1) Ir film
Ir膜
1.
Single layer Ir films of different thicknesses were fabricated on those substrates by ion beam sputtering technique(IBS).
根据吸收材料基底上单层金属膜数学计算模型,对不同基片上各种厚度的Ir膜真空紫外反射率进行了优化计算。
2) Iridium-carbon cluster film
Ir/C簇膜
3) iridium
[英][ɪ'rɪdiəm] [美][ɪ'rɪdɪəm]
Ir
1.
Interdiffusion problem of iridium/rhenium was studied during preparation of iridium/rhenium thruster.
在电子探针测量的基础上,根据扩散理论和Ir-Re相图数据,建立了一个全新的Ir/Re两相扩散模型。
2.
The superficial characteristics of iridium-doped gold jewelry and the occurrence and the chemical compositions of doped material in gold jewelry have been investigated by using optical microscopy and X-ray fluorescence spectrum analysis.
采用显微镜和X射线荧光光谱分析方法对掺Ir黄金饰品的外观特征、掺入物的化学成分、存在形式等进行了研究。
3.
The progress in the research of iridium-coated rhenium thruster nozzle prepared by chemical vapor deposition(CVD) is reviewed in this paper.
Re/Ir发动机是美国研制成功的应用于空间飞行器的第三代高性能发动机。
4) IR cut-off filter
IR截止滤光膜系
1.
The IR cut-off filter of A|[1.
透射曲线表明:这两种带通滤光膜系对于不同波长的光有着很好的选择性透射,IR截止滤光膜系能够使波长大于1120nm的大部分光在到达电池表面前就被反射,UV截止滤光膜系能够使得波长小于350nm的光在到达电池表面前几乎全部被反射掉。
5) IR spectra
IR谱
1.
The vibrational frequencies,the IR spectra and the thermodynamics properties in different temperatures of the system were obtained on the basis of vibrational analysis, the relations of the effects of temperatures on thermodynamics properties were also obtained.
用B3LYP法,在6-31G(d,p)基组水平上计算4,6-双-(5-氨基-3-硝基-1,2,4-三唑-1-基)-5-硝基嘧啶(DANTNP)的性能,得其稳定的几何构型和键级;在振动分析的基础上求得体系的振动频率、IR谱及不同温度的热力学性质及温度对热力学性能影响的关系式。
2.
The vibrational frequencies,the IR spectra and the thermodynamics properties in different temperatures of the system were obtained on the basis of vibrational analysis,the relations of the effects of temperatures on thermodynamics properties were also obtained.
用B3LYP法,在6-31G(d,p)基组水平上计算二硝基吡唑并吡唑(DNPP)的性能,得其稳定的几何构型、分子轨道及键级;在振动分析的基础上求得体系的振动频率、IR谱及不同温度下的热力学性质,并得温度对热力学性能影响的关系式;用Monte-Carlo方法从理论上计算密度,运用Kamlet公式预测爆速。
3.
The full geometry optimization of N_(20)and IR spectra are performed using nonlocal density functional theory (DFT) method.
基于简谐振动分析求得IR谱频率,运用统计热力学方法,求得其在298～1500K的热力学性质C0p,m、S0m和H0m,还比较了N20分子和富勒烯的分子静电势图。
6) Ir powder
Ir粉
1.
A novel microwave closed digestion method for treatment of difficultly dissolved Rh,Ir powders and their alloys,metallurgy material,reduced activating placers was developed.
提出了微波密闭消解难分解Rh、Ir粉及其合金、冶金物料、碎化砂矿的新方法;对比了它们的微波密闭消解和传统分(消)解法的条件;分析了消解后Rh、Ir、Pt、Pd和Au的含量。
补充资料：IR
聚异戊二烯橡胶是由异戊二烯单体经溶液聚合而得，简称IR。由于异戊二烯分子中含有两个双键，在不同条件下聚合时, 会产生结构不同的聚合物异构体，结构十分复杂，作为橡胶主要有三种结 构：顺式-1，4-聚异戊二烯，反式-1，4-聚异戊二烯, 3,4聚异戊二烯。戊二烯的分子量见为(32-62)×104。玻璃化温度因结构不同而异，钛系异戊橡胶的Tg为-70～-68℃，锂系异戊橡胶的Tg为-69～-66℃．反式1，4-聚异戊二烯的Tg为-60～-53℃。聚异戊二烯橡胶的结构与天然橡胶类似，故主要的物理机械性能接近天然橡胶，但因二者在微观结构、分子结构及极性基团等方面存在着一定差异，致使在物理机械性能和化学性质上呈现明显差别。聚异戊二烯橡胶的生胶强度显著低于天然橡胶，另外，聚异戊二烯的粘接性、弹性模量、撕裂强度、高温强度、耐磨性、疲劳寿命都不如天然橡胶。聚异戊二烯橡胶具有较高的弹性、较好的耐寒性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条