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书目名称影响因子(影响力)




书目名称影响因子(影响力)学科排名




书目名称网络公开度




书目名称网络公开度学科排名




书目名称被引频次




书目名称被引频次学科排名




书目名称年度引用




书目名称年度引用学科排名




书目名称读者反馈




书目名称读者反馈学科排名

Carminative

Recent History and Strategic Adaptations,The main sub-atomic particles are the proton, electron and neutron.

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防御

Root494

Root494

Eye and Binocular: The Man-MachineThe hardness of metals can be defined as resistance to plastic deformation and test methods are based on forcing an indenter into the surface under a known load. Two such tests are the Brinell test and Vickers diamond test. In each case the hardness number is given by indenting force divided by the surface area of indentation.

有斑点

Atomic Structure and Bonding,The main sub-atomic particles are the proton, electron and neutron.

充气女

Thermally Activated Reactions and Diffusion,Many processes are thermally activated and the rate at which the process occurs varies exponentially with temperature. The law which governs these processes is the Arrhenius law which can be written:. where . is the reaction rate (s.)

Talkative

Iron and Steel,The iron-carbon phase diagram is the key to an understanding of steels and cast irons. This diagram is shown below.