Improving Technical-Economical Performance at Praid Saline Way of Rock Salt Roadheader Mechanized Mining

Mining Revue ◽  
2021 ◽  
Vol 27 (3) ◽  
pp. 17-29
Author(s):  
Ilie Onica ◽  
Dacian-Paul Marian ◽  
Viorel Mihăilescu
Keyword(s):  
Rock Salt ◽  
Seismic Effect ◽  
The State ◽  
Destructive Effect ◽  
Mining Depth ◽  
Economical Performance

Abstract Increasing the mining depth at Praid Saline and implicitly the state of stresses and strains determines an increase in the dimensions of resistance structures (pillars and ceilings). Furthermore, the seismic effect generated by the detonation of explosives contributes to the degradation of resistance structures. In order to reduce the destructive effect of drilling-blasting technology a proposal is made for the implementation of mechanized salt cutting technology which makes use of a roadheader. This article emphasizes the technical-economical implementation advantages of exploitation from the lower horizons of the New Sector, those of mechanized mining with a roadheader as opposed to the classical technology of drilling-blasting.

Studies of the Effect of Decontamination Methods on the Surface Condition of the Stoppers in Contact with Drugs

2019 ◽  
Vol 816 ◽  
pp. 260-265
Author(s):  
Yu.N. Khakimullin ◽  
N.N. Simonova ◽  
S.V. Guzhova ◽  
Larisa Yuryevna Zakirova ◽  
N.K. Romanova ◽  
...  
Keyword(s):  
Surface Condition ◽  
The State ◽  
Wetting Angle ◽  
Destructive Effect ◽  
Edge Angle ◽  
Pharmaceutical Substances ◽  
Contact Wetting Angle

The influence of means and modes of sanitary-hygienic treatments on the surface condition of medical rubber stoppers based on butyl and halobutyl rubbers used for sealing injection and infusion drugs was investigated using the method of determining the contact wetting angle on a DCAT 21 tensiometer. It has been established that the methods used for sanitary-hygienic processing have a destructive effect on the state of the surface, accompanied by a decrease in the edge angle of wetting (an increase in the hydrophilicity of the surface of the stoppers), which significantly increases the possibility of interaction with the dissolved pharmaceutical substances of drugs.

Study of Blasting Seismic Effect and Controlling Technology

2012 ◽  
Vol 170-173 ◽  
pp. 3166-3168
Author(s):  
Bing Xie ◽  
Li Guo
Keyword(s):  
Seismic Effect ◽  
Destructive Effect ◽  
The Difference

The difference between seismic caused by blasting and earthquake has been analyzed and the destructive effect of blasting seismic also been discussed. The typical seismic controlling technology such as choosing explosives reasonably, limitting the charge which blasting at the same time, dispersing charge, using millisecond blasting, selecting reasonable charging structure, excavating damping ditch and using pre-splitting blasting technology has been discussed.

scholarly journals OPERATIONAL CONTROL OF THE STATE OF ANTI-CORROSION PROTECTIONAS A FACTOR IN THE SAFETY OF TECHNICAL OPERATION OF MARINE VESSELS

2020 ◽  
pp. 152-159
Author(s):  
O.A. Belov ◽  
A.O. Shuvaeva ◽  
S.A. Klementyev ◽  
A.V. Fedin
Keyword(s):  
Corrosion Protection ◽  
Electrochemical Corrosion ◽  
Environmental Safety ◽  
The State ◽  
Operational Control ◽  
Electrochemical Protection ◽  
Destructive Effect ◽  
Local Strength ◽  
Technical Operation ◽  
Marine Vessels

The technical operation of modern marine vessels is inevitably associated with the aggressive effects of electrochemical corrosion on hull structures and the ship as a whole. Corrosion processes have a destructive effect on hull elements, welded joints of metal structures, as a result of which there is a violation of water tightness, a decrease in the general and local strength of the hull, other operational characteristics of the vessel, reliability parameters of the hull structures and, as a result, a decrease in the safety of navigation and environmental safety, including at the points of basing ships and adjacent waters. This factor requires the introduction of special methods of corrosion protection, the main of which are the use of coatings and the use of electrochemical protection of ship hulls. Maintaining the integrity of coatings and a given level of hull electrochemical protection during the operation of the vessel involves the implementation of a set of interconnected engineering, technical and organizational measures, the basis of which is the operational control of the state of corrosion protection.

Institutional principles of functioning and development in society of post-soviet countries

2021 ◽  
Vol 7 (Extra-B) ◽  
pp. 634-640
Author(s):  
Liudmyla Pavlyshyn ◽  
Victor Grushko ◽  
Natalya Saenko ◽  
Yuliia Lisnievska ◽  
Elena Artemova ◽  
...  
Keyword(s):  
Public Relations ◽  
The State ◽  
Point Of View ◽  
Present Stage ◽  
Destructive Effect ◽  
Basic Principles ◽  
Mechanisms Of Formation

The role of institutes and institutions in the process of functioning and development of society is revealed in the work. An analysis of the state of institutions and institutions in society of post-soviet countries at the present stage of its development and the problems associated with the underestimation of their role in the organization of society. The mechanisms of formation of contradictions between formal and informal regulators of public relations are revealed. The need to harmonize the basic principles of functioning of official institutions and informal norms is substantiated. The conclusions of leading institutionalists from the point of view of application of their ideas in society of post-soviet countries  are analyzed. The problems of synchronization of interaction of newly formed official institutions in the country and ingrained informal norms prevailing in the society are revealed. Informal norms that have a destructive effect on the development of society have been singled out.

COMBATING CORRUPTION IN PUBLIC PROCUREMENT: EU EXPERIENCE FOR UKRAINE

2017 ◽  
Author(s):  
Igor Savenko ◽  
◽  
Kateryna Manuilova ◽  
Kateryna Kolesnikova ◽  
◽  
...  
Keyword(s):  
Public Procurement ◽  
Effective Means ◽  
The State ◽  
Modern World ◽  
Main Task ◽  
Destructive Effect ◽  
Public Authorities ◽  
Complex Process ◽  
The World ◽  
Further Development

Solving the problem of overcoming corruption is the main task of all countries of the world and Ukraine. After all, corruption is the most dangerous phenomenon in the sociopolitical life of any state. Total corruption destroys the foundations of statehood: national security; constitutional and other normative-legal bases of regulation of public life of the state. In a broad sense, the concept of "corruption" involves a complex process (phenomenon) that manifests itself in various forms of public, political and private relations. Corruption has a destructive effect on the state's economy, the functioning of public authorities and the development of the state as a whole. Today it is safe to say that no country in the world has completely overcome corruption. Finding effective means to combat corruption is a key issue for all countries of the world and for our country in particular. The issue of overcoming corruption in public procurement is becoming especially relevant in the modern world. Work to combat corruption in Ukraine should be comprehensive and requires harmonization of Ukrainian public procurement legislation, as well as further development of a program of structural reforms in the justice sector, education, e-government, economic and political spheres, but also the political will of the current Ukrainian government.

Two Brilliant Careers

2013 ◽  
Author(s):  
Lars Öhrström
Keyword(s):  
Sodium Chloride ◽  
Metal Ions ◽  
Rock Salt ◽  
The State ◽  
Table Salt ◽  
Bob Dylan ◽  
Chemistry Textbooks ◽  
The World ◽  
Rules Of Thumb ◽  
Positively Charged

At the time of publishing, it is exactly 50 years since Bob Dylan answered a number of enigmatic questions with the ambiguous line ‘the answer is blowin’ in the wind’ on the A-side of the record The Freewheelin’ Bob Dylan. But one of these, ‘How many years can a mountain exist before it’s washed to the sea?’ we can at least try to answer, as part of the solution lies in one of the more famous rules of thumb one learns as a novice chemist: positively charged metal ions combined with oxides (O2−), sulphides (S2−), phosphates (PO43− ), silicates (SiO42−), and carbonates (CO32−), are insoluble in water, whereas similar nitrates (NO3− ), chlorides (Cl−), and bromides (Br−), are soluble. In terms of stuff you’ve got in your kitchen, this means that when you put a spoon of table salt (NaCl) into water it will ‘disappear’, faster if you stir or heat, and the water will look exactly the same as before. For the insoluble stuff, we move to the more expensive regions of the cupboards and investigate the state of our silver and copperware. When things like these were to be on display, my mother used to have me clean them with silver or copper polish, as the oxides and sulphides tarnishing the metal surfaces did not go away in a normal wash with water—they are completely insoluble. A suitable but boring exercise, and as close to a chemistry set as I ever came as a child. What they normally don’t tell you in chemistry textbooks however, are the enormous consequences of these rules, visible all over the world. Why are mountains made of rocks from oxides, sulphides, phosphates, silicates, and carbonates? Because they are insoluble! Any mountains made from sodium chloride would indeed have been ‘washed to the sea’ thousands of years ago, and where NaCl can be mined it is also known as rock salt, and found either underground or in regions with a very dry climate. Which brings us to the hero and heroine if this chapter.

scholarly journals Ontology of National Interests of Ukraine: System Priorities

2021 ◽  
pp. 8-29
Author(s):  
Valentyn Krysachenko
Keyword(s):  
High Standard ◽  
The State ◽  
Cultural Dimensions ◽  
Successful Implementation ◽  
Destructive Effect ◽  
National Interests ◽  
The Russian Federation ◽  
Direct Aggression ◽  
Definition Of ◽  
Legal Consequences

The study is devoted to the analysis of the content of national interests of Ukraine as a system of ensuring vital needs of citizens, society, and the state. Ontological dimensions allow to outline the coexistence of a certain set of realities, including metaphysical ones, which significantly affect the possibility of successful implementation of the strategy of Ukrainian civilizational progress. National interests are determined by the needs of the triune integrity: "citizen – society – state". It is important to achieve proportionality and unity of interests of each component, including the coincidence of state and national interests of Ukraine. Priorities include human rights, the rule of law and democratic values. The direct aggression of the Russian Federation against Ukraine, as well as the artifacts of the totalitarian system within the country, erode meanings, values, and strategic vectors of the realization of Ukraine's national interests, produce a destructive effect. Incompatibility and alternative national interests of Russia and Ukraine are substantiated, which is confirmed by factors of historical, cultural, spiritual, and economic development. In times of crisis, the activity of civil society becomes extremely important, which takes on both the definition of content and the protection of national interests. It is emphasized that the real sovereignty, security of the state, social harmony and high standard of civil life have their ontological basis for internal determinants, including national self-determination and self-establishment of the Ukrainian people. In this case, final overcoming of the spiritual-practical and political-legal consequences of Ukraine's forced stay in the system of totalitarian reality becomes of fundamental importance. It is the attempt to return Ukraine to the rule of Moscow, to level its identity in the state, ethnic and cultural dimensions, which determines the direction of Russia's aggressive policy against our state. Protecting and defending one’s own national interests becomes the key to preserving Ukraine’s own identity and establishing it as a full-fledged subject of international relations.

scholarly journals Coastal Waste Detection Based on Deep Convolutional Neural Networks

Sensors ◽  
2021 ◽  
Vol 21 (21) ◽  
pp. 7269
Author(s):  
Chengjuan Ren ◽  
Hyunjun Jung ◽  
Sukhoon Lee ◽  
Dongwon Jeong
Keyword(s):  
Data Augmentation ◽  
State Of The Art ◽  
Human Life ◽  
Model Performance ◽  
Multiple Scale ◽  
The State ◽  
Future Research ◽  
Deep Convolutional Neural Networks ◽  
Destructive Effect ◽  
Sorting Efficiency

Coastal waste not only has a seriously destructive effect on human life and marine ecosystems, but it also poses a long-term economic and environmental threat. To solve the issues of a poor manual coastal waste sorting environment, such as low sorting efficiency and heavy tasks, we develop a novel deep convolutional neural network by combining several strategies to realize intelligent waste recognition and classification based on the state-of-the-art Faster R-CNN framework. Firstly, to effectively detect small objects, we consider multiple-scale fusion to get rich semantic information from the shallower feature map. Secondly, RoI Align is introduced to solve positioning deviation caused by the regions of interest pooling. Moreover, it is necessary to correct key parameters and take on data augmentation to improve model performance. Besides, we create a new waste object dataset, named IST-Waste, which is made publicly to facilitate future research in this field. As a consequence, the experiment shows that the algorithm’s mAP reaches 83%. Detection performance is significantly better than Faster R-CNN and SSD. Thus, the developed scheme achieves higher accuracy and better performance against the state-of-the-art alternative.

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