نتایج جستجو برای: ether

تعداد نتایج: 21758  

Journal: :The Journal of the Society of Chemical Industry, Japan 1952

Journal: :Advances in image and video processing 2021

The "zero result" of Michelson Morley's experiment was not enough to deny the existence a fifth element---ether, as conceived by Aristotle. Hubble's explanation Doppler effect systematic cosmic red shift incomplete and needed be introduced into ether.The physical significance universal gravitation constant reveals possibility ether. After much thought logical reasoning, there is good reason thi...

Journal: :iranian journal of hydrogen & fuel cell 2014
paria amirshaghaghi ali eliassi majid taghizadeh

hydrogen was produced by steam reforming of dimethyl ether (dme) using a physical mixture of commercial hzsm-5 zeolite (for dme hydrolyzing) and cu/zno/al2o3 (for methanol steam reforming) as a catalyst in a fixed bed reactor. the experiments were performed at atmospheric pressure and in a temperature range from 270 to 310 °c. the effects of feed temperature and gas hourly space velocity (ghsv)...

Journal: :journal of physical & theoretical chemistry 2004
h. aghaie m. giahi1 giahi m. aghaei m. arvand3

we found that dibenzo-18-crown-6 (db18c6) can be used as an ionophore to make a tin (ii)-ionselectivemembrane electrode. the electrode exhibits a near nernstian response for sn2+ ions over aconcentration range from 1.0× 10-6 – 1.0× 10-2 m with a slope of 27.5 ± 0.6 mv per concentration decadein an acidic solution (ph=1). the limit of detection was 8.0× 10-7 m. it has a response time of < 20s an...

Journal: :iranian journal of public health 0
a nikpey m nikpey

methyl tert-butyl ether (mtbe), a gasoline octane enhancer, was introduced as a substitute for lead tetraethyl over 30 years ago. widespread use of mtbe in gasoline, has introduced mtbe into the environment compartments, mostly into the under ground and surface water and water as a second most frequently detected contaminant. in this study, we have isolated pure cultures from bacterial consorti...

2008
Ilja Schmelzer

The paper is an introduction into General Ether Theory (GET). We start with few assumptions about an universal " ether " in a New-tonian space-time which fulfils

Journal: :Journal of Materials Processing Technology 2014

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