Results 1 to 10 of about 3,774,465 (361)

Detection of an Extrasolar Planet Atmosphere [PDF]

Astrophys.J.568:377-384,2002, 2001
We report high precision spectrophotometric observations of four planetary transits of HD 209458, in the region of the sodium resonance doublet at 589.3 nm.
Brown T. M., David Charbonneau, Gonzalez G., Queloz D., Queloz D., Rauer H., Robert W. Noyes, Ronald L. Gilliland, Timothy M. Brown   +8 more
core   +2 more sources

Sodium Atoms in the Lunar Exotail: Observed Velocity and Spatial Distributions [PDF]

, 2011
The lunar sodium tail extends long distances due to radiation pressure on sodium atoms in the lunar exosphere. Our earlier observations measured the average radial velocity of sodium atoms moving down the lunar tail beyond Earth (i.e., near the anti ...
E.J. Mierkiewicz, F.L. Roesler, Haffner, Huebner, J.K. Wilson, L.M. Haffner, Lee, Matta, Mendillo, Michael R. Line, Mierkiewicz, Mierkiewicz, Potter, Press, R.J. Oliversen, Smith, Stern, Tyler, Wilson, Wilson   +19 more
core   +5 more sources

Hyponatremia and Oxidative Stress

Antioxidants, 2021
Hyponatremia, i.e., the presence of a serum sodium concentration ([Na+]) < 136 mEq/L, is the most frequent electrolyte imbalance in the elderly and in hospitalized patients. Symptoms of acute hyponatremia, whose main target is the central nervous system,
Benedetta Fibbi, Giada Marroncini, Cecilia Anceschi, Laura Naldi, Alessandro Peri   +4 more
doaj   +1 more source

Electrochemical Synthesis of Functionalized Graphene/Polyaniline Composite Using Two Electrode Configuration for Supercapacitors

Nanomaterials, 2023
An effective approach for the large-scale fabrication of conducting polyaniline (PANI) using in situ anodic electrochemical polymerization on nickel foam which had been coated in aryl diazonium salt (ADS)-modified graphene (ADS-G).
Dongsheng Yu, Jili Li, Tiekun Jia, Binbin Dong, Zhixiao Han, Wenjie Tian, Ruilin Jiang, Xi Lu, Lekang Li   +8 more
doaj   +1 more source

Efficient Oxygen Vacancy Defect Engineering for Enhancing Visible-Light Photocatalytic Performance over SnO_2−x Ultrafine Nanocrystals

Nanomaterials, 2022
Regardless of its good electron-transfer ability and chemical stability, pure Zn2SnO4 (ZSO) still has intrinsic deficiencies of a narrow spectral response region, poor absorption ability, and high photo-activated carrier recombination rate.
Tiekun Jia, Chenxi Sun, Nianfeng Shi, Dongsheng Yu, Fei Long, Ji Hu, Jilin Wang, Binbin Dong, Jili Li, Fang Fu, Shujing Hu, Joong Hee Lee   +11 more
doaj   +1 more source

Serum sodium and potassium levels in mothers with term and preterm delivery: a case-control study [PDF]

Majallah-i Zanān, Māmā̓ī va Nāzā̓ī-i Īrān, 2022
Introduction: Preterm labor is a common concern of the World Health Organization. Studies have shown that Potassium and sodium channels in the smooth muscles of the uterus are involved in causing uterine contractions.
Haniye Gohari, Roghaieh Rahmani Bilandi, Abasali Abasnezad, Azamsadat Mahmodian   +3 more
doaj   +1 more source

Novel Fabrication Processing of Porous Al₂O₃/CaAl₁₂O₁₉ Membrane by Combining Emulsion, Cement Curing and Tape-Casting Methods

Membranes, 2022
This paper presented an innovative method for fabrication of a porous Al2O3/CaAl12O19 ceramic membrane by combining emulsion method, cement curing and tape-casting technologies.
Li Wang, Binbin Dong, Zhiyu Min, Li Guan, Xichen Zheng, Qingfeng Wang, Chaofan Yin, Rui Zhang, Feihong Wang, Hamidreza Abadikhah, Xin Xu, Gang Wang, Bo Yuan, Daoyuan Yang   +13 more
doaj   +1 more source

Nitrogen and Sulfur Dual‐Doped Oxygen‐Deficient TiO2/C Composites for Superior Sodium Storage Properties

ChemElectroChem, 2023
Sodium‐ion batteries (SIBs) have been considered as promising replacements to lithium‐ion batteries (LIBs) for large‐scale energy storage applications.
Weifang Liu, Baixue Ouyang, Xichang Liu, Mengjie Zhang, Mengwei Pan, Puliang Li, Huacheng Li, Prof. Kaiyu Liu   +7 more
doaj   +1 more source

Short term minutes-time scale temporal variation statistics of sodium layer dynamics [PDF]

, 2021
The brightness and height of the sodium laser guide star of adaptive optics could vary significantly due to the temporal dynamics of sodium column density and the mean height of sodium layer. To measure these dynamics, an independent sodium Lidar is a necessity.
arxiv   +1 more source

Association between serum sodium and in-hospital mortality among critically ill patients with spontaneous subarachnoid hemorrhage

Frontiers in Neurology, 2022
ObjectiveThe aim of this study was to retrospectively explore the relationship between serum sodium and in-hospital mortality and related factors in critically ill patients with spontaneous subarachnoid hemorrhage (SAH).MethodsData were collected from ...
Dongcai Jin, Shaofeng Jin, Bingyang Liu, Yi Ding, Fen Zhou, Yuhong Jin   +5 more
doaj   +1 more source