查询词典 ir

In the second part, we used tri-octyl phosphine oxide as a model of TRPO,to study the γ radiolytic behavior of TOPO and its CH solution and the emulsificationphenomenon in the separation processes of radiolytic products. The structures of finalproducts were analyzed with IR spectra, UV spectra, MS and elemental analysis.

本论文的第二部分，以TOPO为TRPO的模式化合物，用终产物分析的方法对TOPO的辐解特性及乳化过程进行了研究，并运用红外光谱、紫外光谱以及元素分析、质谱等方法对乳化物的结构进行了分析。

In order to reveal the reasons of forming pore in hydroxyl terminated polybutadiene/ammonium dinitramide/ammonium perchlorate/aluminium (HTPB/ADN/AP/Al) composite propellants, a series of propellant samples containing ADN and triethanolamine, triethanolamine trifluoroboron complex (T-313), tris(2-methylaziridinyl)phosphine oxide, isophthaloyl-bis-(2-methylaziridine)(HX-752) were prepared, and the components of reacting with ADN and forming pore were confirmed,and the reaction mechanism was analyzed by DSC/TG-IR/MS.

为揭示HTPB/ADN/AP/Al推进剂产生气孔的原因，制备了一系列含ADN和TEA、T-313、MAPO、HX-752等键合剂的推进剂样品，试验确定与ADN反应产生气孔的组分，并通过DSC/TG-IR/MS联用仪分析了产生气孔的反应机理。

The ir reachers are mainly about how to design index system and fuzzy multi-index evaluation.

他们的研究主要集中在指标体系的建立及模糊多指标评价方面。

The structures of radiolysis products were identified by IR spectra, UV spectra and element analysis.

同时，对乳化物的结构分析表明，引起乳化的物质可能主要为TOPO与次瞵酸及其酯组成的寡聚物。

Groups of CF CF formed in F2313 after radiolysis are identified with IR.

辐照后的样品经红外光谱分析发现有 CFCF 基团。

Our laboratory has single-wavelength pyrometers, total radiation pyrometers and IR-thermometers. We have also a middle temperature blackbody, a low temperature blackbody, and a few standard lamps.

本实验室拥有单波长辐射高温计，辐射感温器和红外辐射温度计，以及校准用中温黑体炉，低温黑体空腔和标准温度灯等标准辐射源。

In addition, the ingredients have been tested by the IR spectra which show the probability of the nano-porous structure. SEM pictures, specific surface areas and distribution of pore diameter have been tested to study the nano-porous structures in surface and some data before and after the pyrolyzing process have been gained: the size of the organic aerogel is 30~50nm, that of the carbon aerogel is about 10nm, the specific surface area increases from 341.77m^2/g to 452.75m^2/g, the density increases from 0.1708g/cm^3 to 0.3356g/cm^3 respectively.

借助有机气凝胶的红外光谱研究了其化学结构，说明其网孔结构形成的可能性；研究了有机气凝胶的扫描电镜图像、比表面积及孔径分布等，并得到碳化前后的一些对比数据：有机气凝胶颗粒大小30~50nm，碳化后约为10nm，比表面积从341.77平方公尺/g增大到452.75平方公尺/g，密度从0.1708g/立方公分增大到0.3356g/立方公分。

Results Main imaging findings of acute pulmo nary abscess were found to be dense ir regular patchy shadows,cloud -mass form high density shadows,mult iple spheroidal shadows,cavity formation with gas -fluid plane,contai ng gas cysts,mill...

结果急性肺脓肿主要表现为不规则斑片状浓密影，云团状高密度影，多发球形影，空洞及气液平面，含气囊肿，粟粒样小结节影及伴随以上病灶的胸膜增厚、胸腔积液等，其中空洞及气液平面，含气囊肿是其特征性表现。

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解法的条件；分析了消解后Rh、Ir、Pt、Pd和Au的含量。

The structures were identified by IR, UV,〓 NMR and element analyses. 2. Free radical 4-hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxyl as catalyst, the phase transfer catalyzed method of oxidation eighteen semicarbazides to N-Aryl-2-Phenyl diazenecarboxamide with a solution of potassium ferricyanide in 2N aqueous sodium hydroxide and dichloromethane is described for the first time.

利用2，2，6，6-四甲基-4-羟基-1-哌啶氮氧自由基为相转移催化剂，在饱和铁氰化钾的2N氢氧化钠溶液与二氯甲烷的两相反应液中，催化氧化十八个取代氨基脲得到十八个相应的新型偶氮化合物N，2-二芳基二氮亚烯甲酰胺，均获得了较高的产率。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。