..............page:101-103
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The direct-solution of spatial-resection based on luodigues matrix
yao ji-li~1; sun ya-ting~2; wang shu-guang~3(1.school of architecture engineering; shandong university of technology; zibo 255049; china; 2.shandong general team; china construction malerials and geological prospecting; jinan 250100; china; 3.network center; shandong university of technology; zibo 255049; china)
..............page:36-39
..............page:96-100
..............page:107-110
..............page:33-35,39
..............page:49-52,56
Effect of TiO_2 additive on hydration-resistent characteristics of MgO-CaO refractory
zhang hong-ying; wu shi-gang; dou shu-ju(1.college of material science and engineering; shandong university of technology; zibo 255049; china; 2.shanghai institute of optics and fine mechanics; chinese academy of sciences; shanghai 201800; china; 3.college of material science and engineering; anshan university of science and technology; anshan 114002; china)
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