Zobrazeno 1 - 10
of 14
pro vyhledávání: '"于海 Yu Hai"'
Publikováno v:
Optics and Precision Engineering. 27:51-57
Publikováno v:
Optics and Precision Engineering. 24:1655-1660
Publikováno v:
Optics and Precision Engineering. 24:2699-2704
Publikováno v:
Chinese Optics. 8:755-767
Publikováno v:
Chinese Optics. 8:447-455
Publikováno v:
Optics and Precision Engineering. 22:979-987
To increase the measurement precision of dynamic detection for an optical encoder in the steady speed, a turntable drive system with a brushless DC motor was designed. The influence of the speed fluctuation of dynamic detection equipement on the angl
Publikováno v:
Acta Ecologica Sinica. 32:3378-3385
Maize emergence speed and the emergence rate relate to soil moisture and air temperature,and they largely determine the corn growth and yield.In order to obtain the relationships between seedling emergence speed,seedling rate of spring maize(Zea mays
Publikováno v:
Acta Ecologica Sinica. 32:4691-4699
From March to October 2006,habitat characteristics of 31,71,31 crocodile lizard(Shinisaurus crocodilurus) samples and 50,90,51 comparing samples(no crocodile lizard was found in these samples) were observed in Luokeng crocodile lizard Nature Reserve,
Publikováno v:
Infrared and Laser Engineering. 46:1017011
Publikováno v:
Acta Optica Sinica. 37:0312001