1、

The title compound has been prepared from the reaction of fluorescein and benzoyl chloride. Its crystal and molecular structure is determined by single crystal X-ray diffraction.

以荧光素和苯甲酰氯为原料制备了荧光素二苯甲酰酯,并用X射线单晶衍射法测定了晶体和分子结构。

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2、

Dislocations in a new non-linear crystal, Lithium Boric Oxide ( LBO), have been observed and identified by X-ray diffraction topography. The structural factor which plays important role on dislocations formation, the lattice expansion and twinned growth is given.

本文叙述新型无机非线性单晶三硼酸锂(LBO)中位错的X射线衍射形貌观测和鉴定结果,探讨了位错形成的结构影响因素。

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4、

PXRD showed that the diffraction peak of quercetin crystal disappeared.

衍射图谱包合物中槲皮素吸收峰消失;

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5、

Their crystal structures were usually characterized by the X-ray diffraction instrument.

人们一般常用 X 射线单晶衍射仪表征它的晶体结构.

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6、

ED analysis also showed that nanoparticles were highly-crystallized multi-crystals, with continuous and clear diffraction ring at surface such as ( 0004), ( 0110) and ( 0112) in conformance with XRD analysis results.

基本无杂质,较纯净;ED分析还表明纳米颗粒为多晶,晶化程度好,(0004)、(0110)、(0112)等晶面的衍射环连续、清晰,与XRD的分析结果一致。

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7、

Methods: Powder X-ray diffraction was used to identify the crystal forms of cefazolin sodium in different temperature and humidity circum-stances;

方法:利用粉末X射线衍射(XRD)法分析了固体头孢唑林钠在不同的温度、湿度环境中α晶体、β晶体及无定型粉末之间的转变;

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8、

Thirdly, analyzing crystal structure and character by X-ray diffraction, infra-red spectrum, Raman spectrum, absorption spectrum and fluorescence spectrum.

再次,通过采用X射线衍射、红外光谱、拉曼光谱、吸收光谱和荧光光谱等方法分析了晶体的结构与性能;

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9、

The technical progress on X-ray diffraction for crystal during last ten years was reviewed.

本文评述了十余年来单晶 X 射线衍射技术的进展.

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10、

The crystal structures chlorobenzoic acid was determined by X-ray diffraction.

经 X 射线衍射方法测定了对氯苯甲酸的晶体结构.

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11、

This article gives the properties of KLSBN crystal magnifying power, exponential gain coefficient and diffraction efficiency.

本文给出了新型光折变晶体KLSBN的放大率 、 指数增益系数及衍射效率的测试结果.

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12、

According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.

根据单轴晶体的折射率椭球,从理论上分析了光折变体光栅的衍射效率与读出光偏振态的关系。

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14、

From the conception of X ray diffraction of electrons in an atom, the mathematical expression of X ray diffraction for an atom in a crystal cell is given.

从原子中的电子对X光散射的概念出发,对任意一个晶胞内的任意一个原子产生的X光衍射给出了具体的数学描述。

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15、

The crystal structure of a novel tetranuclear Pr complex [ Pr4 ( O2) 2 Cl8 ( THF) 8 ( H2O) 2] · 2THF was determined by the single crystal X-ray diffraction method.

本文用X&射线衍射法测定了[Pr4(O2)2Cl(THF)(H2O)2]·2THF的晶体和分子结构。

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16、

A transparent γ-LiAlO_2 crystal has been grown by temperature gradient technique ( TGT). ( 001) plane γ-LiAlO_2 crystals annealed in different ambients were studied by scanning electron microscope ( SEM) and X-ray diffraction ( XRD).

利用温度梯度法生长出了透明的γLiAlO2单晶,通过扫描电镜和X射线薄膜衍射分析了不同退火气氛对所切得的(001)晶片表面结构的影响。

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17、

Its crystal structure, specific surface area, pore size distribution, oxygen storage capacity ( OSC) and redox behavior were investigated by X-ray diffraction, BET, oxygen pulse adsorption and H_ ( 2)-temperature programmed reduction ( H_ ( 2)-TPR).

采用X射线衍射、BET、氧脉冲吸附和H2程序升温还原(H2-TPR)等技术对材料的晶体结构、比表面积、孔结构、储氧性能和还原性能进行了研究。

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18、

Methods Flexural strength and elastic modulus were measured by three-point bending test at selected temperatures from 830 C to 950. X-ray diffraction was used to investigate the type of crystal and crystal percentage.

方法按不同晶化温度条件分组,利用X射线衍射技术鉴定晶相,计算晶体含量,并采用三点弯曲法测定各组的抗弯强度和弹性模量。

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19、

The picture of X-ray diffraction revealed that decoloration and micronization could not change crystal structure of DF.

X&射线衍射图显示脱色和超微粉碎均未改变膳食纤维的晶体结构。

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20、

Appraisal result of the new technique for measuring crystal thermal expansion by using X-ray powder diffraction

用X射线粉末衍射仪测定晶体热膨胀新技术的鉴测结果

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