Results 31 to 40 of about 531,090 (265)
Quantitative analysis and mathematic modeling of the global outbreak of COVID-19
The coronavirus pandemic is the biggest in the past 100 years, affected over 200 countries and killed over 300 thousand people. To better understand the epidemics in different areas, the progress percentage was generated in this study by dividing ...
Yanyan Jiang +3 more
doaj +1 more source
Inflation is one of the variables in the macro economy that can affect people's welfare and is defined as a complex phenomenon due to general and continuous price increases.
Desy Yuliana Dalimunthe +4 more
doaj +1 more source
Projects, Project Capabilities and Project Organizations [PDF]
This chapter clarifies our understanding of the project-based firm (PBF) by sharpening the theoretical foundations of project capabilities. It emphasizes the differences between project capabilities that eliminate variance in project outcomes (to control costs and add value) and economies of scale that reduce costs across multiple projects.
Nightingale, P. +2 more
openaire +2 more sources
Study on Gamma Spectrum Stabilization Method for SiPM-GAGG(Ce) Detector
Silicon photomultiplier (SiPM) is a new type of photoelectric conversion device with high gain and low power consumption since the 21st century. It consists of thousands of single photon avalanche diodes (SPADs) operating in Geiger mode connected in ...
LEI Wenming;LI Jinglun;AI Xianyun;XIAO Wuyun;ZHANG Jipeng;XIAO Xiong;ZHANG Bin;ZHAO Wei;WANG Ying
doaj
DOA Estimation for Highly Correlated and Coherent Multipath Signals with Ultralow SNRs
In a typical multipath propagation environment, there exists a strong direct path signal accompanying with several weak multipath signals. Due to the strong direct path interference and other masking effects, the Direction-of-Arrival (DOA) of a weak ...
Li Cheng +3 more
doaj +1 more source
Exploration of Weak Peak Detection Method Based on Gamma Spectra Deconvolution
To improve the analytical performance of low resolution gamma spectrometers, a new method based on spectrum deconvolution to detect weak peaks was put forward.
SONG Yiming, ZHOU Qianqian, CHEN Ye, LIU Dahai, ZHOU Hongzhao, XIAO Wuyun
doaj +1 more source
ABSTRACT Background PIK3CA‐related overgrowth spectrum (PROS) includes several rare overgrowth disorders resulting from somatic gain‐of‐function mutations in PIK3CA. Despite treatment advances, including the recent approval of alpelisib for PROS in the United States, literature detailing the patient experience with PROS is limited.
Vamsi Bollu +8 more
wiley +1 more source
Projective Connections and Projective Transformations [PDF]
The main purpose of the present paper is to establish a theorem concerning the relation between the group of all projective transformations on an affinely connected manifold and the group of all affine transformations.
openaire +2 more sources
Extent of Saltwater Intrusion and the Freshwater Exploitability in the Coastal Vietnamese Mekong Delta. A Case Study in Ham Luong estuary [PDF]
Climate change-driven sea level rise has intensified saltwater intrusion in deltas worldwide, posing significant threats to the exploitation of freshwater resource.
Bich Thuc Pham Thi +4 more
doaj +1 more source
The Mesoscopic Connectome of the Cholinergic Pontomesencephalic Tegmentum
The pontomesencephalic tegmentum, comprising the pedunculopontine nucleus and laterodorsal tegmental nucleus, is involved in various functions via complex connections; however, the organizational structure of these circuits in the whole brain is not ...
Peilin Zhao +9 more
doaj +1 more source

