Suggested Topics within your search.
Suggested Topics within your search.
- Calculus 3
- Algebras, Linear 2
- Economics, Mathematical 1
- Electric circuit analysis 1
- Electric network analysis 1
- Geometry, Analytic 1
- Linear algebra 1
- Linear integrated circuits 1
- Linear systems 1
- MATHEMATICS / Mathematical Analysis 1
- Matrices and linear spaces 1
- Metric spaces 1
- Operational amplifiers 1
- Physics 1
- Regression analysis 1
- Social sciences 1
- Statistical methods 1
- Topological spaces 1
- Vector valued functions 1
- linear Algebra 1
-
9461
Liquid chromatography-high resolution mass spectrometry based analysis of persistent mobile organic compounds in aqueous samples: Method development and optimization
Published 2025-03-01“…The method achieved recoveries within 70–120 % and excellent linearity (r² > 0.997) for all analytes. Validated under European directives (2002/657/EC and SANTE 11,813/2017), the study offers a sensitive, reliable, and regulatory-compliant framework for PMOC monitoring in water systems. …”
Get full text
Article -
9462
Simultaneous Quantification of Six Bioactive Components in Decoction of Ziziphi spinosae Semen Using Ultrahigh Performance Liquid Chromatography Coupled with Triple-Quadrupole Mass...
Published 2018-01-01“…All the six compounds showed good linearities (r≥0.9996). The LODs of the six bioactive compounds were 0.039 ng/ml, 0.092 ng/ml, 3.112 ng/ml, 2.131 ng/ml, 0.099 ng/ml, and 0.071 ng/ml for spinosin, 6‴-feruloylspinosin, jujuboside A, jujuboside B, camelliaside B, and betulinic acid, respectively. …”
Get full text
Article -
9463
Pepper as a phytogenic additive in finishing lambs diets
Published 2025-02-01“…The intake of DM, crude protein (CP), organic matter (OM), and neutral detergent fiber (NDF) in g/day decreased linearly (P < 0.05). No effects (P > 0.05) were observed for the apparent digestibility of DM, OM, NDF, and ether extract. …”
Get full text
Article -
9464
Green Analytical Method for Simultaneous Determination of Glucosamine and Calcium in Dietary Supplements by Capillary Electrophoresis with Capacitively Coupled Contactless Conducti...
Published 2023-01-01“…The method illustrated good linearity over the concentration range of 5.00 to 200 mg/L of for glucosamine (R2 = 0.9994) and 1.00 to 100 mg/L for Ca2+ (R2 = 0.9994). …”
Get full text
Article -
9465
Quantification of Soluble or Insoluble Fractions of Leishmania Parasite Proteins in Microvolume Applications: A Simplification to Standard Lowry Assay
Published 2020-01-01“…This modified protein assay was sensitive for quantifying Leishmania proteins in a total crude extract or in a soluble fraction within the approximate range of 10–500 μg/ml (1–50 μg/assay) and showed a linearity between color intensity and concentration of the protein. …”
Get full text
Article -
9466
Rapid screening of 420 pesticide residues in fruits and vegetables using ultra high performance liquid chromatography combined with quadrupole-time of flight mass spectrometry
Published 2023-07-01“…The results showed that 420 pesticides had good linearity in the range of 0.1–100 μg/L, and the correlation coeffificients (R2) was greater than 0.990. …”
Get full text
Article -
9467
High-Capacity Real-Time Face Retrieval Recognition Algorithm Based on Task Scheduling Model for the Treatment Area of Hospital
Published 2021-01-01“…Based on the theoretical results of the greatly additive algebra, it is shown that the coherent qualifying function is linearly periodic, i.e., the function can be represented by a finite nonperiodic part and an infinitely repeated periodic part, thus calculating the coherent qualifying function independent of the magnitude of the interval time. …”
Get full text
Article -
9468
The Golden Afromontane ecosystems at cross-road: Wetland-based upstream-downstream linkage in Genale Dawa River Basin
Published 2025-01-01“…Results showed that: (1) LULC change occurred non-linearly in the GDRB, with agricultural land continuously increasing while forestland, woodland, and grassland decreased between 2005 and 2020; (2) the estimated ecosystem service value (ESV) of the GDRB was approximately US $10,360.28 million in 2005 and US $9033.06 million per year in 2020, indicating a decline of 12.81 %, resulting in a total net loss of US $1327.22 million from the basin. …”
Get full text
Article -
9469
Synthesis of the Magnetically Nanoporous Organic Polymer Fe3O4@SiO2-NH2-COP and Its Application in the Determination of Sulfonamide Residues in Surface Water Surrounding a Cattle F...
Published 2022-01-01“…Under the optimized conditions, the method conferred good linearity ranges (R2 ≥ 0.9990), low detection limits (S/N = 3, LOD, 0.10–0.25 μg·L−1), and satisfactory recoveries (79.7% to 92.2%). …”
Get full text
Article -
9470
Genetic Types and Main Control Factors of Microfractures in Tight Oil Reservoirs of Jimsar Sag
Published 2021-01-01“…When the stratum thickness was less than 2.5 m, the fracture space increased linearly with the stratum thickness, and when the stratum thickness was greater than 2.5 m, the fracture space remained constant. …”
Get full text
Article -
9471
Development and Validation of a LC/MS/MS Method for the Determination of Duloxetine in Human Plasma and Its Application to Pharmacokinetic Study
Published 2012-01-01“…Analyte and IS were extracted from human plasma by liquid-liquid extraction using MTBE-n Hexane (80:20).The eluted samples were chromatographed on X-terra RP8 (50 mmx4.6 mm, 5 μm particle size) column by using mixture of 30 mM ammonium formate (pH-5.0±0.05) and acetonitrile as an isocratic mobile phase at a flow rate of 0.40 mL/min and analyzed by mass spectrometer in the multiple reaction monitoring (MRM) using the respective m/z 298.08→154.0 for duloxetine and 310.02→148.07 for IS. The linearity of the response/ concentration curve was established in human plasma over the concentration range 0.100-100.017 ng/mL. …”
Get full text
Article -
9472
Economic Spectrofluorometric Bioanalysis of Empagliflozin in Rats’ Plasma
Published 2021-01-01“…The method was validated with satisfactory results for linearity (500–5000 ng/mL), trueness, precision, the matrix effect, and extraction recovery. …”
Get full text
Article -
9473
Development and Validation of an RP-HPLC Method for the Quantitative Analysis of Triclosan in Human Urine
Published 2023-01-01“…Validation of the method was performed according to the International Council for Harmonization of Technical Requirements for Pharmaceuticals for Human Use (ICH). Linearity was tested over a range of 0.00625 µg/mL to 6.4 µg/mL, as accuracy recorded a recovery of 89.25%, 91.0%, and 92.75%. …”
Get full text
Article -
9474
Displacement of hydrocarbon liquids by water using the models of zonally heterogeneous deformable formations
Published 2025-01-01“…In this paper, the averaging method and the Khristianovich function will be used to linearize the equations. To predict the well flow rate, an algorithm it is necessary to determine the noted reservoir parameters at any time. …”
Get full text
Article -
9475
Machine learning assisted prediction with data driven robust optimization: Machining process modeling of hard part turning of DC53 for tooling applications supporting semiconductor...
Published 2025-01-01“…Multiple artificial neural network (ANN) architectures are generated to accurately model the non-linearity of the process for better prediction of key characteristics. …”
Get full text
Article -
9476
A strategy to improve the adsorption capacity of OPs-dye pollutants from the aqueous environment using adsorbents based on 2D transition metal carbides (V2CTx)
Published 2024-12-01“…The obtained results also indicate that in addition to the cationic nature, other factors, such as the linearity of the molecular structures, the charge of the dye molecules, and the molecular mass of the tested pollutants, are effective in the adsorption process. …”
Get full text
Article -
9477
Aflatoxin B1: Challenges and Strategies for the Intestinal Microbiota and Intestinal Health of Monogastric Animals
Published 2025-01-01“…The negative impact of AFB<sub>1</sub> on the % change in average daily gain (ΔADG) of chickens and pigs was estimated based on meta-analysis: ΔADG (%)<sub>chicken</sub> = −0.13 × AFB<sub>1</sub> intake per body weight (ng/g·d) and ΔADG (%)<sub>pig</sub> = −0.74 × AFB<sub>1</sub> intake per body weight (µg/kg·d), indicating that increasing AFB<sub>1</sub> contamination linearly reduces the growth of animals. To mitigate the harmful impacts of AFB<sub>1</sub>, various dietary strategies have been effective. …”
Get full text
Article -
9478
Triglyceride Glucose Index Was a Predictor of 6-Month Readmission Caused by Pulmonary Infection of Heart Failure Patients
Published 2022-01-01“…Restricted cubic spline was fitted to explore the linearity of TyG index associating with 6-month readmission of HF patients. …”
Get full text
Article -
9479
Aeroacoustic Attenuation Performance of a Helmholtz Resonator with a Rigid Baffle Implemented in the Presence of a Grazing Flow
Published 2020-01-01“…Comparison is then made between the proposed design and the conventional one by considering a rectangular duct with the resonator implemented in the presence of a mean grazing flow. For this, a linearized 2D Navier-Stokes model in frequency domain is developed. …”
Get full text
Article -
9480
Sequential separation of anti-diabetic drugs in the presence of melamine as impurity using chromatographic methods
Published 2025-01-01“…Both methods were validated following the International Council for Harmonization (ICH) recommendations for assessing linearity, range, accuracy, precision, specificity, and robustness. …”
Get full text
Article