{'fraction_non_alphanumeric': 0.05645933014354067, 'fraction_numerical': 0.06028708133971292, 'mean_word_length': 4.5638297872340425, 'pattern_counts': {'":': 0, '<': 2, '<?xml version=': 0, '>': 2, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Investigation on Safety Condition of Cell Phone Charging

The paper studies the safety condition of cell phone using to provide data and support for preventive measures to be made. The places with dense population such as stations and supermarkets are where the investigation is made, in which 682 cell phone users were investigated. Statistics is used to do the analysis (χ2 to inspect, P < 0.05 to show significant difference). The results of investigation show that (1) 10.7% of informants have no awareness of risks of cell phone charging. (2) 9.68% people use non original batteries or chargers and is especially serious with elder people (χ2=11.3526, P<0.05). (3) 97.8% people have overcharged up their batteries no matter they are well or poorly educated (χ2=1.5346 P >0.05). (4) Only 7.77% people use private sockets, with no relation to education level, age and gender (χ2=1.5346, χ2=1.0892, χ2=1.5346, all P >0.05). Conclusion: People have low awareness of safety use of cell phone and propagation and education should be strengthened.