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21篇 您的检索式:作者名="RU Lin Peng"
    题名 作者 年代 出处 被引量
1Plant fertility defects induced by the enhanced expression of microRNA167显示文摘植物荷尔蒙植物生长素在调整植物生长和开发起一个关键作用。最近的进展在植物生长素反应小径的理解被做了,首先由在 Arabidopsis 的植物生长素反应异种的描述。另外, microRNAs (miRNAs ) 被显示了是为正常植物开发和生理学重要的基因的批评管理者。然而,很少对在 miRNAs 并且在正常开发期间的神经质的发信号之间的可能的相互作用被知道。这里,我们显示出那 Arabidopsis microRNA, miR167,有一个互补序列到 AUXIN 反应 FACTOR6 (ARF6 ) 和 ARF8 mRNAs 的部分,能为 ARF8,然而并非为 ARF6 引起抄本降级。我们报导 35S::MIR167b 的 phenotypic 描述转基因的线,和表演转基因的线有的那严重 35S::MIR167b arf6 arf8 的类似于那些的显型加倍异种。转基因的显型建议 miR167 可以镇压在翻译的水平的 ARF6。我们证明转基因的植物在花的机关的所有四锭盘是有缺点的。在转基因的花,细丝是反常地短的,花药不能适当地释放花粉,并且花粉谷物没发芽。我们的结果提供在表明网络支持的基因表示和植物生长素的调停 miRNA 的规章的小径之间的一个重要连接种繁殖开发。Peng Ru Lin Xu Hong Ma Hai Huang 2006Cell Research2006,16,5:35
2Microstructural and textural evolutions in multilayered Ti/Cu composites processed by accumulative roll bonding显示文摘Ti/Cu multilayered composites were fabricated via accumulative roll bonding(ARB). During codeformation of the constituent metals, the hard Ti layers necked preferentially and then fragmented with the development of shear bands. Transmission electron microscopy showed that with increasing ARB cycles, grains in Ti were significantly refined even though dynamic recrystallization has occurred. For Cu the significant grain refinement was only found within the shear banded region when the composite was processed after five ARB cycles. Due to the diffusion of Cu atoms into Ti at the heterophase interfaces, amorphization with a width less than 10 nm was identified even in the composite processed by one cycle. At higher ARB cycles, the width of amorphous region increased and intermetallic compounds CuTi appeared from the region. The lattice defects introduced at the heterophase interfaces under roll bonding was responsible for the formation of the nano-scaled compounds. X-ray diffraction showed that an abnormal {1120} fiber texture was developed in Ti layers, while significant brass-type textures were developed in Cu layers. Some orientations along the {1120} fiber favored the prismatic < a> slip for Ti.Tensile tests revealed the elevated strength without a substantial sacrifice of ductility in the composites during ARB. The unique mechanical properties were attributed to the significantly refined grains in individual metals, the good bonding between the constituent metals, as well as the development of an abnormal {1120} fiber texture in Ti layers.Shuang Jiang Ru Lin Peng Nan Jia Xiang Zhao Liang Zuo 2019Journal of Materials Science & Technology2019,35,6:6
3Trends in Incidence Rates,Mortality Rates,and Age-Period-Cohort Effects of Cervical Cancer—China,2003–2017显示文摘Introduction:This study reported the trends and analyzed the age-period-cohort effects on the incidence and mortality rates of cervical cancer in China.Methods:The age-standardized incidence rate(ASIR)and mortality rate(ASMR)by Segi’s world standard population were calculated using qualified consecutive data from 22 cancer registries from 2003 to 2017 in China.We performed joinpoint analysis to describe the trends and age-period-cohort analysis to estimate the independent effects of age,period and cohort on trends in incidence and mortality rates of cervical cancer.Results:The ASIR and ASMR for cervical cancer in females over 20 years old increased during 2003−2017.For females<50 years,a decreasing trend in ASIR and a stable trend in ASMR were observed in urban areas after 2009.But the ASIR and ASMR kept increasing in rural areas during the whole period.For females>50 years,the ASIR and ASMR increased both in urban and rural areas.Age-period-cohort analysis showed increasing period effects on cervical cancer incidence and mortality during the whole period.The cohort effects exhibited a downward-upwarddownward pattern for the incidence(1918–1938,1938–1963,1963–1993)and mortality rates(1918–1943,1943–1963,1963–1993)in urban areas,a fluctuating pattern for incidence rate and a continuing downward pattern for mortality rate(1918–1993)in rural areas.Conclusions:The increases in cervical cancer incidence and mortality rates can be mostly explained by period effects.We observed decreases in risk for cervical cancer incidence and mortality in young female generations,which were more obvious in urban areas.Kexin Sun Rongshou Zheng Lin Lei Siwei Zhang Hongmei Zeng Shaoming Wang Li Li Ru Chen Bingfeng Han Ji Peng Wenqiang Wei Jie He 2022China CDC weekly2022,4,48:4
4CRISPR disruption of TCTP gene impaired normal development in the silkworm Bombyx mori显示文摘The translationally controlled tumor protein (TCTP) is a highly conserved and multifunctional protein with activities ranging from cytoskeletal regulation to transcription regulation in numerous organisms. In insects, TCTP is essential for cell growth and proliferation. Recently, TCTP has been reported to affect the innate intestinal immune pathway in the Bombyx mori silkworm, a lepidopteran model insect. However, the comprehensive physiological roles of TCTP in the silkworm remain poorly understood. Here, we performed functional analysis of BmTCTP by using a binary transgenic CRISPR/Cas9 (clustered regularly interspaced short palindromic repeat/RNA-guided CRISPER-associated protein 9 nucleases) system. Disruption of BmTCTP led to developmental arrestment and subsequent lethality in third instar larvae. Histological analysis revealed that growth impairment originated from decreased cell size, and the proliferation and differentiation of intestinal epithelial cells were also affected. RNA-seq analysis revealed that genes involved in carbohydrate metabolism, lipid metabolism and digestive system pathways were significantly affected by BmTCTP depletion. Together, the results demonstrated that BmTCTP plays a key role in controlling larval growth and development.Zu-Lian Liu Jun Xu Lin Ling Ru Zhang Peng Shang Yong-Ping Huang 2019Insect Science2019,26,6:4
5Si对MCrAlY涂层高温性能的影响显示文摘本文开展了在1000℃和1050℃条件下CoCrAlSiY涂层高温抗氧化动力学研究,绘制了CoCrAlY、Si含量2%及5%CoCrAlSiY涂层的氧化动力学曲线,研究了300hr氧化试验后涂层氧化膜的构成、涂层组织和β相的分布,初步探讨了Si元素对改善涂层抗氧化性能的作用机理。研究结果表明:Si元素通过影响氧化膜结构及形成动力学条件、抑制了涂层的内氧化发生,对提高CoCrAlSiY涂层在1000℃以上的抗氧化性能作用显著;Si有在晶界处的富集和提高氧化膜应力的趋势,过高的Si的含量会加剧负面效应,对涂层高温抗氧化性能不利。任先京 张淑婷 杜开平 RU Lin Peng 史记 2016热喷涂技术2016,8,1:3
6Optimal Waist Circumference Cut-off values for Identifying Metabolic Risk Factors in Middle-aged and Elderly Subjects in Shandong Province of China显示文摘Objective To study the optimal waist circumference(WC) cut-off values for identifying metabolic risk factors in middle-aged and elderly subjects in Shandong Province of China. Methods A total of 2 873 men and 5 559 women were included in this cross-sectional study. Metabolic syndrome(MetS) was diagnosed according to the definition of Chinese Diabetes Society in 2004. The relation between WC and MetS was analyzed by multivariate logistic regression analysis. The optimal WC cut-off values were identified using the area under the ROC curve and the different diagnostic criteria for central obesity were compared. Results The WC was the risk factor for MetS independent of BMI, blood glucose, blood lipid, and blood pressure. The optimal WC cut-off value was 83.8 cm and 91.1 cm for identifying MetS in women and men, respectively. Compared with 80 cm and 85 cm for women and men, 85 cm and 90 cm had a higher Youden index for identifying all metabolic risk factors and MetS in women and men. Conclusion The appropriate WC cut-off value is 85 cm and 90 cm for identifying central obesity and MetS in women and men in Shandong Province of China.HOU Xin Guo WANG Chuan MA Ze Qiang YANG Wei Fang WANG Ji Xiang LI Cheng Qiao WANG Yu Lian LIU Shu Min Hu Xiu Ping ZHANG Xiu Ping JIANG Mei WANG Wei Qing NING Guang ZHENG Hui Zhen MA Ai Xia SUN Yu SONG Jun LIN Peng LIANG Kai LIU Fu Qiang LI Wen Juan XIAO Juan GONG Lei WANG Mei Jian LIU Ji Dong YAN Fei YANG Jun Peng WANG Ling Shu TIAN Meng ZHAO Ru Xing JIANG Ling CHEN Li 2014Biomedical and Environmental Sciences2014,27,5:3
7Preparation of polymer-supported phosphine from ferrocene for palladium-catalyzed Suzuki-Miyaura cross-coupling reactions显示文摘Polymer-supported phosphine ligand 3b derived from ferrocene was prepared,and applied in palladium-catalyzed Suzuki- Miyaura reactions.A range of aryl bromides can couple with phenylboronic acid to obtain corresponding biaryls in excellent yields. The recycling of the polymer-bound catalyst was tested without adding palladium.Hong Wei Yu Qing Song Tong Yi Ru Peng Li Jia Ji Cheng Shi Zi Lin Jin 2007Chinese Chemical Letters2007,18,1:2
8Two new isoflavonoids from the rhizomes of Belamcanda chinensis显示文摘Two new isoflavonoids, 6-methoxy-5,7,8,4’-tetrahydryoxyisoflavone (1) and 4’-methoxy -5,6-dihydroxyisoflavone-7-O-β-D-glucopyranoside (2), were isolated from the rhizomes of Belamcanda chinensis (L.) DC. Their structures were elucidated by extensive spectroscopic evidence including ID NMR, 2D NMR, MS and IR spectra.Zhi Jun Song Fan Luo Yan Zhou Bin Ru Bai Shu Lin Peng Li Sheng Ding 2007Chinese Chemical Letters2007,18,6:2
9纳米YSZ热障涂层高温时效过程中组织演变研究显示文摘燃气轮机长期运行过程中,热端部件如燃烧室内壁和前级涡轮叶片长期经受高温火焰冲击,涂层材料会产生时效行为。在时效过程中,热障涂层会发生组织演变,影响涂层性能与寿命。本文对一种高纯纳米YSZ热障涂层进行了不同温度的时效考核,研究材料在高温中组织演变行为,并对涂层孔隙率变化规律进行了热动力学分析。结果表明,在高温过程中,YSZ涂层中残留的纳米界面会进一步融合并逐渐演变为微米晶;受热动力学机制支配,涂层中孔隙闭合消损,造成涂层孔隙率下降。另外,本文还统计分析了涂层的相变行为。原慷 于月光 冀晓鹃 Xin-Hai Li Krishna Praveen Jonnalagadda Ru Lin Peng 2018热喷涂技术2018,10,1:2
10Trends in Incidence Rates,Mortality Rates,and Age-Period-Cohort Effects of Female Breast Cancer—China,2003-2017显示文摘Introduction:This study reported the trends in female breast cancer incidence and mortality rates in China,and analyzed the corresponding age-periodcohort effects.Methods:Data from 22 population-based cancer registries in China between 2003 and 2017 were analyzed.Age-standardized incidence rates(ASIR)and mortality rates(ASMR)were calculated using Segi’s world standard population.Joinpoint regression was employed to evaluate trends,and age-period-cohort effects were examined using the intrinsic estimator method.Results:The ASIR for female breast cancer exhibited a more rapid increase in rural areas compared to urban areas across all age groups.The most substantial increase was observed in the 20-34 age group in rural areas[annual percent change(APC)=9.0%,95%confidence interval(CI):7.0%-11.0%,P<0.001].The ASMR for females under 50 years old remained stable from 2003 to 2017 in both urban and rural areas.However,the ASMR for females over 50 in rural areas and those over 65 in urban areas demonstrated a significant increase,with the most pronounced increase observed among females over 65 in rural areas(APC=4.9%,95%CI:2.8%-7.0%,P<0.001).Age-period-cohort analysis revealed increasing period effects and decreasing cohort effects for female breast cancer incidence and mortality rates in both urban and rural settings.Notably,the cohort effect for incidence displayed a slight upward trend for females born between 1983 and 1992 in rural areas.Conclusions:Our study revealed a rapid increase in breast cancer incidence among younger generations and an accelerated mortality rate in older populations residing in rural areas.To effectively address the growing burden of female breast cancer in China,it is essential to develop and implement targeted intervention strategies.Kexin Sun Lin Lei Rongshou Zheng Siwei Zhang Hongmei Zeng Shaoming Wang Li Li Ru Chen Bingfeng Han Ji Peng Wenqiang Wei Jie He 2023China CDC weekly2023,5,15:1
11Two New Acetyl Cimicifugosides from the Rhizomes of Cimicifuga Racemosa显示文摘Two new acetyl cimicifugosides were isolated from the rhizomes of Cimicifuga racemosa. Their structures were elucidated as 2’-O-acetyl cimicifugoside H-1 1 and 3’-O-acetyl cimicifugoside H-1 2 by the spectroscopic evidence and chemical methods.Chun DAN Rui WANG Shu Lin PENG Bing Ru BAI Li Sheng DING 2006Chinese Chemical Letters2006,17,3:1
12Correlation Between Solidification Behavior and Melt Crystallization Kinetics of Isotactic Polypropylene (iPP) during Injection Molding显示文摘Bin Yang Ji-Zhi Lin Ru Xia Li-Feng Su Ji-Bin Miao Jia-Sheng Qian Peng Chen Jing-Wang Liu Shuang-Quan Deng 2014Journal of Macromolecular Science, Part B2014,,3:1
13A new approach for determining GND and SSD densities based on indentation size effect:An application to additive-manufactured Hastelloy X显示文摘Dislocation plays a crucial role in controlling the strength and plasticity of bulk materials.However,determining the densities of geometrically necessary dislocations(GNDs)and statistically stored dislocations(SSDs)is one of the classical problems in material research for several decades.Here,we proposed a new approach based on indentation size effect(ISE)and strengthening theories.This approach was performed on a laser powder bed fused(L-PBF)Hastelloy X(HX),and the results were verified by the Hough-based EBSD and modified Williamson-Hall(m-WH)methods.Furthermore,to better understand the new approach and essential mechanisms,an in-depth investigation of the microstructure was conducted.The distribution of dislocations shows a clear grain orientation-dependent:low density in large<101>preferentially orientated grains while high density in fine<001>orientated grains.The increment of strengthening in L-PBF HX is attributed to a huge amount of edge-GNDs.Planar slip is the main operative deformation mechanism during indentation tests,and the slip step patterns depend mostly on grain orientations and stacking fault energy.This study provides quantitative results of GND and SSD density for L-PBF HX,which constructs a firm basis for future quantitative work on other metals with different crystal structures.Luqing Cui Cheng-Han Yu Shuang Jiang Xiaoyu Sun Ru Lin Peng Jan-Erik Lundgren Johan Moverare 2022Journal of Materials Science & Technology2022,,1:1
14基于个体化机器学习的原发性免疫性血小板减少症危重出血预测模型:一项全国前瞻性队列研究显示文摘原发性免疫性血小板减少症(ITP)中少见但至关重要的危重出血事件,给患者的预后、生活质量和治疗决策带来严重影响。尽管有一些研究探讨了ITP中与危重出血相关的风险因素,但目前尚缺乏大样本数据、大规模多中心研究结果以及针对ITP患者致命出血事件的预测模型。本研究首次采用国际血栓与止血学会新提出的ITP致命出血标准,利用大样本数据开发了首个基于机器学习的在线应用,用于预测ITP患者的致命出血.研究中,我们使用中国各地大型多中心数据进行开发,并对全国39家医疗中心进行为期一年的外部测试,得到了较好的训练、验证和测试数据集预测能力该基于新算法的便捷网络工具能够快速识别ITP患者的出血风险,辅助临床决策,有望未来降低不良事件的发生。Zhuo-Yu An Ye-Jun Wu Yu Hou Heng Mei Wei-Xia Nong Wen-Qian Li Hu Zhou Ru Feng Jian-Ping Shen Jun Peng Hai Zhou Yi Liu Yong-Ping Song Lin-Hua Yang Mei-Yun Fang Jian-Yong Li Yun-Feng Cheng Peng Liu Ya-Jing Xu Zhao Wang Yi Luo Zhen Cai Hui Liu Jing-Wen Wang Juan Li Xi Zhang Zi-Min Sun Xiao-Yu Zhu Xin Wang Rong Fu Liang Huang Shao-Yuan Wang Tong-Hua Yang Li-Ping Su Liang-Ming Ma Xie-Qun Chen Dai-Hong Liu Hong-Xia Yao Jia Feng Hong-Yu Zhang Ming Jiang Ze-Ping Zhou Wen-Sheng Wang Xu-Liang Shen Yangjin Baima Yue-Ying Li Qian-Fei Wang Qiu-Sha Huang Hai-Xia Fu Xiao-Lu Zhu Yun He Qian Jiang Hao Jiang Jin Lu Xiang-Yu Zhao Ying-Jun Chang Tao Wu Yao-Zhu Pan Lin Qiu Da Gao A-Rong Jin Wei Li Su-Jun Gao Lei Zhang Ming Hou Xiao-Jun Huang Xiao-Hui Zhang on behalf of the National Cooperative ITP Working Group 2023Science Bulletin2023,68,18:0
15Culturable Bacterial Density and Composition in Haze Events in Xi’an, China显示文摘Industrialization and urbanization have increased air pollution in developing countries.Haze pollution is now a severe environmental concern in China;it is mainly characterized by PM2.5, a particulate matter having an aerodynamic diameter of 2.5 μm or less.Northern China experiences persistent haze pollution that affects many cities and millions of people, every winter and spring.WANG Xiao Hui WEI Yun Peng LIU Cheng Cheng WANG Yu Han LI Huan JI Lin OTIENO Woodvine XU Ji Ru 2019Biomedical and Environmental Sciences2019,32,8:0
16Shear banding-inducedslip enables unprecedented strength-ductility combination of laminated metallic composites显示文摘Shear bands in metallic materials have been reported to be catastrophic because they normally lead to non-uniform plastic deformation. Ductility of laminated metallic composites deteriorates with increasing processing strain, particularly for those having hexagonal-close-packed(hcp) constituents due to inadequate slip systems and consequently prominent shear banding. Here, we propose a design strategy that counterintuitively tolerates the bands with localized strains, i.e. the shear banded laminar(SBL) structure, which promotes dislocation activation in hcp metals and renders unprecedented strengthductility combination in hcp-metal-based composites fabricated by accumulative roll bonding(ARB). The SBL structure is characterized with one soft hcp metal constrained by adjacent hard metal in which dislocations have been accumulated near the bimetal interfaces. High-energy X-ray diffraction astonishingly reveals that more than 90% of dislocations are non-basal in Ti layers of the SBL Ti/Nb composite processed by eight ARB cycles. Moreover, dislocations occupy a high fraction of ~30%, promoting further cross slip. The unique stress field tailored by both shear banding and heterophase interface-mediated deformation accommodation triggers important slip. This SBL design is of significance for developing hcp-based laminates and other heterostructured materials with high performances.Shuang Jiang Ru Lin Peng Kristián Máthis Hai-Le Yan Gergely Farkas Zoltán Hegedues Ulrich Lienert Johan Moverare Xiang Zhao Liang Zuo Nan Jia Yan-Dong Wang 2022Journal of Materials Science & Technology2022,,15:0
17Oral Contraceptives and Health Outcomes:an Umbrella Review of Systematic Reviews and Meta-analyses in Women and Offspring显示文摘Aim We herein provide an umbrella review of systematic reviews(SR)and meta-analyses(MAs)of studies of the association of oral contraceptives(OCs)with the risks of multiple health outcomes in women and their descendants.Methods Two investigators retrieved publications from four electronic databases,including PubMed,Embase,Web of Science,and the Cochrane Database of Systematic Reviews up to March 15,2021.For each association,random/fixed-effects summary effect size and 95%CIs were estimated.Heterogeneity and publication bias were also assessed.The method quality and evidence level for each publication were respectively assessed utilizing the AMSTAR and GRADE checklists.Results A total of 68 articles with 82 unique outcomes were included based on the eligibility criteria.Numerous lines of evidence indicated that OCs had effects on nearly all cardiovascular disease-related outcomes,especially for cerebral venous sinus thrombosis(OR=7.59,95%CI:3.82-15.09).Harmful associations were also found for vulvar vestibulitis(OR=2.31,95%CI:1.03-5.16),preterm birth(OR=1.17,95%CI:1.07-1.27),miscarriage(OR=1.13,95%CI:1.02-1.72),ulcerative colitis(OR=1.22,95%CI:1.06-1.41),Crohn's disease(OR=1.24,95%CI:1.09-1.40),alveolar osteitis(RR=1.86,95%CI:1.66-2.08),dry socket(RR=1.8,95%CI:1.33-2.43),and interstitial cystitis(OR=2.1,95%CI:1.26-3.49).However,oral contraceptives did not increase the risk of cancer except breast and cervical cancer.Maternal exposure to OCs was linked to an increased risk for the development of respiratory atopic disorders such as asthma(OR=1.1,95%CI:1.02-1.19)and rhinitis(OR=1.34,95%CI:1.07-1.68).Conclusion In summary,although their use obviously reduces the risk of pregnancy-and parturition-related morbidity and mortality for women,OCs were frequently related to more harm than benefit in terms of other health outcomes.This was true for both women and their descendants in this umbrella review.More large-scale prospective studies analysing different doses,structures,and durations of treatment with estrogen and progestin are needed to confirm these effects.Yuan Lin Zou Rui Peng Ke Di Xu Xiao Ru Jiang Qiu Yu Sun Chun Hua Song 2022Journal of Nutritional Oncology2022,7,1:0
18Enhanced piezoelectric properties and temperature stability in KNN-based textured ceramics显示文摘Considering the advantages of high Curie temperature and environment-friendly nature of KNN piezoelectric ceramics,the limitation of weak piezoelectric response and their temperature sensitivity to applications is worth exploring.Herein,the<001>textured(1-x)(K_(0.5)Na_(0.5))(Nb0.96Sb0.04)O3-x(Bi_(0.5)Na_(0.5))HfO_(3)(x=0.01-0.045)lead-free ceramics were synthesized by templated grain-growth method.The high piezoelectric performance(d33 of 474 pC/N and strain of 0.21%)and excellent temperature stability(unipolar strain maintained within 4.3%change between 30℃and 165℃)were simultaneously achieved in the textured KNNS-0.03BNH ceramics.The high piezoelectric performance can be attributed to the summation of the crystallographic anisotropy and phase structure contributions in<001>textured ceramics.The superior temperature stability of piezoelectric properties can be interpreted by the contribution of crystal anisotropy to piezoelectric properties reduces the effect of phase transition on piezoelectric properties deterioration.This study provides an effective strategy for simultaneously achieving high piezoelectric properties and superior temperature stability in KNN-based textured ceramics.Yan Lin Ru Wang Jiawei Qu Shuo Gao Yi Zhang Junli Yan Jigong Hao Peng Li Wei Li 2022Journal of Advanced Dielectrics2022,12,5:0
19金属层状复合材料的力学行为及微观变形机理显示文摘金属层状复合材料作为一种典型的非均质材料,通过调控其内部的多尺度微结构特性,可以实现金属结构材料强度-韧性的协同提升,在高端先进制造领域具有潜在的应用前景。金属层状复合材料的宏观力学性能显著依赖于各组元层的性能、厚度和异质界面的结构特性。变形过程中材料内部的微观应力/应变在异质界面处的协调特性对组元金属的形变微观机制产生重要影响,进而影响复合材料整体的性能。因此,探索金属层状复合材料的“微观结构-力学行为-变形机制-宏观力学性能”的内在关联并揭示其对应的微观形变机理,对设计具有优异综合力学性能的金属层状复合材料有重要的理论指导意义和实际应用价值。聚焦于晶态金属层状复合材料的微观力学行为及变形机理,介绍了其力学行为的尺寸与界面效应,着重讨论了室温下材料的微观形变物理过程,阐明了非均匀金属层状复合体强韧化的机理。最后,对金属层状复合材料力学行为的研究进行了简要展望。姜爽 贾楠 Peng Lin Ru 2024中国材料进展2024,43,1:0
20Dynamic Optimal Design for the Reliability of a Mechanical System显示文摘This paper uses dynamic programming principle and network graph method to deal with optimal design for the reliability of a mechanical system considering production cost.LIN Guo xiang, PENG Ru shu School of Mechanical Engineering, Nanhua University, Hengyang, Hunan 421001, P.R.China 2002International Journal of Plant Engineering and Management2002,7,1:0
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