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| 1 | Spatial associations of tree species in a subtropical evergreen broad-leaved forest显示文摘Aims The spatial segregation hypothesis and the low-frequency hypothesis are two important proposed mechanisms that delay or prevent competitive exclusion in ecosystems.Because tree species interact with their neighbors,the importance of these potential processes can be investigated by analyzing the spatial structures of tree species.Methods The distribution of the adults of 27 common tree species in a fully mapped 5-ha subtropical forest plot in Baishanzu,eastern China,was analyzed to investigate the community-level intra-and interspecific spatial association patterns.We first tested for the overall spatial pattern in the 5-to 40-m neighborhoods and classified first-order bivariate associations with a diametric scheme based on Ripley’s K and nearest-neighbor statistic(G-function).Then heterogeneous Poisson null models were used to distinguish second-order interactions from overall spatial associations(including first-order effects).Finally,we analyzed correlations between the existence of species interactions and some attributes of the species involved.Important Findings Partial overlap and segregation increased with scale,whereas mixing decreased.Nearly 70%of the species pairs occurred less than expected at random,and only 3.4%of the species pairs were well mixed;11.0%of all species pairs showed significant small-scale interactions,which was a greater frequency than expected by chance if species are abundant or prefer the same habitat,but less frequent than expected if species are highly aggregated.This suggests that both spatial segregation and low frequency of species facilitate species coexistence by reducing the opportunity that trees of two species encounter each other.The study also revealed that positive interactions were more prevalent than negative interactions in the forest,which indicates that positive interactions may have important effects on forest species assemblies. | Zheng R.Luo Ming J.Yu De L.Chen You G.Wu Bing Y.Ding | 2012 | Journal of Plant Ecology2012,5,3: | 8 |
| 2 | Laser shock peening on fatigue crack growth behaviour of aluminium alloy显示文摘 | Y.TAN G.WU J.‐M.YANG T.PAN | 2004 | Fatigue & Fracture of Engineering Materials & Structures2004,,8: | 1 |
| 3 | Hepatitis G virus infection in acute fulminant hepatitis: prevalence of HGV infection and sequence analysis of a specific viral strain显示文摘 | L.Sheng A.Soumillion N.Beckers C.‐G.Wu C.Verslype F.Nevens J.Pirenne R.Aerts H.Kosala J.Fevery S. H.Yap | 2002 | Journal of Viral Hepatitis2002,,5: | 1 |
| 4 | Cryptococcal meningitis: an analysis among 5521 consecutive organ transplant recipients显示文摘 | G.Wu R.A.Vilchez B.Eidelman J.Fung R.Kormos S.Kusne | 2003 | Transplant Infectious Disease2003,,4: | 1 |
| 5 | Reversible Hydrogen Storage by a Li–Al–N–H Complex显示文摘 | Z.Xiong G.Wu J.Hu Y.Liu P.Chen W.Luo J.Wang | 2007 | Adv Funct Mater2007,,7: | 1 |
| 6 | Reliability analysis of climate change of tropical cyclone activity over the western North Pacific显示文摘 | Ren E J.Liang G.Wu W.Dong and X.Yang | | 0,,: | 1 |
| 7 | Online Word-of-Mouth (or Mouse):An Exploration of Its Antecedents and Consequences显示文摘 | T.Sun S.Youn G.Wu | | 0,,04: | 1 |
| 8 | Ternary Imides for Hydrogen Storage显示文摘 | Z.Xiong G.Wu J.Hu | 2004 | Adv Mater2004,,17: | 1 |
| 9 | TRIENNIAL GROWTH SYMPOSIUM:Important roles for I-glutamine in swine nutrition and production显示文摘 | G.Wu F.W.Bazer G.A.Johnson | | 0,,: | 1 |
| 10 | Cellular repressor of E1A-stimulated genes inhibits human vascular smooth muscle cell apoptosis via blocking P38/JNK MAP kinase activation显示文摘 | Y.Han G.Wu J.Deng | | 0,,: | 1 |
| 11 | Reversible Hydrogen Storage by a Li–Al–N–H Complex显示文摘 | Z.Xiong G.Wu J.Hu Y.Liu P.Chen W.Luo J.Wang | 2007 | Adv Funct Mater2007,,7: | 1 |
| 12 | 3D-Stacked Multistage Inertial Microfluidic Chip for High-Throughput Enrichment of Circulating Tumor Cells显示文摘Whether for cancer diagnosis or single-cell analysis,it remains a major dhallenge to isolate the target sample cells from a large background cell for high-efficiency downstream detection and analysis in an integrated chip.Therefore,in this paper,we propose a 3D stacked multistage inertial microfluidic sorting chip for high-throughput enrichment of circulating tumor cells(CTCs)and convenient downstream analysis.In this chip,the first stage is a spiral channel with a trapezoidal cross-section,which has better separation performance than a spiral channel with a rectangular cross-section.The second and third stages adopt symmetrical square serpentine channels with different rectangular cross-section widths for further separation and enrichment of sample cells reducing the outlet flow rate for easier downstream detection and analysis.The multistage channel can separate 5 pum and 15 um particles with a separation efficiency of 92.37%and purity of 98.10%at a high inlet flow rate of 1.3 mL/min.Meanwhile,it can separate tumor cells(SW480,A549,and Caki-1)from massive red blood cells(RBCs)with a.separation efficiency of>80%,separation purity of>90%,and a concentration fold of~20.The proposed work is aimed at providing a high-throughput sample processing system that can be easily integrated with flowing sample detection methods for rapid CTC analysis. | X.Xu X.Huang J.Sun J.Chen G.Wu Y.Yao N.Zhou S.Wang L.Sun | 2022 | Cyborg and Bionic Systems2022,,1: | 0 |
| 13 | 日粮养分浓度对8个商品系21~36周龄来航蛋鸡的生产性能、蛋组成成分、固形物含量、蛋品质及效益的影响显示文摘本试验采用3×8因子试验设计,3个养分浓度水平(低、中和高浓度)8个来航蛋鸡商品系。试验研究了在饲养第I阶段(21~36周龄)同时增加日粮能量浓度及其他养分(氨基酸、钙及有效磷)浓度对8个商品系来航蛋鸡的生产性能、蛋组成成分、固形物含量、蛋品质及生产效益的影响。试验期为16周,8个品系(每个品系270只),在21周龄时随机分为24个处理(6重复/处理,15只/重复)。试验结果表明:除体重外,品系与日粮间无交互作用;除死亡率、蛋固形物含量和蛋黄颜色外,品系对其他测定参数都有显著影响。当养分浓度增加时,鸡只通过调节采食量控制能量的摄入,因此生成每克鸡蛋所需的能量(5.8~5.9kcal)是相等的;随着养分浓度的增加,蛋重和饲料转化率呈线性增加,而蛋比重和哈氏单位呈线性降低;同时发现日粮浓度的增加与蛋白固形物含量呈二次曲线关系;而增加日粮能量浓度和其他养分(氨基酸、钙及有机磷)浓度可使蛋黄和蛋白重量均显著增加,最终使产蛋初期的蛋重显著增加。结论:产蛋初期,同时增加日粮能量浓度和其他养分(氨基酸、钙及有效磷)浓度可能会使蛋重的遗传潜力得到最优表现。但因为鸡蛋价格和饲料原料价格随市场性波动较大,所以很难确定得到最佳生产效益所需的最佳养分浓度。 | G.Wu 艾琴 | 2007 | 中国畜牧兽医2007,34,12: | 0 |
| 14 | 妊娠期和泌乳期在日粮中补充精氨酸对初产母猪泌乳和哺育仔猪性能的影响显示文摘本试验采用随机区组设计中的2×2因子排列,测定在妊娠期和泌乳期日粮中补充精氨酸对38头初产小母猪泌乳性能的影响。在妊娠30d,将怀孕母猪按照体重分配到2个组中:日粮中添加1%的L-ArgHCl(处理组)和日粮中添加1.7%的L-Ala(作为等氮对照组)。产仔后。 | 卢寿锋 R.D.Mateo G.Wu H.K.Moon J.A.Carroll S.W.Kim | 2008 | 饲料与畜牧(新饲料)2008,,7: | 0 |