主从式测量系统中传感器标定方案的研究及实现

针对主从式测量系统中传感器的标定问题,提出从上位机软件进行标定的方案,着重分析软件标定的数据采集及处理过程,并根据标定直线及标定常数的数值判定是否需要进行原点补偿。实验证明,从上位机软件角度对传感器进行标定更加简单方便,并且降低了对生产线标定人员的专业知识要求,该方法适合应用于工业现场对传感器进行标定,有较高的实际应用价值。     

Application of a modified rigid plastic model to the out-plane fracture of `easy open end cans'

Models, using simple energy balance, have been developed, by different authors, to describe the ductile materials behaviour in mode III shear fracture. The application of these models to the field of the opening of different types of can ends and mainly to the easy open ends (EOE) seems to be a powerful tool for design. In the present work, a simple experimental procedure, using scored testing pieces to reproduce similar conditions to those in the case of the EOE has been used. A model to describe the fracture process, under this condition has been developed, through the modification of the Mai and Cotterell rigid plastic model equations taking into account the bending elasticity and the strained nature of the steel at the score.     

Investigation into the removal of a formaldehyde-free easy care cross-linking agent from cotton and the potential for subsequent regeneration of lyocell-type fibres

1,2,3,4-Butane tetracarboxylic acid (BTCA)-treated cotton fabrics were immersed in alkali for increasing time periods and the effectiveness of alkali in removing the cross-linking agent was investigated by surface (X-ray photoelectron spectroscopy, XPS) analysis, attenuated total reflectance Fourier transform infrared spectroscopy and solubility in specific solvents. The cellulose yield after the chemical ‘stripping’ processes was established and the effect of the alkali treatments on the degree of polymerization of the resultant cellulose determined. Surface analyses and solubility tests suggested that the alkali alone could successfully remove the BTCA from the crease resist-treated cotton fabric and produced a commercially viable yield of cellulose.     

PTT针织物的开发优势及前景

PTT纤维是一种新型纤维，具有优异的回弹性和易染性。本文主要介绍了PTT纤维的主要特性，尤其是其优异的弹性回复性，PTT针织服装方面开发优势和前景，指出PTT在针织弹力服装市场中必将有广阔的前景。     

平底改锥体滚刀钻头及应用效果

以滚刀钻头破岩理论及常规锥底翼状钻头破岩理论为指导，分析提出了平底滚刀钻头在易斜地层钻进偏斜度大的机理，并设计了改进锥底滚刀钻头的关键结构及主要参数，改平底滚刀钻头为锥底滚刀钻头并进行了施工应用，取得了非常理想的工程效果。     

纯弯曲正应力实验装置的改进

介绍材料力学中纯弯曲实验的简易加载设备,它具有结构简易,操作方便,地方小,节省经费等优点．从实验结果可以看出简易加载设备完全能满足材料力学的实验教学要求．     

形状记忆织物的记忆性能研究

为探讨纯PTT、PTT与PET混纺、纯PET三类"形状记忆"织物以及免烫棉织物的形状记忆性能,对它们进行易塑形性能及折皱回复性能的测试,并对测试参数进行优化,研究了4种织物形状记忆性能的差异。结果表明:相较于半记忆、仿记忆织物以及免烫棉织物,纯PTT织物具有优异的形状记忆性能。     

电解槽打壳锤头易消耗原因分析及解决对策

针对电解槽打壳锤头消耗快,更换劳动强度大及对铝液品率影响大等缺点,分析了锤头消耗快的原因,从影响锤头寿命的因素着手,提出了解决问题的对策,实施后其使用寿命延长,提高了铝液质量,降低维修成本。     

环氧丙烯酸树脂的合成研究

研究合成了一种环氧丙烯酸树脂,该树脂既具有环氧树脂优良的黏结性能、收缩率低等特点,又克服了其抗冲击性差的缺点,还可以室温固化,应用广泛.     

YOXsysez型液力偶合器研制

YOXsysez型液力偶合器是在YOXs型、YOXys型及YOXezl型三种液力偶合器基础上研制出来的,这一种具有水介质,延长后辅室加侧辅室,易拆卸特点的新型偶合器,这种偶合器的研制成功不仅填补了国内空白,而且使三种液力偶合器的优点全部体现在一种偶合器上.