期刊文献+
共找到766篇文章
< 1 2 39 >
每页显示 20 50 100
Research on the Formation Mechanism for the Co-agglomeration of Producer Services and Manufacturing in the Guangdong- Hong Kong-Macao Greater Bay Area
1
作者 Jiao Ping Huang Feibin Li Susu 《Contemporary Social Sciences》 2023年第5期24-43,共20页
The Guangdong-Hong Kong-Macao Greater Bay Area is witnessing a surge in economic development,showcasing robust resilience in the co-agglomeration of producer services and manufacturing industries,along with the increa... The Guangdong-Hong Kong-Macao Greater Bay Area is witnessing a surge in economic development,showcasing robust resilience in the co-agglomeration of producer services and manufacturing industries,along with the increasingly evident impact generated by such co-agglomeration.Based on the panel data collected from ten cities in the Guangdong-Hong Kong-Macao Greater Bay Area(excluding Zhaoqing)spanning from 2010 to 2020,we examined the formation mechanism for industrial co-agglomeration in the area from three dimensions:industrial correlation,spatial correlation,and policy guidance.Our analysis was based on a vertical correlation model and was validated using the seemingly unrelated regressions(SUR)method.The findings are as follows:(a)There currently exists no spatial correlation between the producer services and manufacturing sectors in the area,and the correlation between the two remains limited to the former providing specialized services to the latter.(b)Policy guidance has a positive impact on the location selection of industries within the area.By implementing a comprehensive range of favorable policies,local governments can provide effective and scientifically guided recommendations regarding the location of producer services and manufacturing sectors.Therefore,it is crucial to foster the collaboration between producer services and manufacturing sectors and further enhance the co-agglomeration between the two sectors.In addition,the government authorities should also strive to enhance its economic governance capacity,thereby facilitating the formation of such co-agglomeration. 展开更多
关键词 Guangdong-Hong Kong-Macao Greater Bay Area producer services MANUFACTURING co-agglomeration policy guidance
下载PDF
Problems of Training Konni Producers in the Context of Reforming the Management of Hydroagricultural Developments: Challenges, Issues and Perspectives
2
作者 Saidou Abdoulkarimou Illou Mahamadou 《Journal of Water Resource and Protection》 CAS 2023年第5期229-245,共17页
Following the reform of the governance of irrigation schemes in Niger, producer cooperatives are encountering real difficulties in ensuring effective and efficient management of irrigation water, infrastructure mainte... Following the reform of the governance of irrigation schemes in Niger, producer cooperatives are encountering real difficulties in ensuring effective and efficient management of irrigation water, infrastructure maintenance and renewal of hydromechanical equipment. The objective of this research is to analyze the issues and challenges of capacity building for Konni producers in the context of AHA management reform in Niger. The methodological approach adopted is based on documentary research and field surveys with all the actors directly concerned with the management of the Konni irrigated perimeter. A total of 448 people were interviewed in all the localities selected. Direct observation and interview are the two field data collection techniques adopted. The data collected was processed and on the basis of the established diagnosis, the training needs were identified. The results show that there are several experiences in terms of training and capacity building of actors in charge of the management of irrigation systems at the Konni AHA level. However, the sustainability of the perimeter is threatened by various crises. The main themes that founded the first training were related to the mobilization, transport and distribution of irrigation water, operation and maintenance, and setting and collection of the fee. In view of the expectations of operators, future issues and challenges, the training modules are increasingly oriented towards social management, the integration of gender in management and environmental impacts. Even if technical progress is possible, the real lever is organizational and requires the professionalization of irrigators. This process requires a new pedagogical approach aimed at irrigators. 展开更多
关键词 Konni (Niger) Irrigation Schemes TRAINING MANAGEMENT producerS
下载PDF
Microsoft Producer自定义演示模板的编辑 被引量:1
3
作者 曹传新 陈昕 施培俊 《计算机系统应用》 北大核心 2003年第7期75-77,共3页
本文介绍了Microsoft Producer中演示模板的自定义方法,以及最终浏览相关界面及显示内容的编辑。
关键词 POWERPOINT MICROSOFT producer 自定义演示模板 幻灯片
下载PDF
基于Microsoft Producer和Windows Media技术制作和发布流媒体网络课件 被引量:6
4
作者 毕野 《计算机系统应用》 2006年第2期29-33,共5页
详细介绍了使用Microsoft Producer制作和发布基于Windows Media技术的流媒体网络课件的方法和步骤, 较好地解决了流媒体网络课件应用中的关键问题。
关键词 流媒体 网络课件 多媒体同步 MICROSOFT producer Windows MEDIA
下载PDF
基于Producer多媒体电子课件制作 被引量:1
5
作者 叶伦强 《西南民族大学学报(自然科学版)》 CAS 2013年第1期139-144,共6页
传统课件制作流程繁琐,对硬件设备与人员要求较高,不便普及与推广.基于Producer多媒体电子课件制作是一种简单、实用、便于示范推广的课件制作方法,既然可以满足教师的日常课件制作需求,又可以满足专业人员的制作高级别多媒体电子课件... 传统课件制作流程繁琐,对硬件设备与人员要求较高,不便普及与推广.基于Producer多媒体电子课件制作是一种简单、实用、便于示范推广的课件制作方法,既然可以满足教师的日常课件制作需求,又可以满足专业人员的制作高级别多媒体电子课件的要求,为多媒体课件制作开辟了一条新思路.描述了基于Producer多媒体电子课件制作的成功案例、实现方案、工作界面、制作流程、关键技术与实现. 展开更多
关键词 producer 电子课件制作 CSS 同步
下载PDF
用Microsoft Producer制作网络课程 被引量:2
6
作者 衣学勇 李文杰 《中国现代教育装备》 2006年第11期64-66,共3页
Microsoft Producer for Power Point 2003是为Power Point 2003免费附加的组件,它是到目前为止最经济、最简单的、最易学的精品课程、网络课程制作软件。本文较为详细地介绍了用向导添加素材、选择模版、音视频与幻灯片同步、发布的过程。
关键词 MICROSOFT producer POWERPOINT 网络课程
下载PDF
基于Podcast Producer的讲座资源支撑平台的设计与实现——以北京大学讲座网为例
7
作者 汤跃明 孙中楠 张亦工 《现代教育技术》 CSSCI 2010年第4期103-107,共5页
从工作流程、网络架构、功能模块和关键技术等几个方面介绍了基于Podcast Producer开发的北京大学讲座网,并探索一个可实现信息发布、讲座录制任务分配、录制进度监控和自动转码处理与讲座视频发布等功能的高度自动化的通用讲座资源支... 从工作流程、网络架构、功能模块和关键技术等几个方面介绍了基于Podcast Producer开发的北京大学讲座网,并探索一个可实现信息发布、讲座录制任务分配、录制进度监控和自动转码处理与讲座视频发布等功能的高度自动化的通用讲座资源支撑平台。 展开更多
关键词 PODCAST producer ISCSI 自动转码 讲座网
下载PDF
基于Microsoft Producer的网络远程教学平台设计
8
作者 徐宁 樊郁徽 《淮南师范学院学报》 2007年第3期121-123,共3页
通过对Microsoft Producer软件在多媒体同步技术上的应用,分析了现在网络远程教学中存在的问题,提出了在网络远程教育领域教师视频教学信息与电子教案等多媒体信息同步播放的解决方案,并设计出了基于Microsoft Producer技术的网络远程... 通过对Microsoft Producer软件在多媒体同步技术上的应用,分析了现在网络远程教学中存在的问题,提出了在网络远程教育领域教师视频教学信息与电子教案等多媒体信息同步播放的解决方案,并设计出了基于Microsoft Producer技术的网络远程教学平台模型。 展开更多
关键词 MICROSOFT producer 流媒体 远程教育
下载PDF
用Producer打造在线课堂
9
作者 汪纪苗 《化学教育》 CAS 北大核心 2009年第3期56-57,共2页
传统课堂教学受到时空的限制,学生难于实现真正的自主学习。通过producer打造在线课堂,让课堂教学具有重复性、选择性、自主性,教学方法和教学内容与受教育者的个体差异相适应,真正实现“因材施教”,体现了自主学习的特点。
关键词 producer 在线课堂 数字化学习
下载PDF
用MS Producer制作多媒体课件
10
作者 张友文 《信息技术教育》 2004年第8期83-84,共2页
关键词 MS producer 多媒体课件 POWERPOINT 插件程序 音频格式 幻灯片
下载PDF
Conversion of producer gas using NiO/SBA-15 obtained with different synthesis methods 被引量:2
11
作者 Baowang Lu Yiwen Ju Katsuya Kawamoto 《International Journal of Coal Science & Technology》 EI CAS 2014年第3期315-320,共6页
In this study,NiO/SBA-15 was prepared by both direct and post synthesis methods.TEM images revealed that NiO particles aggregated in NiO/SBA-15 obtained with post synthesis method,regardless of NiO loading.However,NiO... In this study,NiO/SBA-15 was prepared by both direct and post synthesis methods.TEM images revealed that NiO particles aggregated in NiO/SBA-15 obtained with post synthesis method,regardless of NiO loading.However,NiO particles were monodispersed in NiO/SBA-15 with a NiO loading of less than 15 wt%by using the direct synthesis method.In this case,NiO particles aggregated when NiO loading was over 20 wt%.TPR analysis verified that with direct synthesis method the location boundary of NiO particles on outer and pore surface could be observed clearly,whereas that could not observed in the case of post synthesis method.This indicates that the type of synthesis method displays significant effect on the location of NiO particles dispersed into the SBA-15.Producer gas conversion was carried out using NiO/SBA-15 as catalysts,which were synthesized with different synthesis methods.The gas conversion including methanation occurred at low temperature(i.e.,300-400℃)and the reverse water gas shift(RWGS)reaction at hightemperature(i.e.,400-900℃).High temperatures facilitated CO conversion to CO with CO selectivity close to 100%,regardless of the synthesis method of the used catalyst.At low temperatures the dispersion type of NiO particles affectedthe CO,conversion reaction,i.e.,monodispersed Ni0 particles gave a CO selectivity of close to 100%,similar to thatobtained at high temperature.The aggregated NiO particles resuled in a CO selectivity of less than 100%owing to CH,formation,regardless of synthesis method of catalyst.Therefore,NiO/SBA-15 obtained with direct synthesis methodfavored RWGS reaction because of high CO selectivity.NiOSBA-15 obtained with post synthesis method is suited formethanation because of high CH selectivity,and the conversion of CO,to CHa through methanation increased withincreasing NiO loading. 展开更多
关键词 NICKEL Mesoporous silica-Synthesis method producer gas METHANATION Reverse water gas shit(RWGS)reaction
下载PDF
Evolutionary game analysis between the government and the waste producer in the venous industry 被引量:2
12
作者 聂永有 单晓雯 +1 位作者 白洮 张靖如 《Journal of Shanghai University(English Edition)》 CAS 2010年第2期116-121,共6页
The relationship between the government and the waste producer is always a representative and realistic issue,especially concerning the venous industry.This article is based on the true relationship between the govern... The relationship between the government and the waste producer is always a representative and realistic issue,especially concerning the venous industry.This article is based on the true relationship between the government and the waste producer,uses the methods from the evolutionary game theory,and analyzes the relationship between the government and the waste producer in detail. 展开更多
关键词 venous industry GOVERNMENT waste producer evolutionary game
下载PDF
Forecasting Model Based on Information-Granulated GA-SVR and ARIMA for Producer Price Index 被引量:1
13
作者 Xiangyan Tang Liang Wang +2 位作者 Jieren Cheng Jing Chen Victor S.Sheng 《Computers, Materials & Continua》 SCIE EI 2019年第2期463-491,共29页
The accuracy of predicting the Producer Price Index(PPI)plays an indispensable role in government economic work.However,it is difficult to forecast the PPI.In our research,we first propose an unprecedented hybrid mode... The accuracy of predicting the Producer Price Index(PPI)plays an indispensable role in government economic work.However,it is difficult to forecast the PPI.In our research,we first propose an unprecedented hybrid model based on fuzzy information granulation that integrates the GA-SVR and ARIMA(Autoregressive Integrated Moving Average Model)models.The fuzzy-information-granulation-based GA-SVR-ARIMA hybrid model is intended to deal with the problem of imprecision in PPI estimation.The proposed model adopts the fuzzy information-granulation algorithm to pre-classification-process monthly training samples of the PPI,and produced three different sequences of fuzzy information granules,whose Support Vector Regression(SVR)machine forecast models were separately established for their Genetic Algorithm(GA)optimization parameters.Finally,the residual errors of the GA-SVR model were rectified through ARIMA modeling,and the PPI estimate was reached.Research shows that the PPI value predicted by this hybrid model is more accurate than that predicted by other models,including ARIMA,GRNN,and GA-SVR,following several comparative experiments.Research also indicates the precision and validation of the PPI prediction of the hybrid model and demonstrates that the model has consistent ability to leverage the forecasting advantage of GA-SVR in non-linear space and of ARIMA in linear space. 展开更多
关键词 Data analysis producer price index fuzzy information granulation ARIMA model support vector model.
下载PDF
SWOT Analysis of Agricultural Producers in the Supply Chain of Chinese Agro-products 被引量:1
14
作者 CHEN Yuan-yi,ZHENG Gang,GUO Juan,GUO Xin,YAO Shi-bin School of Management,Xihua University,Chengdu 610039,China 《Asian Agricultural Research》 2011年第5期103-106,共4页
On the basis of defining the producers in the supply chain of agricultural products,the SWOT analysis is adopted to analyze the advantages,disadvantages,opportunities and threats of producers in the supply chain of Ch... On the basis of defining the producers in the supply chain of agricultural products,the SWOT analysis is adopted to analyze the advantages,disadvantages,opportunities and threats of producers in the supply chain of Chinese agricultural products.The paper analyzes the advantages of producers in the supply chain of agricultural products from three aspects including land resources,technology level of producers and input costs.The disadvantages of producers in the supply chain of agricultural products are analyzed from three aspects including scale level,mechanization and technology level and profit level.The opportunities of producers in the supply chain of agricultural products are analyzed from the aspects of laws,policies,capitals and technologies.The threats confronted by the producers in the supply chain of agricultural products are analyzed from foreign producers,negotiation control of supply chain of agricultural chain,environment protection and quality safety standard.On the basis of the analysis,the relevant suggestions on facilitating the interests of producers in the supply chain of Chinese agricultural products are put forward,including fully displaying the advantages of land resources;improving the knowledge and technology level of supply chain of agricultural production;establishing the alliances of producers of agricultural products to expand production scale;improving the quality of agricultural products to satisfy the relevant safety quality standard and environmental protection standard. 展开更多
关键词 Supply CHAIN of AGRICULTURAL PRODUCTS producerS SW
下载PDF
Investigation and Mitigation of Transformer Inrush Current during Black Start of an Independent Power Producer Plant
15
作者 Salman Kahrobaee Marcelo C. Algrain Sohrab Asgarpoor 《Energy and Power Engineering》 2013年第1期1-7,共7页
The energizing of large power transformers has long been considered a critical event in the operation of an electric power system. When a transformer is energized by the utility, a typical inrush current could be as h... The energizing of large power transformers has long been considered a critical event in the operation of an electric power system. When a transformer is energized by the utility, a typical inrush current could be as high as ten times its rated current. This could cause many problems from mechanical stress on transformer windings to harmonics injection, and system protection malfunction. There have been numerous researches focusing on calculation and mitigation of the transformer inrush current. With the development of smart grid, distributed generation from independent power producers (IPPs) is growing rapidly. This paper investigates the inrush current due to black start of an IPP system with several parallel transformers, through a simulation model in DIgSILENT Power Factory software. The study demonstrates that a single genset is capable of energizing a group of transformers since the overall inrush current is slightly above the inrush of the transformer directly connected to the generator. In addition, a simple method is proposed to mitigate the inrush current of the transformers using an auxiliary transformer. 展开更多
关键词 BLACK START Distributed Generation Inrush Current MITIGATION INDEPENDENT Power producer TRANSFORMER Energizing
下载PDF
Research on the Grain Producers around the Year of Chinese Population Peak
16
作者 Shouhe CHEN Xiufeng LI 《Asian Agricultural Research》 2014年第12期14-17,共4页
The issue of "who will grow grain in the future in China" attracts more and more attention. We estimate the structure of China's grain producers at present,and summarize the phenomena and reasons why pe... The issue of "who will grow grain in the future in China" attracts more and more attention. We estimate the structure of China's grain producers at present,and summarize the phenomena and reasons why peasants would not like to grow grain. We analyze the agricultural population at the time of China's total population peak around 2033,and we predict there will be a multi-producer structure of grain growing.The household contracts will be as the basis of grain operations then,and the quantity of small-scale households will decrease but still be huge.The degree of organization of rural households will increase and the role of cooperatives will be strengthened remarkably. We propose the " quality" requirements to ensure the grain production,and note different special groups will be the new forces on farming and grain growing. 展开更多
关键词 GRAIN production GRAIN producer The YEAR of 2033
下载PDF
Producer192实卡试用及电路设计评析
17
《科技资讯》 2005年第33期118-,共1页
期待已久的 ICON Producer 192的样卡终于拿到手,传闻这款声卡的动态超猛、提供平衡的模拟4进/4出,而且价位非常低,老早就想试试了。实际出厂的 Producer 192和原先宣传图片上的基本一致,只是数字接口既提供光纤输入/输出接口也提供同... 期待已久的 ICON Producer 192的样卡终于拿到手,传闻这款声卡的动态超猛、提供平衡的模拟4进/4出,而且价位非常低,老早就想试试了。实际出厂的 Producer 192和原先宣传图片上的基本一致,只是数字接口既提供光纤输入/输出接口也提供同轴输入/输出接口(同轴输入/输出接口在另外一张子卡上)。Producer 192有两个版本,一个是Producer 192。 展开更多
关键词 音频卡 动态范围 音质 声性质 producer192 输入/输出接口 声卡 CODEC 电路设计
下载PDF
Effect of the Technological Status of Small Cow-Calf Farm Producers on the Induction to Resumption of Ovarian Activity of Dual-Purpose Cattle Raised under Topical Conditions
18
作者 Henry Velázquez Penagos Leticia Galindo Rodríguez +3 位作者 Manuel Barrientos Morales Carlos Salvador Galina Hidalgo Martín Guillermo Maquivar Linfoot Felipe Montiel Palacios 《Open Journal of Veterinary Medicine》 2020年第11期195-205,共11页
The aim of the present study was to evaluate the impact of the technological level in small-scale dual-purpose cow-calf <em>Bos indicus</em> female operations on the resumption of the ovarian activity post... The aim of the present study was to evaluate the impact of the technological level in small-scale dual-purpose cow-calf <em>Bos indicus</em> female operations on the resumption of the ovarian activity post-partum. A total of 13 small scale dual-purpose <em>Bos indicus</em> × <em>Bos taurus</em> operations were included in this experiment and they were classified according to their technological status as: high technological status (HT), medium technological status (MT) and low technological status (LT). Ninety-three mature cows were treated with either a CIDR (controlled internal drug release device) with estradiol benzoate (CIDR+EB) or alone (CIDR). At day 9 all animals received intravaginally a CIDR for nine days. At day 0, the CIDR was withdrawn and 24 hours later one dose of estradiol benzoate was administered to 51 cows (17 in HT, 17 in MT and 17 in LT), the remaining animals (n = 42) did not receive the estradiol benzoate administration (14 in HT, 13 in MT and 15 in LT). Comparisons were performed on serum progesterone concentrations after CIDR treatment. By day 7 after implant withdrawal, the proportion of cows that resume ovarian activity detected by progesterone concentration increased in all technological level farms, no statistical main effect was observed within technological level. By day 17 there was a significant main effect of technological level (P = 0.05) on the proportion of animal that resumed the estrous cycles, but neither a main effect of treatment (P = 0.97) nor an interaction between technological level and treatment (P = 0.98). Furthermore, technological level of the farm showed a tendency (P = 0.07) to affect that resume the estrous activity, and a significant effect of treatment was observed (P = 0.005) but no interaction between technological level and treatment. The proportion of cows that showed estrus was different across technological level (P = 0.02), the highest proportion of cows showing estrus regardless of treatment was in the HT: 90% (40% CIDR and 50% CIDR+EB), MT: 50% (13.3% CIDR and 36.7% CIDR+EB) and in the LT: 50% (18.8% CIDR and 31.3% CIDR+EB). In conclusion, the combination of a progestogen and estradiol benzoate resulted in a high proportion of cows that were induced to resume the ovarian activity and this treatment was particularly beneficial in the medium and low technological status of the farms. 展开更多
关键词 CATTLE OVULATION Technological Level Small Cow-Calf Farm producers
下载PDF
Xinjiang to Become China's Largest Natural Gas Producer
19
《Journal of Natural Gas Chemistry》 CAS CSCD 2004年第4期250-250,共1页
With the opening of the Kela No. 2 gas field in the Tarim basin in China’s northwest Xinjiang Uygur Autonomous Region on Dec. 1, Xinjiang will produce 10 billion cubic meters of natural gas next year, becoming the co... With the opening of the Kela No. 2 gas field in the Tarim basin in China’s northwest Xinjiang Uygur Autonomous Region on Dec. 1, Xinjiang will produce 10 billion cubic meters of natural gas next year, becoming the country’s largest gas producer, according to an official with the China National Petroleum Corporation. 展开更多
关键词 Xinjiang to Become China’s Largest Natural Gas producer
下载PDF
Forging Ahead Toward a Powerful Stone Producer in the World
20
作者 Zhong Wen 《China's Foreign Trade》 1997年第7期14-15,共2页
The reform and opening has given impetus to the rapid development of China’s stone industry, laying the foundations for its development to a higher level, and for the realization of the development target of a powerf... The reform and opening has given impetus to the rapid development of China’s stone industry, laying the foundations for its development to a higher level, and for the realization of the development target of a powerful stone producer in the world by the year 2010. Its major features are as follows: 1. Production of major products in China’s stone industry has witnessed significant growth, leaping to second place in the world and ranking among the world’s major stone producers. In 1995, total production of the national granite slabs, marble slabs, terazzos 展开更多
关键词 Pr Forging Ahead Toward a Powerful Stone producer in the World
下载PDF
上一页 1 2 39 下一页 到第
使用帮助 返回顶部