期刊文献+

二次检索

题名
关键词
文摘
作者
第一作者
机构
刊名
分类号
参考文献
作者简介
基金资助
栏目信息
共找到784篇文章
< 1 2 40 >
每页显示 20 50 100
Spatial Distribution Characteristics and Coverage Rate of Commercial Facilities in 15-minute Radius Livelihood Service Circles of Chunshu Street
1
作者 HAN Qiqi YANG Kaitai 《Journal of Landscape Research》 2024年第1期17-21,共5页
Building a 15-minute radius livelihood service circle from the needs of residents is a topdown process of optimizing urban layout and promoting high-quality development implemented by the government.In September 2022,... Building a 15-minute radius livelihood service circle from the needs of residents is a topdown process of optimizing urban layout and promoting high-quality development implemented by the government.In September 2022,Xicheng District of Beijing served as a national pilot of the 15-minute radius livelihood service circle.Based on the data of POI,urban walking network and building outline,this paper studies the coverage of commercial service facilities in the 15-minute radius livelihood service circle of Chunshu Street by using kernel density analysis and urban network analysis tools.The research shows that the commercial facilities are concentrated in Zhuangsheng Square and Dazhalan commercial district.There are large gaps in housekeeping and couriers logistics facilities,which need to be further improved. 展开更多
关键词 Chunshu Street 15-minute radius livelihood service circle POI Historic urban areas Community business
下载PDF
Enhancing Women's Well-being and Self-Confidence through Fragrance Cosmetics:Perceptions within Close and Broader Social Circles
2
作者 Yang Fan Guo Miao +1 位作者 Zhou Ziyan Abriat Anne 《China Detergent & Cosmetics》 CAS 2024年第2期69-78,共10页
Mental and physical stress can affect people's self-confidence and happiness.The primary objective of this study is to develop an active fragrance that has been proved to have a positive effect on happiness and se... Mental and physical stress can affect people's self-confidence and happiness.The primary objective of this study is to develop an active fragrance that has been proved to have a positive effect on happiness and self-confidence based on the latest research results of aroma components and fragrance innovation.The active fragrance is applied to the cream formula to study the emotions it brings to the user and extend the research scope of the active emotion to the close and extensive social circle of users to see whether it can perceive it.This study provides a reference cosmetic solution for emotional regulating active fragrance. 展开更多
关键词 FRAGRANCE emotion CREAM social circle
下载PDF
Study on the Constructing Strategies of Rural Life Circles in Chinese Metropolitan Areas
3
作者 Dongshu Li Yueping Hu Darong Deng 《Journal of World Architecture》 2020年第2期10-13,共4页
Based on the aims of“issues of agriculture”and“three highs”in the new era,the metropolitan rural areas are targeted under the trend of counterurbanization.It follows the theory of Social Space Building,Maslow'... Based on the aims of“issues of agriculture”and“three highs”in the new era,the metropolitan rural areas are targeted under the trend of counterurbanization.It follows the theory of Social Space Building,Maslow's Theory of Demand,and the theory of Social Governance.It mainly explores rural constructing strategies on development and the life with clear governance integration,range,hierarchy and main function as well as completing the issues such as ecology,culture,industry,living environment and livelihood facilities. 展开更多
关键词 VILLAGERS CITIZEN LIFE circles
下载PDF
Maritime Arbitration Creates a Legal Environment For Shipping Circles
4
《China's Foreign Trade》 2002年第10期30-31,共2页
关键词 CMAC Maritime Arbitration Creates a Legal Environment For Shipping circles
下载PDF
Strengthening Standardized Construction of Band Card,Integrating with International Financial Circles
5
作者 Song Lei 《China Standardization》 2005年第6期24-27,共4页
Following the accession to the WTO of China,bank card industry faces new competition pressure and challenges. At present, the most outstanding problem we face is, how to narrow the gap of development between the inter... Following the accession to the WTO of China,bank card industry faces new competition pressure and challenges. At present, the most outstanding problem we face is, how to narrow the gap of development between the international bank card industry and that of China and keep up with fast-developing paces of international bank card as soon as possible. Objectively speaking, bank card industry of our country is still at the initial stage. 展开更多
关键词 CARD Strengthening Standardized Construction of Bank Card Integrating with International Financial circles Bank Innovation EMV
下载PDF
Chinese Composers Make Their Mark in U.S. Music Circles
6
《China & The World Cultural Exchange》 1995年第3期10-12,共3页
关键词 Chinese Composers Make Their Mark in U.S Music circles
下载PDF
Word Problems about Circles
7
作者 焦瑞 《疯狂英语(理论版)》 2019年第1期38-42,共5页
In primary school maths, CIRCLE is one of the most important units. Some of the students would think it would be okay to be able to understand the relationship between the diameter or the radius and the circumference ... In primary school maths, CIRCLE is one of the most important units. Some of the students would think it would be okay to be able to understand the relationship between the diameter or the radius and the circumference or the area of a circle.Here is a word problem:Choose the correct option A, B or C.Inthesquare,thereisaquartercircleandasmallcircle. 展开更多
关键词 In WORD PROBLEMS circles
下载PDF
The Application of Quality Control Circles to Reduce the Cost of Non-priced Consumables in Department of Oncology
8
作者 Xiaofang Zhang Jinglan Luo +5 位作者 Rui Dai Lu Wang Jieli Wei Yingying Liang Qiugui Huang Yuyao Liu 《Journal of Clinical and Nursing Research》 2021年第3期140-143,共4页
Objective:To investigate the effectiveness of using quality control circle(QCC)techniques to reduce the cost of non-priced consumables in medical oncology.Methods:Analytic statistics were compiled on the performance a... Objective:To investigate the effectiveness of using quality control circle(QCC)techniques to reduce the cost of non-priced consumables in medical oncology.Methods:Analytic statistics were compiled on the performance appraisal form.Aiming at the key points of improvement with respect to the excess cost of non-valuable consumables,the reasons were analyzed,and corresponding measures were formulated to compare the cost before and after the improvement.Results:After the QCC activity,the cost of non-priced consumables decreased from RMB 6.57/bed day to RMB 3.96/bed day.Conclusion:QCC has effectively reduced the cost of non-priced consumables in the oncology department,and it is worthy of promotion. 展开更多
关键词 Quality control circles Reduction non-priced consumables Cost
下载PDF
Use of Quality Control Circles-A Fad or Need
9
作者 AMIR Manzur Wain SHAHID Ikramullah Butt 《Computer Aided Drafting,Design and Manufacturing》 2006年第1期44-49,共6页
Different techniques including Quality Control Circles, Business Process Reengineering and Statistical Process Control (SPC), Total Quality Management have been in use to reduce waste in the industry. Waste is consi... Different techniques including Quality Control Circles, Business Process Reengineering and Statistical Process Control (SPC), Total Quality Management have been in use to reduce waste in the industry. Waste is considered as necessary evil and there are many types of waste in the industry. There are many ways and means to reduce waste but the less costly is to use Quality Control Circles technique effectively and efficiently. In quality control circles human resources that consist of small groups of employees are selected, who voluntarily meet at regular intervals to identify, analyze and solve quality and other problems in their work areas. In the Quality Control Circles different techniques of the quality improvement and total quality management are utilized which could be numeric or nonnumeric such as statistical quality control techniques and fish bone diagram or brain storming respectively. This article discusses that how reduction of waste in Pakistan industry is possible by using Quality Control Circles implementation. 展开更多
关键词 Quality Control circles (QCCs) FAD waste reduction continuous improvement processes
下载PDF
A Small Universe of Circles and Squares--Hakka Folk Buildings in China
10
作者 Zhao juan&Shao Quanxuan 《大美术》 2007年第4期131-138,共8页
At the common boundary of Min, Yue and Ga lies a world of mountains, brooks, forests and bamboos that hide some of China's best kept architectural secrets:the legendary folk buildings of the Hakka. Inspiring awe i... At the common boundary of Min, Yue and Ga lies a world of mountains, brooks, forests and bamboos that hide some of China's best kept architectural secrets:the legendary folk buildings of the Hakka. Inspiring awe in all who have stumbled upon them, these fortresses are home 展开更多
关键词 A Small Universe of circles and Squares Hakka Folk Buildings in China
下载PDF
A Grand Event for Cultural Circles──Publication Begins of the 40-volume King Gesar
11
《China's Tibet》 2001年第2期27-27,共1页
关键词 A Grand Event for Cultural circles Publication Begins of the 40-volume King Gesar
下载PDF
Detecting Circles Using a Two-Stage Approach 被引量:1
12
作者 Wen-Yen Wu 《Journal of Electronic Science and Technology》 CAS 2014年第3期318-321,共4页
We propose a two-stage method for detecting circular objects in this paper. In the first stage, curves are divided as linear segments or nonlinear segments. A least square estimator is used to find the estimated cente... We propose a two-stage method for detecting circular objects in this paper. In the first stage, curves are divided as linear segments or nonlinear segments. A least square estimator is used to find the estimated centers and radii of the nonlinear segments in the second stage. The found centers and radii are then evaluated to see if there exist circles in the nonlinear segments. Both of the broken and occluded circular objects are evaluated for the proposed method. From the experimental results, it is seen that the proposed method is efficient. 展开更多
关键词 Circle detection curve segmentation error estimation FITTING
下载PDF
Finite element analysis of slope stability by expanding the mobilized principal stress Mohr's circles-Development, encoding and validation 被引量:2
13
作者 Djillali Amar Bouzid 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2022年第4期1165-1179,共15页
In recent years,finite element analysis is increasingly being proposed in slope stability problems as a competitive method to traditional limit equilibrium methods(LEMs)which are known for their inherent deficiencies.... In recent years,finite element analysis is increasingly being proposed in slope stability problems as a competitive method to traditional limit equilibrium methods(LEMs)which are known for their inherent deficiencies.However,the application of finite element method(FEM)to slope stability as a strength reduction method(SRM)or as finite element limit analysis(FELA)is not always a success for the drawbacks that characterize both methods.To increase the performance of finite element analysis in this problem,a new approach is proposed in this paper.It consists in gradually expanding the mobilized stress Mohr’s circles until the soil failure occurs according to a prescribed non-convergence criterion.The present approach called stress deviator increasing method(SDIM)is considered rigorous for three main reasons.Firstly,it preserves the definition of the factor of safety(FOS)as the ratio of soil shear strength to the mobilized shear stress.Secondly,it maintains the progressive development of shear stress resulting from the increase in the principal stress deviator on the same plane,on which the shear strength takes place.Thirdly,by introducing the concept of equivalent stress loading,the resulting trial stresses are checked against the violation of the actual yield criterion formed with the real strength parameters rather than those reduced by a trial factor.The new numerical procedure was encoded in a Fortran computer code called S^(4)DINA and verified by several examples.Comparisons with other numerical methods such as the SRM,gravity increasing method(GIM)or even FELA by assessing both the FOS and contours of equivalent plastic strains showed promising results. 展开更多
关键词 Slope stability Finite element analysis Strength reduction method(SRM) Stress point-based factor of safety(FOS) Limit equilibrium method(LEM) Stress deviator Mohr’s circle Plastic strain
下载PDF
GENERALIZED CIRCLES AND THEIR CONFORMAL MAPPING IN A SUBSPACE OF A WEYL SPACE
14
作者 Güler Gürpinar Arsan Gülcin Civi Yildirim 《Acta Mathematica Scientia》 SCIE CSCD 2005年第2期331-339,共9页
The authors give the necessary and sufficient conditions for a generalized circle in a Weyl hypersurface to be generalized circle in the enveloping Weyl space. They then obtain the neccessary and sufficient conditions... The authors give the necessary and sufficient conditions for a generalized circle in a Weyl hypersurface to be generalized circle in the enveloping Weyl space. They then obtain the neccessary and sufficient conditions under which a generalized concircular transformation of one Weyl space onto another induces a generalized transformation on its subspaces. Finally, it is shown that any totally geodesic or totally umbilical hypersurface of a generalized concircularly flat Weyl space is also generalized concircularly flat. 展开更多
关键词 Weyl space generalized circle generalized concircular transformation totally umbilical space generalized concircular flat space
下载PDF
Analysis of the Higher Education Research in the Chengdu-Chongqing Region:A Comparative Perspective Based on Three Major Economic Circles in China
15
作者 Dai Rui Luo Hong Xie Xiaoli 《Contemporary Social Sciences》 2023年第1期102-115,共14页
Drawing on literature regarding higher education research retrieved from the CNKI database from 1997 to 2021,this paper used CiteSpace to analyze the current status of higher education research in the Chengdu-Chongqin... Drawing on literature regarding higher education research retrieved from the CNKI database from 1997 to 2021,this paper used CiteSpace to analyze the current status of higher education research in the Chengdu-Chongqing economic circle.By comparing it with that in the Beijing-Tianjin-Hebei region,the Guangdong-Hong Kong-Macao Greater Bay Area,and the Yangtze River Delta,this paper concluded that the level of higher education research within a region is in line with the level of the region’s economic and social development.As higher education research in the Chengdu-Chongqing economic circle draws more and more attention,its research areas and topics are becoming increasingly diversified.However,by comparison,the research in this region features a late start and lower participation of researchers and research institutions,resulting in insufficient research in both quantity and quality.Therefore,it is essential to encourage more experts and scholars to participate in higher education research in the Chengdu-Chongqing economic circle.Efforts should also be made to strengthen academic exchanges and cooperation between scholars in Chengdu and Chongqing and establish a long-term cooperation mechanism for higher education research between the two cities.Improved higher education research will definitely facilitate the construction of first-class universities,thus providing human capital and intellectual support for the construction of the Chengdu-Chongqing economic circle. 展开更多
关键词 higher education research Chengdu-Chongqing economic circle Beijing-Tianjin-Hebei region Guangdong-Hong Kong-Macao Greater Bay Area Yangtze River Delta
下载PDF
LIMIT CIRCLES BIFURCATED FROM A SOFT SPRINGDUFFING EQUATION UNDER PERTURBATION
16
作者 程福德 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI 1998年第2期129-133,共5页
In this paper, the Melnikov function method has been used to analyse the distance between stable manifold and unstable manifold of the soft spring Duffing equation([1]) after its heteroclinic orbits rupture as the res... In this paper, the Melnikov function method has been used to analyse the distance between stable manifold and unstable manifold of the soft spring Duffing equation([1]) after its heteroclinic orbits rupture as the result of a small perturbation. The conditions that limit circles are bifurcated are given, and then their stability and location is determined. 展开更多
关键词 limit circle heteroclinic orbit Melnikov function
全文增补中
Photographic composite detection using circles 被引量:2
17
作者 Shuyi ZHU Xiaochun CAO Handong ZHAO 《Frontiers of Computer Science》 SCIE EI CSCD 2012年第6期741-755,共15页
In this work, we propose several new methods for detecting photographic composites using circles. In particular, we focus on three kinds of scenes: (1) two coplanar circles with the same radius; (2) a single circ... In this work, we propose several new methods for detecting photographic composites using circles. In particular, we focus on three kinds of scenes: (1) two coplanar circles with the same radius; (2) a single circle with its discriminable center; (3) a single circle with geometric constraints for camera calibration. For two circles' situation, we first estimate the focal length based on the equality of the sizes of two coplanar circles, and then estimate the normal vector of the world circle plane. Inconsistencies in the angles among the normal vectors (Each circle determines a normal vector) are used as evidence of tampering. On the other hand, for the single circle case, we warp the circle to make metric measurement. To demonstrate the effectiveness of the approach, we present results for synthetic and visually plausible composite images. 展开更多
关键词 digital forensics two circles a single circle geometric constraints
原文传递
The Number of Circles of a Maximum State of a Plane Graph with Applications 被引量:1
18
作者 Xian-an JIN Jun GE +1 位作者 Xiao Sheng CHENG Yu-qing LIN 《Acta Mathematicae Applicatae Sinica》 SCIE CSCD 2021年第2期409-420,共12页
Motivated by the connection with the genus of the corresponding link and its application on DNA polyhedral links,in this paper,we introduce a parameter s_(max)(G),which is the maximum number of circles of states of th... Motivated by the connection with the genus of the corresponding link and its application on DNA polyhedral links,in this paper,we introduce a parameter s_(max)(G),which is the maximum number of circles of states of the link diagram D(G)corresponding to a plane(positive)graph G.We show that s_(max)(G)does not depend on the embedding of G and if G is a 4-edge-connected plane graph then s_(max)(G)is equal to the number of faces of G,which cover the results of S.Y.Liu and H.P.Zhang as special cases. 展开更多
关键词 plane graph number of circles special alternating link GENUS DNA polyhedral link
原文传递
在Reading Circles阅读活动中培养学生的自主阅读能力 被引量:7
19
作者 蒙学琼 《中小学外语教学(下半月)》 2011年第4期25-29,共5页
本文结合教学案例探讨了在Reading Circles阅读活动中开展问题讨论、摘录好词好句、编写小结、追寻关联、关注文化的教学实践,旨在探索培养小学生自主阅读能力的途径。
关键词 READING circles 自主阅读能力
原文传递
Now That’s Funny! Chinese Emoji Circles Globe
20
作者 汪艳兵 《教学考试》 2017年第12期77-78,共2页
近来,中国制造的表情符号——'滑稽'似乎已走出了中国的大门,从此,中国表情风靡全球。
关键词 表情符号 Chinese Emoji circles Globe Now That’s Funny
原文传递
上一页 1 2 40 下一页 到第
使用帮助 返回顶部