Phases and workup order of pre-investment stage of projects in metallurgy by the example of OJSC “BMZ - managing company of holding “BMK”

Preparation, organization and managing by investment projects are efficient mechanism of increasing efficiency of investment activity of an enterprise. OJSC “BMZ - managing company of holding “BMK” accumulated practical experience on preinvestment workup in the sphere of implementation of investment projects in the industry. It was noted that before the industrial production of a new for an enterprise products, it is necessary to pass a unique way from the project idea to the implementation of equipment, division, shop or creation of a new plant at all, using definite knowledge, methodology and instruments of managing by the projects. Theoretical fundamentals were presented to accomplish a pre-investment workup on a project, as well as requirements of legislation of Republic of Belarus' to the content and order of work on pre-investment stage of a project, phases and order of development of the pre-project (pre-investment) documentation for projects in the industry by the example of OJSC “BMZ - managing company of holding “BMK”.

In-situ abiogenic methane synthesis from diamond and graphite under geologically relevant conditions

Diamond and graphite are fundamental sources of carbon in the upper mantle, and their reactivity with H2-rich fluids present at these depths may represent the key to unravelling deep abiotic hydrocarbon formation. We demonstrate an unexpected high reactivity between carbons’ most common allotropes, diamond and graphite, with hydrogen at conditions comparable with those in the Earth’s upper mantle along subduction zone thermal gradients. Between 0.5-3 GPa and at temperatures as low as 300 °C, carbon reacts readily with H2 yielding methane (CH4), whilst at higher temperatures (500 °C and above), additional light hydrocarbons such as ethane (C2H6) emerge. These results suggest that the interaction between deep H2-rich fluids and reduced carbon minerals may be an efficient mechanism for producing abiotic hydrocarbons at the upper mantle.

Kinematic Modeling of a Novel RR-RP Hybrid Serial-Parallel Mechanism With Variable Topology

This paper introduces a new mechanism that will be classified as an RR-RP hybrid serial-parallel mechanism with variable topology. A mechanism with variable topology is a mechanism that can change its topology due to a change it its joints constraint geometric profile. The RR-RP is unique in that it combines the functionality of both an RR and RP serial manipulator without the need for an additional actuator, leading to a lower weight, lower cost, and more efficient mechanism. The new mechanism and its topology are presented, followed by a workspace analysis, derivation of the forward and inverse kinematics, and velocity analysis of the new mechanism.

Unique and universal dew-repellency of nanocones

Surface structuring provides a broad range of water-repellent materials known for their ability to reflect millimetre-sized raindrops. Dispelling water at the considerably reduced scale of fog or dew, however, constitutes a significant challenge, owing to the comparable size of droplets and structures. Nonetheless, a surface comprising nanocones was recently reported to exhibit strong anti-fogging behaviour, unlike pillars of the same size. To elucidate the origin of these differences, we systematically compare families of nanotexture that transition from pillars to sharp cones. Through environmental electron microscopy and modelling, we show that microdroplets condensing on sharp cones adopt a highly non-adhesive state, even at radii as low as 1.5 µm, contrasting with the behaviour on pillars where pinning results in impedance of droplet ejection. We establish the antifogging abilities to be universal over the range of our cone geometries, which speaks to the unique character of the nanocone geometry to repel dew. Truncated cones are finally shown to provide both pinning and a high degree of hydrophobicity, opposing characteristics that lead to a different, yet efficient, mechanism of dew ejection that relies on multiple coalescences.

An Efficient Mechanism to Prevent the Phishing Attacks

In the era of modern trends such as cloud computing, social media applications, emails, mobile applications, and URLs that lead to increased risks for defrauding authorized users, and then the attackers try to gain illegal access to accounts of users through a malicious attack. The phishing attack is one of the dangerous attacks caused to access of authorized account illegally way. The finances, business, banking, and other sensitive in states are faces by this type of attacks due to the important information they have. In this paper, we propose a secure verification scheme that can overcome the above-mentioned issues. Additionally, the proposed scheme can resist famous cyberattacks such as impersonate attacks, MITM attacks. Moreover, the proposed scheme has security features like strong verification, forward secrecy, user’s identity anomaly. The security analysis and the experimental results proved the strongest of the proposed scheme compared with other related works. Finally, our proposed scheme balanced between the performance and the security merits.

Seletividade, punitividade e o novo arranjo criminal: o padrão de comportamento das instituições penais como elemento propulsor do PCC

Resumo O presente trabalho busca analisar a forma como as instituições penais conformam o novo arranjo criminal do intra e extramuros. Se por um lado é possível enxergar a suposta inabilidade do Estado em conter a criminalidade, por outro, parece que a manutenção dessa característica se torna um eficiente mecanismo para neutralizar e gerir certos indivíduos da sociedade. O artigo tem como objeto a origem do Primeiro Comando da Capital (PCC), o qual se configura como uma evidência de que políticas penais mais duras são propulsoras de coletivos prisionais. O debate também discutirá sobre as lógicas de pertencimento e exclusão, com o grupo e com o aparelho estatal, respectivamente, as quais parecem legitimar a atuação do PCC. Palavras-chaves: Recrudescimento penal; PCC; Práticas punitivas; Pertencimento. Abstract The present study aims to analyze the way that criminal institutions conform the new criminal arrangement of enter and extra-walls. If, on the one hand, it is possible to see the State's supposed inability to contain crime, on the other, it seems that maintaining this characteristic becomes an efficient mechanism to neutralize and manage certain individuals in society. The article has as object the origin of the Primeiro Comando da Capital (PCC), which is configured as evidence that tougher penal policies are propellants of prison collectives. The debate will also discuss the logic of belonging and exclusion, with the group and with the state apparatus, respectively, which seem to legitimize the work of the PCC. Keywords: Criminal recrudescence; PCC; Punitive Practices; Belonging. Resumen El presente trabajo busca analizar la forma en que las instituciones criminales conforman el nuevo ordenamiento criminal de los intra y extramuros. Si, por un lado, se percibe la supuesta incapacidad del Estado para contener la delincuencia, por otro, parece que mantener esta característica se convierte en un mecanismo eficaz para neutralizar y gestionar a determinados individuos de la sociedad. El artículo tiene como objeto el origen del Primer Comando de la Capital (PCC), que se configura como prueba de que políticas penales más duras son propulsores de los colectivos carcelarios. El debate también discutirá las lógicas de pertenencia y exclusión, con el grupo y con el aparato estatal, respectivamente, que parecen legitimar el trabajo del PCC. Palabras clave: Reclutamiento criminal; PCC; Prácticas punitivas; Pertenencia.