ISP工艺中铟的富集规律和机理探讨

本文总结了一些ISP生产厂家的生产实践，介绍了铟在ISP流程中的富集规律．简要探讨了铟在ISP的几个主要工序中的富集机理和行为。     

ISP工艺中铟的富集规律和机理探讨

本文总结了一些ISP生产厂家的生产实践,介绍了铟在ISP流程中的富集规律,简要探讨了铟在ISP的几个主要工序中的富集机理和行为。     

提高ISP工艺产能的有效途径

总结了韶关冶炼厂的生产实践,比较了主要的ISP厂家的生产状况,分析了影响ISP工艺产能的因素,提出了提高ISP工艺产能的有效途径.     

ISP熔炼工序大修周期延长研究与生产实践

通过对ISP熔炼工序主要设备:密闭鼓风炉、电热前床、冷凝分离系统的结构优化、新型耐火材料的应用及有效的炉窑特别护理措施,使ISP熔炼工序大修周期由3年延长到6年以上,个别设备可达15年以上,基本解决了ISP熔炼大修周期短、维修费用高的弊端。     

ISP工艺在韶冶的发展实践

总结了ISP在韶关冶炼厂的发展和实践，分析了影响ISP工艺生产能力的因素，提出了提高ISP工艺生产能力的有效途径。     

对ISP工艺进行改进的探讨

ISP作为一种能同时冶炼铅锌的工艺有其独特之处，自问世以来，还没有一种新的工艺能取而代之。近年来，ISP生产厂家针对该工艺的不足在不断进行改造以提高产能。ISP工艺的不足主要在鼓风烧结脱硫工序，故此，探讨用鼓风炉富氧吹炼取代烧结机的可行性。     

ISP工艺发展方向探讨

介绍ISP工艺,指出ISP工艺特点及面临问题.根据国内外一些ISP厂家的先进经验,提出了热压团、富氧烧结、焦冶结合、大量处理铅锌混合矿的工艺方法,以提高ISP工艺可持续发展能力,并对ISP工艺的发展方向作出初步的探讨.     

密闭鼓风炉炼锌工艺实践

密闭鼓风炉炼锌（ISP）是一种对原料具有较好适应性的火法炼锌方法。本文在分析了ISP工艺的基础上，根据东岭集团铅锌冶炼公司采用ISP工艺的独特实践过程，总结了该公司ISP具体生产实践、工艺流程及各主要参数对工艺过程的影响。     

提高ISP工艺产能的有效途径

文章介绍了韶关冶炼厂的生产实践,比较了所有ISP厂家的生产状况,分析了影响ISP工艺产能的因素,提出了提高ISP工艺产能的有效途径,     

提高韶冶ISP铅锌冶炼原燃料经济性途径的探讨

简单介绍了ISP铅锌冶炼工艺,分析了ISP原燃料成本状况及该原燃料条件下对工艺过程的影响,提出了提高ISP铅锌冶炼原燃料经济性的途径及相应的工艺措施。     

密闭鼓风炉炼铅锌技术改进及展望

阐述密闭鼓风炉炼铅锌技术在鼓风烧结、ISF熔炼及配套设施方面的主要技术改进。并对ISP技术发展进行了展望。     

Antibacterial activities of combination uses of isepamicin and beta-lactams in vitro against clinically isolated strains. Part 1. Activities against Staphylococcus aureus

In order to evaluate antibacterial activities of combination uses of isepamicin (ISP) and beta-lactams in vitro, minimum inhibitory concentrations (MICs) these drugs were examined singly and in combination against clinically isolated Staphylococcus aureus. The results are summarized as follows; 1. MICs of ISP + cefazolin (CEZ), ISP + cefotiam (CTM) and ISP + flomoxef (FMOX) were low and the activities against methicillin (DMPPC)-susceptible S. aureus (MSSA) were dependent on the concentration of ISP. Combined effects were observed when the concentrations of ISP were at sub-MIC levels (1/2 approximately 1/4 concentrations). 2. MICs of ISP + CEX, ISP + CTM, ISP + FMOX, ISP + imipenem and ISP + panipenem were low and the activities against DMPPC-resistant S. aureus (MRSA) were dependent on the concentration of ISP, and were similar to those against MSSA. Combined effects were observed when the concentrations of ISP were at sub-MIC levels of ISP. Lower MIC50 or MIC90 was observed at ISP concentrations of 4 approximately 16 micrograms/ml. 3. The blood Cmax of ISP exceeded 20 micrograms/ml at one-time administration of ISP 400 mg, and these results suggested that antibacterial activities of combination uses of ISP and beta-lactams was clinically effective against MRSA infections.     

ISP工艺在韶冶的发展与实践

文章分析了ISP工艺的特点，阐述了其在韶关冶炼厂的发展历程，总结了韶冶通过改造密闭鼓风炉体，改善冷凝器结构，完善工艺操作，科学的制度管理所取得的成效，提出了优化ISPTZ的主要方法。     

ISP工艺改进的可行性探讨

ISP作为不同于单纯的炼铅、炼锌这样一种冶炼工艺,从它问世以来至今还没有一种新的方法能取代它或者说还没有一种新的冶炼工艺具有相同或是相近的功能。作者在本文中所探讨的是用一种较成熟的设备替代ISP冶炼工艺中效率低、污染严重的部分而保留其核心部分的可行性。     

浅析韶关冶炼厂ISP工艺的现状与发展

阐述了韶关冶炼厂ISP工艺的现状及存在的问题,提出了改进方案和措施.     

ISP烧结工艺的特点及发展趋势

对世界ISP厂家烧结工艺的共性进行了总结，并提出了烧结工艺将来发展的方向。     

缩小主料斗喉口改善烧结料层的透气度

详细介绍了缩小主料斗喉口改善烧结料层透气度的原因,对ISP工艺烧结生产具有一定的指导意义。     

Constant-pressure coronary artery perfusion during aortic valve operations

The aim of this study was to investigate the action of isoproterenol (ISP) on the myocardium by means of light microscopy, histochemistry, autoradiography with tritiated ISP and electron microscopy. One hundred and sixty four Wistar rats were divided into 8 groups. Group A, B, C and D were given 10 mg/kg i.p. ISP (plus 5 uC of tritiated ISP). The animals were sacrificed at different intervals. Group E served as control to proceeding groups. Group F was given 10 mg/kg i.p. ISP and subjected to "holding" stress; Group G was its corresponding control. Group H received 9 mg/kg. prenylamine, as inhibiting drug, 1 hour before and hour after ISP injection. Histopathology of "infarct like" lesions presenting localized necrosis, myocytolysis, homogenization and positive tests for ischemia are correlated to the localization of tritiated ISP on sarcolemma and to changes in succine dehydrogenase enzymes in the groups A, B, C and D. Hypercontraction and widening of Z bands of sarcomers are found in electron microscopy. These ischemic changes are inhibited by prenylamine, a drug acting as moderator of catecholamine effects by slowing down Ca transport. It is concluded that myocardial necrosis induced by ISP is probably due to an increased activation of the "calcium pump". The ISP provoked lesions appear to be a promising model to study experimental myocardial necrosis.     

A computational study of the resistance of HIV-1 aspartic protease to the inhibitors ABT-538 and VX-478 and design of new analogues

The long-term clinical effects of soy protein containing various amounts of isoflavones on lipoproteins, mononuclear cell LDL receptor messenger RNA concentrations, and other selected cardiovascular risk factors are not well known. Sixty-six hypercholesterolemic, free-living, postmenopausal women were investigated during a 6-mo parallel-group, double-blind trial with 3 interventions. After a control period of 14 d, all subjects were randomly assigned to 1 of 3 dietary groups (all with 40 g protein): a National Cholesterol Education Program (NCEP) Step 1 diet with protein from casein and nonfat dry milk (control), an NCEP Step 1 diet with protein from isolated soy protein containing moderate amounts of isoflavones (ISP56), or an NCEP Step 1 diet with protein from isolated soy protein containing high amounts of isoflavones (ISP90). Non-HDL cholesterol in both the ISP56 and ISP90 groups was reduced compared with the control group (P < 0.05), whereas total cholesterol was not changed. HDL cholesterol increased in both the ISP56 and ISP90 groups (P < 0.05), whereas the ratio of total to HDL cholesterol decreased significantly in both groups compared with the control (P < 0.05). Mononuclear cell LDL receptor messenger RNA concentrations increased in subjects consuming ISP56 or ISP90 compared with the control (P < 0.05). These results indicate that soy protein, with different amounts of isoflavones, may decrease the risk of cardiovascular disease via improved blood lipid profiles, and that the mechanism by which apolipoprotein B-containing lipoproteins were depressed may be via alterations in LDL receptor quantity or activity.