using surface analysis, simultaneous effects of temperature (260-380ºc) and ethanol concentration (0-1%) on dimethyl ether (dme) selectivity, yields of hydrocarbon and dme, and methanol conversion were investigated in methanol dehydration reaction over γ-al2o3 catalyst. methanol conversion and yield of hydrocarbon/dme were found to be significantly affected by temperature and the temperature-et...

Using surface analysis, simultaneous effects of temperature (260-380ºC) and ethanol concentration (0-1%) on dimethyl ether (DME) selectivity, yields of hydrocarbon and DME, and methanol conversion were investigated in methanol dehydration reaction over γ-Al2O3 catalyst. Methanol conversion and yield of hydrocarbon/DME were found to be significantly affected by temperature and the temperature-et...

PURPOSE To estimate the short-term variability of macular thickness in eyes with refractory and regressed diabetic macular edema (DME). METHODS In this retrospective review of consecutive cases from a retina practice, optical coherence tomography (OCT) measurements of macular thickness were extracted from the clinical charts of patients with refractory DME and regressed DME. Variation in macu...

Recently, dimethyl ether (DME) has been paid much attention as a clean fuel. DME has many advantages as a substitute for liquefied petroleum gas (LPG). Sulfur oxides (SOx), and particulate matters (PM) are not produced at the combustion. Infrastructures and equipments for LPG can be used with slight improvements, because physical properties of DME are similar to those of light hydrocarbons, pro...

Purpose Photoreceptor loss has been suspected of being involved in incomplete visual recovery after diabetic macular edema (DME) resolution. Recent studies have shown that cone density in the perifoveal area could be estimated by in vivo measurements of the outer retinal reflectivity on optical coherence tomography (OCT). The main objective of this study was to assess the photoreceptor layer re...

Dimethyl Ether (DME) has been attracting attention as an alternative fuel for diesel engines because it can be produced from various feed stocks and does not create smoke. On the other hand, a DME truck require a large volume fuel tank in order to obtain the running distance equivalent to diesel trucks due to the lower energy content per unit volume of DME, and un-burned gas and fuel consumptio...

Diabetic macular edema (DME) is the main cause of visual loss associated with diabetes but any association between DME and cardiovascular events is unclear.This study aims to describe the possible association between DME and cardiovascular events in a multicenter cross-sectional study of patients with type 2 diabetes.Two thousand eight hundred seven patients with type 2 diabetes were recruited ...

Diabetes is one of the leading public health problems worldwide. Diabetic macular edema (DME) is the main cause of vision loss in patients with diabetes. Ideal metabolic control of diabetes is the primary goal of treatment and the basic way of preventing and stopping the progression of DME. Although laser photocoagulation has been the standard treatment of DME for nearly three decades, superior...

The Arabidopsis DEMETER (DME) DNA glycosylase is required for the maternal allele expression of imprinted Polycomb group (MEDEA and FIS2) and transcription factor (FWA) genes in the endosperm. Expression of DME in the central cell, not in pollen or stamen, establishes gene imprinting by hypomethylating maternal alleles. However, little is known about other genes regulated by DME. To identify pu...