论文部分内容阅读
电网噪声干扰与净化技术
【出 处】
：
研究与开发
【发表日期】
：
1991年1期
其他文献
<正> 点隙窝沟是釉质的缺陷,是牙齿上易于患龋的薄弱环节。处理窝沟龋的经典作法,是G.V.Black的预防性扩展,另一种方法则是Hyatt的预防性牙体手术和Bodecker的窝沟切除法。封
A novel strategy to enhance the expression eHiciency of cloned target gene in Escher&hia colt was developed. The whole expression cartridge, consisting of promo
Objective. To improve clinical knowledge of Peutz-Jeghers syndrome. Methods. Eight patients with Peutz-Jeghers syndrome from 1984 to 1998 in our hospital were r
DIAGNOSIS AND TREATMENT OF THE MALIGNANT GESTATIONAL TROPHOBLASTIC TUMOR WITH PULMONARY METASTASIS C
Objective. To evaluate the diagnosis and treatment for malignant gestational trophoblastie tumor (MGTT) with pulmonary metastasis complicated with pulmonary tub
ＥｐｉｄｅｍｉｏｌｇｉｃＳｔｕｄｙｏｆＡｃｕｔｅＨｉｇｈＡｌｔｉｔｕｄｅＰｕｌｍｏｎａｒｙＥｄｅｍａＺｈｏｕＱｉｑｕａｎ（周其全）ａｎｄＹａｎｇＪｉｎｇｙｉ（杨景义）（ＬａｎｚｈｏｕＭｅｄｉｃａｌＣｏｌｌｅｇｅｏｆＰＬＡ，Ｌａｎｚｈｏｕ７３００２０）...
The vagus is a mixed nerve containing cholinerrgic and non-cholinergie neurons. Vagal fibers interact with peptidergic neurons of the enteric nervous system whi
Turner's syndrome (TS) is a relatively common chromosome disorder caused by complete or partial X monosomy in some or all cells.
Objective. To investigate the unique characteristics and treatment of thoracic spine fractures.Methods. Severty-seven patients with thoracic spine fractures wer
THE PROPERTIES AND LONGITUDINAL EXPERIENCE OF CHINESE TYPE A BOTULINUM TOXIN FOR THE TREATMENT OF FO
Objective. To introduce the properties of Chinese type A botulinum toxin (CBTXA, made by Lanzhou Institute of Biological Products), and its long-term effect for