查询词典 ir
- 与 ir 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Solid complexes of rare earth picrates with the ligand 2,6-bis(benzimidazol-2-yl)pyridine have been synthesized and characterized by elemental analysis, IR and electronic spectra. The crystal and molecular structures of the complex [CeL22]·(CH3OH)3 have been determined by single crystal X-ray diffraction.
合成了稀土苦味酸盐与配体2,6-二(2-苯并咪唑基)吡啶的配合物,通过元素分析、红外光谱及电子光谱对配体及配合物进行了表征,并用X射线单晶衍射测定了配合物[CeL22]·(CH3OH)3的晶体结构。
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Their extraction properties have been studied by metal picrates liquid-liquid extraction and the results show:By using three thio-heterocyclic compounds, twelve novel derivatives of thioalkoxycalix[4]arenes on the lower rim have been synthesized and structurally characterized by 1H NMR、13C NMR、IR and MS.
本文采用三种巯基杂环化合物对杯芳烃下沿进行修饰,得到了下沿含有杂环硫烷氧基的杯芳烃系类系列衍生物,并利用~1H NMR、~(13)C NMR、IR和MS对所合成的十二个未见文献报道的新化合物进行了结构表征。
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Analyses of spectroscopic and crystal structural data of iridium complexesIr(PR3)Cl and the Vaska's complex reveal that NHC ligands and phosphines have a similar donating ability toward Ir metal center.
并且从光谱分析及晶体结构数据发现[Ir(PR3)Cl]的错合物与Vaska's 错合物相当类似。因此,我们推论其含氮杂环碳烯与膦化物在ㄧ价铱金属上有相似的配位能力。
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The coordinated COD of 3 and 4 can be replaced by carbon monoxide to yield the corresponding dicarbonyl species [(C,N-pyN^C-R) M2]BF4 (14, M= Rh; 15, M= Ir). Ligand substitution of 11a by phosphines and azide causes the de-complexation of pyridinyl-nitrogen donor to generate the corresponding carbene rhodium complexes [(C-pyN^C-Mes)RhPR3] (17a, R = Ph, 17b, R = Et) and [RhN3] (19), respectively, indicating the labile nature of steric-hindered pyridinyl-nitrogen donor.
螯合错合物的吡啶配位,可以容易被σ-予体,如卤离子、叠氮阴离子、膦试剂,置换;但是铑与铱金属螫合物与π-酸试剂,如一氧化碳、异腈,则发生COD被置的产物14a与16;与三甲基亚磷酸酯反应时,COD及吡啶均会被取代而得到单芽的三铑-碳烯错合物18;双膦化合物则会取代铑金属上全部的配位基。
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The IR results indicate that the surface of these phosphide catalysts is partiallysulfided while the structure of the phosphides is retained under HDS reactionconditions.
CO 探针的红外光谱表明,在HDS 反应过程中,磷化物催化剂的体相结构可基本保持,但催化剂表面被部分硫化,形成了MoP_xS_y或NiP_xS_y活性相。
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Various time of permed hair which storage in air were treated by NBD-Cl, and then, the hair surface was investigated with FT-IR.
本文对冷烫后空气中放置不同时间的发样以NBD-Cl溶液处理,头发表面的红外光谱以ATR-FT-IR表征。
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The techniques for IR percutaneous K-wire fragment and percutaneous screw placement evolved over the duration of the study. Instrumentation was placed in 126 pedicles in 25 patients.
随着研究的进行,透视下经皮短克氏针和经皮螺钉的植入的技巧随之提高。25例病人,126个椎弓根内植入了器械。
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The characterization of ESR and IR spectroscopy shows that hydroxyl radicals and peroxide species are important intermediates in these oxidations.
同时利用电子自旋共振、红外等表征手段对催化反应的机理和反应路径进行了讨论,羟基自由基和铜的过氧物种被认为是催化反应的重要中间体。
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The relation between crystalline RE Carbonates precipitated from various types of leaching liquor of weathered leach-deposited RE ore and its RE composition has been studied by chemical analysis, XRD,IR spectrograph,SEM,TGA and DTA, The results are as follows: The quality of crystalline RE carbonates is better than one of RE oxalates.
用质量分析、X射线衍射图谱、红外光谱、电镜照片及差热分析等分析手段,研究了从不同类型风化壳淋积型稀土矿中得到的晶型碳酸稀土与稀土配分的关系。
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DO6O of XRD analysis and skeletal vibration of IR spectrum reveals that nickel ions were located at the centers of octahedra.
CLS在1000℃左右层结构瓦解,出现一个放热峰,而NiSMM上不存在这一放热峰,表明NiSMM的层结构到1000℃时也未被破坏。
- 相关中文对照歌词
- Violeta (Fricote)
- Calentándote
- Que La Dejen Ir Al Baile Sola
- Musica Killa
- Pode Ir
- Déjame Ir
- Vueltas En El Aire
- First Time
- Deixo Você Ir
- Me Gustas Tu
- 推荐网络例句
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The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.
本文主要开展了以下几个方面的工作: 1 回顾了直线电机发展历史,电机的驱动技术演变,特别是针对直线电机的驱动,简要介绍了直线感应电机驱动电梯的优点和不同结构类型,对传统的v/f控制,基于空间矢量法的v/f控制,矢量控制,和基于电压空间矢量的直接转矩控制进行了比较,确立了本课题的研究主题:直线感应电机双边直推式驱动电梯的全数字变频控制。
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The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.
文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用,并详细阐述了注浆技术的施工流程。
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I knew nor shyness nor fear, my life was boisterous.
我不懂得羞怯和惧怕,我的