... AM Excerpted from For Men Only, Revised and Updated Edition by Shaunti and Jeff Feldhahn Copyright © 2013 by Shaunti and Jeff Feldhahn. Excerpted by permission of Multnomah Books, a division of Random ... 1973, 1978, 1984 by Biblica Inc.™ Used by permission of Zondervan. All rights reserved worldwide. www.zondervan.com. The Holy Bible, English Standard Version, copyright © 2001...
Ngày tải lên: 14/03/2014, 18:20
... induction of cell cycle arrest and apoptosis. We have investigated its effects on cell cycle regulation using a gastric cancer cell line, AGS. The effects of CKBM on cell proliferation, cell cycle ... AGS cells were seeded in a 6-well plate at a density of 1.2 x 10 6 cells/well. After 2, 4 or 6 hr of CKBM treatment at a concentration of 5, 10 or 15 % v/v, cells were trypsinized...
Ngày tải lên: 02/11/2012, 11:12
A CFD study of hygro-thermal stresses distribution in tubular-shaped ambient air-breathing PEM micro fuel cell during regular cell operation
... membranes used in fuel cells is a major factor in the operating lifetime of fuel cell systems. The stresses distribution in the fuel cells is affected by operating point (cell voltage and related ... in PEM fuel cell design is a tubular-shaped fuel cell. Fuel cell companies and research institutes may have carried out various systematic experimental studies for this t...
Ngày tải lên: 05/09/2013, 14:58
Modeling optimizes PEM fuel cell durability using threedimensional multi-phase computational fluid dynamics model
... proton exchange membrane (PEM) fuel cell are accelerated by mechanical stresses arising during fuel cell assembly (bolt assembling), and the stresses arise during fuel cell running, because it consists ... to a fuel cell durability under various operating conditions. Optimization study of a PEM fuel cell durability has been performed. To achieve long cell life, the...
Ngày tải lên: 05/09/2013, 14:58
Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones
... the cell performance. Such fuel cells have the potential to be significantly cheaper, smaller, and lighter than planar plate and frame fuel cells; they could also broaden the range of fuel cell ... performance of air-breathing fuel cells. However, these fuel cell designs have generally relied on traditional planar MEA architecture. Because the majority of PEM fuel cell...
Ngày tải lên: 05/09/2013, 14:58
Mechanical behaviour of PEM fuel cell catalyst layers during regular cell operation
... a proton exchange membrane fuel cell are accelerated by mechanical stresses arising during fuel cell assembly (bolt assembling), and the stresses arise during fuel cell running, because it consists ... a tolerance to fuel impurities in the reformate feed. An important part of the fuel cell is the electrolyte, which gives every fuel cell its name. At the core of a P...
Ngày tải lên: 05/09/2013, 14:58
A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell
... air-breathing PEM fuel cell stack is also shown in Figure (1b). The cathode side of the cell is directly open to ambient air. The oxygen needed by the fuel cell reaction is transferred by natural convection ... M., Sundholm, F., Sundholm, G., Walsby, N. Membrane Durability in a PEM Fuel Cell Studied Using PVDF Based Radiation Grafted Membranes Fuel Cells. Fuel Cells...
Ngày tải lên: 05/09/2013, 14:58
Novel design of a disk-shaped compacted micro-structured air-breathing PEM fuel cell
... almost instantaneous refuelling (as opposed to the recharging time required by batteries). The viability of PEM fuel cells as battery replacements requires that PEM fuel cells undergo significant ... performance of air-breathing fuel cells. However, these fuel cell designs have generally relied on traditional planar MEA architecture. Because the majority of PEM fuel cell d...
Ngày tải lên: 05/09/2013, 14:58
Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model
... M.; Sundholm, F.; Sundholm, G.; Walsby, N. Membrane durability in a PEM fuel cell studied using PVDF based radiation grafted membranes fuel cells. Fuel Cells 2003; 3(1-2): 21-27. [5] Maher ... damage mechanisms in a PEM fuel cell are accelerated by mechanical stresses arising during fuel cell assembly (bolt assembling), and the stresses arise during fuel cell runnin...
Ngày tải lên: 05/09/2013, 14:58