Model of pipeline vibrations during unauthorized exposure by A. A. Fedotov, R. A. Akhmedzhanov, A. A. Pyatkov

“…The adequacy of the proposed solution is estimated by comparing the calculated signal with the empirical one. …”
Get full text

Growing Pomegranates in Florida: Establishment Costs and Production Practices by Feng Wu, Zhengfei Guan, Gary E. Vallad

“…The study described in this 6-page fact sheet written by Feng Wu, Zhengfei Guan, and Gary Vallad and published by the UF/IFAS Food and Resource Economics Department provides a description of pomegranate production practices and preliminary cost estimates to inform investment and production decisions when growers look to diversify and grow pomegranate as a niche crop. …”
Get full text

Approaches to depreciation of investment production by E. Bogomolova, A. Kozlovsky, N. Moiseenko

“…In article some key questions are considered, allowing to solve a problem of investment activity and management of expenses from two interconnected positions - depreciation of investment production and creation of additional conditions for interest of investors in long-term investments. The estimation of the developed investment situation is given, principal causes of decrease in investment activity are revealed. …”
Get full text

Analytical Approximant to a Quadratically Damped Duffing Oscillator by Alvaro H. Salas S

“…The approximant allows estimating the points at which the solution crosses the horizontal axis.…”
Get full text

Actual problems of studying of history of Kursk fight by A. V. Isayev

“…In article the author addresses to debatable problems of a domestic and foreign historiography of fight near Kursk, pushes together opinions of military historians with memoirs certificates and estimates of battles of World War II of commanders confronting on fields, refers to new documents, defending the judgments. …”
Get full text

On the H.-Q. Li inequality on step-two Carnot groups by Zhang, Ye

“…In this note we show that the gradient estimate of the heat semigroup, or more precisely the H.…”
Get full text

Stability of a Second Order of Accuracy Difference Scheme for Hyperbolic Equation in a Hilbert Space by Allaberen Ashyralyev, Mehmet Emir Koksal

“…The second order of accuracy difference scheme for the approximately solving this initial-value problem is presented. The stability estimates for the solution of this difference scheme are established.…”
Get full text

An Efficient Collocation Method for the Numerical Solutions of the Pantograph-Type Volterra Hammerstein Integral Equations and its Convergence Analysis by Hashem Saberi Najafi, Sayed Arsalan Sajjadi, Hossein Aminikhah

“…The convergence of the presented method has been analyzed by over estimating for error. Finally, some illustrative examples are given to test the accuracy of the method. …”
Get full text

Master-Slave Synchronization of Chaotic Φ6 Duffing Oscillators by Linear State Error Feedback Control by Ke Ding

“…Compared with some existing methods and results, this paper estimates the bound of the first trajectory (variable) of the controlled slave system and uses this bound to derive synchronization criteria for two chaotic Φ6 Duffing oscillators. …”
Get full text

TO A QUESTION OF DEVELOPMENT OF THE MAIN DIRECTIONS OF OPTIMUM POLICY OF BANK by A. Zinchenko

“…The analysis of the expected profitability of security in a problem of formation of the optimum investment portfolio acts as an example of estimation. Results of comparative assessment of the expected profitability of stocks of two companies are given by various methods.…”
Get full text

Semileptonic Decays of B(Bs) to Light Tensor Mesons by Reza Khosravi, S. Sadeghi

“…Considering the quark condensate contributions, the relevant form factors of these transitions are estimated. The branching ratios of these channel modes are also calculated at different values of the continuum thresholds of the tensor mesons and compared with the obtained data for other approaches.…”
Get full text

Source attribution of human Campylobacter infection: a multi-country model in the European Union by Cecilie Thystrup, Maja Lykke Brinch, Clementine Henri, Lapo Mughini-Gras, Lapo Mughini-Gras, Eelco Franz, Kinga Wieczorek, Montserrat Gutierrez, Deirdre M. Prendergast, Geraldine Duffy, Catherine M. Burgess, Declan Bolton, Julio Alvarez, Julio Alvarez, Vicente Lopez-Chavarrias, Thomas Rosendal, Lurdes Clemente, Ana Amaro, Aldert L. Zomer, Katrine Grimstrup Joensen, Eva Møller Nielsen, Gaia Scavia, Magdalena Skarżyńska, Miguel Pinto, Mónica Oleastro, Wonhee Cha, Amandine Thépault, Katell Rivoal, Martine Denis, Marianne Chemaly, Tine Hald

“…Both models showed that most cases could be attributed to domestic sources in each country (baseline: 248/273 cases, 91%; down-sampled: 361/535 cases, 67%;).DiscussionThe sample sizes per source and the variety of sources included in the model influence the accuracy of the model and consequently the uncertainty of the predicted estimates. The attribution estimates for sources with a high number of samples available tend to be overestimated, whereas the estimates for source with only a few samples tend to be underestimated. …”
Get full text

Seroprevalence of dengue, Zika, and chikungunya in São Sebastião, Brazil (2020–2021): a population-based survey by Tayane Nobre, Andre Luiz Dutra Fenner, Emerson Luiz Lima Araújo, Wildo Navegantes de Araújo, Emmanuel Roux, Pascal Handschumacher, Helen Gurgel, Bruno Dallago, Mariana Hecht, Luciana Hagström, Walter Massa Ramalho, Nadjar Nitz

“…Advancing age and lower education were associated with higher exposure to arboviruses (p < 0.05). The estimated number of urban arboviral infections was 84 times higher than reported cases. …”
Get full text

Outcome evaluation and cost-effectiveness analysis for an integrated multidisciplinary diabetic limb salvage program: a combined observational and simulation study by Yan Sun, Xiaoli Zhu, Jaime Lin, John Abisheganaden, Zhiwen Joseph Lo, Lixia Ge, Joseph Molina, Elaine Tan, Huiling Liew, Jeremy Hoe, Gary Ang, Kai Qiang Low, Theophilus Yap, Nur Aberleen Syafirah Binte Azmi, Enming Yong, Tiffany Chew, Hui Yan Koo, Chelsea Law, Dexter Yak Seng Chan, Claris Shi, Julia Choo, Wai Han Hoi, Sadhana Chandraskear, Jo Ann Lim, Jemes Siow, Sabariah Binte Kaspon, Subramaniam Tavintharan, Daniel Chew

“…One-to-one propensity score matching (PSM) with replacement was conducted to estimate the treatment effect of the program on clinical outcomes and healthcare utilization over 1 year. …”
Get full text

FLUID DYNAMIC STUDY USING RTD IN A PACKED REACTOR AND EVALUATING FLOW PATTERN MODELS ON THE CHEMICAL CONVERSION. AN APPROACH TO REAL BEHAVIOR by KLAUS SERNY, MILEXI PACHECO

“…Additionally, using flow pattern models was estimated the chemical conversion with greater approximation to the experimental value. …”
Get full text

Stability of Nonlinear Autonomous Quadratic Discrete Systems in the Critical Case by Josef Diblík, Denys Ya. Khusainov, Irina V. Grytsay, Zdenĕk Šmarda

“…In addition to the stability investigation, we also estimate stability domains.…”
Get full text

On the Norm of Certain Weighted Composition Operators on the Hardy Space by M. Haji Shaabani, B. Khani Robati

“…We obtain a representation for the norm of certain compact weighted composition operator 𝐶𝜓,𝜑 on the Hardy space 𝐻2, whenever 𝜑(𝑧)=𝑎𝑧+𝑏 and 𝜓(𝑧)=𝑎𝑧−𝑏. We also estimate the norm and essential norm of a class of noncompact weighted composition operators under certain conditions on 𝜑 and 𝜓. …”
Get full text

Blowup Analysis for a Nonlocal Diffusion Equation with Reaction and Absorption by Yulan Wang, Zhaoyin Xiang, Jinsong Hu

“…For the blowup solutions, we also study the blowup rate estimates and the localization of blowup set. Moreover, we show some numerical experiments which illustrate our results.…”
Get full text

Research of operation of electrotechnical complexes of electric centrifugal pumps units for variations in external temperature effects by R. N. Khamitov, V. V. Anikin, V. Z. Kovalev, A. O. Paramzin

“…It is also proposed to build an electromechanical system with an adjustable submersible electric motor with a subblock of parameter identification and a block for the estimation of state variables. This will allow considering external temperature influences during the control.…”
Get full text

The Effect of Gainesville's Urban Trees on Energy Use of Residential Buildings by Francisco Escobedo, Jennifer A. Seitz, Wayne Zipperer

“…Seitz, and Wayne Zipperer, summarizes the results of a study to estimate urban tree heating and cooling effects on residential buildings in Gainesville, Florida. …”
Get full text