With the emergence of new question type in English reform college Entrance examination, academia has set off a research craze "continuation task".This paper uses questionnaires and interviews with teachers to investigate study implementation, effect existing problems continuation task senior high school reading.Based on teaching status problems, this puts forward three strategies improve from p...

Environmental stress cracking (ESC) is a phenomenon in which a plastic resin is degraded by a chemical agent while under stress, and it is the leading cause of plastic component failure. It is a solvent-induced failure mode, in which the synergistic effects of the chemical agent and mechanical stresses result in cracking. A recent study showed that 25% of plastic part failures are related to ES...

With the popularization of computer application, there is a craze for certification in society. Faced with wide variety examinations, how to choose suitable examination concern every examinee. This paper analyzes current popular examinations from aspects organization departments, people, methods and contents. It also puts forward some suggestions on reform examination.

The purpose of this review is to describe and discuss the diagnostic and treatment challenges related to tooth fractures primarily in the vertical plane, that is, the long axis of the crown and/or root. This includes when and how to identify and determine the extent of the fracture, when a coronal restoration should be placed, when root canal treatment is needed, and when a tooth or root should...

In principle, induced pluripotent stem cells (iPSCs) are generated from somatic cells by reprogramming and gaining the capacity to self-renew indefinitely as well as the ability to differentiate into cells of different lineages. Human iPSCs have absolute advantages over human embryonic stem cells (ESCs) and animal models in disease modeling, drug screening, and cell replacement therapy. Since T...

Su Doku, ”The Rubik’s cube of the 21st century” is the faster growing puzzle phenomenon in the world, replacing traditional crosswords, alphawords and lateral thinking games in nearly all major newspapers, Smith (2005). A craze that is almost impossible to ignore, with clubs, worldwide tournaments, books, software and even television programmes dedicated to the puzzle. In this paper we introduc...

Most of hydrogen sulfide poisoning has been reported as industrial accidents in Japan. However, since January 2008, a burgeoning of suicide attempts using homemade hydrogen sulfide gas has become evident. By April 2008, the fad escalated into a chain reaction nationwide. Mortality of the poisoning was very high. There were 220 cases of attempted gas suicides during the period of March 27 to Jun...

In this paper we analyze the clustering phenomenon of underpricing in initial public offerings (IPOs), where firms in a particular industry choose to issue their new shares at the same time and at great discounts. The industry consists of many firms that have private information about their own qualities (high or low) and that must raise external capital first before production. In the product ...