催化柴油加氢精制催化剂的研究

研制出以物质A和氧化铝为复合载体,以钨-镍为活性组分的柴油加氢精制催化剂;以大庆重油催化轻柴油为原料,在反应压力7.0 MPa,氢油体积比500:1,体积空速0.8h-1,反应温度330℃的工艺条件下,生成油硫含量＜15μg/g,满足世界燃油规范Ⅲ类清洁柴油标准.     

FCC/DCC油在240万吨/年柴油精制装置中的应用

针对240万吨/年柴油精制装置反应器温升小,加热炉负荷高,燃料消耗高等问题,延安石油化工厂通过分析原因,增设了FCC/DCC油专线。原料油中掺炼FCC/DCC油后,反应器温升提高了8℃以上,有效解决了加热炉负荷高的问题,消除了安全隐患。     

Who shapes network neutrality policy debate? An examination of information subsidizers in the mainstream media and at Congressional and FCC hearings

Recognizing policy-making process as a communicative process, this study examines who has subsidized information relating to the net neutrality policy debate. Empirical data has been collected from net neutrality stories published in four national newspapers, as well as from hearings by Congress and the Federal Communications Commission (FCC), during the period of February 2004 through January 2009. Study findings reveal that corporate interests have played a significant role in subsidizing information on net neutrality, both to the public through the mainstream media and to legislators through Congressional hearings. Furthermore, study results show that experts played a larger role in defining net neutrality through the mainstream media and FCC hearings than they did through Congressional hearings. Finally, the role of advocacy group representatives was more apparent at Congressional hearings than via the other two available information channels.     

Sex and Shock Jocks: An Analysis of the Howard Stern and Bob & Tom Shows

SUMMARY

Studies of mass media show that sexual content has increased during the past three decades and is now commonplace. Research studies have examined the sexual content of many media, but not talk radio. A subcategory of talk radio, called “shock jock” radio, has been repeatedly accused of being indecent and sexually explicit. This study fills in this gap in the literature by presenting a short history and an exploratory content analysis of shock jock radio. The content analysis compares the sexual discussions of two radio talk shows: Infinity's Howard Stern Show and Clear Channel's Bob & Tom Show.     

Toll-free numbers: Demand,property rights,and public policy

The demand for Toll Free Numbers (TFNs) languished from 2000 to 2008; however recent growth in demand caused the FCC to open a new toll-free code (855) with the possibility of new code openings in the next three years. The analysis here indicates the demand for TFNs is highly inelastic (the coefficient for own price elasticity for TFNs is approximately −0.04). This has implications for concerns regarding future exhaust of toll-free codes and the price structure for recovery of SMS/800's costs. This article considers the effects of the limited property rights for TFN, and welfare implications of gray markets for vanity TFNs. The FCC's allocation mechanism for new 855 codes is considered and whether other allocation mechanisms, such as auctions, could be welfare superior.     

The reluctant regulator: The Rural Utilities Service and American broadband policy

Drawing on the increasing body of literature on policy stakeholders and the ever-growing acknowledgement that communication policy is crafted by more than just parliamentarians and formal communication regulators this paper examines the role that another set of regulators plays in communication policy: agriculture regulators. Based on a study of the United States Department of Agriculture's Rural Utilities Service (RUS), this paper explores alternative agents of communication policy. More specifically, through document analysis we examine the way in which the Rural Utilities Service has shaped rural broadband policy in the United States over the last three decades. The implications for this research are wide, as it brings another policy actor into the policy making melee, and pushes communication policy scholars to consider the role that non-traditional communication regulators play in the communication policy making process.     

Using the Hicks formula to evaluate an estimate of the elasticity of derived demand for toll-free numbers

Duffy-Deno & Parsons D-D & P (2012) estimated the coefficient for the price elasticity of demand for toll-free numbers (TFNs) at between −0.04 and −0.05. Here, the Hicks formula for derived demand is used to check the range of likely demand elasticity for TFNs given the special characteristics of this market. This approach suggests that the demand for TFNs is likely not more elastic than estimated by D-D & P. Therefore, the premise is sound for D-D & P's discussion of the public policy implications of highly inelastic demand for TFNs. The use of industry information for all four parameters of the Hicks formula to check a derived demand elasticity is the first of its kind in the published literature.     

汽油降硫助剂在催化裂化装置中的应用

为解决催化汽油硫含量高的问题,满足产品质量升级的要求,中海石油炼化有限责任公司惠州炼油分公司120万t/a催化裂化装置自2010-05-24到2010-09-03试用了Grace Division公司提供的GSR5-HZ降硫助剂,考察了该助剂的降硫效果.工业应用结果表明:该降硫助剂流化性能及稳定性能较好,与主催化剂CG...     

浅谈石油冶炼过程中的催化裂化技术及应用

催化裂化技术在我国石油冶炼过程中的地位举足轻重,随着催化裂化(FCC)技术的不断发展,已成为我国石油冶炼、加工的重要手段,也是我国炼油的核心技术及保障石油化工企业收益的中流砥柱。     

催化裂化汽油脱硫的技术进展

催化裂化汽油脱硫技术分为加氢脱硫和非加氢脱硫,本文介绍了两类催化裂化汽油脱硫的机理,并对国内外汽油脱硫技术的进展加以综述.