查询词典 ir

It was proved that the microsphere was made up of polyurea shell and bakelite core.

通过IR和DSC测定了壁材的结构，表明微球外壳为聚脲壳，芯为酚醛树脂。

A theoretical model is built to investigate the simulation of the infrared characteristic of the metal structure with the PCM false target.Structure parameters of the PCM false target that suit for the simulation are investigated numerically.According to the results,further request on the improvement of the thermal conductivity of PCM is presented.An experimental platform is built and the numerical model is validated experimentally.Three key thermal characteristic components of the false tank(barbette,wheel and front armor plate) are manufactured and tested,and good results are obtained.A method for the thermal conductivity enhancing of PCM by using aluminum fins is studied,the influence of the structure parameters of PCM plates to the simulation effects are investigated numerically,and the reasonable configuration parameters of the PCM plates used to simulate the steel plates of different thickness are obtained.In the study of the application of heat convection method in IR false target,a passive infrared simulation system is designed to simulate the infrared characteristic of metal constructions.The system is made up of pipe-plate,pump,receiver,and working fluid.

在相变材料应用于红外示假的研究中，通过数值模拟，研究确定了适用于制作假目标的相变材料各物性参数的范围，分析了相变材料制作假目标的可行性，并根据所得结果，选取石蜡为研究对象，建立了相变材料模拟金属构件红外特征的理论模型，研究了适用于模拟各金属构件红外特征的相变材料假目标的相关结构参数，得出了相变材料假目标模拟各金属构件红外特征的理论结果，并对相变材料的导热系数这一物性提出了进一步的改进要求；搭建了假目标实验平台，验证了所建理论模型的准确性；以坦克假目标为研究对象，制作了炮塔、负重轮和前上装甲板三个坦克假目标的关键红外热特征部件，并进行了野外实验，取得了较好的结果；以添加铝肋片作为改进相变材料导热能力的手段，理论研究了此类导热增强型相变材料的相关结构参数对模拟效果的影响，得出了模拟不同厚度钢板红外特征的导热增强型相变材料的结构参数及模拟效果。

The technology is easy to create and cost of incorporating the IR device into a system is in barest minimum.

该技术容易地创建和费用纳入红外装置成一个系统是在最低限度。

The effects of the intensity of basicity and the molar proportion of reactants on the reaction are discussed.

对1，3-环己二酮在碱性条件下的甲基化反应进行了对比研究，利用IR和1H NMR对产物结构进行了表征，讨论了碱性强弱和反应物物质的量之比对该反应产物的影响

In this paper, a quaternary ammonium salt of chitosan was synthesized and the factors affect on the solubility or degree of substitution of product, such as the concentration of alkali, the time of basification, the content of water in system, the time of dispersing and the method of adding epoxyproryltrimethylammonium chloride, were discussed in detail. The product was characterized by IR, DSC, TG and X-RAY diffraction. The effects of time, humidity and temperature on the gases permeability of the quaternary ammonium salt of chitosan film were researched.

本论文研究了壳聚糖季铵盐的合成反应，对碱化浓度、碱化时间、水的含量、分散时间和醚化剂的加入方式等因素对制备反应的影响进行了考察；应用红外光谱、DSC、TG以及X-射线衍射对产物进行了表征；探讨了时间、湿度和温度对壳聚糖季铵盐膜透气性的影响。

K-ATPase is the last passageway of gastric acid secretion.On the basis of synthesis of the H+K-ATPase inhibitor pantoprazole,twelve benzimidazole derivatives were synthesized for the first time,and their structures were proved by IR,1H-NMR and elementary analysis.

摘 要 H+/K+-ATP酶是胃酸分泌的最后环节，在合成H+/K+-ATP酶抑制剂泮托拉唑的基础上，设计合成了12个未见文献报道的苯并咪唑类衍生物，经红外光谱、核磁共振氢谱和元素分析确定了结构。

Three new fluo-rine-containing nitro benzimidazole derivatives were synthesized in the presence of 4-dimethylaminepyridine andtheir structure and configuration were confirmed by elemental analysis, IR, and 1HNMR.

在碱性条件下由2-(4′-羟苯基)-5-取代苯并咪唑与氯乙酸作用得到5个新化合物取代苯并咪唑基苯氧乙酸。

The synthetic product was identified with mass spectroscopy and IR spectroscopy. The properties of PBZP were dompared with those of two useful photoinitiators, benzoin ethylether and benzophenone.

用质谱与红外光谱对产物作了鉴定，其性能与常用的紫外光敏剂苯偶姻乙醚及二笨甲酮进行了比较。

Longitudinal evaluation in the Mexico City study showed that beta cell function and not body weight or IR predicted progression to DM.

在墨西哥城研究的纵向评估显示，B细胞功能，而不是体重或者胰岛素抵抗，能预测到糖尿病的发展。

A preliminary discussion on the possible synergic effect of bimetallic catalyst has also been made.

用IR和TEM技术对PVP负载型金属催化剂进行了表征，并讨论了双金属协同脱卤作用。

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。