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| 1 | A comparison of strategic mine planning approaches for in-pit crushing and conveying, and truck/shovel systems显示文摘In a global environment where energy and labor are becoming increasingly expensive, continuous mining systems such as In-Pit Crushing and Conveying(IPCC) systems have been advanced as offering a real alternative to conventional truck haulage systems. The implementation of IPCC systems in hard rock operations in open pit mines however requires different and more comprehensive planning approaches in order to adequately reflect the practical aspects associated with these. This paper investigates the impact that these approaches may have on the implementation of IPCC systems on a basic metalliferous deposit amenable to open pit exploitation. A strategic life of mine plan to provide numerous economic indicators for each approach is analyzed and compared to traditional truck haulage systems. The mine planning and evaluation process highlights the increased overall resource recovery that may accompany the use of IPCC systems. This investigation also provides insights into the issues associated with IPCC and the scale and type of operation and orebody that is likely to provide a feasible alternative to truck haulage. | M.Nehring P.F.Knights M.S.Kizil E.Hay | 2018 | International Journal of Mining Science and Technology2018，28，2： | 2 |
| 2 | 阴道细菌混合感染显示文摘阴道是一个独特的细菌寄生场所,它终身受到生长发育和激素剧烈变化的影响而改变。出生时,阴道由复层鳞状上皮排列而成,当母体雌激素减少时发生退行性变。在儿童时期,阴道菌群包括皮肤寄生虫和肠道菌群。月经初潮时,pH值从中性下降到4,菌群开始被乳酸杆菌支配,许多其它有机体可能会表现为更低级的聚集物,包括厌氧菌、兼性厌氧菌和念珠菌。激素环境每个月都会发生改变,加上由经期、月经及卫生引起的生理功能失调以及性行为等会引发很多新的病原体,同时也会改变pH值。妊娠和哺乳会引起更持久的激素水平失衡。到了更年期,阴道上皮开始逐渐萎缩,pH值上升,与皮肤相似的菌群可能会重建。 | Phillip E.Hay 王瑜 | 2007 | 继续医学教育2007，21，17： | 1 |
| 3 | Impact of Pegylated Interferon and Ribavirin Treatment on Graft Survival in Liver Transplant Patients with Recurrent Hepatitis C Infection显示文摘 | B. J.Veldt J. J.Poterucha K. D. S.Watt R. H.Wiesner J. E.Hay W. K.Kremers C. B.Rosen J. K.Heimbach M. R.Charlton | 2008 | American Journal of Transplantation2008，，11： | 1 |
| 4 | 用决策支持手段、学习机会和信息技术帮助贯彻清洁生产显示文摘本文对能够帮助从国家到企业各级清洁生产系统落实的决策支持手段,提出了基本看法.在根据每个人不同的能力、潜力和发展变化提供相应的学习内容和机会的时候,如何促使和帮助个人参加清洁生产教育并超过计划,正是本文要应对的挑战.电子学习系统能够极大限度地利用现有信息. | John E.Hay 李木子(译) | 2003 | 产业与环境2003，25，3： | 0 |
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