..............page:516-520
..............page:453-456
..............page:457-461
..............page:449-452
..............page:504-508
..............page:496-500
..............page:509-515
Antioxidant——lutein
xing hong-wei(environment and biology engineering college; chongqing technology and business university; chongqing 400067; chian)
..............page:477-480
..............page:481-483
..............page:491-495
..............page:462-464
..............page:469-472
..............page:435-438
..............page:427-429,472
..............page:484-486
On testing standard of the quality of stone-filled road and dam
song jian-qiang~1; wu su-qing~2; wu qing-gao~3(1.the third company; zhejiang communication industry group; zhejiang hangzhou 310013; 2.the third company; the thirteenth bureau group of china rail; liaoning dalian 124021; 3.chongqing communication construction group; chongqing 401147; china)
..............page:521-523
..............page:465-468
..............page:430-434
Research progress in genetic transformation methods of transgenic maize
zhang yuan-chang~1; zhang shou-guo~2; li zhen-ke~3; wu yong-sheng~(1; 4) (1.agricultural college; guangxi university; nanning 530005; china; 2.mengluan forestry administration of hebei; hebei weichang 068450; china; 3.guilin agricultural school; guangxi guilin 541006; china; 4 guangxi maize research institute; nanning 530227; china)
..............page:473-476,495
..............page:487-490
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..............page:444-448
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..............page:524-528