Results 81 to 90 of about 14,589 (189)

Calibration of shrinkage estimators for portfolio optimization [PDF]

Shrinkage estimators is an area widely studied in statistics. In this paper, we contemplate the role of shrinkage estimators on the construction of the investor's portfolio.
Alberto Martín Utrera, Francisco J. Nogales, Victor DeMiguel   +2 more
core  

Stress‐Related Brain Alterations in Chronic Pain

European Journal of Pain, Volume 29, Issue 6, July 2025.
ABSTRACT Background Stress symptoms are commonly experienced by people with chronic pain. Although stress and chronic pain are associated with similar effects on brain morphology, the present study aims to clarify the relationship between stress severity, chronic pain, and brain morphology.
Yann Quidé, Negin Hesam‐Shariati, Nell Norman‐Nott, James H. McAuley, Sylvia M. Gustin   +4 more
wiley   +1 more source

Novel Pathogenic Strain of Watermelon mosaic virus Occurred on Insam (Panax ginseng)

Research in Plant Disease, 2013
A disease, supposedly caused by a virus, was observed from Insam (Panax ginseng) fields of Punggi in year 2006. It has long believed to be a physiological disorder. However, the incidence of the disease has increased every year.
Won-Kwon Jung, Jin Kook Choi, Tae Ryong Kwon, Moon Nam, Joo Hee Lee, Mi-Kyeong Kim, Hong-Soo Choi, Jun Seong Lee, Chung Youl Park, Byoung Hoon Kim, Eun Hye Park, Min-A Lee, Key-Woon Lee, Su-Heon Lee, Jeong-Soo Kim   +14 more
doaj  

White Matter Hyperintensities of Bilateral Lenticular Putamen in Patients with Proliferative Diabetic Retinopathy: A Voxel‐based Morphometric Study

Diabetes, Metabolic Syndrome and Obesity, 2021
Ang Xiao,1,* Qian-Min Ge,1,* Hui-Feng Zhong,2 Li-Juan Zhang,1 Hui-Ye Shu,1 Rong-Bin Liang,1 Yi Shao,1 Qiong Zhou1 1Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Jiangxi Province Ocular Disease Clinical ...
Xiao A, Ge QM, Zhong HF, Zhang LJ, Shu HY, Liang RB, Shao Y, Zhou Q   +7 more
doaj  

Volumetric Brain Morphometry Changes in patients with Obstructive Sleep Apnea Syndrome : effects of CPAP treatment and literature review.

Frontiers in Neurology, 2014
Introduction: Obstructive sleep apnea syndrome (OSAS) is a frequent breathing disorder occurring during sleep that is characterized by recurrent hypoxic episodes and sleep fragmentation.
Nelly T Huynh, Nelly T Huynh, Olga ePrilipko, Clete A Kushida, Christian eGuilleminault   +4 more
doaj   +1 more source

Heranca da tolerancia de melancia aos virus do mosaico amarelo da abobrinha-de-moita e do mosaico da melancia-2. [PDF]

, 2011
A heranca da tolerancia da introducao de melancia BT-8501 aos virus do mosaico amarelo da abobrinha-de-moita (ZYMV) e do mosaico da melancia-2 (WMV-2) foi determinada atraves da inoculacao mecanica de plantas das geracoes parentais, F1, F2 e ...
PAVAN, M. A., SILVA, N. da, SITTOLIN, I. M.   +2 more
core  

Attenuated Isolate of Watermelon Mosaic Virus (WMV-2) and Its Cross Protection against Virulent Isolate.

Japanese Journal of Phytopathology, 1992
Attenuated isolates of watermelon mosaic virus 2 (WMV-2) were obtained by local lesion selection on Chenopodium quinoa after the treatments of partially purified materials of WMV-2 (W-80) with ultraviolet irradiation and nitrous acid. Squash, cucumber, muskmelon and watermelon seedlings inoculated with one of the isolates designated WI-9 remained ...
Mitsuro KAMEYA-IWAKI, Hiroshi TOCHIHARA, Kaoru HANADA, Hiroaki TORIGOE   +3 more
openaire   +2 more sources

Insights into the early transcriptomic response against watermelon mosaic virus in melon

BMC Plant Biology
Background Watermelon mosaic virus (WMV) is one of the most prevalent viruses affecting melon worldwide. Recessive resistance to WMV in melon has previously been reported in the African accession TGR-1551.
María López-Martín, Javier Montero-Pau, Guillem Ylla, María Luisa Gómez-Guillamón, Belén Picó, Ana Pérez-de-Castro   +5 more
doaj   +1 more source

Associations of ambient air pollution exposure and sleep pattern with brain structures: A prospective study in the UK Biobank

Ecotoxicology and Environmental Safety
Background: Previous studies have shown associations between exposure to air pollution (AP) and total gray matter volume (GMV) and total white matter volume (WMV).
Ting Song, Xiyin Qiu, Jialong Wu, Huan Xu, Juying Zhang, Bing Guo, Xing Zhao   +6 more
doaj   +1 more source

Joint Distribution pada Weighted Majority Vote (WMV) untuk Peningkatan Kinerja Sentiment Analysis Tersupervisi pada Dataset Twitter

Jurnal Teknologi Informasi dan Ilmu Komputer, 2022
Sentiment analysis adalah teknik komputasi text mining berbasis natural language processing (NLP) untuk mengekstraksi pendapat seseorang yang diungkapkan dalam platform online, termasuk dalam platform microblogging Twitter, salah satu platform microblogging yang paling popular digunakan di Indonesia.
openaire   +2 more sources