查询词典 ir

IR aerosol screening smoke can countermine advanced photoelectric equipment, in particular imaging homing.

摘 要：红外气溶胶烟幕技术能有效对抗先进的光电武器，尤其是成像制导。

Oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by FI-IR, SEM, and the detection experiment of oxygen.

氧敏感材料在光纤溶解氧传感器中的应用：该传感器的响应时间为20s，重复性和稳定性较好，不受溶液pH值的影响，但受水温影响较大，只能用于低温溶解氧的检测。

He brought back a cowboy hat as a souv ir of America.

他带回一顶牛仔帽作为访问美国的纪念。

The authors analysed naked and transformed groups of fibrous brucite, wollastonite, chrysotile asbestos, sepiolite, palygorskite, clinoptilolite, crocidolite and diatomaceous earth mineral dust s by IR under acid and alkali etching and strong mechanical and polarized molecular interaction.

本文通过酸碱蚀、强机械力和极性分子等表面作用，利用红外吸收光谱手段分析7种重要矿物粉尘的表面基团裸露、转化过程，总结了矿物粉尘表面存在的基团类型及其表面活性位的分布及在不同环境条件下的转化，对讨论粉尘生物活性及矿物表面／细胞物理化学作用过程有重要意义。

And by IR, TGA and X-ray diffraction on the crystal structure and properties were characterized and studied.

并且通过IR、TGA和X-射线单晶衍射对晶体结构和性质进行了表征和研究。

And by IR, TGA, fluorescence spectroscopy and X-ray diffraction on the crystal structure and properties were characterized and studied.

并且通过IR、TGA、荧光光谱分析和X-射线单晶衍射对晶体结构和性质进行了表征和研究。

The structure is characterized by elemental analysis, IR and single crystal X-ray diffraction.

通过IR，元素分析对配合物进行了表征，并用单晶X射线衍射测定了其结构。

The complexes were characterized by elemental analysis, IR spectrum, and single crystal X-ray diffraction.

通过元素分析、红外光谱和X射线单晶衍射方法对配合物进行了表征。

It was characterized by X-ray single crystal diffraction, elemental analysis, FT-IR spectroscopy and 1H NMR.

通过X射线单晶衍射、元素分析、FT-IR光谱和1H NMR对其进行了表征。

The complex was characterized by elemental analysis, IR spectrometry and single crystal X-ray diffraction.

进行了元素分析、红外光谱表征，并用X-ray单晶衍射法测定了配合物1的晶体结构。

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。