Estimating Population for Dynamic Communities: A Short Method of Computing Intercensual and Postcensual Population

1933 ◽  
Vol 38 (4) ◽  
pp. 577-582
Author(s):  
Erle F. Young





1949 ◽  
Vol 110 (4) ◽  
pp. 315-335
Author(s):  
LOUIS A. GOTTSCHALK
Keyword(s):  


2015 ◽  
Vol 29 (2) ◽  
pp. 154-164 ◽  
Author(s):  
Scott J. Meiners ◽  
Marc W. Cadotte ◽  
Jason D. Fridley ◽  
Steward T. A. Pickett ◽  
Lawrence R. Walker


1884 ◽  
Vol 108 (24) ◽  
pp. 427-429 ◽  
Author(s):  
H. A. Howe


2021 ◽  
Author(s):  
◽  
Del Rajan

<p>In this thesis, we explore the subject of complex spacetimes, in which the mathematical theory of complex manifolds gets modified for application to General Relativity. We will also explore the mysterious Newman-Janis trick, which is an elementary and quite short method to obtain the Kerr black hole from the Schwarzschild black hole through the use of complex variables. This exposition will cover variations of the Newman-Janis trick, partial explanations, as well as original contributions.</p>





2011 ◽  
Vol 464 ◽  
pp. 730-735
Author(s):  
Yan Nian Rui ◽  
Xiao Mei Jiang ◽  
Kai Qiang Liu

How to master the technology innovation and method and technique in product exploitation, has been always one of the issues of research and discussion. Based on more than 40 years’ experiences of engagement in mechanical and electrical technology on product research, design, teaching, the author proposed and constructed "OF + N" theoretical method (for short: method of creating inventive and innovative topics) suitable for technological innovation and product development. Some innovative design was implemented using the theoretical method through years of research and probe.



2021 ◽  
Author(s):  
Zheng Li ◽  
Jian Shu ◽  
Yu Hanjie ◽  
Yan Wang ◽  
Xiameng Ren ◽  
...  

Abstract The oral microbiota is the direct precursor of dental caries and periodontitis, which are the most common microbial-induced diseases worldwide. The distinct microenvironment at the oral barrier breeds unique microbial communities, which are regulated by host factors (inflammation or dietary sugars)1. Increasing evidence indicates that dysbiosis of oral microbial communities is associated with many human diseases2-5. Our studies demonstrated that human disease could induce different alterations in salivary protein glycopatterns6. However, the relationship between salivary protein glycopatterns and oral microbial communities is unknown. Here, we report that altered salivary protein glycopatterns, namely, fucosylated or sialylated structures induced by gastric cancer (GC) or type 2 diabetes mellitus (T2DM), respectively, are also drivers of dysbiosis of oral microbial communities and ultimately dental caries and periodontitis. The fucosylated neoglycoproteins and sialic acid (SA) α2-3 galactose (Gal) structure can inhibit the growth or/and adhesion of Aggregatibacter segnis and Candida albicans from the oral cavity of patients with GC and T2DM, respectively. These findings provide a novel theory that dynamic communities of oral microbiota are regulated naturally by host salivary protein glycopatterns, having important implications for developing new carbohydrate drugs for oral and body health.



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