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Sexual Assault and Its Psychopathological Repercussions in the Life of Female Students in Northeastern Benin (2023)
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作者 Ireti Nethania Elie Ataigba Djibrilla Moussa +7 位作者 Oumou Ousseyni Zika Fidélia Dotou Coovi Ignace Tokpanoude Anselme Djidonou Djibo Douma Maiga Francis Tognon Tchegnonsi Prosper Gandaho Josiane Ezin Houngbe 《Open Journal of Psychiatry》 2024年第3期163-178,共16页
Objective: The aim of the present study was to investigate the psychic repercussions of sexual assault among female students in Parakou in 2023. Methods: Descriptive cross-sectional study conducted from December 2022 ... Objective: The aim of the present study was to investigate the psychic repercussions of sexual assault among female students in Parakou in 2023. Methods: Descriptive cross-sectional study conducted from December 2022 to July 2023 among all students at the University of Parakou. The sampling technique was stratified non-proportional at two levels. The dependent variable was self-reported sexual assault. The psychopathological repercussions linked to sexual assault and explored in these students were: post-traumatic stress disorder assessed with the Post Traumatic Stress Disorder Checklist-5 (PCL-5) scale;and current depression screened with the Patient Health Questionnaire-9 (PHQ-9) scale. Results: A total of 376 female students from the University of Parakou meeting the inclusion criteria were surveyed. The average age of the subjects surveyed was 20.56 ± 2.46 years, with extremes of 16 and 32 years. A predominance of subjects under 25 was observed. The prevalence of sexual assault among female students at the University of Parakou was 10.63%. The types of aggression suffered were mostly rape (18 people;45%) and sexual touching (16 people;40%), and the aggressors were mainly friends/boyfriends (13;32.5%), family members (12;30.0%) and people from the house/neighborhood (9;22.5%). Psychological repercussions included depression in 72.5% (29) of cases, with mild depression in 30% (12), moderate depression in 37.5% (15) and severe depression in 5% (2). Anxiety disorders were present in 27.50% (11) of victims. The risk factors associated with sexual assault in these students were gravidity (p = 0.014;OR = 15.32), unhappy life events (p = 0.01;OR = 17.24), and age of first sexual intercourse (p = 0.016;OR = 4.608). Conclusion: One in ten female students in Parakou has been sexually assaulted. Once again, preventive action through effective sex education is a means of fighting the problem that should be prioritized for every girl and boy from an early age. Psychological support by specialists should be offered to any victim discovered without delay. Communication on the subject should be multiplied in all family and academic educational environments, from the lowest to the highest levels. 展开更多
关键词 Sexual Assault Psychopathological Repercussions BENIN 2023
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Sexual Assault: Epidemiological Profile and Clinical Aspects at the Brazzaville University Hospital Center 被引量:1
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作者 L. M. E. Eouani J. C. Mokoko +2 位作者 C. Itoua N. S. Sekangue Potokouen Mpia L. H. Iloki 《Open Journal of Obstetrics and Gynecology》 2020年第2期326-332,共7页
Objective: to identify the socio-demographic profile of the alleged victims of sexual assault, to define the characteristics of the aggressors, to describe the types of clinical lesions, and to analyze the link betwee... Objective: to identify the socio-demographic profile of the alleged victims of sexual assault, to define the characteristics of the aggressors, to describe the types of clinical lesions, and to analyze the link between these different parameters.?During the study period, 5620 clients were admitted to gynecological emergencies, including 150 for sexual assault (2.6%). The alleged victims of aggression were 14 years old on average [range: 2?-?49 years]. Among these clients, there were 147 (98%) women and 3 (2%) men [sex ratio: 0.02]. They had a primary education level of 38%, secondary to 42.7%, and single in 87.2% of cases. Clients came from home (69.3%) or police station (24.7%). The perpetrator was male, with an average age of 25.5 years [range: 16 to 35 years]. Regarding the relationship with the victim, the neighborhood accounted for 83%. The perpetrator was alone in 76.7% of cases, two (14%) or more (16.7%), up to 18.?The aggressor’s home was the place of aggression (39.3%). The threats were made using knives (49.3%) and firearms (8.5%). The perpetrator used either his sex (79.9%), his fingers (34.2%) or an object (2.7%). The route of entry was vaginal (94.6%), anal (21.7%) and oral (10%). The abuser used the condom in 74.7% of cases.?Customers had viewed within 24 hours (40.7%). The general state and hemodynamics at admission was normal for all clients. Physical injuries were injuries (23%) and scrapes (34.5%). External genitalia included perineal tears (28%), vaginal tears (8.6%), hymenal tears (7.3%), and old deflowering (72.7%). The hymen was intact in 20%.?The bi-varied analysis found a correlation with a statistically significant difference in the age range of the alleged victims with the number of aggressors, the time of aggression, the path and type of penetration, and the weapon used for the threat. 展开更多
关键词 Sexual ASSAULT FIREARM STAB PERINEAL TEAR Vaginal TEAR Hymenal TEAR
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Orofacial Human Bite: A Six Year Review of Cases from Komfo Anokye Teaching Hospital 被引量:1
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作者 Alexander Oti Acheampong Mohammed Duah +2 位作者 Richard Selormey Peter Donkor Daniel Bankas 《Open Journal of Stomatology》 2016年第8期179-184,共6页
Background: The orofacial region of the human body is usually not protected during a fight, making it prone to several injuries including human bite. Patients with human bite injury are often either intoxicated or are... Background: The orofacial region of the human body is usually not protected during a fight, making it prone to several injuries including human bite. Patients with human bite injury are often either intoxicated or are known to their assailant, and this makes the process of obtaining a reliable history especially about the aetiology difficult. In 2002, a study estimated the rate of infection secondary to human bite to be about 10%. Aim/Objective: The aim of the current study was to have a general overview of orofacial human bites seen at our unit including the aetiology, presentations, anatomic location, treatment and the treatment outcome. Results: Total number of cases was 127 over the six year period. Age range for females was 15 - 61 years with an average of 29.9. Age range for males was from 17 to 60 years and an average of 30.2 years. There were 31 males and 96 females, giving a male to female ratio of approximately 1:3. All of the reported cases resulted from a fight. Most of the offenders are known to the patients. Majority of the cases, except those infected at the time of presentation, were treated on the same day of presentation under local anaesthesia. Relationship of victim to the offender: Spouse/sexual partners were 21, rivals formed 70, known persons to the victim were 26 and strangers were 10. Sex distribution of offenders and victims: Females who bit females were 86 followed by females who bit males (24), males who bit females (10) and males who bit males (7). Conclusion: Most of the offenders are known to the patients. Majority of the cases, except those infected at the time of presentation, were treated on the same day of presentation under local anaesthesia after they had received antibiotics and anti-tetanus prophy-laxis. Early repair is now the recommended mode of treatment for human bites of the orofacial region, accompanied with good oral hygiene instructions and broad spectrum antibiotics and metro-nidazole. 展开更多
关键词 Human Bite OROFACIAL ASSAULT LIP NOSE
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WORLD NEWS IN BRIEF(October 1-15, 1993)
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《国际展望》 北大核心 1993年第20期32-32,共1页
Russian President Boris Yeltsin declared a state of emergency in Moscow on October 3 shortly after demonstrators captured the city hall. On the night of October 4, the arch rivals of Yeltsin were prisoners after hundr... Russian President Boris Yeltsin declared a state of emergency in Moscow on October 3 shortly after demonstrators captured the city hall. On the night of October 4, the arch rivals of Yeltsin were prisoners after hundreds died in an all-out tank assault on the parliament building. On October 11, Yeltsin arrived in Tokyo on his first foreign trip since the Moscow bloodshed. 展开更多
关键词 MOSCOW ASSAULT Boris emergency CAPTURED hundreds TOKYO night RUSSIAN NEWS
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Evidence Collection for the Unconscious and Unconsented Patient
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作者 Rose Constantino Carol Stewart +7 位作者 Polly Campbell Barbara Moynihan Susan Kagan Patricia Daugherty Kathleen Thimsen Lynda Tiefel Colleen O’Brien Jennifer Johnson 《Open Journal of Nursing》 2014年第4期287-295,共9页
Forensic nurses are faced with making an ethical decision when an unconscious patient presents with signs of sexual assault. If the patient is unable to consent, the nurses need to decide whether or not to perform a f... Forensic nurses are faced with making an ethical decision when an unconscious patient presents with signs of sexual assault. If the patient is unable to consent, the nurses need to decide whether or not to perform a forensic exam. Hospitals have policies in place regarding consent for emergency care, but not all of them consider the collection of forensic evidence. The window of opportunity for forensic collection may disappear before contacts are made or proper consent is established. Ethical, legal, and policy considerations that complicate this scenario are discussed. 展开更多
关键词 FORENSICS Forensic Nursing Sexual ASSAULT ETHICAL Considerations in Sexual ASSAULT LEGAL ASPECT of Sexual ASSAULT INFORMED Consent in Sexual ASSAULT
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Sexual assaults in therapeutic relationships: prevalence, risk factors and consequences
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作者 C. Eichenberg M. Becker-Fischer G. Fischer 《Health》 2010年第9期1018-1026,共9页
A law has been passed in Germany (paragraph 174c StGB), which prohibits therapists from having sexual contact with their patients. This provides the background for a follow-up survey to the previous study completed by... A law has been passed in Germany (paragraph 174c StGB), which prohibits therapists from having sexual contact with their patients. This provides the background for a follow-up survey to the previous study completed by Becker- Fischer and Fischer in 1995. The results of this survey are discussed here on the basis of the current status of research concerning preva- lence and risk factors of sexual assaults in therapeutic relationships. The focus of the re- search lies in determining the specific condi- tions of sexual assaults in psychotherapy and psychiatry, risk variables of the therapists and patients, the effects it has on the patients as well as the legal consequences it results in. To en- sure the comparability of the data, an online version of the Questionnaire about Sexual Con- tacts in Psychotherapy and Psychiatry (SKPP;Becker-Fischer, Fischer & Jerouschek) was cre- ated and a survey of N = 77 affected patients was conducted. The majority of the participants in the study reported a serious decline in their overall well being following the incident. How- ever only very few undertook legal steps - only in three cases did it come to a legal procedure. The assumption that sexual contacts in psy- chotherapy result in extremely damaging con- sequences to patients, was affirmed. Despite the changed legal situation, therapists in Ger- many are still not held legally responsible more often than they were 10 years ago. Based on these results a more intensive education of the patients concerning their legal rights is recom- mended. 展开更多
关键词 Sexual ASSAULTS PSYCHOTHERAPY Patient ABUSE Professionale MISCONDUCT
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Verbal Abuse, Physical Assault, and Harassment in Pediatric Medical Settings: A Nationwide Survey in Japan
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作者 Rie Wakimizu Hinako Kuwahara 《Health》 CAS 2022年第2期177-193,共17页
Background: Verbal abuse, physical assault, and harassment of pediatric healthcare workers by patients and their families have become increasingly serious. These incidents lead to various problems, including the deter... Background: Verbal abuse, physical assault, and harassment of pediatric healthcare workers by patients and their families have become increasingly serious. These incidents lead to various problems, including the deterioration of staff members’ mental health and employee turnover. Methods: This study was conducted as the first Japanese nationwide survey to assess the abuse perpetrated by patients and families and experienced by medical staff in pediatric medical settings in 2018, countermeasures employed, and staff member evaluations of the countermeasures. Results: Responses from 526 facilities were received, clinics accounted for 79.8% of these facilities;88.1% of the respondents were females. Further, 10.5% of the facility staff reported having experienced verbal abuse, violence, or harassment from patients or family members. Of 1103 cases of victimizations, there were 719, 136, and 248 cases of verbal abuse, violence, and harassment, respectively. Manuals and guidelines had been created and training and drill performances were conducted as countermeasures in 10.7% and 9.0% of facilities, respectively;7.3% of staff members felt that the countermeasures were effective, corresponding to 45.6% of the affected staff. Conclusion: The findings suggest the necessity of thoroughly familiarizing staff with existing facility countermeasures as well as introducing new countermeasures such as victimization simulations. 展开更多
关键词 Verbal Abuse Physical Assault HARASSMENT Pediatric Medical Setting COUNTERMEASURES
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Correlates of Anogenital Injuries in Adolescent Females
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作者 Peter V. Bui Carolyn J. Sachs Malinda Wheeler 《International Journal of Clinical Medicine》 2014年第2期63-71,共9页
Objective: We sought to investigate correlates of anogenital injuries (AGIs) in adolescents. Methods: Our retrospective study included sexually assaulted female patients aged 12 to 17 reporting attempted or completed ... Objective: We sought to investigate correlates of anogenital injuries (AGIs) in adolescents. Methods: Our retrospective study included sexually assaulted female patients aged 12 to 17 reporting attempted or completed vaginal or anal penetration between 2002 and 2011. Forensic nurses performed anogenital examinations using colposcopy, digital macrovisualization, and toluidine blue dye application. We reviewed case files for AGIs and demographic and sexual assault characteristics. Results: Of the 1961 sexual assault examinations that met our inclusion criteria, 59.6% displayed AGIs. Our logistic regression model using 1752 examinations found the following variables associated with less injury: intercourse within 5 days prior to assault (OR 0.72, 95% CI = 0.55 to 0.95);post-coital interval of 49-72 (OR 0.50, 95% CI = 0.36 to 0.71), 73-96 (OR 0.41, 95% CI = 0.25 to 0.68), and 97-120 hours (OR 0.26, 95% CI = 0.13 to 0.51). Only lack of prior sexual experience was associated with increased injury (OR 2.01, 95% CI = 1.58 to 2.55). Conclusions: In our adolescent patient population, examination findings of AGIs correlate with variables related to time from assault and prior sexual experience. 展开更多
关键词 Sexual ASSAULT STATUTORY RAPE Female Adolescents Anogenital Injury Forensic NURSING
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far和by far与比较级连用
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作者 余富林 《山东外语教学》 1984年第3期88-89,共2页
新编高中一年级英语课本上(P.156)有两个这样的句子:This is better by far.(这好得多。)He is by far the tallest among us.(他在我们这些人中间个子比谁都高得多。)两句中都有“by far”,一个在形容词比较级之后,一个在形容词最高级... 新编高中一年级英语课本上(P.156)有两个这样的句子:This is better by far.(这好得多。)He is by far the tallest among us.(他在我们这些人中间个子比谁都高得多。)两句中都有“by far”,一个在形容词比较级之后,一个在形容词最高级之前, 展开更多
关键词 英语课本 by FAR 级连 女口 中都 GREATEST explanation 工作比 ASSAULT worst
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Relationship between Level of Knowledge on Anger Control and Occurrence of Real Assaultive Behaviour in Patients (20 - 45 Years) Admitted at a National Referral Psychiatric Hospital in Zimbabwe
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作者 Virgininia Dube-Mawerewere Grace Nkhoma 《Open Journal of Nursing》 2017年第7期804-813,共10页
Background: Aggressive tendencies from psychiatric inpatients are increasingly becoming problematic at a national referral psychiatric hospital in Zimbabwe. No research has been done in this context to determine the d... Background: Aggressive tendencies from psychiatric inpatients are increasingly becoming problematic at a national referral psychiatric hospital in Zimbabwe. No research has been done in this context to determine the dynamics around this disturbing phenomenon. Objectives: To determine the level of knowledge on anger control, to determine the occurrence of real assaultive behaviour and to examine the relationship between level of knowledge on anger control and occurrence of real assaultive behaviour in patients aged 20 - 45 years admitted at a national referral psychiatric hospital in Zimbabwe. Method: A descriptive correlational design was used. Seventy-six respondents aged between 20 and 45 years were selected using simple random sampling. A structured interview was used to collect data. The occurrence of real assaultive behaviour was adapted from the Staff Observation and Aggression Scale completed by observing patients during the assaultive behaviour occurrence. Patient observation was done by the psychiatric trained nurses who were specifically trained for this study to fill the part of the data collection instrument that needed observation. Data were analysed using descriptive statistics, Pearson Correlation Coefficient test and simple regression analysis. Results: Results showed a Pearson coefficient test of (r = -3.47, p Conclusions: Results call for collaboration of mental health practitioners to empower patients with anger control skills. 展开更多
关键词 Assaultive BEHAVIOUR ANGER CONTROL NATIONAL REFERRAL PSYCHIATRIC Hospital Risk PSYCHIATRIC Nurses Staff Observation and Aggression Scale-Revised
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An impacted oesophageal foreign body in a physically abused child
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作者 Olushola Abdulrahman Afolabi Adeyi Adogwu Adoga +5 位作者 Emmanuel Musa Alfred Nicholas Bemu Garba Mainasara Mohammed Aliyu Mohammed Kodiya Aminu Bakari Babagana Mohammed Ahmad 《Case Reports in Clinical Medicine》 2013年第4期256-259,共4页
Physicians under-report cases of child abuse or child maltreatment. We present a case of an impacted oesophageal foreign body in a physically abused child. S.H. is a 7-year-old male child who accidentally ingested met... Physicians under-report cases of child abuse or child maltreatment. We present a case of an impacted oesophageal foreign body in a physically abused child. S.H. is a 7-year-old male child who accidentally ingested metal clip while being assaulted by his paternal uncle whom he resides with. He presented with dysphagia, odynophagia and drooling of saliva and urgent x-ray soft tissue neck revealing the presence of the metallic foreign body in the prevertebral region. He had emergency oesophagoscopy with the removal of foreign body, did well and was discharged home 4th day postoperatively after parental counselling. It remains the responsibility of paediatric healthcare providers to consider child maltreatment as a differential diagnosis of any unexplained injury or medical problems, including oesophageal foreign body impaction. 展开更多
关键词 CHILD Maltreatment IMPACTED OESOPHAGEAL FOREIGN BODY ASSAULT
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Epidemiological Clinical Aspects and Medical Management of Sexual Assault in the Region of Ségou in Mali
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作者 Tidiani Traoré Thierno Boubacar Bagayoko +13 位作者 Alpha Sanogo Sory Ibrahime Koné Seydou Traoré Kassoum Sidibe Bréhima Donigolo Bréhima Doumbia Seydou Z. Dao Famakan Kane Adama Bah Seydina Alioun Beye Amadou Bocou Seydou Fané Yossuf Traoré Ibrahim Téguété 《Open Journal of Obstetrics and Gynecology》 2022年第3期209-221,共13页
Introduction: Sexual assault is an act of a sexual nature perpetrated on another person without their consent. Goal: To describe the epidemio-clinical aspects and the medical management of sexual assault in the Segou ... Introduction: Sexual assault is an act of a sexual nature perpetrated on another person without their consent. Goal: To describe the epidemio-clinical aspects and the medical management of sexual assault in the Segou region. Methodology: This was a retro-prospective descriptive study from September 2010 to September 2018 on the alleged female victims of sexual assault registered in the Gynecology and Obstetrics departments of the hospital and the sanitary quarters of Ségou. Results: We recorded 107 cases of sexual assault out of 47,729 gynecological consultations, representing a hospital prevalence of 0.22%. The victims were between 10 and 15 years old in 48.59% of the cases. Students were the most represented with 53.27% (57/107) of cases. Genito-genital contact was recorded in 90.65% (97/107) of cases. Vulvo-perineal lesions were present in 44.86% (48/107) of survivors. Hymenial deflowering was the most frequent traumatic genital lesion accounting for 43.70% (21/48) of old cases and 27.00% (13/48) of recent cases. Sexual assault was committed by a single individual in 60.75% (65/107) of cases and by a friend of the victim in 21.5% (23/107) of cases. The survivors had consulted within 24 hours of the sexual assault in 53.27% (57/107) of the cases, the treatment was medical in 68.22% (73/107) and medical-surgical in 4.7% (5/107), post-exposure prophylaxis to the Human Immunodeficiency Virus (HIV) was performed in only 26.16% (28/107) of survivors. Conclusion: Sexual assault remains a concern although its frequency is low. This scourge mainly affects children and adolescents, and the lesions are mainly genitals. 展开更多
关键词 ASPECTS Sexual Assaults Epidemio-Clinics MANAGEMENT Segou
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英译《大雅》
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《语言教育》 1996年第7期20-22,共3页
关键词 《大雅》 VIRTUE 皇矣 崇墉 串夷 ASSAULT 王季 文王 founded mankind
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Sexual Assault in the Department of Obstetrics and Gynaecology of the Bamako’s 5th Municipality Medical Center
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作者 Bambara Moussa Coulibaly Karim +2 位作者 Diallo Abdoul Aziz Ouattara Adama Zampaligré Idrissa 《Open Journal of Obstetrics and Gynecology》 2016年第11期654-660,共8页
Background: The authors report cases of sexual assault reported to the obstetrics and gynecology department of the Bamako’s 5th municipality medical center during a prospective study of eight months from 1st January ... Background: The authors report cases of sexual assault reported to the obstetrics and gynecology department of the Bamako’s 5th municipality medical center during a prospective study of eight months from 1st January to 31st August 31st, 2012. Results: Twenty-one cases of assault were reported out of a total of 13,482 consultations, representing a frequency of 0%, 15%. Most victims were represented by students and accounted 43% of the study population. In 76% of cases the victims knew their assailant. The type of sexual contact was genito-genital vaginal penetration in 67% of cases and the condom was used in only one case. The average time before consultation was 3 days. The preventive ARV treatment was administered in 24% of cases and emergency contraception in 43% of cases. Conclusion: Sexual assault is common in Bamako. The reality is probably underestimated because many cases are not reported. The victims are mostly children and adolescents. The risk of transmission of STIs and HIV is very high during the sexual assault. Education and awareness of the population are essential for early consultation. Training of health workers to care for victims of sexual assault is needed. 展开更多
关键词 Sexual Assault SUPPORT VICTIM BAMAKO MALI
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Epidemiology of children and adolescent eye injuries in British Columbia
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作者 Ediriweera Desapriya Nayomi Gomes +6 位作者 Kavindra Ratnaweera Vahid Mehrnoush Eshani Fernando Ricky Jhauj Abdulwahab Al-Isa Parisa Khoshpouri Nima Naghshgar 《World Journal of Ophthalmology》 2017年第1期1-6,共6页
AIM To quantify and characterize children and adolescent eye injuries treated in trauma department.METHODS A retrospective analysis was conducted of children and adolescent patients(0-19 years of age) with eye injurie... AIM To quantify and characterize children and adolescent eye injuries treated in trauma department.METHODS A retrospective analysis was conducted of children and adolescent patients(0-19 years of age) with eye injuries using the British Columbia Trauma Registry(BCTR) data. BCTR data was obtained from January 1,2000 to December 31,2008. The BCTR provides the most detailed information on severe injuries throughout the province of BC. There are 12 trauma-receiving facilities in BC from which BCTR collects data.RESULTS A total of 162 patients with eye injuries were registered in BCTR during the data collection period. The highest number of injuries occurred in the 15-19 age group,followed by 10-14 and 5-9 age groups. Seventy-one point six percent of all patients were male. The mean age for all patients was 12.9(SD = 5.8) years. Vehicular crash was by far the most common mechanism of injury among all patients(42.0%) followed by blunt injury(14.2%) and cuts(12.3%). The child and adolescent eyeinjury data set we used for our study indicated that there were in total,50 patients that were tested for alcohol and drug use. The majority of them were 15-19 years of age(n = 38). Among the tested eye injury patients in the 15-19 age group,47%(18/38) tested positive for alcohol. There were approximately 30 cases of physical fighting(assault) and fighting-related injury among adolescents. Some injuries were caused by use of fire arms and knife during the assaults. Out of all patients,62(38%) were seen by an Ophthalmologist on admission,whereas 100(62%) patients were not seen by an eye specialist on admission. The most common injury diagnosis among the patients not consulted by ophthalmologist was conjunctiva injury(53%),whereas almost 9 out of 10 patients with ophthalmological consultation had laceration of cornea injury diagnoses. Using Glasgow Coma Scale(GCS)-based classification of brain injury severity,3.7% of all patients were classified with severe brain injury(GCS ≤ 8),while more than 64% had diagnosed with a mild brain injury(GCS ≥ 13).CONCLUSION This study suggests that most child and adolescent eye injuries in BC occur at street/highway locations followed by incidents at home. Vehicular crash was by far the most common mechanism of injury among all patients(42%). Sixty-four point two percent of child and adolescent eye injury patients also had mild brain injuries. Further,the child and adolescent eye injury data set we used for our study indicated that there were in total,50 patients tested for alcohol and drug use. There is an urgent need for a child and adolescent eye injury prevention plan in our province. 展开更多
关键词 Eye injury Driving FIGHT ASSAULT Alcohol use Retrospective study Brain injury
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The Assault of Low Oil Prices Confronts China's Petroleum Industry
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《China's Foreign Trade》 1999年第5期26-27,共2页
关键词 In The Assault of Low Oil Prices Confronts China’s Petroleum Industry
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An improved effective liquid drop model for cluster radioactivity
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作者 崔建坡 邢凤竹 +3 位作者 高永浩 齐立倩 王艳召 顾建中 《Communications in Theoretical Physics》 SCIE CAS CSCD 2024年第3期127-137,共11页
The effective liquid drop model(ELDM)is improved by introducing an accurate nuclear charge radius formula and an analytic expression for assaulting frequency.Within the improved effective liquid drop model(IMELDM),the... The effective liquid drop model(ELDM)is improved by introducing an accurate nuclear charge radius formula and an analytic expression for assaulting frequency.Within the improved effective liquid drop model(IMELDM),the experimental cluster radioactivity half-lives of the trans-lead region are calculated.It is shown that the accuracy of the IMELDM is improved compared with that of the ELDM.At last,the cluster radioactivity half-lives that are experimentally unavailable for the trans-lead nuclei are predicted by the IMELDM.These predictions may be useful for searching for new candidates for cluster radioactivity in future experiments. 展开更多
关键词 cluster radioactivity nuclear charge radius assaulting frequency effective liquid drop model
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Experiment and simulation study of emergency evacuation during violent attack in classrooms 被引量:2
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作者 Ning Ding Yihang Ma +1 位作者 Dapeng Dong Yadi Wang 《Journal of Safety Science and Resilience》 CSCD 2021年第4期208-221,共14页
In recent years,as a disaster,terrorist attacks have occurred throughout the world.However,emergency evac-uation behaviors during these incidents were not clear,and the traditional emergency plans were not suitable fo... In recent years,as a disaster,terrorist attacks have occurred throughout the world.However,emergency evac-uation behaviors during these incidents were not clear,and the traditional emergency plans were not suitable for such incidents.In this paper,evacuation behaviors under armed assault attack in a classroom were studied based on evacuation experiments.A total of 103 participants took part in three experiments.In each experiment,the attacker’s attacking route was set differently to study the impact of the attacking route on evacuation be-haviors.Pre-evacuation delay,panic of the evacuees,exit choices,evacuation time,and evacuees’trajectories in the experiments were all analyzed.The results of the experiments showed that when a terrorist attack occurs,there is a long delay before evacuation,and most of the evacuees were in the state of“observation”before they moved.When one of the participants started to evacuate or shout,other participants would begin to recognize the danger and escape quickly.These three experiments showed that the route of the attacker had a significant impact on the routes and exit choices of the evacuees.Rather than searching for the nearest exit,the primary purpose of evacuees was to keep a safe distance from the attacker.The average speed of the evacuees in these three experiments was 1.07 m/s,0.81 m/s,and 0.84 m/s,respectively.The density distribution during the crowd evacuation process was uneven,with the highest density occurring at the area from the seats to the aisles.The research can provide data support for the design of emergency plans and the computer simulation of the armed assault attack. 展开更多
关键词 Emergency evacuation Armed assault attack Attacker’s route EXPERIMENT
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Determination of barbiturates in hair samples by using a validated UHPLC-HRMS method: application in investigation of drug-facilitated sexual assault 被引量:1
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作者 Di Wen Yan Shi +6 位作者 Xiaoguang Zhang Bing Xie Wenqiao Liu Feng Yu Ping Xiang Bin Cong Chunling Ma 《Forensic Sciences Research》 CSCD 2022年第1期78-87,共10页
In recent years,benzodiazepines and benzodiazepine-like drugs are the most common substances associated with drug-facilitated sexual assaults(DFSA);however,barbiturates are also detected occasionally.Segmental hair an... In recent years,benzodiazepines and benzodiazepine-like drugs are the most common substances associated with drug-facilitated sexual assaults(DFSA);however,barbiturates are also detected occasionally.Segmental hair analysis provides useful information on the historic pattern of drug use,enabling differentiation between single exposure in DFSA cases and chronic use.However,sensitive and specific methods for barbiturate analysis in hair samples are needed.Herein,we present an ultra-high-performance liquid chromatography coupled with high-resolution mass spectrometry(UHPLC-HRMS)method for qualitative and quantitative determination of seven barbiturates in hair samples.Firstly,a hair strand was decontaminated and then freeze-milled in liquid nitrogen.Next,50mg of powdered hair was extracted with methanol in an ultrasonic bath for 10 min in the presence of 10 ng phenobarbital-d5.The supernatant was dried under nitrogen gas,and the pellet was dissolved in 100 μL mobile phase.Afterwards,10 μL of the suspension was injected into the UHPLC-HRMS system.The present method involved two UHPLC conditions for determination of barbiturates(I)and identification of the structural isomers amobarbital and pentobarbital(II).This method showed satisfactory linearity in a range of 0.02–20.00 ng/mg for UHPLC conditions I and II,both with a high determination coefficient(0.9991–0.9999).The selectivity,intra-and interday precision,accuracy and matrix effect of the method were acceptable.Next,the validated method was applied to investigate an authentic DFSA case.Hair samples(black,approximate 25cm long)were collected 3 months after the assault,and the proximal segments(0–5 cm from the root;each segment was 1 cm long)were analysed.Amobarbital was detected at a concentration of<LOQ(limit of quantification)and 0.09 ng/mg in the second and third 1-cm hair segment but not in the other segments.Thus,our method was successful in determining barbiturate concentration in human hair after a single-dose exposure,showing its potential for application in the investigation of DFSA cases. 展开更多
关键词 Forensic sciences forensic toxicology segmental hair analysis BARBITURATES UHPLC-HRMS drugfacilitated sexual assault
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Improved resolution of mixed STR profiles using a fully automated differential cell lysis/DNA extraction method 被引量:1
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作者 Matthew C.Goldstein Jordan O.Cox +1 位作者 Lori B.Seman Tracey Dawson Cruz 《Forensic Sciences Research》 CSCD 2020年第2期106-112,共7页
Sexual assault evidence often contains sperm cells,which are typically separated from nonsperm cells using manual differential lysis procedures.The goal of this study was to evaluate the automated QIAGEN QIAcube for t... Sexual assault evidence often contains sperm cells,which are typically separated from nonsperm cells using manual differential lysis procedures.The goal of this study was to evaluate the automated QIAGEN QIAcube for this purpose and to compare it to manual QIAGEN and manual organic differential methods using DNA yields and STR profile data for assessment.DNA yields were determined by qPCR,followed by multiplex STR amplification,CE analysis,and mixture interpretation.The automated method was capable of effective cell separation,producing DNA yields sufficient for STR amplification.Further,sperm fraction human:male DNA ratios from the QIAcube samples were consistently closer to the desired 1:1 and STR profiles were less likely to result in mixtures,with 6–8fewer female alleles detected(median 1.5 alleles).Ultimately,using the QIAcube for automated differential processing of semen-containing mixtures reduces the need for downstream mixture interpretation and improves STR profile quality with substantially less hands-on time. 展开更多
关键词 Forensic sciences forensic genetics sexual assault evidence QIAcube differential lysis sperm lysis automated DNA extraction mixture analysis
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