Determination of Total Boron in Soil by Alkaline Fusion-Inductively Coupled Plasma Mass Spectrometry by Jia-shu CHEN, Xiong XIONG, Jin-mei DUAN, Ying-lin CHEN, Jia-jun JIANG, Hong-hui ZHU

“…The traditional methods of boron determination mainly include spectrophotometry, titration and electrochemical method, etc. …”
Get full text

Determination of L-Ergothioneine in Cosmetics Based on Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry by Li Liu, Lei Sun, Sufang Fan, Junmei Ma, Yi Wang, Qiang Li, Zhengyang Song, Yong Sun, Yan Zhang

“…A new method was developed for the identification and determination of L-ergothioneine in cosmetics based on ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). …”
Get full text

Spectrophotometric Determination of Bismuth(III) with Arsenazo(III) Reagent in Water samples and Veterinary Preparation by Baghdad Science Journal

“…A simple , sensitive and accurate spectrophotometric method for the trace determination of bismuth (III) has been developed .This method is based on the reaction of bismuth (III) with arsenazo(III) in acid solution (pH=1.9) to form a blue water soluble complex which exhibits maximum absorption at 612nm .Beer's law is obeyed over the concentration range of 2-85 ?…”
Get full text

Determination of First Arrival Wave Type of Microseismic Signals and Approach to Wave Velocity Correction by GuangDong Song, JiuLong Cheng, BinXin Hu, Feng Zhu, Hua Zhang, TongYu Liu, Tong Sun, Kenneth T. V. Grattan

“…At the same time, owing to the influence of system noise, the first arrival time and the arrival time difference values of the signals obtained cannot easily be determined accurately. The propagation model for the microseismic signals experienced and the discrimination method used to determine the first arrival wave type can be established using knowledge of the spatial geometry between the sensors used and the seismic source. …”
Get full text

Quantitative Determination of Ivermectin in Raw Milk Using Positive ESI LC-MS/MS by Meenakshi Dahiya, Shanta Sen, Kiran Lamba, Manjeet Aggarwal, R. K. Khandal

“…The method was found to be linear in the range of 1.0 ng/mL to 100.0 ng/mL with correlation coefficient of 0.9992 for pure calibration curve and 0.9990 for the matrix- matched calibration curve. …”
Get full text

Investigation of influence of objective function valley ratio on the determination error of its minimum coordinates by A. V. Smirnov

“…A valley is a region of an objective function landscape in which the function varies along one direction more slowly than along other directions. In order to determine the error of the objective function minimum location in such regions, it is necessary to analyze relations of valley parameters.Methods. …”
Get full text

Optimization of pretreatment conditions for determination of ethyl carbamate content in cheese by GC-MS/MS by LIANG Jianying, TANG Shuo, LIU Lijun, XIE Ruilong, GAO Yujie, HU Xue, LI Cuizhi, LV Zhiyong

“…In this study, an external standard quantitative method for the determination of ethyl carbamate content in cheese by GC-MS/MS was established, the pretreatment conditions of the sample were optimized, and the methodology of the detection method was investigated. …”
Get full text

Determinants of Financial Performance with Earnings Management as a Mediating Variable in Conventional Commercial Banks by Ahsanul Hadi Amin, Endah Susilowati, Dwi Suhartini

Get full text

Determination of Relationship Between the Empathic Tendency Levels and Thinking Styles of Preschool Teacher Candidates by Metin YAŞAR, Ahmet EROL

“…The data acquired in the study were analyzed by using the statistical methods of percentage, frequency, arithmetic mean, t-test, ANOVA, Pearson Product-Moment Correlation Coefficient and Linear Regression with the help of the SPSS package software. …”
Get full text

Determination of the Activity of an Experimental Anti-choleric Immunoenterosorbent <i>in Vitro</i> in Dot-immunoanalysis by M. V. Ovchinnikova, E. G. Abramova, M. N. Kireev, T. Yu. Kirillova, N. A. Sharapova, V. V. Rogozhin

“…Developed methodical approaches to indirect DIA conduction with S. aureus protein A based diagnosticum and colloidal gold nanoparticles can be used for determination of antitoxic activity level of immunoglobulins and experimental immunoenterosorbent. …”
Get full text

Hollow Fiber–Supported ZIF-8@GO Reinforced Sol–Gel for Preconcentration of Paraquat Before Determination by UV-Vis Spectrophotometry by Narges Vaezi, Naser Dalali

“…A novel, sensitive, and efficient method was developed for the determination of paraquat in soil samples, centered on solid-phase microextraction using hollow fiber–supported ZIF-8@GO reinforced sol–gel combined with UV-Vis spectrophotometry at 257 nm. …”
Get full text

Determination of High Content of Molybdenum in Molybdenum Ore by Emission Spectrometry with Solid Sampling Technique by Xinwei GUO, Kun LI, Zhihong HAO, Jianzhen YAO, Jinli XU, Jinfeng BAI

“…The reference curve equation is y=−0.077x2+1.3077x+1.2725, with a coefficient of determination (R2) of 0.999 (Fig. E.1）.　　…”
Get full text

On the Inverse Problem of the Fractional Heat-Like Partial Differential Equations: Determination of the Source Function by Gülcan Özkum, Ali Demir, Sertaç Erman, Esra Korkmaz, Berrak Özgür

“…The study in this paper mainly concerns the inverse problem of determining an unknown source function in the linear fractional differential equation with variable coefficient using Adomian decomposition method (ADM). …”
Get full text

Research on the Diffusion of Vs55 Permeability in Rat Kidneys Based on Computer Tomography by Liu Ke, Xu Yi, Feng Haikao, Dang Hangyu, Yang Guoliang, Li Xin

“…In this study, computer tomography (CT) was used as a non-invasive imaging method to determine the effective diffusion of Vs55 in tissue-engineered collagen scaffolds, and the effective diffusion constant (Deff) was calculated by the theoretic model. …”
Get full text

Influence of scale effect on flow field offset for ships in confined waters by ZhongXin Ma, Nan Ji, Qian Zeng, XiaoBing Deng, Cong Shi

“…This proves the feasibility of the numerical and grid division methods. The self-propulsion point of the full-scale ship at Fr=0.108 is determined. …”
Get full text

Moving Front Solution of the Reaction-Diffusion Problem by Evgeny A. Antipov, Vladimir T. Volkov, Natalia T. Levashova, Nikolay N. Nefedov

“…In this case the analytical method is an essential component  of the  study.   …”
Get full text

Ion-Pair Complex of Trimethoprim with Alizarin Yellow and its Determination and Extraction by LLE and DLLME by Araf I. Jabbar, Mohammed Z. Thani, Ali I. Khaleel

“…Under the ideal conditions, the procedures were linear in the range of 2–45 and 1-10 mg/L, with a coefficient of determination (R2) of 0.9961 and 0.9992 for LLE and DLLME, respectively. …”
Get full text

Effectiveness of Self-determination Training Program on Social Self-efficacy in Adolescents with Visual Impairment by Razieh Ghanbari Sheikh Shabani, Mohammad Ashori

“…Another suggestion is to use a random method for sampling. In different schools, self-determination program training can be used for adolescents and adults to strengthen their social .self-efficacy…”
Get full text

Prediction and optimization of hardness in AlSi10Mg alloy produced by laser powder bed fusion using statistical and machine learning approaches by İnayet Burcu Toprak

“…Among the models, SVM achieved the highest coefficient of determination (R2 = 0.73). This study highlights the importance of integrating Machine Learning and statistical analysis methods for the effective modeling and optimization of LPBF processes. …”
Get full text

Theoretical Model for Circular Concrete-Filled Steel Tubes Reinforced with Latticed Steel Angles Under Eccentric Loading by Zhongpei Li, Jun Wang

“…Previous experimental studies have demonstrated that the incorporation of steel angles substantially improves both the axial capacity and ductility of CFST-LSA columns. Existing methods for determining the eccentric bearing capacity of CFST-LSA columns primarily rely on the normalized <i>N</i>/<i>N</i>_u-<i>M</i>/<i>M</i>_u interaction curve. …”
Get full text