查询词典 X-ray diffraction

This paper use scanning electron microscope, electron microprobe and X-diffraction analysis.

通过该项研究明确了增加微细水泥石渗透率的途径，从而为研制更好的作用剂提供了理论依据。

Hexachlorocyclophosphazene was prepared using phosphorous pentachloride and ammonium chloride as raw material, hccp was mixed with Montmorillonite which aimed to decrease MMT.'s hydrophilicity. Solid state reserve cell of Mg│reformed MMT.│polymer gel containing water│graphite was assembled, and cell performance was tested. XRD and IR results show: When mass percentage lower than 9.1%, hccp mixed with MMT to form homophase, hccp phase was observed in the mixture when percentage higher than 9.1%, for hccp specific diffraction peak appears in XRD data, and 1220cm-1 which was assigned to P=N double bond 's expand vibration appears in IR data.

合成了六氯环三磷腈，并用六氯环三磷腈与蒙脱石混合对其改性，期望能减小蒙脱石的吸水性能；组装电池Mg |改性蒙脱石|含水凝胶|石墨片，并测试电池的性能。X射线粉末衍射数据和红外光谱数据表明：蒙脱石容纳六氯环三磷腈的质量分数在4.8%-9.1%之间，可与蒙脱石形成单一物相，但混合质量分数大于9.1%时，改性蒙脱石出现六氯环三磷腈的特征衍射峰，和1220 cm-1的六氯环三磷腈P=N双键的特征伸缩振动峰，证明为蒙脱石与六氯环三磷腈的两相混合。

Free silica in geological exploration dust is measured by both Xray diffraction and pyrophosphoric acid methods.

对粉尘中游离二氧化硅含量进行了X线衍射法和焦磷酸消化法的对比测定。

Pristine Li-Al LDHs are synthesized by hydrothermal process in different reaction conditions by varying the aging time for 1 and 24 hours. Both the Li-Al layered double hydroxides (abbreviated as Li-Al LDH1 and Li-Al LDH24 for aging time 1 hour and 24 hours, respectively) were modified by using sulphanilic acid sodium salt hydrate, modified agent to form modified Li-Al LDH1-SAS and Li-Al LDH24-SAS. The morphology of the pristine layered double hydroxides are investigated by using wide angle X-rays diffraction, scanning electron microscopy and particle size analyzer which indicates that the crystallinity and aspect ratio is increased with increasing the aging time from 1 hour to 24 hours. The particle size of Li-Al LDH24 and Li-Al LDH1 are found to be ~1000 nm and ~250 nm, respectively. Both the pristine and modified LDHs are characterized by XRD, FTIR spectra and thermogravimetric analysis.

本研究目的在於改变长晶时间的长短，合成出同径大小的Li-Al LDHs，再经由改质剂sulphanilic acid sodium salt hydrate将Li-Al LDHs无机层材表面有机官能化制备出改质型Li-Al LDHs-SAS，於是进一步藉由扫描式电子显微镜、射径仪和穿透式电子显微镜等仪器分别观察LDHs改质前和改质后其主层结构型态上的变化；从中可以发现Li-Al LDHs随著长晶时间的增加其径有随之增大的趋势，但经有机化改质后其径会由於改质环境的影响明显低许多，针对此现象本实验将未改质和改质后之Li-Al人工无机层材制备成复材进一步探讨其在热性质和难燃特性上的为表现。

A conventional two-circle diffraction system is set up. The work includes the design of light route, the establishment of control system for step motor and data collection, and the adjustment of the facility. A number of multilayers are measured using the diffractometer and a lot of useful experimental data are obtained.

作者在一台12KW转靶X光机的基础上，从光路设计到步进马达、数据采集等一套控制系统的建立，搭置了一台二圆衍射系统，并利用它做了大量的多层膜样品测量工作，并取得了一批有用的实验数据。

The results indicate that the serpentine cat's-eye mainly consists of chrysotiles, which show the characteristic diffraction lines d(subscript 202, 006)=0.2446nm (I/I0=29) and d(subscript 202, 006)=0.2451nm (I/I0=27) in the XRD pattern; two absorption bands near 3600~3690cm^(-1) and three characteristic IR absorption bands around 960~1100cm^(-1) and one weak shoulder absorption band in the IR patterns.

结果表明，四川蛇纹石猫眼的主要组成矿物为纤蛇纹石，具有斜纤蛇纹石d(下标 202。 006)=0.2446nm(I/I0=29)和d(下标 202。 006)=0.2451nm(I/10=27)X射线粉晶衍射的特征谱线；在960~1100cm^(-1)间红外图谱分裂成3个明显的谱带，570cm^(-1)附近的红外谱带以肩状出现，在3600~3690cm^(-1)的高频区出现两个谱带。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。