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| 1 | 天山北部石炭纪埃达克岩-高镁安山岩-富Nb岛弧玄武质岩:对中亚造山带显生宙地壳增生与铜金成矿的意义显示文摘新疆天山北部地区存在有石炭纪的埃达克岩-高镁安山岩-富Nb玄武质岩组合,并且其中许多岩石与铜(金)矿床伴生(如达巴特、阿希、土屋-延东、赤湖,等等)。埃达克岩富钠、高Sr但亏损Y与Yb,无明显Eu-正Eu异常以及正Sr异常与Nb、Ti亏损。高铁安山(闪长)岩是本次研究首次报道的,这些岩石无明显Eu-正Eu异常以及Nb、Ti亏损,普遍具有高的MgO和Cr、Ni含量,其中阿希金矿区一些样品类似于日本西南新生代Setouchi弧火山岩带中的赞岐岩类。富Nb玄武质岩富钠贫钾,具有微弱负-正Ba、Nb和Ti异常以及高的Nb/La比值,不同于大多数正常岛弧玄武岩。天山北部地区石炭纪埃达克岩具有高的ε_(Nd)(t)(+3.4~+9.0)和低的(^(87)Sr/^(86)Sr)_i(0.7032~0.7043)。富Nb玄武质岩具有变化的ε_(Nd)(t)(+3.6~+11.6)和(^(87)Sr/^(86)Sr)_i(0.7007~0.7067)。我们的研究表明,天山北部地区石炭纪埃达克岩-高镁安山岩-富Nb玄武质岩组合可能是“埃达克岩交代的岛弧岩浆岩系列”。埃达克岩最有可能由石炭纪北天山洋的年轻洋壳在俯冲过程中熔融形成。另外,俯冲板片产生的熔体以及所释放的少量流体在上升过程中可能交代地幔楔橄榄岩或与其发生反应:一方面,触发地幔楔橄榄岩发生熔融形成富Nb岛弧玄武质岩;另一方面,地幔组分迅速进入到板片熔体中,导致其地幔组分增加,乃至形成高镁安山岩。因此,天山北部地区石炭纪埃达克岩-高镁安山岩-富Nb玄武质岩组合表明:(1)天山北部地区石炭纪可能为岛孤环境而非裂谷环境;(2)天山地区石炭纪的地壳生长可能以侧向增生为主;(3)除了亏损地幔之外,俯冲洋壳的熔融可能也在地壳的生长中发挥了重要的作用;(4)俯冲板片产生的埃达克质岩浆具有高的氧逸度,而其与地幔楔橄榄岩的强烈相互作用将导致地幔中的金属硫化物分解,成矿金属元素进入到岩浆中。这可能是新疆北部铜金矿化与一些埃达克岩、高镁安山(闪长)岩或富Nb岛弧玄武质岩密切共生的基本原因。 | 王强 赵振华 许继峰 Derek A.WYMAN 熊小林 资峰 白正华 | 2006 | 岩石学报2006，22，1： | 136 |
| 2 | 西准噶尔包古图成矿斑岩年代学与地球化学:岩石成因与构造、铜金成矿意义显示文摘西准噶尔包古图地区的一些小型斑岩体或脉岩与铜金矿化的关系非常密切,引起了人们的广泛关注.报道了一些斑岩的LA-ICP-MS锆石U-Pb定年结果和岩石地球化学成分资料.Ⅱ、Ⅴ岩体的石英闪长斑岩中岩浆结晶锆石的定年结果分别为314.9±1.7Ma和309.9±1.9Ma,Ⅲ岩体的闪长玢岩中岩浆结晶锆石的定年结果为313.9±2.6Ma,表明包古图地区的岩体形成于晚石炭世.包古图地区小岩体的岩石富Na、高Sr,贫Y和Yb,无明显的Eu异常,具有埃达克岩特征,同时有些岩石富集MgO(3.93%~4.78%),具有高的Mg#(68~74),类似高镁安山岩.结合区域地质和岩浆岩的资料,认为:(1)包古图地区的小岩体形成于晚石炭世的岛弧环境,并可能与石炭纪的洋脊俯冲有关,其中埃达克质岩为俯冲洋脊两侧的板片熔融而形成,而高镁闪长岩类为俯冲板片熔体与地幔橄榄岩相互作用的产物;(2)包古图地区的铜金矿床也很可能与洋脊俯冲有关,高氧逸度的板片熔体上升并与地幔橄榄岩相互作用,这使得地幔中的金属硫化物不稳定,释放出金属成矿物质,从而使得Cu、Au等在熔体中不断富集而形成矿床. | 唐功建 王强 赵振华 Derek A.Wyman 陈海红 贾小辉 姜子琦 | 2009 | 地球科学(中国地质大学学报)2009，34，1： | 104 |
| 3 | 中国西部绿色发展概念框架显示文摘综合绿色发展的国际经验,以自然资本、经济资本、社会资本与人力资本四大资本为核心,提出了中国西部地区绿色发展概念框架。中国西部地区绿色发展概念框架是以'发展中促转变,转变中谋发展'的良性循环发展原则为指导原则,分析西部地区社会经济发展及生态环境和自然资源保护两个方面在发展过程中相互促进和制约的关系,并根据西部地区当前经济资本、环境资本、社会资本以及人力资本数量,通过政府适当干预,如区域规划、区内调整,最终实现社会经济与生态环境和自然资源相协调的绿色发展。该框架综合考虑了中国西部在绿色发展道路上特有挑战与机遇,阐明了社会经济发展与资源环境承载力之间的相互作用机制,明确了中国西部地区'生态友好、社会包容和内生增长'的绿色发展目标。最后,本文针对该绿色发展框架提出了中国西部地区绿色发展的政策建议:提出'西部地区绿色发展战略'是当前西部地区绿色发展进程中最为迫切的需求,中央政府应当尽快制定和实施'西部地区绿色发展战略',同时西部地区政府在省级和地方层面将保护中国西部生态环境与区域扶贫开发相结合,加大对以提升西部地区人力资本为目的的各类工程的投入,强化区域绿色基础建设和生态服务供给,缓解西部地区贫困,提升区域绿色发展进程的速度和质量;开展财政体制机制改革,以提高各级财政资金的使用效率;结合各省发展需求与条件实施以生态城市为发展目标的可持续城镇化发展模式,制定差异化的城镇化发展战略;在西部地区重点和限制开发区尤其是贫困集中和区域发展潜力较大地区,鼓励具有区域特色的新型绿色产业的发展。在发展过程中不断加强制度创新以引导长期绿色发展。 | 刘纪远 邓祥征 刘卫东 李海英 Robyn KRUK Derek THOMPSON Peishen WANG Xuemei BAI | 2013 | 中国人口·资源与环境2013，23，10： | 75 |
| 4 | 土壤中总石油烃污染(TPH)的微生物降解与修复研究进展显示文摘微生物降解和修复是处理土壤中总石油烃(TPH)污染最简单、有效的方法之一.论文阐述了土壤TPH污染的产生、危害以及物理、化学、生物等修复方法的各自特点,其中重点介绍了微生物修复方法,论述了土壤中TPH在微生物表面的吸附、转运,在微生物体内的降解以及相关降解酶及基因;详细介绍了电子受体、温度、pH、营养元素等外界因素对微生物修复TPH污染的影响,在此基础上对土壤TPH污染的微生物修复现状和发展趋势进行了讨论. | 马强 林爱军 马薇 CHOI Derek SHIM Hojae 朱永官 | 2008 | 生态毒理学报2008，3，1： | 38 |
| 5 | 西天山达巴特A型花岗岩的形成时代与构造背景显示文摘达巴特花岗斑岩侵入体位于西天山北部的赛里木湖北部,构造上属于准葛尔板块与伊犁-中天山板块之间的造山带。达巴特花岗岩斑岩具有A型花岗岩的特征,如高硅(SiO2=75.38%~77.61%)、碱(Na2O+K2O=8.26%~10.10%)和Fe/(Fe+Mg)(0.91~0.98),但低Al2O3(12.04~12.91%)和CaO(0.03%~0.42%),富集Rb、Th、U等大离子亲石元素和Nb、Ta、Zr、Hf等高场强元素,(Ga/Al)×10^4值变化于3.19~3.40之间,具有明显的负Eu、Ba和Sr异常,稀土配分显示“海鸥型”特征。这巴特花岗岩斑岩具有较高的Rb/Nh和Y/Nb比值,显示了A2型花岗岩的特征。LA—ICP—Ms锆石U—Pb测年结果显示达巴特岩体的侵位年龄为288.9±2.3Ma,并且一些锆石具有老的核(319.0±4.7),暗示花岗岩斑的源岩中可能包含有石炭纪的岩浆岩。结合区域地质和岩浆岩资料,我们认为西天山早二叠世处于伸展的背景中,可能与造山带后碰撞阶段的演化有关。 | 唐功建 陈海红 王强 赵振华 Derek A.Wyman 姜子琦 贾小辉 | 2008 | 岩石学报2008，24，5： | 32 |
| 6 | 西天山东塔尔别克金矿区安山岩LA-ICP-MS锆石U-Pb年代学、元素地球化学与岩石成因显示文摘东塔尔别克金矿区位于西天山吐拉苏盆地内阿希金矿区南侧,构造上属于伊犁-中天山微板块与准噶尔板块之间的博罗科努早古生代岛弧带西段。东塔尔别克矿区出露有一些安山岩,这些岩石具有典型高镁安山岩特征,如高硅(SiO_2=58.94%~63.85%),具有较高的MgO含量(3.75%~6.59%)和Mg~#(58~69)、高的Cr(94.2×10^(-6)~241×10^(-6))、和Ni (54.5×10^(-6)~126×10^(-6))含量,以及低的FeO^T/MgO比值。除了Sr含量略微偏低(235×10^(-6)~696×10^(-6))之外,这些岩石基本显示了埃达克岩的地球化学特征:高的Al_2O_3(15.39%~16.65%),低Y(9.86×10^(-6)~14.9×10^(-6))含量,以及高的Sr/Y比值(23.8~48.1),无Eu异常,Nb、Ta、Ti亏损等。LA-ICP-MS锆石U-Pb测年结果显示安山岩的年龄为347.2±1.6Ma,为早石炭世。安山岩富集Rb、Th、U等大离子亲石元素,相对亏损Nb、Ta、Ti等高场强元素,轻重稀土元素分馏明显,具有俯冲带岛弧岩浆的特征。东塔尔别克安山岩可能形成于岛弧环境中,并可能由俯冲的晚古生代北天山洋洋壳以及少量上覆沉积物熔融形成,产生的熔体在上升过程中与地幔橄榄岩发生了相互作用.熔体-地幔相互作用对区内金矿的形成具有重要意义。 | 唐功建 王强 赵振华 Derek A WYMAN 陈海红 贾小辉 姜子琦 | 2009 | 岩石学报2009，25，6： | 27 |
| 7 | Phage therapy: An alternative to antibiotics in the age of multi-drug resistance显示文摘The practice of phage therapy, which uses bacterial viruses(phages) to treat bacterial infections, has been around for almost a century. The universal decline in the effectiveness of antibiotics has generated renewed interest in revisiting this practice. Conventionally, phage therapy relies on the use of naturally-occurring phages to infect and lyse bacteria at the site of infection. Biotechnological advances have further expanded the repertoire of potential phage therapeutics to include novel strategies using bioengineered phages and purified phage lytic proteins. Current research on the use of phages and their lytic proteins against multidrug-resistant bacterial infections, suggests phage therapy has the potential to be used as either an alternative or a supplement to antibiotic treatments. Antibacterial therapies, whether phage-or antibiotic-based, each have relative advantages and disadvantages; accordingly, many considerations must be taken into account when designing novel therapeutic approaches for preventing and treating bacterial infection. Although much about phages and human health is still being discovered, the time to take phage therapy serious again seems to be rapidly approaching. | Derek M Lin Britt Koskella Henry C Lin | 2017 | World Journal of Gastrointestinal Pharmacology and Therapeutics2017，8，3： | 20 |
| 8 | Machine learning methods for rockburst prediction-state-of-the-art review显示文摘One of the most serious mining disasters in underground mines is rockburst phenomena.They can lead to injuries and even fatalities as well as damage to underground openings and mining equipment.This has forced many researchers to investigate alternative methods to predict the potential for rockburst occurrence.However,due to the highly complex relation between geological,mechanical and geometric parameters of the mining environment,the traditional mechanics-based prediction methods do not always yield precise results.With the emergence of machine learning methods,a breakthrough in the prediction of rockburst occurrence has become possible in recent years.This paper presents a state-ofthe-art review of various applications of machine learning methods for the prediction of rockburst potential.First,existing rockburst prediction methods are introduced,and the limitations of such methods are highlighted.A brief overview of typical machine learning methods and their main features as predictive tools is then presented.The current applications of machine learning models in rockburst prediction are surveyed,with related mechanisms,technical details and performance analysis. | Yuanyuan Pu Derek B.Apel Victor Liu Hani Mitri | 2019 | International Journal of Mining Science and Technology2019，29，4： | 19 |
| 9 | Immune cells in term and preterm labor显示文摘 | Nardhy Gomez-Lopez Derek StLouis Marcus A Lehr Elly N Sanchez-Rodriguez Marcia Arenas-Hernandez | 2014 | Cellular & Molecular Immunology2014，11，6： | 17 |
| 10 | IDO1 in cancer: a Gemini of immune checkpoints显示文摘Indoleamine 2,3-dioxygenase 1(IDO1)is a rate-limiting metabolic enzyme that converts the essential amino acid tryptophan(Trp)into downstream catabolites known as kynurenines.Coincidently,numerous studies have demonstrated that IDO1 is highly expressed in multiple types of human cancer.Preclinical studies have further introduced an interesting paradox:while single-agent treatment with IDO1 enzyme inhibitor has a negligible effect on decreasing the established cancer burden,approaches combining select therapies with IDO1 blockade tend to yield a synergistic benefit against tumor growth and/or animal subject survival.Given the high expression of IDO1 among multiple cancer types along with the lack of monotherapeutic efficacy,these data suggest that there is a more complex mechanism of action than previously appreciated.Similar to the dual faces of the astrological Gemini,we highlight the multiple roles of IDO1 and review its canonical association with IDO1-dependent tryptophan metabolism,as well as documented evidence confirming the dispensability of enzyme activity for its immunosuppressive effects.The gene transcript levels for IDO1 highlight its strong association with T-cell infiltration,but the lack of a universal prognostic significance among all cancer subtypes.Finally,ongoing clinical trials are discussed with consideration of IDO1-targeting strategies that enhance the efficacy of immunotherapy for cancer patients。 | Lijie Zhai Erik Ladomersky Alicia Lenzen Brenda Nguyen Ricky Patel Kristen L Lauing Meijing Wu Derek A Wainwright | 2018 | Cellular & Molecular Immunology2018，15，5： | 17 |
| 11 | 吉木萨尔凹陷页岩油密切割压裂多簇裂缝竞争扩展模拟显示文摘针对吉木萨尔凹陷芦草沟组页岩油储层地质特征,建立了重点改造井的密切割体积压裂裂缝扩展三维离散元数值模型,模型依据成像测井资料设置了随机分布的天然层理和高角度裂缝,依据纵向分层数据设置了小层及层间界面。模型模拟了不同分簇数和簇间距下的复杂裂缝扩展过程,分析了密切割体积压裂改造过程中多簇裂缝竞争扩展规律和改造后裂缝系统的立体产状。通过数值模拟分析可知:(1)页岩油储层密切割压裂过程中,多条水力裂缝竞争扩展程度随分簇数的增加及簇间距的减小而增强;(2)裂缝的竞争扩展是一个地应力、裂缝形态、裂缝宽度动态平衡的过程;(3)在相同泵排量和压裂时长条件下多簇裂缝系统的波及范围与储层改造面积(SRA)负相关;(4)高角度天然裂缝更易阻滞和捕获横切缝(垂直于水平井眼的人工主裂缝);(5)多簇裂缝系统的包络面呈'礼帽'形状,采用交错布置邻井压裂段位置有利于缩减井间未动用储层中油气的渗流距离。 | 侯冰 常智 武安安 Elsworth Derek | 2022 | 石油学报2022，43，1： | 16 |
| 12 | 气候变化对嘉陵江流域水资源量的影响分析显示文摘嘉陵江是长江的最大支流,流域面积约16万km2。针对2050,2100年不同的气候变化情景,选取较为不利的参数组合,根据降水、气温、湿度、风速、日照等气候要素的变化,建立潜在蒸发量模型计算流域的潜在蒸发量(ET0),再根据流域内植被的蒸散发系数(Kc),计算流域的面平均蒸散发量(ETc)。并利用流域面平均降水量减去径流深得到流域的实际蒸散发量,对计算的流域面平均蒸散发量进行验证。对不同的水平年利用降水的预测成果(气候变化情景不同具有不同的降水量预测成果)及计算流域的面平均蒸散发量,根据水量平衡模型分析计算气候变化对嘉陵江流域水量的影响。结果表明:不利条件下2050年年径流将减少23.0%~27.9%;2100年将减少28.2%~35.2%;2050,2100年平均年径流分别相当于目前7年一遇和12.5年一遇的干旱年。由此说明,气候变化对流域内的水资源量影响十分显著。 | 陈桂亚 Derek Clarke | 2007 | 长江科学院院报2007，24，4： | 15 |
| 13 | 世界腹腔间隙学会腹内高压和腹腔间隙综合征2013版专家共识与诊疗指南显示文摘随着人们对腹内压(intra-abdominal pressure,IAP)的重视,大量研究开始关注腹内高压(intraabdominal hypertension,IAH)和腹腔间隙综合征(abdominal compartment syndrome,ACS).世界腹腔间隙学会(The abdominal compartment society,WSACS)先后在2006年提出了IAH和ACS的专家共识,2007年发表了诊疗指南,2009年明确了疾病相关研究的推荐方向.2013年WSACS发布了新的IAH和ACS专家共识与诊疗指南.该指南由多学科专家共同参与制定,大部分是外科专家和重症监护专家.专家们首先明确24个临床医师关心的IAH和ACS问题,随后进行了系统有序的文献整理. | Andrew W.Kirkpatrick Derek J.Roberts Jan De Waele Roman Jaeschke Manu L.N.G.Malbrain Bart De Keulenaer Juan Duchesne Martin Bjorc Ari Leppaniemi | 2015 | 中华外科杂志2015，53，3： | 15 |
| 14 | Review of the diagnosis,classification and management of autoimmune pancreatitis显示文摘Autoimmune pancreatitis(AIP)is a rare form of chronic pancreatitis,with as yet undetermined incidence and prevalence in the general population.Our understanding of it continues to evolve.In the last few years,2separate subtypes have been identified:type 1 AIP has been recognised as the pancreatic manifestation of a multiorgan disease,named immunoglobulin G4(IgG4)-related disease while type 2 AIP is a pancreas specific disorder not associated with IgG4.International criteria for the diagnosis of AIP have been defined:the HISORt criteria from the Mayo clinic,the Japan consensus criteria and,most recently,the international association of pancreatology'International Consensus Diagnostic Criteria'.Despite this,in clinical practice it can still be very difficult to confirm the diagnosis and differenti-ate AIP from a pancreatic cancer.There are no large studies into the long-term prognosis and management of relapses of AIP,and there is even less information at present regarding the Type 2 AIP subtype.Further studies are necessary to clarify the pathogenesis,treatment and long-term outcomes of this disease.Critically for clinicians,making the correct diagnosis and differentiating the disease from pancreatic cancer is of the utmost importance and the greatest challenge. | Derek A O'Reilly Deep J Malde Trish Duncan Madhu Rao Rafik Filobbos | 2014 | World Journal of Gastrointestinal Pathophysiology2014，5，2： | 14 |
| 15 | 泥页岩自然流体压力缝类型、特征及其作用——以中国东部古近系为例显示文摘以中国东部渤海湾盆地济阳坳陷东营凹陷、沾化凹陷和苏北盆地古近系富有机质泥页岩为例,对自然流体压力缝类型、特征及其对烃类初次运移的作用开展研究。结果表明,流体超压是自然流体压力缝产生的主要原因。自然流体压力缝有3种类型:早期泄水缝、顺层脉状裂缝和生排烃裂缝。早期泄水缝以其蛇曲形态为典型特征;顺层脉状裂缝中充填纤维状方解石脉,并与有机质共存;干酪根生烃增压形成的生排烃裂缝是富有机质泥页岩幕式排烃的关键。自然流体压力缝、层理缝和构造缝等多种成因的裂缝逐级汇聚形成相互连通的裂缝网络,是烃类重要的初次运移通道和储集空间,在多尺度渗流过程中充当渗流通道,且是实现泥页岩储集层体积压裂的前提。 | 马存飞 董春梅 栾国强 林承焰 刘小岑 ELSWORTH Derek | 2016 | 石油勘探与开发2016，43，4： | 14 |
| 16 | 透视科学中的探究及工程与技术中的问题解决——以实践、跨学科概念、核心概念的视角显示文摘科学,工程、技术不仅渗透在现代生活的每个方面,而且它们对现在及未来社会中最紧迫的挑战起着关键性作用。 | Hubert Dyasi Derek Bell 刘润林 | 2017 | 中国科技教育2017，0，1： | 14 |
| 17 | 贵州荔波黑洞碎屑沉积物宇宙成因核素^(26)Al/^(10)Be埋藏年龄显示文摘河流下切在岩溶区形成的多级层状洞穴,记录了地体隆升和地貌演化历史,但由于测年手段的限制,国内在这方面的研究一直进展不大。近年来,运用宇宙成因核素得到洞穴碎屑沉积物埋藏年龄的方法,已成为反演山地区域构造-地貌演化的新途径。本文尝试运用宇宙成因核素^(26)Al/^(10)Be埋藏测年技术,对属于贵州荔波地区4层洞穴系统的黑洞(第二层)碎屑沉积物进行年龄测定,假设样品进洞前无埋藏史,测年结果显示黑洞年龄至少有1.06±0.23Ma,并且该地区三岔河流域的侵蚀速率为55.1±2.3m/Ma。这是对该地区洞穴测年的一次新探索,体现出洞穴沉积物宇宙成因核素埋藏测年技术在我国晚新生代地质地貌演化研究方面具有良好的应用前景。 | 刘彧 王世杰 刘秀明 徐胜 Derek Fabel 罗维均 | 2013 | 第四纪研究2013，33，3： | 12 |
| 18 | 气候变化对嘉陵江流域水资源量的影响分析显示文摘受人类活动影响,温室气体排放量增加而使全球气候发生变化,对水资源也会产生影响。嘉陵江是长江的最大支流,流域面积约16万km^2。依据预测的2050、2100年不同的气候变化情景,选取较为不利的方案,根据降水、气温、温度、风速、日照等气候要素的变化,建立参照蒸散发量模型计算流域的参照蒸散发能力(ETo),再据流域内植被的蒸散发系数(Kc),计算流域的面平均蒸散发量(乩.)。并利用流域面平均降水量减去径流深得到流域的实际蒸散发量,对计算的流域面平均蒸散发量进行验证。对不同的水平年利用降水的预测成果(气候变化情景不同有不同的降水量预测成果)及计算流域的面平均蒸散发量,根据水量平衡模型分析计算气候变化对嘉陵江流域水量的影响。不利条件下2050年年径流将减少23.0%~27.9%;2100年将减少28.2%~35.2%。加50、2100平均年径流分别相当于目前7a一遇和12.5a一遇的干旱年。结果表明气候变化对流域内的水资源量影响十分显著。 | 陈桂亚 Derek Clarke | 2006 | 水资源研究2006，27，1： | 11 |
| 19 | Compliance Analysis of a 3-DOF Spindle Head by Considering Gravitational Effects显示文摘The compliance modeling is one of the most significant issues in the stage of preliminary design for parallel kinematic machine(PKM). The gravity ignored in traditional compliance analysis has a significant effect on pose accuracy of tool center point(TCP) when a PKM is horizontally placed. By taking gravity into account, this paper presents a semi-analytical approach for compliance analysis of a 3-DOF spindle head named the A3 head. The architecture behind the A3 head is a 3-RPS parallel mechanism having one translational and two rotational movement capabilities, which can be employed to form the main body of a 5-DOF hybrid kinematic machine especially designed for high-speed machining of large aircraft components. The force analysis is carried out by considering both the externally applied wrench imposed upon the platform as well as gravity of all moving components. Then, the deflection analysis is investigated to establish the relationship between the deflection twist and compliances of all joints and links using semi-analytical method. The merits of this approach lie in that platform deflection twist throughout the entire task workspace can be evaluated in a very efficient manner. The effectiveness of the proposed approach is verified by the FEA and experiment at different configurations and the results show that the discrepancy of the compliances is less than 0.04 μm/N-1 and that of the deformations is less than 10μm. The computational and experimental results show that the deflection twist induced by gravity forces of the moving components has significant bearings on pose accuracy of the platform, providing an informative guidance for the improvement of the current design. The proposed approach can be easily applied to the compliance analysis of PKM by considering gravitational effects and to evaluate the deformation caused by gravity throughout the entire workspace. | LI Qi WANG Manxin HUANG Tian CHETWYND G Derek | 2015 | Chinese Journal of Mechanical Engineering2015，28，1： | 11 |
| 20 | Rapid decompression and desorption induced energetic failure in coal显示文摘In this study, laboratory experiments are conducted to investigate the rapid decompression and desorption induced energetic failure in coal using a shock tube apparatus. Coal specimens are recovered from Colorado at a depth of 610 m. The coal specimens are saturated with the strong sorbing gas CO2 for a certain period and then the rupture disc is suddenly broken on top of the shock tube to generate a shock wave propagating upwards and a rarefaction wave propagating downwards through the specimen.This rapid decompression and desorption has the potential to cause energetic fragmentation in coal.Three types of behaviors in coal after rapid decompression are found, i.e. degassing without fragmentation, horizontal fragmentation, and vertical fragmentation. We speculate that the characteristics of fracture network(e.g. aperture, spacing, orientation and stiffness) and gas desorption play a role in this dynamic event as coal can be considered as a dual porosity, dual permeability, dual stiffness sorbing medium. This study has important implications in understanding energetic failure process in underground coal mines such as coal gas outbursts. | Shugang Wang Derek Elsworth Jishan Liu | 2015 | Journal of Rock Mechanics and Geotechnical Engineering2015，7，3： | 10 |
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