橡胶注射模的设计程序

橡胶注射模已在橡胶制品成型方面占据了主导地位,本文叙述了注射模的设计过程及各个设计阶段应遵守的原则,以减少模具的返修,提高模具设计工作的质量。     

电力系统中基于自适应衰落卡尔曼滤波器的动态负载变化攻击检测

本文提出了一种有效可行的电力系统动态负荷变化攻击检测方法。首先,建立了基于D-LAAs的智能电网离散系统模型。其次,设计了一种自适应衰落卡尔曼滤波器（AFKF）来估计智能电网的状态,AFKF能完全滤除电力系统的高斯噪声,得到更准确的状态变化曲线（包括攻击）,又提出了一种基于AFKF的欧氏距离比检测算法。通过新的欧氏距离...     

碳合金——一个新兴的研究领域

最近,碳合金研究在日本受到了高度的重视。本文介绍了“碳合金”概念的由来及其定义的分类,并介绍了日本炭素界在该领域的部分研究项目和组织。从结构控制、材料制备和功能开发的角度对碳合金这一新兴领域以及一些已取得的研究成果进行了述评     

含锆超高强铝合金的研究及发展概况

近年来，含锆超高强铝合金蓬勃发展，获得了广泛的应用，回顾了含锆超高强铝合金的历史及发展过程，重点讨论了锆元素在合金中的形式及作用机理，并就当前工作的重点及研究方向提出了一些看法及建议。     

Characterization of gold nanoparticle binding to microtubule filaments

Microtubule (MT) protein filaments were used as templates for fabricating Au nanowires as a bottom-up approach for fabricating building blocks for future integrated circuits. Photochemical reduction methods were employed to form Au nanoparticles which bind and uniformly cover the MT filaments. Synthesis of the MT-templated Au nanowires was characterized using UV/vis spectroscopy and transmission electron microscopy (TEM). In addition, binding between the MT filaments and Au nanoparticles was investigated using surface enhanced Raman spectroscopy (SERS) and X-ray photoelectron spectroscopy (XPS) to establish the nature of the binding sites. A variety of functional groups were identified by SERS to interact with the Au including imidazole, sulfur, aromatic rings, amine, and carboxylate. The imidazole ring in the histidine is the most prominent functional group for Au binding. The results from these studies provide better understanding of the binding between Au and the biotemplate and give insight concerning methods to improve Au coverage for MT-templated Au nanowires.     

钨合金球的制备与研究进展

基于不同领域对钨合金球性能指标的要求,总结并综述了制备钨合金球的材料体系、制备方法及性能检测方法等,对钨合金球的应用领域及今后研究发展方向进行了简单概述,以期为钨合金球的制备研究提供参考.     

基于故障树的计算机安全性分析模型

提出了通过分析计算机系统的资源实体、访问者权限、安全需求和弱点等安全属性,按照不同的安全需求构造出安全故障树来直观地反映攻击者可能选取的攻击手段的安全状况评价方法;分析安全故障树,使用潜在攻击路径和系统安全失效概率从定性和定量两个方面表达计算机系统的安全状况,为系统的安全改进提供指导和建议。     

A Composite Polymeric Carbon Nitride with In Situ Formed Isotype Heterojunctions for Highly Improved Photocatalysis under Visible Light

Introducing heterojunction is an effective way for improving the intrinsic photocatalytic activity of a graphitic carbon nitride (GCN) semiconductor. These heterostructures are mostly introduced by interfacing GCN with foreign materials that normally have entirely different physicochemical properties and show unfavorable compatibility, thus resulting in a limited improvement of the photocatalytic performance of the resultant materials. Herein, a composite polymeric carbon nitride (CPCN) that contains both melon‐based GCN and triazine‐based crystalline carbon nitride (CCN) is prepared by a simple thermal reaction between lithium chloride and GCN. Thanks to the intimate contact and good compatibility between GCN and CCN, an in situ formed heterojunction acts as a driving force for separating the photogenerated charge carriers in CPCN. As a result, CPCN exhibits a significantly improved photocatalytic performance under visible light irradiation, which is, respectively, 10.6 and 5.3 times as high as those of the GCN and CCN alone. This well designed isotype heterojunction by a coupling of CCN presents an effective avenue for developing efficient GCN photocatalysts.     

水下液电强声技术的研究进展与展望

主要从强声技术的应用需求出发,阐述了水下液电强声的产生机理、物理特性和传播特性,介绍了水下强声能领域的研究进展,总结了水下强声能武器发展中的关键和瓶颈问题,最后给出了水下强声技术的发展展望。     

A Highly Efficient Non‐Fullerene Organic Solar Cell with a Fill Factor over 0.80 Enabled by a Fine‐Tuned Hole‐Transporting Layer

With rapid development for tens of years, organic solar cells (OSCs) have attracted much attention for their potential in practical applications. As an important photovoltaic parameter, the fill factor (FF) of OSCs stands for the effectiveness of charge generation and collection, which significantly depends on the properties of the interlayer and active layer. Here, a facile and effective strategy to improve the FF through hole‐transporting layer (HTL) modification is demonstrated. By mixing WO_x nanoparticles with a poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) emulsion, the surface free energy of the HTL is improved and the morphology of the active layer is optimized. Benefiting from increased carrier lifetime, a device based on WO_x:PEDOT:PSS HTL exhibits a boosted performance with an FF of 80.79% and power conversion efficiency of 14.57% PCE. The results are certified by the National Institute of Metrology (NIM), which, to date, are the highest values in this field with certification. This work offers a simple and viable option of HTL modification to realize highly efficient OSCs.