关于土地承包经营权的几点思考

通过参与开展土地承包经营权权属登记颁证工作实践,对确权登记颁证工作进行了简单介绍,并对确权登记过程中容易出现的几类问题进行了说明,针对问题提出了解决办法,指出进行土地承包经营权确权登记工作,是维持农村土地承包关系稳定,维护农民财产权的重要举措,确权测量是该项工作的基础和核心内容。

农村地籍测绘中无人机倾斜摄影测量技术的应用

农村地籍测绘项目周期长、成本高,影响到了土地综合整治的成效。为解决此问题,文章提出了搭载5镜头相机的无人机倾斜摄影测量技术方案,并结合案例论述了该方案的实施要点,如勘查与资料收集、像控点布设与测量、运用瞰景Smart3D软件进行空中三角测量解算、应用Context Capture CenterD软件生产实景三维模型、应用EPS软件完成地籍图测绘等。研究结果表明,搭载5镜头相机的无人机倾斜摄影测量技术具有一定的应用可行性,可在农村地籍测绘工作中进行推广。

Quality Synthetic Evaluation of Urea Formaldehyde Foam Substrate in Turf Establishment

[Objective]The aim of this study was to explore the feasibility of three kinds of urea formaldehyde foam substrate in tall fescue establishment as well as to study on evaluation of turf quality.[Method]The visual estimates,ecological quality estimates and utility quality estimates were used as the 1st level indicators,and the density,color,texture,uniformity,green period,cover degree,biomass,emergence energy,growth rate and turf-forming time were used as the corresponding 2nd level indicators.With T.L.Satty＇s method Analytic Hierarchy Process（AHP） and the fuzzy synthesis evaluation method,the weight ratio of matrix was obtained and the synthetic evaluation result was accorded with facts,then it could be regarded as the satisfying value of weight.[Result]The quality of three covering soil treatments was better than that of uncovering treatment and conventional treatment,the quality synthetic evaluation of F1 was the best,which was about 0.770.[Conclusion]Urea formaldehyde foam substrate showed high quality for turf establishment,which could be further spread and applied.

NEW SHADOWED C-MEANS CLUSTERING WITH FEATURE WEIGHTS

Partition-based clustering with weighted feature is developed in the framework of shadowed sets. The objects in the core and boundary regions, generated by shadowed sets-based clustering, have different impact on the prototype of each cluster. By integrating feature weights, a formula for weight calculation is introduced to the clustering algorithm. The selection of weight exponent is crucial for good result and the weights are updated iteratively with each partition of clusters. The convergence of the weighted algorithms is given, and the feasible cluster validity indices of data mining application are utilized. Experimental results on both synthetic and real-life numerical data with different feature weights demonstrate that the weighted algorithm is better than the other unweighted algorithms.

A KNN-based two-step fuzzy clustering weighted algorithm for WLAN indoor positioning

Although k-nearest neighbors （KNN） is a popular fingerprint match algorithm for its simplicity and accuracy, because it is sensitive to the circumstances, a fuzzy c-means （FCM） clustering algorithm is applied to improve it. Thus, a KNN-based two-step FCM weighted （KTFW） algorithm for indoor positioning in wireless local area networks （WLAN） is presented in this paper. In KTFW algorithm, k reference points （RPs） chosen by KNN are clustered through FCM based on received signal strength （RSS） and location coordinates. The right clusters are chosen according to rules, so three sets of RPs are formed including the set of k RPs chosen by KNN and are given different weights. RPs supposed to have better contribution to positioning accuracy are given larger weights to improve the positioning accuracy. Simulation results indicate that KTFW generally outperforms KNN and its complexity is greatly reduced through providing initial clustering centers for FCM.

Weighting indicators of building energy efficiency assessment taking account of experts' priority

Analytic hierarchy process(Group AHP) is combined with two different methods of assigning experts' priority to weight indicators in building energy efficiency assessment.One is to assign the experts' priority averagely,and the other is to use cluster analysis to assign experts' priority.The results show that,1) Different expert's priority assigns result in great different weights of indicators in building energy efficiency assessment,therefore,the method of assigning experts' priority should be taken into account carefully while weighting indicators of building energy efficiency assessment using Group AHP;2) Three indicators are found to be overwhelmingly important in residential building energy efficiency assessment in the hot summer and cold winter zone in China.They are 'Outdoor & indoor shadow','Heating & air-conditioning facilities' and 'Insulation of envelope';3) The method combining cluster analysis with Group AHP to weight indicator of building energy efficiency assessment has the advantage of finding overwhelming important indicator,whereas,some less important indicators have a tendency to be ignored.A useful reference is provided for building energy conservation including policy revision and energy efficient residential building design.

A Framework for Selecting Indicators to Assess the Sustainable Development of the Natural Heritage Site

Sustainable world heritage management represents an approach for managing the resources of a property by integrating environmental, economic, and social issues. It aims to provide sustainable benefits for future generations, while protect the property and minimize the possible adverse social, economic and environmental impacts. Indicators of sustainable development, which summarize information for decision-making, are invaluable to learn the efficiency and effectiveness of property management. Scientists in many fields devised several conceptual models of environmental statistics and indicators, of which, DPSIR (Driving forces – Pressure – State – Impact – Response) is thought to be the best available one in identifying and developing indicators of sustainable development. Based on the DPSIR conceptual model and indicator selection criteria, the present paper proposed a methodology framework for selecting indicators to assess the sustainable development of a natural heritage site. The proposed framework included a multi-level hierarchical structure for various indicators and indexes, a modified DPSIR frame to identify key issues in property management and a set of indicators for evaluating the sustainability in Sichuan Giant Panda Sanctuaries.

Generalized Derivations in Prime Rings

Let R be a ring, a ,b ∈ R, ( D , α ) and (G , β ) be two generalized derivations of R . It is proved that if aD ( x ) = G ( x )b for all x ∈ R, then one of the following possibilities holds: (i) If either a or b is contained in C , then α = β= 0 and there exist p , q ∈ Qr ( RC) such that D ( x )= px and G ( x )= qx for all x ∈ R;(ii) If both a and b are contained in C , then either a = b= 0 or D and G are C-linearly dependent;(iii) If neither a nor b is contained in C , then there exist p , q ∈ Qr ( RC) and w ∈ Qr ( R) such that α ( x ) = [ q ,x] and β ( x ) = [ x ,p] for all x ∈ R, whence D ( x )= wx-xq and G ( x )= xp + avx with v ∈ C and aw-pb= 0.

Innovation and Firm Performance： Evidence From the Capital Market

This paper examines the role of innovation in firm performance by drawing empirical evidence from the capital market. The current study analyzes risk premiums and risk-adjusted excess returns of a portfolio of the most innovative firms in the US from 2006 to 2010. The results show that average risk premiums of an equal-weighted portfolio of the most innovative finns in the US are economically larger than the CRSP2 value-weighted index risk premiums four years in a row from 2006 to 2009 and are economically greater than the standard and poor （S＆P） 500 index risk premiums from 2006 to 2010. The portfolio exhibits average statistically significant and positive risk-adjusted excess returns for the 3-year and 5-year holding period intervals. The findings serve as evidence of the favorable role of innovation in firm performance.

Importance of Weighting for Multi-Variable Habitat Suitability Index Model: A Case Study of Winter- Spring Cohort of Ommastrephes bartramii in the Northwestern Pacific Ocean

Weighting values for different habitat variables used in multi-factor habitat suitability index (HSI) modeling reflect the relative influences of different variables on distribution of fish species. Using the winter-spring cohort of neon flying squid (Ommastrephes bartramii) in the Northwestern Pacific Ocean as an example, we evaluated the impact of different weighting schemes on the HSI models based on sea surface temperature, gradient of sea surface temperature and sea surface height. We compared differences in predicted fishing effort and HSI values resulting from different weighting. The weighting for different habitat variables could greatly influence HSI modeling and should be carefully done based on their relative importance in influencing the resource spatial distribution. Weighting in a multi-factor HSI model should be further studied and optimization methods should be developed to improve forecasting squid spatial distributions.

Effects of material properties on power spinning process of parts with transverse inner rib

Material properties of blank have a great effect on power spinning process of aluminum alloy parts with transverse inner rib.By using finite element(FE) and Taguchi method,the effects and significance of five key material parameters,namely,anisotropic index in thickness direction,yield strength,hardening exponent,strengthening factor and elastic modulus on the formability of inner rib,tendency of wall fracture and degree of inhomogeneous deformation of finished spun parts were obtained.The achievements provide an important guide for selecting reasonable spinning material,and are very significant for the optimum design and precision control of power spinning process of parts with transverse inner rib.

无人机倾斜摄影在农村地籍测绘中的应用研究

传统测绘方式效率低,劳动强度大,确权入户难,村民配合度不高,本文提出采用倾斜摄影的方式进行地籍测绘,并基于三维模型成果进行指界确权。以实际项目为例,对本文生产的地籍成果从界址点和边长两方面进行了精度检测,其成果精度均满足地籍二级精度要求,且确权是通过三维模型完成,为农村地籍测绘项目的高效顺利开展带来借鉴。

The Effect of Word of Mouth in Customer Equity and Brand Equity

In this paper the author examines the extent to which word of mouth （WOM） impact on customer equity and brand equity, two of the most popular metrics of marketing productivity. WOM is the most ancient and effective communication tool because its low cost affects the efficiency in the allocation of marketing resources. After an extensive literature review, the author proposes several propositions to be tested in the future concerning how WOM might affect each element of brand equity and customer equity.

Studies on the Weight Algorithm on Seafarers＇ Competence Assessment Index

The purpose for seafarers＇ competence assessment is to evaluate the practical operational ability of the applicants and the weight of the index directly influences the accuracy of the assessment results. This paper takes the assessment of route making as an example, makes use of the analytic hierarchy process in determining the weight of the indexes to provide theoretical reference for the perfection of seafarers＇ competence assessment.

Hepatothorax due to a right diaphragmatic rupture related to duodenal ulcer perforation

Here, we present the case of a 53-year-old man with a hepatothorax due to a right diaphragmatic rupture related to duodenal ulcer perforation. On admission, the patient complained of severe acute abdominal pain, with physical examination findings suspicious for a perforated peptic ulcer. Of note, the patient had no history of other medical conditions or recent trauma, and the initial chest radiography and laboratory findings were not specific. A subsequent abdominal computed tomography revealed intrathoracic displacement of the liver, gallbladder, transverse colon and omentum through a right diaphragmatic defect. The patient then underwent an explorative laparotomy that confirmed duodenal ulcer perforation. A primary repair of the duodenal perforation was performed, and the diaphrag-matic defect was repaired using a polytetrafluoroeth-ylene patch after the organs were reduced and the cavity irrigated. This particular case proves interesting as right-sided spontaneous diaphragmatic ruptures are very rare and difficult to diagnose. Additionally, the best treatment for such large diaphragmatic defects is still controversial, especially in cases of intrathoracic or intra-abdominal contamination.

DCT based multipurpose watermarking technique for image copyright notification and protection

A multipurpose image watermarking technique based on DCT is proposed to notify and protect the copyright of digital products. In order to achieve this objective, the DCT coefficients of each image block are divided into two parts for embedding the visible and invisible watermarks. The visible watermark is embedded in each DC DCT coefficient and most of the AC DCT coefficients of every block, and the invisible watermark in the rest. Based on the characteristics of Human Visual System (HVS), the embedding strength of the visible watermark is varied in accordance with the underlying content of the host image. The invisible watermark is embedded in a quaternity of midrange frequencies. Experimental results show that the visible watermark is hard to remove and the invisible watermark is robust to common digital signal processing operations.

An improved multiplicative exponent weighting vertical handoff algorithm for WLAN/WCDMA heterogeneous wireless networks

An improved MEW （ muhiplicative exponent weighting） algorithm, SLE-MEW is proposed for vertical handoff decision in heterogeneous wireless networks. It introduces the SINR（ signal to interference plus noise ratio） effects, LS （least square） and information entropy method into the algorithm. An attribute matrix is constructed considering the SINR in the source network and the equivalent SINR in the target network, the required bandwidth, the traffic cost and the available bandwidth of participating access networks. Handoff decision meeting multi-attribute QoS（quality of serv- ice） requirement is made according to the traffic features. The subjective weight relation of decision elements is determined with LS method. The information entropy method is employed to derive the objective weights of the evaluation criteria, and lead to the comprehensive weight. Finally decision is made using MEW algorithm based on the attribute matrix and weight vector. Four 3GPP（ the 3rd generation partnership project） defined traffic classes are considered in performance evaluation. The simulation results have shown that the proposed algorithm can provide satisfactory performance fitting to the characteristics of the traffic.

The exploration of middle managers＇ performance evaluation indicators

The core role of middle managers in the enterprises, plays an important role in the whole enterprise. Yet all round the teacher talked about a lot of companies, including layer of managers＇ performance status is not as good as executives expected. This paper mainly studies the present enterprise, the real role of middle managers, and their performance status, and middle managers in the performance of the existing problems and the analysis of the present situation of the listed in the reason, and put forward relevant countermeasures according to the actual situation. The results show that the middle managers performance evaluation become a mere formality, most managers see performance appraisal as a burden and form; Middle managers set of assessment index and the use of problems; The right job analysis is the key to design middle managers performance evaluation indicators; In the proper selection of performance indicators is significant for middle managers to improve performance; Performance indicators weights allocation to improve the teaching quality of middle managers performance influence; Design middle tube is the main body of performance appraisal index of middle performance increase.

自由融资权与刑罚权的冲突及解决

近年来,我国非法集资案频发。一方面,执法机关不断强化打击,如最高人民检察院在其2011年工作报告中就表示,将继续加大打击非法集资的力度。另一方面,在中小企业和农民融资困难的背景下,类似孙大午非法吸收公众存款罪的案件受到律师、学者和媒体的质疑。自由融资权与刑罚权有无冲突?如有冲突,该如何解决?本文试图就以上问题作出回答。

Application of fuzzy optimization model in the evaluationof urban flood-waterloggedvulnerabilitybased on the synthetic weight ofgame theory

The evaluation of urban flood-waterlogged vulnerability is very important to the safety of urban flood control. In this paper, the evaluation of consolidated index is used. Respectively, AHP and entropy method calculate the subjective and objective weight of the evaluation indicators, and combine them by game theory. So we can obtain synthetic weight based on objective and subjective weights. The evaluation of urban flood-waterlogged vulnerability as target layer, a single variable multi-objective fuzzy optimization model is established. We use the model to evaluate flood-waterlogged vulnerability of 13 prefecture-level city in Hunan, and compare it with other evaluation method. The results show that the evaluation method has certain adaptability and reliability, and it＇ s helpfid to the construction planning of urban flood control.