نتایج جستجو برای: steam activation

تعداد نتایج: 446819  

2012
Adam Charchalis Jerzy Krefft

The economizers are used for production of steam heating on en route ships. The economizers are producing steam in a heat exchange process from the ship’s main engine exhaust gas. Products of the incomplete combustion of the heavy fuel oil remaining in engines, passing the boiler, collect on the heat exchange surface of the economizer. When the incorrect assumptions are made for the boiler oper...

2014
Leslie V. Woodcock L. V. Woodcock

A revised phase diagram for water shows three distinct fluid phases. There is no continuity of liquid and gas, and no “critical point” on Gibbs’ density surface as hypothesized by van der Waals. A supercritical colloidal mesophase bounded by percolation transition loci separates supercritical liquid water and gas-phase steam. The water phase is bounded by a percolation transition (PA) of availa...

2015
Maria Bolshakova Claudia Sanchez Sarah Sherman

This study assessed whether five hypothesized requirements for goal achievement predicted participants' success or failure in achieving a goal. Amazon Mechanical Turk users (n=182) were randomly assigned either to identify a recent goal they had accomplished or failed to accomplish. These hypothesized requirements were derived from prior research and include sufficient social support, time avai...

2002
Joseph S. Meyer Greg Linder

Exhaustive steam distillation extracted several intermediate molecular weight organic chemicals effectively from rainbow trout, but a high molecular weight organic, benzo[a]pyrene, was not extracted. Fish lipids that do not steam-distill appear to retain extremely lipophilic organics in the boiling flask. Therefore, exhaustive steam distillation should be used cautiously in screening effluents ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم انسانی و اجتماعی 1392

most specialists in the field of foreign language teachingconsiderreading skill as an interactive process between the reader’s prior knowledge and the text.accordingly, the activation of prior knowledge for an effective comprehension is very important. it is generally agreed that the pre-reading phase is the stage where this type of interaction and activation may be enhanced throughcertain stra...

2017
D B Prosvirnikov R G Safin

The article presents the mechanization of the process for obtaining powdered cellulose using the technology of steam explosion treatment of lignocellulosic material. The presented unit combines the methods of steam explosion treatment and acid hydrolysis of cellulose-containing raw materials.

2015
Mohamed Sabry Mouaaz Nahas Saud H. Al-Lehyani

Solar energy is a good solution for energy-deficiency problems, especially in regions such as rural areas in the Middle East that have not been electrified yet or are under electrification. In this paper, with the aid of a Computational Fluid Dynamics simulation, we propose a system that comprises a trough solar concentrator and a pipe—with flowing water—that is set in the concentrator focus. T...

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