1) tidal boundary
潮位边界
3) tide-induced bottom boundary layer
潮流边界层
1.
Characteristics of tide-induced bottom boundary layers over the Dafeng intertidal flats,Jiangsu Province,China;
江苏大丰潮滩潮流边界层特征研究
2.
Characteristics of tide-induced bottom boundary layers in Xiamen Bay under the tropical cyclone conditions
台风期间厦门湾潮流边界层特征研究
4) marginal grade
边界品位
1.
This authors introduce the methods of a statistical and infinite calculus to determine the marginal grade of titanium placer in Panzhihua City,in order to make a complete analysis of reserves of titanium placers there.
简要介绍用统计和曲线积分方法确定攀枝花钛砂矿的边界品位;对传统的地质块段法储量估算进行数学纠正,并对调查区钛砂矿储量进行估算(以丙谷矿体为例),旨在提出一个钛砂矿储量估算分析流程。
2.
Based on the grade distribution character of 320 Uranium Deposit and the technical economy indexes of mining and hydrometallurgy, the mine reasonable recovery marginal grade is determined with the assessment method of mathematical statistics by use of computer.
根据320铀矿床的品位分布特征和矿山采冶技术经济指标,以计算机为工具用数理统计估值法确定矿山合理的开采边界品位。
3.
Marginal grade should go hand in hand with the price of mineral products.
边界品位与矿产品价格密切相关。
5) border grade
边界品位
1.
The titanium border grade of Panzhihua is identified by means of statistical and infinitesimal calculus(referring to the data of Yunan’s titanium properly) to get optimum application.
通过用统计和曲线积分方法(并适当参考云南钛砂资源的资料)来确定调查区合理的钛砂矿边界品位,达到矿产资源的最优利用;以规则的取样投影图形代替水平投影,对传统的地质块段法储量估算进行了数学纠正以得到合理的估算参数,并对调查区钛砂资源进行了远景储量估算。
6) cutoff grade
边界品位
1.
The dynamic programming optimize method and its application of cutoff grade;
边界品位的动态规划优化方法及其应用
2.
Discussion on influencing factors of cutoff grade
关于边界品位影响因素的探讨
3.
Taking maximum net present value as an optimum target and considering factors in mining,milling and metallurgy,a dynamic optimum method for optimizing cutoff grade of underground orebody is given.
以净现值最大为优化目标,同时考虑采、选、冶三阶段因素,给出了地下开采矿体边界品位动态优化的方法。
补充资料：潮位
1.受潮汐影响而涨落的水位。
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