1)  selection
选比
1.
The author elaborates comprehensively on major issues in the construction of offshore projects for imported LNG currently in China,including selection of sites,technical difficulties,construction of waterways and some concrete issues in designs,and also presents his views on some disputable topics in these issues.
综合叙述了我国当前进口液化天然气项目中的海上工程建设的主要问题,包括选比、技术难点,航道建设和设计中的一些具体问题,并对其中某些有争议的内容提出了看法。
2)  preparation proportion
入选比例
1.
Through accelerating technical vemake, raise the preparation proportion, improve the product structure and raise the economic benefit.
通过加快技术改造,提高入选比例,改善产品结构,提高经济效益。
3)  fuzzy priority selection comparison method
模糊优选比
4)  one-to-partial select ratio
一与半选比
5)  Fuzzy priority method
模糊优选比方法
补充资料:选矿比
      选别过程中原矿重量与精矿重量之比
  
R=Q(原) /Q(精)

式中Q(原)、Q(精)分别为原、精矿重量;或
  
R=(β-δ)/(α-δ)α、β、δ

分别为原、精、尾矿品位。按精矿品位选出一吨精矿所需原矿的吨数。
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。