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| 1 | Influence of wet activation of used inorganic binder on cyclically refreshed water glass moulding sands hardened by microwaves显示文摘The paper presents the research results of using an innovative method to reclaim the waste moulding sands containing water glass. Two of the examined processes are connected with 'dry' or 'wet' activation of inorganic binder in waste moulding sand mixtures physically hardened by microwave radiation. The sand mixtures consisting of high-silica sand and water-glass with average molar module 2.5, were subjected to the following cyclical process: mixing the components, compacting, microwave heating, cooling-down, thermally loading the mould to 800 °C, cooling-down to ambient temperature, and knocking-out. After being knocked-out, the waste moulding sands were subjected to either dry or wet activation of the binder. To activate thermally treated inorganic binder, each of the examined processes employed the surface phenomenon usually associated to mechanical reclamation. The study also covered possible use of some elements of wet reclamation to rehydrate waste binder. To evaluate the effectiveness of the two proposed methods of waste binder activation, selected strength and technological parameters were measured. After each subsequent processing cycle, the permeability, tensile strength and bending strength were determined. In addition, the surface of activated sand grains was examined with a scanning electron microscope. Analysis of the results indicates that it is possible to re-activate the used binder such as sodium silicate, and to stabilize the strength parameters in both activation processes. Permeability of the refreshed moulding sands strongly depends on the surface condition of high-silica grains. The wet activation process by wetting and buffering knocked-out moulding sands in closed humid environment makes it possible to reduce the content of refreshing additive in water-glass. The moulding sands cyclically prepared in both processes do not require the addition of fresh high-silica sand. The relatively high quality achieved in the refreshed moulding sands allows them to be reused for manufacture of next moulds. Thus, the two proposed methods for cyclically processing used moulding sands containing sodium silicate, subject to microwave hardening, are suitable for economic and ecological circulation moulding mixtures. | Mateusz Stachowicz Kazimierz Granat | 2016 | China Foundry2016，13，6： | 3 |
| 2 | Functional electric- stimulation to augment partial weight-bearing supported treadmill training for patients with acute incomplete spinal cord injury: A pilot study显示文摘 | Postans NJ Hasler JP Granat MH | 2004 | Arch Phys Med Rehabil2004，85，4： | 1 |
| 3 | MRI fuzzy segmentation of brain tissue using neighborhood attraction with neural-network optimization显示文摘 | SHEN S SANDHAM W GRANAT M | 2005 | IEEE T Inf Teehnol Biomed2005，9，3： | 1 |
| 4 | Effect of functional electrical stimulation,applied duringwalking,on gait in spastic cerebral palsy显示文摘 | POSTANS N J GRANAT M H | 2005 | Dev Med Child Neurol2005，47，1： | 1 |
| 5 | Suifation phenomena in fluidized bed combustion systems显示文摘 | ANTHONY E J GRANAT STEIN D L | 2001 | Prog Energy Combust Sci2001，，27： | 1 |
| 6 | Hippocampal sclerosis and temporal lobe epilepsy: a MRI study (Fren)显示文摘 | Baulac M Granat O Gao X | 1991 | Epilepsia1991，3，： | 1 |
| 7 | Regional background acidity and chemical composition of precipitation in Thailand 显示文摘 | GRANAT L SUKSOMSANKH K SIMACHAYA S | 1996 | Atmospheric Environment1996，30，1011： | 1 |
| 8 | Prevention of shoulder subluxation after stroke with electrical stimulation显示文摘 | Linn SL Granat MH Lees KR | | 0，，05： | 1 |
| 9 | MRI fuzzy segmentation of brain tissue using neighborhood attraction with neural-network optimization显示文摘 | Shen Shan Sandham W Granat M | 2005 | IEEE Transactions on Information Technology in Biomedicine2005，9，3： | 1 |
| 10 | RpoS, H-NS, and DsrA influence EHEC hemolysin operon ( ehxCABD ) transcription in Escherichia coli O157:H7 strain EDL933 显示文摘 | Li H Granat A Stewart V | 2008 | FEMS Microbiol Lett2008，285，2： | 1 |
| 11 | Phaeochromocytoma and pregnancy: an updated appraisal显示文摘 | Schenker JG Granat M | 1982 | Aust NZ J Obstet Gynaecol1982，22，： | 1 |
| 12 | Dry sliding wear behaviour of Cu based composite materials reinforced with alu- mina fibers 显示文摘 | NAPLOCHAK GRANAT K KACZMAR J W | 2013 | Archives of Materials Science and Engineer- ing2013，59，2： | 1 |
| 13 | Risk of fetal loss in twin pregnancies undergoing second trimester amniocentesis 1 1 We thank Professor Ligom of Ichilov Medical Center for providing data regarding the patients of that center.显示文摘 | E Yukobowich E.Y Anteby S.M Cohen Y Lavy M Granat S Yagel | 2001 | Obstetrics & Gynecology2001，，2： | 1 |
| 14 | Effects of electrical stimulation on flexion contractures in the hemiplegic wrist显示文摘 | Granat MH Stott DJ | 1997 | Clin Rehabil1997，11，： | 1 |
| 15 | Changes in running economy during a 5 km run in trained men and women runners显示文摘 | THOMAS D Q FERNHALL B GRANAT H | 1999 | J Strength Conditioning Res1999，13，2： | 1 |
| 16 | Effects of electrical stimulation of flexion contracture in the hemiplegic wrist显示文摘 | Pandyan AD Granat MH Stott DJ | 1997 | Clin Rehabil1997，11，2： | 1 |
| 17 | Therapeutic effects of functional electrical stimulation of the upper limb of eight children with cerebral palsy显示文摘 | Wright PA Granat MH | 2000 | Dev Med Child Neurol2000，42，11： | 1 |
| 18 | Prevention of shoulder subluxation after stroke with electrical stimulation显示文摘 | Linn SL Granat MH Lees KR | 1999 | Stroke1999，30，5： | 1 |
| 19 | Diagnostic imaging in 13 cases of Rasmussen′s encephalitis: can early MRI suggest the diagnosis? 显示文摘 | Granate T Savoiardo M | 2003 | Neuroradiology2003，45，3： | 1 |
| 20 | MRI Fuzzy segmentation of brain tissue using neighhnrhood attraction with neural-network optimization 显示文摘 | Shen Shah Sandham W Granat M | 2005 | IEEE Trans on Information Technology in Biomedicine2005，9，3： | 1 |
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