高炉煤气余压透平与电动鼓风机组同轴驱动的设计与投运

介绍了国内第一台由高炉煤气余压透平与电动机同轴双能源驱动的高炉鼓风机组的参数、设计特点和投运情况,也简述了同轴机组的优点。     

济钢烧结厂节能降耗的探索与实践

鉴于我国目前能源比较紧缺的状况,如何降低能源消耗及实现能源的循环利用,是各行业的共同努力方向。济钢烧结厂近年来从工艺技术和工艺改造等方面着手,不断挖掘降低工序能耗的潜力,经过不懈的努力,取得了比较明显的效果。     

Urocortin 1 and 3 Impair Maternal Defense Behavior in Mice.

Lactating female mice fiercely defend offspring while exhibiting decreased fear and anxiety. Recent work (J. S. Lonstein & S. C. Gammie, 2002) found that intracerebroventricular (icv) injections of corticotropin releasing factor (CRF), a putative anxiogenic peptide, inhibit maternal defense behavior. This study examines effects of CRF-related peptides, urocortin (Ucn) 1 and Ucn 3, on maternal aggression in mice. Intracerebroventricular injections of both Ucn 1 (0.2 μg) and Ucn 3 (0.5 μg) reduced aggression but not pup retrieval. c-Fos levels were elevated by intracerebroventricular injections of Ucn 1 (0.2 μg) and Ucn 3 (0.5 μg) in 2 and 6 brain regions, respectively; however, both triggered increases in bed nucleus of the stria terminalis dorsal (BNSTd) and lateral septum (LS). These findings suggest that CRF-related peptides similarly modulate maternal aggression and that BNSTd/LS may be critical sites for negative regulation of maternal aggression. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Recent Progress on Non‐oriented Silicon Steel

Control of crystalline orientation and consequent enhancement of magnetic properties are important for decreasing core loss of non‐oriented silicon steel as well as grain‐oriented silicon steel. Through the development of special process techniques to produce clean refined steel, it is now possible to use any element to improve the crystalline texture control of steel without producing harmful effects. Utilization of these effects have actually lowered the core loss and raised the magnetic flux density of the products, and a product series of high‐efficiency non‐oriented silicon steel has been developed. Recently, demand has grown for non‐oriented silicon steel with particular properties, such as lower core loss at high frequencies or high strength, as high‐speed motors have progressed in regard to high efficiency and miniaturization. In response to this trend, non‐oriented thin gauge silicon steel with a thickness of 0.20 and 0.15mm and high strength non‐oriented thin gauge silicon steel with the same thickness but a yield strength of more than 570MPa and 780MPa have been developed.     

Kovar封装CMOS器件X射线剂量增强效应研究

在器件的金属化层及封装等结构中，高原子序数材料在低能X射线的辐照下，会在相邻的低原子序数材料中产生剂量增强效应，从而使得器件性能严重退化。主要介绍了柯伐封装的CMOS器件，在X射线和γ射线辐照下，其辐照敏感参数阈值电压和漏电流随总剂量的变化关系。并对实验结果进行了比较，得出低能X射线辐照对器件损伤程度大于γ射线，对剂量增强效应进行了有益的探讨。     

Development and evaluation of the Air Travel Stress Scale.

Despite anecdotal evidence suggesting that air travel is personally demanding, little research has examined air travel stress. To address these issues, the author developed and evaluated the 1st known measure of air travel stress--the Air Travel Stress Scale--in 3 studies. Exploratory and confirmatory factor analysis indicated 3 components: (a) anxious reactions to adverse air travel events, (b) angry reactions to other passengers as well as an antecedent of air travel stress, and (c) the lack of trust that the airlines/airports will ensure one's comfort and safety. Each component had good internal reliability and test-retest reliability over a 6- to 7-week interval. Each component showed evidence for discriminant and convergent validity. Implications for research into understanding and intervening on air travel stress are discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

A Discrepancy in Analyses of the MSCEIT--Resolving the Mystery and Understanding Its Implications: A Reply to Gignac (2005).

Replies to comments made by G. E. Gignac (see record 2005-06671-010) on the current authors' original article (see record 2003-02341-015). Gignac reanalyzed the factor structure of the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT) and found results that differed from those the authors obtained initially. The authors tracked down the surprising sources of those discrepancies. G. E. Gignac's hierarchical model of emotional intelligence appears promising, and the authors anticipate that further investigations of the MSCEIT factor structure may yield additional information. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Assessing Positive and Negative Changes in the Aftermath of Adversity: Psychometric Evaluation of the Changes in Outlook Questionnaire.

The Changes in Outlook Questionnaire (CiOQ; S. Joseph, R. Williams, & W. Yule, 1993) is a 26-item self-report measure that was designed to assess positive and negative changes in the aftermath of adversity. This article had 3 aims: 1st, to investigate the factor structure of the CiOQ; 2nd, to test for internal consistency reliability and convergent and discriminant validity; and, 3rd, to investigate the association between positive and negative changes in outlook, posttraumatic stress, and psychological distress. Three studies are reported. Study 1 provides evidence that positive and negative changes are statistically separable and that the 2-factor model is a better fit than the 1-factor model. Studies 2 and 3 provide evidence for internal consistency reliability, convergent and discriminant validity of the CiOQ, and its associations with posttraumatic stress and psychological distress. In conclusion, the CiOQ has much promise for research on responses to stressful and traumatic events. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Effect of electric charge accumulation on low energy ion implantation in insulators

Charge accumulation at the surface of insulators during low energy ion implantation is related to two processes: ion impinging on the sample and secondary electron emission. Samples composed of a piece of Si (having the size of the ion beam) fixed on the centre of polyethylene (PE) coupons have been implanted with 2.2 keV H₂ ions to a fluence of 2 × 10¹⁶ H/cm². ERD (Elastic Recoil Detection) depth profiles of the implanted ions are shallower with an increase of the PE coupon size. The relative critical Si/PE size to repel all the incident ions is around 1.1 × 1.1 cm²/2.5 × 2.5 cm². The potential of the secondary electron suppressor has been varied from −500 V to +500 V. It changes the secondary electron distribution around the implanted area and, consequently, affects the accumulation of charges at the sample surface. When the potential is 0 V, a uniform ion implantation with little effect of charge accumulation for all sizes of PE coupons is obtained. A two-dimension model has been performed and gives a good explanation for the mechanism of the electric charge neutralisation.     

Analysis of nuclear proliferation resistance

All the civil nuclear energy systems could contribute to the proliferation risk that weapons-usable material might be diverted or misused for the weapons purpose by terrorists or states. Proliferation-resistant nuclear energy systems are of great importance for the peaceful use of nuclear energy by impeding the diversion or undeclared production of weapons-usable material by states. Since the National Alternative Systems Assessment Program (NASAP) carried out the assessment of proliferation resistance of the civil nuclear energy systems in late 1970s, several comprehensive studies have been performed, including the International Nuclear Fuel Cycle Evaluation (INFCE) by the International Atomic Energy Agency (IAEA), the Spent Fuel Standard by the United States National Academy of Science, the Technical Opportunities for Increasing the Proliferation Resistance of Global Civilian Nuclear Power Systems (TOPS) by the United States Department of Energy, the International Project on Innovative Nuclear Reactors and Fuel Cycles (INPRO) Methodology by the IAEA, and the Generation IV Nuclear Energy Systems (Gen IV) by the Gen IV International Forum. However, all these studies appear lack in the interpretation of country-specific proliferation risk that is arbitrary imposed to the specific countries by major nuclear weapons states, even though the countries are members of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). This paper outlines the assessments of proliferation resistance of the above studies, points out the country-specific proliferation risk, and suggests further studies to increase the proliferation resistance of the civil nuclear energy systems in the specific NPT member countries such as South Korea.