查询词典 ruthenium

Deuterium-labeling experiments indicate that the catalytically active species is ruthenium-π-alkyne rather than ruthenium vinylidene species.

Deuterium标记实验表明，催化活性物种是钌-π-炔而不是钌偏物种。

In diluted H2SO4 and heating at 85℃, the discoloration reaction of xylene cyanol FF oxidized by potassium periodate can be greatly catalyzed by ruthenium. According to this phenomenon, a new method for catalytic kinetic spectrophotometric determination of ruthenium has been developed.

在稀H2SO4介质中及85℃的加热条件下，Ru对高碘酸钾氧化二甲苯蓝FF褪色反应具有显著的催化作用，据此建立了催化动力学光度法测定痕量钌的新方法。

Ruthenium molybdenum alloy or a superconducting material, ruthenium mainly in the extraction by-product of platinum when you get .

钌钼合金还是一种超导材料，钌主要是在提取铂时得到的副产品。

The analytic method of determining the content of ruthenium in ruthenium trichloride by hydrogen reduction gravimetric method were studied systematically.

系统地研究了通氢还原重量法测定三氯化钌中钌含量的分析方法。

It isconfirmed by ~1H NMR,~(13)C NMR and X-ray crystallographic analysis that complexes 60-63are monopyridine complexes and show distorted square pyramid geometries; complexes 64and 65 are bispyridine complexes and show pseudo-octahedral geometries, where twopyridine ligands are in cis arrangement and trans to the NHC and the benzylidene ligandrespectively, the bond length between ruthenium and pyridine ligand trans to the benzylideneligand is 16 pm longer than the bond length between ruthenium and pyridine ligand trans tothe NHC ligand.

1H NMR、~(13)C NMR及X射线单晶衍射分析证明，配合物60-63是单吡啶衍生物配位的钌卡宾配合物，具有变形的四方锥构型；配合物64、65为双吡啶衍生物配位的钌卡宾配合物，具有变形的八面体构型，其中两个顺式配位的吡啶衍生物分别处于氮杂环卡宾和苯亚甲基的反位，处于苯亚甲基反位的吡啶衍生物对应的钌-氮键长要比处于氮杂环卡宾反位的长出16 pm。

New ruthenium benzylidene complexes benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-diphenylphosphinoacetato] monochlororuthenium (46), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene][k~2-3-propionato]monochlororuthenium (47), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-2-benzonato]monochlororuthenium (48) featured five-membered, flexible six-membered and rigidsix-membered chelating rings respectively are prepared by reactions of complex 41 withcorresponding sodium phosphino-carboxylates. It is confirmed by X-ray crystallographicanalysis that the coordination geometries of complexes 46 and 47 are distorted squarepyramids with phosphino-carboxylate ligands chelating to ruthenium, and the coordinationbetween ruthenium and benzylidene ligands are strengthened.

用二苯基瞵乙酸盐、二苯基膦丙酸盐、二苯基膦苯甲酸盐与钌卡宾配合物41反应合成了三个新的钌卡宾配合物：含五元膦-氧螯合环的1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基--一氯合钌(46)、含六元柔性膦-氧螯合环的[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基--一氯合钌(47)及含六元刚性膦-氧螯合环的[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基]-苯亚甲基--一氯合钌(48)。X射线单晶衍射分析证明，配合物46、47都为变形的四方锥构型，膦-氧与钌形成螯合配位，其中苯亚甲基与钌的配位得以加强。

By pretreatment with ruthenium red (RR, 100 1 μmol/L), an antagonist of vanilloid receptor subtype 1 (VR1), the above effects of CAP on carotid baroreflex were abolished.

2用香草酸受体亚型(vanilloid receptor subtype 1， VR1)阻断剂钌红(ruthenium red， 100 μmol/L)预处理后，CAP的上述反射效应即被阻断。

SANG induced Ca2+ release from the actively loaded SR vesicles was blocked by ruthenium red and dithiothreitol, consistent with the ryanodine receptor as the site of SANG action.

此外，血根碱诱导钙离子由肌浆网释放之作用会被ruthenium red以及DTT所抑制，综合上述结果显示，血根碱之作用部位是位於ryanodine-受体。

The electrochemical quartz crystal microbalance, cyclic voltammetry, and SEM were used to study the growth mechanism of the hybrid of ruthenium oxide, ruthenium oxide/hexachloroiridate(RuOx /IrCl6), platinum, and ruthenium oxide/hexachloroiridate/platinum (RuOx/IrCl62-/Pt) hybrid films.

本实验使用电化学石英晶体微天平、扫描式电子显微仪及循环伏安法来研究各薄膜的沉积与薄膜成长之机制及电化学特性。

The cyclic voltammograms recorded the deposition of the ruthenium oxide, Ruthenium oxide/hexachloroiridate(RuOx /IrCl6), platinum films have been prepared, and ruthenium oxide/hexachloroiridate/platinum(RuOx /IrCl62-/Pt) hybrid films directly preparation from the mixing of Ru3+, IrCl62–and PtCl62– ions from the acidic aqueous solutions.

钌氧化物，钌氧化物/铱氯化物(RuOx /IrCl6)，铂，钌氧化物/铂/铱氯化物(RuOx /IrCl62-/Pt)薄膜，在酸性溶液中可经由混合Ru3+、IrCl62–和 PtCl62–或单独各别透过循环伏安法所制备而成。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。