Ⅰ. INTRODUCTION Neodymium yttrium aluminium tetraborate [Nd<sub>x</sub>Y<sub>1-x</sub>AL (BO<sub>3</sub>)<sub>4</sub>, (NYAB)] is a functional material which is sel...Ⅰ. INTRODUCTION Neodymium yttrium aluminium tetraborate [Nd<sub>x</sub>Y<sub>1-x</sub>AL (BO<sub>3</sub>)<sub>4</sub>, (NYAB)] is a functional material which is self-activated and self-frequent doubling. It belongs to an incongruent compound in the phase diagram, so the flux method is used for its crystal growth.展开更多
文摘太湖北部重度水华暴发时,在夏季盛行风推动下,漂浮的席状水华可由大太湖漂移进入位于太湖北部的梅梁湾,使湾内的水华加剧.本文通过室内风箱水槽实验和野外观测,对水华的风力漂移作了定量研究,建立了风速与水华漂移速度的指数相关方程.并据此对2004年夏季太湖北部发生席状水华的6d分别计算了水华风力漂移入湾量.6d中,只有2004-07-31水华漂移是由湾内向大太湖输出,且量很小,只有0.05 km2;其余5d水华漂移进入梅梁湾的面积占整个梅梁湾面积的3.7%~13.3%,进入量最大的是2004-06-11,达17.4km2,最少的是2004-07-30,为4.8 km2.
文摘Ⅰ. INTRODUCTION Neodymium yttrium aluminium tetraborate [Nd<sub>x</sub>Y<sub>1-x</sub>AL (BO<sub>3</sub>)<sub>4</sub>, (NYAB)] is a functional material which is self-activated and self-frequent doubling. It belongs to an incongruent compound in the phase diagram, so the flux method is used for its crystal growth.