ZnO thin films were deposited on the substrates of (100) γ-LiAlO2 at 400, 550 and 700℃ using pulsed laser deposition (PLD) with the fixed oxygen pressure of 2
The friction stir weldabilities of the strain-hardened AA1050-H24 and precipitate-hardened AA6061-T6 aluminum alloys were examined to reveal the effects of mate
<正> 马克思在《资本论》中全面、系统创立的商品货币经济理论,是我们结合中国国情,深化改革,制定正确方针政策,发展社会主义商品经济的根本理论依据。为切实贯彻中央的“双
<正> 经国务院批准,中国人民银行决定,从9月1日起提高银行各项存、贷款利率.银行利率的调整,尤其是流动资金贷款利率的调整,关系到农、工、商企业的切身利益,是国民经济生活
A 3D mathematical model is developed to calculate the temperature and velocity distributions in a moving gas tungsten arc (GTA) welding pool with different sulf
Sapphire crystals with different orientations may cone from implantation of Nb+ ions under different conditions and succedent annealing at reducing atmosphere.
<正> 最近,我对宝坻县农业银行1—7月份信贷执行情况进行一次分析,认为:一今年以来,宝坻县农业银行,信用社,认真贯彻执行“从紧”方针,在控制总量,调整信贷结构,清资挖潜,提
<正> 了解、研究当前西方外汇市场的特点及其功能,不仅对我们利用西方外汇市场促进我国对外经济贸易的发展有好处,对我国银行借鉴西方银行经营理论和方式开拓新的外汇业务也
2024 Al matrix composite reinforced by SiC particles with 45% volume fraction and 1 μm diameter was successfully fabricated by squeeze-exhaust casting method.
Langasite (LGS) is a novel piezoelectric crystal. The authors numerically analyses the temperature stability of surface acoustic waves (SAW) and the relation of