卡环

The metal catalyst complex has an N-heterocyclic carbene ligand, and thus, is excellent in thermal stability and reactivity.

所述金属催化剂配合物含有N-杂环卡宾配位体，因此，其具有极好的热稳定性和反应性。

Lactam was gained by the Staudinger reaction of imine and olefineketone in the presence of N-heterocyclic carbene catalyst.

以N-杂环卡宾催化剂1催化亚胺与烯酮之间的Staudinger反应，得到相应的β-内酰胺。

Because of special stereostructure and property, N-heterocyclic carbene complexes have been diffusely applied in organic chemistry and organic sythesis during the past few years.

N-杂环卡宾化合物具有特殊的结构和性质，近年来在有机化学及有机合成反应中得到了广泛的应用，并已经成功地运用在有机催化反应中。

The experimental results indicated that the two N-heterocyclic carbene palladium complexes with coordination of pyridine could catalyze the coupling of bromobenze and gave yield of 80%.

结果表明，这两个含吡啶配位的N-杂环卡宾钯络合物，对溴苯与丙二腈的交叉偶联，产率可达80％。

It can be seen from the above initial results, the two N-heterocyclic carbene palladium complexes should participate in the catalytic reaction or at least did partly.

初步结果可以得出，这两种N-杂环卡宾钯络合物参与或部分参与了卤代芳烃的催化偶联过程，对产物的顺利生成有某种程度的贡献。

Three kinds of novel N-heterocyclic carbene allyl palladium complexes (Catalyst 1, 2 and 3) were synthesized. Norbornene polymerizations were carried out using three catalysts activated with methylaluminoxane in toluene.

研究了以3种N-杂环卡宾螯合烯丙基钯配合物1、2和3为催化剂，甲苯为溶剂，甲基铝氧烷为助催化剂催化降冰片烯的聚合。

The mechanism of cycloaddition reaction between singlet carbene and Formylchloride has been investigated by using ab initio MO theory of the restricted Hartree-Fock at HF/3-21G~* level.

用限制的H artree-Fock从头算分子轨道理论研究了单重态卡宾与甲酰氯环加成反应的机理。

This brings the number of Saturnian ring arcs with embedded moonlets found by Cassini to three.

这一发现使卡西尼飞船发现的带有小卫星的土星环弧数量达到3个。

Cassini caught this glimpse of Hyperion as the moon tumbled chaotically in its orbit around Saturn.

卡西尼探测器拍到了在环土星轨道上翻滚不已的土卫七-Hyperion。

Water,Hydrogenated Polyisobutene,Cyclohexasiloxane,Glycerin,Alcohol Denat,Cetearyl Alcohol,PEG-20,Petrolatum,C13-14 Isoparaffin,Zea Mays Oil,Tocopheryl Acetate,Hydroxypropyl Tetrahydropyrantriol,Hydrolyzed Soy Protein,CI 14700/Red 4,Phenoxyethanol,Adenosine,PEG-100 Stearate,Ethylparaben,Triethanolamine,Polyacrylamide,Malus Domestica Stem Cell Culture,CI 19140/Yellow 5,Dimethyl Isosorbide,Dimethicone,Dimethiconol,Limonene,Xanthan Gum,Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate,Linalool,2-Oleamido-1,3-Octadecanediol,Capryloyl Salicylic Acid,Acrylates/C10-30 Alkyl Acrylate Crosspolymer,Passiflora Edulis Seed Oil,Disodium EDTA,Castanea Sativa Seed Extract,Butyrospermum Parkii· Cetyl Alcohol,Butylene Glycol,Octyldodecanol,Cetearyl Glucoside,Methylparaben,Citronellol,Prunus Armeniaca Kernel Oil,Laureth-7,Coumarin,Oryza Sativa Bran Oil,Glyceryl Stearate,Fragrance

水，甘油，氢化聚异丁烯，液体石蜡/矿油，丁二醇，环己硅氧烷，鲸蜡醇，甘油硬脂酸酯，棕榈油，玉米胚芽油，PEG-100硬脂酸酯，白蜂蜡/蜂蜡，肉豆蔻醇肉豆蔻酸酯，石蜡，香精，腺苷，苧烯，山梨醇，CI 14700，CI 19140，稻糠油，杏仁油，EDTA二钠，羟丙基四氢吡喃三醇，苯氧乙醇，聚乙二醇-14M，异十六烷，氢氧化钠，辛基十二醇，季戊四醇四（双-t-丁基羟基氢化肉桂酸）酯，山梨坦三硬脂酸酯，水解大豆蛋白，卡波姆，鸡蛋果籽油，苹果果实提取物，欧洲栗籽提取物，异山梨醇酐二甲醚，聚山梨醇酯-80，辛酰水杨酸，2-油酰胺基-1，3-十八烷二醇，氯苯甘醚，麦芽糖醇，香豆素，黄原胶，微晶蜡，丙烯酰胺/丙烯酰基二甲基牛磺酸钠共聚物，丙二醇，芳樟醇，香茅醇，玉米油，羟苯丙酯，羟苯甲酯

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。