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Fig. 2: Impact resistance of the nacre-like structure under different impact velocities. a Schematic of the drop-tower test system equipped with a high-speed camera. b The force F-displacement U curves of the monolithic samples, laminated samples, and nacre-like samples under different impact ...
Looking into a company’s financial health, you must analyze both revenue streams and profitability to grasp the underlying value and prospects of the stock. You’ll start by examining the revenue, which is the income generated from sales of goods or services before any costs or expenses are d...
Since then, these kinds of shows have taken a quantum leap in the entertainment industry, leaving a lasting impression on the public eye. They’ve become so popular that the drone market reached $4.36 billion in 2023, and isexpected to reach a value of $14.13 billion by 2030. It comes a...
the expanded microspheres provide firmness and rigidity when a person walks on the product. The microspheres ensure that the product does not compress under normal loads but will compress under typical impact forces sustained when an adult human falls onto the product. An impact force on the produc...
The surrounding rock tended to fail more in the strong excavation damage zone (SEDZ) than that in the weakly damaged zone (WEDZ), and brittle creep failure mainly occurred on the excavation border (EB) in a short space of time. In addition, the increase in the radius for tunnel cross ...
For a virtual EV to be simulated, the mechanical data of a Mercedes Benz E-Class are used which are stored in the dataset. Based on its parameters, a mechanical model calculates the demanded force for every second of the driving cycles and derives the electrical motor’s rotational units, ...
Both are sets of mathematical equations that estimate average annual soil loss from interrill and rill erosion [16]. Rainfall is the driving force affecting the energy balance of the soil erosion process [17]. The erosivity of rainfall and its consecutive overland runoff is recognized as a ...
Environmental transformation is a broad and profound economic and social systemic change, which will certainly influence a number of the economic system fields. In particular, does China’s continued low-carbon transition widen the urban–rural income ga
Figure 1. Flow chart. A structural modification scheme is formulated in order to minimize exergy loss. The heat transfer capacity of the economizer decreases, and the heat transfer capacity of the air preheater increases in this scheme. As a result, the burning exergy loss of the boiler was...