نتایج جستجو برای: salts

تعداد نتایج: 27779  

2015
Ikumi Oyabu Yoshinori Iizuka Hubertus Fischer Simon Schüpbach Gideon Gfeller Anders Svensson Manabu Fukui Jørgen Peder Steffensen Margareta Hansson

This study reports the chemical composition of particles present along Greenland’s North Greenland Eemian Ice Drilling (NEEM) ice core, back to 110,000 years before present. Insoluble and soluble particles larger than 0.45μm were extracted from the ice core by ice sublimation, and their chemical composition was analyzed using scanning electron microscope and energy dispersive X-ray spectroscopy...

2014
Erik Fischer Germán M Martínez Harvey M Elliott Nilton O Rennó

Evidence for deliquescence of perchlorate salts has been discovered in the Martian polar region while possible brine flows have been observed in the equatorial region. This appears to contradict the idea that bulk deliquescence is too slow to occur during the short periods of the Martian diurnal cycle during which conditions are favorable for it. We conduct laboratory experiments to study the f...

2013
Jinman Wang Zhongke Bai Peiling Yang

The byproducts of flue gas desulfurization (BFGD) are a useful external source of Ca(2+) for the reclamation of sodic soils because they are comparatively cheap, generally available and have high gypsum content. The ion solution composition of sodic soils also plays an important role in the reclamation process. The effect of BFGD on the soluble salts composition and chemical properties of sodic...

Journal: :The Journal of General Physiology 1945
W. F. H. M. Mommaerts

THE RESULTS OF THE STUDY OF THE INHIBITING EFFECT OF NEUTRAL SALTS UPON THE CLOTTING TENDENCY OF FIBRINOGEN BY THROMBIN MAY BE SUMMARISED AS FOLLOWS: Salts like NaCl and KCl inhibit only weakly. Salts of the same cation (K(*)) with monovalent anions of different ionic radius are the more active the larger the anion (Cl',Br',I'). Salts of the same cation with anions of different valency are the ...

Journal: :British journal of industrial medicine 1958
J M BARNES H B STONER

Work reported in recent years from this laboratory has outlined the general features of poisoning in animals given diand trialkyl tin salts (Stoner, Barnes, and Duff, 1955). More detailed accounts of the cerebral oedema produced by triethyl tin in rats (Magee, Stoner, and Barnes, 1957) and the bile duct and liver lesions produced by dibutyl tin salts in rats and mice have also been prepared (Ma...

Journal: :J. Chem. Soc., Trans. 1898

Journal: :Nature 1975

Journal: :Journal of the American Chemical Society 1905

ژورنال: Medical Laboratory Journal 2016
Ahani Azari , Ania, Nayeri Fasaei , Bahar, Zahraei Salehi , Taghi,

ABSTRACT         Background and Objective: In this study, we compared the susceptibility of Salmonella typhimurium phoP mutant and its parent to stress conditions that the pathogen may encounter in a host.         Methods: For this purpose, we used the phoP deletion mutant constructed in our previous study. In order t...

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