First-aid hemostatic agents for acute bleeding can save lives in emergency situations. However, rapid hemostasis remains challenging when uncontrolled hemorrhage occurs on lethal noncompressible and irregular wounds. Herein, cellulose-based cryogel microspheres with deliberately customized micromorphologies ultrafast water transportation diffusion, including the shark skin riblet-inspired wrinkled surface low fluid drag hydrophilic nanoporous 3D networks, are developed to deal within...

In this article, a low-loss RF coaxial through-silicon vias (TSVs) (C-TSVs) configuration in the silicon interposer with embedded cooling cavity is proposed. For single C-TSV array passing through cavity, transmission losses different coolants were compared. The insertion loss immersed FC770 0.14 dB at 40 GHz, which closed to typical (0.2 dB). It much smaller than deionized water (6.49 dB) one. optimal spacing of multiple arrays filled coolant <inline-formula...

In communications theory, the capacity of multiple input output-orthogonal frequency division multiplexing (MIMO-OFDM) systems is fundamentally determined by wireless channels, which exhibit both diversity and correlation in spatial, temporal domains. It further envisioned to exploit inherent nature namely representation, achieve geolocation-based MIMO transmission for 6G, exemplified fully-decoupled radio access network (FD-RAN). Accordingly, this paper first employs self-supervised...

In the fully-decoupled radio access network (FD-RAN), base stations (BSs) are classified as control BSs, uplink and downlink BSs for better flexibility of BS-user equipment (UE) association elasticity resource scheduling. However, high feedback delay brought by physically decoupling architecture renders conventional feedback-based MIMO transmission ineffective. Considering strong correlation between user geolocation channel propagation environment, especially when a line-of-sight (LOS) path...

Visualized discriminant analysis and recognition can facilitate embracing the advanced complicated sensing detection technologies. Herein, first visual method based on RGB–CMYK color systems is established for of multiple metal ions. Such a accomplished by only single fluorescent probe CA-TPY, cellulose derivative containing terpyridine. The responses (color changes or fluorescence variations) between CA-TPY ions are creatively illustrated with graphical representation. Seven (Ag+, Fe2+,...

In this study, Ag conductive nanoparticles were successfully grown on ZnO semi-conductive nanosheets (abbreviated as ZnO@Ag) by combined sol–gel and liquid-phase chemical reduction methods. Both ZnO@Ag are chosen inorganic fillers, respectively, EPDM is used the matrix. The microstructures electrical performances of EPDM-based composites with different content fillers have been systematically investigated. results show that no nonlinear conductivity can be observed in pristine...

Abstract A three-dimensional electro-thermal coupling physical and mathematical model of the submarine cable landing section together with trench was established to analyze effect current-carrying capacity improvement scheme 500kV cable. The effects three types current carrying schemes were analyzed compared. research results show that flow rate medium around in (fluid medium), thermal conductivity, temperature cooling arrangement affect capacity. fluid is forced along radial direction can...

The noise of the dry-type air-core reactor is mainly caused by winding vibration forced electromagnetic force. distribution magnetic flux density(MFD) may affect force acting on windings reactor. In this paper, calculation method introduced and static MFD a calculated. analyzed results show that produced do not change with operating current. bears an axial contracting to middle in direction, also radial expanding outward direction.

To study the lighting shielding of ultrahigh voltage (UHV) transmission lines across mountains and hillside effects on discharge process, experiments have been carried out with a reduced scale tower model. As spatial electric field is changed by slope, space failure enlarged. When high-voltage electrode 5 m to line, vertical length 8 for 30° which larger than 5.17 flat ground. The maximum probabilities striking are 95% slope 75% distance from less that lines, ground 85% 5-m gap 94% same gap....

Transient impulse voltage is an important threat to the insulation of UHV DC cables in operation. The selection and parameter calculation equipment 800 kV cable superposition test system were carried out. Studies have shown that, specifications power supply impact superimposed shall take into account requirements type pre-qualification test. different types has for isolation resistor. Different blocking capacitance sample length will change amplitude waveform obtained by sample. withstand...

To enhance flexibility and facilitate resource cooperation, a novel fully-decoupled radio access network (FD-RAN) architecture is proposed for 6G. However, the decoupling of uplink (UL) downlink (DL) in FD-RAN makes existing feedback mechanism ineffective. this end, we propose an end-to-end data-driven MIMO solution without conventional channel procedure. Data-driven can alleviate drawbacks including overheads delay, provide customized precoding design different BSs based on their historical...

In this paper, we demonstrate a polymer-based silicon substrate for high performance computer system with 3 redistribute layers and 1 under-bump-metallization (UBM) layer on one side. The design, process test of kind density used to integrate CPU DDR3 are present. minimum line/space is 10/10μm, the typical thickness copper traces polymer dielectrics between 5μm 8μm respectively. electrical mechanical characteristics were studied. insert loss transmission lines less than 0.4dB at 2.5GHz. To...

In order to give full play the current carrying capacity of cables with conservative design transmission capacity, we developed an intelligent power cable built-in temperature measuring fiber for conductor. Based on accurate measurement conductor temperature, a new dynamic enhancement technology was designed. The results show that realizes fast, and reliable realtime in operation, complicated numerical calculation traditional heat path model is avoided conventional error eliminated....

To analyze the mechanism of discharges near suspended potential metal bolts in contamination test composite insulating material towers, intermittent discharge caused by conductor was reproduced on insulation strip. The quasi-electrostatic field method used to simulate and its electric distribution. On one hand, presence bodies contaminated surface causes be distorted. Electric distortion is fundamental cause partial discharge. other current density surrounding pollution layer increased,...

Cable temperature rise analysis is a common problem when cables are used in urban power grids. The thermal has high complexity and currently relies mainly on the regulatory method. For more complex conditions, cable heating can be solved by finite element However, difficulties of mesh generation numerical solution have to tackled with using these methods. Whether help commercial software or self-programming do calculation, situation over-calculation abnormal results should avoided. In this...

Distributed optical fiber vibration sensing technology has been widely used to detect the fault of composite submarine cable. Submarine cables are often damaged by anchor smashing, dragging and wave scouring during operation. The signals collected sensors usually show mutual coupling multiple signals, so it is difficult directly identify types vibrations. In order separate a method based on EEMD-SV1D-JADE for signal separation proposed. After de noising coupled firstly decomposed EEMD obtain...

Partial discharge detection with oscillatory waves and ultra-low frequency voltage as excitation sources is the main method of status diagnostic testing distribution cables. The application partial technology starts early, evaluation standards are relatively complete. With promotion dielectric loss technology, under has also begun to receive widespread attention. However, its feasibility effectiveness still being further explored, there an urgent need for guiding methods, criteria on-site...