Mineral resources in China have the next characteristics: there are many lean ore and few rich ore;

Study on a new process for pre-concentration of coarse lean ore

贫矿粗粒预选新工艺的研究

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Significance of Comprehensive Utilization of Ni Lean Ore Resource in Jinchuan Mine

金川镍贫矿资源综合利用的意义

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Base Stability of Jingchuan Lean Ore Area Mining by Natural Caving Method

金川贫矿区自然崩落法采场底部结构的稳定性

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Among 8 patients treated with tow-way cannulated compressive screw, 4 excellent, 2 good, 1 fair, 1 poor, the rate of excellent and good was 75.0%.

双头空心加压螺纹钉固定8例中优4例，良2例，可1例，差1例，优良率为75.0%。

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Among 27 patients treated with proximal femoral anatomical plate, 15 had an excellent result, 8 good, 3 fair, 1 poor, the rate of excellent and good was 85.2%;

股骨近端解剖型钢板固定27例中优15例，良8例，可3例，差1例，优良率为85.2%；

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To preserve the same twist, the torque should also be the same. Poor testicular salvage rate was the result of delayed presentation at this department in most cases.

为保持相当的扭转，扭矩也应该具有相同的比例。

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According to Merchant grade, 14 were evaluated as excellent, 3 as good, 3 as fair and 2 as poor. The rate of excellent and good results was 77.3%.

按照Merchant评分标准对术后功能进行综合评分，优14例，良3例，可3例，差2例，优良率为77.3%。

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In 9 cases of old fractures, 2 were excellent, 3 good, 2 fair and 2 poor. The rate of excellence and goodness was 55 6%.

9例陈旧性骨折，优2例，良3例，可2例，差2例，优良率556%。

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Several countries in Latin America, where the UN thinks one in three people is poor and the rate of poverty reduction is slowing, are looking at it with interest.

拉丁美洲的几个国家也饶有兴趣地关注着这种测量方法。根据联合国的数据，这几个地区的贫困人口比例达三分之一，而且减贫速度正在放缓。

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Among 23 patients treated with Gamma nail: 13 got excellent result, 7 good, 2 fair, 1 poor, the rate of excellent and good was 87.0%;

Gamma钉固定23例中优13例，良7例，可2例，差1例，优良率为87.0%；

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【 Results 】 Perinatal poor prognostic rate in the cases with abnormal reaction to NST was 37.2%, with-out significant difference in comparison with the normal ones ( 38.5%, P> 0.05).

结果无负荷试验异常者围生儿预后不良率为37.2%，与正常者（38.5%）比较无明显差异（P>0.05）。

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Single-copy routing delivers message through multiple forwarding, having poor delivery rate and reliability, while the Multiple-copy routing copy and forward message through multiple paths, having higher delivery rate.

单副本路由通过节点间转发来实现报文传递，投递率和可靠性较差。多副本路由通过复制转发的方式多路径地传输报文，具有较高的报文投递率。

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An effort to expand forest cover across north China to slow desertification, known colloquially as the Green Great Wall, has suffered from a poor survival rate of the trees planted.

为了延缓荒漠化进程，中国北部采取了扩大森林覆盖面的措施，即人们所谓的“绿色长城”，但是种在那里的树木成活率很低。

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The highest rate was 90.49% in 2002. The poor eyesight rate in female students was remarkable higher than that in male students for a period of 15 years ( P < 0.01).

15年中，女生视力低下率均显著高于男生（P

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The best therapeutic outcome was obtained 6 months after the injection, and the best, good and poor therapy rate were 44%, 48% and 8%, respectively.

结果患者于术后6个月时获得最佳疗效，其疗效优、良、差率分别为44%、48%和8%。

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As the data intrusion detection system processed contains a lot of redundancy and noise characteristics causing slow training and testing process, high resource consumption as well as poor detection rate.

由于入侵检测系统处理的数据含有大量的冗余与噪音特征，使得系统耗用的计算资源大，导致系统训练时间长、实时性差，检测效果不好。

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Britain's poor productivity rate was revealed in the dismal forecasts for economic growth outlined in the Budget by Chancellor Philip Hammond.

英国大臣菲利普·哈蒙德于日前公布预算，在黯淡的经济增长预期中，该国低下的生产力被暴露无遗。

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They instigated excessively loose monetary policy, global imbalances, poor exchange rate policy, government-sponsored mortgage enterprises and poor financial regulation.

在他们的煽动下，出现了过度宽松的货币政策、全球失衡、糟糕的汇率政策、政府资助的抵押贷款企业以及糟糕的金融监管。

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All it means is you don't pay a separate fee, yet often the cost is just loaded on a poor exchange rate.

它表示你不必为货币兑换支付额外费用，但是将要接受一个更差的汇率。

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However, poor survival rate ( lower 30% in average) due to fat absorption and necrosis limits its practical use and clinical application.

然而因为脂肪吸收以及脂肪坏死等现象使得手术后脂肪的存活率不良（平均低于30%），造成自体脂肪移植在实际使用以及临床应用上的限制。

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