Practical Noise Model of an Active Electronically Scanning Array by Jian Mi, Kan Wang, Zhao Li, Hongbing Sun

“…In this model, an antenna array with a multistage combiner network is equivalent to a one-stage combiner network, thus the calculation of the noise figure is greatly simplified. …”
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Research on Creep Characteristics and the Model of Artificial Frozen Soil by Chaochao Zhang, Dongwei Li, Changtai Luo, Zecheng Wang, Guanren Chen

“…Based on the creep test results, a fractional-order constitutive model of frozen silt with sand was proposed. Comparing the calculated results with the tested ones, it is found that the proposed fractional-order model can simulate the properties of frozen silt with sand very well. …”
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The earth-fill dam state express investigation using mechanical vibrations produced by HPP by Galina Antonovskaya, Natalia Kapustian

“…We discuss two data processing possibilities: symphonious filter as the hardware one and power spectrum calculation as digital one. We consider the two case of earth-fill dams state investigations. …”
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Diversity of Mosquito Vectors (Diptera: Culicidae) in Caxiuanã, Pará, Brazil by Ulisses E. C. Confalonieri, Cristina Costa Neto

“…Diversity indices of Shannon and Berger-Parker were obtained, and indicators of dominance of species were calculated. The species Culex portesi was dominant in this site, representing about 84% of specimens. …”
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Mathematical Models of Gas in Hydropneumatic Accumulators Used in Numerical Tests of Drive Systems with Energy Recovery by Andrzej Kosiara

“…In this study, the gas models most frequently used in practice are presented and evaluated in terms of the accuracy in predicting the efficiency of energy recovery from a hydropneumatic accumulator; five different gas equations of state are assessed, as well as various methods for calculating the specific heat capacity at constant volume. …”
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Automatic Measurement Method of Slump Flow of Cement Paste Based on Dynamic Image Processing Technology by Shiqin He, Pengfei Gao, Chunyue Wang, Ding Nie, Hui Wang

“…Firstly, the cement paste flowability test video is divided into frames every 100 ms; secondly, based on the principle of perspective transformation, an automatic point selection method is proposed to correct the frame image to solve the problem of shooting angle; thirdly, the watershed algorithm based on distance transformation is used to segment the boundary of the cement paste area, and the slump flow is calculated according to the polar coordinates of the boundary; lastly, the relationship curve between slump flow and time is automatically output, and the slump flow at any time is obtained. …”
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Comparative biosorption study of Hg (II) using raw and chemically activated almond shell by AA Taha, AHE Moustafa, HH Abdel-Rahman, MMA Abd El-Hameed

“…The kinetic data had been divided into either pseudo first order or second order on the basis of the best fit obtained from calculations, confirmed by a test of kinetic validity. …”
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Behaviour and Failure of Steel Columns Subjected to Blast Loads: Numerical Study and Analytical Approach by Haitham Al-Thairy

“…The study also presents derivations and validations of a proposed analytical approach to calculate the critical blast impulse at which a steel column losses its global stability. …”
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Superconducting Gravimeter Calibration by CoLocated Gravity Observations: Results from GWR C025 by Bruno Meurers

“…The final calibration factor is calculated as weighted average over in total 9 JILAg and FG5 experiments with an accuracy of better than ±0.5‰. …”
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Numerical Simulation and Analysis of Cycloidal Gear Forming Grinding Temperature Field by Ke Qingxun, Deng Xiaozhong, Su Jianxin, Nie Shaowu, Hu Chenhui

“…Using theoretical analysis to calculate the grinding energy and heat distribution ratio in the process of grinding,using finite element method and the computer simulation software of cycloid gear form grinding temperature field distribution in the process of simulation,the tooth surface temperature with the change of grinding time and temperature field distribution in gear tooth surface are got. …”
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Methods of long-term planning of corporate financing by V. V. Prokhorov, I. P. Rozhnov

“…The study of the mentioned methods allowed us to propose a method of planning the bond interest rate, which calculates the weighted average of the forecast bond interest rate. …”
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Hambatan, kebutuhan dan ambivalensi reaksi terhadap kebijakan publikasi internasional di Indonesia by Rindi Ardika Melsalasa Sahputri, Bambang Santoso Haryono, Sujarwoto Sujarwoto

“…The instrument of ambivalence reaction are based on attitude toward change scale.Regression analysis was used to estimates the correlation, and interaction analysis was calculated to test the moderating effect. This study found that dispositional resistance to change’ personalitysignificantly correlated with ambivalence reaction.And the correlation was moderated by employee’s high trust in organization.However this study did not found a significance difference on low trust in management, dispositional resistance to change, and ambivalence. …”
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Optimization of Daylighting, Ventilation, and Cooling Load Performance of Apartment in Tropical Ocean Area Based on Parametric Design by Jianjian Zhang, Lin Ji

“…The octopus plug-in in grasshopper is used to calculate the target value iteratively, so as to find the relative optimal value of multiobjective. …”
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An Improved Dual-Kurtogram-Based T2 Control Chart for Condition Monitoring and Compound Fault Diagnosis of Rolling Bearings by Zhiyuan Jiao, Wei Fan, Zhenying Xu

“…The SK of Subband I and the ESK of Subband II are calculated to derive T2 statistics based on the covariance determinant. …”
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Occupational Health and Safety Practices in Small and Medium-Sized Enterprises in The Construction Sector and A New Model Proposal by Fatih ALTUNTAS, Redvan Ghasemlounıa

“…Subsequently, with 25 rules created using the fuzzy approach, the calculated average safety index was obtained at 5.69. …”
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GIS-Based Landslide Susceptibility Mapping Using Frequency Ratio and Shannon Entropy Models in Dejen District, Northwestern Ethiopia by Abinet Addis

“…The landslide susceptibility maps were produced by overlay the weights of all the landslide conditioning factors using raster calculator of the spatial analyst tool in ArcGIS 10.4. …”
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Numerical Optimization Method and Experimental Verification of Contact Strength of U-Joint Bearings by Niu Jie, Ye Lianqiang, Dong Xiaozhong, Gao Tianfen, Gu Fuxiang

“…It is believed that the support effect of the case should be considered in numerical calculation model of the U-joint bearing strength. Through the comparative analysis of multi-group crown and taper optimization under three kinds of needle diameters, it is found that the journal taper is most sensitive to the life of U-joint comparing to the needle crown height and needle crown length. …”
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Reliability Evaluation of Water-Rich Loess Tunnel with Lining Crack Based on Extension Theory by Xiaohui Xue, Jun Zhang, Xinxing Zhou

“…Combining the maximum eigenvalue with checking consistency, the weight coefficients of 5 factors were calculated. A probabilistic statistic method and comparison of specification are performed to confirm the validity of extension theory in reliability evaluation. …”
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Comparing student mobility pattern models by Marie-Louise Litmeyer, Philipp Gareis, Stefan Hennemann

“…The application of these models to student mobility provides the opportunity to calculate reliable forecasts of student mobility flows at the micro level, make medium- to long-term decisions at the university level, and implement sustainable strategic orientation. …”
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INTEGRATION PROCESSES ON CIVIL SERVICE REFORM IN THE EURASIAN SPACE by G. A. Borshevskiy

“…A number of values were first calculated by the author. The work is intended to become the basis for a broad international research on the development of civil service, which is the central mechanism for implementation the integration in the post-Soviet space.…”
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