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Century-old problem solved with first-ever 3D atomic imaging of an amorphous solid(图)
Century-old problem solved first-ever 3D atomic imaging amorphous solid
2021/4/16
Glass, rubber and plastics all belong to a class of matter called amorphous solids. In spite of how common they are in our everyday lives, amorphous solids have long posed a challenge to scientists.Si...
Urinalysis for hydration assessment: an age-old problem
hydration assessment age-old problem
2018/11/30
Urinalysis has provided a noninvasive means of assessing human health for thousands of years. The daily volume of urine has been a proxy for water needs since the time of Galen of Pergamon (AD 129–200...
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Some 30 years ago, astronomers found that regions of ionized gas around young high mass stars remain small (under a third of a light-year) for ten times longer than they should if they were to expand ...
Comparing Normal Means: New Methods for an Old Problem
Bayes factor BRC comparison of normal means intrinsic discrepancy precise hypothesis testing reference prior two sided tests
2009/9/22
Comparing the means of two normal populations is an old problem
in mathematical statistics, but there is still no consensus about its most appro-
priate solution. In this paper we treat the problem ...
Dietary pattern analysis:a different approach to analyzing an old problem,cancer of the esophagus and stomach
Dietary pattern analysis different approach old problem cancer of the esophagus stomach
2016/12/17
The roles that some foods and dietary components may play in the etiology and pathogenesis of cancer of the esophagus and stomach have been recognized for several years. Most of the evidence for those...
New Methodological Aspects of the Old Problem. Laser Diagnostics of Dissolved Organic Matter
New Methodological Aspects the Old Problem Laser Diagnostics Dissolved Organic Matter
2014/4/15
New Methodological Aspects of the Old Problem. Laser Diagnostics of Dissolved Organic Matter.