查询词典 ir
- 与 ir 相关的网络例句 [注:此内容来源于网络,仅供参考]
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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。
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The first part is to synthesize 5-formyl -8- quinolinol from 8-uinolinol and chloroform , using ethanol as a solvent. Then analysizing the 5-formyl-8-quinolinol by IR. The second part is , according to ideas of molecule designing, to synthesize the new self-assembly Inorganic-Organic coordination polymers Co(u2-bpyV2O6,(C4H4N2)Ni2(H2O)2-V4Ol2,(Cl2Hl2N2)Co-V2O6 using Cu, Ni, and Co as templating, 4-cyano-pyridine(4-CNPy), 4,4-bipyridine,pyrazine, l,2-bis(4-pyridyl)ethane, 5-formyl -8- quinolinol as building blocks and Ammonium Metavanadate (NH4VO3) as subordinate building blocks by Hydrothermal , analysizing their content of element determining their structures by X-Ray diffraction.
本课题实验分为两部分:一是配体的合成,以8-羟基喹啉、三氯甲烷为原料,以乙醇为溶剂,合成了5—甲醛基—8羟基喹啉并且对其进行了IR的分析测定;二是配位聚合物的合成,通过分子设计,采用溶剂热法以Cu、Ni、Co为中心离子,以5—甲醛基—8羟基喹啉、4,4-联吡啶、吡嗪、1,2-二吡啶基乙烷为配体,以偏钒酸根(VO_3~-)为辅助配体,通过水热法自组装合成了新的3-D网状结构配位聚合物Co(μ_2-bpy)V_2O_6,(C_4H_4N_2)Ni_2(H_2O)_2·V_4O_(12),C_(12H_(12)N_2Co·V_2O_6,并对其进行了元素分析和晶体结构的测定。
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By means of molecular designing, a series of sodium branched-alkyl benzene sulfonates weresynthesized through seven process, involving Frieded-Crafts reaction, Grignard reaction, sulfonationand neutralization. Those isomers have similar structure, carbons of same quantity, but the position ofalkylaryl dissimilarity. Liner fat acid, metaxylene and halogenated hydrocarbon of different carbonnumber were used as the starting materials. Optimum processing condition was confirmed consideringinfluence of a series of reaction factors such as feed proportioning, quantity of catalysts, quantitysolvent, reaction time, temperature and pressure. Eight kinds of isomers of sodium hexadecylxylolsulfonates were finally synthesized, and characterized by FT-IR.
本文通过分子设计,以不同碳数直链脂肪酸、间二甲苯以及不同碳数的卤代烷为原料,经酰基化、格氏反应、加氢还原、磺化及中和等反应,合成了结构相似、烷烃链碳数一定、芳基在烷烃链不同位置的烷基芳基磺酸盐同分异构体;并考察了原料配比、催化剂用量、反应时间、反应温度、溶剂用量、反应压力等一系列因素对各反应的影响,进而确定最佳工艺条件,最终合成出十六烷基二甲苯磺酸钠的八种同分异构体,利用 FT-IR 对产物结构进行了分析。
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The methodic design of the IR imaging system with large aperture.
潘君骅。大口径红外成像系统的光学设计。
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Through SEM and IR microcosmical testing, we discussed the action mechanism of the new addition.
通过SEM和IR分析等微观测试手段,探讨了新型外加剂作用机理。
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The structure and properties of TKGM were characterized by FT-IR, polarizing optical microphotography, low temperature differential scanning calorimetry and TG-DSC. The results indicated: a graft copolymerization reaction was taken place between KGM and VAc, MA.
采用傅立叶红外光谱、偏光显微镜照片、低温差示扫描量热仪和综合热分析等付改性材料的结构和性能进行了分析表征。
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Surface complex supports VSiO, which have good engineering character, and supported Pd/VSiO and Cu/VsiO catalysts have been prepared by surface chemical reaction modification and isovolume impregnation method, respectively. BET, TPR, chemisorption-IR chemisorption-TPD and microreaction techniques have been used to study the adsorption activation and partial oxidation reactivity of CO〓 and C〓H〓 on the Pd/VSiO and Cu/VSiO catalysts.
以表面化学反应改性法制备了工程性质优良的VSiO表面复合物载体,并以等体积浸渍法制备了负载型的Pd/VSiO和Cu/VSiO催化剂;采用BET、TPR、化学吸附—IR、化学吸附—TPD和微反技术研究了Pd/VSiO和Cu/VSiO催化剂对CO〓和乙烷的吸附活化和部分氧化反应性能。
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XRD, 29Si, 27AI MAS NMR, the adsorption of nitrogen at low temperature,129Xe NMR, XPS, IR-TPD, NH3-TPD, the high vacuum volumetric analysis and pulse flow microreaction were used to study the difference in structure and property between the US-SSY zeolites obtained by quick and slow cooling after treating SSY zeolite with steam at high temperature.
应用X射线粉末衍射、29Si、27Al魔角旋转核磁共振、低温氮吸附、129Xe核磁共振、X射线光电子能谱、程序升温脱附和脉冲微反等多种物理、化学手段,详细考察了经高温水蒸汽处理后的超稳Y分子筛在急冷和自冷过程中产生的结构和性能差异,结果表明,冷却速率是制备分子筛必要的控制因素
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These images generated spatially chemical information and revealed chemical heterogeneity of the plant intrinsic structure. FT-IR microspectroscopic imaging appears to be an extremely valuable tool by which to investigate and evaluate plant tissue of this type.
这些光学影像显露出植物内部结构空间的化学讯息及化学多样性,傅立叶转换红外线显微光谱仪图像在观察及评估这种类型的植物组织是相当具有价值的。
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Results:The experimental results showed that the ultraspatial resolved imagings of plant tissues by FT-IR microspectroscopy with imaging, mapping, ChemiMap, and line scanning techniques were obtained.
结果:实验结果显示藉由傅立叶转换红外线显微光谱仪,运用光学影像、面扫描、化学官能基面像化及线扫描技术,可以获得植物组织立体空间再现性影像。
- 相关中文对照歌词
- Violeta (Fricote)
- Calentándote
- Que La Dejen Ir Al Baile Sola
- Musica Killa
- Pode Ir
- Déjame Ir
- Vueltas En El Aire
- First Time
- Deixo Você Ir
- Me Gustas Tu
- 推荐网络例句
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Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.
目前大多数的研究表现为在变形后的受控Petri网基础上,利用各种方法求得各种逻辑型、结构型控制器,解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。
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On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.
一方面,有讨论,工程理事会和联盟关于延长工作时间短至9月底。
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What is the topic sentence of this article?
这篇文章中心的句子是那一句?