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特征吸收谱带
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  characteristic absorption band
     The results indicate that carbonate rocks have characteristic absorption band between 2 300 to 2 350 nm due to CO 2- 3, and that the depth of absorption band( D ) and average reflectivity of the rocks are increased with carbonate mineral content.
     分析结果表明:碳酸盐岩的特征吸收谱带位于2300~2350nm,随着碳酸盐岩中Mg2+含量的增加,其特征吸收谱带的中心波长位置具有向短波长方向移动的特点;
短句来源
  characteristic band
     The optimal erosslinking temperature and time of JR—Ⅰ emulsion are ascertained according to the changes of the strength of infrared characteristic band with temperature and with time in constant temperature. The crosslin-king mechnism is also discussed.
     根据红外特征吸收谱带强度随温度的变化及恒温下随时间的变化,确定了JR—Ⅰ型乳状液的最佳交联温度及最佳交联时间,并对其交联机理进行了探讨。
短句来源
  characteristic absorption bands
     By means of FT-IR spectra and its differential spectra, the characteristic absorption bands produced by new species of non - crystalline phase at the interface are reported for the first time.
     根据FT-IR光谱及其差谱的原始数据,首次报导了界面上新生的非晶相物种的特征吸收谱带,并将其与键价结构相关联。
短句来源
     There are some changes in the coordinating environment or hydrogen-bonding environment of the sulfonate group, but no obvious changes can be observed in the characteristic absorption bands of the carboxyl group.
     两配合物中磺酸基的特征吸收谱带存在很大筹别,但羧基的的特征吸收谱带却没有明显变化,可以推测新配合物中磺酸基的配位环境或者氢键环境有可能发生了变化,而羧基的配位环境可能与配合物2相同。
  “特征吸收谱带”译为未确定词的双语例句
     The IR spectra of alkyl α furanacrylates was characterized by the followwing aspects: 1. There were main characteristics for α furan ring, and its ring vibration frequencies were near 1560,1480, and 139cm -1 , respectively, while the frequency of ring C H was 3130cm -1 . The asymmetric and symmetric stretching vibration frequencies of C O C in the ring were 1075 and 1210cm -1 , respectively.
     总结和归属了α呋喃丙烯酸酯红外光谱的主要特征.1.呋喃环3个特征吸收谱带如下:①环C—H和骨架伸缩振动频率分别为3130和1560、1480、1391cm-1; ②环中C—O—C键对称和不对称伸缩振动频率分别为1075和1210cm-1;
短句来源
     It was found that for the Na W Mn/SiO 2catalysts, the bands of the Na O W species were at 960, 928, 810, and 789 cm -1 and the bands for the Na O Mn species were at 627, 577, 517 and 478 cm -1 respectively.
     结果表明 :960 ,92 8,81 0 ,789cm-1等吸收峰是 Na- W- Mn/ Si O2 催化剂中 Na-O- W物种的特征吸收谱带 ; 62 7,577,51 7,478cm-1等吸收峰是 Na- O- Mn物种的特征吸收谱带 ;
短句来源
     The results showed that the complex has three kinds of absorption bands, which are 2 E g→ 2 T 2g d-d transition, Cu→Cu d-d shift and RCOO→Cu charge transfer.
     实验结果表明,该配合物有三种类型特征吸收谱带,分别归属为2Eg→2T2gd-d电子跃迁,Cu→Cud-d电子迁移和RCOO→Cu的电荷转移
短句来源
     The relation between the infrared spectrum and fusion temperature of ash after adding Fe_2O_3 as the additive are investigated. The result shows that linearity relativity between the transmittance ratio of hematite's typical absorption band at 564 cm~(-1) to Si-O bend-vibration absorption band at 476 cm~(-1) and ash fluid temperature exists clearly after adding Fe_2O_3 as the additive.
     同时对添加Fe_2O_3后煤灰红外光谱图与煤灰熔融特性之间的关系进行研究,研究发现添加Fe_2O_3后,煤灰红外谱图中476cm~(-1)处O-Si-O弯曲振动吸收谱带和564cm~(-1)处赤铁矿特征吸收谱带的透过率比与煤灰熔融温度有较好的相关性。
短句来源
     A new band appears at 1 650 cm~(-1) in the infrared spectra of the YCl_3/ PEU system,which corresponds to the new carbonyl structure formed through the coordination with yttrium cations.
     红外光谱测定证明稀土离子与聚氨酯中的部分羰基配合,产生了新的酰胺结构,其特征吸收谱带位于1 650 cm-1;
短句来源
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      characteristic absorption band
    The absence of the main characteristic absorption band of the NpO2+ dioxocation (980 nm) in the electronic absorption spectrum suggests centrosymmetrical equatorial surrounding of the Np(V) atom.
          
    It is shown that the change in the profile of the characteristic absorption band and the position of its peak correlate with the characteristics of formation of the ripples on the silicon surface.
          
    The new center possesses a characteristic absorption band at 250nm, at the long wavelength side of the knownHi0 absorption band (235nm).
          
    IR spectra of these spots showed a characteristic absorption band of resin acids at 1697?cm-1.
          
    The introduction of PBTPA was confirmed by the presence of the characteristic absorption band attributed to PBTPA from a Fourier transform infrared spectra.
          
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      characteristic band
    It is suggested that the position of major band is probably related to AI content: the position of major characteristic band for high-AI samples is around 3 470 cm-1, whereas that for low-AI samples around 3 620 cm-1.
          
    IR characteristic band assignments were made, and used in stereo-structural predictions.
          
    Raman spectroscopy can thus be used to detect sporulation of cells by a characteristic band at 1,018?cm-1 from calcium dipicolinate.
          
    The refocusing of characteristic band of one fraction produced a slight discrepancy in the isoelectric points (0.2-0.3 pH units).
          
    Mustard oil shows its characteristic band at 671.5 nm, and rice bran oil shows two characteristic bands at 550 and 564 nm and a contour centered at about 656 nm.
          
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      characteristic absorption bands
    We analyzed the appearance/disappearance of characteristic absorption bands of A and B DNA forms and determined D1088/D1224, the ratio between the band intensities of symmetrical and asymmetrical oscillations in their phosphate groups.
          
    The results show three characteristic absorption bands around 1440, 1900, and 2500 nm.
          
    First evidence for the presence of water ice was found in a spectrum of one TNO while others do not show the characteristic absorption bands.
          
    The isolated material was composed entirely of glucose residues and the infra-red spectrum exhibited characteristic absorption bands at 925 cm-1, 845 cm-1 and 745±4 cm-1, indicating the presence of α (1→4) glycosidic linkages.
          
    It was found that the characteristic absorption bands of amides, which appear at 180-190 mμ, greatly change by hydrogen bonded dimer formation and moreover their changes are sensitive to the relative orientation of the monomers.
          
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    By means of improved free-standing film technique and Fourier Transform Infrared spectrometer,infrared spectra of single strand,double strand and biotin labeled DNAs were investigated; characteristic absorbances generated by specific chemical bond vibrations within biotin molecule were observed with sensitivity of 0.1ng Bio-dUTP,which might be used in DNA analysis or pathogen detection by Southern or dot blot hybridzation.The advantages and possibilities of applying FTIR technique in molecular biology were discussed....

    By means of improved free-standing film technique and Fourier Transform Infrared spectrometer,infrared spectra of single strand,double strand and biotin labeled DNAs were investigated; characteristic absorbances generated by specific chemical bond vibrations within biotin molecule were observed with sensitivity of 0.1ng Bio-dUTP,which might be used in DNA analysis or pathogen detection by Southern or dot blot hybridzation.The advantages and possibilities of applying FTIR technique in molecular biology were discussed.

    应用干涉型傅里叶变换红外分光光度计及聚乙烯膜作载体,得到了单链、双链DNA、生物素-dUTP及经过缺口翻译参入生物素的DNA探针的红外光谱,观察到Bio-dUTP分子内化学键振动产生的特征吸收谱带。利用差谱技术比较了DNA与生物素标记DNA的差异。Bio-dUTP的特征吸收探测灵敏度可达0.1ng。同时分析了硝酸纤维膜与genescreen的红外透过性质。

    The chemical changes in the crosslinking process of JR—Ⅰ emulsion have been investigated by infrared spectroscopic method. The optimal erosslinking temperature and time of JR—Ⅰ emulsion are ascertained according to the changes of the strength of infrared characteristic band with temperature and with time in constant temperature. The crosslin-king mechnism is also discussed.

    本文用红外光谱法研究了JR—Ⅰ型乳状液交联过程中的化学变化。根据红外特征吸收谱带强度随温度的变化及恒温下随时间的变化,确定了JR—Ⅰ型乳状液的最佳交联温度及最佳交联时间,并对其交联机理进行了探讨。

    Eight neW compounds of the(GeCH_2 CH_3 CHCOOAr)_2O_3 weresynthesized and their constituents were determined by elemental analysis,IRspectra and XPS.In the IR spectra,there were characteristic bands of Ge—Obonds at 800~900~(-1).These compounds had similar three—dimentional networkstructures formed with the-Ge-O-Ge-O-bridge,which Was the same as Ge-132.When heated,the compounds Were decomposed in three steps,the final productbeing GeO_2.

    合成了8种未见报道的新有机锗化合物—β—酚酯基丙基锗倍半氧化物,研究了它们的结构特征。IR 光谱和XPS 谱证实,系列有机锗化合物具有相似的空间构型,均存在Ge—O—Ge—大环网络结构,800~900cm~(-1)出现VGe—O 强特征吸收谱带。讨论了它们的热分解机理。

     
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