锌冶炼技术现状及发展探讨

介绍了主要湿法炼锌技术的基本原理、工艺过程和技术经济指标。分析了各工艺的技术特点,探讨了锌冶炼技术的发展方向。     

湿法炼锌浸出沉矾沉铁工艺探讨北大核心

比较了常规黄钾铁矾法与低污染黄钾铁矾法沉铁的优缺点,针对常规黄钾铁矾法铁矾渣含锌高以及低污染黄钾铁矾法无法处理高铁原料的问题,提出常规黄钾铁矾法与低污染黄钾铁矾法联合沉铁新工艺。     

湿法炼锌浸出沉铁探讨

介绍了湿法炼锌的常规浸出法、黄钾铁矾法、针铁矿法沉铁热力学、动力学条件，以及提高湿法炼锌浸出沉铁速度和沉铁效果的影响因素，并结合株冶浸出厂沉铁的现状，提出应采取的措施。     

我国湿法炼锌技术的发展与展望

介绍了我国湿法炼锌各种工艺技术及发展过程，提出应借鉴国外湿法炼锌新技术来加速我国湿法炼锌工业的发展。     

高锑锌焙烧料的处理

以含锑高的锌焙烧料为原料,采用黄钾铁矾法炼锌工艺,降低锑在中性浸出中的浸出率,使中性浸出液 Sb< 5 mg/L。经二段锌粉净化,溶液中 Sb< 0.1 mg/L符合电积要求。酸浸进入溶液中的 Sb,在沉矾过程中进入矾渣。扩大试验验证,控制锑在中性浸出过程中的浸出率,黄钾铁矾法可以处理含锑高的锌焙烧料。     

锌浸出渣不同处理工艺浅析

扼要介绍锌浸出渣处理的回转窑辉发法（又称威尔兹法）和热酸浸出黄钾铁矾法的工艺原理。特点及其现状与发展。对两种工艺的生产运行费用作了估算对比。回归窑挥发法只产出一种无害的窑渣，并可加以利用，锌总回收率较高；热酸浸出黄钾铁矾法投资省，流程短，工作环境较好。通过完善具有较强竞争力。     

对湿法炼锌中热酸浸出-黄钾铁矾工艺的探讨

通过西北铅锌冶炼厂热酸浸出-黄钾铁矾工艺的生产实践,对热酸浸出-黄钾铁矾工艺的原料适应性、设备适应性、锌总回收率、资源综合回收等问题的反思,提出热酸浸出—黄钾铁矾工艺存在的弱点和缺陷,并结合西北铅锌冶炼厂的实际情况,提出工艺改造方案。     

论常规法与热酸浸出黄钾铁矾法炼锌工艺流程的选择

介绍了两种湿法炼锌工艺流程的比较,并结合国内生产实践,推荐优先选用常规法。     

锌氧压浸出工艺现状及技术进展

本文在广泛收集整理国内外有关锌精矿氧压浸出研究成果的基础上,对锌冶炼氧压浸出工艺的生产现状及技术进展进行了详细介绍。     

Clofibrate therapy--the status quo

Clofibrinic acid (Regadrin) is the effective substance of clofibrate. Clofibrate is one of the lipid-decreasing medicaments; which are used for the longest time and which are most effective. It has an influence above all on the metabolism of triglycerides, but also on the metabolism of cholesterol. The reduction of coronary morbidity and mortality by clofibrate was proved in a number of follow-up studies. An increased incidence of cholelithiasis may be a side-effect of the clofibrate therapy. Prefered indications for clofibrate are hypertriglyceridaemias in HLP type IIb, III, IV and V an (in combination with other drugs) therapy-refractery hypercholesterolaemias in HLP type IIa and IIb.     

我国轧钢技术装备水平的现状及分析

探讨和分析了我国钢铁工业各类轧机的设备现状、生产能力、水平等级、技术进步、存在的问题及发展方向，希望能对促进我国轧钢行业技术装备的发展及现代化有参考作用     

Aspirin in essential thrombocythemia: status quo and quo vadis

Aspirin has a well established role in the prevention of arterial thrombosis. Discussion on the efficacy and safety of aspirin in the treatment and prophylaxis of thrombosis in essential thrombocythemia (ET) has become an important issue. The rationale for its use in ET comes from the observation that arterial thrombosis and platelet-mediated microcirculatory disturbances are the major causes of morbidity and mortality in ET. Experimental data have shown persistently elevated levels of thromboxane A2 (TXA2) in ET patients probably reflecting an enhanced in vivo platelet activation. Increased TXA2 biosynthesis and platelet activation in vivo in ET are selectively suppressed by repeated low doses of aspirin. ET-related symptoms such as erythromelalgia, transient neurologic and ocular disturbances are sensitive to aspirin. However, the benefit of low-dose aspirin is still uncertain in the primary prevention of thrombosis in ET. Furthermore, aspirin may unmask a latent bleeding diathesis frequently present in ET which may result in severe hemorrhagic complications. Thus, aspirin is contraindicated in ET patients with a bleeding history or a very high platelet count (> 1500 x 10(9)/L) leading to the acquisition of von Willebrand factor deficiency. If indicated, aspirin is presently used in the widely accepted low-dose regimen of 100 mg daily. However, an optimal effective dose has not yet been established. To further evaluate the efficacy and safety of aspirin in ET, prospective clinical trials are needed.     

Psychology and the status quo.

There is little doubt that psychology has left its imprint on 20th century society. There should also be little doubt that socioeconomic, cultural, and political trends have shaped the methods and content of the discipline to a large extent. However, an alleged immunity to ideological influences within the profession has obstructed an in-depth examination of the interaction between social forces and psychology. The penetration of the prevalent ideology in the realm of psychological knowledge often results not only in an uncritical acceptance of the status quo but also in an active endorsement of it. Desiderata for a psychology at the service of social change are considered. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

AIN陶瓷活性封接技术的研究概况

AlN陶瓷具有优异的热、电、力学等综合性能,在许多高技术领域具有广泛的应用前景。但由于AlN陶瓷的一些固有特性限制,通常需要与其他材料封接后才能使用。AlN陶瓷与其他材料封接的方法很多,在诸多的封接方法中,活性金属法以其适用面广、连接强度高、工艺简单、高效可靠等优点引人注目。该文主要介绍近年来AlN陶瓷活性封接技术的研究状况,包括在活性钎料、反应润湿、界面反应、连接强度及与其他材料封接等方面的研究状况,指出有待进一步研究的问题。     

南方离子型稀土矿提取技术研究现状及展望

综述了南方离子型稀土矿化学提取技术的研究进展,并指出南方离子型稀土矿的化学提取技术的发展方向主要是新型高效低污染浸取剂和沉淀剂的研发、原地浸矿过程中的扩散和传质机理、强化浸取过程的深入研究、复杂难利用资源的开发等几个方面.      

中国原铝工业现状与竞争力分析

结合国内外原铝工业的资源、能源、原材料现状,分析我国原铝工业的建设规模、运营成本等市场竞争力,并提出合理建议.     

我国冶金标准样品发展及现状

对冶金标准样品的起源、现状和发展进行了述评,特别是对物理性能标准样品是潜在的研制方向、标准溶液的研制前景广阔、铸铁类标准样品的研制水平仍需要提高以及新材料、新的检测领域的标准样品有待开发研制等方面进行了论述.     

难处理金矿石选冶技术现状及发展方向

我国难处理金矿资源分布较广，并且在已探明的地质储量中占有较大比例。合理，高效和环保地开发利用难处理金矿资源的关键在于难处理金矿石选冶技术的开发和工业化应用程度，从国内外金矿石冶技术的应用和发展趋势分析，焙烧氧化，细菌氧化和热压氧化3种预处理工艺将成为未来开发利用难处理金矿资源的基本工艺。针对国内难处理金矿资源的特点，进一步开展上述预处理工艺的工程化应用研究，是今后我国黄金生产工业发展的主要方向之一。     

弹簧钢材料的现状与需求

介绍了弹簧钢材料的重要性及其的性能,分析了国内弹簧铜的现状,从弹簧制造业方面阐述了企业的需求。对企业生产有一定的指导意义。