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the National Key Research and Devel-opment Program of China(Grant No.2018YFA0605902);the National Natural Science Foun-dation of China(Grant Nos.20212024,11872136);China Postdoctoral Science Foundation(Grant No.2020M670746).
Freezing in ice rubble is a common phenomenon in cold regions,which can consolidate loose blocks and change their mechanical properties.To model the cohesive effect in frozen ice rubble,and to describe the fragmentati...
supported by the National Natural Science Foundation of China(Grant Nos.50978045,51121005 and 51209033)
Spudcan may experience punch-through failure on strong over weak layered soils, such as sand overlying clay. A large deformation finite element method (LDFE) is used to simulate the penetration process of spudcan in...
The relations among the breakdown voltage,the width and the concentration of the voltage-sustaining layer for the non-punch-through(NPT) and punch-through(PT) abrupt parallel-plane junctions have been reestablishe...
Project supported by the National Science and Technology Major Project of China (Grant No. 2011ZX02504-003) and the Fundamental Research Funds for the Central Universities, China (Grant No. ZYGX2011J024).
A novel high-voltage light punch-through(LPT) carrier stored trench bipolar transistor(CSTBT) with buried p-layer(BP) is proposed in this paper.Since the negative charges in the BP layer modulate the bulk electr...
supported by Scientific and Technological Supporting Program of Gansu Province(Grant No.097GKCA052)
The breakdown mechanism of power bipolar static induction transistor (BSIT) with buried gate structure is analyzed in depth. A power BSIT sample with high voltage-resistant capability has been designed and fabricate...
supported by the Major Specialized Program of National Science and Technology,China(No.2011ZX02706-003)
The anode injection efficiency reduction of 3.3-kV-class non-punch-through insulated-gate bipolar transistors (NPT-IGBTs) due to backside processes is experimentally studied through comparing the forward blocking ca...
Project supported by National Natural Science Foundation of China(Grant No.60906038)
A high-side thin-layer silicon-on-insulator (SOI) pLDMOS is proposed, adopting field implant (FI) and multiple field plate (MFP) technologies. The breakdown mechanisms of back gate (BG) turn-on, surface channe...
The punch-through effect of the PIN diodes in the readout device of the PbWO4 crystal detectors was studied by using of Ee=5, 10, 20, 30, 40 GeV electron beam and Eμ=100 GeV μ beam on the CERN/SPS. Figure 1 is the e...
the State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
The experimental results indicate that the Ni-ZrO2 composites synthesized with urn-sized Ni powder and nm-sized ZrO2 powder possess submicron structure. Based on the fractal theory, the relationship between the electr...