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12篇 您的检索式:作者名="WEI Guoling"
    题名 作者 年代 出处 被引量
1H_2S燃料电池用质子传导膜及电池性能显示文摘研究了H2S燃料电池用的质子传导膜的制备及性能,考察了不同的Li2SO4与填充物Al2O3的匹配、微量元素B(H2BO3)的掺杂对膜及电池性能影响.研究了由H2S、(MoS2+NiS)/Li2SO4-Al2O3/pt、air构成的燃料电池在101.13kPa和600~700℃C时的电化学特性.在实验温度范围内,质子传导膜Li2SO4-Al2O3及整个电池系统在H2S气流下具有较好的化学稳定性.温度提高,质子传导膜的内阻减小,膜及电池性能变好.微量元素B的掺杂提高了膜的机械强度及膜的致密性,从而改善了电池的性能.在实验条件下,较适宜的B的掺杂量为2%~5%(质量百分数),较适宜的Li2SO4:Al2O3(质量比)为(3~5):1,电池最大输出电流密度和功率密度在700℃时分别达到200mA.cm-2和55mW.cm-2.钟理 张腾云 WEI Guoling Chuang Karl 2004高校化学工程学报2004,18,2:14
2A numerical study of non-Darcy flow in EGS heat reservoirs during heat extraction显示文摘Underground non-Darcy fluid flow has been observed and investigated for decades in the petroleum industry. It is deduced by analogy that the fluid flow in enhanced geothermal system (EGS) heat reservoirs may also be in the non-Darcy regime under some conditions. In this paper, a transient 3D model was presented, taking into consideration the non-Darcy fluid flow in EGS heat reservoirs, to simulate the EGS long-term heat extraction process. Then, the non-Darcy flow behavior in water- and supercritical CO2 (SCCO2)-based EGSs was simulated and discussed. It is found that non-Darcy effects decrease the mass flow rate of the fluid injected and reduce the heat extraction rate of EGS as a flow resistance in addition to the Darcy resistance which is imposed to the seepage flow in EGS heat reservoirs. Compared with the water-EGS, the SCCO2-EGS are more prone to experiencing much stronger non-Darcy flow due to the much larger mobility of the SCCO2. The non-Darcy flow in SCCO2- EGSs may thus greatly reduce their heat extraction performance. Further, a criterion was analyzed and proposed to judge the onset of the non-Darcy flow in EGS heat reservoirs. The fluid flow rate and the initial thermal state of the reservoir were taken and the characteristic Forchheimer number of an EGS was calculated. If the calculated Forchheimer number is larger than 0.2, the fluid flow in EGS heat reservoirs experiences non-negligible non-Darcy flow characteristic.Wenjiong CAO Wenbo HUANG Guoling WEI Yunlong JIN Fangming JIANG 2019Frontiers in Energy2019,13,3:2
3Fabrication of high-quality all-graphene devices with low contact resistances显示文摘All-graphene 设备是有简单布局和低接触电阻的 graphene 设备的新班。这里,我们为 all-graphene 设备报导干净制造策略经由一帮助缺点的各向异性的蚀刻。同样制作的 graphene 没有污染并且保留太古的 graphene 的质量。在在一条 bilayer graphene 隧道和一个多层的 graphene 电极之间的房间温度(RT ) 的接触抵抗能象 5Rong Yang Shuang Wu Duoming Wang Guibai xie Meng Cheng Guole Wang Wei Yang Peng Chen Dongxia Shi Guangyu Zhang 2014Nano Research2014,7,10:2
4Development of superconducting microcalorimeters for the HUBS mission显示文摘Hot Universe Baryon Surveyor(HUBS)is a proposed space‐borne observatory for X‐ray astronomy.The primary scientific objectives of the mission are to fill a void in probing the ecosystem of galaxies and thus to advance our understanding of galaxy formation and evolution,which is of fundamental importance in cosmology.More specifically,HUBS aims at directly detecting soft X‐ray emission from diffuse gas of temperature exceeding 106 K,which is theoretically postulated to permeate the large structures in the cosmic web and also fill the extended halo of galaxies.However,although some indirect evidence exists,the presence of such hot gas has yet to be well established observationally,due to the lack of effective tools to probe it.In this paper,we describe the design of HUBS,focusing on its scientific payload,which employs superconducting technologies in the detector system,and particularly on progress in the development of superconducting microcalorimeters.Sifan Wang Guole Wang Naihui Chen Yanling Chen Wei Cui Jiao Ding Fajun Li Yajie Liang Qian Wang Yeru Wang 2022Superconductivity2022,,4:2
5Sediment records of polycyclic aromatic hydrocarbons (PAHs) in the continental shelf of China: implications for evolving anthropogenic impacts显示文摘Liu Liangying Wang Jizhong Wei Guoling 2012Environmental Science ~ Technology2012,46,12:1
6Programmable deaminase-free base editors for G-to-Y conversion by engineered glycosylase显示文摘Current DNA base editors contain nuclease and DNA deaminase that enables deamination of cytosine(C)or adenine(A),but no method for guanine(G)or thymine(T)editing is available at present.Here we developed a deaminase-free glycosylase-based guanine base editor(gGBE)with G editing ability,by fusing Cas9 nickase with engineered N-methylpurine DNA glycosylase protein(MPG).By several rounds of MPG mutagenesis via unbiased and rational screening using an intron-split EGFP reporter,we demonstrated that gGBE with engineered MPG could increase G editing efficiency by more than 1500 fold.Furthermore,this gGBE exhibited high base editing efficiency(up to 81.2%)and high G-to-T or G-to-C(i.e.G-to-Y)conversion ratio(up to 0.95)in both cultured human cells and mouse embryos.Thus,we have provided a proof-of-concept of a new base editing approach by endowing the engineered DNA glycosylase the capability to selectively excise a new type of substrate.Huawei Tong Nana Liu Yinghui Wei Yingsi Zhou Yun Li Danni Wu Ming Jin Shuna Cui Hengbin Li Guoling Li Jingxing Zhou Yuan Yuan Hainan Zhang Linyu Shi Xuan Yao Hui Yang 2023National Science Review2023,10,8:1
7Numeri- cal Simulation of the Solar Chimney Power Plant Systems Coupled with Turbine 显示文摘MING Tingzhen LIU Wei XU Guoling 2008Renewable Energy2008,33,5:1
8New FCC process Minimizes Gasoline Olefin Increasing Propylene 显示文摘Wang Longyan Wang GuoL Wei JiaLu 2003Oil Gas J2003,101,6:1
9PbrARF4 contributes to calyx shedding of fruitlets in ‘Dangshan Suli’ pear by partly regulating the expression of abscission genes显示文摘Fruitlet calyx shedding in pear plants is apparently regulated via numerous pathways that involve both environmental triggers and phytohormones cues such as auxin. In this study, we found at 10 days after full bloom (DAFB) higher levels of indoleacetic acid (IAA) and tryptophan (Trp) in calyx persistence fruitlet (CPF) than calyx shedding fruitlet (CSF) ofDanshan Suli’ pear (Pyrus bretschneideri Rhed.). Consisting with this, the activity of indolealdehyde oxidase (IAAIdO), which promotes IAA synthesis, was remarkably increased, and that of peroxidase(POD), which degrades IAA, dropped markedly in CPF but not in CSF. Further, qRT-PCR results revealed that most of 31 PbrARFs (encoding auxin response factors) in Pyrus bretschneideri were highly expressed in CPF, whereas PbrARF4, PbrARF24 and PbrARF26 were significantly downregulated in CPF vis-a-vis CSF. Phylogenetic analysis revealed that 6 PbrARFs clustered in the group III, where PbrARF4 showed the closest affinity with AtARF1 that promotes organ abscission, indicating a putative role of PbrARF4 in mediating the process of calyx shedding in pear. In fact, the ectopic overexpression of PbrARF4 in Solanum lycopersicum resulted in an earlier-formed and deeper abscission layer (AL) in the transgenic plants, whose calyxes were more prone to wilt at the mature red stage (MR) compared with the control plants (wild-type). More importantly, expression levels of the abscission genes SILS and Sl Cel2 in transgenic plants overexpressing PbrARF4 were significantly upregulated in comparation with the WT, whereas those of Sl BI and Sl TAPG2 were considerably inhibited. Further, PbrJOINTLESS and PbrIDA,the two genes related to calyx shedding in pear, were up-regulated more in CSF than CPF. The findings contribute to a better understanding of PbrARFs involved in fruitlet calyx shedding of pear, which could prove beneficial to improving the quality of pear fruit.Guoling Guo Pengfei Wei Tao Yu Haiyan Zhang Wei Heng Lun Liu Liwu Zhu Bing Jia 2024Horticultural Plant Journal2024,10,2:0
10Successive magnetic ordering in two Co^(Ⅱ)-ladder metal-organic frameworks显示文摘Metal-organic frameworks showing successive magnetic ordering are far less common than inorganic compounds.Here,we report two metal-organic frameworks[Co^Ⅱ(ox)(bphy)·0.1(DMF)·0.1(Me OH)]n(1)and[Co3^Ⅱ(ox)3(bphy)2(DMF)2]n(2)comprised of zigzag and necklace Co^Ⅱ-ladders,respectively.Together with a previously reported compound[Co^Ⅱ(ox)(bphy)·0.2(DMF)]n(3)consisting of spiraling zigzag Co^Ⅱ-ladders,these three compounds provide a good system for comparative structural and magnetic studies.Comprehensive magnetic analysis reveals that the three compounds undergo long-range magnetic ordering at^2.6 K but exhibit vastly different short-range magnetic correlations:compound 1 shows short-range spin-canted antiferromagnetism ordering at^14.0 K;compound 2 demonstrates successive short-range antiferromagnetism ordering at^15.5and^12.6 K;compound 3 shows slow magnetic relaxation with Tb≈4.6 K.These results demonstrate long-range magnetic ordering is readily accessible in the frameworks of ox^2-bridging Co^Ⅱ-ladders linked by bphy,where short-range magnetic correlations can be systematicly tuned by the Co^Ⅱ-ladder structures.Zhu Zhuo Guoling Li Chenglin Shu Wei Wang Caiping Liu Mingyan Wu Yougui Huang Maochun Hong 2021Science China Chemistry2021,64,1:0
11Chinese guidelines for the application of colon cancer staging recognition systems based on artificial intelligence platforms (2021)显示文摘The incidence and mortality of colon cancer in China are increasing each year.At present,treatment selection for colon cancer patients mainly depends on imaging results,which require a large number of radiologists to interpret.In China,there is a shortage and uneven distribution of experienced radiologists,which leads to delays and bias in the evaluation of imaging data.Based on these considerations,the Colorectal Surgery Group of the Surgery Branch of the Chinese Medical Association in collaboration with experts at Beihang University has independently developed an artificial intelligence(AI)-based recognition system for the preoperative determination of colon cancer stage to partially replace the work of and relieve the pressure on radiologists.These guidelines aim to standardize the use of AI-based recognition systems in the preoperative staging of colon cancer and guide their clinical application.Yun Lu Shuai Li Yuan Gao Yong Dai Bo Feng Fanghai Han Jiagang Han Jingjing He Xinxiang Li Guole Lin Qian Liu Guiying Wang Quan Wang Zhenning Wang Zheng Wang Aiwen Wu Bin Wu Yingchi Yang Hongwei Yao Wei Zhang Jianping Zhou Aimin Hao Zhongtao Zhang 2021Intelligent Medicine2021,1,1:0
12A cobalt redox switch driving alcohol dehydrogenation by redox coupled molecular swing显示文摘Developing redox switches that not only perform specific mechanical movements but also drive important chemical reactions is important but a great challenge.Herein,we report a redox pair of cobalt species(Co^(Ⅲ)/Co^(Ⅱ))that switches through photo-dehydrogenation of alcohol and hydrogenation of azo-ligand.The cobalt species is equipped with a flexible azo-ligand containing two bulky planar substituents.A planar oxidated sate(Co^(Ⅲ)species)can be photo-reduced to a saddle-like reduced state(Co^(Ⅱ))with alcohol molecules as electron donors,and in turn the Co^(Ⅲ)species can be recovered with azo-ligand as oxidant under acidic surrounding.Both the redox states of the pair are isolated and characterized by single crystal X-ray diffraction.In the switching cycle,alcohol is oxidized to aldehyde by azo-ligand through proton coupled electron transfer and the cobalt complex acts as a redox catalyst.These results provide important insights into alcohol dehydrogenation catalyzed by redox complexes.Guoling Li Yang Liu Wei Wang Zhu Zhuo Yougui Huang 2023Chinese Chemical Letters2023,34,6:0
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