The concept of the differential and cut-off grade is pointed out, and its mathematical model is built as well.
提出了级差边际品位的概念，建立了级差边际品位的数学模型。
They are respectively named cut-off grade, marginal grade, economic grade and the average grade of an ore deposit.
这4项品位指标依次为边界品位、边际品位、经济品位和矿床平均品位。
Cut-off grade method has been used to control the ore drawing in non-pillar sublevel caving mining both in and outside China.
采用无底柱分段崩落采矿法，国内外一直采用截止品位放矿法来控制出矿。
It is concluded that location of foot-wall drawing points are closely related to orebody dip, cut-off grade and ore grade of wall rock.
认为下盘放矿点位置与矿体倾角、放矿截止品位、围岩含矿品位有着密切的关系。
The greatest height of footwall cutting is determined through the theoretical analysis of cut-off grade method and breakeven point method.
通过对边界品位法及盈亏平衡法的理论分析，确定下盘最大切岩高度。
Research shows that main cause of ore dilution in sublevel caving mining is tlnrational cut-off grade drawing. Non-dilution ore drawing is most ideal drawing mede.
研究表明，造成无底柱分段崩落法来出矿石贫比大的根本原因在于采用了不合理的截止品位放矿方式，无贫化放矿是无底柱分段崩落法最为理想的放矿方式。
When dilutionless drawing cann't be executed in one step, low dilution drawing can be used and the cut-off grade can be gradually raised towards dilutionless drawing.
当不能一步到位地施行无贫化放矿时，可用低贫化放矿，逐渐提高截止品位而趋向无贫化放矿。
The paper describes the effective measures taken to reduce off grade product with home scrap, rhomb and horizontal crack, and consequently improving the quality of the continuously casting product.
本文介绍了转炉炼钢厂通过采取有效措施，减少退废、脱方及横向裂纹废品，提高连铸坯质量。
If this happens to you, or happens to other people in the company who are at your pay grade, this should set off some warning bells.
如果这一切发生在你身上，或者是发生在与你同样薪酬等级的其它同事身上，这就可以算作某种程度上的征兆了。
Tengo had started going on these rounds before he entered kindergarten and continued through fifth grade without a single weekend off.
天吾在上幼儿园开始就一直做这样的事并且一直持续到五年级，都没有一个正常的周末。
So when you're pissed off about your grade, the person to take it up with... well, take it up with them.
所以如果你因为你的分数想要发脾气，你要找的人。,恩，你要找的人是他们。
This unassuming primary school just off Kangping Lu is where Yao Ming first experienced a shooting competition, when he was in grade one.
这所简单的小学就在康平路上，而就在这里姚明第一次经历他的投篮比赛在他一年级的时候。
I had observed my mates in tenth grade: whether they had girls in their class or not, they were afraid of them, or kept out of their way, or showed off to them, or worshipped them.
我观察过十年级的同伴们：不论他们班级里有没有女孩，他们都害怕她们，对她们退避三合，或者向她们炫耀，或着崇拜她们。
So as we expected based on the design, this is not electronic-grade poly, but it's not that far off.
就像我们预期的设计为基础，这不是电子级多晶硅，但它并不遥远。
Because of such problems, most highly gifted children are better off if they largely remain in the grade with other children their age.
由于有这些问题，极具天赋的儿童如果主要与其他同龄学童待在同一个年级，处境会更好。
Remember in first grade, wei classmate off an eraser, I helped him pick it up, since then, he would have regarded me as a friend.
记得在一年级，魏同学掉了一块橡皮，我帮他捡起来，从此，他就把我当成了朋友。
Dad's offer of a "failing grade" gift did wonders to quell my worries and it took the pressure off.
爸爸许诺的“不及格”礼物带来了奇迹，我的焦虑得到了缓解，压力烟消云散了。
When giving constructive criticism or a poor grade to an IFP, also give some positive feedback so that the IFP is not frightened off from doing that type of task again in the future.
当批评IFP或者给他们打较低的分数时，同时也得给他们一些积极的回应，免得IFP一受打击，下次就不想做类似的任务了。
Often, a low-grade fever is actually helping fight off an infection.
通常情况下，低烧实际上在帮助战胜感染。
I would, Harold, except you're not the only one with homework to grade. Got to hand off to the night crew.
行啊，哈罗德，可有作业要批的不止你一位啊。得让晚班人员接手了。
In regard to your children, you may be sending your little one off to camp or first grade soon, and be suddenly reminded of how far your child has come since you first held him or her in your arms.
在关于您的孩子，您会传送你的小宝宝一到营地或小学一年级不久，突然想起有多远你的孩子有来自您第一次举行的他或她在您的武器。
Papers turned in more than 5 minutes past the start of class will lose points. 5% will be taken off the essay grade for each minute after the first 5 minutes of class.
论文交出超过上课开始5分钟会失去分数。5%将采取关闭后的第一个5分钟的课堂作文品位为每分钟。
There is a common misconception that the higher the grade of the gasoline you pump, the faster your car speeds off.
有一个普遍的误解，高汽油泵等级的你，你的解放油罐车的速度更快了。
Five, skillful top and bottom ascent, low block steady pass, midway don't change to block, the ascending grade defends to turn off, go down slope absolute prohibitory for nothing block a skidding.
巧妙上下坡，要低挡平稳通过，中途不要换挡，上坡防熄火，下坡绝对禁止空挡滑行。
Simulation results show that through implementation of optimal control, the transition time and off-spec product can be reduced over 60% in the polypropylene grade transition.
仿真结果表明，通过实施优化控制，能够使产品牌号切换过程的过渡时间和过渡料数量降低60％以上。
I remember the bitter fifth-grade conflict I touched off by elbowing aside a bigger boy named Barry and seizing the cafeteria's last carton of chocolate milk.
事情发生在学校的自助餐厅里。我用胳膊肘将一个名叫巴里的比我还高大的男孩推到一边，从而抢到了最后一盒巧克力奶。
Because magnetic department for, the mineral grains occurs extremely mixed with magnetic mechanic inclusion gangue off, thus make concentrate grade was improved.
因磁系的极替，矿粒发生磁搅伴使机械夹杂的脉石脱落下来，从而使精矿品位得到提高。
The factors affecting the off-gauge grade of goods are analyzed and a number of methods are proposed in this paper.
通过分析影响货物超限等级的因素，提出了降低货物超限等级的若干方法。
Especially during grade transition, a lot of off-specification polypropylene are produced and leads to loss of profits.
特别是在产品牌号切换过程中会产生大量的不合格料，带来了经济上的损失。
The effects of water pressure, off distance, transverse speed, abrasive flow rate, abrasive grade and the kind of abradant to the effectiveness of rust -removing are analyzed.
并分析了压力、靶距、横移速度、磨料供给量、水流量、磨料粒度和磨料种类对除锈效率的影响，为磨料浆液除锈各参数的选择提供了参考。
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