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| 1 | A Survey of Unbalanced Flow Diagnostics and Their Application显示文摘This paper presents an extensive survey of the most commonly used tools for diagnosing unbalanced flow in the atmosphere, namely the Lagrangian Rossby number, Psi vector, divergence equation, nonlinear balance equation, generalized omega-equation, and departure from fields obtained by potential vorticity (PV) inversion. The basic thoery, assumptions as well as implementation and limitations for each of the tools are all discussed. These tools are applied to high-resolution mesoscale model data to assess the role of unbalanced dynamics in the generation of a mesoscale gravity wave event over the East Coast of the United States. Comparison of these tools in this case study shows that these various methods agree to a large extent with each other though they differ in details. | Fuqing Zhang Steven E. Koch Christopher A. Davis and Michael L. Kaplan | 2000 | Advances in Atmospheric Sciences2000，17，2： | 22 |
| 2 | 2-Year GLOBE Trial Results: Telbivudine Is Superior to Lamivudine in Patients With Chronic Hepatitis B显示文摘 | Yun–Fan Liaw Edward Gane Nancy Leung Stefan Zeuzem Yuming Wang Ching Lung Lai E. Jenny Heathcote Michael Manns Natalie Bzowej Junqi Niu Steven–Huy Han Seong Gyu Hwang Yilmaz Cakaloglu Myron J. Tong George Papatheodoridis Yagang Chen Nathaniel A. Brown Efs | 2009 | Gastroenterology2009，，2： | 13 |
| 3 | 水浸胁迫下植被高光谱遥感识别模型对比分析显示文摘随着全球气候变暖,我国洪涝灾害发生的频率及影响范围都不断增加。通过野外模拟试验,研究植被(玉米、甜菜)在水浸胁迫下的光谱变化特征,以构建高光谱遥感模型对水涝灾害范围进行监测。试验于2008年5月—8月在英国诺丁汉大学Sutton Bonington校区(52.8°N,1.2°W)进行,每周采集一次样本并在室内测量其光谱数据。试验结果表明植被光谱在550,800~1 300nm区域反射率都稍有降低,而在680nm区域反射率则略微增大。选取NDVI,SIPI,PRI,SRPI,GNDVI及R800*R550/R680共六个植被指数识别水浸胁迫下的植被,研究表明,指数SIPI与R800*R550/R680对水浸胁迫玉米比较敏感,而指数SIPI,PRI及R800*R550/R680对水浸胁迫甜菜比较敏感。为寻找最优的识别模型,计算对照与水浸胁迫植被指数之间的归一化均值距离并进行对比分析,发现植被指数R800*R550/R680的归一化均值距离在胁迫早期即大于其他指数的距离,说明该指数识别水浸胁迫植被的能力优于其他指数,且具有较强的敏感性与稳健性。因此,可以利用该指数快速地提取水浸面积,为救灾减灾决策提供信息支持。 | 蒋金豹 Michael D Steven 何汝艳 蔡庆空 | 2013 | 光谱学与光谱分析2013，33，11： | 11 |
| 4 | Role of the endothelium in inflammatory bowel diseases显示文摘Inflammatory bowel diseases(IBD) are a complex group of diseases involving alterations in mucosal immunity and gastrointestinal physiology during both initiation and progressive phases of the disease.At the core of these alterations are endothelial cells,whose continual adjustments in structure and function coordinate vascular supply,immune cell emigration,and regulation of the tissue environment.Expansion of the endothelium in IBD(angiogenesis),mediated by inflammatory growth factors,cytokines and chemokines,is a hallmark of active gut disease and is closely related to disease severity.The endothelium in newly formed or inflamed vessels differs from that in normal vessels in the production of and response to inflammatory cytokines,growth factors,and adhesion molecules,altering coagulant capacity,barrier function and blood cell recruitment in injury.This review examines the roles of the endothelium in the initiation and propagation of IBD pathology and distinctive features of the intestinal endothelium contributing to these conditions. | Walter E Cromer J Michael Mathis Daniel N Granger Ganta V Chaitanya J Steven Alexander | 2011 | World Journal of Gastroenterology2011，17，5： | 10 |
| 5 | Fusobacterium 's link to colorectal neoplasia sequenced: A systematic review and future insights显示文摘AIM To critically evaluate previous scientific evidence on Fusobacterium's role in colorectal neoplasia development.METHODS Two independent investigators systematically reviewed all original scientific articles published between January,2000,and July,2017,using Pub Med,EMBASE,and MEDLINE. A total of 355 articles were screened at the abstract level. Of these,only original scientific human,animal,and in vitro studies investigating Fusobacterium and its relationship with colorectal cancer(CRC) were included in the analysis. Abstracts,review articles,studies investigating other colonic diseases,and studies written in other languages than English were excluded from our analysis. Ninety articles were included after removing duplicates,resolving disagreements between the two reviewers,and applying the above criteria.RESULTS Studies have consistently identified positive associations between Fusobacterium,especially Fusobacterium nucleatum(F. nucleatum),and CRC. Stronger associations were seen in CRCs proximal to the splenic flexure and Cp G island methylator phenotype(CIMP)-high CRCs. There was evidence of temporality and a biological gradient,with increased F. nucleatum DNA detection and quantity along the traditional adenoma-carcinoma sequence and in CIMP-high CRC precursors. Diet may have a differential impact on colonic F. nucleatum enrichment;evidence suggests that high fiber diet may reduce the risk of a subset of CRCs that are F. nucleatum DNA-positive. Data also suggest shorter CRC and disease-specific survival with increased amount of F. nucleatum DNA in CRC tissue. The pathophysiology of enrichment of F. nucleatum and other Fusobacterium species in colonic tissue is unclear;however,the virulence factors and changes to the local colonic environment with disruption of the protective mucus layer may contribute. The presence of a host lectin(Gal-Gal NAc) in the colonic epithelium may also mediate F. nucleatum attachment to CRC and precursors through interaction with an F. nucleatum protein,fibroblast activation protein 2(FAP2). The clinical significance of detection or enrichment of Fusobacterium in colorectal neoplasia is ambiguous,but data suggest a procarcinogenic effect of F. nucleatum,likely due to activation of oncogenic and inflammatory pathways and modulation of the tumor immune environment. This is hypothesized to be mediated by certain F. nucleatum strains carrying invasive properties and virulence factors such as Fad A and FAP.CONCLUSION Evidence suggests a potential active role of Fusobacterium,specifically F. nucleatum,in CRC. Future prospective and experimental human studies would fill an important gap in this literature. | Hisham Hussan Steven K Clinton Kristen Roberts Michael T Bailey | 2017 | World Journal of Gastroenterology2017，23，48： | 9 |
| 6 | One hundred and seventy-eight consecutive pancreatoduodenectomies without mortality:role of the multidisciplinary approach显示文摘BACKGROUND:Pancreatoduodenectomy offers the only chance of cure for patients with periampullary cancers.This,however,is a major undertaking in most patients and is associated with a significant morbidity and mortality.A multidisciplinary approach to the workup and follow-up of patients undergoing pancreatoduodenectomy was initiated at our institution to improve the diagnosis,resection rate,mortality and morbidity.We undertook the study to assess the effect of this approach on diagnosis,resection rates and short-term outcomes such as morbidity and mortality.METHODS:A prospective database of patients presenting with periampullary cancers to a single surgeon between April 2004 and April 2010 was reviewed.All cases were discussed at a multidisciplinary meeting comprising surgeons,gastroenterologists,radiologists,oncologists,radiation oncologists,pathologists and nursing staff.A standardized investigation and management algorithm was followed.Complications were graded according to the Clavien-Dindo classification.RESULTS:A total of 295 patients with a periampullary lesion were discussed and 178 underwent pancreatoduodenectomy (resection rate 60%).Sixty-one patients (34%) required either a vascular or an additional organ resection.Eighty-nine patients experienced complications,of which the commonest was blood transfusion (12%).Thirty-four patients (19%) had major complications,i.e.grade 3 or above.There was no in-hospital,30-day or 60-day mortality.CONCLUSIONS:Pancreatoduodenectomy can safely be performed in high-volume centers with very low mortality.The surgeon's role should be careful patient selection,intensive preoperative investigations,use of a team approach,and an unbiased discussion at a multidisciplinary meeting to optimize the outcome in these patients. | Jaswinder S Samra Raul Alvarado Bachmann Julian Choi Anthony Gill Michael Neale Vikram Puttaswamy Cameron Bell Ian Norton Sarah Cho Steven Blome Ritchie Maher Sivakumar Gananadha Thomas J Hugh | 2011 | Hepatobiliary & Pancreatic Diseases International2011，10，4： | 8 |
| 7 | Laparoscopic Colectomy for Cancer Is Not Inferior to Open Surgery Based on 5-Year Data From the COST Study Group Trial显示文摘 | James Fleshman Daniel J. Sargent Erin Green Mehran Anvari Steven J. Stryker Robert W. Beart Michael Hellinger Richard Flanagan Walter Peters Heidi Nelson | 2007 | Annals of Surgery2007，，4： | 7 |
| 8 | 利用大豆光谱特征判定地下封存CO_2泄漏显示文摘碳捕捉与储存(carbon capture and storage,CCS)技术可以减少CO2气体排放,从而减缓全球气候变暖。但把CO2液化后进行地质封存具有泄漏的风险,如何大面积、快速、高效地监测CO2泄漏点是一个技术难题。该文通过野外模拟试验,以大豆为试验对象,研究了地下储存的CO2轻微泄漏对地表植被及其遥感特征的影响。大豆在2008年6月4日播种,自7月4日开始CO2气体以1L/min的速度持续注入土壤中,每天测量土壤中CO2体积分数(土壤中CO2气体占土壤中总气体体积含量的百分比)、每周测量1次大豆叶片的SPAD值、光谱数据。试验结果表明,当土壤中CO2体积分数小于15%时,对照(CK)与CO2泄漏胁迫大豆SPAD值无显著性差异(P>0.1),当土壤中CO2体积分数大于等于15%时,CK与CO2泄漏胁迫大豆SPAD值具有极显著性差异(P<0.001),随着胁迫进行大豆会早熟、落叶,甚至枯死。利用连续统去除法对大豆的光谱数据进行处理,发现随着土壤中CO2体积分数的增大,在绿光区的光谱反射率逐渐增大,而其他波段则无明显变化规律。根据CO2泄漏胁迫下大豆的光谱变化特征,设计采用面积植被指数Area(510~590nm)(510~590nm光谱曲线所包围的面积)识别遭受CO2泄漏胁迫的大豆。结果表明,当土壤中CO2体积分数大于等于15%时,Area(510~590nm)指数可以较好地识别出遭受胁迫的大豆,且具有较高的可区分性及稳定性,但当土壤中CO2体积分数小于15%时,该指数在整个生育期内无法准确识别出遭受胁迫的大豆。该研究结果对未来地表生态评估、高光谱遥感监测CO2泄漏点具有重要意义与应用价值。 | 蒋金豹 Michael D Steven 何汝艳 蔡庆空 陈云浩 徐谨 | 2013 | 农业工程学报2013，29，12： | 7 |
| 9 | Postoperative delirium after major orthopedic surgery显示文摘BACKGROUND Postoperative delirium(POD)is one of the most common complications in older adult patients undergoing elective surgery.Few studies have compared,within the same institution,the type of surgery,risk factors and type of anesthesia and analgesia associated with the development of POD.AIM To investigate the following three questions:(1)What is the incidence of POD after non-ambulatory orthopedic surgery at a high-volume orthopedic specialty hospital?(2)Does surgical procedure influence incidence of POD after nonambulatory orthopedic surgery?And(3)For POD after non-ambulatory orthopedic surgery,what are modifiable risk factors?METHODS A retrospective cohort study was conducted of all non-ambulatory orthopedic surgeries at a single orthopedic specialty hospital between 2009 and 2014.Patients under 18 years were excluded from the cohort.Patient characteristics and medical history were obtained from electronic medical records.Patients with POD were identified using International Classification of Diseases,9^th Revision(ICD-9)codes that were not present on admission.For incidence analyses,the cohort was grouped into total hip arthroplasty(THA),bilateral THA,total knee arthroplasty(TKA),bilateral TKA,spine fusion,other spine procedures,femur/pelvic fracture,and other procedures using ICD-9 codes.For descriptive and regression analyses,the cohort was grouped,using ICD-9 codes,into THA,TKA,spinal fusions,and all procedures.RESULTS Of 78492 surgical inpatient surgeries,the incidence from 2009 to 2014 was 1.2%with 959 diagnosed with POD.The incidence of POD was higher in patients undergoing spinal fusions(3.3%)than for patients undergoing THA(0.8%);THA patients had the lowest incidence.Also,urgent and/or emergent procedures,defined by femoral and pelvic fractures,had the highest incidence of POD(7.2%)than all other procedures.General anesthesia was not seen as a significant risk factor for POD for any procedure type;however,IV patient-controlled analgesia was a significant risk factor for patients undergoing THA[Odds ratio(OR)=1.98,95%confidence interval(CI):1.19 to 3.28,P=0.008].Significant risk factors for POD included advanced age(for THA,OR=4.9,95%CI:3.0-7.9,P<0.001;for TKA,OR=2.16,95%CI:1.58-2.94,P<0.001),American Society of Anesthesiologists score of 3 or higher(for THA,OR=2.01,95%CI:1.33-3.05,P<0.001),multiple medical comorbidities,hyponatremia(for THA,OR=2.36,95%CI:1.54 to 3.64,P<0.001),parenteral diazepam(for THA,OR=5.05,95%CI:1.5-16.97,P=0.009;for TKA,OR=4.40,95%CI:1.52-12.75,P=0.007;for spine fusion,OR=2.17,95%CI:1.19-3.97,P=0.01),chronic opioid dependence(for THA,OR=7.11,95%CI:3.26-15.51,P<0.001;for TKA,OR=2.98,95%CI:1.38-6.41,P=0.005)and alcohol dependence(for THA,OR=5.05,95%CI:2.72-9.37,P<0.001;for TKA,OR=6.40,95%CI:4.00-10.26,P<0.001;for spine fusion,OR=6.64,95%CI:3.72-11.85,P<0.001).CONCLUSION POD is lower(1.2%)than previously reported;likely due to the use of multimodal regional anesthesia and early ambulation.Both fixed and modifiable factors are identified. | Michael K Urban Mayu Sasaki Abigail M Schmucker Steven K Magid | 2020 | World Journal of Orthopedics2020，11，2： | 7 |
| 10 | Circular smooth muscle contributes to esophageal shortening during peristalsis显示文摘AIM:To study the angle between the circular smooth muscle(CSM) and longitudinal smooth muscle(LSM) fibers in the distal esophagus.METHODS:In order to identify possible mechanisms for greater shortening in the distal compared to proximal esophagus during peristalsis,the angles between the LSM and CSM layers were measured in 9 cadavers.The outer longitudinal layer of the muscularis propria was exposed after stripping the outer serosa.The inner circular layer of the muscularis propria was then revealed after dissection of the esophageal mucosa and the underlying muscularis mucosa.Photographs of each specimen were taken with half of the open esophagus folded back showing both the outer longitudinal and inner circular muscle layers.Angles were measured every one cm for 10 cm proximal to the squamocolumnar junction(SCJ) by two independent investigators.Two human esophagi were obtained from organ transplant donors and the angles between the circular and longitudinal smooth muscle layers were measured using micro-computed tomography(micro CT) and Image J software.RESULTS:All data are presented as mean ± SE.The CSM to LSM angle at the SCJ and 1 cm proximal to SCJ on the autopsy specimens was 69.3 ± 4.62 degrees vs 74.9 ± 3.09 degrees,P = 0.32.The CSM to LSM angle at SCJ were statistically significantly lower than at 2,3,4 and 5 cm proximal to the SCJ,69.3 ± 4.62 degrees vs 82.58 ± 1.34 degrees,84.04 ± 1.64 degrees,84.87 ± 1.04 degrees and 83.72 ± 1.42 degrees,P = 0.013,P = 0.008,P = 0.004,P = 0.009 respectively.The CSM to LSM angle at SCJ was also statistically significantly lower than the angles at 6,7 and 8 cm proximal to the SCJ,69.3 ± 4.62 degrees vs 80.18 ± 2.09 degrees,81.81 ± 1.75 degrees and 80.96 ± 2.04 degrees,P = 0.05,P = 0.02,P = 0.03 respectively.The CSM to LSM angle at 1 cm proximal to SCJ was statistically significantly lower than at 3,4 and 5 cm proximal to the SCJ,74.94 ± 3.09 degrees vs 84.04 ± 1.64 degrees,84.87 ± 1.04 degrees and 83.72 ± 1.42 degrees,P = 0.019,P = 0.008,P = 0.02 respectively.At 10 cm above SCJ the angle was 80.06 ± 2.13 degrees which is close to being perpendicular but less than 90 degrees.The CSM to LSM angles measured on virtual dissection of the esophagus and the stomach on micro CT at the SCJ and 1 cm proximal to the SCJ were 48.39 ± 0.72 degrees and 50.81 ± 1.59 degrees.Rather than the angle of the CSM and LSM being perpendicular in the esophagus we found an acute angulation between these two muscle groups throughout the lower 10 cm of the esophagus.CONCLUSION:The oblique angulation of the CSM may contribute to the significantly greater shortening of distal esophagus when compared to the mid and proximal esophagus during peristalsis. | Anil K Vegesna Keng-Yu Chuang Ramashesai Besetty Steven J Phillips Alan S Braverman Mary F Barbe Michael R Ruggieri Larry S Miller | 2012 | World Journal of Gastroenterology2012，18，32： | 7 |
| 11 | Parallel transjugular intrahepatic portosystemic shunt with Viatorr^(®)? stents for primary TIPS insufficiency:Case series and review of literature显示文摘BACKGROUND Transjugular intrahepatic portosystemic shunts(TIPS) can alleviate complications of portal hypertension such as ascites and variceal bleeding by decreasing the portosystemic gradient.In limited clinical situations,parallel TIPS may be only solution to alleviate either variceal bleeding or ascites secondary to portal hypertension when the primary TIPS fails to do so.Data specifically addressing the use of this partially polytetrafluoroethylene covered nitinol stent(Viatorr~?) is largely lacking despite Viatorr~? being the current gold standard for modern TIPS placement.CASE SUMMARY All three patients had portal hypertension and already had a primary Viatorr~?TIPS placed previously.All patients have undergone failed endoscopy to manage acute variceal bleeding before referral for a parallel stent(PS).PS were placed in patients presenting with recurrent variceal bleeding despite existence of a widely patent primary TIPS.Primary stent patency was verified with either Doppler ultrasound or intra-procedural TIPS stent venography.Doppler ultrasound follow-up imaging demonstrated complete patency of both primary and parallel TIPS.All three patients did well on clinical follow-up of up to six months and no major complications were recorded.A review of existing literature on the role of PS in the management of portal hypertension complications is discussed.There are three case reports of use of primary and PS Viatorr~? stents placement,only one of which is in a patient with gastrointestinal variceal bleeding despite a patent primary Viatorr~? TIPS.CONCLUSION Viatorr~? PS placement in the management of variceal hemorrhage is feasible with promising short term patency and clinical follow-up data. | Driss Raissi Qian Yu Michael Nisiewicz Steven Krohmer | 2019 | World Journal of Hepatology2019，11，2： | 5 |
| 12 | 地下储存CO_2泄漏胁迫下地表植被光谱变化特征及识别研究显示文摘随着全球气候变暖,减少温室气体排放成为全世界所关注的问题,而碳捕捉与储存(carbon captureand storage,CCS)技术可以减少温室气体CO2排放量,但储存在地下的CO2有泄漏的风险。本工作的目的是通过野外模拟实验,研究地表植被(甜菜)在CO2轻微泄漏胁迫下其叶片叶绿素含量、水分含量及光谱变化特征,结果表明CO2泄漏胁迫的甜菜叶绿素与叶片含水量明显降低,叶片反射率在550nm减小,而在680nm增大。设计了比值指数R550/R680进行识别CO2泄漏胁迫的甜菜,发现该指数能够在胁迫发生7天后识别出胁迫的甜菜,且该指数具有较强的敏感性、稳健性及识别能力。研究结果对于未来CCS项目选址、地表生态监测评估、遥感监测CO2泄漏点等都具有重要的现实意义与应用价值。 | 陈云浩 蒋金豹 Michael D Steven 宫阿都 李一凡 | 2012 | 光谱学与光谱分析2012，32，7： | 5 |
| 13 | Pyruvate kinase M2 regulates homologous recombination- mediated DNA double-strand break repair显示文摘到 genotoxic 治疗的抵抗是治疗失败和肿瘤复发的一个主要原因。激活 DNA 损坏反应(DDR ) 并且允许癌症房间逃离 genotoxic 治疗的致命的效果的内在的机制仍然保持不清楚。这里,我们揭开通过的意外机制 pyruvate kinase M2 (PKM2 ) ,在癌症房间的高度表示的 PK isoform 和癌症的一个主人管理者新陈代谢的 reprogramming,与 DDR 集成直接支持 DNA 双海滨裂缝(DSB ) 修理。响应电离放射和氧化应力,在导致它的原子累积的 T328 的 ATM phosphorylates PKM2。pT328-PKM2 被要求并且对足够支持通过到在 DNA 的 DSB 和切除术的增加 CtIPs 招募的 T126 上的交往 CtBP 蛋白质(CtIP ) 的 phosphorylation 的调停的 DNA DSB 修理结束的相应再结合(HR ) 。ATM-PKM2-CtIP 轴的混乱敏化癌症房间到许多损坏 DNA 代理人和 PARP1 抑制。而且,增加了原子 pT328-PKM2 水平在 glioblastoma 病人与显著地更坏的幸存被联系。联合,这些数据倡导者是的指向 PKM2 策略的使用不仅破坏癌症新陈代谢而且禁止抵抗的重要机制到 genotoxic 治疗的一个工具。 | Steven T. Sizemore Manchao Zhang Ju Hwan Cho Gina M. Sizemore Brian Hurwitz Balveen Kaur Norman L. Lehman Michael C. Ostrowski Pierre A. Robe Weili Miao Yinsheng Wang Arnab Chakravarti Fen Xia | 2018 | Cell Research2018，28，11： | 5 |
| 14 | Three Hundred and One Consecutive Extended Right Hepatectomies: Evaluation of Outcome Based on Systematic Liver Volumetry显示文摘 | Yoji Kishi Eddie K. Abdalla Yun Shin Chun Daria Zorzi David C. Madoff Michael J. Wallace Steven A. Curley Jean-Nicolas Vauthey | 2009 | Annals of Surgery2009，，4： | 4 |
| 15 | Evaluation of a point of care ultrasound curriculum for Indonesian physicians taught by fi rst-year medical students显示文摘BACKGROUND: The purpose of this study was to assess the short-term efficacy of a 4-week ultrasound curriculum taught by American first-year medical students to general practitioners working in public health care clinics, or puskesmas, in Bandung, Indonesia.METHODS: We performed a prospective, observational study of Indonesian health care practitioners from public clinics in Bandung, Indonesia. These practitioners were enrolled in a 4-week ultrasound training course taught by first-year American medical students. A total of six sessions were held comprising of 38 ultrasound milestones. A pre-course and post-course written exam and practical exam was taken by each participant.RESULTS: We enrolled 41 clinicians in the course. The average pre-course exam score was 35.2% with a 2.4% pass rate, whereas the average post-course exam score was 82.0% with a 92.7% pass rate. The average practical score at the completion of the course was 83.2%(SD=0.145) with 82.9% of the class passing(score above 75.0%).CONCLUSION: Our data suggests that first-year medical students can effectively teach ultrasound to physicians in Indonesia using a 4-week intensive ultrasound training course. Future studies are needed to determine the amount of training required for proficiency and to evaluate the physicians' perceptions of the student-instructors' depth of knowledge and skill in point of care ultrasound. | Jonathan B.Lee Christina Tse Thomas Keown Michael Louthan Christopher Gabriel Alexander Anshus Bima Hasjim Katrina Lee Esther Kim Luke Yu Allen Yu Shadi Lahham Steven Bunch Maili Alvarado Abdulatif Gari John C.Fox | 2017 | World Journal of Emergency Medicine2017，8，4： | 4 |
| 16 | Impact of Hepatopulmonary Syndrome on Quality of Life and Survival in Liver Transplant Candidates显示文摘 | Michael B. Fallon Michael J. Krowka Robert S. Brown James F. Trotter Steven Zacks Kari E. Roberts Vijay H. Shah Neil Kaplowitz Lisa Forman Keith Wille Steven M. Kawut | 2008 | Gastroenterology2008，，4： | 4 |
| 17 | Status review of mercury control options for coal-fired power plants显示文摘 | John H Pavlish Everett A Sondreal Michael D Mann Edwin S Olson Kevin C Galbreath Dennis L Laudal Steven A Benson | 2003 | Fuel Processing Technology2003，，2： | 4 |
| 18 | Design of a water curtain to reduce accumulations of float coal dust in longwall returns显示文摘Accumulation of float coal dust(FCD)in underground mines is an explosion hazard that affects all underground coal mine workers.While this hazard is addressed by the application of rock dust,inadequate rock dusting practices can leave miners exposed to an explosion risk.Researchers at the National Institute for Occupational Safety and Health(NIOSH)have focused on developing a water curtain that removes FCD from the airstream,thereby reducing the buildup of FCD in mine airways.In this study,the number and spacing of the active sprays in the water curtain were varied to determine the optimal configuration to obtain peak knockdown efficiency(KE)while minimizing water consumption. | Clara E.Seaman Michael R.Shahan Timothy W.Beck Steven E.Mischler | 2020 | International Journal of Mining Science and Technology2020，30，4： | 4 |
| 19 | A new strategy for estimating risks of transfusion‐transmitted viral infections based on rates of detection of recently infected donors显示文摘 | Michael P.Busch Simone A.Glynn Susan L.Stramer D. MichaelStrong SallyCaglioti David J.Wright BrandeePappalardo Steven H.Kleinman | 2005 | Transfusion2005，，2： | 4 |
| 20 | Heart Disease and Stroke Statistics—2009 Update: A Report From the American Heart Association Statistics Committee and Stroke Statistics Subcommittee显示文摘 | Donald Lloyd-Jones Robert Adams Mercedes Carnethon Giovanni De Simone T Bruce Ferguson Katherine Flegal Earl Ford Karen Furie Alan Go Kurt Greenlund Nancy Haase Susan Hailpern Michael Ho Virginia Howard Brett Kissela Steven Kittner Daniel Lackland Lynda L | 2009 | Circulation2009，，3： | 4 |
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