نتایج جستجو برای: rubber wood

تعداد نتایج: 56644  

2012
Rajashekar Patil Mohan Kumar

The main objective of this paper is to introduce one of the promising Rapid Prototyping (RP) technology as a potential application for the fabrication and development of a Flapping Wing Micro Air Vehicle (a rubber band powered Ornithopter). The conventionally constructed Ornithopter of Balsa Wood has been compared with an Ornithopter of ABSM30 constructed using RP technology (Fused Deposition M...

Journal: :Journal of the experimental analysis of behavior 1968
N H Azrin H B Rubin R R Hutchinson

Paired rats are known to behave aggressively when given painful electric shocks. The present study developed a procedure whereby individual rats given shocks might bite an inanimate target object. Unavoidable shock was delivered to the rat while it was restrained in a position close to, and facing a target object. Biting of the target was recorded automatically. Shock caused the rat to bite met...

2008
MIN ZHANG XIAN-HUI FU WEN-TING FENG XIAOMING ZOU

Abstract: Rubber tree (Hevea brasiliensis) plantation is a major land use practiced in Xishuangbanna of south-western China. Effects of rubber plantation (RP) and tea-rubber intercropping (TRI) systems on soil organic carbon pools were evaluated by recording changes in soil organic carbon in an age sequence of 12-, 20-, 26-, and 40-year old plantations. Labile organic carbon (LOC) increased in ...

Journal: :IOP Conference Series: Materials Science and Engineering 2020

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