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| 1 | Active velocity tomography for assessing rock burst hazards in a kilometer deep mine显示文摘Active velocity tomography was used to determine the stress state and rock burst hazards in a deep coal mine. The deepest longwall face, number 3207 in the Xingcun colliery, was the location of the field trials. The positive correlation between stress and seismic velocity was used to link the velocity data with stratum stresses. A GeoPen SE2404NT data acquisition system was used to collect seismic data from 300 g explosive charges fired by instantaneous electric detonator and located in the tail entry. The geophones were installed on the rock bolts in the head entry of LW3207. Velocity inversion shows an inhomogeneous distribution of stress in the longwall face that could not be obtained from theory or numerical simulations. Three abnormally high P-wave velocity regions were identified that were located on the corners of the two roadways and at the face end near the rail entry side. The maximum velocity gradient is located at the open cut off near the rail entry and is the area most dangerous for rock burst. Mining-induced tremors recorded by a micro-seismic monitoring system demonstrated that the position of energy release during mining coincides with the high velocity gradient area. This technology aids tech- nicians in the coal mine as they design measures to weaken or eliminate potential danger during subse- quent mining. | He Hu Dou Linming Li Xuwei Qiao Qiuqiu Chen Tongjun Gong Siyuan | 2011 | Mining Science and Technology2011,21,5: | 9 |
| 2 | Identification and characterization of genes involved in the jasmonate biosynthetic and signaling pathways in mulberry(Morus notabilis)显示文摘Jasmonate(JA) is an important phytohormone regulating growth, development, and environmental response in plants, particularly defense response against herbivorous insects. Recently, completion of the draft genome of the mulberry(Morus notabilis) in conjunction with genome sequencing of silkworm(Bombyx mori) provides an opportunity to study this unique plant‐herbivore interaction. Here, we identified genes involved in JA biosynthetic and signaling pathways in the genome of mulberry for the first time, with the majority of samples showing a tissue‐biased expression pattern. The analysis of the representative genes 12‐oxophytodienoic acid reductase(OPRs) and jasmonate ZIM‐domain(JAZs) was performed and the results indicated that the mulberry genome contains a relatively small number of JA biosynthetic and signaling pathway genes. A gene encoding animportant repressor, MnNINJA, was identified as an alternative splicing variant lacking an ethylene‐responsive element binding factor‐associated amphiphilic repression motif. Having this fundamental information will facilitate future functional study of JA‐related genes pertaining to mulberry‐silkworm interactions. | Qing Wang Bi Ma Xiwu Qi Qing Guo Xuwei Wang Qiwei Zeng Ningjia He | 2014 | Journal of Integrative Plant Biology2014,56,7: | 3 |
| 3 | Study of the human evacuation simulation of metro fire safety analysis in China显示文摘 | Zhong Maohua Shi Congling Tu Xuwei Fu Tairan He Li | 2008 | Journal of Loss Prevention in the Process Industries v 21 n 3 May2008,,: | 1 |
| 4 | Novel biocompatible waterborne polyurethane using L-lysine as an extender显示文摘 | CHEN Hong JIANG Xuwei HE Lin | 2002 | Journal of Applied Polymer Science2002,84,13: | 1 |
| 5 | Study of the human evacuation simulation of metro fire safety analy- sis in China显示文摘 | ZHONG Maohua SHI Congling TU Xuwei FU Tairan HE Li | 2008 | Journal of Loss Prevention in the Process Indus-tries2008,21,4: | 1 |
| 6 | Rapid and sensitive detection of urinary KIM-1 using fully printed photonic crystal microarrays显示文摘Urinary kidney injury molecule 1(uKIM-1)serves as a reliable marker for the early diagnosis of acute kidney injury(AKI).The rapid and facile detection of changes in uKIM-1 is essential for early AKI diagnosis,ultimately improving the prognosis of patients.In this study,we developed a fully printed photonic crystal-integrated microarray with photonic crystal-enhanced fluorescence properties,which can detect uKIM-1 levels at the point-of-care.We confirmed its efficacy in the early diagnosis of AKI using clinical urine specimens.Direct quantitative detection of uKIM-1 was achieved within 10 min.The lowest limit of detection is 8.75 pg·mL^(-1) with an accuracy of 94.2%.The diagnostic efficacy was validated using 86 clinical urine samples,highlighting the high sensitivity and stability of the photonic crystal microarray.Consequently,a facile and reliable immunoassay was designed and prepared for the rapid quantitative detection of uKIM-1,which is crucial for the early identification and convenient detection of AKI in hospital or community settings.Rapid,convenient,cost-effective,and long-term monitoring of changes in uKIM-1 levels can assist clinicians in making timely adjustments to treatment regimens,preventing the transition from AKI to chronic kidney disease(CKD),improving the quality of life of patients with AKI,and reducing healthcare costs.It highlights the advantages of utilizing urine samples as a noninvasive and easily accessible medium for early detection and monitoring of kidney-related conditions. | Yang Liu Xuwei He Zewei Lian Qian Guo Jimei Chi Xiaoxue Lin Liyue Zhang Zheng Liu Yingyuan Liu Meng Su Keyu Wang Qiangguo Ao Qingli Cheng | 2024 | Nano Research2024,17,5: | 0 |
| 7 | Fe-doped Co_(3)O_(4) nanowire strutted 3D pinewood-derived carbon: A highly selective electrocatalyst for ammonia production via nitrate reduction显示文摘Nitrate(NO_(3)^(-)),a nitrogen-containing pollutant,is prevalent in aqueous solutions,contributing to a range of environmental and health-related issues.The electrocatalytic reduction of NO_(3)^(-)holds promise as a sustainable approach to both eliminating NO_(3)^(-)and generating valuable ammonia(NH_(3)).Nevertheless,the reduction reaction of NO_(3)^(-)(NO_(3)^(-)RR),involving 8-electron transfer process,is intricate,necessitating highly efficient electrocatalysts to facilitate the conversion of NO_(3)^(-)to NH_(3).In this study,Fe-doped Co_(3)O_(4) nanowire strutted three-dimensional(3D)pinewood-derived carbon(Fe-Co_(3)O_(4)/PC)is proposed as a high-efficiency NO_(3)^(-)RR electrocatalyst for NH_(3) production.Operating within 0.1 M NaOH containing NO_(3)^(-),Fe-Co_(3)O_(4)/PC demonstrates exceptional performance,obtain an impressively large NH_(3) yield of 0.55 mmol·h^(-1)·cm^(-2) and an exceptionally high Faradaic efficiency of 96.5%at-0.5 V,superior to its Co_(3)O_(4)/PC counterpart(0.2 mmol·h^(-1)·cm^(-2),73.3%).Furthermore,the study delves into the reaction mechanism of Fe-Co_(3)O_(4) for NO_(3)^(-)RR through theoretical calculations. | Xuwei Liu Chaozhen Liu Xun He Zhengwei Cai Kai Dong Jun Li Xiaoya Fan Ting Xie Xiya Yang Yonglan Luo Dongdong Zheng Shengjun Sun Sulaiman Alfaifi Feng Gong Xuping Sun | 2024 | Nano Research2024,17,4: | 0 |
| 8 | Multi-Hop Transmission Method of 5G Millimeter Wave Relay Based on Network Coding显示文摘With the rapid development of the Internet technology,millimeter wave(mmWave)will be used as a supplement to 5G low frequency bands to meet the extremely high system capacity requirements of 5G in hot spots.Although 5G mmWave communication can adapt to the needs of 5G network and carry a large amount of transmitted data,transmission stability has become one of the key technical issues of 5G network mmWave communication due to problems such as strong attenuation and poor penetration of mmWave.In order to improve the efficiency of the mmWave multi-hop transmission,we propose a 5G mmWave multi-hop transmission method based on network coding,which can adapt to the current wireless network environment,improve spectrum efficiency and increase network throughput.Based on MATLAB simulation experiments,it is verified that the proposed method can greatly improve the transmission efficiency and reduce the signal loss under the premise of ensuring the accurate signal transmission. | Yilin Wang Weisheng He Xuwei Fan Lianfen Huang Jie Yang Yuliang Tang | 2022 | China Communications2022,19,12: | 0 |
| 9 | Piezo1-targeted aerosol inhalation nanoparticles for acute lung injury显示文摘Inhaled drug-containing nanocarriers have been well applied as an important strategy in pulmonary dis-eases.Acute lung injury(ALI)is characterized by abnormal lung tension and complex pathogenesis,with high mortality because of the limitations of targeted intervention.Accordingly,in the present study,we first identified that the mechanosensitive ion channel Piezo1 participated in the ALI-associated processes induced by lipopolysaccharide(LPS)in vitro and in vivo.Then,chitosan-stabilized bovine serum albu-min nanoparticles(NCs)emulsified with the Piezo1 inhibitor GsMTx4(NC-GsMTx4)were generated and exhibited excellent biocompatibility and biological function.Through aerosol inhalation,NC-GsMTx4 im-proved lung injury and inhibited cell apoptosis in LPS-stressed ALI mice and alleviated pulmonary fibrosis during the later stage of ALI.Mechanistically,GsMTx4 could regulate inflammation and apoptosis in lung epithelial cells via NF-κB and ERK1/2 signaling.In summary,our findings provide new insights into the pathological mechanisms of Piezo1 in ALI progression,and nebulized inhalation of NC-GsMTx4 offers a prospective platform for targeting Piezo1 to treat ALI efficiently and conveniently. | Xinxin Liu Xuwei Ling Jiachen He Xingzhi Liu Lin Wang Huiling Liu Chang Liu Yi Wang Xiao Lin Chunhua Ling Qin Shi | 2023 | Journal of Materials Science & Technology2023,,10: | 0 |