查询词典 isonitrile

Objective To investigate the differential diagnosis value of 1H magnetic resonance spectroscopy (1H-MRS) and (superscript 99m)Tc-methoxy isobutyl isonitrile single photon emission computed tomography on postradiotherapy relapse and radionecrosis. Methods 1H-MRS and SPECT were performed in all 35 cases.

目的 探讨质子磁共振波谱(1H-MRS)和99mTc-甲氧基异丁基异腈单光子发射计算机断层显像对脑肿瘤患者放疗后复发与放射性坏死的鉴别诊断作用。

Ugi-4CC(four-component condensation) reaction is one of isonitrile-based MCR＇s(multi-component reactions), which is started with an amine, an aldehyde, a carboxylic acid and an isocyanide, after one-potreaction to produce a compound composed of the whole four starting materials.

Ugi-4CC四组份缩合反应是基于异腈的MCR＇s之中一类，它以异腈、羧酸、醛、胺为原料，可经一罐反应缩合生成由四种起始物共同组成的产物。

Isonitrile is a kind of compounds with highly chemical activity, owning to its special molecular structure.

异腈的特殊分子结构使其具有极高的化学反应性。

The reaction makes full use of the specialty of isonitrile and can be used to build a series of compounds with different structural skeletons by using diverse inputs.

此反应充分利用异腈的特性，通过使用不同的反应物，可用于合成不同结构骨架的系列化合物。

The reaction makes full use of the speciality of isonitrile and can be used to build a series of compounds with different structural skeletons by using diverse inputs.

该反应充分利用异腈的特性，通过选择合适的原料，极具变化地、简便、高收率地构建了一系列不同骨架的化合物。

It was verified that photoinducedisomerization of isonitrile compound in condensed phase followed a free radical chainmechanism at room temperature.

再者，作者针对一系列脂肪烃基异腈化合物室温下在凝聚相中的光诱导异构化反应机理进行了探讨和论证，通过自旋捕捉ESR实验和GC产物分析证明室温下液相中异腈化合物的可见光诱导异构化反应遵循自由基链反应机制。

An isonitrile ligand, 2 methyl cyclohexylisonitrile is synthesized and a copper salt Cu(I 4BF 4 of this ligand is also prepared. The isonitrile and its copper salt are characterized by IR and elemental analysis.

合成了一种新的异腈配体 2 甲基环己基异腈及其铜络盐，并经红外光谱和元素分析等表征予以确认。

Gated ~(99)Tc~m-hexakis-2-methoxy-isobutyl isonitrile /~(18)F-fluorodeoxyglucose single photon emission tomography with dual isotope simultaneous acquisition can provide the information about left ventricular function, myocardial perfusion and metabolism simultaneously.

~(99)Tc~m-甲氧基异丁基异腈和~(18)F-脱氧葡萄糖双核素同时采集单光子计算机断层显像可以一次显像获得左心室心肌的血流灌注和葡萄糖代谢的情况，如果加上门控采集，可以同时了解左心室功能的信息。

ABSTRACT Gated 〓Tc〓-hexakis-2-methoxy-isobutyl isonitrile /〓F-fluorodeoxyglucose single photon emission tomography with dual isotope simultaneous acquisition can provide the information about left ventricular function, myocardial perfusion and metabolism simultaneously.

Tc〓-甲氧基异丁基异腈和〓F-脱氧葡萄糖双核素同时采集单光子计算机断层显像可以一次显像获得左心室心肌的血流灌注和葡萄糖代谢的情况，如果加上门控采集，可以同时了解左心室功能的信息。

For this reason, theC〓/ donor PET system in aqueous medium will serve as the high efficient modelsystem to simulate the natural photosynthetic system.3 Photolysis and photooxidation of N-phenyl naphthylamines and photoinducedisomerization of alkyl isonitrile Reaction intermediates produced during the photolysis and photooxidation of N-phenyl naphthylamines were determined by spin trapping-ESR technique.

由于包容物导致的空间距离作用和水分子对离子对电荷分离所具有的溶剂化稳定作用，水相体系中C〓阴离子寿命相对于有机均相体系C〓阴离子的寿命成数量级地显著增长。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。