检索结果-南通市图书馆

Clinical malaria and the potential risk of anaemia among preschool-aged children:apopulation-based study of the 2015-2016 Malawi micronutrient survey

在线全文

学校读者我要写书评

暂无评论

Infectious Diseases of Poverty 2019年第6期8卷 28-38页

作者： Peter austin Morton Ntenda Sosten Chilumpha Edward Tisungane Mwenyenkulu Jane Flora Kazambwe Walaa El-Meidany Malaria Alert Centre College of MedicineUniversity of MalawiPrivate Bag 360ChichiriBlantyre 3Malawi Ministry of Health and Population Department of Planning and Policy DevelopmentPO Box 30377LilongweMalawi The Malawi University of Science and Technology P.0 Box 5196LimbeMalawi NBS Bank PlC Head Office NBS House Corner Chipem bere Highway&Johnstone Roads Ginnery Corner BlantyreP.O.Box 32251ChichiriBlantyre 3Malawi Department of Nutrition High Institute of Public HealthAlexandria UniversityHiph 65 El-Horreya AvenueEl-lbrahimiaAlexandriaEgypt

Background:Anaemia and malaria are common and life-threatening diseases among preschool-aged children in many tropical and subtropical areas,and Malawi is no ***,this study aimed to examine the association of referral clinical malaria with anemia(hemoglobin[Hb]l)in preschool-aged children in ***:Using cross-sectional data obtained from the 2015-2016 Malawi Micronutrient Survey(MNS),multivariate logistic regression models were construaed using surveylogistic to account for the complex survey *** samples of 1051 children aged 6-59 months were evaluated for malaria(using rapid diagnostic test[RDT]-SD BIOlINE Malaria Ag P.f/Pan test histidine-rich protein(HRP-Ⅱ)^™),Hb(using HemoCue 301),a-1-acid glycoprotein(AGP),and serum ferritin biomarkers(using simple sandwich enzyme-linked immunosorbent assay technique,ElISA)and inherited blood disorders from dry blood samples(DBS)using polymerize chain reaaion(PCR).Diagnosis of clinical malaria was made on the basis of fever and a positive rapid diagnostic test(RDT).Results:Of the 1051 PSC analysed,29%had anaemia while 24.4%had a referral to the hospital due to *** adjustments for known confounders,PSC with a history of referral clinical malaria had increased odds of being anaemic(adjusted odds ratio[aOR]=4.63,95%confidence interval[Cf]:2.90-7.40),Plinical malaria increased the risk of anaemia in PSC Thus,elimination of malariacausing parasites from the PSCs blood should be rapid and complete in order to prevent the progression of uncomplicated malaria to a chronic infection that can lead to the development of malaria-related anaemia.

关键词： Clinical malaria Anaemia a-Acid glycoprotein Serum ferritin Malawi

在线全文

学校读者我要写书评

暂无评论

煤的洗选和破碎(第一部分)

煤炭转化 1987年第2期 56-62+55页

作者： l.G.austin P.T.luckie 刘翠玲

1.前言煤的洗选是煤发电、煤液化及煤气化过程中一个重要而经济的步骤。煤经洗选,空气污染的问题就可以得到改善;由于生成熔渣而不适用于一些工厂的问题也可以得到缓解;通过减小防止灰渣沉积的大型炉的尺寸、减小防止排放污染物的洗涤... 详细信息

1.前言煤的洗选是煤发电、煤液化及煤气化过程中一个重要而经济的步骤。煤经洗选,空气污染的问题就可以得到改善;由于生成熔渣而不适用于一些工厂的问题也可以得到缓解;通过减小防止灰渣沉积的大型炉的尺寸、减小防止排放污染物的洗涤器的尺寸以及缩小灰处理设备的规模,都会使工厂总投资有所降低。上述这些问题对于东部煤(指美国东部)都是特别

关键词：洗选重介质粒度范围

Impact of conditioning regimen on peripheral blood hematopoietic cell transplant

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Oncology 2019年第2期10卷 86-97页

作者： Michael Burns Anurag K Singh Carrie C Hoefer Yali Zhang Paul K Wallace George l Chen Alexis Platek Timothy B Winslow austin J Iovoli Christopher Choi Maureen Ross Philip l McCarthy Theresa Hahn Department of Medicine Roswell Park Comprehensive Cancer Center Department of Radiation Medicine Roswell Park Comprehensive Cancer Center Department of Flow Cytometry Roswell Park Comprehensive Cancer Center Center for Immunotherapy Roswell Park Comprehensive Cancer Center

AIM To investigate infused hematopoietic cell doses and their interaction with conditioning regimen intensity +/-total body irradiation(TBI) on outcomes after peripheral blood hematopoietic cell transplant(PBHCT).METHODS Our retrospective cohort included 247 patients receiving a first, T-replete, human leukocyte antigen-matched allogeneic PBHCT and treated between 2001 and2012. Correlations were calculated using the Pearson product-moment correlation coefficient. Overall survival and progression free survival curves were generated using the Kaplan-Meier method and compared using the log-rank *** Neutrophil engraftment was significantly faster after reduced intensity TBI based conditioning [reduced intensity conditioning(RIC) + TBI] and > 4 × 10~6 CD34+cells/kg infused. A higher total nucleated cell dose led to a higher incidence of grade II-IV acute graft-versus-host disease in the myeloablative + TBI regimen group(P = 0.03), but no significant difference in grade III-IV graft-versus-host disease. A higher total nucleated cell dose was also associated with increased incidence of moderate/severe chronic graft-versus-host disease, regardless ofconditioning regimen. Overall and progression-free survival were significantly better in patients with a RIC + TBI regimen and total nucleated cell dose > 8 ×10~8/kg(3 years, overall survival: 70% vs 38%, P = 0.02, 3 years, progression free survival: 64% vs 38%, P = 0.02).CONClUSION TBI and conditioning intensity may alter the relationship between infused cell doses and outcomes after PBHCT. Immune cell subsets may predict improved survival after unmanipulated PBHCT.

关键词： Total body radiation Peripheral blood hematopoietic cell transplant Total nucleated dose Neutrophil engraftment Graft-versus-host-disease

Instability of relativistic electron beam with strong magnetic field

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Science Bulletin 2000年第1期45卷 18-23页

作者： H.l.Berk Institute for Fusion Studies University of Texas at AustinAustinTX 78712-1060USA

Stability criteria for a weak relativistic beam-plasma interaction in a strong magnetic field are found. Two beam modes occur, ω≈Kzc and ω≈kzc-ωc. The dispersion equation of electrostatic two-stream is exactly so... 详细信息

关键词： instability relativistic electron beam two-stream strong magnetic field dispersion relation.

Energy Spectrum of linear Internal Wave Field in the Vicinity of Continental Slope

在线全文

学校读者我要写书评

暂无评论

Journal of Applied Mathematics and Physics 2020年第10期8卷 2256-2274页

作者： Ranis N. Ibragimov austin Biondi Nathan Arndt Maria Castillo Guang lin Vesselin Vatchev Sheng Zhang Wenatchee Valley College Wenatchee WA USA University of Wisconsin-Parkside Kenosha WI USA Purdue University West Lafayette IN USA University of Texas Rio Grande Edinburg TX USA

The purpose of the research was to investigate two-dimensional modeling of efficiency of mixing, resulting from the reflection of a linear internal wave field (IWF) off a continental slope. Efficiency of deep ocean mixing was associated with the energy balance of the radiating IWF into an interior of the ocean in the vicinity of a sloping bottom topography. Since waves are generated not only at the fundamental frequency but also at all of its harmonics ωn = nω less than buoyancy frequency N and greater than Coriolis frequency f, our analysis includes, in general, an infinite number of discrete internal wave modes n satisfying the dispersion relationship for internal waves. However, since we are interested only in the radiating part of the field, the mode numbers are limited. Due to multiple singularities of order two caused by resonance in the vicinity of critical slope, the energy is visualized in lδ -norm with δ > 2. Research results include the visualization of the effects of the continental slope and the Earth’s rotation on resulting energy in the vicinity of the slope.

关键词： Internal Wave Field Effects of Rotation Continental Slope Energy Radiation

Higher-Order level-Set Method and Its Application in Biomolecular Surfaces Construction

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Computer Science & Technology 2008年第6期23卷 1026-1036页

作者： Chandrajit l. Bajaj 徐国良张琴 CVC Department of Computer ScienceInstitute for Computational Engineering and Sciences University of Texas at Austin lSEC Institute of Computational MathematicsAcademy of Mathematics and System Sciences Chinese Academy of Sciences School of Sciences Beijing Information Science and Technology University

We present a general framework for a higher-order spline level-set （HlS） method and apply this to biomolecule surfaces construction. Starting from a first order energy functional, we obtain a general level set formulation of geometric partial differential equation, and provide an efficient approach to solving this partial differential equation using a C2 spline basis. We also present a fast cubic spline interpolation algorithm based on convolution and the Z-transform, which exploits the local relationship of interpolatory cubic spline coefficients with respect to given function data values. One example of our HlS method is demonstrated their individual atomic coordinates which is the construction of biomolecule and solvated radii as prerequisites. surfaces （an implicit solvation interface） with

关键词： higher-order spline level-set geometric partial differential equation biomolecular surface

Influence of field emission on microwave microdischarges

在线全文

学校读者我要写书评

暂无评论

High Voltage 2016年第1期1卷 57-59页

作者： Dmitry levko laxminarayan l.Raja Department of Aerospace Engineering and Engineering Mechanics The University of Texas at AustinAustinTexas 78712USA

An instability in the stable operation of microdischarges sustained at microwave frequencies,is investigated by a self-consistent one-dimensional particle-in-cell Monte Carlo collisions *** instability is caused by the field electron emission from electrodes and is triggered by the high electric fields at the sheaths in a dense *** an operating frequency of 9 GHz,and electrode gap of 60μm,the field emission(FE)is not active at the breakdown ***,once a stable dense plasma is produced post-breakdown,a strong sheath results in an electrode electric fields that exceed the threshold for FE causing a runaway in the electron generation in the plasma.

关键词： microwave electrode field

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

新生儿MRI可预测早产儿的神经发育预后

世界核心医学期刊文摘(神经病学分册) 2006年第12期 3-4页

作者： Woodward l.J. Anderson P.J. austin N.C. 郭俊 Dr.Canterbury Child Development Research Group Department of PsychologyUniversity of CanterburyPrivate Bag 4800ChristchurchNew Zealand

BACKGROUND:Very preterm infants are at high risk for adverse neurodevelopmental *** resonance imaging(MRI)has been proposed as a means of predicting neurodevelopmental outcomes in this ***:We studied 167 very preterm infants(gestational age at birth,30 weeks or less)to assess the associations between qualitatively defined white-matter and gray-matter abnormalities on MRI at term equivalent(gestational age of 40 weeks)and the risks of severe cognitive delay,severe psychomotor delay,cerebral palsy,and neurosensory(hearing or visual)impairment at 2 years of age(corrected for prematurity).RESUlTS:At two years of age,17 percent of infants had severe cognitive delay,10 percent had severe psychomotor delay,10 percent had cerebral palsy,and 11 percent had neurosensory ***-to-severe cerebral white-matter abnormalities present in 21 percent of infants at term equivalent were predictive of the following adverse outcomes at two years of age:cognitive delay(odds ratio,3.6;95 percent confidence interval,1.5 to 8.7),motor delay(odds ratio,10.3;95 percent confidence interval,3.5 to 30.8),cerebral palsy(odds ratio,9.6;95 percent confidence interval,3.2 to 28.3),and neurosensory impairment(odds ratio,4.2;95 percent confidence interval,1.6 to 11.3).Gray-matter abnormalities(present in 49 percent of infants)were also associated,but less strongly,with cognitive delay,motor delay,and cerebral ***-to-severe white-matter abnormalities on MRI were significant predictors of severe motor delay and cerebral palsy after adjustment for other measures during the neonatal period,including findings on cranial ***:Abnormal findings on MRI at term equivalent in very preterm infants strongly predict adverse neurodevelopmental outcomes at two years of *** findings suggest a role for MRI at term equivalent in risk stratification for these infants.

关键词：神经发育新生儿早产儿预后

数字化3cm天气雷达定量测量降水的结果和讨论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

高原气象 1988年第4期 330-344页

作者：薛震刚蔡启铭徐宝祥 G.l.austin 中国科学院兰州高原大气物理研究所 McGill University Canada

本文讨论了3cm天气雷达在兰州地区定量测量降水及其精度;分析了不同降水类型和衰减等对测量的影响;讨论了地面雨量计订正雷达测量值的方法和效果。

关键词：数字化雷达雷达测雨等高平显