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| 1 | Effect of inorganic carbon on anaerobic ammonium oxidation enriched in sequencing batch reactor显示文摘The present lab-scale research reveals the enrichment of anaerobic ammonium oxidation microorganism from methanogenic anaerobic granular sludge and the effect of inorganic carbon(sodium bicarbonate)on anaerobic ammonium oxidation.The enrichment of anammox bacteria was carried out in a 7.0-L sequencing batch reactor(SBR)and the effect of bicarbonate on anammox was conducted in a 3.0-L SBR.Research results,especially the biomass,showed first signs of anammox activity after 54 d cultivation with synthetic w... | LIAO, Dexiang LI, Xiaoming YANG, Qi ZENG, Guangming GUO, Liang YUE, Xiu | 2008 | Journal of Environmental Sciences2008，20，8： | 28 |
| 2 | Effect of nitrification inhibitor DMPP on nitrogen leaching, nitrifying organisms, and enzyme activities in a rice-oilseed rape cropping system显示文摘DMPP (3,4-dimethylpyrazole 磷酸盐) 被用来从沥滤或脱氮减少氮(N) 损失并且在农业土地改进 N 供应。然而,它使涉及 N 的有机体和酶活动硝化骑车的土壤上的影响大部分是未知的。因此,为二年,一个在农场上实验被进行了,到阐明矿物质 N 上的 DMPP 的效果(NH4+- N 和 NO3 ? 在 rice-oilseed 的沥滤的 -N) ,使硝化的有机体,和从的酶强奸收割系统。独自包括脲的三个处理(UA ) ,脲 +1% DMPP (DP ) ,和没有化肥(CK ) ,被执行了。结果证明那 DP 提高了吝啬的 NH4+-N 集中由 19.1%24.3% ,但是减少了吝啬的 NO3 ?-N 集中由 44.9%56.6% 在 leach 吃了在二年的大米强奸旋转下面,与 UA 处理相比。氧化的氨的人口细菌,硝酸盐还原酶的活动,和在 DP 处理的亚硝酸根 reductase 减少了大约 24.5%30.9% , 14.9%43.5% ,和 14.7%31.6% ,分别地作为与 UA 处理相比。然而,亚硝酸根氧化细菌和氢氧根胺 reductase 由 DMPP 仍然保持几乎未受影响。DMPP 有潜力也减少 NO3,这被建议 ?-N 由从脱氮禁止氨氧化或 N 损失沥滤,它赞成在 rice-oilseed 的 N 谈话强奸收割系统。 | LI Hua LIANG Xinqiang CHEN Yingxu LIAN Yanfeng TIAN Guangming NI Wuzhong | 2008 | Journal of Environmental Sciences2008，20，2： | 27 |
| 3 | Late Triassic sedimentary records in the northern Tethyan Himalaya:Tectonic link with Greater India显示文摘The Upper Triassic flysch sediments(Nieru Formation and Langjiexue Group)exposed in the Eastern Tethyan Himalayan Sequence are crucial for unraveling the controversial paleogeography and paleotectonics of the Himalayan orogen.This work reports new detrital zircon U-Pb ages and whole-rock geochemical data for clastic rocks from flysch strata in the Shannan area.The mineral modal composition data suggest that these units were mainly sourced from recycled orogen provenances.The chemical compositions of the sandstones in the strata are similar to the chemical composition of upper continental crust.These rocks have relatively low Chemical Index of Alteration values(with an average of 62)and Index of Compositional Variability values(0.69),indicating that they experienced weak weathering and were mainly derived from a mature source.The geochemical compositions of the Upper Triassic strata are similar to those of graywackes from continental island arcs and are indicative of an acidicintermediate igneous source.Furthermore,hornblende and feldspar experienced decomposition in the provenance,and the sediment became enriched in zircon and monazite during sediment transport.The detrital zircons in the strata feature two main age peaks at 225-275 Ma and 500-600 Ma,nearly continuous Paleoproterozoic to Neoproterozoic ages,and a broad inconspicuous cluster in the Tonian-Stenian(800-1200 Ma).The detrital zircons from the Upper Triassic sandstones in the study area lack peaks at 300-325 Ma(characteristic of the Lhasa block)and 1150-1200 Ma(characteristic of the Lhasa and West Australia blocks).Therefore,neither the Lhasa block nor the West Australia blocks likely acted as the main provenance of the Upper Triassic strata.Newly discovered Permian-Triassic basalt and mafic dikes in the Himalayas could have provided the 225-275 Ma detrital zircons.Therefore,Indian and Himalayan units were the main provenances of the flysch strata.The Tethyan Himalaya was part of the northern passive margin and was not an exotic terrane separated from India during the Permian to Early Cretaceous.This evidence suggests that the Neo-Tethyan ocean opened prior to the Late Triassic and that the Upper Triassic deposits were derived from continental crustal fragments adjacent to the northern passive continental margin of Greater India. | Huawen Cao Yong Huang Guangming Li Linkui Zhang Jianyang Wu Lei Dong Zuowen Dai Liu Lu | 2018 | Geoscience Frontiers2018，9，1： | 27 |
| 4 | pORF5 plasmid protein of Chlamydia trachomatis induces MAPK-mediated pro-inflammatory cytokines via TLR2 activation in THP-1 cells显示文摘Infection with Chlamydia trachomatis induces inflammatory pathologies in the urogenital tract that can lead to infertility and ectopic pregnancy.Pathogenesis of infection has been mostly attributed to excessive cytokine production.However,precise mechanisms on how C.trachomatis triggers this production,and which protein(s) stimulate inflammatory cytokines remains unknown.In the present study,the C.trachomatis pORF5 protein induced tumor necrosis factor alpha(TNF-α),interleukin-1 beta(IL-1β) and interleukin-8(IL-8) in dose-and time-dependent manners in the THP-1 human monocyte cell line.We found that intracellular p38/mitogen-activated protein kinase(MAPK) and extracellular signal-regulated kinase(ERK)/MAPK signaling pathways were required for the induction of TNF-α,IL-1β and IL-8.Blockade of toll-like receptor 2(TLR2) signaling reduced induction levels of TNF-α,IL-8 and IL-1β.We concluded that the C.trachomatis pORF5 protein might contribute to the inflammatory processes associated with chlamydial infections. | ZHOU Hui HUANG QiuLin LI ZhongYu WU YiMou XIE XiaoBing MA KangKang CAO WenJuan ZHOU Zhou LU ChunXue ZHONG GuangMing | 2013 | Science China(Life Sciences)2013，56，5： | 26 |
| 5 | Treatment of soybean wastewater by a wild strain Rhodobacter sphaeroides and to produce protein under natural conditions显示文摘The conventional treatment method of soybean wastewater is expensive and generates waste sludge that requires further handling.Purple nonsulfur bacteria(PNSB)wastewater treatment is a clean technology and can generate single cell protein while degrading pollutants.A wild strain of PNSB,Rhodobacter sphaeroides Z08,was isolated from local soil and was used to treat soybean wastewater.To develop a cost-effective process,the work was performed under natural conditions without artificial light,aeration,nutrients addition,or pH and temperature adjustment.The results showed that the wild strain Rhodobacter sphaeroides Z08 could grow well under natural conditions.The growth curve showed two quickgrowth periods and a turning point.The Z08 treatment of soybean wastewater was zero order reaction and COD reduction was 96%after 10 d.The major byproducts of the process were C2-C5 organic acids,predominantly butyric acid.No alcohol was found in the effluent.The initial COD/bacterial-mass ratio(F/M)had a significant effect on soybean wastewater treatment efficiency.When the initial F/M was lower than 10 mg-COD/mg-bacteria,a sufficient amount of time to achieve 90%of COD reduction was only three days.The Z08 biomass yield was 0.28 g·g^(–1),and the bacterial protein content was 52%. | Junguo HE Guangming ZHANG Haifeng LU | 2010 | Frontiers of Environmental Science & Engineering2010，4，3： | 20 |
| 6 | Petrogenesis of Late Cretaceous Jiangla'angzong I-Type Granite in Central Lhasa Terrane, Tibet, China: Constraints from Whole-Rock Geochemistry, Zircon U-Pb Geochronology, and Sr-Nd-Pb-Hf Isotopes显示文摘The Jiangla'angzong granite in the northern part of the Central Lhasa Terrane is composed of syenogranite and adamellite. LA-ICP-MS zircon U-Pb analyses suggest that syenogranite has a weighted mean ^(206) Pb/^(238) U age of 86±1 Ma(mean square weighted deviation=0.37), which is in accordance with the muscovite Ar-Ar age(85±1 Ma) of Cu-Au ore-bearing skarns and the zircon U-Pb age(84±1 Ma) of adamellite. This suggests that the Jiangla'angzong magmatism and Cu–Au mineralization events took place during the Late Cretaceous. The granite contains hornblende, biotite, and pyroxene, and does not contain Al-bearing minerals, such as muscovite, cordierite, and garnet. It has high contents of SiO_2(65.10–70.91 wt%), K_2O(3.44–5.17 wt%), and total K_2O+Na_2O(7.13–8.15 wt%), and moderate contents of A_(12)O_3(14.14–16.45 wt%) and CaO(2.33–4.11 wt%), with a Reitman index(σ43) of 2.18 to 2.33, and A/CNK values of 0.88 to 1.02. The P_2O_5 contents show a negative correlation with SiO_2, whereas Pb contents show a positive correlation with SiO_2. Th and Y contents are relatively low and show a negative correlation with the Rb contents. These characteristics suggest that the Jiangla'angzong granite is a high K calc–alkaline metaluminous I–type granite. It is enriched in light rare earth elements(LREE) and large ion lithofile elements(LILE), and depleted in heavy rare earth elements(HREE) and high field strength elements(HFSE), with LREE/HREE ratios of 11.7 to 18.1. The granite has negative Eu anomalies of 0.58 to 0.94 without obvious Ce anomalies(δCe=1.00–1.04). The relatively low initial 87 Sr/86 Sr ratios of 0.7106 to 0.7179, positive εHf(t) values of 1.0 to 4.1, and two-stage Hf model ages(TDM2) ranging from 889 Ma to 1082 Ma, These geochemical features indicate that the granite derived from a juvenile crust. The(^(143) Nd/^(144) Nd)_t values from the Jiangla'angzong granite range from 0.5121 to 0.5123, its εNd(t) values range from-10.17 to-6.10, its(^(206) Pb/^(204) Pb)_t values range from 18.683 to 18.746, its(^(207) Pb/^(204) Pb)_t values range from 15.695 to 15.700, and its(^(208) Pb/^(204) Pb)_t values range from 39.012 to 39.071. These data indicate that the granite was formed by melting of the upper crust with the addition of some mantle materials. We propose that the Jiangla'angzong granite was formed during the postcollision extension of the Qiangtang and Lhasa terranes. | LIU Hong LI Guangming HUANG Hanxiao CAO Huawen YUAN Qian LI Yingxu OUYANG Yuan LAN Shuangshuang LU Menghong YAN Guoqiang | 2018 | Acta Geologica Sinica(English Edition)2018，92，4： | 20 |
| 7 | Origin of the Newly Discovered Zhunuo Porphyry Cu-Mo-Au Deposit in the Western Part of the Gangdese Porphyry Copper Belt in the Southern Tibetan Plateau,SW China显示文摘The newly discovered Zhunuo porphyry Cu-Mo-Au deposit is located in the western part of the Gangdese porphyry copper belt in southern Tibet, SW China. The granitoid plutons in the Zhunuo region are composed of quartz diorite porphyry, diorite porphyry, granodiorite porphyry, biotite monzogranite and quartz porphyry. The quartz diorite porphyry yielded zircon U-Pb ages of 51.9±0.7 Ma(Eocene) using LA-ICP-MS, whereas the diorite porphyry, granodiorite porphyry, biotite monzogranite and quartz porphyry yielded ages ranging from 16.2±0.2 to 14.0±0.2 Ma(Miocene). CuMo-Au mineralization is mainly hosted in the Miocene granodiorite porphyry. Samples from all granitoid plutons have geochemical compositions consistent with high-K calc-alkaline series magmatism. The samples display highly fractionated light rare-earth element(REE) distributions and heavy REE distributions with weakly negative Eu anomalies on chondrite-normalized REE patterns. The trace element distributions exhibit positive anomalies for large-ion lithophile elements(Rb, K, U, Th and Pb) and negative anomalies for high-field-strength elements(Nb and Ti) relative to primitive mantlenormalized values. The Eocene quartz diorite porphyry yielded εNd(t) values ranging from-3.6 to-5.2,(^(87)Sr/^(86)Sr)i values in the range 0.7046–0.7063 and initial radiogenic Pb isotopic compositions with ranges of 18.599–18.657 ^(206)Pb/^(204)Pb, 15.642–15.673 ^(207)Pb/^(204)Pb and 38.956–39.199 ^(208)Pb/^(204)Pb. In contrast, the Miocene granitoid plutons yielded ε_(Nd)(t) values ranging from-6.1 to-7.3 and(87Sr/86Sr)i values in the range 0.7071–0.7078 with similar Pb isotopic compositions to the Eocene quart diorite. The Sr-Nd-Pb isotopic compositions of the rocks are consistent with formation from magma containing a component of remelted ancient crust. Zircon grains from the Eocene quartz diorite have ε_(Hf)(t) values ranging from-5.2 to +0.9 and two-stage Hf model ages ranging from 1.07 to 1.46 Ga, while zircon grains from the Miocene granitoid plutons have ε_(Hf)(t) values from-9.9 to +4.2 and two-stage Hf model ages ranging from 1.05–1.73 Ga, indicating that the ancient crustal component likely derives from Paleo- to Mesoproterozoic basement. This source is distinct from that of most porphyry Cu-Mo-Au deposits in the eastern part of the Gangdese porphyry copper belt, which likely originated from juvenile crust. We therefore consider melting of ancient crustal basement to have contributed significantly to the formation Miocene porphyry Cu-Mo-Au deposits in the western part of the Gangdese porphyry copper belt. | HUANG Yong LI Guangming DING Jun DAI Jie YAN Guoqiang DONG Suiliang HUANG Hanxiao | 2017 | Acta Geologica Sinica(English Edition)2017，91，1： | 19 |
| 8 | Controllability of multi-agent systems based on agreement protocols显示文摘This paper investigates the controllability of multi-agent systems based on agreement protocols. First, for a group of single-integrator agents, the controllability is studied in a unified framework for both networks with leader-following structure and networks with undirected graph. Some new necessary/sufficient conditions for the controllability of networks of single-integrator agents are established. Second, we prove that, under the same topology and same prescribed leaders, a network of high-order dynamic agents is completely controllable if and only if so is a network of single-integrator agents. Third, how the selection of leaders and the coupling weights of graphs affect the controllability is analyzed. Finally, some numerical simulations are presented to demonstrate the effectiveness of the theoretical results. | WANG Long JIANG FangCui XIE GuangMing JI ZhiJian | 2009 | Science in China(Series F)2009，52，11： | 19 |
| 9 | Interfacial Microstructure and Properties of a Vacuum Hot Roll-bonded Titanium-Stainless Steel Clad Plate with a Niobium Interlayer显示文摘Vacuum hot roll bonding(VHRB)was used to bond pure titanium(Ti)plate to a 304 stainless steel(SS)plate with a niobium(Nb)interlayer,with the aim of producing a high-quality Ti-SS clad plate.The roll-bonding process was performed at diferent temperatures in the range of 850–1000 C,followed by characterization of microstructure and mechanical properties.The study demonstrates that the interfaces are free from cracks and discontinuities,and interdifusion between the stainless steel and the titanium is efectively prevented by inserting a layer of pure Nb foil.No intermetallic reaction layer occurred at the Nb-Ti interface at any of the investigated temperatures.An intermetallic FeNb phase was formed at the Nb-SS interface when bonding was performed at 950 C and above.The presence of the FeNb layer was confirmed by x-ray difraction.The maximum shear strength of^396 MPa was obtained when bonding is carried out at 900 C.However,the formation of the FeNb layer at roll bonding temperature greater than 900 C led to decrease in shear strength.Ductile fracture occurred through the Ti-Nb interface for roll-bonded temperatures of up to 900 C.On the other hand,at temperature of 950 C and above,failure occurred through the Nb-SS interface,with brittle fracture characteristics. | Zongan LUO Guanglei WANG Guangming XIE Lipeng WANG Kun ZHAO | 2013 | Acta Metallurgica Sinica(English Letters)2013，26，6： | 18 |
| 10 | A restoration-promoting integrated floating bed and its experimental performance in eutrophication remediation显示文摘Numerous studies on eutrophication remediation have mainly focused on purifying water first, then restoring submerged macrophytes. A restoration-promoting integrated floating bed(RPIFB) was designed to combine the processes of water purification and macrophyte restoration simultaneously. Two outdoor experiments were conducted to evaluate the ecological functions of the RPIFB. Trial 1 was conducted to compare the eutrophication purification among floating bed, gradual-submerging bed(GSB) and RPIFB technologies. The results illustrated that RPIFB has the best purification capacity. Removal efficiencies of RPIFB for TN, TP, NH+ 4-N, NO-3-N, CODCr, Chlorophyll-a and turbidity were 74.45%, 98.31%, 74.71%, 88.81%, 71.42%, 90.17% and 85%, respectively. In trial 2, influences of depth of GSB and photic area in RPIFB on biota were investigated. When the depth of GSB decreased and the photic area of RPIFB grew, the height of Potamogeton crispus Linn. increased, but the biomass of Canna indica Linn. was reduced. The mortalities of Misgurnus anguillicaudatus and Bellamya aeruginosa in each group were all less than 7%. All results indicated that when the RPIFB was embedded into the eutrophic water, the regime shift from phytoplankton-dominated to macrophyte-dominated state could be promoted. Thus, the RPIFB is a promising remediation technology for eutrophication and submerged macrophyte restoration. | Yiming Guo Yunguo Liu Guangming Zeng Xinjiang Hu Xin Li Dawei Huang Yunqin Liu Yicheng Yin | 2014 | Journal of Environmental Sciences2014，26，5： | 18 |
| 11 | Differential study of DCE-MRI parameters in spinal metastatic tumors, brucellar spondylitis and spinal tuberculosis显示文摘Objective: In the present study, spinal metastatic tumors, brucellar spondylitis and spinal tuberculosis were quantitatively analyzed using dynamic contrast-enhanced magnetic resonance imaging(DCE-MRI) to assess the value of DCE-MRI in the differential diagnosis of these diseases.Methods: Patients with brucellar spondylitis, spinal tuberculosis or a spinal metastatic tumor(30 cases of each)received conventional MRI and DCE-MRI examination. The volume transfer constant(K^(trans)), rate constant(K_(ep)),extravascular extracellular volume fraction(V_e) and plasma volume fraction(V_p) of the diseased vertebral bodies were measured on the perfusion parameter map, and the differences in these parameters between the patients were compared.Results: For pathological vertebrae in cases of spinal metastatic tumor, brucellar spondylitis and spinal tuberculosis, respectively, the K^(trans) values(median ± quartile pitch) were 0.989±0.014, 0.720±0.011 and0.317±0.005 min^(–1); the K_(ep) values were 2.898±0.055, 1.327±0.017 and 0.748±0.006 min^(–1); the V_e values were 0.339±0.008, 0.542±0.013 and 0.428±0.018; the V_p values were 0.048±0.008, 0.035±0.004 and 0.028±0.009; the corresponding H values were 50.25(for K_(trans)), 52.47(for K_(ep)), 48.33(for V_e) and 46.56(for V_p), and all differences were statistically significant(two-sided P<0.05).Conclusions: The quantitative analysis of DCE-MRI has a certain value in the differential diagnosis of spinal metastatic tumor, brucellar spondylitis and spinal tuberculosis. | Pengfei Qiao Pengfei Zhao Yang Gao Yuzhen Bai Guangming Niu | 2018 | Chinese Journal of Cancer Research2018，30，4： | 16 |
| 12 | Influences of nitrification inhibitor 3,4-dimethyl pyrazole phosphate on nitrogen and soil salt-ion leaching显示文摘一个没受到干扰的重黏土列实验被进行检验新硝化抑制剂的影响, 3,4- dimethylpyrazole 磷酸盐(DMPP ) ,在氮和土壤上咸离子的沥滤。常规脲在土壤作为氮来源被选择。结果证明在有 DMPP 的脲的处理下面的土壤 nitrate-N 的累积沥滤损失从没有 DMPP, 57.5% ~ 63.3% 脲的处理比那些降低。硝化抑制剂的使用当硝酸盐沥滤,延迟蚂蚁可以是在规定的一个建议阻止地下水沾染物。然而,与沥滤的 ammonium-N 上的 DMPP 处理脲和脲之间没有大差别。而且,土壤 Ca2+ , Mg2+ , K+ ,和 Na+ 的咸离子的沥滤损失分别地从 26.6% ~ 28.8% , 21.3% ~ 27.8% , 33.3% ~ 35.5% ,和 21.7% ~ 32.1% 被减少。那么,土壤的沥滤的损失咸离子为硝化抑制剂 DMPP 增加被拒绝,对浅地下水保护和庄稼的生长有益。这些结果显示了用硝化抑制剂 DMPP 生产混合物控制硝酸盐和滋养的阳离子沥滤损失的铵或铵的可能性,最小化在浅地下水的硝酸盐污染的风险。 | YU Qiaogang YE Xuezhu CHEN Yingxu ZHANG Zhijian TIAN Guangming | 2008 | Journal of Environmental Sciences2008，20，3： | 14 |
| 13 | Spatial analyzing system for urban land-use management based on GIS and multi-criteria assessment modeling显示文摘城市的陆地管理在城市的计划和开发上在生态的过程,环境进程和过程上要求大量数据的集成。这篇论文联合了与遥感(RS ) 当模特儿的陆地适用性,美化生态的分析和地理信息系统(GIS ) 为城市的扩大陆地管理开发一个空间分析系统。空间分析系统为城市的扩大土地的适用性评估在 GIS 合并多标准机制的使用。灰关系分析(GRA ) 与分析层次过程(AHP ) 被相结合在评估的过程期间探讨不确定性。这条途径被使用明确地在长沙城市里为未来陆地保存和开发识别限制和机会,中国。方法论的确认关于生态的适用性与以前的独立研究显示出巧合的高度。方法论能在环境保护,陆地管理并且地区性的计划是有用的。 | Fu Yang Guangming Zeng Chunyan Du Lin Tang Jianfei Zhou Zhongwu Li | 2008 | Progress in Natural Science:Materials International2008，18，10： | 12 |
| 14 | Effects of different sludge disintegration methods on sludge moisture distribution and dewatering performance显示文摘A key step in sludge treatment is sludge dewatering. However, activated sludge is generally very difficult to be dewatered. Sludge dewatering performance is largely affected by the sludge moisture distribution. Sludge disintegration can destroy the sludge structure and cell wall, so as change the sludge floc structure and moisture distribution, thus affecting the dewatering performance of sludge. In this article, the disintegration methods were ultrasound treatment, K2 Fe O4oxidation and KMn O4 oxidation. The degree of disintegration(DDCOD), sludge moisture distribution and the final water content of sludge cake after centrifuging were measured. Results showed that three disintegration methods were all effective, and K2 Fe O4oxidation was more efficient than KMn O4 oxidation. The content of free water increased obviously with K2 Fe O4and KMn O4 oxidations, while it decreased with ultrasound treatment. The changes of free water and interstitial water were in the opposite trend. The content of bounding water decreased with K2 Fe O4oxidation, and increased slightly with KMn O4 oxidation, while it increased obviously with ultrasound treatment. The water content of sludge cake after centrifuging decreased with K2 Fe O4oxidation, and did not changed with KMn O4 oxidation, but increased obviously with ultrasound treatment. In summary, ultrasound treatment deteriorated the sludge dewaterability, while K2 Fe O4and KMn O4 oxidation improved the sludge dewaterability. | Lingyun Jin Guangming Zhang Xiang Zheng | 2015 | Journal of Environmental Sciences2015，27，2： | 12 |
| 15 | Metamorphic Characteristics and Tectonic Implications of the Kadui Blueschist in the Central Yarlung Zangbo Suture Zone,Southern Tibet显示文摘The Kadui blueschist is located in the central section of Yarlung Zangbo suture zone(YZSZ), southern Tibet, and has been subjected to the subduction of the Neo-Tethyan Ocean below the Asian Plate and provides important clues for better understanding the evolution of the India-Asia convergence zone. In this paper, the systematical petrographic and mineral chemical studies were carried out on the Kadui blueschist, which reveal a mineral assemblage of sodic amphibole, chlorite, epidote, albite and quartz with accessory minerals of titanite, calcite and zircon. Electron microprobe analyses demonstrate that amphibole shows zoned from actinolite core to ferrowinchite/riebeckite rim composition indicating that the sodic amphibole has formed during a prograde metamorphic event. The protolith of the blueschist is an intermediate-basic pyroclastic rock. The calculated pseudosection indicates a clockwise P-T path and constrains peak metamorphic conditions of about 5.9 kbar at 345 ℃. This condition is transitional between pumpellyite-actinolite, greenschist and blueschist facies with a burial depth of 20–22 km and a thermal gradient of 15–16 ℃/km. This thermal gradient belongs to high pressure intermediate P/T facies series and is possibly related to a warm subduction setting of young oceanic slabs. Our new findings indicate that the Kadui blueschist in the central part of YZSZ experienced a rapid subduction and exhumation process as a response to a northward subduction of the Neo-Tethyan oceanic lithosphere during the initial India-Asia collision stage. | Guangming Sun Xu-Ping Li WenYong Duan Shuang Chen Zeli Wang Lingquan Zhao Qingda Feng | 2018 | Journal of Earth Science2018，29，5： | 12 |
| 16 | CRISPR/Cas9-mediated disruption of TaNP1 genes results in complete male sterility in bread wheat显示文摘Male sterile genes and mutants are valuable resources in hybrid seed production for monoclinous crops.High genetic redundancy due to allohexaploidy makes it difficult to obtain the nuclear recessive male sterile mutants through spontaneous mutation or chemical or physical mutagenesis methods in wheat.The emerging effective genome editing tool,CRISPR/Cas9 system,makes it possible to achieve simultaneous mutagenesis in multiple homoeoalleles.To improve the genome modification efficiency of the CRISPR/Cas9 system in wheat,we compared four different RNA polymerase(Pol)Ⅲpromoters(TaU3 p,TaU6 p,OsU3 p,and OsU6 p)and three types of sgRNA scaffold in the protoplast system.We show that the TaU3 promoter-driven optimized sgRNA scaffold was most effective.The optimized CRISPR/Cas9 system was used to edit three TaNP1 homoeoalleles,whose orthologs,OsNP1 in rice and ZmIPE1 in maize,encode a putative glucose-methanol-choline oxidoreductase and are required for male sterility.Triple homozygous mutations in TaNP1 genes result in complete male sterility.We further demonstrated that anyone wild-type copy of the three TaNP1 genes is sufficient for maintenance of male fertility.Taken together,this study provides an optimized CRISPR/Cas9 vector for wheat genome editing and a complete male sterile mutant for development of a commercially viable hybrid wheat seed production system. | Jian Li Zheng Wang Guangming He Ligeng Ma Xing Wang Deng | 2020 | Journal of Genetics and Genomics2020，47，5： | 12 |
| 17 | Feasibility of bioleaching combined with Fenton oxidation to improve sewage sludge dewaterability显示文摘A novel joint method of bioleaching with Fenton oxidation was applied to condition sewage sludge. The specific resistance to filtration(SRF) and moisture of sludge cake(MSC) were adopted to evaluate the improvement of sludge dewaterability. After 2-day bioleaching, the sludge p H dropped to about 2.5 which satisfied the acidic condition for Fenton oxidation.Meanwhile, the SRF declined from 6.45 × 1010 to 2.07 × 1010s2/g, and MSC decreased from91.42% to 87.66%. The bioleached sludge was further conditioned with Fenton oxidation. From an economical point of view, the optimal dosages of H2O2 and Fe2+were 0.12 and 0.036 mol/L,respectively, and the optimal reaction time was 60 min. Under optimal conditions, SRF,volatile solids reduction, and MSC were 3.43 × 108s2/g, 36.93%, and 79.58%, respectively. The stability and settleability of sewage sludge were both improved significantly. Besides,the results indicated that bioleaching-Fenton oxidation was more efficient in dewatering the sewage sludge than traditional Fenton oxidation. The sludge conditioning mechanisms by bioleaching-Fenton oxidation might mainly include the flocculation effects and the releases of extracellular polymeric substances–bound water and intercellular water. | Changgeng Liu Panyue Zhang Chenghua Zeng Guangming Zeng Guoyin Xu Yi Huang | 2015 | Journal of Environmental Sciences2015，27，2： | 12 |
| 18 | Superabsorbent Fibers for Comfortable Disposable Medical Protective Clothing显示文摘Disposable medical protective clothing for 2019-nCoV mainly consists of stacked layers with nanopore films,polymer coated nonwoven fabrics and melt-blown nonwoven fabrics against anti-microbial and anti-liquid penetration.However,such structures lack moisture permeability and breathability leading to an uncomfortable,stuffy wearing experience.Here,we propose a novel medical protective clothing material with a superabsorbent layer to enhance moisture absorption.Poly(acrylic acid-co-acrylamide)/polyvinyl alcohol superabsorbent fibers(PAAAM/PVA fibers)were prepared via wet spinning.And the superabsorbent composite layer was stacked from PAAAM/PVA fibers,bamboo pulp fibers(BPF)and ethylene-propyl-ene side by side fibers(ESF).The novel disposable medical protective composite fabric was obtained through gluing the superabsorbent layer to the inner surface of strong antistatic polypropylene nonwoven fabric.The resultant composite fabric possesses excellent absorption and retention capacity for sweat,up to 12.3 g/g and 63.8%,and a maximum hygroscopic rate of 1.04 g/h,higher than that of the conventional material(only 0.53 g/h).The moisture permeability of the novel material reached 12,638.5 g/(m^(2) d),which was 307.6%of the conventional material.The novel material can effectively reduce the humidity inside the protective clothing and significantly improve the comfort of medical staff. | Lin Yang Hong Liu Shuai Ding Jiawei Wu Yan Zhang Zhongzhen Wang Lili Wei Mingwei Tian Guangming Tao | 2020 | Advanced Fiber Materials2020，2，3： | 11 |
| 19 | Consensus of high-order dynamic multi-agent systems with switching topology and time-varying delays显示文摘This paper studies the consensus problems for a group of agents with switching topology and time-varying communication delays,where the dynamics of agents is modeled as a high-order integrator.A linear distributed consensus protocol is proposed,which only depends on the agent's own information and its neighbors'partial information.By introducing a decomposition of the state vector and performing a state space transformation,the closed-loop dynamics of the multi-agent system is converted into two decoupled subsystems.Based on the decoupled subsystems,some sufficient conditions for the convergence to consensus are established,which provide the upper bounds on the admissible communication delays.Also,the explicit expression of the consensus state is derived.Moreover,the results on the consensus seeking of the group of high-order agents have been extended to a network of agents with dynamics modeled as a completely controllable linear time-invariant system.It is proved that the convergence to consensus of this network is equivalent to that of the group of high-order agents.Finally,some numerical examples are given to demonstrate the effectiveness of the main results. | Fangcui JIANG,Long WANG,Guangming XIE(Institute of Intelligent Engineering,Center for Systems and Control,College of Engineering,and Key Laboratory of Machine Perception(Ministry of Education),Peking University,Beijing 100871,China) | 2010 | 控制理论与应用(英文版)2010，8，1： | 11 |
| 20 | An Optimization Algorithm for Service Composition Based on an Improved FOA显示文摘Large-scale service composition has become an important research topic in Service-Oriented Computing(SOC). Quality of Service(Qo S) has been mostly applied to represent nonfunctional properties of web services and to differentiate those with the same functionality. Many studies for measuring service composition in terms of Qo S have been completed. Among current popular optimization methods for service composition, the exhaustion method has some disadvantages such as requiring a large number of calculations and poor scalability. Similarly,the traditional evolutionary computation method has defects such as exhibiting slow convergence speed and falling easily into the local optimum. In order to solve these problems, an improved optimization algorithm, WS FOA(Web Service composition based on Fruit Fly Optimization Algorithm) for service composition, was proposed, on the basis of the modeling of service composition and the FOA. Simulated experiments demonstrated that the algorithm is effective, feasible, stable, and possesses good global searching ability. | Yiwen Zhang Guangming Cui Yan Wang Xing Guo Shu Zhao | 2015 | Tsinghua Science and Technology2015，20，1： | 11 |
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