查询词典 spectrum analysis

Its structure is analyzed by means of thermal gravimetric analysis, infrared-ray spectrum, X-ray diffraction and scanning electron microscopy.

采用热失重分析、傅立叶转换红外光谱分析、X射线衍射和扫描电镜对其结构进行了表征与分析。

By means of modern analysis and testing tools such as X-ray diffraction and flurescence spectrum research the crystal constitution and luminescence performance of materials.

结合X射线衍射仪、荧光分光光度计等现代分析测试手段，研究了其晶体结构和发光性能。

A chiral phase transfer catalyst, N-benzyl quinine bromide, was synthesized from natural chiral compound. And 2,5-bimethyl-4-(3-nitrobenzene)-1,4-bihydrogenation pyridine-3--4-methyl formate (viz. nitrendipine) was synthesized by this chiral phase transfer catalysis, and characterized by elemental analysis, infrared spectrum,1H nuclear magnetic resornace, and X-ray single-crystal diffraction.Key words: ammonium; chiral phase transfer catalyser; crystal structure

通过对天然手性物质进行修饰合成手性相转移催化剂N-苄基溴化奎宁，并对目标分子2，5-二甲基-4-(3-硝基苯)-1，4-二氢吡啶-3-甲酸乙酯-5-甲酸甲酯进行不对称催化合成，并通过红外光谱和核磁共振氢谱对化合物进行了表征，用X射线单晶衍射法测定了该化合物的晶体结构。

In this paper, changes of cuticle layer and epicuticle structure after stretching or stretching—setting treatment of wool and hair fiber are also analyzed by means of cuticle superficial structure observation through SEM, A1l w〓rden reaction, all amino-acid analysis and infrared spectrum studying, and on this account, inquiring firstly into the mechanism of modification of wool and hair fiber by stretching.

本论文通过电镜观察鳞片层结构、阿尔瓦登反应、氨基酸含量分析及红外光谱研究等方法分析了拉伸及拉伸—定型处理后鳞片层及鳞片表层结构的变化，并以此为主要切入点，创意性地探讨了毛发拉伸改性机理。

According to the analysis, we can relate the polarized spectrum feature to the spin structure of excitons and dot geometry.

根据这个分析，我们可以把极化光光谱连结到激子的自旋结构与量子点的几何形状。

According to the theory of excitions generation and diffusion, the relationship between spectrum intensity and the thickness of every layer, the excitons diffusion length is discussed. The result of the theory analysis is in good agreement with the experiments.

根据激子产生和扩散理论，讨论了器件性能对于各发光层的厚度及激子扩散长度的依赖关系，拟合结果与实验结果吻合。

In this research, large volume stainless pots, high－quality pottery pots and enamel pots, instead of traditional small volume pottery pots, were used in storing several kinds of fresh liquor like "Shuanggou Liquor" etc.and the analysis of stored liquor by gas chromatography and atomic absorption spectrum indicated that the application of large volume stainless containers, instead of the traditional pottery pots, could not only advance liquor aging , produce flavour and remove precipitate, develop soft liquor style, stabilize and improve liquor quality,harmonize the balance of components , decrease liquor loss and liquor storage space,but also promote oxidation , reduction, esterification and molecular hydrogen bond association in the process of liquor storage.

对&双沟酒&等各香型酒，利用大容器的不锈钢罐、优质陶缸和搪瓷罐代替传统小容积陶坛或陶缸贮存新酒作了试验研究。采用气相色谱和原子吸收光谱对贮酒分析，得出采用不锈钢等大容器代替传统小陶罐贮存酒，不但可使酒在贮存过程中进行氧化、还原、酯化和分子氢键缔合作用，促进酒体老熟去杂增香，使酒体柔和老熟、成分平衡协调，稳定和提高酒质；而且还可以降低酒的损耗和减少贮酒库占地面积。孙悟

There was a discussion about the analysis of uncertainty in the clenbuterol content in pig urine which was determined by Gas chromatography-mass spectrum.

讨论了对用气相色谱－质谱法测定畜禽尿液中盐酸克伦特罗含量的不确定度的分析。

Thermal-gravimetric analysis, gas chromatogram and mass spectrum method have been used to study the characteristics of sulphide pollutant that released from the co-pyrolysis of biomass and coal blends.

采用热重分析和色谱、质谱偶联技术，对三种秸秆类生物质与煤混合热解过程中产生的含硫气体进行了在线检测，研究生物质对煤热解析出的COS气体的影响。

Thermal-gravimetric analysis, gas chromatogram and mass spectrum method were used to study the characteristics of hydrogen sulphide that released from the co-pyrolysis of biomass and coal blends.

采用热重分析和色谱、质谱偶联技术，对3种秸秆类生物质与一种烟煤混合慢速热解中产生的H2S气体进行了在线检测，研究生物质对煤热解析出H2S气体的影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。