Global Pollution of Surface Waters from Point and Nonpoint Sources of Nitrogen by G. van Drecht, A.F. Bouwman, J.M. Knoop, C. Meinardi, A. Beusen

“…For nonpoint N sources (agricultural and natural ecosystems), calculations are based on local hydrology, climate, geology, soils, climate and land use combined with data for 1995 on crop production, N inputs from N fertilizers and animal manure, and estimates for ammonia emissions, biological N fixation, and N deposition. …”
Get full text

Pokój jako wartość by Mirosław Karwat

“…It is precisely such questions that are key to analysing the motivations, intentions, calculations and decisions made by politicians. …”
Get full text

Experimental and numerical study on vibration-based damage detection and localisation in laminated composite plates by Saeesh Verenkar, I. Sridhar, Vinayak S. Uppin, P. S. Shivakumar Gouda

“…Finite Difference Method has been employed to calculate the derivatives, and a novel damage index (DI) is proposed to enhance damage localization capabilities. …”
Get full text

A Coupled Novel Green Element and Embedded Discrete Fracture Model for Simulation of Fluid Flow in Fractured Reservoir by Linsong Cheng, Xulin Du, Renyi Cao, Zhikai Wang, Junjie Shi

“…Consequently, the modified hybrid model can indeed calculate the pressure and flux distribution of transient flow in multifracture porous media. …”
Get full text

Development of Absorbed Blasting Vibration Energy Index for the Evaluation of Human Comfort in Multistorey Buildings by Qiang Yao, Xingguo Yang, Hongtao Li

“…According to the characteristics of human body’s response to vibrations of different frequencies, the frequency-based weighting method of ABVE index has been simplified. By calculating the combined effect of vibrations from all directions, the total human body ABVE and its frequency components at different floors of the building can be determined accurately. …”
Get full text

Forecasting >300 MeV SEP Events: Extending SPARX to High Energies by C. O. G. Waterfall, S. Dalla, M. S. Marsh, T. Laitinen, A. Hutchinson

“…One of these models is the Solar Particle Radiation SWx (SPARX) system, a physics‐based forecasting tool that calculates >10 and >60 MeV flux profiles within minutes of a flare being detected. …”
Get full text

Mathematical modeling of velocity and accelerations fields of image motion in the optical equipment of the Earth remote sensing satellite by S. Yu. Gorchakov

“…The motion parameters of the Earth’s surface were calculated based on the Standards of Fundamental Astronomy software library.Results. …”
Get full text

Hyperspectral Anomaly Detection Based on Intrinsic Image Decomposition and Background Subtraction by Jiao Jiao, Longlong Xiao, Chonglei Wang

“…Then, the pure spectral information in the reflection component of the hyperspectral image is obtained by the intrinsic image decomposition, and the adaptive weight map is calculated on the reflectance image by the spectral angle distance. …”
Get full text

Determination of Proper Disposal Method for Waste Casting Sands by Cost Analysis: Bursa Sample by Melike Yalılı Kılıç, Murat Tüylü

“…The cost of disposal, including the transportation of waste foundry sand to the landfill site is calculated at 851.989 TL (163.844 $), in case it is sent to cement factory it is 1.097.620 TL (211.081 $), and if it is sent to asphalt plant facilities, it costs 35.431 TL (6.814 $). …”
Get full text

Forecasting of Surface Currents via Correcting Wind Stress with Assimilation of High-Frequency Radar Data in a Three-Dimensional Model by Lei Ren, Stephen Nash, Michael Hartnett

“…The differences in surface velocity components between HF radar measurements and model output were calculated and used to correct surface shear stresses. …”
Get full text

OsteoNet—A Framework for Identifying Osteoporosis in Bone Radiograph Images Using Attention-Based VGG Network by Abdul Wahab Muzaffar, Farhan Riaz, Muhammad Tahir

“…Channel attention is applied by calculating the mean and variance across channels, followed by a softmax operation to highlight essential features in the channel. …”
Get full text

Field performance evaluation and economic analysis of an electric cabbage harvester suitable for small farms by Pranay Sarkar, Hifjur Raheman, Arjya Utkalini Sahoo

“…The break-even point of the developed cabbage harvester was calculated as 6.43 ha/year. Graphical Abstract…”
Get full text

Risk Assessment of Annular Pressure Caused by Tubing Leakage in Offshore Gas Wells with High CO2 by Ninghui Dou, Zhiqiang Hu, Zhiyuan Wang, Hanpin He, Shunhui Yang

“…Taking case well parameters as an example, after inversion calculation, the annulus pressure in case well was 23.0 MPa, the leakage point equivalent diameter was 2.3 mm, the maximum leakage rate was 0.30 m3/min, and the wellbore safety risk is relatively high. …”
Get full text

Inability to perform the five-chair stand test predicts increased risk of sarcopenia in nursing home residents by Martin Šporin, Dorjana Zerbo Šporin

“…Relative risk with a 95% confidence interval was calculated to assess the difference in risk for sarcopenia between the complete rises and the incomplete rises group. 37% of participants were diagnosed as sarcopenic, of whom approximately half were unable to complete the 5-chair stand test. …”
Get full text

Stability Analysis and Simulation of Diffusive Vaccinated Models by Mohammed M. Al-Shamiri, N. Avinash, P. Chellamani, Manal Z. M. Abdallah, G. Britto Antony Xavier, V. Rexma Sherine, M. Abisha

“…Equilibria are identified, and the basic reproductive number is calculated. The Banach contraction mapping principle is applied to rigorously establish the solution existence and uniqueness. …”
Get full text

The persistence of very low correlations between NIH research funding and disease burdens by Ashley J.R. Carter, Milena Gevorkian

“…Study design: Coefficients of relatedness for the linear relationships between funding and disease burden for 27 medical conditions over a period exceeding twenty years were calculated. Methods: Publicly available data from 2009 to 2019, and previously published data from 1994 to 2004, was obtained to compare disease-specific research funding from the NIH to burden of disease values (mortality, prevalence, incidence, DALYs, and YLLs) for 27 diseases. …”
Get full text

Primary quantum thermometry of mm-wave blackbody radiation via induced state transfer in Rydberg states of cold atoms by Noah Schlossberger, Andrew P. Rotunno, Stephen P. Eckel, Eric B. Norrgard, Dixith Manchaiah, Nikunjkumar Prajapati, Alexandra B. Artusio-Glimpse, Samuel Berweger, Matthew T. Simons, Dangka Shylla, William J. Watterson, Charles Patrick, Adil Meraki, Rajavardhan Talashila, Amanda Younes, David S. La Mantia, Christopher L. Holloway

“…This represents a calibration-free SI-traceable temperature measurement, for which we calculate a systematic fractional temperature uncertainty of 0.006, corresponding to 2 K at room temperature when used as a primary temperature standard.…”
Get full text

Wear Investigation of Aluminum Alloy Surface Layers Fabricated through Friction Stir Welding Method by S. Vijayakumar, S. Anitha, R. Arivazhagan, Ashebir Dingeto Hailu, T. V. Janardhana Rao, Hari Prasadarao Pydi

“…The experimental works are conducted on Pin on Disc (POD) apparatus and measured the weight of samples before and after test for calculating wear rate (WR) and then various analyses are performed such as ANOVA, interaction plot between parameters, and regression model with support of MINITAB software. …”
Get full text

Predicting the Adsorption Efficiency Using Machine Learning Framework on a Carbon-Activated Nanomaterial by Kalapala Prasad, V. Ravi Kumar, R. Suresh Kumar, A. S. Rajesh, Anjani Kumar Rai, Essam A. Al-Ammar, Saikh Mohammad Wabaidur, Amjad Iqbal, Dawit Kefyalew

“…The adsorption effectiveness of paracetamol on carbon-activated nanoparticle was calculated using experimental results. Thus, by using machine learning framework, the adsorption efficiency of paracetamol on a carbon-activated nanomaterial was predicted.…”
Get full text

NON-INVASIVE FAULT DIAGNOSIS OF GEARBOX CRACK IN ELECTROMECHANICAL DRIVE SYSTEM BASED ON STATOR CURRENT SIGNAL ANALYSIS OF THREE-PHASE AC ASYNCHRONOUS MOTOR by BAI GuoZhen, WANG Lu, LI BingChu, WANG ShuangYuan

“…First, establish a motor-gear-load electromechanical coupling model, and use the potential energy method to calculate the variable meshing stiffness of the gear under different crack lengths and angles; Then, the electromechanical coupling model is numerically solved by Runge-Kutta method to analyze the dynamic response of motor current under the influence of time-varying meshing stiffness. …”
Get full text