نتایج جستجو برای: calcium nitrate tetrahydrate

تعداد نتایج: 199911  

Journal: :international journal of environmental research 0

ground water samples from different upazilas of sunamganj district have been analyzed for drinking and irrigation purposes. correlation coefficients among different parameters were determined. an attempt has been made to develop linear regression equations to predict the concentration of water quality constituents having significant correlation coefficients with electrical conductivity (ec). ca...

Journal: :iranian journal of toxicology 0
rubi rai department of zoology, d.d.u. gorakhpur university, gorakhpur, india. diwakar mishra department of zoology, government girls p.g. college, ghazipur (u.p.), india. sunil kumar srivastav department of zoology, d.d.u. gorakhpur university, gorakhpur, india. nobuo suzuki noto marine laboratory, institute of nature and environmental technology, kanazawa university, ogi, noto-cho, ishikawa, japan. ajai kumar srivastav department of zoology, d.d.u. gorakhpur university, gorakhpur, india.

background: the present study investigated the effects of lead nitrate on the histo-cytological changes in the corpuscles of stannius (cs) of heteropneustes fossilis. methods: catfish, heteropneustes fossilis were subjected to 657.6 mg/l and 164.4 mg/l of lead nitrate for 96 h and 28 days, respectively. blood from fish was collected on 24, 48, 72 and 96 h in short-term and after 7, 14, 21, and ...

Journal: :Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry 1977

Journal: :Advanced materials 2013
Giulia Lorusso Mark Jenkins Pablo González-Monje Ana Arauzo Javier Sesé Daniel Ruiz-Molina Olivier Roubeau Marco Evangelisti

An excellent molecule-based cryogenic magnetic refrigerant, gadolinium acetate tetrahydrate, is here used to decorate selected portions of silicon substrate. By quantitative magnetic force microscopy for a variable applied magnetic field near liquid-helium temperature, the molecules are demonstrated to hold their magnetic properties intact, and therefore their cooling functionality, after their...

Journal: :journal of sciences islamic republic of iran 0

a simple and efficient procedure for converting a variety of 1,1-diacetates into the corresponding aldehydes was developed. the methodology has been done with zirconium sulfate tetrahydrate-silica gel as catalyst. the temperature plays an important role in these reactions. the phenolic acetate function can selectively be deprotected into phenol.

Journal: :Acta Crystallographica Section E Structure Reports Online 2009

2015
R Lakshmi S Sasikumar

In the past 2 decades, wollastonite has been studied thoroughly for its application as a bone implant material due to its biocompatibility, high mechanical strength, and excellent bioactivity when compared to calcium phosphates bioceramics. Wollastonite was prepared through the low-temperature sol-gel combustion method using urea as the fuel, nitrate ions and nitric acid as the oxidizer. Calciu...

Journal: :Journal of environmental quality 2002
Timothy B Spruill William J Showers Stephen S Howe

A study was conducted to determine if nitrate sources in ground water (fertilizer on crops, fertilizer on golf courses, irrigation spray from hog (Sus scrofa) wastes, and leachate from poultry litter and septic systems) could be classified with 80% or greater success. Two statistical classification-tree models were devised from 48 water samples containing nitrate from five source categories. Mo...

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