cb-c 中文意思是什麼
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The results show that pu / cb composites adding crystal b and crystal c display no ptc effect, but the room temperature resitivity of composites increase with the increasing of the content of organic crystal ; the composites adding crystal a and crystal d displays obvious ptc effect and the ptc strength is 1 ~ 3 grades
實驗結果表明,加入晶體b 、晶體c的聚氨酯cb復合體系不具有ptc效應,但體系的電阻率隨晶體含量的增加而增大;加入晶體a和晶體d的復合體系具有明顯的ptc效應,且ptc強度達1 3個數量級。 -
Thompson cb, challoner pb, neiman pe, et al. levels of c - myc oncogene mrna are in variant throughout the cell cycle. nature, 1s985, 314 : 363
趙書芳,金巖,趙皿,等.程序性細胞死亡在牙齒發育中的作用.牙體牙髓牙周病學雜志, 1999 , 9 ( 1 ) : 58
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