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https://www.selleckchem.com/products/apg-2449.html Glass fiber-reinforced plastics (GFRP) based on polymer materials are widely used in lightweight impac-resistant structure design. In the process of design and development, it is very important to clarify the mechanical behavior under dynamic load to improve the product performance. Therefore, in this paper, Quasi-stati and dynamic compression behaviors of unidirectional continuous glass fiber-reinforced vinyl ester (GF/VE) composites with five kinds of fiber contents in the fiber direction were measured by an electro-hydraulic servo experiment system and a split Hopkinson pressure bar, and damage evolution of the material is analyzed by observing the microstructure of the cross section of the material. Results show that The content of glass fiber affects the wettability between fiber and matrix, and the failure mechanism of material at high strain rate; Under quasi-static conditions, higher glass fiber content yields greater failure strength; Under dynamic conditions, as glass fiber content increases, toughness decreases, and the peak stress first increases and then decreases. Finally, the nonlinear viscoelastic constitutive model with damage evolution is derived, which can be used to predict the impact resistance of new composite structures in the product development and design stage and reduce the development cycle.Engaging with formal intimate partner violence (IPV) services can buffer the impacts of violence and reduce future risk. Many survivors do not access or engage with such services. However, much of our knowledge related to the experiences and perspectives of IPV survivors comes from samples drawn from those seeking formal services. Qualitative interviews with 23 survivors of violence who are not currently engaged with formal IPV services were conducted, focused on the process and outcomes of choosing to seek help. Themes emerged within the categories of formal help-seeking experiences, informal help see

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