It has been reported in many studies that electroacupuncture (EA) can positively regulate erythrocytic immunity and T-lymphocytic subgroups[1-8].Nevertheless, i
AIM To compare the effects of liposomes and glyco-poly-L-lysine on liver targeted uptake and expression of plasmid in rat liver. METHODS After binding with lipo
阐述了土质坡面的侵蚀机理及其对管道的危害.为解决管道传统护坡治理方式存在的问题,引入了特种土工合成材料--土工格室.对土工格室的固土和消能作用的机理进行了分析,提出了
Fatty acid composition and total lipid content of 8 strains of marine diatoms (Nitzschia frustrula, Nitzschia closterium, Nitzschia incerta, Navicula pelliculos
AIM We have previously reported that inducible over-expresaion of Bak may prolong cell cycle in G1 phase and lead to apoptosis in HCC-9204 cells. This study is
Calmodulin (CaM), widely distributed in almost all eukaryotic cells, is a major intracellular calcium receptor responsible for mediating the Ca2 + signal to a m
无论是在图象识别 ,还是在基于 MPEG- 4的图象压缩编码等应用领域 ,视频对象分割提取是其中一个很重要的技术环节 .为了在静止背景的情况下 ,能很好地解决多目标分割的问题 ,同时能进行单目标的分割 ,提出了一种鲁棒性较好的视频分割算法 .该算法通过对图象序列中每连续 3帧图象进行对称差分 ,首先检测出目标的运动范围 ;然后通过对差分结果进行聚类分析来确定该帧图象中视频对象的个数 ;接着再利用在
对第九届中国国际模具技术和设备展览会上展出的各类模具、模具标准件及模具材料进行了评述,介绍了主要展品的技术特点,分析了我国模具制造水平与国外先进水平的差距,展望了
本文研制了一种实用化石英光纤球形头。实验中采用大芯径石英光纤,把石英光纤的一端熔融拉锥并研磨成锥形端面,采用特殊助剂方法在其上面加入特殊的物质后研制成球形端面,并
利用聚合酶链式反应(PCR)技术,测定了西藏牦牛和黑白花奶牛生长激素基因的AluⅠ-RFLP(限制性内切酶片段长度多态性),并比较了2牛群的基因频率.在西藏牦牛和黑白花奶牛中,等位