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The public has recently shown rekindled enthusiasm in offender rehabilitation. This has inspired researchers to revisit the concept of offender rehabilitation. Analogizing offender rehabilitation to parenting, the authors propose an authoritative parenting model (APM) of offender rehabilitation whereby stiff punishment is administered in the context of unconditional love/acceptance to offenders (UCL/ATO) as individual human beings. Through reexamining criminological theories and empirical studies, the authors show the significance of UCL/ATO from various sources in offender rehabilitation. While emphasizing the use of stiff punishment, the authors have argued against criminal laws and policies that punish offenders for their prior criminal records. Caveats in the applications of this overarching model of offender rehabilitation and its implications for public policy and criminal laws are discussed. [ABSTRACT FROM AUTHOR]

Coke oven, which is a large industrial furnace, is complex in structure. A two-dimensional structure diagram can hardly help one observe the inner structure of a coke oven or master its working principle comprehensively. In order to solve this problem, a complete 3D digital model of a coke oven is generated by assembling the three-dimensional models of coke oven components created with SketchUp. It enables users to section the various components of the cove oven. The outer appearance and inner structure of the oven components also can be displayed visually from several different orientations. Moreover, it is convenient to storage and carry, operation easily and fast. It can be displayed on an ordinary computer and occupies no space at the laboratory. Meanwhile, a large sum of money that used for purchasing a physical coke oven model can be saved. [ABSTRACT FROM AUTHOR]

A series of poly(vinylidene fluoride)s (PVDFs) is synthesized in supercritical carbon dioxide (sc-CO2). The influences of polymerization pressure, molecular weight distribution and H-H defect concentration on the crystallization of PVDF have been studied in combination with differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXRD) and Fourier transform infrared spectroscopy (FT-IR) measurements. The result shows that the morphology, molecular weights, polydispersity and head-to-head (H-H) defect concentrations of the PVDFs are affected by the reaction pressure and good solubility generated from sc-CO2. Especially, the sc-CO2 polymerization has greatly improved the crystallization mode of the obtained PVDFs such as the complete degree of crystallinity, crystallinity and the crystal phase. This will create more comprehensive application fields for PVDF. [ABSTRACT FROM AUTHOR]