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| 1 | Amplitudes, rates, periodicities and causes of temperature variations in the past 2485 years and future trends over the central-eastern Tibetan Plateau显示文摘Amplitudes, rates, periodicities, causes and future trends of temperature variations based on tree rings for the past 2485 years on the central-eastern Tibetan Plateau were analyzed. The results showed that extreme climatic events on the Plateau, such as the Medieval Warm Period, Little Ice Age and 20th Century Warming appeared synchronously with those in other places worldwide. The largest amplitude and rate of temperature change occurred during the Eastern Jin Event (343-425 AD), and not in the late 20th century. There were significant cycles of 1324 a, 800 a, 199 a, 110 a and 2-3 a in the 2485-year temperature series. The 1324 a, 800 a, 199 a and 110 a cycles are associated with solar activity, which greatly affects the Earth surface temperature. The long-term trends (>1000 a) of temperature were controlled by the millennium-scale cycle, and amplitudes were dominated by multi-century cycles. Moreover, cold intervals corresponded to sunspot minimums. The prediction indicated that the temperature will decrease in the future until to 2068 AD and then increase again. | LIU YU CAI QiuFang SONG HuiMing AN ZhiSheng Hans W. LINDERHOLM | 2011 | Chinese Science Bulletin2011，56，28： | 23 |
| 2 | Tree-ring-based reconstruction of the April to September mean temperature since 1826 AD for north-central Shaanxi Province,China显示文摘Long-time series of high-resolution temperature record from Chinese Loess Plateau is rare. An April-September mean temperature reconstruction (1826-2004) has been developed for the north-central Shaanxi Province, China, based on tree-ring width analysis. The reconstruction captures 39.3% (p<0.001) of the variance in the instrumental data over the calibration period from 1951 to 2002. The reconstruction shows a high temperature period of 1928-1933, which coincides with the timing of the extreme drought event in 1920s in the entire northern China. The two low temperature periods in reconstruction are 1883-1888 and 1938-1942. With the global warming, the April-September mean temperature in study area has also increased since the 1970s, but has not exceeded the temperature in 1928-1933. Besides the statistical analysis, the reconstruction is also verified by the local dryness/wetness index and other dendroclimatological results. | CAI QiuFang LIU Yu SONG HuiMing SUN JunYan | 2008 | Science China Earth Sciences2008，51，8： | 10 |
| 3 | Tree-ring-based annual precipitation reconstruction in Kalaqin, Inner Mongolia for the last 238 years显示文摘A tree-ring-width chronology of Pinus tabulaeformis from Kalaqin, Inner Mongolia was developed using modern dendroc hronological techniques. Based on the results of correlation function analysis, the total precipitation from the previous August to current July was reconstructed for 1771-2008 AD with an explained variance of 49.3%. The reconstruction correlated well with the dryness/wetness series derived from historical documents, as well as the precipitation reconstruction of the Chifeng-Weichang region. There were eight intervals with greater precipitation than the average (associated with the strong East Asian summer monsoon) and seven intervals lower than the average (weak monsoon). A power spectrum analysis showed that there were 120 a, 80 a, 8 a and 2 a periodicities. | LIU Yu WANG CaiYong HAO WenJun SONG HuiMing CAI QiuFang TIAN Hua SUN Bo Hans W. LINDERHOLM | 2011 | Chinese Science Bulletin2011，56，28： | 9 |
| 4 | The 600-mm precipitation isoline distinguishes tree-ring-width responses to climate in China显示文摘The numerous temperature and precipitation reconstructions in China based on tree-ring-width data have played significant roles in furthering the understanding of past climate changes. However, the geographical variability in the responses of trees to climate variations in China remains largely undetermined. Here, we describe an important spatial boundary in the response of trees to climate variations, namely the 600-mm annual precipitation isoline. We found that, to the north of this line, tree-ring widths are usually positively correlated with precipitation and negatively correlated with growing-season temperature. To the south of this line, the tree-ring widths respond positively to temperature, and winter half-year temperatures are the main reconstructed parameters, especially on the third topographical step of China. We also found that precipitation reconstructions based on tree-ring data and the Palmer Drought Severity Index almost exclusively fall in the region of the 200- to 600-mm annual precipitation isolines, not other regions. Our findings indicate that, when using multiple tree-ring-width chronologies for large-scale past climate reconstructions, the climatic signal of each tree-ring-width series should be carefully considered. | Yu Liu Huiming Song Changfeng Sun Yi Song Qiufang Cai Ruoshi Liu Ying Lei Qiang Li | 2019 | National Science Review2019，6，2： | 8 |
| 5 | Effect of CO_2 Gas on the Swelling and Tribological Behaviors of NBR Rubber in Water显示文摘The swelling and tribological behaviors of nitrile-butadience(NBR) rubbers with three acrylonitrile contents(N18,N26 and N41) in water with different CO_2 gas flows are investigated by immersion and wear experiments.The results show that the bubbles of CO_2 into water severely destroy the cross-linking network of rubber and form defects on the surface,such as cracks,holes and lamellar perks.These defects lead to an increase in the static and dynamic swelling increment.The dynamic swelling increment is almost three or four times larger than the static swelling increment.The hardness and wear resistance of rubbers in water with CO_2 gas remarkably decreases in contrast to that in water,and they gradually decrease with an increase in the gas flow in water.The bubbles of CO_2 decrease the steady frictional coefficient of rubber in water due to the presence of the gas in water lubricant film.The steady frictional coefficient in water with different CO_2 gas flow basically remains 0.1.N41 with high acrylonitrile content shows better swelling and wear resistances than N18 and N26 because of its dense molecular network. | Xiaoren Lv Shuyuan Song Huiming Wang Shijie Wang | 2015 | Journal of Materials Science & Technology2015，31，12： | 6 |
| 6 | A wetness index derived from tree-rings in the Mt. Yishan area of China since 1755 AD and its agricultural implications显示文摘Dendroclimatological techniques were employed to investigate the relationship between Chinese Pinus(Pinus tabulaeformis Carr.) growth and climatic variability in the Mt.Yishan region of Shandong Province, China, over the past253 years. Using regression analysis, the wetness index(WI)was reconstructed for the Mt. Yishan area for the period1755–2007 AD based on tree-ring widths; predictor variables accounted for 40 % of the variance. The reconstructed timeseries displayed an increasing trend after the late 1960 s. Both the estimated and the observed WI for May–August were better correlated with precipitation than temperature during the period 1958–2007 AD, indicating that the contribution of precipitation to the WI was larger than temperature in the study area. The reconstructed WI was compared with the dryness/wetness index of China and land areas that were affected by droughts and floods using the agricultural statistics for Shandong Province. In addition, the WI time-series corresponded well with the peanut yield in Shandong Province at high frequency, which may be reasonable in the context of agriculture in Shandong. The 3-, 5- to 6- and 9- to10-year periodicities detected in the time-series suggested that the reconstructed WI in the Mt. Yishan area may be related to large-scale climate variations. | Ying Lei Yu Liu Huiming Song Bo Sun | 2014 | Chinese Science Bulletin2014，59，27： | 6 |
| 7 | Predictive Vegetation Mapping Approach Based on Spectral Data, DEM and Generalized Additive Models显示文摘This study aims to provide a predictive vegetation mapping approach based on the spectral data, DEM and Generalized Additive Models (GAMs). GAMs were used as a prediction tool to describe the relationship between vegetation and environmental variables, as well as spectral variables. Based on the fitted GAMs model, probability map of species occurrence was generated and then vegetation type of each grid was defined according to the probability of species occurrence. Deviance analysis was employed to test the goodness of curve fitting and drop contribution calculation was used to evaluate the contribution of each predictor in the fitted GAMs models. Area under curve (AUC) of Receiver Operating Characteristic (ROC) curve was employed to assess the results maps of probability. The results showed that: 1) AUC values of the fitted GAMs models are very high which proves that integrating spectral data and environmental variables based on the GAMs is a feasible way to map the vegetation. 2) Prediction accuracy varies with plant community, and community with dense cover is better predicted than sparse plant community. 3) Both spectral variables and environmental variables play an important role in mapping the vegetation. However, the contribution of the same predictor in the GAMs models for different plant communities is different. 4) Insufficient resolution of spectral data, environmental data and confounding effects of land use and other variables which are not closely related to the environmental conditions are the major causes of imprecision. | SONG Chuangye HUANG Chong LIU Huiming | 2013 | Chinese Geographical Science2013，23，3： | 5 |
| 8 | Development and molecular analysis of a novel acetohydroxyacid synthase rapeseed mutant with high resistance to sulfonylurea herbicides显示文摘With the increasing promotion of simplified rapeseed cultivation in recent years,the development of cultivars with high resistance to herbicides is urgently needed.We previously developed M342,which shows sulfonylurea herbicide resistance,by targeting acetohydroxyacid synthase(AHAS),a key enzyme in branched-chain amino acid synthesis.In the present study,we used a progeny line derived from M342 for an additional round of ethyl methane sulfonate mutagenesis,yielding the novel mutant DS3,which harbored two mutations in AHAS genes and showed high sulfonylurea resistance.One mutation was the substitution Trp574 Leu,as in M342,according to Arabidopsis protein sequencing.The other site was a newly recognized substitution,Pro197 Leu.A KASP marker targeting Pro197 Leu was developed and reliably predicted the response to sulfonylurea herbicides in the F2 population.The combination of Trp574 Leu and Pro197 Leu in DS3 produced a synergistic effect that greatly increased herbicide resistance.Analysis of the protein structures of AHAS1 and AHAS3 in wild-type and single-gene mutant plants revealed three-dimensional protein conformational changes that could account for differences in herbicide resistance characteristics including toxicity tolerance,AHAS enzyme activity,and AHAS gene expression. | Yue Guo Changle Liu Weihua Long Jianqin Gao Jiefu Zhang Song Chen Huiming Pu Maolong Hu | 2022 | The Crop Journal2022，10，1： | 3 |
| 9 | Divergence of tree-ring-based drought reconstruction between the individual sampling site and the Monsoon Asia Drought Atlas: an example from Guancen Mountain显示文摘To evaluate the applicability of the Standardized Precipitation-Evapotranspiration Index(SPEI) and the self-calibrated Palmer Drought Severity Index(sc PDSI) to paleoclimate reconstructions in the east Asian summer monsoon region, we used a 194-year tree-ring width chronology from Guancen Mountain, Shanxi Province,China, to investigate its correlation with SPEI and sc PDSI,respectively. The results indicated sc PDSI as a robust drought index that could be reconstructed from tree-ring width on Guancen Mountain. Significant correlations with other hydroclimate-related series illustrated that our reconstruction captured common variations of hydroclimate in the surrounding areas. Additionally, our reconstructionshowed significant correlation with nearby grid points of the Monsoon Asia Drought Atlas(MADA). However,while unprecedented drying trend existed during the past several decades in MADA, it was not represented in our reconstruction or in instrumental sc PDSI/Dai-PDSI. This may imply that MADA overestimated drought severity during the past several decades in our study area; this overestimation was probably caused by an insufficient spatiotemporal distribution of the tree-ring network used by MADA. Therefore, more drought reconstructions based on individual sampling sites in eastern Asia are necessary to gain a thorough understanding of the Asian Monsoon climate variability. | Qiang Li Yu Liu Huiming Song Yinke Yang Boyang Zhao | 2015 | Science Bulletin2015，60，19： | 2 |
| 10 | Why Does Extreme Rainfall Occur in Central China during the Summer of 2020 after a Weak El Niño?显示文摘In summer 2020,extreme rainfall occurred throughout the Yangtze River basin,Huaihe River basin,and southern Yellow River basin,which are defined here as the central China(CC)region.However,only a weak central Pacific(CP)El Niño happened during winter 2019/20,so the correlations between the El Niño–Southern Oscillation(ENSO)indices and ENSO-induced circulation anomalies were insufficient to explain this extreme precipitation event.In this study,reanalysis data and numerical experiments are employed to identify and verify the primary ENSO-related factors that cause this extreme rainfall event.During summer 2020,unusually strong anomalous southwesterlies on the northwest side of an extremely strong Northwest Pacific anticyclone anomaly(NWPAC)contributed excess moisture and convective instability to the CC region,and thus,triggered extreme precipitation in this area.The tropical Indian Ocean(TIO)has warmed in recent decades,and consequently,intensified TIO basinwide warming appears after a weak El Niño,which excites an extremely strong NWPAC via the pathway of the Indo-western Pacific Ocean capacitor(IPOC)effect.Additionally,the ENSO event of 2019/20 should be treated as a fast-decaying CP El Niño rather than a general CP El Niño,so that the circulation and precipitation anomalies in summer 2020 can be better understood.Last,the increasing trend of tropospheric temperature and moisture content in the CC region after 2000 is also conducive to producing heavy precipitation. | Congxi FANG Yu LIU Qiufang CAI Huiming SONG | 2021 | Advances in Atmospheric Sciences2021，38，12： | 2 |
| 11 | Trace elements in tree rings and their environmental effects: A case study in Xi’an City显示文摘Using wet digested method and ICP mass spectrometer, we analyzed the concentration of five trace elements (Cd, Mn, P, Zn and Pb) for the tree rings from both urban and suburbs of Xi'an. At the urban sampling site, one Chinese mahogany (Toona sinensis) disc and one phoenix tree (Firmiana simplex) disc were sampled from a steelworks in Xi'an City. At the suburb site, a Chinese mahogany disc was collected from a village in the south of the City. In addition, some soils near the roots of the sampled trees were collected. The analysis results indicate that the concentration of each of the five elements in annual rings has a positive correlation with the production of the steelworks. Statistical calculations show that Pb and Mn elements were stable without lag effects. That means these two elements do not move between rings. Cd displayed one year moving, P two years and Zn three years. These results are quite similar to those found by other methods. | LIU Yu TA WeiYuan BAO TingYi YANG ZengYue SONG HuiMing LIU Na WANG WeiPing ZHANG HongYi ZHANG Wei AN ZhiSheng | 2009 | Science China Earth Sciences2009，52，4： | 2 |
| 12 | Characterization of methylated and unmethlyated CpG oligodeoxynucleotides by electrospray ionization tandem mass spectrometry显示文摘 | MA Huiming ZHANG Wenbing SONG Renfang | 2005 | Eur J Mass Spectrom2005，11，： | 1 |
| 13 | Tree-ring-based precipitation reconstruction for Mt. Xinglong, China, since AD 1679显示文摘 | Yu Liu Bo Sun Huiming Song Ying Lei Caiyong Wang | 2013 | Quaternary International2013，，： | 1 |
| 14 | Precipitation reconstruction from Hailar pine ( Pinus sylvestris var. mongolica ) tree rings in the Hailar region, Inner Mongolia, China back to 1865 AD显示文摘 | Yu Liu Guang Bao Huiming Song Qiufang Cai Junyan Sun | 2009 | Palaeogeography, Palaeoclimatology, Palaeoecology2009，，1： | 1 |
| 15 | Hydrophobic-modified nano-cellulose fiber/PLA biodegradable composites for lowering water vapor transmission rate (WVTR) of paper 显示文摘 | Zhongping Song Huiming Xiao Yi Zhao | 2014 | Carbohydrate Polymers2014，111，： | 1 |
| 16 | Formation mechanism of carbonates in the lacustrine muddy shale and it implication for shale oil and gas: A case study of source rocks in Member 4 and Member 3 of Shahejie Formation, Dongying sag显示文摘Through analysis of microscopic characteristics,mineral components,elements and isotopes,the genetic mechanism of carbonates in the deep lacustrine source rocks in the upper submember of Member 4 and lower submember of Member 3 of Shahejie Formation in Dongying sag,is well investigated.The results show that four types of carbonates in the deep lake,i.e.,lenticular coarse crystalline carbonate,lamellar micro-fine crystalline carbonate,lamellar cryptocrystalline carbonate and massive cryptocrystalline carbonate.Of which,the lenticular coarse crystalline carbonate is formed by diagenetic recrystallization.For the lamellar micro-fine crystalline carbonate and the lamellar cryptocrystalline carbonate,through the alga photosynthesis,the carbon dioxide(CO_(2))is constantly extracted from water,thus the concentration of CO_(3)^(-2) ion in water increases,and then the CO_(3)^(-2) ion reacts with Ca2+ ion in lake water surface to form the carbonates;the saline water environment is favorable for preservation of carbonate particles which mostly occur in lamellar micro-fine crystalline;in the brackish water environment,the water is deep,and the carbonate crystalline beneath the carbonate compensation depth surface is usually is dissolved,and most of lamellar cryptocrystalline are preserved.The massive cryptocrystalline carbonate is formed by the sedimentary carbonate which transport from shallow water to deep water by gravity flow.To some extent,the carbonates control reservoir property and compressibility of muddy shale in the upper submember of Member 4 and lower submember of Member 3 of Shahejie Formation in Dongying sag,and provide important information for reconstruction of sedimentary environment of the ancient lake. | Yong Wang Huiming Liu Guoqi Song Xuefeng Hao Deshun Zhu Deyan Zhu | 2018 | Petroleum Research2018，3，3： | 1 |
| 17 | Optimization of the Aqueous Enzymatic Extraction of Wheat Germ Oil Using Response Surface Methodology显示文摘 | Li Huijing Song Chunlei Zhou Huiming | 2011 | Journal of the American Oil Chemistry So- ciety2011，88，6： | 1 |
| 18 | Optimization of the Aqueous Enzymatic Extraction of Wheat Germ Oil Using Response Surface Methodology显示文摘 | Huijing Li Chunlei Song Huiming Zhou | 2012 | J Am Oil Chem Soc2012，88，6： | 1 |
| 19 | Identification and characterization of wheat long non-protein coding RNAs responsive to powdery mildew infection and heat stress by using micruarray analysis and SBS sequencing 显示文摘 | Mingming Xin Yu Wang Yingyin Yao Na Song Zhaorong Hu Dandan Qin Chaojie Xie Huim Peng Zhongfu Ni Qixin Sun | 2011 | BMC Plant Biology2011，11，1： | 1 |
| 20 | Effect of carbonization atmosphere on the structure changes of PAN carbon membranes显示文摘 | Chengwen Song Tonghua Wang Yinghua Qiu Jieshan Qiu Huiming Cheng | 2009 | Journal of Porous Materials2009，，2： | 1 |
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