单一节理岩体R—R破坏准则及参数确定

为评价岩体中节理对岩体强度特性的影响，分析了单一节理的分布性状，介绍了单一节理岩体破坏的Ｒａｏ－Ｒａｍａｍｕｒｔｈｙ准则及其参数试验确定方法，并应用于峨口铁矿采场边坡两种典型的单一节理岩体强度的研究。     

会泽铅锌矿方铅矿、闪锌矿和黄铁矿的浮游性研究

本文考查了ZnSO4和可溶性淀粉对方铅矿、闪锌矿和黄铁矿浮游性的影响，为会泽铅锌矿铅硫异步等可浮工艺提供了理论依据。试验结果表明，在乙黄药浮选体系中，ZnSO4和可溶性淀粉强烈抑制闪锌矿，而对方铅矿和黄铁矿的浮游性影响不大，且两者的浮游性相近。     

金精矿超声波强化硝酸预氧化提金研究

本文提出了常压低温下对原生金矿预处量的一种新方法，对于含硫较高的原生矿，采用超声波强化硝酸预氧化处理工艺，处理后的氧化渣采用氰化浸出，金的浸出率同硝酸直接氧化后氰化浸出相比。有显著提高，该方法氧化时间短，对设备要求低，具有一定的生产价值。     

CONFINING PRESSURE EFFECT ON ACOUSTIC EMISSIONS IN ROCK FAILURE

Based on the phenomenon that acoustic emissions (AE) generated by rock massincreas uddenly because of underground excavation, time sequence of AE rate in rock failurehas been discussed by using statistical damage theory. It has been demonstrated that how theinfluence of confining pressure on the deformation behavior and AE characteristics in rocks can beinferred from a simple mechanics model. The results show that loading confining pressure sharplybrings out increasing of AE. On the other hand, few AE emits when confining pressure is loadedsharply, and AE occurs again when axial pressure keeps on increasing. These results have beenwell simulated with computer and show close correspondence with directly measured curves“ inexperiments.     

建筑施工企业如何在工程施工阶段进行成本控制

建筑施工企业在工程建设中实行施工项目成本管理是企业生存和发展的基础和核心,在施工阶段搞好成本控制．达到增收节支的目的是项目经营活动中更为重要的环节，将对这一问题进行论述，以便在企业的生产经营中起指导作用。     

清水泵间接驱动竖井液力提升技术模拟研究

工业过程的连续化是提高效率,降低消耗和改善作业环境的有效技术途径,也是其工艺技术水平发展的重要标志.清水泵间接驱动竖井液力提升技术借鉴相关领域的已有技术成就,并结合竖井提升的功能要求综合设计而成的一个全新的提升方案.有别于国外在矿山竖井液力管道连续提升的破磨造浆-浆泵(均质两相流)-固液分离的技术思路,对妨碍其大规模工业应用的提升能力(尤其是提升高度)、设备磨损、增压给矿及浓度控制、能耗等一系列技术难题均有所突破.模拟试验证明了这一创新方案的可行性.     

选矿工艺设备配置图智能CAD系统的研究

对近年来选矿厂ＣＡＤ的研究工作进行了评述，探讨了智能ＣＡＤ技术在选矿工艺设备配置设计中的应用。     

铝酸钠溶液中晶体附聚机理研究

本文研究了铝酸钠溶液中晶体的附聚机理。认为晶体的附聚过程为：晶体中粒度相对最小且粒度相近的粒子发生附聚，形成略大些颗粒，略大一些颗粒且粒度相近的粒子又发生附聚，这样依次实现的过程，直到溶液过饱和度不能满足对应粒级粒度粒子发生附聚的要求为止。     

大面积复杂场地条件下高等级施工测量技术研究

针对上海国际赛车场大面积高等级工程测量控制的要求，介绍了用GPS（卫星导航定位系统）与全站仪相结合布设二级控制网，建（构）筑物定位放样测量及控制实施过程，确保工程达到网际汽联的质量验收标隹。     

Treatment of gas-phase methanol in conventional biofilters packed with lava rock

The performance of laboratory scale methanol-degrading biofilters packed with lava rock was checked during almost 1 yr under different conditions. The biomass concentration and biomass adaptation of the inoculum dramatically affected the start-up and the performance of the systems during the first stages of operation. A fast start-up was obtained when using concentrated and adapted inocula, while diluted or non-adapted inocula proved to be much less efficient. The performance of the reactor during long-term operation was significantly affected by the toxic load and moisture content of the gas. Critical loads between 120 and 280 g/m(3)h were reached during different phases of the study. The reactor had a high stability to EBRT changes when working at values between 48.0 and 91.1s, showing little or no negative effect when decreasing the EBRT. Hardly any difference was observed regarding performance when using either a downflow or upflow feed, although slightly better results were obtained when working in a downflow mode.