kinetic condition
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2020 ◽  
pp. 148-160
Author(s):  
Thomas Nail

This chapter argues that the other three value-forms each unfold (entfaltete) continually from the onefold movement introduced in chapter 7. Money emerges not from natural value or from divine command but strictly from the material-kinetic conditions of transport that bear and support it through each of the value-forms. The simplex form is therefore not something merely inadequate to money but in fact a constant and constitutive kinetic condition of relationality that supports and bears money as a general equivalent. Money, therefore, is not a thing but a kinetic process of value creation that emerges historically and must be continually reproduced through the devalorization process that bears its motion. The key original thesis of this chapter is that the origins of money are not, as is commonly thought, in the “movement of value” but in the movement of matter that bears and transports value.


2019 ◽  
Vol 7 (18) ◽  
pp. 5366-5373 ◽  
Author(s):  
Wei-Di Liu ◽  
Xiao-Lei Shi ◽  
Han Gao ◽  
Raza Moshwan ◽  
Sheng-Duo Xu ◽  
...  

Cu2−xS pellets sintered from powders synthesized with different NaOH amounts have different phase compositions and average Cu vacancy levels. This has subsequently led to enhanced thermoelectric performance due to both enhanced hole concentration and reduced phase transition temperature.


2018 ◽  
pp. 151-158
Author(s):  
Thomas Nail

This chapter argues that being is in motion, but that motion appears first and foremost historically as space. During the period of time roughly defined as the Neolithic (10,000 BCE–5000 BCE), movement begins to take on a certain dominant mode of distribution or circulation, defined by an inward trajectory from the periphery toward a center. This centripetal motion is the condition for the dominant description of being’s motion as fundamentally spatial. This chapter describes the defining features of centripetal motion, which is an entirely real and kinetic condition, not a metaphysical concept. The centripetal motion of being is the condition for the ontological description of being as space, and its inscription through speech.


Author(s):  
X. Chen ◽  
T. T. Öpöz ◽  
A. Oluwajobi

This paper presents some new research findings in the investigation of single-grit grinding in terms of surface creation. The investigation demonstrated that rubbing–plowing–cutting hypothesis of grinding material removal mechanism is valid in both experiments and simulations. A finite element model (FEM) was developed to simulate the material deformation during the grit interacts with the workpiece. It was found that the cutting mechanism is the more effective in the first half of the scratch where the grit penetrates the workpiece. The plowing is a prominent mechanism in the second half of the scratch where the grit is climbing up along the scratch path and uplifting the material at the front and the sides of it. This observation is very important to provide a greater insight into the difference between up-cut and down-cut grinding material removal mechanisms. Multipasses scratch simulations were performed to demonstrate the influence of plowing on the ground surface formation. Moreover, by analyzing the effects of grinding conditions, the shape of cutting edges, and friction in grinding zone on the grinding surface formation, some useful relations between grinding performance and controllable parameters have been identified. It has demonstrated that plowing has significant influences on ground surface formation and concluded that the influence of grit shape, friction, and grinding kinetic condition should be considered together for the plowing behavior control, which could provide a good guidance for the improvement of grinding efficiency.


2011 ◽  
Vol 284-286 ◽  
pp. 94-97
Author(s):  
Hong Ming Wang ◽  
Bing Zhao ◽  
Yan Qiong He ◽  
Yi Nan Zhao ◽  
Gui Rong Li ◽  
...  

(Al2O3+Al3Zr)P/Al composites were in situ synthesized from Al-Zr(CO3)2 system. In the process of in situ reaction, electromagnetic stirring (EMS) is employed to improve the conditions of reaction between reactants powder and melt. The results indicate that the Lorenz force improves the kinetic condition and accelerates the nucleation of endogenetic particulates. The optimized electromagnetic density is 0.025T. Scanning electronic microscope (SEM) observation demonstrates that the sizes of reinforced particulates are controlled at 1~2 μm. Moreover, the particulates are well distributed in Al matrix.


2011 ◽  
Vol 115 (21) ◽  
pp. 5449-5452 ◽  
Author(s):  
A. Szcześ ◽  
E. Chibowski ◽  
L. Hołysz ◽  
P. Rafalski

2011 ◽  
Vol 50 (1) ◽  
pp. 124-127 ◽  
Author(s):  
A. Szcześ ◽  
E. Chibowski ◽  
L. Hołysz ◽  
P. Rafalski

2004 ◽  
Vol 62 (3) ◽  
pp. 541-551 ◽  
Author(s):  
Rinaldo M. Colombo ◽  
Andrea Corli
Keyword(s):  

2004 ◽  
Vol 15 (3) ◽  
pp. 297-313 ◽  
Author(s):  
D. HILHORST ◽  
F. ISSARD-ROCH ◽  
J. M. ROQUEJOFFRE

We consider a Stefan problem with a kinetic condition at the free boundary and prove the convergence of the solution as $t$ tends to infinity either to a travelling wave solution or to a self-similar solution. The key idea is to transform this problem into a problem for a single nonlocal parabolic equation which admits a comparison principle.


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