1) hydrologic constants
水文常数
1.
Focused on the hudrologic constants of sandy lands in Maowusu Sands,which were covered by artificial Hedysarum leave Shrub and Salie psammophila Shrub,the paper measures the mechanical composition and hydrologic constants were measured with methods of soil physics.
本文针对毛乌素沙地中广泛分布的两个人工林——杨柴林和沙柳林,通过采用土壤物理分析测定法,研究了其沙地的颗粒组成状况和水文常数。
2) astronomical constants
天文常数
1.
In this paper the activities of research related to catalogues and astronomical constants in China from July 1990 to January 1993 were described.
叙述了１９９０年７月至１９９３年１月期间中国的星表和天文常数工作。
3) file constant
文件常数
4) literal constant
文字常数
5) astronomical constant
天文常数
6) hydrophobic parameter
疏水常数
1.
According to the theory of McRea, the detract form of London and the theoretical formula of calculation hydrophobic parameter, 146 nitric compounds with abundant substituted groups were studied using quantum calculation and a correlated equation with three indexes was obtained through MLR calculation(N=146, S=0.
采用 Mc Rea的理论和 L ondon的分散式 ,结合疏水常数的理论公式 ,运用量子化学计算研究了 146个含氮有机化合物体系 ,通过多元逐步线性回归关联得一含有三个参数的方程 (N=146 ,S=0 。
补充资料：“马尼阿吉海军上将”号水文测量船
该船现代化程度相当高，可进行远洋水文测量和海洋调查，也可利用船载小型艇只和两栖艇只在沿海水域、浅海区和江河中进行水文测量。船上设有化学实验室、物理实验室、水文分析室、照相室，配备有水下摄像机，精密水文、气象仪器，以及许多．用来对海洋进行物理、化学、生物学、地质学研究的设备及若干数据处理机。载有6艘水文测量小艇。3部声纳和2部回声探深仪的终端显示设备集中在一个舱室中。桥楼甲板室中建有动力装置遥控站。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条