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the first band
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  “the first band”译为未确定词的双语例句
     The absolute reflectance and frequency-tunable range at 355nm are R=99.45% andΔλ(R≥99.00%)=75nm, respectively, for the broadband resonator mirror. For the mirror with the dual-central wavelengths, R=99.69% andΔλ(R≥99.00%)=59nm for the first band at 355nm;
     研制的355nm/248nm双带腔镜光学膜系,在355nm中心波长,其绝对光学反射率测量值为R(355nm)=99.69%,反射光谱带宽测量值为Δλ(R≥99.00%)=59nm;
短句来源
     Comparing to the eluates from the chromatographic column, the first band contains the m2, the second band contains the m1.
     结构解析与柱色层方法分离出的 2带配合物对照的结果是 :第一带为m2 ; 第二带为m1。
短句来源
     210 fragment in NS1 gene was used as template for PCR amplification following its synthesis into the first band cDNA by reverse transcriptase, resulting in specific reaction with bluetongue virus and not with EHDV and Ibaraki virus.
     采用NS_1基因中210bp的区段作为PCR扩增模板,经逆转录酶合成第一股cDNA后,再进行PCR扩增。 结果对BTV可扩增出特异片段,而鹿流行性出血病病毒和茨城病病毒则不出现扩增。
短句来源
     DNA fingerprint map of hybrid rice Ning 2A was established by using selected four SSR primer pairs. The result showed that the first band of RM206 and RM224 of SSR primer pairs is existed specially in Ning 2A.
     应用筛选出的 4对 SSR引物 ,建立了杂交水稻不育系宁 2 A以及宁 2 B的 DNA指纹图谱 ,结果表明 ,宁 2 A/ B特异性的 SSR指纹是引物 RM2 0 6的谱带 1和引物 RM2 2 4的谱带 1。
短句来源
     The bond orders, the charge densities and the energy levels of eight simple szo compounds were computed. The relationship between their wave number v and transition energy E of the first band was found as the following form v=18250 + 13000 E The agreement of the equation with the experiment value is good.
     为此,计算了八个简单偶氮化合物的键级、电荷密度和能阶,并找到了它们的波数 和第一带跃迁能△E间的关联式 ■=18250+13000△E。
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  相似匹配句对
     The First
     第一次
短句来源
     First,the G.
     文章首先介绍了G.
短句来源
     First, with M.D.
     D.
短句来源
     First,M.
     首先,对M.
短句来源
     ON PERMUTABLE BAND
     关于同余交换的带
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  the first band
In the temperature range 40-70 K we detected the structure of the first band such that the separation of the maxima of the resolved bands corresponded to the energy of an LO phonon.
      
Nucleation of the first band resulted in nonplanar and nonparallel oxide.
      
The region between the surface and the first band appeared to be free of precipitates, but TEM showed that very small clusters, about 50 ? in diameter, formed in the "PFZ," causing significant hardness (greater than 300 VHN).
      
Internal-oxide bands of MgO formed approximately parallel to the surface, the first band appearing at some finite, but irregular depth below the surface.
      
A geometrical analysis of the monochromatic solutions near the first band gap for a shallow Kerr grating is presented.The analysis is based on the coupled mode formalism and on Stokes variables.
      
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The purpose of this report is quantitative application HMO method to compute absorption spectrum of simple azo compounds. The bond orders, the charge densities and the energy levels of eight simple szo compounds were computed. The relationship between their wave number v and transition energy E of the first band was found as the following form v=18250 + 13000 E The agreement of the equation with the experiment value is good. But it, can not be applied to calculate the second band.

本文企图用HMO法对简单偶氮化合物的吸收光谱作出定量计算。为此,计算了八个简单偶氮化合物的键级、电荷密度和能阶,并找到了它们的波数 和第一带跃迁能△E间的关联式 ■=18250+13000△E。其计算结果和实验数据能较好符合,但此关联式不能用于第二吸收带。

The redox behaviors and electronic spectra of Rh_2(II) (OAc)_4 were investigated in fourteen nonaqueous solutions. The oxidation potentials of the solvation axial complexes of Rh_2(OAc)_4·L_2in weak σ-donor ligands such as CH_2Cl_2, (CH_2Cl)_2 PC, AC, THF,DMF, PrCN, AN, PhCN, and MeNO_2 were essentially invariant. The observable cathodic shifts of the oxidation potentials, however, were shown in the stronger σ-donor ligands such as Py, DMSO, P(OEt)_3 and PPh_3. This was explained in terms of two types of electronic...

The redox behaviors and electronic spectra of Rh_2(II) (OAc)_4 were investigated in fourteen nonaqueous solutions. The oxidation potentials of the solvation axial complexes of Rh_2(OAc)_4·L_2in weak σ-donor ligands such as CH_2Cl_2, (CH_2Cl)_2 PC, AC, THF,DMF, PrCN, AN, PhCN, and MeNO_2 were essentially invariant. The observable cathodic shifts of the oxidation potentials, however, were shown in the stronger σ-donor ligands such as Py, DMSO, P(OEt)_3 and PPh_3. This was explained in terms of two types of electronic configuration. Based on these electrochemical and spectral data of the neutral and cation radical of Rh_2(OAc)_4·L_2, the HOMO orbital of Rh_2(OAc)_4·L_2 was experimentally confirmed to be δ_(RhRh) in the weakσ-donor ligands. While in the axial complexes of Rh_2(OAc)_4 with strongerσ-donor ligands, the HOMO orbital was considered to be σ_(RhRh-L), which showed the electron-transition in the electronic absorption spectra(v_1) and the electron-transfer in the electrochemical oxidation of the Rh_2 (OAc)_·L_2.This differs from the case in the weak σ-donor ligands, in which v_1 was resulted from π_(RhRh)→σ_(RhRh) electron-transition, and an electron was removed from the HOMO δ_(RhRh) in electrochemical oxidation. The donative power of these solvents was in the order: CH_2Cl_2 ~(CH_2Cl)_2the first band shifts for the solvent with different type of the donative atoms is larger than that for the same type.

本文研究了Rh_2(OAc)_4配合物在14种非水溶剂中的电子吸收光谱和氧化还原行为。在弱σ-给电子配位体(二氯甲烷、二氯乙烷、丙烯碳酸脂、丙酮、四氢呋喃、N,N-二甲基甲酰胺、丁腈、乙腈、苯乙腈和硝基甲烷)情况下,Rh_2(OAc)_4同其形成溶剂化轴向配合物的氧化电位基本不变。然而,当强σ-给电子配体(吡啶、二甲基亚砜、亚磷酸三乙酯和三苯基膦)与Rh_2(OAc)_4形成轴向配合物时,产物的氧化电位明显地向阴极方向移动。用两种不同的电子构型解释了电化学数据以及Rh_2(OAc)_4轴向配合物的中性分子和阳离子游离基电子吸收光谱特征。Rh_2(OAc)_4同弱σ-给电子配体形成轴向配合物的最高占据分子轨道是δ_(RhRh)~*(不参与轴向配位作用);而它同强σ-给电子配体形成轴向配合物的最高占据分子轨道为σ_(RhRh-L)~*。后者产生电子吸收光谱带ν_1和电化学氧化时的电子均来源于同一σ_(RhRh-L)轨道。而前者ν_1吸收带(π_(RhRh)~*→σ_(RhRh)~*)由π_(RhRh)~*轨道中的电子产生,电化学氧化时的电子来源于最高占据轨道δ~(RhRh)~*。两者显然不同。14种溶剂给电子配位...

本文研究了Rh_2(OAc)_4配合物在14种非水溶剂中的电子吸收光谱和氧化还原行为。在弱σ-给电子配位体(二氯甲烷、二氯乙烷、丙烯碳酸脂、丙酮、四氢呋喃、N,N-二甲基甲酰胺、丁腈、乙腈、苯乙腈和硝基甲烷)情况下,Rh_2(OAc)_4同其形成溶剂化轴向配合物的氧化电位基本不变。然而,当强σ-给电子配体(吡啶、二甲基亚砜、亚磷酸三乙酯和三苯基膦)与Rh_2(OAc)_4形成轴向配合物时,产物的氧化电位明显地向阴极方向移动。用两种不同的电子构型解释了电化学数据以及Rh_2(OAc)_4轴向配合物的中性分子和阳离子游离基电子吸收光谱特征。Rh_2(OAc)_4同弱σ-给电子配体形成轴向配合物的最高占据分子轨道是δ_(RhRh)~*(不参与轴向配位作用);而它同强σ-给电子配体形成轴向配合物的最高占据分子轨道为σ_(RhRh-L)~*。后者产生电子吸收光谱带ν_1和电化学氧化时的电子均来源于同一σ_(RhRh-L)轨道。而前者ν_1吸收带(π_(RhRh)~*→σ_(RhRh)~*)由π_(RhRh)~*轨道中的电子产生,电化学氧化时的电子来源于最高占据轨道δ~(RhRh)~*。两者显然不同。14种溶剂给电子配位能力有如下顺序:二氯甲烷~二氯乙烷<丙烯碳酸脂<丙酮~四氢呋喃

A new species of the genus Asterococcus Borchsenius was found in Kunming, YunnanProvince. The adult female and first instar are described and illustrated. The typic speci-mens of the new species are kept in the Collections of the Department of Plant Protection,Shandong Agricultural University. Asterococcus oblatus Xue et Zhang, sp. nov. (fig. 1~2) The new species is similar to Asterococcus schimae, the distinguished characters are asfollows: Adult femals: (1) Developed female tests are flat globose, top...

A new species of the genus Asterococcus Borchsenius was found in Kunming, YunnanProvince. The adult female and first instar are described and illustrated. The typic speci-mens of the new species are kept in the Collections of the Department of Plant Protection,Shandong Agricultural University. Asterococcus oblatus Xue et Zhang, sp. nov. (fig. 1~2) The new species is similar to Asterococcus schimae, the distinguished characters are asfollows: Adult femals: (1) Developed female tests are flat globose, top centre is concave. (2)Dorsal smaller 8-shaped pores are more and spaced throughout cephalothorax and ante-rior abdominal segments. (3) On the dorsal posterior abdominal segments, the large8-shaped pores are arranged in 2 transversal bands. The first band is in width of4~8 pores, with wavy posterior margin. Some small 8-shaped pores scatter between them. First instar: In each submarginal row of 8-shaped pores there are two close 8-shapedpores just on the segment on which the sixth 8-shaped pore of marginal row is located. Holotype, 1♀, Poratype, 42♀♀, 100 first instars, on Michelis fuscata, KunmingYunnan, 1987-Ⅶ, 1988-Ⅳ.

本文记述了采自云南昆明链壶蚧属Asterococcus Borchsenius一新种Asterococcus oblatus Xue et Zhang,文中对其雌成虫和一龄若虫形态特征进行了详细描述和图示。

 
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