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  tris (
     The Chemical Modeling of Carbonic Anhydrase Synthesis and Characterization of Tris(pyrazoly)hydroborato Metal Complexes η 3 HB(3 Ar 5 Mepz) 3 MX (M=Ni, Cu, Zn, Cd; Ar=2 thie, Ph; X=Cl, NO 3)
     碳酸酐酶的化学模拟——含三(取代吡唑)硼氢根的金属配合物[η~3-HB(3-Ar-5-Mepz)_3]MX(M=Ni,Cu,Zn,Cd;Ar=2'-thie,Ph;X=Cl,NO_3)的合成和表征
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     THE PREPARATION OF 2, 4, 6--TRIS(2', 4'--DIHYDROXYPHENYL)--1, 3, 5--TRIAZINE BY SOLID PHASE REACTION
     固相法合成2,4,6,-三(2’,4’-二羟基苯基)-1,3,5-三嗪
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     STUDIES ON SYNTHESIS OF 2,4,6 TRIS(2 ALLYLPHENOXY) 1,3,5 TRIAZINE IN WATER
     以水为介质合成2,4,6-三(2-烯丙基苯氧基)-1,3,5-三嗪的研究
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     tris(2,4,6-trimethylphenolate)s rare earth complexes (Ln(0TMP)_3) were applied to the polymerization of CL.
     将三(2,4,6-三甲基苯氧基)稀土配合物(Ln(OTMP)_3)用于CL的开环聚合。
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     A new binuclear Cu(Ⅱ) complex, {[(TPA)Cu(μ-Cl)] 2}(ClO 4) 2·H 2O,where TPA=tris(2-pyridylmethyl) amine, has been prepared and characterized by X-ray single crystal analysis.
     合成了一种新型的氯桥联三 (2 吡啶甲基 )胺 (TPA)双核铜配合物 { [(TPA)Cu(μ Cl) ]2 } (ClO4 ) 2 H2 O ,并通过X 射线衍射测得其晶体结构 .
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     Synthesis and Crystal Structure of Cyclopentylindene Rare Earth Complex (C_5H_9C_9H_6)_3SmCl~-Li~+(THF)_4
     三(环戊基茚基)钐配合物(C_5H_9C_9H_6)_3SmCl~-Li~+(THF)_4的合成与晶体结构
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     Study on spectrophotometric determination of Fe(Ⅱ) and Fe(Ⅲ) with 2,4,6-tri(2′-pyridyl)-1,3,5-triazine
     2,4,6-三(2′-吡啶基)-1,3,5-三嗪分光光度法测定Fe(Ⅱ)和Fe(Ⅲ)的研究
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     The Synthesis and Crystal Structure of Tri(α-Dithionaphthoato) Chromium, Cr(α-C10H7CS2)3·1/2 CH2C12
     三(α-萘荒酸)合铬(Ⅲ)Cr(α-C_(10)H_7CS_2)_3.1/2CH_2Cl_2的合成与晶体结构
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     Improvement in the synthesis of N,N′,N″-tri(isopropyl)-1,4,7-triazacyclononane
     N,N′,N″-三(异丙基)-1,4,7-三氮杂环壬烷的合成改进
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     Improve of synthesizing 2,4,6-tri(2,4-dihydroxylbenzenyl)-1,3,5-triazine
     2,4,6-三(2,4-二羟基苯基)-1,3,5-三嗪的合成及结构表征
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     三.
     .
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     Three.
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     3) T.
     ()T.
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     The third element is causal relationship.
     ()因果关系。
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  tris (
Hyperbranched poly(aryl ether ketone)s were prepared by polymerization of hydroquinone (A2) and 1,3,5-tris[4-(4-fluorobenzoyl)phenoxy]benzene (B3).
      
A convenient method for the synthesis of tris(2,2'-bipyridyl) dichlororuthenium(II) hexahydrate-doped amino-modified double-layer silica nanoparticles is presented in this paper.
      
Changes in the Antigenic Properties of Azospirillum brasilense Lipopolysaccharide, Induced by Addition of Tris-(hydroxymethyl)-a
      
Addition of tris-(hydroxymethyl)-aminomethane (Tris) into the culture medium of Azospirillum brasilense sp245 changes the antigenic properties of the lipopolysaccharide (LPS) isolated from the external membrane of the bacteria.
      
LPS preparations from the bacteria grown in the presence of Tris have been analyzed by immunodiffusion, using monospecific antibodies.
      
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Emission and absorption band spectra of sulphur dioxide were studied in the region between 2600 to 2000 A.U. A new system of emission bands (about 150 bands) was found. When these bands were compared with the absorption bands and Mr. Lotmar's fluorescent bands, coincidences were found which amount to 40% and 50% of the total number of absorption and fluorescent bands respectively. These agreements and the very different structure as compared with the SO bands recorded on the same plate made it very probable...

Emission and absorption band spectra of sulphur dioxide were studied in the region between 2600 to 2000 A.U. A new system of emission bands (about 150 bands) was found. When these bands were compared with the absorption bands and Mr. Lotmar's fluorescent bands, coincidences were found which amount to 40% and 50% of the total number of absorption and fluorescent bands respectively. These agreements and the very different structure as compared with the SO bands recorded on the same plate made it very probable that SO2, is the emitter of these emission bands. Evidences were also found that these emission bands arc not the known bands of O2, Oa+ and S2 in the same region. As a further support a vibra-tional level scheme was worked out, using the three fundamental frequencies of the normal SO2, molecule (1150, 525, and 1360 cm-1) in the lower state and 750 and 350 cm-1 (possible also 1110 cm-1) as the frequencies in the upper state. This scheme accounts for 1Q% of the absorption bands, 70% of the emission bands and a small fraction of the fluorescent bands. While the scheme may not be the final due to the complexity of the vibrational formula, one feels fair, as far as the present evidence goes, to conclude that the emission bands observed are actually emitted by the SO2, molecules and that they can be fitted by a vibrational level scheme based on the three known fundamental frequencies of the normal state.

此文目的在报告二氧化硫气体分子之吸收光谱及发射光谱(emission speetrun)之研究光谱区域约在2000A与2600A间有一新组发射光带(band)发现。数约百五十在吸收光带中有百分之四十之光带与此发射光带附合。在Lotmar先生之弗光光谱(fluorescent speetrum)中,有百分之五十之光带与此发射光带附合并此所得之发射光带之结构与SO之光带显有区别,令人设信此发射光带为SO_2分子所发者。在另一方面,找到证据,所得之发射光带亦非0_2,O_2~+及S_2诸分子之光谱为求更进一步之证实,试以SO_2之基本振动数(fundamental frequency)1150,525及1360cm~(-1)为能力阶梯之差而作一常态(normal state)下之能力阶梯。再用750,350cm~(-1)(或1110亦用)为分子在激态(excited state)时之振动数,而作一激态下之能力阶梯所得之能力图(energydiagram)可说明吸收光带之70%,发射光带之70%及弗光光带之一小部份,此能力图并不完全,故不能望其为最终者。以原子分子情形复杂,完全正确之分析,...

此文目的在报告二氧化硫气体分子之吸收光谱及发射光谱(emission speetrun)之研究光谱区域约在2000A与2600A间有一新组发射光带(band)发现。数约百五十在吸收光带中有百分之四十之光带与此发射光带附合。在Lotmar先生之弗光光谱(fluorescent speetrum)中,有百分之五十之光带与此发射光带附合并此所得之发射光带之结构与SO之光带显有区别,令人设信此发射光带为SO_2分子所发者。在另一方面,找到证据,所得之发射光带亦非0_2,O_2~+及S_2诸分子之光谱为求更进一步之证实,试以SO_2之基本振动数(fundamental frequency)1150,525及1360cm~(-1)为能力阶梯之差而作一常态(normal state)下之能力阶梯。再用750,350cm~(-1)(或1110亦用)为分子在激态(excited state)时之振动数,而作一激态下之能力阶梯所得之能力图(energydiagram)可说明吸收光带之70%,发射光带之70%及弗光光带之一小部份,此能力图并不完全,故不能望其为最终者。以原子分子情形复杂,完全正确之分析,尚有待焉。之 能 力唯协所得之能 力 圆 山。。。,。w山。…。。。。\可。Z5t 叫 吸收 几 卅之70九传 时 光排 上 7,%及 比 儿 儿 卅上 一 个 部 份 此 能 力 闲 伙 不 正 全;故个能 望IC iX侦相 许 nt原一户 外 广似形 应 输,完全 正雕之分 析。尚有

1. The Mountain region of Upper Hwangho.

(一)南征之决定及目的(二)循化黄河南北之大山()大夏河上游(四)洮河择源区探索(五)陇蜀界上之南木 寺(六)江河分水高原一角黄河入岷说

The dielectrie constants of toluene, carbon bisulphide, normal pentane, normal hexane, ethyl ether and iso-amyl alcohol were measured by a capacity bridge using a specially constructed liquid condenser at both 30° and 75℃ (22.4℃ only for the last liquid), for frequencies of 600,1000 and 2000 cycles per sec. and under pressures from 1 up to 12,000 kg/cm2. For the first four liquids, the dielectric constant is practically independent of the frequencies

作者用一电容桥及一特制之液体蓄电器以量甲苯,二硫化碳,正戊烷,正己烷,乙醚,及异戊醇之比电容。所用温度为摄氏十及七十五度(异戊醇之温度仅为二十二度四),频率为每秒六百,一千及二千周,压力自一气压高至一万二千气压。前四液之比电容几与所用频率无关。(ε-1)/(ε+2)·1/d,(ε-1)/d及(ε~(1/2))-1/d式中以第一式最近一常数,然压力渐增第一式之值恒随之而渐减,至一万二千气压时(在甲苯为九千五百气压),其减少约数在甲苯及二硫化碳为百分之,在乙醚为百分之八,在异戊醇为百分之十九,显随电矩之增加而增加,至其原因篇中亦略加说明。 篇中图表惠蒙同事朱福炘先生代为抄绘,附誌谢忱。

 
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