Application of the Power Grid Business Carrying on Low Earth Orbit Broadband Satellite Internet by Liang ZHU, Shaobo QI, Bo YANG, Bingyu XU, Zifan LI, Shijie ZHANG

“…LEO (Low-earth-orbit) broadband satellite internet can provide a lot of user with all-time network coverage, broadband access and information transport service, which has the advantage of high capacity, broad band, low delay and high elasticity as space information network.This made the application service in vertical industry based on LEO satellite network become research hotspots.Based on the research and analysis of power grid communication demand, the application solution of power industry based on LEO broadband satellite internet were proposed, focused on three core business of power grid, included the power grid construction, power grid operation, and emergency rescue.Also, the design of system composition, workflow, and satellite terminal architecture were researched.Further, the transmission performance, continuous communication, and service switching of mobile satellite terminal were tested based on LEO broadband satellite network, which could provided low delay and high capacity for remote data transmission.The result was consultant significance for future application development and engineering implementation in power industry.…”
Get full text

A New Simple Method for the Strength of High-Strength Steel Thin-Walled Box Columns Subjected to Axial Force and Biaxial End Moments by Hong-Xia Shen

“…The strength of Q460 steel welded thin-walled box columns under biaxial bending is investigated by an FE model. The numerical results, together with available experimental data, are compared with the American Specification ANSI/AISC 360-10. …”
Get full text

Broadband Polarization-Independent Edge Couplers With High Efficiency Based on SiN-Si Dual-Stage Structure by Yang Jiang, Zhewei Zhang, Peng Liu

“…We simulate the minimum TE/TM light coupling loss from a standard SMF-28 fiber to be 0.61 dB/0.95 dB with polarization dependent loss (PDL) less than 0.4 dB in the whole band between 1500 nm and 1600 nm.…”
Get full text

Fire Behavior of Lightweight Reinforced Concrete Deep Beams and Enhanced Structural Performance via Varied Stirrup Spacing – An Integrated Study by Ali Ali, Amir Akhaveissy, Bahaa Abbas

“…Four LRCDB specimens with transverse reinforcement intervals of 60 mm and 150 mm are constructed and subjected to four-point bending tests at both normal and elevated temperatures. …”
Get full text

Synthesis and Infrared Performance of SiB6 Powder through “Chemical Oven” Self-Propagating Combustion by Shuang Shuang, Fengxia Yang, Zhiwei Li, Jiangtao Li, Xiangmin Meng

“…It could realize maximum reaction temperature to about 2000°C, and the whole process just needs ∼30 s. The average diameter of products is ∼10 μm. …”
Get full text

Influence of Doping Concentration on Dielectric, Optical, and Morphological Properties of PMMA Thin Films by Lyly Nyl Ismail, Habibah Zulkefle, Sukreen Hana Herman, Mohamad Rusop Mahmood

“…All samples are highly transparent. The energy band gaps are in the range of 3.6 eV to 3.9 eV when the PMMA concentration increased. …”
Get full text

Evolution and industry trend of 5G key technologies by Jing CHONG, Xiaoyong TANG, Lei ZHU, Na LI, Jue ZHANG, Zhengpeng YOU, Peike XU, Jia LIU

“…With the further integration of 5G and the industry, the current standard-defined Release 15/Release 16/Release 17 capabilities were slightly insufficient to support industry needs.The technological evolution direction of 5G-Advanced (Release 18) was reviewed in detail, and potential technical solutions for the technological evolution were given, including downlink MIMO enhancement, uplink transmission enhancement, mobility enhancement, topology transmission technology enhancement, Sidelink enhancement, RedCap technology evolution, positioning capability expansion and enhancement, AI/ML 5G, etc.At the same time, the current industry scene was analyzed in detail, those existing problems including industry terminal access, access network, E2E QoS guarantee, etc.The 5G technologies including SLA-based industry networking, high out-of-band (OOB) suppression, multi-buffer scheduling (MBS), fully connected industry access network technology, computing force network (CFN) technology, and potential implementation methods were proposed.…”
Get full text

FEA Simulation of the Biomechanical Structure Overload in the University Campus Planting by Stanislau Dounar, Alexandre Iakimovitch, Katsiaryna Mishchanka, Andrzej Jakubowski, Leszek Chybowski

“…It is proved that in the trunk-branch junction area the stresses are twice lower than the branch itself, and it is not the place for fracture. For the given wind pressure, the work stress in the branch has exceeded twice the allowable level under bending with some torsion. …”
Get full text

CRACK GROWTH SIMULATION BASED ON ABAQUS SECONDARY EVELOPMENT by ZHANG WenDong, FAN JunLing, CHEN Li, LV YuanBo

“…I mode edge crack of a finite flat and the crack propagation in three point bending beam were simulated. Compared to the exact results, this method can effectively simulate the process of crack propagation. …”
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

“…In order to deeply analyze the micro-displacement deformation performance of parallel two-axis straight circular flexure hinge，based on the assumption of small deformation of elastic beam，the bending theory of variable cross-section continuous beam and the principle of calculus superposition，the calculating formulas of angular deformation and angular stiffness are derived. …”
Get full text

One-Step Synthesis of CaO-ZnO Efficient Catalyst for Biodiesel Production by Javier Toledo Arana, Juan José Torres, Diego F. Acevedo, Cristian O. Illanes, Nelio A. Ochoa, Cecilia L. Pagliero

“…Moreover, the infrared spectroscopy shows typical bands of these compounds. The catalyst shows high biodiesel yield, up to 73% in the first cycle and 64% in the second one. …”
Get full text

Three-dimensional flow structures modelling based on a depth-integrated method in a sharply curved open channel over topography by Lugina Fikry Purwa, Uchida Tatsuhiko, Blanckaert Koen

“…The method has been expanded to a general coordinate system and its applicability to flow in bends and meanders for the applications to rivers. …”
Get full text

Progress in Performance of AlGaN‐Based Ultraviolet Light Emitting Diodes by Jing Lang, Fujun Xu, Jiaming Wang, Lisheng Zhang, Xuzhou Fang, Ziyao Zhang, Xueqi Guo, Chen Ji, Chengzhi Ji, Fuyun Tan, Yong Wu, Xuelin Yang, Xiangning Kang, Zhixin Qin, Ning Tang, Xinqiang Wang, Weikun Ge, Bo Shen

“…The detailed discussions include the major challenges, the corresponding technological breakthroughs, and also the outlook of material growth, energy band modulation, as well as device fabrication involved in UV‐LEDs, which are expected to be helpful for the thorough comprehension of device physics and further development of AlGaN‐based UV‐LEDs.…”
Get full text

Optimization Design of Structure Parameter of Wheel Hub Reducer based on PXI by Liu Qing, Wu Qibin

“…Under the condition of the same input power and rotational speed,and root bending strength reaches a certain safety factor,the optimal variables are sought to minimize the overall power loss. …”
Get full text

Role of Ulva lactuca Extract in Alleviation of Salinity Stress on Wheat Seedlings by Wael M. Ibrahim, Refaat M. Ali, Khaulood A. Hemida, Makram A. Sayed

“…The protein pattern of wheat seedling showed 12 newly formed bands as result of algal extract treatments compared with control. …”
Get full text

Crack Identification Method of Steel Fiber Reinforced Concrete Based on Deep Learning: A Comparative Study and Shared Crack Database by Yang Ding, Shuang-Xi Zhou, Hai-Qiang Yuan, Yuan Pan, Jing-Liang Dong, Zhong-Ping Wang, Tong-Lin Yang, An-Ming She

“…In order to detect the cracks of concrete structure in time, the bending test of steel fiber reinforced concrete is carried out, and the pictures of concrete cracks are obtained. …”
Get full text

Properties of GH4169 Superalloy Characterized by Nonlinear Ultrasonic Waves by Hongjuan Yan, Chunguang Xu, Dingguo Xiao, Haichao Cai

“…The nonlinear ultrasonic testing system is used to detect received signals during tensile testing and bending fatigue testing of GH4169 superalloy. The results show that the curves of nonlinear ultrasonic parameters as a function of tensile stress or fatigue life are approximately saddle. …”
Get full text

Elastic and nonlinear crack tip solutions comparison with respect to failure probability by Valery Shlyannikov, Andrey Tumanov, Natalia Boychenko

“…This study represents a methodology to assess the probability of failure based on three the driving force formulations defined by the corresponding brittle and ductile fracture criteria for compact and bending specimens made of 34XH3MA and S55C steels. …”
Get full text

Determination of Mapping Relation between Wheel Polygonalisation and Wheel/Rail Contact Force for Railway Freight Wagon Using Dynamic Simulation by Jian Mu, Jing Zeng, Qunsheng Wang, Hutang Sang

“…The results reveal that the low-order wheel polygonalisation except 1st order and 3rd order can give rise to high-frequency impact loads at the wheel/rail interface and excite 1st-bend modes of the wheelset and “P2 resonance” leading to high-magnitude wheel/rail contact force at the corresponding speed.…”
Get full text

Cross Reaction of Haemonchus Contortus ANTIGEN WITH ANTI-Fasciola Gigantica Serum by Using Western Blot Technique by Firman Hadi Fanani, Kusnoto Kusnoto, Poedji Hastutiek, Setiawan Koesdarto, Endang Suprihati

“…Cross reaction of Haemonchus contortus protein with anti-Fasciola gigantica serum byusing Western blot technique and obtained 3 protein bands are 94.9, 52.7, 46.7 kDa.…”
Get full text