查询词典 iridium

Iridium probably does not occur uncombined in nature but it is found in natural alloys with other noble metals.

自然界中可能不存在纯铱，通常和其它贵金属共生于天然合金中。

Hotel located on an international golf course and near a centre of balneotherapy, a tenniscourt, a heated outdoor swimming pool,...

结束一天的会议或观光后，回到酒店的Iridium餐厅、酒吧和休息厅享用美味的法式佳肴和当地葡萄酒。

OBJECTIVE The aims of this study are to observe the effect and acute side-effects of 192-Iridium high dose rate intrabronchial brachytherapy combined with bronchial artery infusion chemotherapy and radiotherapy on non-small cell lung cancer, and also to assess the clinical value of the treatment of HDR-IBB combined with BAI and RT, and to explore a new method of combined treatment for inoperable non-small cell lung cancer MATERIALS AND METHODS Between May 1998 and Octob...

中文摘要：一、目的：本课题观察了~(192)Ir高剂量率支气管腔内放疗对支气管动脉灌注化疗和外照射治疗非小细胞肺癌疗效的影响和副作用，初步研究探讨联合治疗的临床价值，目的在于为不能手术或不愿手术的局部中晚期非小细胞肺癌患者，探索一种新的综合治疗方法。

The kinetics of iridium catalyzed oxidation of isobutyl alcohol by cerium in aqueous sulphuric acid medium has been investigated by titrimetric technique in the temperature range of 25~40℃.

在酸性介质中用氧化还原滴定法研究了鈰离子在痕量铱离子催化作用下，於25~40℃区间氧化异丁醇的反应动力学。

Xuzhou Solid German hydraulic Machinery Co., Ltd. is Taiwan Iridium pressure Seiki Co., Ltd. of East China branch offices, production base located in Foshan Guangdong (Foshan Kangli Tatsu Machinery Co., Ltd.).

苏州固德液压机械有限公司是台湾铱压精机股份有限公司的华东分公司，生产基地设在广东佛山（佛山康力达机械有限公司）。

Single-axis acoustic levitation of the heaviest solid (iridium, p = 22.6g/cm3) and liquid (mercury, p = 13.6g/cm3) on the earth is achieved by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the self-developed single-axis acoustic levitator.

对自行研制的单轴式声悬浮器进行了优化设计，极大地提高了悬浮力和悬浮稳定性，首次悬浮起自然界中密度最大的固体铱(I-r，密度22.6g／cm~3)和液体汞(Hg，密度13.6g／cm~3)。

The heaviest solid (iridium, density r s = 22.6g/cm3, size f 4mm) and liquid (mercury, density r s = 13.6g/cm3, size f 5×2mm ) on the earth is acoustically levitated by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the self-developed single-axis acoustic levitator.

以上述理论为指导，对自行研制的单轴式声悬浮装置进行了优化设计，显著提高了悬浮力和悬浮稳定性，悬浮起自然界中密度最大的固体铱（ Ir ，密度 r s =22.6g/cm3，尺寸 f 4mm ）和液体汞（ Hg ，密度 r s =13.6g/cm3、尺寸 f 5×2mm ）。

The composite of Ir/Re was prepared by chemical vapor deposition first in china. Iridium coatings and rhenium substrates were bonded together metallurgically.

本文结合国家&九五&重点科技攻关课题开展Ir/Re复合材料的制备基础与理论问题的研究工作，为成功制备Ir/Re复合喷管，顺利完成攻关任务提供了必要的技术理论支持。

The molecular designs and synthesis of triarylamine-based picolinic acid derivatives used as ancillary ligands, and their cyclometalated iridium complexes used as red-and green-emitters, as well as optoelectronics properites of these compounds were investigated in order to solve current problems of organic/polymeric electroluminescent materials and devices.

本论文针对目前有机/聚合物电致磷光材料和器件存在的问题，开展了新型三芳胺吡啶羧酸类辅助配体及其红光和绿光环金属铱配合物电致磷光材料的分子设计、合成和光电性能研究，主要包括：(1)设计、合成了三种新型的三芳胺吡啶羧酸类双齿阴离子型辅助配体；(2)以三芳胺吡啶羧酸衍生物作为双齿阴离子型辅助配体，合成得到了两个系列的红光和绿光环金属铱配合物；(3)研究了三芳胺吡啶羧酸类辅助配体分子结构对环金属配合物的紫外吸收和光致发光性能的影响；(4)以环金属配合物为客体，聚芴和恶二唑衍生物为主体，制作了聚合物电磷光器件，研究了含三芳胺吡啶羧酸类辅助配体、环金属配合物客体材料和聚合物主体材料等分子结构对电致发光性能的影响。

A triarylamine-based picolinic acid was synthesized through the Ullmann reaction and Negishi coupling reaction. Using this class of picolinic acid derivative as an auxiliary ligand and 1-phenylisoquinoline as a cyclometalated ligand, a cyclometalated iridium complex was also prepared.

通过Ullmann反应和Negishi偶联反应，合成了一种含三芳胺功能基的吡啶-2-甲酸衍生物；并以此为辅助配体、1-苯基异喹啉为环金属配体，设计合成了一种新型环金属铱配合物。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。