• 期刊

Environments Associated with Physical Activity and Sedentary time among senior citizens in China: A cross-sectional study

Objectives: Although many studies have reported the association between physical activities (PA for short) and sedentary time (ST for short) of senior citizens and built environment (BE for short), few studies have paid attention to Chinese senior citizens. The goal of this study is to examine the association between neighborhood BEs and PA of Chinese senior citizens. Methods: A multilevel cross-sectional study was conducted from November 2016 to April 2017. Thirty neighborhoods were selected and 586 individuals aged 60 years or older who live in the urban zone of Nanjing city (a city in south China) were surveyed. Physical activities were measured by Actigraph GT3 Accelerometer. Built environment variables were measured by ArcGIS software. Later, independent variables and dependent variables were divided into three levels and assignment 1, 2 and 3. Finally, the sociology of population variable of education, gender and income as control variables into orderly classification more Logistic regressive model. Results: Our study found that with the land-use mix for each level, reduce the level of MVPA changes forecast coefficient beta 1.122, p=0.016 and 0.762, p=0.036, distance to Public transport station between level2 and level3 forecast coefficient beta 0.769, P=0.049. the distance to Recreational facilities for each level,, reduce the level of MVPA changes forecast coefficient beta 0.830, p=0.009 and 0.592, p=0.013. other BE factors were not found to be related to MVPA. while the population density for each level, reduce the level of ST changes forecast coefficient beta 0.745, p=0.004 and 0.751, p=0.014, Total road length between level2 and level3 forecast coefficient beta 0.926, P=0.029 and other BE factors were not found to be related to ST. Conclusion: Our findings provide support for the association. Some characteristics of BE (e.g., land-use mix, distance to Public transport and distance to Recreational facilities) may effect PA levels, and few characteristics of BE (e.g., population density and Total road length) may effect ST. In formulating planning policies, the above factors can be improved to promote older people physical activity, change the sedentary lifestyle and improve their health level.

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Futile Pursuit of Freedom: Gao Xingjian's Escape from Chineseness

This article examines Gao's dynamic processes of escape from Chineseness and its failure. It also expresses concerns for modern men's alienation with the environment. Gao Xingjian attempts to make an escape through travelling to Southwest China to seek the true self through conversations with others and nature in ＂other＂ culture. However, this escape to individualism and the superficial dichotomy between mainstream, Confucian, Han culture and natural, female, minority culture he created merely leads to empty religious feelings and excessive personal desires. His rejection of historical narration generates his return to self, which in turn brings him doubts and spiritual shackles. In that sense, he falls into a self-contradictory condition: his overemphasis on ideal free wills hinders him from finding true relationship, and his escape can be regarded as another pursuit of imagined sanctuary in psychic level similar to the historical optimism he criticized.

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Ultrasonographic manifestations of parathyroid gland injury in thyroid surgery

Objective: To explore the characteristics of parathyroid gland (PG) injury in thyroid surgery from the perspective of ultrasound imaging, and to reduce the risk of parathyroid gland injury caused by surgery. Methods: A total of 39 cases of PG damage (including 29 cases of total thyroidectomy plus central lymph node dissection and 10 cases of total thyroidectomy) operated in our hospital from 2008 to 2018 were reviewed. Ultrasonography and related laboratory examinations were performed before and after operation. The number and changes of PG display before and after operation were compared and analyzed according to related laboratory results and clinical symptoms. Results: Among the 19 cases of total thyroidectomy plus central lymph node dissection, 2 cases had intraoperative convulsions with immediate blood calcium of 1.4 mmol / L and 1.6 mmol / L, and the blood calcium was still less than 1.9 mmol / L one year later. Compared with preoperative ultrasound examination, PG in the same site did not show 4 cases, while the remaining 17 cases had hypocalcemia of varying degrees within 3 months after surgery, with the lowest blood calcium of 1.65 mmol / L. Compared with preoperative ultrasound examination, PG in the same site did not show 19 cases, and PG in the other 15 cases showed uneven echo reduction and blurred edges. Seventeen patients with complete thyroidectomy had hypocalcemia of varying degrees within one month after operation, with the lowest calcium level of 1.67 mmol / L. Compared with the same PG in the preoperative ultrasound examination, no 18 PG were found, and the echo of another 16 PG was unevenly reduced. One week after thyroidectomy, blood calcium in 2 cases was the lowest of 1.7 mmol / L, and returned to normal after 1 week. Compared with the same part of PG in ultrasound examination before operation, no PG was found in 1 case, and the echo of another 2 PG was unevenly reduced. One case of partial thyroidectomy did not show one PG in the same part compared with the preoperative ultrasound examination, and no obvious hypocalcemia was found. The total number of PGs decreased by 43 in 39 thyroid surgeries, 26 in the double upper region and 17 in the double lower region. A total of 33 pg echoes changed, 18 in the double upper region and 15 in the double lower region. the damage rate of pg in the upper region (44 / 76) was higher than that of pg in the lower region (32 / 76), (= 12.8, p ＜ 0.05). 69.7 % (23 / 33) of the 33 pgs whose echo changed had a lower blood flow signal than before, and 10 pgs showed uneven enhancement when they reached the peak by contrast-enhanced ultrasound. Conclusion: Thyroid surgery is easy to damage parathyroid glands. Ultrasound examination of parathyroid glands in patients with hypocalcemia after surgery can understand the damage of parathyroid glands and provide imaging basis for clinical practice.

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Thoughts on Deepening the Reform of Personnel Management System in Polytechnic

In recent years, the development of Polytechnic colleges in China has made great progress. The reform of colleges and universities must start with the reform of personnel management system, and it should be taken as the entry point of reform, and the reform of personnel management system should be the focus of reform and development of colleges and universities. One of the content. This article begins with how to further deepen the reform of personnel management system in colleges and universities, starting from the important significance of deepening the reform of personnel management system, systematically expounding how to combine the reform of college personnel management with the concept of modern human resource management, and then improve The level of personnel management in colleges and universities and the efficiency of school staff. With a view to a more comprehensive, objective and overall understanding of the reform of personnel management system in colleges and universities, and promote the reform of personnel management system reform in colleges and universities.

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The Present Situation and Countermeasures of Polytechnic Library Management in the New Period

In recent years, with the rapid development of China's economy and technology, the construction and development of Polytechnic libraries have also achieved great results. This paper mainly expounds the status quo and existing problems of Polytechnic libraries, and according to the current high vocational books. The main defects faced by the museum are studied, and corresponding solutions are proposed to play a certain reference significance for the management of Polytechnic libraries in the new era.

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Advantages and paths of developing cloud computing industry in heilongjiang province

Cloud computing industry is strategic emerging industries that the national focus on the development, and accord with the direction that the industrial development of green low-carbon and development prospects. On the basis of defining the concept of cloud computing and cloud computing industry, through investigation and study analysis, this paper argues that the development of cloud computing industry comparative advantage is obvious in Heilongjiang province, at the same time, the Heilongjiang province cloud computing industry development path is put forward from the perspective of cloud computing technology development, some targeted countermeasures and Suggestions are put forward too.

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Research and comparison of energy saving technology of distribution network

The distribution network is the main part of the energy loss of the power system. It plays an important role in improving the economic benefit of the power supply enterprise and achieving the goal profit. In the composition of the electric power network, 10kV power supply line is a bridge connecting the power grid and the power users. The loss rate of line loss in power network accounted for more than 80%. Due to transformer and line loss is the mainly loss in the grid line loss ,so loss reduction and energy saving of the distribution network is mainly to optimize the power grid in all transformers and power lines. Due to the rapid growth of the load and power distribution network construction investment lags behind, 10kV power line has a great potential in saving energy and reducing consumption. Therefore, this paper mainly introduces the research and practice of domestic and international distribution network energy-saving, and analyzes the future development trend of distribution network energy saving technology.

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The Research about Metacognitive Strategy Training and Its Effects on College Students' Autonomous Learning

Autonomous learning is an important part of subjectivity education and still an embodiment of the students' sustainable development ability. Learning strategy is the key to promote autonomous learning while metacognitive strategy is the key to learning strategy, because cultivating students' metacognitive strategy is one of the main approaches of improving students' autonomous learning ability. The study is mainly about an English teaching experiment for 96 sophomores in which metacognitive strategies are applied in English teaching and it lasts for five months. The results show that: (1) students' sense of embodiment and autonomous learning ability are improved a lot through metacognitive strategy training; (2) students' overall English achievement as well as the abilities in basic knowledge of English, reading and writing are improved obviously, especially in improving students' reading ability. Therefore, metacognitive strategy training has a broad prospect of application in foreign language teaching.

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Study on the Correlation Between Vocabulary Learning Motivation and Vocabulary Acquisition Among Students of Joint-education

This thesis explores the distributions of seven types of vocabulary learning motivation, the correlations among motivation, breadth of vocabulary knowledge and depth of vocabulary knowledge by the investigation into 109 non-English majors from joint-education classes. The results from the experiment and data analysis mainly conclude that the subjects are strongly motivated by motivation of going abroad in the process of vocabulary acquisition, and there is significantly positive correlation between breadth of vocabulary knowledge and depth of vocabulary knowledge for the full sample. However, compared with the highest positive correlation score of low level group, middle-high level group shows negative correlation between breadth of vocabulary knowledge and depth of vocabulary knowledge, which indicates the development of their depth of vocabulary knowledge doesn't strengthen with the increase of their vocabulary quantities all the time, the lexical breadth and lexical depth among the subjects at big vocabulary size are negatively interrelated. Joint education, which refers to the educational cooperation between universities home and abroad, is popular in our country nowadays. As the students in this project need a higher level of second language (L2) proficiency for the chance to study abroad in the last two years of their university life, educators should pay adequate attention to them to satisfy their special requirement in foreign language learning compared with those who finish their higher education only in domestic education system.

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Teaching Strategies of Chinese as a Foreign Language Based on Sociocultural Theory

Sociocultural Theory founded by Vygotsky, a psychologist of the Soviet Union. It emphasizes second language learners should not only pay attention to their own internal process of absorbing knowledge, but also lay stress on the influence of external social and cultural factors on second language acquisition. Through Sociocultural Theory, discussing the strategies of teaching Chinese as a foreign language under the guidance of the theory of social culture.