PDC钻头在胜利油田深井钻井中的应用

胜利油田为提高深井钻井速度，试验应用了PDC钻头，结果表明，深井钻井应用PDC钻头可大幅度提高机械钻速，缩短建井周期，降低钻井成本，经济效益明显。通过大量的现场试验，扩大了PDC钻头在胜利油田的使用范围，并取得很好的效果，初步形成了PDC钻头推广应用区域模式。详细介绍了胜利油田不适用PDC钻头钻进的地层岩性，给出了钻头选型及钻井参数选择原则，并对应用效果进行了分析。     

Ownership-attached unblinding of blind signatures for untraceable electronic cash

In an untraceable electronic cash protocol based on blind signatures, an identified customer can withdraw a blinded electronic cash from the bank and the unblinding operation is adopted by the customer to transform the blinded electronic cash into a valid one. Before performing the operation, the blinded electronic cash is protected well since attackers cannot convert it into a valid electronic cash without the blinding factor corresponding to the operation. However, after unblinding, the electronic cash will suffer from the theft attacks since it is not protected by any security mechanism. This paper introduces a new unblinding operation called ownership-attached unblinding which attaches the identities of a designated payee and a specified transaction to the blinded electronic cash and then produces an ownership-attached electronic cash other than a bare one such that the cash can withstand the theft attacks during the entire transaction because it is valid for the designated payee and the specified transaction only. Furthermore, the proposed scheme does not largely increase the computation cost required for each customer so that it also is a customer efficient protection solution for untraceable electronic cash and especially suitable for mobile clients and smart-card users.     

邻异丙基酚的生产及应用

介绍了邻异丙基酚国内外研制、生产和应用情况，以及２，６－二异丙基酚的用途。     

稀溶液黏度法测定聚合物共混物相容性理论及应用

以经典的Huggins方程和特性黏度为理论基础，通过测定聚合物共混物稀溶液黏度来确定共混物相容性。对相容性判据△b、△B、α、μ和k23进行了分析归纳，并用实例说明了此方法的可行性。     

Incorporating If...Then...Personality Signatures in Person Perception: Beyond the Person-Situation Dichotomy.

Three studies investigated conditions in which perceivers view dispositions and situations as interactive, rather than independent, causal forces when making judgments about another's personality. Study 1 showed that perceivers associated 5 common trait terms (e.g., friendly and shy) with characteristic if...then... (if situation a, then the person does x, but if situation b, then the person does y) personality signatures. Study 2 demonstrated that perceivers used information about a target's stable if...then... signature to infer the target's motives and traits; dispositional judgments were mediated by inferences about the target's motivations. Study 3 tested whether perceivers draw on if...then... signatures when making judgments about Big Five trait dimensions. Together, the findings indicate that perceivers take account of person-situation interactions (reflected in if...then... signatures) in everyday explanations of social behavior and personality dispositions. Boundary conditions are also discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

声光技术在光纤系统中的应用

本文简要介绍了在光纤通信、光纤传感和光纤信号处理枝术等各种光纤系统中可能开发应用的固体声光技术和光纤声光技术。     

基于XUL开发富客户端应用程序

首先本文介绍了开发富客户端应用程序的RIA技术,然后对当前一种可用的RIA技术—XUL的各方面特性以及由它实现富客户端的途径做了深入探讨,最后通过一个项目实例-订单管理系统演示了基于XUL开发富客户端应用程序的一种实现。     

SDQ941地化-气测综合录井仪

地化-气测录井仪将地化、气测二种成熟的技术,有机地结合在一起.地化、气测数据在同一软件下运行,可达到技术互补的优势,克服了单一录井方法录取资料单一片面的缺陷,有利于提高油气层的发现率和解释成功率,为实现录井仪器和录井服务向综合型发展的战略创造了条件。该文主要介绍了仪器的构成、功能及计算机软件的特色,并阐述了该仪器的技术装备优势及应用前景。     

基于Android的智能手机应用开发的研究

伴随着国家正在大规模建设3G网络,智能手机使用普及率也在不断的提高。手机不仅仅是一个简单的通信工具,它被赋予了更加优质而强大的功能,智能手机正在改变着人们的工作方式和生活方式．我们已经步入了移动互联网时代。Android作为智能手机的新宠得到了飞速的发展,受到大家的关注而被广泛的应用,Android平台的应用程序开发的群体也在逐渐地壮大起来。     

SIMUWORKS仿真软件的应用研究

SIMUWORKS涵盖了系统优化设计与调试、过程仿真培训、故障诊断、复杂系统动态特性建模研究、专家系统等各个方向的应用,提供了一整套完备的全过程支撑、一体化、通用的应用环境,其根本是以微机环境为基础的应用平台。软件部分采用了面向对象的图形化建模方法、分布式实时数据库技术和动态内存机器码生成技术,在国内外仿真领域处于领先地位。