查询词典 crystal diffraction

The granular morphology and size, molecular weight distribution, crystal structure, thermodynamic properties, structural character, digestibility and glycaemic-index of starch from Kabuli and Desi chickpeas cultivars were investigated using scanning electron microscope, high performance liquid chromotagraphy, X-ray diffraction, differential scanning calorimetry,infrared spectrum and other modern analytical methods.

采用扫描电镜、高效液相色谱、X射线衍射、差示扫描量热仪、红外光谱等现代分析手段探讨了Kabuli与Desi品种鹰嘴豆淀粉的颗粒形貌与大小、分子量分布、结晶结构、热焓性质、结构特征、消化性能及血糖生成指数。

The granular morphology and size, molecular weight distribution, crystal structure, thermodynamic properties, structural character, digestibility and glycaemicindex of starch from Kabuli and Desi chickpeas cultivars were investigated using scanning electron microscope, high performance liquid chromotagraphy, Xray diffraction, differential scanning calorimetry, infrared spectrum and other modern analytical methods.

采用扫描电镜、高效液相色谱、X射线衍射、差示扫描量热仪、红外光谱等现代分析手段探讨了Kabuli与Desi品种鹰嘴豆淀粉的颗粒形貌与大小、分子量分布、结晶结构、热焓性质、结构特征、消化性能及血糖生成指数。

The total of 36 compounds were characterized by X-ray single crystal diffraction, EA, TG, IR, luminescence, adsorption, XPS, powder XRD, M〓ssbauer spectra, EPR, magnetical measurements.

本论文利用水热法，成功设计和合成出三个系列Ln-M(M=Mn〓，Fe〓，Ag〓)共23个未见文献报道的稀土—过渡混合金属配位聚合物，同时也得到了结构新颖的仅含稀土或两种不同过渡金属的从一维到三维的聚合物13个，并对它们进行了结构、元素分析、热重分析、红外光谱、荧光、吸附、磁性、光电子能谱、粉末衍射和M〓ssbauer谱等表征。

X-ray diffraction, scanning electronic microscope, impedance analyzer and piezoelectric workstation were used to determine the crystal structure, micrographic topography, dielectric, piezoelectric and ferroelectric properties of NKN—based ceramics.

利用X射线衍射分析、扫描电子显微、HP4294A阻抗分析仪、压电工作站等对这三个系列样品的晶体结构、表面形貌、介电性能、压电性能和铁电性能等进行了深入的分析、研究和对比。

The crystal structure and molecular chain behavior of mechanically micronize d corn starch were studied by various methods,such as polarized microscope,X-ray diffraction,DSC method,GPC and LLS.

采用偏光显微镜，X-射线衍射仪，示差扫描量热仪、凝胶过滤色谱以及激光光散射分析技术等测试手段，表征和探讨了超音速气流粉碎微细化处理的玉米淀粉的晶体结构和分子链行为。

To obtain large single crystal of ΔnifE Av1 suitable for X-ray diffraction, a body of studies were performed on the crystallization conditions such as kinds and concentrations of precipitants, pH value of buffer, diffusion method and protein batch.

为获得可供X-射线衍射的ΔnifE Av1的大单晶，对组成蛋白质沉淀剂的各种化合物的种类和浓度、缓冲液的pH值、结晶方法及蛋白样品的批次、浓度等结晶条件进行了大量优化研究。

To obtain large single crystal of △nifE Avl suitable for X-ray diffraction, a body of studies were performed on the crystallization conditions such as kinds and concentrations of precipitants, pH value of buffer, diffusion method and protein batch.

为获得可供X-射线衍射的△nifE Avl的大单晶，对组成蛋白质沉淀剂的各种化合物的种类和浓度、缓冲液的pH值、结晶方法及蛋白样品的批次、浓度等结晶条件进行了大量优化研究。

Single-crystal X-ray diffraction analysis of 3, 3'-BTDA and 3, 4'-BTDA showed that they both have bent and noncoplanar structures.

发现螺双内酯在乙酸酐中回流可以直接有效地转化成二酐3，3'-BTDA，并提出了转化机制。

Three single crystals of N-nitrobenzene, N-acyl dehydroabietic hydrazine 7c single water compounds, N, N-acyl dehydroabietic hydrazine 7l and 2,5 - dehydroabietic-1, 3,4 - oxadiazole 8g were obtained for the first time. X-ray diffraction analysis of these crystals showed dehydroabietic acid skeletons were contained in these crystal molecules.

首次得到N-去氢枞基，N-对硝基苯基双酰肼7c一水化合物、N，N-二去氢枞基双酰肼7l和2，5-二去氢枞基-1，3，4-噁二唑8g 3个单晶，并用X射线单晶衍射进行了解析，晶体中均含有去氢枞酸分子骨架。

The scale inhibition mechanism of PESA was proposed on the basis of characterization of transformation of calcium carbonate crystal by means of X-ray Diffraction and scanning electron microscopy. The effect of temperature on corrosion inhibition efficiency of PESA was investigated and the Bockris substitution model is proposed to study the thermodynamics of inhibiting process of PESA. The calculation results show the adsorption of PESA on carbon steel is a spontaneous exothermic process with the increase of entropy.

通过X射线衍射和扫描电镜分析手段研究了聚环氧琥珀酸加入前后碳酸钙垢晶型的变化，在此基础上探讨了聚环氧琥珀酸的阻垢机理；考察了温度对聚环氧琥珀酸缓蚀性能的影响，根据Bockris置换模型，计算出中性水质中聚环氧琥珀酸在碳钢表面吸附的热力学函数，计算结果表明：聚环氧琥珀酸在碳钢表面的吸附是一个放热、熵增、自动发生的过程。

After explaining total design of automated test system for microcircuit , the thesis introduces GPIB standard .

文章在说明了微电路模块自动测试系统的总体设计后，对GPIB标准进行了介绍。

He interceded in my behalf.

他替我说情。