LPTA: Location Predictive and Time Adaptive Data Gathering Scheme with Mobile Sink for Wireless Sensor Networks by Chuan Zhu, Yao Wang, Guangjie Han, Joel J. P. C. Rodrigues, Jaime Lloret

“…In this paper, we introduce a sink location prediction principle based on loose time synchronization and deduce the time-location formulas of the mobile sink. According to local clocks and the time-location formulas of the mobile sink, nodes in the network are able to calculate the current location of the mobile sink accurately and route data packets timely toward the mobile sink by multihop relay. …”
Get full text

A comparative study of LQU and LQFI in general qubit-qutrit axially symmetric states by M. A. Yurischev, Saeed Haddadi, Mehrdad Ghominejad

“…As an application of the derived formulas, we study the behavior of these two quantum correlation measures at thermal equilibrium. …”
Get full text

Response Analysis of Deep Foundation Excavation and Dewatering on Surface Settlements by Xian Li, Tingguo Zhou, Yixian Wang, Junling Han, Yanqiao Wang, Fang Tong, Delong Li, Jinmei Wen

“…Taking a deep foundation pit of a metro station as an example, surface settlement estimations were calculated by analytical formulas and numerical models. The settlement results by analytical formulas under excavation and dewatering conditions were added linearly to the total settlements. …”
Get full text

Analysis of Air Gap Magnetic Field and Torque of the Slotted-type Magnetic Couplers by Yang Chaojun, Ding Yifei, Tai Jiangxi, Zhu Jiwei, Hang Tian, Yang Fan

“…According to the alternating arrangement characteristics of yoke teeth and the conductor and the vector magnetic potential formulas in yoke teeth and the copper conductor disk are deduced respectively. …”
Get full text

Effect of Structural Parameter on Stiffness of Parallel Two-axis Straight Circular Flexible Hinge by Li Cheng, He Tao, Chen Guoyu, Wang Chuanli, Jiang Hao, Ji Chenguang

“…According to Hooke's law，the calculating formulas of elongation and tensile stiffness for tension-compression deformation are obtained，and the flexure hinge under different structural parameters is also calculated. …”
Get full text

Flapless and Conjunctiva-Sparing Technique for Transscleral Fixation of Intraocular Lens to Correct Refractive Errors in Eyes without Adequate Capsular Support by Wei Lou, Ziang Chen, Yang Huang, Haiying Jin

“…IOL power was calculated by SRK/T, Holladay 1, and Hoffer Q formulas. Results. The mean age was 57.39 ± 14.83 years (range: 26 to 79 years), and the mean follow-up was 7.46 ± 6.42 months (range: 1 to 24 months). …”
Get full text

Structure Design and Deflection Analysis of the New Large Deflection Lamina Emergent Joints by Liu Qingling

“…The correctness of the bending equivalent stiffness formulas is verified. The performances of OSD-LEJ, IOSD-LEJ and large deformation OD-LEJ in the literature with the same feature size are compared and analyzed. …”
Get full text

Nutrient Stimulation of Indigenous Microorganisms for Oil-in-Water Emulsion in a Medium Temperature Petroleum Reservoir with Ca2+-Rich Brine by Guoxin Shi, Yuanyuan Jia, Lei Bai, Guoqiang Li, Xiaoli Liu, Meichen Liu, Xuecheng Dai, Xuefeng Tian, Hongbo Wang, Ting Ma

“…Illumina MiSeq sequencing of 16S rRNA genes was applied to investigate the structural response of microbial communities to various formulas. The results showed that the addition of proper organic phosphorus and the optimal P/N ratio (0.01) can facilitate production of biosurfactant and create stable o/w emulsion with specific reservoir condition containing Ca2+-rich brine, through direct stimulation of certain functional microbes. …”
Get full text

Dynamics in a Delayed Neural Network Model of Two Neurons with Inertial Coupling by Changjin Xu, Peiluan Li

“…An illustrative example is given to demonstrate the effectiveness of the obtained results.…”
Get full text

Approximate Analysis on a Wide Angle Biconical Antenna by Lin Changlu

“…The theoritical analyses are in agreement with experimental results.…”
Get full text

Gaussian Estimation of One-Factor Mean Reversion Processes by Freddy H. Marín Sánchez, J. Sebastian Palacio

“…This approach makes use of Euler-Maruyama scheme to approximate the continuous-time model and build a new process discretized. The closed formulas for the estimators are obtained. Using simulated data series, we compare the results obtained with the results published by other authors.…”
Get full text

On the spectrum of the negative Laplacian for general doubly-connected bounded domains by E. M. E. Zayed, A. I. Younis

“…Moreover, asymptotic expressions for the difference of eigenvalues related to impedance boundary value problems with different impedances are derived. Further results may be obtained.…”
Get full text

Sectional and Ricci Curvature for Three-Dimensional Lie Groups by Gerard Thompson, Giriraj Bhattarai

“…Formulas for the Riemann and Ricci curvature tensors of an invariant metric on a Lie group are determined. …”
Get full text

Revisiting classical concepts of Linear Elastic Fracture Mechanics - Part II: Stretching finite strips weakened by single edge parabolically-shaped notches by Christos F. Markides, Stavros K. Kourkoulis

“…Closed form, full-field formulae are obtained for the stresses all over the notched strip. …”
Get full text

Prediction of Punching Capacity of Slab-Column Connections without Transverse Reinforcement Based on a Backpropagation Neural Network by Jie Bu, FanZhen Zhang, Meng Zhu, Zhiyang He, Qigao Hu

“…Finally, the model is verified using a case study and the Matlab program. The results show that the average error of the formulas in the Chinese, American, and European standards are 21.08%, 30.21%, and 11.47%, respectively, higher than that of the BPNN model.…”
Get full text

Earth Pressure of Three-Dimensional Stress States under Different Strength Criteria and Its Application by Yu Zhang, Jin Liu, Te-Jia Fan, Chen-Yang Xu, Tian-Yi Meng, Yang Zhao, An Su

“…To solve the Earth pressure problems in practical engineering, such as retaining walls and foundation pits, we derive active and passive Earth pressure formulas in accordance with the relationship between intermediate principal stress and excavation under three-dimensional stress states. …”
Get full text

Analysis on Flexural Capacity of Square Steel Tube Truss Concrete Beams with Grouted Chords by Kun Wang, Zhiyu Zhu, Huihui Luo, Ahmed Ahmad Omar

“…On this basis, parameter analysis was carried out, and the influence of concrete strength, steel ratio of upper and lower chords, and spacing of steel tube truss joints on the vertical load-deflection curves were obtained. From the results of tests and parameter analysis, design formulae of flexural bearing capacity for composite beams were proposed based on the assumption that steel tubes are equivalent to ordinary longitudinal steel bars. …”
Get full text

THE STUDY OF TRANSIENT PROCESSES OF THE FREQUENCY-REGULATED SYNCHRONOUS ELECTRIC DRIVE by B. I. Firago, S. V. Aleksandrovsky

“…Validation of the developed technique of calculation of transient processes of synchronous electric drive has been obtained by comparison of calculations according to the formulas with the simulation results of the electric drive on the basis of the synchronous motor of the SD3 13-34-6 type (power of 500 kW and voltage of 6 kV).…”
Get full text

Relationships between Kováts Retention Indices and Molecular Descriptors of 1-(2-Hydroxy)-3-Arylpropane-1,3-Diones by Gustavo P. Romanelli, Jorge L. Jios, Juan C. Autino, Lázaro F.R. Cafferata, Eduardo A. Castro

“…Multiple regression analysis yields satisfactory results when one resorts to several variables equations, instead of computing just one-variable formulae. …”
Get full text

Hopf Bifurcation Analysis for the Model of the Chemostat with One Species of Organism by Haiyun Bai, Yanhui Zhai

“…Finally, some numerical simulations are given to illustrate the effectiveness of our results.…”
Get full text