_5)_3,与堆积硅珠(比表面积300m~2/g)键合,使其表面改性.根据元素分析计算出此填料上的有机层复盖量为5%,键合基为Υ-(全氟辛酰胺基)丙基一乙氧基硅烷,表面层浓度0.3μmol/m~2.它的色谱极性较硅胶小,对多羟基甾体及共轭烯酮类化合物有较好的分离作用.曾应用于筋骨草激素、蜕皮激素、孕甾烯酮、螺旋内酯、副肾皮质酮、黄体酮及其它甾族化合物的分析分离.

The micro-fibrillar alumina A and B having Bayerite structure were prepared from different reagent in 80—98℃.The effect of calcining temperature on the feature, structure, surface area and acidity were studied.This alumina was used as support of the catalyst for remove oxygen from H_2.The catalytic property was good especially the space velocity could be raised to 10 times that of granular A1_2O_3. The performance of capillary chromatographic column prepared from this fibrillar alumina showed good performance...

The micro-fibrillar alumina A and B having Bayerite structure were prepared from different reagent in 80—98℃.The effect of calcining temperature on the feature, structure, surface area and acidity were studied.This alumina was used as support of the catalyst for remove oxygen from H_2.The catalytic property was good especially the space velocity could be raised to 10 times that of granular A1_2O_3. The performance of capillary chromatographic column prepared from this fibrillar alumina showed good performance for separating C_1-C_5, and pyrolysis gas. The column efficiency was as high as 5830 plate/m (taking hexene as standard).

介绍了粉末状纤维氧化铝的合成方法,考察了主要制备因素对合成的影响,着重讨论了焙烧温度与晶形、晶相、表面结构等的关系,并观察了将其应用于催化反应和色谱分析中的初步结果。实验表明,当温度控制在80—98℃时,能得到直径为0.1μ的粉末状氧化铝纤维,按制备用原料的不同,其比表面为125—345m~2/g,孔体积为0.16—0.37ml/g。实验发现,焙烧温度在300—900℃范围内都是η—Al_2O_3,在1100℃时才变成α-Al_2O_3。焙烧温度对表面性质也有明显影响。应用初探表明,将其用于氢气中脱O_2,当残氧量为0.1—0.3ppm,其空速可达10×10~4ml/g·h;将其用作毛细菅色谱柱固定相以分析分离C_1—C_5气态烃时,26个峰在30min之内即可出完,柱效可达5830plate/m。

The starting separation on the slender bodies was investigated at the moderate angles of attack. The surface separation patterns of the slender bodies with different nose shape were visualized by using the surface oil flow technique. The starting separation behavior has been examined. In the present experiment the open separation was observed, and it seems that the open separation may start at an ordinary point. In addition, the spiral point at which a nose vortex creates or ends was also observed. It appears...

The starting separation on the slender bodies was investigated at the moderate angles of attack. The surface separation patterns of the slender bodies with different nose shape were visualized by using the surface oil flow technique. The starting separation behavior has been examined. In the present experiment the open separation was observed, and it seems that the open separation may start at an ordinary point. In addition, the spiral point at which a nose vortex creates or ends was also observed. It appears that the spiral point may be the starting point of the closed separation, and the starting point of the open separation with a singuarlity point either.

本文实验研究了细长体模型在中等迎角下的初始分离问题。观察了不同头部形状的细长体在不同迎角下的分离流态。考察并分析了分离起始点的性质。观察到开式分离的存在,实验结果分析认为开式分离可以起始于正常点。此外,在钝头和尖头模型上都出现了螺旋点形式的头部涡。它们或是闭式分离的起始点,或是奇点型开式分离的起始点。

 
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