基于人工视网膜神经节细胞感受野的图像边缘检测

用光电池组装一个工感受野，在一维上模拟视网膜神经节细胞的零交叉滤波特性，进一步用该工工感受野构建一个图像边缘检测系统，并成功地用系统检测到图像边缘。一与般的基于视觉原理的图像系统相比，这种以人工感受野灵基础的系统，在图像输入的同时即可并行地提取图像边缘信息，而更接近于动物视觉系统原型，此结果将为人工视觉和图像技术的发展提供新的探索。     

基于荧光素酶生物发光检测方法的研究及其应用进展

生物发光现象广泛存在于自然界中,不管是在陆地或是海洋都有发光生物的踪迹。其中基于荧光素酶的生物发光系统被广泛研究,启发着人类在基因、表观遗传等方面进行探索,并且开发出一系列相关的检测方法,用于体内体外各方面研究。本文从生物发光系统、荧光素酶的种类以及荧光素酶生物发光检测方法的开发与应用这几个方面进行总结,简要概括近年来基于荧光素酶生物发光检测的研究进展。     

Autologous peripheral blood stem cell transplantation in the patients with hematologic malignancies and solid tumors

Objective To evaluate the long-term therapeutic effects of autologous peripheral blood st em cell transplantation (auto-PBSCT) on the treatment of hematological and soli d tumors. Methods Fifty-one patients were recruited in this auto-PBSCT study, in which several p otentially important parameters were studied including the optimal time for stem cell co llection, the dose of stem cell reinfusion, the time of hematopoietic reconsti tution, the disease free survival (DFS) and overall survival (OS), complication s related to transplantation, and maintenance chemotherapy after auto-PBSCT. Results After APBSCT, 3-year and 5-year survival rates of NHL were 83.3%; those of AM L were 74.7%; those of MM were 37.9% and 19%; those of ALL were 40% and 0% res pectively. Hematopoietic reconstitution was greatly promoted by granulocyte col ony stimulating factor (G-CSF). The mean time for patients’ neutrophil to reco ver up to >0.5×10(9) /L after APBSCT was 11.14 days in the group of the patien ts receiving G-CSF in contrast to 17.6 days in the group receiving no G-CSF. The most common complications of transplantation were fever, liver dysfunction and hypokalaemia, which were curable. No death was due to transplantation related complications.Conclusion Comparing with conventional chemotherapy, our study suggests that auto-PBSCT i s a very important therapeutic option that can significantly improve the prognos is in the patients with hematological and solid tumors, especially in the patien ts with AML and NHL.     

枕部硬膜外静脉窦骑跨血肿手术分析（附21例报告）

报告21例颅脑外伤致枕部硬膜外静脉窦骑跨血肿病人的手术要点,分析了术中出现的突发变化及处理措施。     

胆囊十二指肠瘘32例临床分析

．胆囊十二指肠瘘是胆肠内瘘的一种较为特殊的临床病理类型,临床诊断不易,治疗方法复杂,结合我院1983～1999年收治并经手术治愈的胆囊十二指肠瘘32例及有关文献资料,总结如下。     

同种原位心脏移植的近远期免疫抑制治疗探讨

目的：探讨同种原位心脏移植术后免疫抑制剂的应用问题,方法：对1例同种原位心脏移植的病人采用环孢素A,硫唑嘌呤,皮质类固醇及OKT3四联疗法进行免疫抑制治疗。结果：心脏移植术后1a6个月未发生明显的急性排异反应。结论;根据临床表现及综合监测调整免疫抑制剂的用量可以有效地抗排异反应。     

特发性无精症与少精症患者血清生殖激素水平变化的研究

目的 :探讨特发性无精症与少精症患者血清 FSH、L H及 T生殖激素水平变化的临床意义。方法 :采用放射免疫测定法对 3 0例特发性无精症和 2 5例特发性少精症患者及2 0例有正常生育史的男性血清 FSH、LH及 T的浓度进行测定。结果 :特发性无精症患者血清 FSH、L H显著升高 (P<0 .0 1 ) ,T、T/L H比值降低 (P<0 .0 5 )。特发性少精症患者血清FSH、L H升高 (P<0 .0 5 ) ,T正常 ,T/LH比值降低 (P<0 .0 5 )。结论 :特发性无精症与少精症患者 ,除睾丸生精功能障碍外 ,还存在间质细胞功能的损害。FSH水平是预测睾丸生精功能的可靠标志 ,T/LH比值可以作为早期判断间质细胞功能状态的敏感指标。     

却老壮骨片对家犬的长期毒性试验研究

观察却老壮骨片（壮骨片）连续给药后对家犬可能产生的毒性反应及性质。用壮骨片0．167、0．334、0．668mg/kg/d和甲基炔诺酮（0．154mg/kg/d)及尼尔雌醇（0.514mg/kg/d)给家犬连续口服180d,观察用药期间毒性反应及停药21天期间恢复情况。结果表明在用药150天后,壮骨片高剂量组和甲基炔诺酮高剂量组,动物体重增长虽略有减慢,但与对照组比较无显著性差异（P＞0．05）;其他各剂量组各功能检查未见明显变化。壮骨片在相当成人常用量74．2倍的大剂量下对家犬无毒性。