cut off grade是什么意思

网络释义

用法例句

Improvement of Molybdenum Concentrate Grade and Recovery by Cyclonic Static Microbubble Flotation Column;

旋流-静态微泡浮选柱提高钼精矿品位和回收率

Test Research on Reducing Grade of Tailing of Dahongshan Iron Concentrator;

大红山铁矿选矿厂降低尾矿品位试验研究

Preliminary Exploration of the Factors Influencing the Comprehensive Iron Concentrate Grade at Jiuquan Steel's Concentrator;

酒钢选矿厂综合铁精矿品位影响因素初探

The style and quality of academic periodicals;

学术期刊的风格与编辑的品位

In 80～90's,mining methods were mainly used that up wards level layer filling and trackless mechanisation panel level layer filling to mine higher quality mining block,-430m paragraph belongs to lower quality mining block,we attempted the mining method for trackless mechanisation panel pillar filling in this paragraph.

- 430m中段属低品位矿块 ,在此中段试验了无轨机械化盘区点柱式充填采矿法 ,获得了极大的经济效益和社会效益 ,为- 430m中段以下低品位矿块的回采找到了一条新的回采途

The article introduces Space molding in entrance of Guquandonglu,exhibition of buildings in this business street,extension of square space,ingenious transition and integration of the central business area with the greening area,illustrating that the design has greatly enhance cohesion and the integral quality of the transformed area in the inner city of Bozhou City.

老城区规划要注重空间环境的设计,文章介绍亳州市古泉东路的入口空间塑造,商业街的建筑景观展示,广场空间的延伸扩张,中心商业景观带与景观绿化带巧妙过渡、融合,说明空间环境设计增添了古城改造区的人气和空间凝聚力,大大提升了规划区的整体品位。

The fractal dimension relation between ore grade and reseves is discussed.

简要介绍了分形几何的基本概念，探讨了矿石品位和储量间存在的分维关系，为矿石品位和储量的估算提供了一种新的工具。

In this background, it is important to study the ore grade distribution and the mining method of donggou molybdenum mine are studied.

在此背景下对东沟钼矿矿石品位分布及采矿方法进行研究意义重大。

The cultural taste on campus has great influence on fostering students.

校园文化品位的高低,直接关系到人才培养的优劣。

Under the new situation,how the journalists of university papers establish the ideas of "good taste,famous brand,and excellent quality" and set up a "refined matter" has become an important problem.

在新形势下,校报新闻工作者,如何树立品位、品牌、品质“三位一体”的办报理念,打造校报精品,本文从校报文化品位精品化、校报特色品牌精品化、校报质量品质精品化等方面进行了阐述。

The cultivation of urban cultural taste derives from creative work,traditions and geographical conditions.

城市的文化品位是一个城市的文化品质、文化地位以及由此产生的文化影响力的一种城市状态。

General optimization system of iron concentrate grade;

铁精矿品位优化通用系统

Experimental study on improving the gold concentrate grade of high-sulphur gold ore;

提高高硫含金矿石精矿品位的试验研究

In view of lower concentrate grade in the mineral processing of Copper Mine in Hubei, based on the consulting information and mineral processing experiments, the proper measures of mineral processing has been taken.

针对湖北某铜矿精矿品位偏低的实际生产情况,在查阅资料和选矿试验的基础上,提出合理的选矿工艺改进措施,经过多次的技术改造,铜精矿品位提高了2。

Through the following methods,such as summing up the formulation of deposit industrial indicators,complying with the existing examples of geological prospecting of gold mine,following the principle of profit and loss balance in the economic analysis,as well as with a number of indicators to estimate the resources,it gets the lowest industrial grade and margin grade which is suitable for the cu.

文章从分析我国目前矿床工业指标的管理办法入手,通过总结矿床工业指标的制订方法,结合现有黄金矿山地质勘查实例,遵循经济分析中不赔不赚的盈亏平衡原则,用多个指标进行资源量估算,找出适合当前经济条件下的最低工业品位和边界品位,并试算出矿床正常开采可赚取同行业平均利润时的经济品位,从而分析研究矿床工业指标的现实意义,并对下一步地勘单位制订自己的工业指标和国家矿产储量管理部门对矿床工业指标的改革提出了建议。

The ration of the element's content and the lowest industrial grade can be used to determine whether the deposit be formed by useful materials or not.

有用物质可否成为矿床 ,取决于某元素含量与最低工业品位的比值。

The application of industrial grade and its creating conditions indicate that the index of industrial grade does not represent the standard for delineation of orebodies and classification of reserves.

通过对工业品位应用和产生条件的分析，揭示了单工程或块段最低工业品位（ 文中简称工业品位）并非圈矿指标和储量分类的标准。