scholarly journals Tank Cleaning With Impact

Author(s):  
Jan H. Hansen

Different types of tank cleaning device technologies are used for inside cleaning of tanks today. Many devices with different capacity, design, quality, function and price from a variety of manufacturers are seen on the market and the selection has become difficult. The increasing focus on product quality, low operating costs, low consumption of water and chemicals, rapid tank turn around time, cleaning validation, regulation fulfillment, and environment protection policies have led to an awareness of the benefits by optimizing the cleaning process. The importance for an effective, reliable device has become an important factor, and many of the latest tank cleaning devices on the market today have been developed with these keywords in mind. The selection has become a key factor in achieving the optimum cleaning process. Paper published with permission.


2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Huan Zhang ◽  
Yang Liu ◽  
Jingsi Huang

Supply chain coordination models are developed in a two-echelon supply chain with double sided disruptions. In a supply chain system, the supplier may suffer from the product cost disruption and the retailer suffers from the demand disruption simultaneously. The purpose of this study is to design proper supply chain contracts, under which the supply chain with double sided disruption can be coordinated. Firstly, the centralized decision-making models are applied to find the optimal price and quantity under three cases as the baseline. The different cases are divided by the different relationship between the product cost disruption and the demand disruption. Secondly, two different types of contracts are introduced to coordinate the whole supply chain. One is all-unit wholesale quantity discount policy (AQDP) contract, and the other one is capacitated linear pricing policy (CLPP) contract. And it is found out that the gap between the demand disruption and the product cost disruption is the key factor to influence the supply chain coordination. Some numerical examples and sensitivity analysis are given to illustrate the models. The AQDP contracts are listed out under different cases to show how to use it under double sided disruptions.



2018 ◽  
Vol 18 ◽  
pp. 95-105 ◽  
Author(s):  
Parashu Ram Adhikari

Agriculture is a wider sector where 54% people are engaged and one-third GDP contributed to the nation. Due to diverse climatic regions, farmers grow different types of agricultural commodities and presence of different pests reduces their production and thus need to apply pesticides. Pesticide Registration and Management Division under the Department of Agriculture is a legal authority to register as well as restrict or ban certain pesticides used in the agricultural sector in Nepal. The paper also emphasizes how Nepal has doing pesticide reduction for the pest management in agriculture considering the food safety, animal and human health and environment protection. And it also focuses on the legal aspects on pesticide management and status of registered, restricted and banned pesticides in the context of neighboring countries and addresses to fulfill the obligations of the international convention related to pesticides and industrial chemicals.



Author(s):  
Seema Nambiar ◽  
Chang-Tien Lu

Mobile security and payment are central to m-commerce. The shift from physical to virtual payments has brought enormous benefits to consumers and merchants. For consumers it means ease of use. For mobile operators, mobile payment presents a unique opportunity to consolidate their central role in the m-commerce value chain. Financial organizations view mobile payment and mobile banking as a way of providing added convenience to their customers along with an opportunity to reduce their operating costs. The chapter starts by giving a general introduction to m-payment by providing an overview of the m-payment value chain, lifecycle and characteristics. In the second section, we will review competing mobile payment solutions that are found in the marketplace. The third section will review different types of mobile frauds in the m-commerce environment and solutions to prevent such frauds.



Author(s):  
Peter Townsend

This chapter explores how science and technology has revolutionized the sounds produced by different instruments. The main examples here are for the violin family and wind instruments. Some changes do not significantly alter the visual appearance, but allow different types of performance, more power, changes in tone, and totally new instruments (e.g. the saxophone). This has had an immense influence on composition, to exploit these new sounds, and of course an equally major swing in fashion from the audiences and players. Understanding of the science has been a key factor in the developments. Change is not always popular, and for example many players of early musical compositions believe they should be played with original sounding instruments and pitch. Unfortunately, the majority of audiences are now so accustomed to the new sounds that they find the earlier ones difficult to appreciate.



2019 ◽  
Vol 2019 (1) ◽  
pp. 000492-000502 ◽  
Author(s):  
T. Bernhard ◽  
L. Gregoriades ◽  
S. Branagan ◽  
L. Stamp ◽  
E. Steinhäuser ◽  
...  

Abstract A key factor for a high electrical reliability of multilayer High Density Interconnection Printed Circuit Boards (HDI PCBs) is the thermomechanical stability of stacked microvia interconnections. With decreasing via sizes and higher numbers of interconnected layers, the structural integrity of these interconnections becomes a critical factor and is a topic of high interest in current research. The formation of nanovoids and inhibited Cu recrystallization across the interfaces are the two main indications of a weak link from the target pad to the filled via. Based on TEM/EDX measurements on a statistically relevant number of stacked and blind microvias produced in the industrial field, different types of nanovoid phenomena are revealed at the Cu/Cu/Cu junction. The types of nanovoids were categorized relating to the time of appearance (before or after thermal treatment), the affected interfaces or layers and the impact on the Cu recrystallization. The main root causes for each void type are identified and the expected impact on the thermomechanical stability of the via junction is discussed.



2016 ◽  
Vol 33 (S1) ◽  
pp. S531-S531
Author(s):  
R. Almeida Leite ◽  
E. Conde ◽  
T. Queirós Santos ◽  
M. Almeida ◽  
T. Azevedo Santos ◽  
...  

IntroductionJealousy is a complex emotional state and some degree is considered normal in mature love, but when does it become destructive in a relationship? There's a thin line between what is normal and what is pathologic. Pathological jealousy differs from normal by its intensity and irrationality. Obsessive and delusional jealousies are different types of pathological jealousy, difficult to distinguish, which is important, since they have different treatment. Despite the differences, both result in significant distress and carry the risk of homicide/suicide, so it's a matter deserving the psychiatrists’ attention.ObjectiveExplore the psychopathological differences between obsessive and delusional jealousy and list the characteristics and difficulties in the approach to pathological jealousy.MethodsThe results were obtained searching literature included on the PubMed and Google Scholar platforms.ResultsDelusional jealousy is characterized by strong and false beliefs that the partner is unfaithful. Individuals with obsessive jealousy suffer from unpleasant and irrational jealous ruminations that the partner could be unfaithful, accompanied by compulsive checking of partners’ behavior. This jealousy resembles obsessive-compulsive phenomenology and should be treated with SSRIs and cognitive-behavioral therapy. Delusional jealousy is a psychotic disorder and should be treated with antipsychotics.ConclusionThe common issue in pathological jealousy is the problem of adherence to treatment and bad prognosis. In order to achieve better treatment outcomes, we should follow-up the patient regularly. One key factor is to explore the psychopathology and motivate the sufferer for the proper pharmacological and psychotherapeutic interventions, trying to reduce the suffering caused by ideas of unfaithfulness.Disclosure of interestThe authors have not supplied their declaration of competing interest.



2013 ◽  
Vol 756-759 ◽  
pp. 4612-4615
Author(s):  
Z.X. Meng ◽  
D.H. Miao ◽  
Z.M. Wang ◽  
Y.J. Qi

Through analysis of water cleaning trajectory in a railway tanker, a mathematical model of cleaning process is set up. Then the actual cleaning trajectories are obtained, and cleaning rate of high pressure water cleaning to the railway tanker is analyzed. Simulations and experiments show that much water is saved and it also has a great significance to improve the cleaning efficiencies of cleaning device.



2017 ◽  
Vol 45 (1) ◽  
pp. 78-100 ◽  
Author(s):  
Marcos Degaut

Why some democratic revolutions succeed while others fail? The scholarly community has sought to address this issue from various perspectives, from rational choice approaches to collective action theories. Too little attention, however, has been paid to analyzing the role of the military. By discussing the different types of interactions played by the military in five cases of successful democratic revolutions—the 1910 Portuguese Republican Revolution, the 1958 Venezuelan Revolution, the 1960 April Revolution in South Korea, the 1989 Velvet Revolution in Czechoslovakia, and the 2000 Bulldozer Revolution in Yugoslavia—and three cases of failed revolutions, the 1905 bourgeois-liberal revolution in Russia, the 1989 Tiananmen Square Protests in China, and the 2016 Turkey’s coup attempt, this study finds out that the key factor in determining their outcome is the army’s response and that the military backing is a necessary condition for a democratic revolution to succeed.



2015 ◽  
Vol 236 ◽  
pp. 239-246 ◽  
Author(s):  
Małgorzata Pawlak

Recent years of the growing concerns over ship emissions have driven policy changes at the international level toward more stringent marine vessels emission standards, mainly SOx and NOx. This has also been a key factor for innovation in marine technologies leading to decrease these emissions. LNG as fuel is one of the solutions as this results in the elimination of SOx emissions, and significant reduction of NOx, CO2 and particulate matter (PM) emissions, when comparing to the emissions from a typical vessel powered by marine diesel oil. This paper analyses environmental benefits of LNG-fuelled marine engines in the light of investment and operating costs, as well as the perspectives of the infrastructure development.



2014 ◽  
Vol 1006-1007 ◽  
pp. 83-87
Author(s):  
Zhong Guo Wang ◽  
Guang Yu Zhang ◽  
Yi Qing Li ◽  
De Kai Zhou ◽  
Wen Ping Song

Layered injection commissioning technology has become a key factor to the oil production. For different types of formations, the paper analyzes the absorbent law in different homogeneous formations with different boundary conditions. The paper also creates a composite reservoir model, and then describes changes of absorbent law under coupling effect. The method to do all of the above work is to solve the equation of dimensionless bottomhole pressure in different formation and boundary conditions.



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