Testing the Effects of Constraints on Climate Change–Friendly Behavior among Groups of Australian Residents

This study explores the relationship between Australian's attitudes toward climate change impacts on the Great Barrier Reef (GBR) and environmentally responsible behavior (ERB). We hypothesize that general attitudes toward climate change, subjective norms, and perceived behavioral control predict intended and reported behavior, and that attitude negatively influences constraints on adopting ERB. The moderating effect of residential condition (urban vs. rural contexts) was tested across these hypothesized relationships. We randomly selected 200 individuals from eight regions: Five within 50 km of the GBR Coastline and three from the Statistical Metropolitan Areas in Australia. We yielded 1,623 surveys by telephone interviews. Findings confirm our hypotheses and suggest the most important predictor of intentions is perceived behavioral control. The two groups of respondents (urban vs. rural) illustrate different relationships. This study offers insight on how managers of the GBR can effectively shape residents' behavioral tendencies that minimize human impacts on the natural environment.     

天然海水中15CDV6/MDN138及15CDV6/MDN250合金的电流相互作用（英文）

The galvanic corrosion behavior of the metal combinations 15 CDV6/MDN138 and 15 CDV6/MDN250, with 1:1 area ratio, has been studied in natural seawater using the open well facility of CECRI's Offshore Platform at Tuticorin for a year. The open circuit potentials of MDN138, MDN250, and 15 CDV6 of the individual metal, the galvanic potential and galvanic current of the couples 15 CDV6/MDN138 and 15 CDV6/MDN250, were periodically monitored throughout the study period. The calcareous deposits on MDN138 and MDN250 in galvanic contact with 15 CDV6 were analyzed using XRD. The electrochemical behavior of MDN138, MDN250, and 15 CDV6 in seawater was studied using an electrochemical work station. The surface characteristics of MDN138 and MDN250 in galvanic contact with 15 CDV6 have been examined with a scanning electron microscope. The results of the study reveal that the galvanic protection offered by15 CDV6 to MDN250 and MDN138 in natural seawater amounts to 93% and 98%, respectively, implying that the galvanic protection offered by 15 CDV6 is continuous and effective, which has been further evinced from the adherent nature of the calcareous deposit film comprising compounds such as CaCO_3(calcite, aragonite, and vaterite), MgCO_3(magnesite),Mg(OH)_2(brucite), and MgO(brucite).     

一种软开关斩波器低频段传导干扰建模仿真

本文基于实验测量的器件参数及系统寄生参数,建立了挂接在直流电网的一个软关断斩波器的Simulink传导干扰分析模型,通过时域Simulink仿真得到系统的LISN输出电压波形及低频段(0~150 k Hz)传导干扰计算结果,与实测结果比较吻合。研究发现总传导干扰呈现为在开关频率整数倍处出现较大值的规律,总体趋势是传导干扰自30 k Hz起随频率增加而增加。而差模干扰随频率增大而减小,共模干扰随频率增大而增大。故可认为该系统的主要传导干扰是共模干扰。     

船舶智能结构振动反馈控制研究

针对船舶结构特点,以压电(PZT)材料作为反馈传感器和控制作动器,粘贴在船舶板梁结构表面,形成智能结构反馈控制闭环系统,使结构振动得到有效控制。从PZT材料的本构方程出发,建立了压电智能结构的传感器、作动器以及振动控制有限元方程,并用ANSYS软件进行了数值仿真研究。数值算例验证了智能结构在结构尺寸和厚度比较大的船舶板梁结构振动控制的可行性,可以给船舶结构振动控制提供一种新的途径。     

轻轴载对薄弱路面结构的影响分析

通过对县乡公路交通组成的分析,轻轴载、小交通量是其最大的特点,其路面一般比较薄弱,本文利用有限元软件对结构层的受力特点进行了计算,得出轻轴载对薄弱路面结构的影响规律。     

不同防治措施对边坡位移场影响的数值模拟

文章以西攀路K79 442~K79 570边坡工点为对象,对该工点分别采取抗滑桩、挡土墙、锚杆三种常用的工程措施(方案)进行加固,并对其分别进行数值分析。     

FRP正弦波形夹心桥面板的等效有限元模型

以FRP正弦波形夹心桥面板作为研究对象,得到等效正交各项异性实心板,通过理论分析和数值对比,证明了方法的可行性;采用该法对一实际的FRP正弦波形夹心板桥进行了模态分析。     

16V240ZJ型柴油机机体裂纹的技术分析及其对策

根据16V240ZJ型柴油机机体隔板裂纹故障现象,总结了运用中故障处所的判定方法,依据具体裂纹的数据统计和分析,提出了消除裂纹的对策。     

对先验论的批判一定导致经验主义吗——兼论詹姆斯对皮尔士哲学理解的误区

近代西方哲学中的先验论和经验主义似乎是两个对立的观念,前者把某种终极理念作为思想观念的基础,而后者恰恰把行之有效的现实行为活动框架视为人类惟一的观念基础,从而否定任何不可证明的终极理念.不过,令人深思的是:皮尔士哲学在反对先验论和经验主义的同时,既维护了人类关注存在本质问题的可能性,又立足于人类现行的社会实践行为方法,开创了一种全新的哲学观.然而,詹姆斯并未真正理解皮尔士哲学的本意.詹姆斯所确立的实用主义观念,虽具有现代哲学的某些特点,但最终仍是具有心理主义特征的经验主义,这就是所谓的一元论的彻底经验主义.而真正具有反心理主义和反实证主义的皮尔士实用主义方法(其中也体现为现象学方法和形而上学观念)完全被忽视,甚至误解.