Diagnosing and treating testosterone deficiency in different parts of the world. Results from global market research

Aim. This study analysed variations between different regions of the world in diagnosing and treating testosterone (T) deficiency.

Methods. Physicians were interviewed in Germany, Spain and the United Kingdom, in Brazil, in Saudi Arabia and South Korea. Items in the survey: 1) reasons/motivation to use or not to use T; 2) what category of patients would not receive T on the basis of these concerns; 3) concerns about prostate pathology in the decision not to provide T treatment; 4) phosphodiesterase type 5 (PDE-5) inhibitors are efficacious, but T treatment makes a comeback.

Results. Between 5% and 10% of consulting patients suffered from T deficiency. The fear to induce prostate cancer appeared very powerful. About 68% of physicians associate the use of T more with risks than benefits, more so in Europe than elsewhere. As a result about 35% of hypogonadal men do not receive treatment. The PDE-5 inhibitors are very prominent in the treatment of erectile dysfunction. Of patients suffering from erectile dysfunction, 18% to 29% have T deficiency which is not always diagnosed and treated.

Conclusion. World-wide physicians require more education on diagnosing T deficiency, on the role of T in erectile dysfunction and the relative safety of testosterone treatment.     

基于人力资源管理5P模型的反生产行为治理策略

从人力资源管理5P模型视角探讨了人力资源管理对反生产行为的影响机制。研究指出,岗位设计、员工开发、绩效考核与薪酬设计、积极的文化分别是影响反生产行为的机会机制、预防机制、触发机制和规范机制,并且这四大机制互相制约,共同对反生产行为产生影响。在此基础上,提出了组织应加强行为监控,优化工作设计;注重诚实性个性测试和职业、心理培训;构建科学合理的绩效考核体系;薪酬与奖励制度要公平、合理以及营造积极的伦理氛围和伦理文化五个方面的反生产行为治理策略。     

Another look at fisher'S solution to the problem of the weighted mean

The marginal likelihood function of the common mean of two normal populations is considered. Transformed versions of the marginal likelihood function are plotted to illustrate the difficulties of the point estimate approach. Conditions for bimodality and asymmetry are also discussed     

灾后重建中社工组织多元角色的实践与实务模式选择

在灾后重建中,人们往往注重外界对灾民的各种帮助,却忽视促使灾民面对现实,比外界提供援助更为重要。因此,要通过充权等方法改变过去的“削权”而“增权”,减少灾民在社会结构中的弱势地位所造成的“习得的无助”,不仅促使灾民从“附属”到“自主”,更有利于整个灾区重建。在现代灾害越来越呈复合型特点的情况下,社工组织扮演的角色也越来越多元。社工组织在灾后重建中主要以直接或初级服务为主,面对案主在直接接触过程中达到服务目的,如团体工作、小区工作以及各种治疗、辅导、咨询等方法。     

PRRSV JL／07／SW毒株GP5重组蛋白间接ELISA检测方法的建立

本研究将以纯化的重组GP5蛋白作为包被抗原,建立了诊断PRRS的间接ELISA方法。实验确定了最佳抗原包被浓度为2．30μ／mL,PRRSV阳性血清稀释度为1：100。用间接ELISA方法检测猪瘟、猪细小病毒、猪戊肝病毒阳性血清无交叉反应,证明有很好的特异性。     

Inferences on stress–strength parameter based on GLD5 distribution

Let X and Y be independent random variables distributed as generalized Lindley distribution type 5 (GLD5). This article deals with the estimation of the stress–strength parameter R = P(Y < X), which plays an important role in reliability analysis. For this purpose, the maximum likelihood and the uniformly minimum variance unbiased estimators are presented in the explicit form. Moreover, considering Arnold and Strauss’ bivariate Gamma distribution as an informative prior and Jeffreys’ as noninformative prior, the Bayes estimators are derived. Various bootstrap confidence intervals are also proposed and, finally, the presented methods are compared using a simulation study.     

Biodiversity,coastal protection and resource endowment: Policy options for improving ocean health

The paper develops a production function for the Global Ocean Health Index (OHI) for 2013. Data from the Ocean Health Statistics, plus from the Human Development Index (HDI) for 151 countries are used. We employ two-stage regression model to conduct this evaluation. The Tobit model, used to obtain the estimated dependent variable, results show Coastal Protection, Livelihoods and Economies, Tourism and Recreation, Iconic Species, Clean Water and Biodiversity, Food Provision, Artisanal Fisheries Opportunities, Natural Products, and Carbon Storage are significant variables. The rank regression in the second stage showed that HDI and Marine Protected Areas (MPAs) significantly influenced the predicted value of the OHI. Policy makers should note that biodiversity increases have the greatest effect on OHI, and its improvement is within reach of even the poorest country. Countries with varying levels of resource endowment may choose different techniques to improve OHI, but the implementation of MPAs should be priority.     

Real and financial shocks,exchange rate regimes and the probability of a currency crisis

We analyze the relationships among shocks, exchange rate regimes, and capital controls in relation to the probability of a currency crisis. Based on the theoretical model by Nakatani (2016, 2017a), we use panel data on 34 developing countries and apply a probit estimation. We find that both productivity shocks and risk premium shocks trigger currency crises, whereas productivity shocks are important for severe currency crises. We also find that the effects of these shocks on the probability of a crisis are larger for floating exchange rate regimes and that capital controls mitigate the effects of productivity shocks in pegged regimes.     

Cosine similarity-based clustering and dynamic reputation trust aware key generation scheme for trusted communication on social networking

Social networking sites (SNSs) make it possible to connect people and they can communicate with others. Due to the lack of privacy mechanisms, the users in SNSs are vulnerable to some kinds of attacks. Security and privacy issues have become critically important with the fast expansion of SNSs. Most network applications such as pervasive computing, grid computing and P2P networks can be viewed as multi-agent systems which are open, anonymous and dynamic in nature. Moreover, most of the existing reputation trust models (RTMs) do not depend on any clustering structures. The clustering structures are used to effectively calculate the trustworthiness of the network nodes. In this paper, a novel cosine similarity-based clustering and dynamic reputation trust aware key generation (CSBC-DRT) scheme is proposed. For better faced clustering, a cosine similarity measure is estimated for all the nodes on the network. Based on the similarity measure among the nodes, the network nodes are clustered into disjoint groups. The RTM is built in this proposed scheme. Here, an improved MD5 algorithm is explored for key generation and key verification. After the key verification, the trusted measures such as reputation value, positive edge and negative edge values are computed to formulate the trusted network. The proposed scheme performs better than the existing RTM, which provides trusted communication in social networks.     

一种适用于5G融合网络的接入选择算法

提出一种适用于5 G融合网络的接入选择算法：灰色层次分析法（grey analytic hierarchy process,GAHP）。该算法基于层次分析法的思想,结合网络性能和用户体验类指标选出QoS参数,对其进行分类处理;运用模糊理论将用户偏好转化为定量参数,结合灰色关联法对 QoS 参数进行筛选,并对候选网络进行排序选择。仿真表明, GAHP在负载均衡方面优于传统算法,可以更加快速准确地选择最优网络,提高用户满意度。