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    题名 作者 年代 出处 被引量
1Combined Pollution and Pollution Index of Heavy Metals in Red Soil显示文摘A field experiment was conducted to study the effects of Pb, Cd, Cu, Zn and As coexisting in red soilon growth of rice (Oryza sativa L.), mung bean (Vigna rabiata (Linn.) Wilczek), alfalfa (Medicago sativaL.), slash pine (Pinus elliottii Engelm.) and aspen (Populus L.). Results showed that rice, mung bean andalfalfa were significantly innuenced by combined pollution of the heavy metals. The contents of Pb, cd andAs in rice grains greatly exceeded the National Standards for Food Hygiene of China. Heavy metals at ahigh concentration seriously retarded growth of mung bean and alfalfa, but not so obviously with slash pineand aspen. The composite index is suggested for evaluating the relativity of combined pollution witll heavymetals in soil.CHEN HUAIMAN ZHENG CHUNRONG WANG SHENQIANG and TU CONG(Institute of Soil Science, the Chinese Academy of Sciences, P.O. Box 821, Naroing 210008 China) 2000Pedosphere2000,10,2:56
2Deformation geometry and timing of the Wupoer thrust belt in the NE Pamir and its tectonic implications显示文摘Xiaogan CHENG Hanlin CHEN Xiubin LIN Shufeng YANG Shenqiang CHEN Fenfen ZHANG Kang LI Zelin LIU 2016Frontiers of Earth Science2016,10,4:6
3Effects of temperature change and tree species composition on N_2O and NO emissions in acidic forest soils of subtropical China显示文摘Tree species and temperature change arising from seasonal variation or global warming are two important factors influencing N2O and NO emissions from forest soils. However, few studies have examined the effects of temperatures(5–35℃) on the emissions of forest soil N2O and NO in typical subtropical region. A short-term laboratory experiment was carried out to investigate the influence of temperature changes(5–35℃) on soil N2O and NO emissions under aerobic conditions in two contrasting(broad-leaved and coniferous) subtropical acidic forest types in China. The results showed that the temporal pattern of N2O and NO emissions between the three lower temperatures(5℃, 15℃, and 25℃) and 35℃ was significantly different for both broad-leaved and coniferous forest soils. The effects of temperature on soil N2O and NO emission rates varied between broad-leaved and coniferous forest soils. Both N2O and NO emissions increased exponentially with an increase in temperature in the broad-leaved forest soil. However, N2O and NO emissions in the coniferous forest soil were not sensitive to temperature change between 5℃ and 25℃. N2O and NO emission rates were significantly higher in the broad-leaved forest soil as compared with the coniferous forest soil at all incubation temperatures except 5℃. These results suggest that the broad-leaved forest could contribute more N2O and NO emissions than the coniferous forest for most of the year in the subtropical region of China.Yi Cheng Jing Wang Shenqiang Wang Zucong Cai Lei Wang 2014Journal of Environmental Sciences2014,26,3:3
4High powerλ~8.5μm quantum cascade laser grown by MOCVD operating continuous-wave up to 408 K显示文摘Robust quantum cascade laser(QCL)enduring high temperature continuous-wave(CW)operation is of critical importance for some applications.We report on the realization of lattice-matched InGaAs/InAlAs/InP QCL materials grown by metal-organic chemical vapor deposition(MOCVD).High interface quality structures designed for light emission at 8.5μm are achieved by optimizing and precise controlling of growth conditions.A CW output power of 1.04 W at 288 K was obtained from a 4 mm-long and 10μm-wide coated laser.Corresponding maximum wall-plug efficiency and threshold current density were 7.1%and 1.18 kA/cm2,respectively.The device can operate in CW mode up to 408 K with an output power of 160 mW.Teng Fei Shenqiang Zhai Jinchuan Zhang Ning Zhuo Junqi Liu Lijun Wang Shuman Liu Zhiwei Jia Kun Li Yongqiang Sun Kai Guo Fengqi Liu Zhanguo Wang 2021Journal of Semiconductors2021,42,11:3
5InAs-based interband cascade lasers at 4.0 μm operating at room temperature显示文摘InAs-based interband cascade lasers(ICLs) with InAs plasmon waveguides or InAs/AlSb superlattice(SL) waveguides were demonstrated at emission wavelengths below 4.1 μm. The threshold current densities of the lasers with SL waveguides were 37 A/cm^2 at 77 K in continuous wave mode. The operation temperature of these lasers reached room temperature in pulsed mode. Compared with the thick InAs n++ plasmon cladding layer, the InAs/AlSb superlattice cladding layers have greater advantages for ICLs with wavelengths less than 4 μm even in InAs based ICLs because in the short-wavelength region they have a higher confinement factor than InAs plasmon waveguides.Tian Yu Shuman Liu Jinchuan Zhang Bo Xu Lijun Wang Junqi Liu Ning Zhuo Shenqiang Zhai Xiaoling Ye Yonghai Chen Fengqi Liu Zhanguo Wang 2018Journal of Semiconductors2018,39,11:3
6Nitrogen runoff dominates water nitrogen pollution from rice-wheat rotation in the Taihu Lake region of China显示文摘Xu Zhao Yang Zhou Ju Min Shenqiang Wang Weiming Shi Guangxi Xing 2012Agriculture Ecosystems and Environment2012,,:2
7External stimuli controlled multiferroic charge-transfer crystals显示文摘Multiferroic 费用转移晶体拉了重要兴趣由于他们的同时偶极并且订的纺纱。众多的理论、试验性的研究证明了在施主和领受人建筑群之间的分子的叠在调节费用转移起一个重要作用启用的 multifunctionality。此处,我们证明费用转移相互作用能被分离的栈控制,由 polythiophene 施主组成 -- 并且 fullerene 基于领受人的结合所有的块共聚物。房间温度磁场效果,铁电性,和各向异性的磁力在费用转移晶体被观察,它能被 photoexcitation 并且充电做进一步控制。而且,费用转移分离了栈晶体证明外部刺激控制了极化和磁化,它为所有器官的 multiferroics 开创他们的多功能的应用程序。Wei Qin Xiaomin Chen Jessica Lohrman Maogang Gong Guoliang Yuan Manfred Wuttig Shenqiang Ren 2016Nano Research2016,9,4:2
8Effects of temperature change and tree species composition on N20 and NO emissions in acidic forest soils of subtropical China显示文摘Tree species and temperature change arising from seasonal variation or global warming are two important factors influencing N2O and NO emissions from forest soils. However, few studies have examined the effects of temperatures(5–35℃) on the emissions of forest soil N2O and NO in typical subtropical region. A short-term laboratory experiment was carried out to investigate the influence of temperature changes(5–35℃) on soil N2O and NO emissions under aerobic conditions in two contrasting(broad-leaved and coniferous) subtropical acidic forest types in China. The results showed that the temporal pattern of N2O and NO emissions between the three lower temperatures(5℃, 15℃, and 25℃) and 35℃ was significantly different for both broad-leaved and coniferous forest soils. The effects of temperature on soil N2O and NO emission rates varied between broad-leaved and coniferous forest soils. Both N2O and NO emissions increased exponentially with an increase in temperature in the broad-leaved forest soil. However, N2O and NO emissions in the coniferous forest soil were not sensitive to temperature change between 5℃ and 25℃. N2O and NO emission rates were significantly higher in the broad-leaved forest soil as compared with the coniferous forest soil at all incubation temperatures except 5℃. These results suggest that the broad-leaved forest could contribute more N2O and NO emissions than the coniferous forest for most of the year in the subtropical region of China.Yi Cheng Jing Wang Shenqiang Wang Zucong Cai Lei Wang 2014Journal of Environmental Sciences2014,26,3:2
9Late Cenozoic Activity of the Tashkurgan Normal Fault and Implications for the Origin of the Kongur Shan Extensional System, Eastern Pamir显示文摘In the northwest of the Himalayan-Tibetan Orogen, the ~250 km-long Kongur Shan extensional system in the eastern Pamir was formed during the convergence between the Indian and Asian plates. Tectonic activity of the Kongur Shan normal fault and the Tashkurgan normal fault can help to reveal the origin of east-west extension along the Kongur Shan extensional system. The Kongur Shan fault has been extensively studied, while the Tashkurgan fault calls for systemic research. In this study, low-temperature thermochronology including apatite fission track analysis and apatite and zircon(U-Th)/He analyses is applied to constrain the timing of activity of the Tashkurgan fault. Results indicate that the Tashkurgan fault initiated at 10–5 Ma, and most likely at 6–5 Ma. The footwall of the Tashkurgan fault has been exhumed at an average exhumation rate of 0.6–0.9 mm/a since the initiation of the Tashkurgan fault. Combined with previous research on the Kongur Shan fault, we believe that the origin of east-west extension along the Kongur Shan extensional system was driven by gravitational collapse of over-thickened Pamir crust.Shenqiang Chen Hanlin Chen 2020Journal of Earth Science2020,31,4:2
10Room temperature continuous wave operation of quantum cascade laser atλ~9.4μm显示文摘Continuous wave(CW) operation of long wave infrared(LWIR) quantum cascade lasers(QCLs) is achieved up to a temperature of 303 K. For room temperature CW operation, the wafer with 35 stages was processed into buried heterostructure lasers. For a 2-mm-long and 10-μm-wide laser with high-reflectivity(HR) coating on the rear facet, CW output power of 45 m W at 283 K and 9 m W at 303 K is obtained. The lasing wavelength is around 9.4 μm locating in the LWIR spectrum range.Chuncai Hou Yue Zhao Jinchuan Zhang Shenqiang Zhai Ning Zhuo Junqi Liu Lijun Wang Shuman Liu Fengqi Liu Zhanguo Wang 2018Journal of Semiconductors2018,39,3:1
11Large-scale biochar production from crop residue:a new idea and the biogas-energy pyrolysis system显示文摘WANG Shenqiang ZHAO Xu XING Guangxi 0,,01:1
12Seven years of biochar amendment has a negligible effect on soil available P and a progressive effect on organic C in paddy soils显示文摘Little attention has been paid to how long-term application of crop straw and its biochar affects soil phosphorus(P)transformation and carbon(C)fractions.We conducted a 7-year field experiment including control treatment(chemical fertilizer only,CK),straw return(2.25 t ha^(−1)),and different amounts of biochar addition(11.25 t ha^(−1)(0.5%BC)and 22.5 t ha^(−1)(1.0%BC),to investigate influence of these amendments on soil C structure,P fractions,and their interaction with microorganisms.The 13C nuclear magnetic resonance and soil P sequence fractionation were applied to capture changes of soil C compositions and P pool.Compared to CK,straw and biochar amendments decreased alkyl C/O-alkyl C,which is conducive to increased soil organic C.The 0.5%BC and 1.0%BC treatments enhanced recalcitrant aromatic C by 69.0%and 131%,respectively.Compared to CK(101.2±33.32 mg kg^(−1)),the 0.5%BC and 1.0%BC treatments had a negligible effect on soil available P,while negative effects were observed in straw treatment(59.79±9.023 mg kg^(−1)).Straw and biochar amendments increased primary P and occluded P,whereas had negligible effect on organic P.Redundancy analysis and correlation analysis indi-cated that C compositions and P pool correlated to microbial community composition and enzyme activities,and aromatic C was the most related factor.Moreover,structural equation modeling indicated available P was most related to phosphatase activity and C composition.Our findings reveal the changes of soil P and C response under long-term crop straw and its biochar amendment,and can contribute toward improving understanding of the effect of biochar and straw return in future agriculture management.Jiahui Yuan Yu Wang Xu Zhao Hao Chen Guanglei Chen Shenqiang Wang 2022Biochar2022,4,1:1
13Extensive cerebral microbleeds predict parenchymal haemorrhage and poor outcome after intravenous thrombolysis显示文摘YAN Shenqiang JIN Xinchun ZHANG Xuting 2015Journal of Neurology Neurosurgery and Psychiatry2015,86,11:1
14显示文摘SuXiaopeng(苏小鹏) LuoGuoqiang(罗国强) ShenQiang(沈强)eta1 2010稀有金属材料与工程2010,39,11:1
15Structural parameters study of a tubular solid oxide fuel cell 显示文摘JIA Junxi SHEN Shenqiang Riffat S B 2005Journal of the Energy Institute2005,78,2:1
16LearningBayesiannetworks:approachesandissues显示文摘DALYR SHENQiang AITKENS 2011TheKnowledgeEngineeringReview2011,26,2:1
17StudyonAdaptabilitiesofTulipsIntro-ducedfromtheNetherlands显示文摘SHENQiang(沈强) CHENYaping(陈亚平) SHIYimin(史益敏) 上海交通大学学报农业科学0,,:1
18Effects of the addition of rice-straw-based biochar on leaching and retention of fertilizer N in highly fertilized cropland soils显示文摘Xu Zhao Xiaoyuan Yan Shenqiang Wang Guangxi Xing Yang Zhou 2013Soil Science and Plant Nutrition2013,,5:1
19High temperature ceramic thermal insulation material显示文摘Flexible and lightweight thermal insulation materials with hierarchical microstructures are ubiquitous in thermal management and protection systems.Ceramic aerogels promise high-temperature thermal insulation but lack mechanical robustness,while the fibrous materials with excellent mechanical elasticity display modest thermal insulation.Here we describe flexible hierarchical superhydrophobic ceramic insulation nanocomposites through the densified architectured hierarchical nanostructures,radiative insulation coating,and interfacial cross-linking among composites.The lightweight flexible ceramic nanocomposites exhibit a density of 0.13 g/cm^(3),high-temperature fire resistance with thermal conductivity of 0.024 W/(m·K),and super-hydrophobicity with the water contact angle of 152°.The mechanical robustness and high-temperature thermal insulation of ceramic nanocomposites,together with its soundproof performance,shed light on the low-cost flexible insulation materials manufacturing with scalability for high-temperature thermal insulation applications under high mechanical loading conditions.Lu An Jason N.Armstrong Yong Hu Yulong Huang Zheng Li Donghui Zhao Jesse Sokolow Zipeng Guo Chi Zhou Shenqiang Ren 2022Nano Research2022,15,7:1
20Coupled-ridge waveguide quantum cascade laser array lasing at λ~5μm显示文摘In this work,we demonstrated high-power quantum cascade laser(QCL)arrays lasing at λ~5μm by employing an optimized coupled-ridge waveguide(CRW)structure.Five-element QCL arrays were simulated and fabricated through a two-step etching method to extend the CRW structure to a mid-wave infrared regime.A lateral far-field with the main peak near a diffraction-limited intensity curve of about 10°was observed by properly designing a geometric shape of the ridges and interspaces.By introducing a buried 2nd-order distributed feedback(DFB)grating,substrate emission with a radiation power above 1 W at 25℃ is achieved.Single longitudinal mode operation is obtained by changing the temperature of the heatsink with a good linear wavelength tuning coefficient of -0.2 cm^(-1)/K.Pengchang Yang Jinchuan Zhang Zenghui Gu Chuanwei Liu Yue Zhao Fengmin Cheng Shenqiang Zhai Ning Zhuo Junqi Liu Lijun Wang Shuman Liu Fengqi Liu 2021Journal of Semiconductors2021,42,9:1
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