查询词典 X-ray diffraction

Phase identification and microstructure observation of the composites were performed by X-ray diffraction, Electron Probe Microanalyses and transmission electron microscopy. The results show that ZrB2 phase is equiaxed or near equiaxed, which is hexangular and less 1μm in size. ZrAl3 phase is long strip-shaped. The in-situ reinforcements are distributed uniformly in the matrix and the interface is clean,without any other chemical products.

借助于X射线衍射仪、电子探针和透射电镜对复合材料的物像和增强相进行了观察，结果表明ZrB2颗粒呈等轴或等轴颗粒状，为六方结构，尺寸大部分小于1μm，ZrAl3相大部分呈长条状，两种增强相整体分布较为均匀，且与Al的界面光滑洁净，没有其它界面生成物。

Differential scanning calorimeter,X-ray diffraction and scanning electron microscopy were used to study the effect of nucleating agent ZrO_2 on crystallization behavior and microstructures of the glass system.

采用DSC、XRD、SEM等分析测试方法研究了氧化锆含量对锗酸盐玻璃的析晶行为与显微结构的影响。

The crystal structures have been determined by X-ray diffraction method, which show that the new complex [Co2-Co(2)(0H2)s] belongs to the bridging binuclear complex and the system of monoclinic with space group P211~,unit cell parameters a8.3850(10)A, b=27.386(4) A, c=9.610(2) A,~=98.280(10)~,V=2 183.8(6) A3 , Z=4, Dc=l.746Mg/m3,~i =l.597mm, F(000)=1168, Final R=O.0253 and wR=O.0610 S1.009 ,The two Co2~ are in distorted octahedrons. The part of [2Co] possess an approximate D2d symmetry, while the part of [OCo(2)(0H2)5] has an approximate C2 symmetry.

结构分析表明配合物(1)[Co1，(DPC2-Co(2)(OH2)5]是一个未见报导的桥联双核配合物，属单斜晶系，空间群为P2_1／c，晶胞参数：a=8.3850(10)A，b=27.386(4)A，c=9.610(2)A，β=98.280(10)A，V=2183.8(6)A~3，Dc=1.746Mg／m3，Z=4，μ=1.597mm-1，F(000)=1168，结构偏离因子R=0.0253和ωR=0.0610，吻合因子S=1.009，Co_(1)和Co_(2)的配位多面体皆为扭曲正八面体，[_2Co_(1)]部分具有近似D_(2d)对称性，[OCo(2)(OH_2)5]部分具有近似C_2对称性。

Ultra-high strength 23Co 14Ni 12Cr3MoE steel was shot peened and the surface residual stress of shot-peened specimens was determined during rotating bending fatigue by X-ray diffraction method.The surface residual stress decreases greatly in the first 10 cycles and it is steady alter 100 cycles.

工件表面的残余应力，对其疲劳性能具有重要的影响，喷丸强化工艺主要利用的就是在表层产生一定数值大小的残余压应力以提高疲劳抗力，但喷丸残余压应力在疲劳过程中并不是稳定的，在一定外力或/和温度的单独或共同作用下，残余应力可发生松弛['一5]。

In this thesis, the phase diagram of Zn-Al binary system on 10~69.5 w% was reinvestigated by using differential scanning calorimeter, X-ray diffraction and pushrod dilatometer. The process of isothermal transformation during the aging of high-Aluminum-Zinc-based alloy was studied by using differential scanning calorimetry, and the aging behavior of the alloy was analyzed at the aspect of thermal analysis kinetics. The change of microstructure which the alloy was being heated was observed on high-temperature metallurgical microscope. The microstructure and wear-friction properties were compared among the alloys treated with several different heat treatment processes, and a model for heat treatment processes was proposed based on artificial neural network,so as to predict the relationship between friction coefficient and parameters of aging treatment such as aging temperature and time.

本文采用高温X射线衍射、示差扫描量热分析、热膨胀等方法重新测定含锌量范围为10％～69.5％的Zn-Al系二元相图，利用示差扫描量热分析法，研究高铝锌基合金时效等温转变过程，并从热分析动力学的角度分析高铝锌基合金合金时效行为；使用高温金相显微镜观察合金加热时的组织变化；比较几种不同热处理工艺对高铝锌基合金显微组织与耐磨性能的影响并利用人工神经网络建立高铝锌基合金热处理工艺模型，预测合金摩擦系数随时效温度及时间变化规律。

The CTMAB-bentonite was remodified using CPAM. The effect of intercalation of this new type organobentonite was tested by X-ray diffraction, and infrared spectrum.

探讨了实验影响因素以及最佳的实验工艺条件，并通过X射线衍射、红外光谱分析对有机膨润土的插层效果进行了表征。

The X-ray diffraction data show that, the corrosion product is mainly composed of sulfates of zinc.

因此，在该地区进行材料的腐蚀研究具有重要的现实意义。

After preparing PC-HA and β-TCP by wet chemical precipitation method separately , granular type bone grafts were collected by filtrating, freeze drying, tableting, sintering, mixing, and size screening. All the bone graft specimens were analyzed with scanning electric microscope, Fourier transform infrared spectrometer and X-ray diffraction.

本实验室以湿式化学沈淀法分别反应生成PC-HA与β-TCP后，经过滤、混合、乾燥、压锭、烧结、粉碎后以不同网目筛网控制颗粒大小，备制磷酸钙骨移植材(PC-HA/β-TCP)，藉由扫描式电子显微镜、傅氏红外光谱仪与X光绕射分析仪进行材料之物化性分析。

The structure and microstructure changes of electrode active materials,β-Ni2 and AB5 alloy, during the charge and discharge processes have been studied detailed by means of X-ray diffraction. Physical behavior of electrode active materials and the physical conductive mechanism have been discussed.

借助X射线衍射等方法，研究了MH/Ni电池在充放电过程中电极活性材料β-Ni2和AB5合金的结构和微结构变化，进而讨论了两种电极活性材料在充放电过程中的物理行为和导电的物理机制。

The membranes were characterized by X-ray diffraction, Fourier transform infrared, Scanning electron microscope, Transmission electron microscope, Differential Scanning Calorimetry and contact angle meter, and their swelling and sorption properties, diffusion properties, and pervaporation properties were investigated systematically.

利用X一射线衍射、红外光谱、扫描电镜和透射电镜、差示扫描量热仪以及接触角分析等手段对膜的微观形态进行表征，系统研究了膜的溶胀吸附、扩散以及渗透蒸发性能。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。