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| 1 | Experimental study on the new type of electrical storage heater based on flat micro-heat pipe arrays显示文摘A new type of electrical storage heater that utilizes latent heat storage and flat micro-heat pipe arrays(FMHPAs) was developed.The thermal characteristics of the heater were tested through experimentation. The structure and operating principle of the storage heater were expounded. Three rows of FMHPAs were applied(three rows with five assemblies each) with a mass of 28 kg of phase change material(PCM) in the heat storage tank. Electric power was supplied to the PCM in the range of 0.2-2.04 kW, and air was used as heat transfer fluid, with the volume flow rate ranging from 40-120 m^3/h. The inlet temperature was in the range of15-24℃. The effects of heating power, air volume flow rate, and inlet temperature were investigated. The electrical storage heater exhibited efficiencies of 97% and 87% with 1.98 and 1.30 kW of power during charging and discharging, respectively. Application of the proposed storage heater can transfer electricity from peak periods to off-peak periods, and the excess energy generated by wind farms can be stored as heat and released when needed. Good economic and environmental benefits can be obtained. | wang zeyu diao yanhua zhao yaohua liang lin wang tengyue | 2018 | Science China(Technological Sciences)2018，61，2： | 3 |
| 2 | Effects of acetylene at low concentrations on nitrification, mineralization and microbial biomass nitrogen concentrations in forest soils显示文摘Temperate forest surface soils at the varying distances from main trunks (e.g., Pinus koraiensis and Quercus mongolica) were used to study the effects of acetylene (C2H2) at low concentrations on nitrification, mineralization and microbial biomass N concentrations of the soils, and to assess the contribution of heterotrophic nitrification to nitrous oxide (N2O) emissions from soils. The use of acetylene at partial pressures within a range from 10 to 100 Pa C2H2 in headspace gas gave a significant decrease in N2O emission at soil moisture of c. 45% water-filled porosity space, and the decrease was almost the same in each soil after exposure of C2H2 at low concentrations. Heterotrophic nitrification could account for 21%―48% of total N2O emission from each soil; the contribution would increase with increasing distances from the Pinus koraiensis trunks rather than from the Quercus mongolica trunks. Under the experimental conditions, the use of C2H2 at low concentrations showed no significant influ- ence on soil microbial biomass N, net N mineralization and microbial respiration. However, 100 Pa C2H2 in headspace gas could reduce carbon dioxide (CO2) emissions from soils. According to the rapid consumption of 10 Pa C2H2 by forest soils and convenience for laboratory incubations, 50 Pa C2H2 in headspace gas can be used to study the origin of N2O emissions from forest soils under aerobic con- ditions and the key associated driving mechanisms. The N2O and CO2 emissions from the soils at the same distances from the Quercus mongolica trunks were larger than those from the Pinus koraiensis trunks, and both emissions decreased as the distances from trunks increased. The stepwise regression analysis showed that 95% of the variability in soil CO2 emissions could be accounted for by the concentrations of soil total C and water soluble organic C and soil pH, and that 72% of the variability in soil N2O emissions could be accounted for by the concentrations of soil total N, exchangeable NH+4-N and microbial biomass N and 25% of the variability in heterotrophic nitrification by the soil microbial biomass N concentration. The emissions of N2O and CO2 from forest soils after exposure of C2H2 at low concentrations were positively related to the net nitrification of the soils. | ZHANG TengYu XU XingKai LUO XianBao HAN Lin WANG YingHong PAN GenXing | 2009 | Chinese Science Bulletin2009，54，2： | 1 |
| 3 | Re- covery of silicon powder from kerr loss slurry by centrifuga- tion显示文摘 | Lin Yen-Chih Wang Tengyu Lan Chungwen | 2010 | Powder Technol2010，200，： | 1 |
| 4 | Sequence-Defined Nanotubes Assembled from IR780-Conjugated Peptoids for Chemophototherapy of Malignant Glioma显示文摘Near-infrared(NIR)laser-induced phototherapy through NIR agents has demonstrated the great potential for cancer therapy.However,insufficient tumor killing due to the nonuniform heat or cytotoxic singlet oxygen(1 O2)distribution over tumors from phototherapy results in tumor recurrence and inferior outcomes.To achieve high tumor killing efficacy,one of the solutions is to employ the combinational treatment of phototherapy with other modalities,especially with chemotherapeutic agents.In this paper,a simple and effective multimodal therapeutic system was designed via combining chemotherapy,photothermal therapy(PTT),and photodynamic therapy(PDT)to achieve the polytherapy of malignant glioma which is one of the most aggressive tumors in the brain.IR-780(IR780)dye-labeled tube-forming peptoids(PepIR)were synthesized and self-assembled into crystalline nanotubes(PepIR nanotubes).These PepIR nanotubes showed an excellent efficacy for PDT/PTT because the IR780 photosensitizers were effectively packed and separated from each other within crystalline nanotubes by tuning IR780 density;thus,a self-quenching of these IR780 molecules was significantly reduced.Moreover,the efficient DOX loading achieved due to the nanotube large surface area contributed to an efficient and synergistic chemotherapy against glioma cells.Given the unique properties of peptoids and peptoid nanotubes,we believe that the developed multimodal DOX-loaded PepIR nanotubes in this work offer great promises for future glioma therapy in clinic. | Xiaoli Cai Mingming Wang Peng Mu Tengyue Jian Dong Liu Shichao Ding Yanan Luo Dan Du Yang Song Chun-Long Chen Yuehe Lin | 2021 | Research2021，，1： | 1 |
| 5 | Carbon-based functional materials for atmospheric water utilization显示文摘Atmospheric water,as one of the most abundant natural resources on Earth,has attracted huge research interest in the field of water harvesting and energy harvesting and conversion owing its environmental friendliness and easy access.The developments of new materials have seen advanced technologies that can extract water and energy out of this long-neglected resource,suggesting a promising and sustainable approach to address the water and energy crises over the world.Carbon-based functional materials have been considered to be indispensable materials for atmospheric water utilization due to their large surface area,excellent adsorption performance,and higher surface activity.In this review,first,we analyze the interaction between carbon-based functional materials and atmospheric water molecular.Then,technologies developed in recent years for atmospheric water utilization based on carbon-based functional materials are reviewed,mainly focusing on atmospheric water harvesting,moisture-enabled electricity generation,and moisture-responsive actuation.Finally,the remaining challenges and some tentative suggestions possibly guiding developments are proposed,which may pave a way for a bright future of carbon-based functional material in the utilization of atmospheric water. | Wenya He Tengyu Lin Huhu Cheng Liangti Qu | 2023 | Nano Research2023，16，11： | 0 |
| 6 | Two-dimensional reconfigurable electronics enabled by asymmetric floating gate显示文摘Reconfigurable devices with customized functionalities hold great potential in addressing the scaling limits of silicon-based field-effect transistors(FETs).The conventional reconfigurable FETs are limited to the applications in logic circuits,and the commonly used multi-gate programming strategies often lead to high power consumption and device complexity.Here,we report a reconfigurable WSe_(2) optoelectronic device that can function as photodiode,artificial synapse,and 2-bit memory in a single device,enabled by an asymmetric floating gate(AFG)that can continuously program the device into different homojunction modes.The lateral p-n homojunction formed in the AFG device exhibits high-performance self-powered photodetection,with a responsivity over 0.17 A·W^(-1) and a wide detection spectral range from violet to near-infrared region.The AFG device can also mimic synaptic features of biological synapses and achieve distinct potentiation/depression behaviors under the modulation of both drain-source bias and light illumination.Moreover,when working as a 2-bit memory via the transition between n-n+and p-n homojunctions,the AFG device shows four distinct conductive states with a high on/off current ratio over 106 and good repeatability.Combining reduced processing complexity and reconfigurable functionalities,the WSe_(2) AFG devices demonstrate great potential towards high-performance photoelectric interconnected circuits. | Tengyu Jin Jing Gao Yanan Wang Yue Zheng Shuo Sun Lei Liu Ming Lin Wei Chen | 2022 | Nano Research2022，15，5： | 0 |
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