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吸收峰位置
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  position of absorption peak
     By mixing ferrite and iron sand,a composite AbsorptionMaterial was formed with two absorption peaks,one of which shifts towards low frequency withits absorptivity increasing to 14. 5dB. The addition of magneto plumbite ferrite and rare earth tothe composite material can change the position of absorption peak and increase absorptivity to amaximum of 27 dB.
     将铁氧体吸收体和铁砂吸收体组成复合电波吸收材料,亦有两个吸收峰,一峰向低频区偏移,吸收量增至14.5dB,以复合吸收体为基础材料,在其中添加六角铁氧体和稀土元素,可改变吸收峰位置,提高吸收量,最大可达27dB.
短句来源
  absorb peak position
     It is observed that the absorb peak position of the amorphous thin film is 20 nm shorter than that of the pollycrystalline one.
     发现非晶态薄膜吸收峰位置较多晶态薄膜向短波移动20nm 。
短句来源
  “吸收峰位置”译为未确定词的双语例句
     When potential was shifted from -1.60 to 0.30V(vs.SCE), three bands near 2076, 2094, and 2170cm~(-1) were recorded within the wavenumber range 2030—2230cm~(-1) in 0.5molL~(-1) NaCN+0.5molL~(-1) NaF.
     对于0.5mol~(-1)L~(-1)NaCN+0.5mol L~(-1)NaF/Cu体系,电极电势在-1.60至0.30V(相对SCE)范围内,2030—2230cm~(-1)范围内可得到三个吸收峰,位置分别为2076,2094和2170cm~(-1)。
短句来源
     the second absorption peak shifts from 9.75 to 10.4GHz;
     第二吸收峰位置从9.75GHz移至高频10.4GHz;
短句来源
     The peak of selectivity factor α is obtainedat 1047 cm~(-1), shifted by 36 cm~(-1) to the red side of the linear absorption peak of ~(13)CHCIF_2.α decreases with the increasing of laser fluence and F-22 pressure.
     测得选择系数α的峰值位置在1047cm~(-1),相对于~(13)CHClF_2的线性吸收峰位置红移了36cm~(-1),α随激光能量密度、F-22气压的增高而降低。
短句来源
     The excitation peaks of Ce3+ ion were shifted regularly by mixing the (BO3)3- into(La,Ce)PO4:Tb compounds,and the thermal stability of the compound(La,Ce)Po4BO3:Tb was better than(La,Ce)PO4:Tb.
     (BO3)3-加入到(La,Ce)PO4:Tb中,一方面使Ce3+吸收峰位置随(BO3)3-加入浓度不同有规律性变化,另一方面可以提高材料的热稳定性。
短句来源
     The hydroxyl radical derived from the photolysis of HNO2 was added to hexafluorobenzene with a second-order rate constant of 1.8×109 L·mol-1·s-1 to form an adduct, C6F6.. . OH, which had absorption peaks at 250, 270, and 400 nm.
     实验表明,C6F6可与HNO2光解产生的OH自由基反应生成加合物C6F6…OH,二级反应速率常数为1.8×109L·mol-1·s-1,加合物吸收峰位置在250、270和400nm处;
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  相似匹配句对
     The results showed that in all complexes some bands(ν_(O—H),ν_(N—H),δ_(O—H),δ_(N—H)) were shifted to lower wave number,and some(ν_(C—N),ν_(O—N)) were shifted to higher wave number.
     C—O,C—N键吸收位置向高波数方向移动。
短句来源
     Only the position of peaks is used in inference.
     分析谱图时,只考虑吸收位置.
短句来源
     2. The movement of the crest;
     2.位置的移动;
短句来源
     Influence of the metal grain size on the position of the plasmon resonance absorption peak was also discussed.
     讨论了共振吸收位置与金属微粒尺寸的关系
短句来源
     (3) absorption position was different hi different solvents;
     (3)不同溶剂中酞菁Q带吸收位置不同;
短句来源
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  absorption peak position
The absorption peak position is determined by the amplitude and frequency of the pump field.
      
In the in vivo absorption spectra a spectral shift of the red absorption peak position from 674 to 680 nm was indicated during the first 3 h of greening.
      
The continuous curve is the size dependence of the theoretical optical absorption peak position in PS nanocrystallites.
      


The dielectric spectra of doped cubic silver bromide emulsions are studied. 1-8 mol% Cd(NO3)2, CdCl2, CdBr,, Cu(NO3)2, CuCl2, CuBr2, KCl and KBr are added into the cubic AgBr emulsions, respectively. It is observed that the peaks of dielectric loss curves are broadened and markedly shifted to lower frequencies in silver bromide emulsions with CdCl2, and CdBr2, while there is皀o change in dielectric spectra in the case of Cd(NFO3)2 and Cu(NO3)2 doping. For emulsion samples with CuCl2, CuBr2, KCl and KBr, the peaks...

The dielectric spectra of doped cubic silver bromide emulsions are studied. 1-8 mol% Cd(NO3)2, CdCl2, CdBr,, Cu(NO3)2, CuCl2, CuBr2, KCl and KBr are added into the cubic AgBr emulsions, respectively. It is observed that the peaks of dielectric loss curves are broadened and markedly shifted to lower frequencies in silver bromide emulsions with CdCl2, and CdBr2, while there is皀o change in dielectric spectra in the case of Cd(NFO3)2 and Cu(NO3)2 doping. For emulsion samples with CuCl2, CuBr2, KCl and KBr, the peaks of dielectric loss curves are shifted slightly to higher frequencies. On the basis of these experimental results, it is deduced that Cd++ ions can incorporate into the crystal lattice on the surface of silver bromide crystal only in the presence of excess halogen ions in the emulsion, and that it is difficult for Cu++ ions to incorporate into the crystal lattice even when excess halogen ions are present. The difference in the behaviour of Cd++ and Cu++ ions is attributed to the difference between the radii of both ions, the electron configuration of the ions and their coordination in the crystals. Finally, the condition under which the Sillars equation applies to a photographic emulsion system is considered.

测定了立方AgBr乳剂经添加不同量Cd(NO_3)_2、CdCl_2、CdBr_2、Cu(NO_3)_2、CuCl_2、CuBr_2、KCl和KBr以后的介电频谱,发现Cd~(++)离子只有在卤素离子存在的情况下才能进入AgBr微晶的表面层晶格,使AgBr微晶表面层内填隙银离子浓度降低,从而使AgBr乳剂的介电吸收峰明显向低频方向偏移。Cu~(++)离子很难进入AgBr微晶的表面层晶格,因而对介电吸收峰的位置和形状没有明显影响。这种差别可能主要是由于Cd~(++)和Cu~(++)离子的离子半径、电子层构型及晶体中的配位情况不同所引起的。 最后,对Sillars方程应用于照相乳剂体系的条件作了初步探讨。

We have studied and verified that the UV absorption spectra of the charge-transfer complexes (CTC) formed by various aromatic amines as electron-donors with various electron-acceptors are closely related to their structures. Instead of forming peaks only some broadening of the absorption band was observed for the system composed of weak electron-acceptors and aromatic amines. Only strong electron-acceptors, such as tetracya-noethylene, showed a new peak when forming CTC with aromatic amines. The UV absorption...

We have studied and verified that the UV absorption spectra of the charge-transfer complexes (CTC) formed by various aromatic amines as electron-donors with various electron-acceptors are closely related to their structures. Instead of forming peaks only some broadening of the absorption band was observed for the system composed of weak electron-acceptors and aromatic amines. Only strong electron-acceptors, such as tetracya-noethylene, showed a new peak when forming CTC with aromatic amines. The UV absorption showed peak increasingly larger bathochromic shift both with increasing electron-accepting power of the acceptors and with increasing electron-donating power of the aromatic amines, i.e. with electron-donating substituting group on the benzene ring or with more substituting alkyl groups on the nitrogen atom of the amine molecule.

芳香胺与电子受体相互作用形成的电荷转移复合物(CTC)的吸收峰位置与两者的结构有关。弱的电子受体使芳胺紫外吸收峰加宽,而强的电子受体如四氰基乙烯(TCNE)与芳胺作用产生的CTC显示新峰。受体的受电子能力越强,新峰红移越多。芳胺苯环上氨基对位的取代基给电子能力越强,氮原子上烷基取代基越多,其与受体形成的CTC的吸收峰红移也越多。

This article deals with the low-lying electronic states------the charge transfer excitons

本文讨论碱卤晶体中的低激发电子态——电荷转移型激子(charge transfer exciton简写为CTE)。采用简并态微扰论的标准方法,研究CTE的能谱,推出CTE系统的有效哈密顿量。数值计算得到的CTE能级位置与实验测定的光吸收峰位置符合得较好。本文还得出了CTE的能带宽度和有效平移质量等物理量。

 
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