The compound Poisson risk model with dependence under a multi-layer dividend strategy

In this paper, a compound Poisson risk model with time-dependent claims is studiedunder a multi-layer dividend strategy. A piecewise integro-differential equation for the Gerber- Shiu function is derived and solved. Asymptotic formulas of the ruin probability are obtained when the claim size distributions are heavy-tailed.

Detecting Phishing Using a Multi-Layered Social Engineering Framework

As businesses develop and expand with a significant volume of data,data protection and privacy become increasingly important.Research has shown a tremendous increase in phishing activities during and after COVID-19.This research aimed to improve the existing approaches to detecting phishing activities on the internet.We designed a multi-layered phish detection algorithm to detect and prevent phishing applications on the internet using URLs.In the algorithm,we considered technical dimensions of phishing attack prevention and mitigation on the internet.In our approach,we merge,Phishtank,Blacklist,Blocklist,and Whitelist to form our framework.A web application system and browser extension were developed to implement the algorithm.The multi-layer phish detector evaluated ten thousandURLs gathered randomly from the internet(five thousand phishing and five thousand legitimate URLs).The system was estimated to detect levels of accuracy,true-positive and false-positive values.The system level accuracy was recorded to be 98.16%.Approximately 49.6%of the websites were detected as illegitimate,whilst 49.8%were seen as legitimate.

Effect of Phase Change Materials on the Thermal Protective Performance of the Multi-layered Fabrics Examined by TPP Tester under Flash Fire

Cotton fabrics treated with phase change materials( PCMs)were used in multi-layered fabrics of the fire fighter protective clothing to study its effect on thermal protection. The thermal protective performance( TPP) of the multi-layered fabrics was measured by a TPP tester under flash fire. Results showed that the utilization of the PCM fabrics improved the thermal protective performance of the multi-layered fabrics. The fabric with a PCM add on of 41. 9% increased the thermal protection by 50. 6% and reduced the time to reach a second degree burn by 8. 4 s compared with the reference fabrics( without PCMs). The employment of the PCM fabrics also reduced the blackened areas on the inner layers. The PCM fabrics with higher PCM melting temperature could bring higher thermal protective performance.

Ecological and Environmental Protection Requirements in China s Regional Coordinated Development Strategy in the New Era

Starting from the historical evolution of China s regional coordinated development policy and practice,three stages of"enlightenment stage","development stage"and"maturity stage",as well as the connotation,characteristics and content of implementing regional coordinated development strategy were analyzed.On this basis,from different aspects of industrial distribution,pollutant characteristics and regional environmental protection policy,the existing ecological and environmental protection problems in China s regional coordinated development in the new era were analyzed,and some suggestions for the next step were put forward.It is necessary to follow the"four ones"concept from the overall point of view,implement"three lines and one list"from the perspective of the width of the access red line,strengthen"joint prevention and control"from the perspective of the depth of regional regulation,deepen the"planning environmental impact assessment"from the perspective of the breadth of industrial distribution,and promote the"green-way model"from the perspective of ecological low carbon.

Problem identification and revitalization strategies for the recovery and reconstruction of traditional villages in the Ms 6.8 Luding Earthquake

Post-disaster reconstruction is a topic of global concern,and traditional villages have special heritage attributes and need to face more requirements and obstacles in post-disaster reconstruction.This paper summarizes four concepts based on the research on post-disaster reconstruction both domestically and internationally,as well as the recovery and reconstruction of cultural heritage.Through a field survey of traditional villages in the Ms 6.8 Luding earthquake-stricken area,it is found that there are problems such as insufficient awareness of heritage value,misalignment of scientific reconstruction technology,and insufficient protection of reconstruction elements during the reconstruction process.Traditional villages face the risk of declining or even loss of heritage value.In order to effectively protect traditional villages and inherit the carrier of regional culture,four targeted reconstruction response strategies are proposed,i.e.,to"establish special planning for traditional village preservation","emphasize recovery of the authenticity of village heritage","ensure elements for village heritage recovery"and"promote the activation and utilization of village heritage",based on the problems discovered during the survey and the four concepts summarized in the research on post-disaster reconstruction of traditional villages.The research results hope to provide useful reference for ancient cultural areas affected by earthquakes on how to protect cultural heritage during the post-disaster reconstruction process.

Applying systematic conservation planning to constitute a protection strategy for broad-leaved Korean pine forests in Changbai Mountains, China

The broad-leaved Korean pine(Pinus koraiensis) forest is one of the most biodiverse zonal communities in the North Temperate Zone and an important habitat for many endangered species.Broad-leaved Korean pine forests(BKPFs) are shrinking quickly due to deforestation and rapid urbanization. Thus, scientific protection strategies are urgently needed to change this status. Changbai Mountains contains one of the largest BKPFs and is considered a priority biodiversity conservation area in China. Guided by systematic conservation planning(SCP) methods and procedures, we chose representative species and communities in BKPFs ecosystem as priority conservation objects, and set quantitative conservation target, which is in the light of the biodiversity characteristic of BKPFs. The watershed area is used as planning unit. We used CPlan software to calculate the irreplaceability(Ir)value of each planning unit and the contribution value(Ti) of each conservation object to(1) assess the conservation efficiency;(2) identify the conservation gap of the existing conservation network. Then wecalculated a human disturbance index(HDI) for planning units in the conservation gaps and combine this with the Ir value to design three conservation scenarios to optimize the conservation network.Results show that planning units with high conservation value 14.16% of the total area, with3084.36 km2 were covered by the existing conservation network. 79.28% of planning units with high conservation value have not been protected which were concentrated mainly in the eight gap areas.Only 25.3% of protection objects achieved their conservation target with the existing conservation network. Conservation efficiency is low. Three conservation scenarios are constituted, each prioritizing a different aim:(1) ecological value;(2)species rescue; and(3) economical avoidance. The three conservation schemes potentially enable 93%,88% and 51% of conservation objects, respectively, to achieve identified conservation targets, thereby improving conservation efficiency significantly.

Protection and Development Strategies of Urban Ancient Cultural Remains and Its Surroundings——A Case Study of Mountain Haoli in Tai'an City

Urban historical and cultural heritage has been gradually formed in the long history, it is a witness of the city development history and a realistic carrier of the local civilization. However, protection of urban cultural heritage has been long neglected, with the rapid economic development and urbanization process, a lot of urban cultural heritage that bears important historical and cultural value had gone forever. Ancient cultural remains(ACRs) are an important type of urban cultural heritages, the renaissance of ACRs means the revival of the whole city, how to make ACRs in gradual decline state to be protected with proper planning and renewed vigor has great signifi cance to the urban development. Taking protection and development planning and design of ACRs in Mountain Haoli and its surroundings for example, this study put forward the objectives and principles of ACRs protection and development, extending and deepening the protection methods and renewal strategies, so as to achieve overall cultural, economic and spatial revival of urban ACRs, and sustainable development of ACRs.

Renewal Strategy of Old Campuses of Colleges and Universities Based on Heritage Protection: A case study of Qingshanhu Campus of Jiangxi Normal University

The Qingshanhu Campus of Jiangxi Normal University was taken as an example to study the existing problems of old campuses at present,and how to excavate the memory and remains of the campus on the basis of the preserved historic buildings was studied.The theory of urban renewal and cultural heritage protection was used to update and protect the campus.

ABSTRACTSR-esearch on vibration protection strategy of large rotating machinery at hydropower station

The vibration protection strategy of large rotating machinery in thermal power and petroleum industry hasbeen applied for many years, but it still develops without breakthrough in hydropower unit operation due to thecomplication of its operation and vibration. According to this situation, the vibration protection strategy is proposedbased on the analysis of unit vibration mechanism. The vibration protection strategywith two functions of timelyprotection and fault diagnosis are of great engineering application value.

Ecological Protection Design Strategy for Mountain Tourism Highway Slopes

Slope ecological protection technology is a form of slope protection with high ornamental and good economic value.At present,it is widely used in highways and urban streets’slope protection works.However,its use is not very common in mountain tourism highways;hence,it is necessary to implement strategies for mountain tourism highway slope ecological protection design to promote excellent development.

A novel predictive braking energy recovery strategy for electric vehicles considering motor thermal protection

Braking energy recovery(BER)aims to recover the vehicle's kinetic energy by coordinating the motor and mechanical braking torque to extend the driving range of the electric vehicle(EV).To achieve this goal,the motor/generator mode requires frequent switching and prolonged operation during driving.In this case,the motor temperature will unavoidably rise,potentially triggering motor thermal protection(MTP).Activating MTP increases the risk of motor component failure,and the EV typically disables the BER function.Thus,maximizing BER while reducing the risk of motor overheating is a challenging problem.To address this issue,this article proposes a predictive BER strategy with MTP using the non-smooth Pontryagin Minimum Principle(NSPMP)for EVs.Firstly,a Markov long short-term memory(MLSTM)model is designed to obtain future velocity information.Secondly,the BER problem with MTP in the studied EV is embedded in a model predictive control(MPC)framework.Then,under the MPC framework,the NSPMP strategy is proposed to resolve the problem of MTP.Finally,the performance of the proposed strategy is verified through simulation and a hardware-in-loop test.The results show that in two real-world driving cycles,compared to the rule-based strategy,the proposed strategy reduced power consumption by 1.24%and0.96%,respectively,and effectively limited motor temperature.Additionally,under global cycle conditions,this strategy demonstrated better MTP control performance compared to other benchmark strategies.

Intellectual Property Protection and High-quality Development of Cotton Industry in Xinjiang

This paper firstly introduces the general situation of cotton planting areas in China and cotton industry in Xinjiang,and the current situation of intellectual property protection of Xinjiang's cotton industry.Then,it analyzes the main problems in its intellectual property protection and high-quality development.On this basis,it comes up with the recommendations for high-quality development of cotton industry in Xinjiang under the strategy of strengthening the country with intellectual property.The recommendations include improving the level of creation of creative intellectual property rights,building an intellectual property rule system in the entire cotton industry chain in Xinjiang,building protected zones for production of major high quality agricultural product cotton,establishing a demonstration zone to undertake the transfer of the domestic cotton textile and garment industry,undertaking education on the sense of community for the Chinese nation in response to the Xinjiang cotton incident,and developing the"Belt and Road"blue market for Xinjiang cotton and its products.

An Analysis of the Legal System for the Protection of Marine Resources in China

In order to realize the orderly development and rational use of marine resources,construct a new marine economic development model,effectively adjust the relationship between marine resource protection and social production,and promote the legalization and institutionalization of marine resource protection.Based on the reality,this article attempts to explore the ways and means of improving and constructing the legal system for the protection of marine resources from multiple dimensions.It aims to form a complete marine resource development system from the legal level and provide legal guarantee for the development of marine economy.

Highly efficient removal of allyloxycarbonyl(Alloc)function provides a practical orthogonal protective strategy for carbohydrates

Highly efficient removal of allyloxycarbonyl （Alloc） group was achieved in the presence of CH3COONH4, Pd[P（C6H5）3]4, and NaBH4 in MeOH-THF, within 5 min in almost quantitative yields （〉90%, isolated yield） without affecting acetyl, benzoyl, isopropylidene, benzylidene, allyl, benzyl, benzyl carbonate, or azido groups.

Research on the Problems and Development Countermeasures of Traditional Village Protection in Shangri-la:A Case Study of Mulu Village in Gezan Town

Traditional village is the most basic social space for the inheritance of China’s traditional culture,and the social space for the sustenance of nostalgia culture.The traditional village covering valuable tangible culture and intangible culture is a non-renewable traditional cultural heritage.However,with the further development of China’s urbanization,traditional villages and the traditional culture carried by traditional villages are gradually disappearing,under the influence of modern production method and lifestyle.How to balance the development of traditional villages with social development and progress has become a problem demanding prompt solution.Taking Mulu Village in Shangri-la City as the example,this paper analyzes the problems existing in the current status of traditional village conservation,and proposes the corresponding development strategies.

Global forward-predicting dynamic routing for traffic concurrency space stereo multi-layer scale-free network

Many real communication networks, such as oceanic monitoring network and land environment observation network,can be described as space stereo multi-layer structure, and the traffic in these networks is concurrent. Understanding how traffic dynamics depend on these real communication networks and finding an effective routing strategy that can fit the circumstance of traffic concurrency and enhance the network performance are necessary. In this light, we propose a traffic model for space stereo multi-layer complex network and introduce two kinds of global forward-predicting dynamic routing strategies, global forward-predicting hybrid minimum queue（HMQ） routing strategy and global forward-predicting hybrid minimum degree and queue（HMDQ） routing strategy, for traffic concurrency space stereo multi-layer scale-free networks. By applying forward-predicting strategy, the proposed routing strategies achieve better performances in traffic concurrency space stereo multi-layer scale-free networks. Compared with the efficient routing strategy and global dynamic routing strategy, HMDQ and HMQ routing strategies can optimize the traffic distribution, alleviate the number of congested packets effectively and reach much higher network capacity.

On the Criminal Law Protection of the Marine Ecological Environment

With the continuous and rapid development of the country’s economy and society,it has greatly promoted the leap of the marine economy and brought more severe challenges and tests to the protection of marine ecological environment.How to effectively measure the criminal law protection of the marine ecological environment and take effective measures Measures to deepen the effects of marine ecological environmental protection have become one of the focus topics of widespread concern in the industry.Based on this,this article first introduces the protection of marine ecological interests in China’s criminal law,analyzes the necessity of adjusting the ecological environment in criminal law,and discusses the deficiencies in China’s marine legal system and combines relevant practical experience to improve the marine environment.Various angles and aspects,such as laws and regulations related to resource crimes,put forward the basic approach to strengthen the criminal law protection of the marine ecological environment,and hope to help the practice of related work.

Biological protection of plants in agricultular landscape—state of the art, problems and ways of their decision

Biological protection of plants: definition and objectives. Technologically, biological protection of plants (hereinafter bioprotection) is a high agricultural technology involving agricultural landscape approach and basee on an ecological imperative, namely “use living beings against living beings”. In a wide sense, present-day bioprotection is a fundamental and applied field of knowledge providing harmless suppression of harmful agents during cultivation and storage of agricultural crops by use natural and (or) artificially constructed organisms (including genetically modified ones having pesticidal properties) and products of their live cycle. The overall objective of bioprotection consists in producing harmless, profitable and high-quality vegetative raw material, food, fodder. At the same time, bioprotection agrotechnologies are important environment forming and environment maintaining factors, steady and positively influencing the health of both rural ethnos, and agrosphere as a whole. Realization of integrated bioprotection approaches should provide minimum destruction of beneficial and non-target organisms, excluding the succession of harmful species and appearance of species resistant to biocontrol agents. 2. Theoretical foundation of bioprotection. The following postulates and imperatives of biosphere science, agrarian and social ecology make the scientific basis of bioprotection: “The Nature knows the how and why of things better”; Steady, balanced development of agrosphere (proceeding from a presumption of life support) is based on biocentrism and biosystem relations, or consortism of its consorbents; Control of the agrosphere by human beings could be effective only in case of primary realization of biocenotic regulation; Biocenotic regulation, dynamics of the number and species diversity of agrosphere is realized through trophically similar cenoconsorcia and tritrophic systems, that provides maintenance and preservation of trophically proved critical level of harmful species; Biotic and man-caused effects on argosphere are regularly registered and the degree of these effects on non-target biota is comprehensively estimated, operative measures to prevent its elimination are taken, if necessary. Thus, artificial agrocenoses and agroecosystems are immanent components of the agrospehere. Functioning of their bioresources meets the same laws of the Nature, as the functioning of the biota of natural ground ecosystems. When agrocenoses and agroecosystems make a single whole with the elements of preserved natural ecosystems, reproduction of bioresources, their protection against expansion of competitive and cosmopolitan species are realized at a level of steadily functioning agrocenoconsorcia, where “living beings protect living beings”. 3. Bioprotection and agrosphere. Present-day bioprotection is based on agrolandscape approaches. The major global function of the agrolandscape involves utilization of maximum quantity of solar energy. Modern geosystemic definition of the agrolandscape emphasizes not only its production abilities, but also its social and design-aesthetic functions: “... is an existing geosystem anthropogenically modified for agricultural use and formed with the purpose of the most effective and ecologically safe use of natural and anthropogenic resources for manufacturing economically and socially reasonable quantity of agricultural production and creation of the welfare and spiritual environment for harmonious development of humans” (A.V. Zaharenko, 2004) . The paradox is, that current plant growing (initially based on the use of gratuitous, inexhaustible solar energy and renewed resources of agrosphere) has turned in the most resource uneconomic branch of economy by the beginning of XXI century. Therefore agricultural technologies, including protection of plants, should mostly use renewable, instead of exhaustible resources and not renewable sources of raw material and energy, materialized in agrochemicals, chemical pesticides, oil

Conservation and Renewal Strategies of Industrial Heritage Residential Areas from the Perspective of Heritage Protection : A Case Study of Residential Area of Wuchang Vehicle Factory

The residential area of Wuchang Vehicle Factory is taken as a case to explore the protection and renewal strategies of industrial heritage residential areas.By analyzing the current situation of the residential area,issues such as functional decline,memory loss,and weakened community vitality are revealed.Three design concepts are proposed:building renovation,historical space renovation,and the introduction of cultural and creative industries,aiming to improve the living environment,showcase historical value,cultivate cultural and creative industries,promote economic transformation,and community vitality.This paper could provide reference for the protection and renewal of similar industrial heritage residential areas,and new ideas for the research and utilization of industrial heritage.By comprehensively considering heritage protection,cultural inheritance,and community development,systematic suggestions are proposed.