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Effects of supervised movie appreciation on the improvement of college students’ life meaning sense 被引量:15
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作者 Xinqiang Wang Dajun Zhang +2 位作者 Jinliang Wang Hui Xu Min Xiao 《Health》 2010年第7期804-810,共7页
The purpose of this study was to explore the effects of supervised movie appreciation on improving the life meaning sense among college students. The intervention combined by “pre-video, post counseling” was conduct... The purpose of this study was to explore the effects of supervised movie appreciation on improving the life meaning sense among college students. The intervention combined by “pre-video, post counseling” was conducted on the experimental group, while the control group received no intervention. Results have shown that the scores on the subscales of will to meaning, life purpose, life control, suffer acceptance and on the total scale have improved significantly. No gender difference was found on the intervention effect, and participants receiving intervention maintained higher level on related subscales a week later, indicating that supervised movie appreciation is an effective way to improve the life meaning sense among college students. 展开更多
关键词 College Students life meaning sense Supervised MOVIE APPRECIATION SUICIDE Prevention MENTAL Health Education
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Mindfulness Associates Life Satisfaction:The Mediating Role of Internal Control and the Presence of Meaning in Life
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作者 Zihui Yuan Yanhui Xiang Ziyuan Chen 《International Journal of Mental Health Promotion》 2021年第1期15-25,共11页
This study explored the internal mechanism of the effect of mindfulness on life satisfaction from the perspective of logotherapy theory and achievement attribution theory.We recruited 1021 college students using a com... This study explored the internal mechanism of the effect of mindfulness on life satisfaction from the perspective of logotherapy theory and achievement attribution theory.We recruited 1021 college students using a combination of random sampling and cluster sampling.They completed the relevant questionnaire.The results showed that,from the perspective of logotherapy theory,wefind that the presence of meaning in life is an important intermediary between mindfulness and life satisfaction.From the perspective of achievement attribution theory,we found that internal control was an important intermediary between mindfulness and life satisfaction.In addition,we also found the chain mediating path that mindfulness positively predicted life satisfaction by influencing internal control and then influencing the presence of meaning in life.This study proves for thefirst time that the theory of logotherapy and achievement attribution explain the internal mechanism of the relation of mindfulness on life satisfaction.This study provides an important reference for how to effectively improve life satisfaction from the perspective of mindfulness. 展开更多
关键词 MINDFULNESS life satisfaction the presence of meaning in life internal control structural equation model
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Depression by the Theory of Breathing and Finding Meaning of Life
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作者 Nadia Khalid Al-Khalidi Hamad Al-Tayyar 《Journal of Behavioral and Brain Science》 2021年第12期286-300,共15页
This study aimed to examine the relationship of finding meaning to life with the level of depression and investigates the effect of using breathing theory in treating or reducing depression in a sample of individuals ... This study aimed to examine the relationship of finding meaning to life with the level of depression and investigates the effect of using breathing theory in treating or reducing depression in a sample of individuals suffering from depression in the Kuwait Mental Health Center. In order to achieve these objectives, the researcher used the descriptive and analytical approach through an applied questionnaire on the study sample which consist of (380) individuals and the quasi-experimental approach by dividing the study sample individuals into two groups;control group consisted of (190) individuals and experimental group consist of (190) individuals. Also, the researcher developed meaning of life scale and breathing strategy, also used beck depression inventory scale. The study found a set of results, there is a negative relationship between finding meaning in life and depression and there are statistically significant differences between the members of the two groups due to the use of the breathing strategy, in favor of the experimental group. In the light of this result, the study came out with a set of recommendations, the most important of which are holding training and educational courses for depressed patients on ways and methods of finding meaning in life, as these courses have the benefit in reducing the level of depression among patients. 展开更多
关键词 DEPRESSION theory of Breathing Finding meaning of life KUWAIT
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On Willa Cather's Sense of Values and Philosophy of Life——After Reading The Sculptors' Funeral
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作者 Li Xiaoling (Lanzhou Normal College, Lanzhou, 730070, China) 《兰州大学学报(社会科学版)》 CSSCI 北大核心 2000年第S1期29-32,共4页
What is success? How is success measured? Willa Cather provides us two sets of values.To some people, success is measured in terms of money. To some success means choosing one’s own life and realizing one’s own valu... What is success? How is success measured? Willa Cather provides us two sets of values.To some people, success is measured in terms of money. To some success means choosing one’s own life and realizing one’s own values. In the novel The Sculptor’s Funeral Cather portrays an artist, who breaks the bondage of the old environment, and becomes a successful sculptor. However, he is regarded as a failure by his local people because the values by which they judge success are not the same. 展开更多
关键词 sense of values philosophy of life tragedy success failure
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The Ethics and the Meaning of Life among College Students
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作者 Maria Helena de Agrela Goncalves Jardim Geraldo Bezerra da Silva Junior +2 位作者 Marcia Lucia Sousa Dias Alves Bruna Raquel Figueira Ornelas de Gouveia Rita Baptista Silva 《International Journal of Clinical Medicine》 2018年第4期221-233,共13页
The concern of the ethics and the meaning of life in young adults became universal and are present in all contexts of human life. Such universality is due to the development of modern rationality, to establish a relat... The concern of the ethics and the meaning of life in young adults became universal and are present in all contexts of human life. Such universality is due to the development of modern rationality, to establish a relationship between the intrinsic theoretical dimensions (scientific) and practical dimensions (ethical), originated that are present in the own array of knowledge. This descriptive cross-sectional study, aims to identify the values of the ethical dimension and meaning of life defended by the college students of the Universities of Madeira, Portugal and Fortaleza, Brazil. The sample consists of 605 University students (Madeira = 225 and Fortaleza = 380), with an average age of 21 years and a standard deviation of 2. We used the questionnaire on values (adapted from the European Values Survey). Most of the young people referred to have a religion (60% wood and 78.4% stronghold), being the most Catholic, however, present in your frequency disinterest and, yet, in Brazil there is a greater diversity of religions. Supporting the intervention of religious institutions in situations of everyday life is accepted mostly by Brazilians, with the exception of politics (35.5%). On the other hand, the university students of the University of Madeira understand that Religious Institutions should only give their opinion on racial discrimination (76.6%). Believe in God (90.8% and 55.1% Stronghold) and Soul (80.3% and 66.4% Stronghold) are beliefs more referred to by college students. These results are intended to contribute in the field of research on ethical values and meaning of life in young people. This study contributes to future comparative research among university students and to developing strategic programs in education and health, increasing the success and excellence in the formation of a full citizenship, preventing the fanaticisms and the social discrimination that today devastate the collective globally. 展开更多
关键词 VALUES ETHICS meaning of life Young Adults College Students Questionnaire on Values (QSV)
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Associations of sense of coherence with psychological distress and quality of life in inflammatory bowel disease 被引量:10
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作者 Thiago H Freitas Elias Andreoulakis +4 位作者 Gilberto S Alves Hesley LL Miranda Lúcia LBC Braga Thomas Hyphantis André F Carvalho 《World Journal of Gastroenterology》 SCIE CAS 2015年第21期6713-6727,共15页
AIM:To investigate the relationship between sense of coherence,psychological distress and health related quality of life in inflammatory bowel disease(IBD).METHODS:This cross-sectional study enrolled a consecutive sam... AIM:To investigate the relationship between sense of coherence,psychological distress and health related quality of life in inflammatory bowel disease(IBD).METHODS:This cross-sectional study enrolled a consecutive sample of 147 IBD(aged 45.1 ± 14.1 years; 57.1% female) patients recruited from a tertiary gastroenterology service.Sixty-four participants met diagnostic criteria for Crohn's disease,while eightythree patients had ulcerative colitis.Socio-demographic data(education,age,race,gender,gross monthly income and marital status),disease-related variables(illness activity,relapse rate in past 2 years,history of surgery and time since diagnosis),sense of coherence(Antonovsky's SOC scale),psychological distress symptoms(Hospital Anxiety and Depression Scale) and health-related quality of life(HRQo L; WHOQOLBref) were assessed.Hierarchical multiple regression analyses were performed to identify factors that are independently associated with psychological distress and HRQo L in patients with IBD and to provide indications for possible moderating or mediating effects.In addition,formal moderation and mediation analyses(Sobel tests) were performed to confirm potential moderators/mediators of the relationship between SOC,psychological distress symptoms and HRQoL.RESULTS:Lower SOC scores(std beta=-0.504; P < 0.001),female gender(std beta = 0.176; P = 0.021) and White race(std beta = 0.164; P = 0.033) were independently associated with higher levels of depressive symptoms,while lower levels of SOC(std beta =-0.438; P < 0.001) and higher relapse rate(std beta = 0.161; P = 0.033) were independently associated with more severe anxiety symptoms.A significant interaction between time since diagnosis and SOC was found with regard to the severity of depressive or anxiety symptoms,as the interaction term(time since diagnosis X SOC) had beta coefficients of-0.191(P = 0.009) and-0.172(P = 0.026),respectively.Lower levels of anxiety symptoms(std beta =-0.369; P < 0.001),higher levels of SOC(std beta = 0.231; P = 0.016) and non-White race(std beta =-0.229; P = 0.006),i.e.,mixed-race,which represented the reference category,were independently associated with higher levels of overall HRQoL.Anxiety symptoms were the most potent independent correlate of most aspects of HRQoL.In addition,anxiety mediated the association between SOC and satisfaction with health,as well as its relationship with physical,mental,and social relations HRQo L.Depressive symptoms also mediated the association between SOC and mental HRQoL.CONCLUSION:Our data indicated that SOC is an important construct,as it influences psychological distress and has significant albeit indirect effects on several HRQoL domains in IBD. 展开更多
关键词 sense of COHERENCE COPING ANXIETY Depression Quality of life Crohn's disease Ulcerativecolitis
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Meaning in life and well-being of older stroke survivors in Chinese communities: Mediating effects of mastery and self-esteem 被引量:1
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作者 Jingjin Shao Jiliang Shen +1 位作者 Qinghua Zhang Tian Lin 《Health》 2013年第4期743-748,共6页
The study aims to examine the role of mastery and self-esteem as a potential mediator of the relationship of meaning in life and well-being among older Chinese stroke survivors. A cross-sectional study was conducted i... The study aims to examine the role of mastery and self-esteem as a potential mediator of the relationship of meaning in life and well-being among older Chinese stroke survivors. A cross-sectional study was conducted in 214 community-dwelling older stroke survivors (128 men and 86 women), ranging from 60 years to 88 years old. The meaning in life, mastery, self-esteem and subjective well-being were measured. The results indicated that: 1) The meaning in life and subjective well-being of stroke survivors were significantly positive correlated;2) Mastery and self-esteem played partial mediating roles between existential vacuum and subjective well-being;Self-esteem played full a mediating role between suffer acceptance and subjective well-being;Mastery played a full mediating role between life control and subjective well-being;Mastery played a partial mediating role between death acceptance and subjective well-being;Self-esteem also played a partial mediating role between mastery and subjective well-being. 展开更多
关键词 STROKE meaning in life MASTERY SELF-ESTEEM WELL-BEING
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Relationship between sense of coherence and lifestyle in middle-aged workers in Japan
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作者 Ryuji Ochiai Syunichi Daitou Kiyoshi Aoki 《Health》 2012年第1期20-25,共6页
Metabolic syndrome has recently become a concern in Japan. It is commonly believed that lifestyle quality must be improved and main- tained for optimum health. A cross-sectional survey of middle-aged workers was perfo... Metabolic syndrome has recently become a concern in Japan. It is commonly believed that lifestyle quality must be improved and main- tained for optimum health. A cross-sectional survey of middle-aged workers was performed to examine the relationship between a sense of coherence (SOC) and health status. The study further aimed to determine the quality of life necessary to maintain physical and psychologi- cal health. An anonymous online survey was conducted with a panel of respondents regis- tered with an Internet research service. The survey items addressed SOC and awareness of lifestyle habits, specifically lifestyle factors of self-rated health, level of satisfaction, and level of stress. Responses were obtained from 412 women and 206 men. The approximately equal high and low SOC results indicated that self- rated health and level of satisfaction were signi- ficantly higher in both sexes with a high SOC, and such participants also experienced signifi- cantly lower levels of daily stress. With regard to the association between lifestyle factors and health, women with a high SOC tended to have shorter commutes, and a higher percentage ate breakfast daily compared with women with a low SOC. Men with a high SOC worked significantly longer hours, and a higher percentage were ei- ther married or resided with family. No sex dif- ferences in SOC were observed for health be- havior in daily life, and 50% of both women and men reported positive health behavior. Health behavior differed, however, according to SOC and sex. These findings suggest that health pre- servation in daily life of middle-aged worker’s women is possible through sustaining and en- hancing 展开更多
关键词 Quality of life sense of COHERENCE HEALTHY lifeSTYLE
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A Statistical Analysis of Intensities Estimation on the Modeling of Non-Life Insurance Claim Counting Process 被引量:1
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作者 Uraiwan Jaroengeratikun Winai Bodhisuwan Ampai Thongteeraparp 《Applied Mathematics》 2012年第1期100-106,共7页
This study presents an estimation approach to non-life insurance claim counts relating to a specified time. The objective of this study is to estimate the parameters in non-life insurance claim counting process, inclu... This study presents an estimation approach to non-life insurance claim counts relating to a specified time. The objective of this study is to estimate the parameters in non-life insurance claim counting process, including the homogeneous Poisson process (HPP) and the non-homogeneous Poisson process (NHPP) with a bell-shaped intensity. We use the estimating function, the zero mean martingale (ZMM) as a procedure of parameter estimation in the insurance claim counting process. Then, Λ(t) , the compensator of is proposed for the number of claims in the time interval . We present situations through a simulation study of both processes on the time interval . Some examples of the situations in the simulation study are depicted by a sample path relating to its compensator Λ(t). In addition, an example of the claim counting process illustrates the result of the compensator estimate misspecification. 展开更多
关键词 Estimating Function Zero Mean MARTINGALE NON-life INSURANCE CLAIM Counting PROCESS Poisson PROCESS Bell-Shaped Intensity
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The Life Course of a Long-Lasting Affection Medium:A Fieldwork Based on the Communication Practice of the Rural Loudspeakers in North China
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作者 ZHANG Sen QIU Qian 《Cultural and Religious Studies》 2022年第10期545-556,共12页
The loudspeakers played a crucial role in rural community during the COVID-19 pandemic,and had returned to the public with the help of short video platforms.However,with the continued popularity of digital media,is th... The loudspeakers played a crucial role in rural community during the COVID-19 pandemic,and had returned to the public with the help of short video platforms.However,with the continued popularity of digital media,is the revival of the loudspeakers which belong to traditional media just a flash in the pan?What the historic process of return has the loudspeakers undergone?Based on these questions,the paper applies Bourdieu’s sense of practice theory,focuses on“habit”throughout,adopts the research methods of online ethnography and fieldwork,and conducts participant observation and targeted in-depth interviews in a village in North China for about nine months.The study found that:(1)There is the lag of habit in the state’s handling of social relations in villages.Based on rational habit,village cadres used the loudspeakers to manifest their physical presence and restructure their authority;the villagers,operating under perceptual habit,rationalized the presence of the loudspeakers through using the key words such as elders,nostalgia,and homesickness;(2)the loudspeakers was maintained under the habit of village cadres and ordinary villagers,and the outbreak of the epidemic made the loudspeakers as an habit truly“appearing”;(3)the young village cadres,on the other hand,acquired this habit through imitation,transposed the loudspeakers into the short video platform,and carried out different forms of experimentation and innovation,thus surpassing the previous forms of loudspeakers practice.The return of the loudspeakers is the result of the game of different habits.As a long-lasting affection medium,the loudspeakers,on the one hand,has become an important media scene and memory field indispensable to rural community,and on the other hand,the people living on this land have a deep attachment to the loudspeakers,which is indirectly transformed into the bearer of homesickness.This brings new inspiration for us to rethink the relationship between the traditional media and the new media,the iteration of cadres and the change of rural community. 展开更多
关键词 LOUDSPEAKERS sense of practice long-lasting affection medium life course
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Real-time Meaning in Communication and the Analysis of the Meaning of Referring Expressions
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作者 王亚明 《海外英语》 2019年第20期131-133,共3页
Based on a review of the theories on meaning in the field of philosophy, semantics and pragmatics, this paper suggests that language meaning, subject to constant change in real communication,is a concept different fro... Based on a review of the theories on meaning in the field of philosophy, semantics and pragmatics, this paper suggests that language meaning, subject to constant change in real communication,is a concept different from relatively static sense and reference which are mutual inter-dependent to each other. Sense and reference constitute the personal images of any given words.Three sources of meaning are elaborated: the dictionary sense, the personal images of any given words, and the dynamic context.A combination of traditional semantic meaning and dynamic pragmatic meaning analysis is suggested through examining the meaning derivation process in the cases of the use of referring expressions in definite, indefinite descriptions, and incomplete sentences. 展开更多
关键词 sense REFERENCE persona image meaning referring expression
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The Support of Religious Emotion to Religious Life
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作者 Ma Lei 《International English Education Research》 2014年第7期31-33,共3页
关键词 宗教 情感 生活
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The Support of Religious Emotion to Religious Life
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作者 Ma Lei 《Journal of Zhouyi Research》 2014年第5期28-30,共3页
关键词 宗教 情感 生活
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“The Right of Way”中的视觉艺术分析
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作者 武新玉 《江西师范大学学报(哲学社会科学版)》 2007年第6期138-141,共4页
威廉·卡洛斯·威廉姆是美国现代文学中一位十分重要的诗人。他的诗歌注重艺术的创新,强烈意识到现代人的感受要用相应的新手法来表现,力求直接、真切、生动地表达人们各种各样的经验和感受。从现代视觉艺术的角度对威廉.卡洛斯... 威廉·卡洛斯·威廉姆是美国现代文学中一位十分重要的诗人。他的诗歌注重艺术的创新,强烈意识到现代人的感受要用相应的新手法来表现,力求直接、真切、生动地表达人们各种各样的经验和感受。从现代视觉艺术的角度对威廉.卡洛斯.威廉姆的一首关于驾车人沿途所见的诗歌进行分析,探寻诗歌如何用具体而平常的语言,勾勒出形象,不加评论,让它们表现某种情绪和感受,直接作用于读者的感官。 展开更多
关键词 威廉·卡洛斯·威廉姆 诗歌 艺术美感 视觉中心 形有限而意无穷
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Residual Fatigue Life Prediction of Ball Bearings Based on Paris Law and RMS 被引量:6
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作者 XU Dong HUANG Jin'e +3 位作者 ZHU Qin CHEN Xun XU Yongcheng WANG Shuang 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2012年第2期320-327,共8页
Paris law can reflect the failure mechanism of materials and is usually used to be a method to predict fatigue life or residual fatigue life.But the variable which can represent the health of machine is hardly measure... Paris law can reflect the failure mechanism of materials and is usually used to be a method to predict fatigue life or residual fatigue life.But the variable which can represent the health of machine is hardly measured on line.To a degree,the difficulty of on-line application restricts the scope of application of Paris law.The relationship between characteristic values of vibration signals and the variable in the Paris equation which can describe the health of machine is investigated by taking ball bearings as investigative objects.Based on 6205 deep groove ball bearings as a living example,historical lives and vibration signals are analyzed.The feasibility of describing that variable in the Paris equation by the characteristic value of vibration signals is inspected.After that vibration signals decomposed by empirical mode decomposition(EMD),root mean square(RMS) of intrinsic mode function(IMF) involving fault characteristic frequency has a consistent trend with the diameter of flaws.Based on the trend,two improved Paris models are proposed and the scope of application of them is inspected.These two Paris Models are validated by fatigue residual life data from tests of rolling element bearings and vibration signals monitored in the process of operation of rolling element bearings.It shows that the first improved Paris Model is simple and plain and it can be easily applied in actual conditions.The trend of the fatigue residual life predicted by the second improved Paris model is close to the actual conditions and the result of the prediction is slightly greater than the truth.In conclusion,after the appearance of detectable faults,these improved models based on RMS can predict residual fatigue life on line and a new approach to predict residual fatigue life of ball bearings on line without disturbing the machine running is provided. 展开更多
关键词 residual fatigue life Paris law prediction model intrinsic mode function(IMF) root mean square(RMS)
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Fatigue Life Prediction of Rolling Bearings Based on Modified SWT Mean Stress Correction 被引量:3
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作者 Aodi Yu Hong-Zhong Huang +2 位作者 Yan-Feng Li He Li Ying Zeng 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2021年第6期240-251,共12页
The existing engineering empirical life analysis models are not capable of considering the constitutive behavior of materials under contact loads;as a consequence,these methods may not be accurate to predict fatigue l... The existing engineering empirical life analysis models are not capable of considering the constitutive behavior of materials under contact loads;as a consequence,these methods may not be accurate to predict fatigue lives of roll-ing bearings.In addition,the contact stress of bearing in operation is cyclically pulsating,it also means that the bear-ing undergo non-symmetrical fatigue loadings.Since the mean stress has great effects on fatigue life,in this work,a novel fatigue life prediction model based on the modified SWT mean stress correction is proposed as a basis of which to estimate the fatigue life of rolling bearings,in which,takes sensitivity of materials and mean stress into account.A compensation factor is introduced to overcome the inaccurate predictions resulted from the Smith,Watson,and Topper(SWT)model that considers the mean stress effect and sensitivity while assuming the sensitivity coefficient of all materials to be 0.5.Moreover,the validation of the model is finalized by several practical experimental data and the comparison to the conventional SWT model.The results show the better performance of the proposed model,especially in the accuracy than the existing SWT model.This research will shed light on a new direction for predicting the fatigue life of rolling bearings. 展开更多
关键词 Rolling bearings Fatigue life prediction Modified SWT model Mean stress correction
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Impact of minimalism on consumers’ low-carbon innovation behavior: Interactive role of quantitative behavior
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作者 Jian Gao Liyu Tang Yang Lyuc 《Chinese Journal of Population,Resources and Environment》 2023年第2期82-89,共8页
Minimalism has become a new consumer trend that can guide low-carbon innovation behaviors.This study uses two experiments and one survey to explore the mechanisms underlying the relationships among minimalism,quantita... Minimalism has become a new consumer trend that can guide low-carbon innovation behaviors.This study uses two experiments and one survey to explore the mechanisms underlying the relationships among minimalism,quantitative behavior,and low-carbon innovation behavior.The results show that(1)minimalism can positively influence consumers’low-carbon innovation behavior;(2)the interactive effect of minimalist and quantitative behavior on low-carbon innovation behavior is significant;and(3)meaning in life can play a significant mediating role in the relationship between minimalism and low-carbon innovation behavior.Finally,corresponding strategies for theory and management practices are proposed. 展开更多
关键词 MINIMALISM Low-carbon innovation behavior Quantitative behavior meaning in life
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Meaning in Life and Mental Health Issues in Older Adults:A Meta-Analysis
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作者 Shu Nie Jiyoon Lim +2 位作者 Xintian Xu Lei Zheng Yiqun Gan 《International Journal of Mental Health Promotion》 2023年第9期971-984,共14页
This study aims to be the first to use meta-analysis to explore the relationship between meaning in life(MIL)and mental health issues among older adults.A meta-analysis was conducted using six databases,resulting in 1... This study aims to be the first to use meta-analysis to explore the relationship between meaning in life(MIL)and mental health issues among older adults.A meta-analysis was conducted using six databases,resulting in 16 studies with 5,074 participants in total.The“metacor”and“forestplot”packages in R-Studio were used for data analysis.The total effect was calculated using a random-effects model,with I2=86%in the heterogeneity test.The results showed a moderate negative correlation between MIL and mental health issues among older adults,with an average effect of−0.37.Five potential moderating variables were examined:the conceptualization of MIL(value vs.purpose),region(Asian vs.Western countries),residence status(community vs.nursing home vs.hospital),types of mental health issues,and evaluation methods(clinical vs.non-clinical).The first four had no significant moderating effect.The mean correlation coefficients between mental health issues and value/purpose were−0.49/−0.33;the mean correlation coefficients in Asian countries and Western countries were−0.48 and−0.34;the mean correlation coefficients among participants living in community/nursing home/mixed status were−0.33/−0.40/−0.40;the mean correlation coefficients between MIL and depression/others were−0.37/−0.35;however,the negative relationship between MIL and mental health issues was stronger when non-clinical evaluations(self-report only)were used.Specifically,the mean correlation coefficient for non-clinical evaluations was−0.42 and for clinical evaluations was−0.29.This study is the first meta-analysis to identify the negative correlation between older adults’MIL and mental health issues.Significant moderating effects of evaluation methods were found. 展开更多
关键词 meaning in life mental health issues DEPRESSION ANXIETY META-ANALYSIS older adults
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Effect of Strain Ratio on Fatigue Model of Ultra-fine Grained Pure Titanium
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作者 QIANG Meng YANG Xirong +1 位作者 LIU Xiaoyan LUO Lei 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS CSCD 2023年第5期1169-1178,共10页
The ultra-fine grained(UFG)pure titanium was prepared by equal channel angular pressing(ECAP)and rotary swaging(RS).The strain controlled low cycle fatigue(LCF)test was carried out at room temperature.The fatigue life... The ultra-fine grained(UFG)pure titanium was prepared by equal channel angular pressing(ECAP)and rotary swaging(RS).The strain controlled low cycle fatigue(LCF)test was carried out at room temperature.The fatigue life prediction model and mean stress relaxation model under asymmetrical stress load were discussed.The results show that the strain ratio has a significant effect on the low cycle fatigue performance of the UFG pure titanium,and the traditional Manson-coffin model can not accurately predict the fatigue life under asymmetric stress load.Therefore,the SWT mean stress correction model and three-parameter power curve model are proposed,and the test results are verified.The final research shows that the threeparameter power surface model has better representation.By studying the mean stress relaxation phenomenon under the condition of R≠-1,it is revealed that the stress ratio and the strain amplitude are the factors that significantly afiect the mean stress relaxation rate,and the mean stress relaxation model with the two variables is calculated to describe the mean stress relaxation phenomenon of the UFG pure titanium under different strain ratios.The fracture morphology of the samples was observed by SEM,and it was concluded that the final fracture zone of the fatigue fracture of the UFG pure titanium was a mixture of ductile fracture and quasi cleavage fracture.The toughness of the material increases with the increase of strain ratio at the same strain amplitude. 展开更多
关键词 ultra-fine grained pure titanium low cycle fatigue life model mean stress relaxation mode strain ratio fracture morphology
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Time is Not Money!——It Is a Providence of Opportunities
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作者 Amos Avny 《Journal of Philosophy Study》 2023年第1期44-53,共10页
The essay discusses the interrelations between Time and Money and the right ways for managing them.Additionally it discusses other aspects of life and time,such as:definition of time,smart use of time,use of time as d... The essay discusses the interrelations between Time and Money and the right ways for managing them.Additionally it discusses other aspects of life and time,such as:definition of time,smart use of time,use of time as distincting between men and animals,time,age and responsibility,time and the“meaning of life”,quality and quantity of lifetime,social aspects of time and science,technology and time.The author clearly expresses his opinion,that Time is a neutral abstract entity,exists in free democratic regimes and in less-liberatated autocracies.It is the explicit responsibility of every man and woman,anywhere,and everywhere,to prepare and train themselves for a smart use of the time awarded to them.On the other hand,Time is available for everyone and everything.The busy diligent hard-working person always seeks more challenging missions,while the less-energetic idle person,is always busy and tire of doing nothing.The author also claims that Time is an opportunity.It is available and inviting every active person,a thinker,a doer,and an entrepreneur to use and have it to achieve their goals.The author advises:Do not complain I have no time-dare to make the first step and“the other will come,tumbling after”.Active individuals have time for every challenging initiative;passive ones have no time for anything. 展开更多
关键词 TIME MONEY lifeTIME meaning of life equal opportunities science and technology
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