A theory has been formulated intending to explain the dynamics and chemical process in Martian upper atmosphere based on observations of its natural situati
盐酸莱克多巴胺(Ractopamine Hydrochloride,RAC,商标:Paylean)是美国礼莱公司发明的一种新型猪饲料添加剂,属于β-肾上腺素兴奋剂(β-兴奋剂)类药物中的苯乙醇类衍生物,具有显著
巴贝斯虫病是一种由巴贝斯虫感染引起的人兽共患原虫病。巴贝斯虫主要寄生于哺乳动物红细胞,在红细胞内繁殖,在此过程中,巴贝斯虫处于有氧环境,受到活性氧(ROS)的毒性效应。巴贝斯虫为了抵抗氧化应激,启动体内的硫氧还蛋白(Trx)系统。硫氧还蛋白还原酶(TrxR)是一种NADPH依赖的包含FAD结合结构域的二聚体硒酶,属于吡啶核苷酸-二硫化物氧化还原酶家族成员,它参与防御氧化应激,与硫氧还蛋白(Trx)
SiGe-OI(Silicon Germanium on insulator)material is a new type of semiconductor material,and the refractive index of waveguide region can be effectively impr
Back-illuminated near-infrared detectors were designed and fabricated using p-InGaAs/p-InP/i-InGaAs/n-InP p-i-n layer structure.In order to optimize the det
乙烯装置是现代石油化工生产中的基础生产装置,也是石油化工生产中的能耗大户。而乙烯裂解炉的能耗又占整个乙烯装置能耗的50%以上。因此,降低裂解炉的能耗是降低乙烯装置能耗的
Microchannel plates(MCPs)are the key component of the image intensifier.Compared with the traditional MCPs,the Si MCPs which are fabricated by micro-nanofab
写生,直接以实物或风景为对象的一种绘画方法。写生的意义是对描画事物的瞬间抓捕,价值在于快速和即时性,主要锻炼画者对事物的观察力、理解力以及对事物的处理分析能力。要
Stereo matching is the most critical technology for binocular stereo vision,and the accuracy of stereo matching directly influence applications of stereo vi