نتایج جستجو برای: precursor

تعداد نتایج: 67949  

Journal: :iranian journal of environmental sciences 0
r krishna sharma assistant professor, physics, mepcoschlenk engineering college, sivakasi, tamilnadu, india-626005 s nagaveena assistant professor,physics,kalasalingam university,krishnankovil,tamilnadu, india

surface ozone (surface o3)is a secondary pollutant and there are only limited studies on ozone in south india. studies have revealed a strong correlation between higher ozone levels and warmer days. surface o3 along with its precursors like no2, co and ch4 are being measured at kanyakumari (8.0780° n, 77.5410° e), tamilnadu, india and in this paper we present the summer time variation of ozone ...

Journal: :journal of nanostructures 2012
m. salavati-niasari s. alikhanzadeh-arani

as a new precursor, [tris(2-hydroxyacetophenato) triaqua(iii)], [y(hap)3(h2o)3]; complex was used in thermal decomposition process for the synthesis of rod-like high-temperature ceramic ybco with length of about 320-350 nm and diameters 60–90 nm. the as-synthesized products were characterized by xrd, ft-ir, tem, sem and edx analyses. the results showed that by using fine raw materials, the calc...

Journal: :international journal of nano dimension 0
a. nasirian iran university of science and technology, tehran, iran.

in this paper, we report on the synthesis of cu nanoparticles through a single-precursor route by controlling the growth temperature. selective adsorption of oleylamine on various crystal planes may play an important role in the growth process. the understanding of this self-assembling process will help us develop reliable and reproducible methods to synthesis other three dimensional nanostruct...

Journal: :journal of dentistry, tehran university of medical sciences 0
m. fallahinejad ghajari associate professor, department of pediatric dentistry, school of dentistry, shahid beheshti univers m. moshref associate professor, department of oral and maxillofacial pathology, school of dentistry, shahid beh elaheh taghipour postgraduate student, department of pediatric dentistry, school of dentistry, shahid beheshti univer

acute lymphoblastic leukemia (all) is the most prevalent hematological malignant tumor during childhood. unilateral infiltration into the gums is less prevalent and more often observed in the aml type. a 12-year-old girl with symptoms of pain and swelling in the buccal vestibule and also at the posterior part of the right palate of the maxilla was referred to a private dental office. the patien...

Journal: :journal of tethys 0

rise in temperature occurred after soil temperature was measured in different time series. in this article, ldf (logarithmic derivative filter) innovative method is applied to detect anomalies. this method tests soil temperature time series for 12 earthquakes in iran with magnitudes of either five or greater than five. results from this method were collected. based on the results of ldf method ...

Journal: :iranian journal of child neurology 0
adwait bhadbhade graduate student, department of biology, california state university, fresno, ca,usa davis weizhong cheng research associate professor, medical research infrastructure for minority institutions & department of biology, california state university, fresno, usa

how to cite this article: bhadbhade a, cheng dw. amyloid precursor protein processing in alzheimer’s disease. iranian journal of child neurology2012;6(1):1-5. alzheimer’s disease (ad) is a progressive neurodegenerative disorder and a leading cause of dementia. the ad is characterized by presence of intraneuronal tangles and extracellular plaques in the brain. the plaques are composed of dense a...

Journal: :journal of ultrafine grained and nanostructured materials 2015
aliakbar dehno khalaji

in this paper, plate-like nio nanoparticles were prepared by one-pot solid-state thermal decomposition of nickel (ii) schiff base complex as new precursor. first, the nickel (ii) schiff base precursor was prepared by solid-state grinding using nickel (ii) nitrate hexahydrate, ni(no3)2∙6h2o, and the schiff base ligand n,n′-bis-(salicylidene) benzene-1,4-diamine) for 30 min without using any solv...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2008
hassan hadadzadeh ali reza rezvani ali reza salehi rad elahe khozeymeh

alumina-supported cs3[re(c2o4)3] precursor has been synthesized  for preparation of re-cs/g-al2o3 catalyst. cs3[re(c2o4)3]  has been prepared from the reaction of recl3 with  h2c2o4.2h2o and cscl in water. the complex has been characterized by elemental analysis and various spectroscopy techniques such as ft-ir, uv-vis and 13c-nmr. the complex was supported on γ-al2o3 by column chromatography. ...

Journal: :journal of nanostructures 2012
m. dadkhah m. salavati-niasari n. mir

caco3 nanoparticles have been synthesized via heat-treatment of a new precursor and solid state reaction. effect of calcinations temperature and quantity of surfactant on particle size has been investigated. the products were characterized by x-ray diffraction (xrd), scanning electron microscopy (sem), transmission electron microscopy (tem) and fourier transform infrared (ft–ir) spectroscopy.

Journal: :iranian journal of medical sciences 0
zahra sourani department of immunology, school of medicine, shahrekord university of medical sciences, shahrekord, iran batoul pourgheysari medical plants research center, school of medicine, shahrekord university of medical sciences, shahrekord, iran pezhman beshkar cellular and molecular research center, shahrekord university of medical sciences, shahrekord, iran hedayatollah shirzad department of immunology, school of medicine, shahrekord university of medical sciences, shahrekord, iran moein shirzad clinical biochemistry research center, shahrekord university of medical sciences, shahrekord, iran

abstract leukemia is known as the world’s fifth most prevalent cancer. new cytotoxic drugs have created considerable progress in the treatment, but side effects are still the important cause of mortality. plant derivatives have been recently considered as important sources for the treatment of various diseases, including cancer. gallic acid (ga) is a polyhydroxyphenolic compound with a wide ran...

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