定位格架因科镍718双弹簧成形工艺及模具

双弹簧是燃料组件定位格架的重要零件，根据双弹簧成形工艺和毛坯尺寸的分析计算，确定了两种工艺和排样设计，同时设计了一付双弹簧斜楔滑块打弯成形进模，经试冲表明，采用新的成形级进模生产的产品，其各项成形指标均达到技术要求。     

褐煤提质技术的应用现状及前景

褐煤提质技术分为脱水提质、成型提质、热解提质3类。介绍了国内外典型褐煤提质技术的应用情况,以及开发褐煤提质所面临的技术、市场、政策等方面的风险。对我国褐煤提质技术的发展和应用前景进行了分析,认为褐煤提质是其作为发电用煤的重要环节,应细分提质褐煤的应用市场,提高其经济价值。     

Inclusion of fatigue effects in human reliability analysis

The effect of fatigue on human performance has been observed to be an important factor in many industrial accidents. However, defining and measuring fatigue is not easily accomplished. This creates difficulties in including fatigue effects in probabilistic risk assessments (PRA) of complex engineering systems that seek to include human reliability analysis (HRA). Thus the objectives of this paper are to discuss (1) the importance of the effects of fatigue on performance, (2) the difficulties associated with defining and measuring fatigue, (3) the current status of inclusion of fatigue in HRA methods, and (4) the future directions and challenges for the inclusion of fatigue, specifically sleep deprivation, in HRA.     

陶艺的嬗变——浅论现代陶艺的创作

不同时代的作品有着不同的艺术风格和工艺特点。现代陶艺的创作在工艺技术方面吸收了传统陶瓷艺术的装饰技法、成型方法,其现代是表现形式的现代和概念的现代。我们应该把握好传统与现代的融合,注重创新与传承的关系。     

Goal-directed responding is sensitive to lesions to the prelimbic cortex or basolateral nucleus of the amygdala but not to their disconnection.

The current view of instrumental conditioning indicates that performance in the early stage of training is maintained by a representation of the outcome, as indexed by its sensitivity to changes in the value of the reward. In the present study, the authors tested the effects of a disconnection of the prelimbic cortex (PL) and the basolateral nucleus of the amygdale (BLA), using an asymmetric lesion procedure, to determine whether these structures interact sequentially as part of a corticolimbic system. In marked contrast to the effects of bilateral lesions of the PL or the BLA, which both altered rats' sensitivity to outcome devaluation, the disconnection of these 2 brain areas was without an effect on outcome devaluation. These results demonstrate that the PL and the BLA mediate different aspects of outcome representation in goal-directed responding. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

四环阵天线的分析及其方向图赋形设计

四环阵天线技术 ,从美国引进以来 ,在 15 0 - 40 0 M频段各类通信系统中 ,已得到了极为广泛的应用 ,但迄今为止 ,尚未见到对这种天线进行讨论的专门文献。作者根据多年来的实践工作与设计经验 ,对四环阵天线进行了基本的分析 ,特别是对有重要实用价值的赋形波瓣异型四环阵的设计进行了充分的讨论。     

激光快速成形技术在车身开发中的应用

结合实际，提出了用CAD技术在计算机内构造零件模型，用激光快速成型的方法加工原理，再用原型快速制造模具试制样件，样车的方法。     

Operation with 1 MA plasma current in EAST

Discharge with a plasma current of 1 MA at a line-averaged density of 1.8×1019m-3 was realized in EAST, a fully superconducting tokamak. The key issues to achieve the discharge with 1 MA plasma current include both early shaping and LHCD assistance during start-up phase to extend the voltage margin of PF coils for easier plasma control, an optimization of the control methodology for PF coils to avoid over-current fault and a very good wall condition. A better wall condition was achieved mainly by extensive Lithium coating. Both stationary H-mode and diverted plasma discharge of 100 s were also obtained.     

The role of the nucleus accumbens core in impulsive choice, timing, and reward processing.

The present series of experiments aimed to pinpoint the source of nucleus accumbens core (AcbC) effects on delay discounting. Rats were trained with an impulsive choice procedure between an adjusting smaller sooner reward and a fixed larger later reward. The AcbC-lesioned rats produced appropriate choice behavior when the reward magnitude was equal. An increase in reward magnitude resulted in a failure to increase preference for the larger later reward in the AcbC-lesioned rats, whereas a decrease in the larger later reward duration resulted in normal alterations in choice behavior in AcbC-lesioned rats. Subsequent experiments with a peak timing (Experiments 2 and 3) and a behavioral contrast (Experiment 4) indicated that the AcbC-lesioned rats suffered from decreased incentive motivation during changes in reward magnitude (Experiments 2 and 4) and when expected rewards were omitted (Experiments 2 and 3), but displayed intact anticipatory timing of reward delays (Experiments 2 and 3). The results indicate that the nucleus accumbens core is critical for determining the incentive value of rewards, but does not participate in the timing of reward delays. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

单模态振动机构输入整形振动主动控制研究

小阻尼单模态振动机构的动力学特性表现为长时间减幅振动特性,如果仅仅采用小冲击的输入信号来抑制系统的振动,就可能降低系统的响应速度。为了有效解决这一问题,将时滞环节引入控制系统中,提出PD结合输入整形控制策略,研究在S型曲线输入信号作用下PD结合输入整形控制系统的振动特性,定量分析输入整形对单模态振动机构振动幅值的作用规律。在相同反馈增益的情况下与PD反馈控制相比较,PD结合输入整形控制系统的响应无超调,而且输入整形在半个振动周期内消除单模态振动机构的残留振动,从而减小了系统的稳定时间,提高了系统的响应速度。