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[期刊论文] 作者：WANG You-zhen,ZHANG Ye-wen,HE,
来源：浙江大学学报A（英文版） 年份：2004
A quasi 0-dB coupler composed of a composite right-/left-handed transmission line (CRLH TL) and a conventional right-handed transmission line (RH TL) is present...
[期刊论文] 作者：ZHANG You-zhen,ZHANG Jian-ming,SHI Zhi-jun,
来源：煤炭学报（英文版） 年份：2012
In coalmines of China,horizontal directional drilling (HDD) is an increasingly popular method for underground in-seam gas drainage.Numerical simulation,especial...
Effects of folic acid on epithelial apoptosis and expression of Bcl-2 and p53 in premalignant gastri
[期刊论文] 作者：Da-Zhong Cao,Wei-Hao Sun,Xi-Long Ou,Qian Yu,Ting Yu,You-Zhen Zhang,Zi-Ying Wu,Qi-Ping Xue,Yun-Lin Cheng,
来源：世界胃肠病学杂志（英文版） 年份：2005
AIM: To evaluate the effects of folic acid on epithelial apoptosis and expression of Bcl-2 and p53 in the tissues of premalignant gastric lesions.METHODS: Thirt...
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