Certification of SRM 640f line position and line shape standard for powder diffraction [0.03%]
用于粉末衍射的SRM 640f线位置和线形状标准的认证
David R Black,Marcus H Mendenhall,Albert Henins et al.
David R Black et al.
The National Institute of Standards and Technology (NIST) certifies a suite of Standard Reference Materials (SRMs) to be used to evaluate specific aspects of the instrument performance of both X-ray and neutron powder diffractometers. This ...
A method for mapping submicron-scale crystallographic order/disorder applied to human tooth enamel [0.03%]
一种用于人类牙齿釉质的亚微米级晶体学有序/无序图谱的方法
R Free,K DeRocher,R Xu et al.
R Free et al.
Tooth enamel, the outermost layer of human teeth, is a complex, hierarchically structured biocomposite. The details of this structure are important in multiple human health contexts, from understanding the progression of dental caries (toot...
Special section: crystallography and properties of metal organic framework (MOF) compounds [0.03%]
专题：金属有机框架（MOF）化合物的晶体学及物性研究
Craig Brown,Winnie Wong-Ng
Craig Brown
David R Black,Marcus H Mendenhall,Craig M Brown et al.
David R Black et al.
The National Institute of Standards and Technology (NIST) certifies a suite of Standard Reference Materials (SRMs) to evaluate specific aspects of instrument performance of both X-ray and neutron powder diffractometers. This report describe...
Density Functional Theory Meta GGA Study of Water Adsorption in MIL-53(Cr) [0.03%]
MIL-53(Cr)中铁基MOF材料的水吸附性能的meta-GGA研究
Eric Cockayne
Eric Cockayne
We use density functional theory meta-GGA TPSS+D3(BJ)+U+J calculations to investigate the energetics and geometry of water molecules in the flexible metal-organic framework material MIL-53(Cr) as a function of cell volume. The critical conc...
Poisson errors and adaptive rebinning in X-ray Powder Diffraction Data [0.03%]
泊松误差及X射线粉末衍射数据的自适应重组入леъ公开课视频与线下课堂教学的区别在于：公开课视频更注重知识的普及和分享，而线下课堂教学则更侧重于师生互动和个性化教学。
Marcus H Mendenhall
Marcus H Mendenhall
This work provides a short summary of techniques for formally-correct handling of statistical uncertainties in Poisson-statistics dominated data, with emphasis on X-ray powder diffraction patterns. Correct assignment of uncertainties for lo...
Certification of Standard Reference Material 1879b Respirable Cristobalite [0.03%]
SRM 1879b 呼吸性 cristobalite 标准参考材料定值报告
David R Black,Marcus H Mendenhall,Pamela S Whitfield et al.
David R Black et al.
The National Institute of Standards and Technology (NIST) certifies a suite of Standard Reference Materials (SRMs) to address specific aspects of the performance of X-ray powder diffraction instruments. This report describes SRM 1879b, the ...
Binding of Mn-deoxyribonucleoside triphosphates to the active site of the DNA polymerase of bacteriophage T7 [0.03%]
锰脱氧核糖核苷三磷酸与T7噬菌体DNA聚合酶活性中心的结合
Barak Akabayov,Charles C Richardson
Barak Akabayov
Divalent metal ions are crucial as cofactors for a variety of intracellular enzymatic activities. Mg2+, as an example, mediates binding of deoxyribonucleoside 5'-triphosphates followed by their hydrolysis in the active site of DNA polymeras...