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To improve the safety of lithium-ion batteries (LIBs), an AlOOH-coated polyimide (API) fibrous membrane as an inorganic composite separator is developed via an electrospinning technique and a subsequent blade-coating process. Benefiting from the good thermostability of polyimide and the flame-retarding property of AlOOH, the API separator shows excellent thermal stability and flame retardance. Compared...
In most of the existing multi-proxy multi-signature (MPMS) schemes, the same proxy group is delegated the proxy right to sign by all the original members. Nevertheless, in many practical applications, original signer often demands to designate the proxy group in his own organization which is different from others'. It is seldom considered in the MPMS schemes. In this paper, we propose a MPMS scheme...
Longitudinal rip of conveyor belts is a serious threat to safety production. Based on the machine vision technology, an algorithm used to find longitudinal rip of belts on-line from gray belt images directly is proposed. A gray image is first translated into a unidimensional vector. The unidimensional vector is further analyzed to obtain rip eigenfunctions. Then, faults of longitudinal rips are diagnosed...
We study the problem of searching a circular corridor with three flashlights, a variation of the 1-searcher problem in a circular corridor. A circular corridor is a polygon with one polygonal hole such that its outer and inner boundaries are mutually weakly visible. A flashlight is considered as a 1-searcher who has a flashlight and can see only along the ray of the flashlight emanating from his position...
The author analyzed the information hiding technologies and summarized it. He first researched basic standards and commonly used technology of information hiding, from which he put forward an algorithm improvement of information hiding technologies. This kind of technology characterizes its huge amount, better universality, higher safety of information hiding.
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