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Mental illnesses are a significant and growing public health concern. They have the potential to tremendously affect a person’s life. Depression, in particular, is one of the major reasons for suicide. In recent times, the popularity of social media websites has burgeoned as they are platforms that facilitate discussion and free-flowing conversation about a plethora of topics. Information and dialogue about subjects like mental health, which are still considered as a taboo in various cultures, are becoming more and more accessible. The objective of this paper is to review and comprehensively compare various previously employed Natural Language Processing techniques for the purpose of classification of social media text posts as those written by depressed individuals. Furthermore, pros, cons, and evaluation metrics of these techniques, along with the challenges faced and future directions in this area of research are also summarized.

Pipe lines made of fiber based composite materials was not widely used as accepted mode for carrying potable water or drain water. In mining environment, water is not just a pure water but full of particles and impurities and will be mixture of slurry. This investigation focus on the development of fiber based hybrid composite materials and to study the effect of hybridization on mechanical and tribological properties. The hybridization was achieved by the combination of natural and synthetic fibers. Jute fiber and Glass fiber are respectively chosen for the above mentioned purpose. The objective is to evaluate the properties of these hybrids under same experimental conditions. The tribological studies were done by conducting erosion wear tests using pot erosion tester. Pot erosion testers are the best mode of simulating the erosion taking place in the pipe lines. It is indigenously developed one. Various mechanical tests like tensile, impact, flexural and hardness were conducted on the developed composites. Erosion tests were also conducted on the samples performing well in the Mechanical testing. Erosion tests were done by varying the particle size, concentration, exposure time and the surface impact velocity. Glass fiber panel and Hybrid 1 panel performed well in the tensile test, however in the flexural test, the Hybrid 2 showed a better strength.

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Populism and civilizationism have transformed the politics of many countries. Many scholars consider them the biggest challenges to democracy since the rise of fascism and communism in the first half of the last century. The close affinity between populism, civilizationism, and rightwing politics has also been analyzed and recognized in many countries from Turkey to India to the US. However, there are three areas that distinguish the appearance of civilizationism in Israel. First, in contrast to many other countries, civilizationism in Israel is not a new phenomenon. It has been an essential part of Israeli nationalism or Zionism since the early 20th century. Second, unlike many countries, Jewish civilizationism in Israel is an article of faith for all major Israeli political parties. It is not a slogan raised only by the rightwing, conservative part of the political spectrum. Finally, one observes an affinity between civilizationism and populism. Civilizational rhetoric is the mainstay of populist leaders, such as Trump, Erdogan, etc. In Israel, populism and civilizationism have no special relationship as civilizationism is mainstream politics. All politicians, populists and non-populists, have to pay homage to Jewish civilizationism; otherwise, they will not succeed. This paper analyzes the Israeli founding fathers’ statements, the Declaration of Independence, Israeli state symbols, the revival of the Hebrew language, the Law of Return, the first debate in the Knesset, and the more recent Nation-State Law to demonstrate how Jewish civilizationism is old, mainstream, and not exclusively populist.