نتایج جستجو برای: محلول nacl cacl2

تعداد نتایج: 48331  

Journal: :Crystals 2021

The electrochemical reduction process of ZnFe2O4 in NaCl-CaCl2 melts was studied. Thermodynamic analysis shows that the is carried out multiple steps, and it difficult to reduce Fe3+ Fe one step. Electrochemical tests revealed includes three steps: First, reduced two then Zn2+ Zn on Mo electrode a reversible controlled by diffusion, while an irreversible diffusion. influence electrolysis voltag...

2012
Seon-young Kim Carla Koretsky

Road salt deicers, especially NaCl and CaCl2, are increasingly applied to paved areas throughout the world. The goal of this study is to investigate the influence of high concentrations of these salts on wetland biogeochemistry. Sediment cores were collected in fall and spring from a freshwater wetland fringing an urban kettle lake (Asylum Lake, Kalamazoo, MI, USA), and incubated for 100 days i...

2011
Cory M. Widdifield David L. Bryce

The group 2 metal halides and corresponding metal halide hydrates serve as useful model systems for understanding the relationship between the electric field gradient (EFG) and chemical shift (CS) tensors at the halogen nuclei and the local molecular and electronic structure. Here, we present a 35/37Cl and 43Ca solid-state nuclear magnetic resonance (SSNMR) study of CaCl2. The 35Cl nuclear quad...

Journal: :Journal of neurophysiology 1998
M A Kloub G L Heck J A DeSimone

Rat chorda tympani (CT) responses to CaCl2 were obtained during simultaneous current and voltage clamping of the lingual receptive field. Unlike most other salts, CaCl2 induced negatively directed transepithelial potentials and gave CT responses that were auto-inhibitory beyond a critical concentration. CT responses increased in a dose-dependent manner to approximately 0.3 M, whereafter they de...

Journal: :Khulna University studies 2022

A pot experiment was conducted to evaluate the effect of salinity on growth and heavy metal uptake by maize (Zea mays) plant. The results study show that NaCl NaCl+CaCl2 treatments decreased plant (plant height, shoot weight root weight) significantly. proportion viable roots fresh declined with time. In contrast, enhanced length. increased accumulation Cd, Zn Cu in considerably both root.

1998
MAMOUN A. KLOUB JOHN A. DESIMONE Gerard L. Heck John A. DeSimone

Kloub, Mamoun A., Gerard L. Heck, and John A. DeSimone. Evidence suggests that the amiloride-insensitive component Self-inhibition in Ca-evoked taste receptors: a novel tool for (AIC) of the NaCl neural response arises from transduction functional dissection of salt taste transduction mechanisms. J. Neusites along the basolateral membranes of receptor cells, acrophysiol. 79: 911–921, 1998. Rat ...

Journal: :The Journal of General Physiology 1990
T Kumazawa K Kurihara

The effects of changed ionic environments on the canine taste responses to sugars were examined by recording the activity of the chorda tympani nerve. a) The responses to various sugars were greatly enhanced by the presence of salts having monovalent cations such as Na+, K+, choline+, or Tris+. The responses to sugars were suppressed by high concentrations of salts. (b) The presence of 100 mM N...

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