气象观测场在汽车试验场中的应用研究

汽车试验场作为汽车开展道路测试的重要场所,用于验证汽车产品的品质以及可靠性。除了场地道路外,气象条件作为汽车道路测试的重要一环,在《GB/T12534-1990汽车道路试验方法通则》中也有明确要求,如:试验时应是无雨无雾天气,相对湿度小于95%,气温0-40℃,风速不大于3m/s。同时气象条件也作为试验场道路管控的重要依据,实时风速、雨量、能见度等信息为场地管理者发布限速、限行、封场等通知提供必要参考依据,直接影响道路测试安全管控的及时性。因此,文章从气象观测场的建设、气象服务、异常天气道路管控等方面开展气象观测场在汽车试验场中的应用研究。

Cyberattack Ramifications, The Hidden Cost of a Security Breach

In this in-depth exploration, I delve into the complex implications and costs of cybersecurity breaches. Venturing beyond just the immediate repercussions, the research unearths both the overt and concealed long-term consequences that businesses encounter. This study integrates findings from various research, including quantitative reports, drawing upon real-world incidents faced by both small and large enterprises. This investigation emphasizes the profound intangible costs, such as trade name devaluation and potential damage to brand reputation, which can persist long after the breach. By collating insights from industry experts and a myriad of research, the study provides a comprehensive perspective on the profound, multi-dimensional impacts of cybersecurity incidents. The overarching aim is to underscore the often-underestimated scope and depth of these breaches, emphasizing the entire timeline post-incident and the urgent need for fortified preventative and reactive measures in the digital domain.

Design and Implementation of End to End Encrypted Short Message Service (SMS) Using Hybrid Cipher Algorithm

The study on design and implementation of end to end encrypted Short Message Service (SMS) using hybrid cipher algorithm is motivated by high rate of insecurity of data observed during Short Message Service (SMS) on Mobile devices. SMS messages are one of the popular ways of communication. The aim therefore is to design a software for end to end encryption short message service (SMS) that can conceal message while on transit to another mobile device using Hybrid Cipher Algorithm on Android Operating System and implement it for security of mobile SMS. Hybrid encryption incorporates a combination of asymmetric and symmetric encryption to benefit from the strengths of each form of encryption. Various encryption algorithms have been discussed. Secondary sources were employed in gathering useful data. In this research work three methodologies are employed—Structured System Analysis Design Methodology (SSADM), Object Oriented Analysis Design Methodology (OOADM) and prototyping. With the help of the three cryptographic algorithms employed—Message digest 5 (MD5), Blowfish and Rivest-Shamir Adleman (RSA);integrity, confidentiality, authentication and security of messages were achieved. The messages encrypted by developed application are also resistant to brute force attack. The implementing programs were coded in Java.

基于RIA和Web Service的雅砻江水库群生态调度决策支持系统

以雅砻江水库群生态调度决策支持系统为背景,研究生态调度优化计算方法,建立了生态调度模型,同时介绍水库群生态调度决策支持系统的体系结构、功能和特点,探讨构建该决策支持系统的解决方案和关键技术;并基于RIA(Rich Internet Applications)和Web Service技术,ASP.NET技术开发出了体系先进、实用可靠和界面友好的分布式、可扩展性系统。

网络制造中Web Service的服务质量模糊排序方法

从WebService对质量的需求入手分析,给出服务质量模型,以及其中的几个重要指标入时间消耗、资源消耗、可靠性、可信度和安全性等的定量描述,在此基础上给出模糊排序算法·通过对上述指标的一一建立模糊相似矩阵,确定服务间的相似程度,并对其相似度进行综合评价后,给出WebService的模糊排序·该算法旨在提高UDDI上WebService检索结果的质量,是UDDI有益的补充·该算法已在一个网络制造平台中得到应用,文末给出一个基于服务质量的WebService模糊排序实例·

AI赋能哲学社会科学研究、传播及评价

人工智能正在改变整个人类社会,丰富人们的文化生活,促进科技创新与发展,是各行各业“新质化”的促进剂。人工智能可为哲学社会科学提供高效的研究工具和研究场景,将深刻影响哲学社会科学研究、传播及评价的方方面面。加速人工智能在哲学社会科学研究、传播及评价领域的深入应用,提升哲学社会科学研究效率,促进哲学社会科学的创新与发展,构建自主知识体系,是当下哲学社会科学工作者的重要使命。为推进AI赋能哲学社会科学(AI4SS),2024年9月28日,由西华大学、四川省社会科学学术期刊协会主办,西华大学学术期刊部、四川省社会科学重点研究基地四川学术成果分析与应用研究中心承办的“AI赋能社科研究与评价天府论坛”在西华大学举行。来自南京大学、中国人民大学、四川大学等高校与科研机构的20位专家学者,从不同学科、研究领域出发,就人工智能赋能哲学社会科学研究、传播及评价进行了深入交流。文章为20位专家学者在论坛上所作报告的主要观点。这些报告议题包括AI赋能人文社科研究方法的变革,法学、教育学、经济学、图书情报学、新闻传播等社会学科视域下的人工智能,AI辅助社会科学研究的学术伦理,人工智能在医疗健康、大宗商品价格风险监测、大学生高阶思维能力培养等方面的应用,AI赋能学术期刊出版与传播,AI赋能哲学社会科学评价新模式、新平台、新场景,等等。这些议题共同描绘了一个由AI技术驱动的多学科融合与创新的新时代。

Web Services在企业BOM信息管理系统中的应用

WebServices是一种面向服务的体系结构,其优势在于跨平台互操作性和软件复用。BOM信息是企业信息系统中的核心数据,企业中诸多部门都会用到BOM信息或其子集,它贯穿于产品的整个生命周期中;企业信息系统中的BOM也是联系CAD、CAPP、PDM和ERP的纽带。本文提出了一种基于WebServices的BOM架构,并在此BOM架构的基础上为浙江省某企业在NET平台上开发了基于WebServices的BOM信息管理系统,此系统为企业的BOM信息数据交换提供了高效的支持和一致性保证。

Multitarget stool DNA for colorectal cancer screening:A review and commentary on the United States Preventive Services Draft Guidelines

Multitarget stool DNA(mt-sDNA) testing was approved for average risk colorectal cancer(CRC) screening by the United States Food and Drug Administration and thereafter reimbursed for use by the Medicare program(2014).The United States Preventive Services Task Force(USPSTF) October 2015 draft recommendation for CRC screening included mt-s DNA as an "alternative" screening test that "may be useful in select clinical circumstances",despite its very high sensitivity for early stage CRC.The evidence supporting mt-s DNA for routine screening use is robust.The clinical efficacy of mt-s DNA as measured by sensitivity,specificity,life-years gained(LYG),and CRC deaths averted is similar to or exceeds that of the other more specifically recommended screening options included in the draft document,especially those requiring annual testing adherence.In a population with primarily irregular screening participation,tests with the highest point sensitivity and reasonable specificity are more likely to favorably impact CRC related morbidity and mortality than those depending on annual adherence.This paper reviews the evidence supporting mt-s DNA for routine screening and demonstrates,using USPSTF's modeling data,that mt-s DNA at three-year intervals provides significant clinical net benefits and fewer complications per LYG than annual fecal immunochemical testing,high sensitivity guaiac based fecal occult blood testing and 10-year colonoscopy screening.

Evaluation and Analysis of Hospital Disaster Preparedness in Jeddah

Introduction: Disaster damage to health systems is a human and health tragedy, results in huge economic losses, deals devastating blows to development goals, and shakes social confidence. Hospital disaster preparedness presents complex clinical operation. It is difficult philosophical challenge. It is difficult to determine how much time, money, and effort should be spent in preparing for an event that may not occur. Health facilities whether hospitals or rural health clinics, should be a source of strength during emergencies and disasters. They should be ready to save lives and to continue providing essential emergencies and disasters. Jeddah has relatively a level of disaster risk which is attributable to its geographical location, climate variability, topography, etc. This study investigates the hospital disaster preparedness (HDP) in Jeddah. Methods: Questionnaire was designed according to five Likert scales. It was divided into eight fields of 33 indicators: structure, architectural and furnishings, lifeline facilities’ safety, hospital location, utilities maintenance, surge capacity, emergency and disaster plan, and control of communication and coordination. Sample of six hospitals participated in the study and rated to the extent of disaster preparedness for each hospital disaster preparedness indicators. Two hazard tools were used to find out the hazards for each hospital. An assessment tool was designed to monitor progress and effectiveness of the hospitals’ improvement. Weakness was found in HDP level in the surveyed hospitals. Disaster mitigation needs more action including: risk assessment, structural and non-structural prevention, and preparedness for contingency planning and warning and evacuation. Conclusion: The finding shows that hospitals included in this study have tools and indicators in hospital preparedness but with lack of training and management during disaster. So the research shed light on hospital disaster preparedness. Considering the importance of preparedness in disaster, it is necessary for hospitals to understand that most of hospital disaster preparedness is built in the hospital system.

Hotel Guest Service Technology

For any hotel guest reception technology is an important factor in the quality service process,financial-economic efficiency,and management of the hotel industry.The service process in the same type hotel is standard,meanwhile the service process technology undergoes certain alterations according to the hotel’s size,structure,category,and market segment orientation.Hotel customer service technology is characterized by cycling phases—consistent repeat of the service process before the departure of the guest from the hotel.The article discusses the four-phase cycle of guest reception,related to the hotel services and transactions.Each phase of the cycle consists of standard transactions/phases,which are carried out between hotel clients and the hotel itself.

“Eternal Motion” as a “Form of Movement of a Special Nature” and the Main Condition for the Creation of the Universe

The article hypothesizes that DE and DM (UCM) are a “Form of Motion of a Special Nature”, where “Form of Motion” means “Eternal Motion” as the power of dynamics of different levels and varying degrees of self-sufficiency, and by “Special Nature”, gravitational and two other properties of matter, “tied” to the “Eternal Movement” and completely dependent on it. Carriers of key properties of a “Special Nature” have been established: “0”-DE particles and “3”-DM particles (UDM). The unity of their inherent “motionally-gravitational” properties and the peculiarity of the relationship between “motion” and “gravity” are revealed: the higher the intensity of “Eternal Motion”, the stronger the gravitational properties of matter are manifested (and vice versa). The relationship of “time” with the “vibration frequency” and the “mass” of photons with the “degree of bonding and deformation properties of the field” is shown. The maximum level of gravity has been determined, which allows Nature to successfully create the Universe: such a landmark is the proximity to the property of the Primary Source—the “pure graviton” of the OSP space, the most powerful “motionally-gravitational” particle of the Universe. The reasons for the emergence of such an identity of the gravitational properties of particles with the indicators of a “pure graviton” are established: for “0”-DE particles, this is the acquisition of the function of “freedom of movement”;for “3”-DM particles (UDM), the creation of a special structure—a “double field” (“Main” and “Small”). The presence in the “double field” of specific “tools” for the creation of the worlds of the Universe—gravitational “waves” gives rise to impulses (shocks) of varying intensity and shape. A list of functions performed by “waves” in the “Main” and “Small” fields has been compiled. The specific conditions for the formation of “UDM Streams”, their transformation into a “Vortex” and, under the influence of a powerful Initial Impulse (push), sending them to the “place” of the creation of galaxies, are shown. It is suggested that there is a “Cycle of Matter in Nature” in the closed structure of our Universe due to the “work” of “waves” and the functioning of special “factories” in the form of exotic space objects—Black holes.

A Non-Preemptive Priority Queueing System with a Single Server Serving Two Queues M/G/1 and M/D/1 with Optional Server Vacations Based on Exhaustive Service of the Priority Units

We study a vacation queueing system with a single server simultaneously dealing with an M/G/1 and an M/D/1 queue. Two classes of units, priority and non-priority, arrive at the system in two independent Poisson streams. Under a non-preemptive priority rule, the server provides a general service to the priority units and a deterministic service to the non-priority units. We further assume that the server may take a vacation of random length just after serving the last priority unit present in the system. We obtain steady state queue size distribution at a random epoch. Corresponding results for some special cases, including the known results of the M/G/1 and the M/D/1 queues, have been derived.

Service Master COMPACT现场测量设备

派克汉尼汾推出一款功能强大的测量设备Service Master COMPACT,为行走机械和工业液压应用提供实时监测和诊断服务。产品采用坚固的IP65防护级外壳及耐油性橡胶保护层,适用于工程机械、农业、铁路和国防等行业的恶劣工况。搭载4.3英寸触摸屏和触感键盘的Service Master COMPACT让现场操作及数据分析流程变得简便。它能实时显示压力、温度和流量等关键参数,并支持通过按键或预设信号触发的数据记录功能。这一特性使得维护人员能够轻松识别潜在问题,避免可能引发的设备停机或损坏,进而降低维护成本。

Reform and Reconstruction of the Rural Elderly Care Service System in the New Era

With decades of hard work,socialism with Chinese characteristics has crossed the threshold into a new era.The transformation of the principal contradiction in the new era has imposed new and higher requirements on the rural elderly care service system.However,the current service system based on welfare-multiplex and urban community environment is often difficult to operate in the rural areas of central and western China.And the urban home care service for the aged is inappropriate to the rural reality;community service for the aged faces difficulties in practice;institution care for the aged develops slowly;the synergy among different elderly care service models is poor.Through observing the rural areas of central and western China in the field for a long time,this paper proposes to build the rural elderly care service system based on family supporting,supported by community mutual assistance care,supplemented by institution care for the aged,combined with medical care,and localized with diversified forms for targeted groups according to different realities.And the system should follow the fundamental guidance of development-oriented family policy,adhere to the governance mode of multiple subjects with one core and respect rural reality,which could provide a feasible way for the reform and reconstruction of the rural elderly care service system.

基于MS Analysis Services多维分析系统的实现

基于OLAP技术相关理论,通过分析MS Analysis Services中的多维数据集的建立和访问技术,提出了一种多维分析系统设计与实现方法,并在此基础上给出了一个从OLAP数据源结构设计到应用程序设计的实例,实现了对数据的多角度、多层次的查询及初步分析功能。

Effectiveness of Short Message Service Support on Adherence to Chemotherapy Treatment among Patients Attending Cancer Treatment Facilities in Kenya

Introduction: Cancer is a chronic debilitating disease that unnerves patients, communities, and nations. At some point in cancer patient’s disease experience, chemotherapy is used, and the patient is expected to adhere to treatment to improve survival and quality of life. Methods: This multisite Cluster Randomized Trial (CRT) evaluated the effectiveness of mobile phone Short Message Service (SMS) support on the adherence to treatment schedules among adult cancer patients in Kenya. Data was collected using questionnaires. Ethical approvals were obtained from relevant Ethical Review Boards (ERBs). Results: The mean adherence was 83%. There was a significant difference between treatment arms in relation to the adherence. The intervention arm had a higher mean adherence difference, M = 3.913, 95% CI 2.632-5.193, t (402) = 6.006, p ≤ 0.001), with Cohen’s d = 0.60. Although not significant, (χ2dd = 0.151, df = 1, p = 2.064), more women were perfect adheres than males. Perfect adherers were satisfied with SMS support (χ2dd = 7.620, df = 1, p = 0.06), were in the intervention arm (χ2dd = 22.942, df = 1, p ≤ 0.001), and had trust in the care provider (χ2dd = 10.591 p ≤ 0.001). SMS support was not significant in the multivariate analysis but had an estimated effect size of 0.958 (z = 1.424, p = 0.154, CI = 0.242-3.781), indicating that mean adherence was slightly better in the presence of the intervention. Conclusions: SMS-support intervention has demonstrated superiority in influencing adherence. Further, health system-related factors have a significant influence on the adherence to chemotherapy treatment. Interventions to re-design health systems that are responsive to unmet care needs of cancer patients must be explored. .

基于Web Services的商务智能网络研究

随着ERP、CRM、SCM等多种商业应用的引入,现代企业迫切需要一种解决方案来整合、分析这些数据提取有用的知识,帮助企业提高运营能力和决策水平,而基于事务处理的企业应用很难做到对数据进行有效的分析和挖掘,于是商务智能应运而生。本文采用Web Services构建商务智能网络实现企业间商务智能系统的分析协作和知识共享。

Trade-offs and synergies between ecosystem services in Yutian County along the Keriya River Basin,Northwest China

The Keriya River Basin is located in an extremely arid climate zone on the southern edge of the Tarim Basin of Northwest China,exhibiting typical mountain-oasis-desert distribution characteristics.In recent decades,climate change and human activities have exerted significant impacts on the service functions of watershed ecosystems.However,the trade-offs and synergies between ecosystem services(ESs)have not been thoroughly examined.This study aims to reveal the spatiotemporal changes in ESs within the Keriya River Basin from 1995 to 2020 as well as the trade-offs and synergies between ESs.Leveraging the Integrated Valuation of Ecosystem Services and Trade-offs(InVEST)and Revised Wind Erosion Equation(RWEQ)using land use/land cover(LULC),climate,vegetation,soil,and hydrological data,we quantified the spatiotemporal changes in the five principal ESs(carbon storage,water yield,food production,wind and sand prevention,and habitat quality)of the watershed from 1995 to 2020.Spearman correlation coefficients were used to analyze the trade-offs and synergies between ES pairs.The findings reveal that water yield,carbon storage,and habitat quality exhibited relatively high levels in the upstream,while food production and wind and sand prevention dominated the midstream and downstream,respectively.Furthermore,carbon storage,food production,wind and sand prevention,and habitat quality demonstrated an increase at the watershed scale while water yield exhibited a decline from 1995 to 2020.Specifically,carbon storage,wind and sand prevention,and habitat quality presented an upward trend in the upstream but downward trend in the midstream and downstream.Food production in the midstream showed a continuously increasing trend during the study period.Trade-off relationships were identified between water yield and wind and sand prevention,water yield and carbon storage,food production and water yield,and habitat quality and wind and sand prevention.Prominent temporal and spatial synergistic relationships were observed between different ESs,notably between carbon storage and habitat quality,carbon storage and food production,food production and wind and sand prevention,and food production and habitat quality.Water resources emerged as a decisive factor for the sustainable development of the basin,thus highlighting the intricate trade-offs and synergies between water yield and the other four services,particularly the relationship with food production,which warrants further attention.This research is of great significance for the protection and sustainable development of river basins in arid areas.

Service Function Chain Migration in LEO Satellite Networks

With the advancements of software defined network(SDN)and network function virtualization(NFV),service function chain(SFC)placement becomes a crucial enabler for flexible resource scheduling in low earth orbit(LEO)satellite networks.While due to the scarcity of bandwidth resources and dynamic topology of LEO satellites,the static SFC placement schemes may cause performance degradation,resource waste and even service failure.In this paper,we consider migration and establish an online migration model,especially considering the dynamic topology.Given the scarcity of bandwidth resources,the model aims to maximize the total number of accepted SFCs while incurring as little bandwidth cost of SFC transmission and migration as possible.Due to its NP-hardness,we propose a heuristic minimized dynamic SFC migration(MDSM)algorithm that only triggers the migration procedure when new SFCs are rejected.Simulation results demonstrate that MDSM achieves a performance close to the upper bound with lower complexity.