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458篇 您的检索式:作者名="Silva D G"
    题名 作者 年代 出处 被引量
1未固结流砂地层采油过程中出砂情况模拟实验显示文摘为了研究未固结流砂储集层在采油过程中的出砂情况和影响出砂的主要因素,进行了不同条件下的出砂过程模拟实验。使用水洗白砂、黏土(高岭土)和蒸馏水制成未固结流砂地层模型,利用新开发的出砂模拟装置进行了模拟实验,并分析了作用于地层的拖曳力和地层胶结特征对出砂的影响。研究表明,随着拖曳力的增加,出砂速度和产油速度都加快;随着胶结物含量的增加,出砂量和产油量明显降低,甚至在胶结物含量较高的情况下出砂量几乎为零。地层压力大的油藏在开采期间由于产生了较大的拖曳力更可能出砂,而拖曳力和有效地层应力共同影响油藏的总体产油量。可以根据地层黏土含量估计出砂情况,从而通过采取适当的防砂措施尽可能减少出砂量。某些情况下油藏比气藏更容易出砂。PERERA M S A RANJITH P G RATHNAWEERA T D DE SILVA G P D LIU T 2017石油勘探与开发2017,44,5:8
2固定低剂量三联抗高血压药物与常规治疗对斯里兰卡轻度至中度高血压患者血压控制的疗效差异:一项随机临床试验显示文摘控制不良的高血压是全球领先的公共卫生问题,需要新的治疗策略。该研究评估低剂量三联抗高血压药物治疗是否能达到比常规治疗更好的血压控制。研究者纳入2016年2月至2017年5月在斯里兰卡11所城市医院诊所就诊的需要开始抗高血压治疗(未治疗的患者)或接受单药治疗的患者,进行低剂量三联降压与常规治疗比较的随机、开放性试验,随访至2017年10月。Web-ster R Salam A de Silva HA Selak V Stepien S Rajapakse S Amarasekara S Amarasena N Billot L de Silva AP Fernando M Guggilla R Jan S Jayawardena J Maulik PK Mendis S Munasinghe J Naik N Prabhakaran D Ranasinghe G Thom S Tisserra N Senaratne V Wijekoon S Wijeyasingam S Rodgers A Patel A 刘莉 叶鹏 2018中华高血压杂志2018,26,12:7
3NEW TOXOPLASMA GONDII GENOTYPES ISOLATED FROM FREE-RANGE CHICKENS FROM THE FERNANDO DE NORONHA, BRAZIL: UNEXPECTED FINDINGS显示文摘Dubey J P Rajendran C Costa D G C Ferreira L R Kwok O C H Qu D Su C Marvulo M F V Alves L C Mota R A Silva J C R 2010The Journal of Parasitology2010,,4:2
4Determination of Lead in Biological Samples by High-resolution Continuum Source Graphite Furnace Atomic Absorption Spectrometry with Direct Solid Sampling显示文摘BORGES D G DA SILVA A F WELZ B 2006JAnal at Spectrom2006,21,:1
5The ica operon and biofilm prodution in coagulase negative staphylococci associated with carriage and disease in a neonatal intensive care unit显示文摘de SILVA G D KANTZANOU M JUSTICE A 2002J Clin Microbiol2002,40,:1
6Slurry sampling for the determination of mercury in rice using cold vapor atomic absorption spectrometry显示文摘Silva L O B da Silva D G Leao D J 2012Food Analytical Methods2012,5,6:1
7Parametric Study of Adhesive Joints with Composites 显示文摘NETO J A B P CAMPILHO R D S G DA SILVA L F M 2012International Journal of Adhesion and Adhesives2012,,:1
8Syntheses of 5-hydroxy-2-(phenyl or styryl)chromones and of some halo derivatives显示文摘Pinto D C G A Silva A M S Cavaleiro J A S 1996J Heterocycl Chem1996,33,:1
9The antitumoral, trypanocidal and antileishmanial activities of extract and alkaloids isolated from Duguetiafurfuracea 显示文摘Da Silva D B Tulli E C Militao G C etal 2009Phytomedicine2009,16,11:1
10The potential for gamete recovery from non-domestic canids and felids 显示文摘Silva A R Morato R G Silva L D 2004Anim Reprod Sci2004,81,:1
11Inhibitory action of aqueous coffee ground extracts on the corrosion of carbon steel in HC1 solution 显示文摘TORRESS V V AMADO R S de sAC F FERNANDEZ T L da SILVA RIEHI C A TORRES A G D'ELIA E 2011Corrosion Science2011,53,:1
12Single particle characterization of automobile and diesel truck emissions in the caldecott tunnel显示文摘GROSS D S GLLI M E SILVA P J 2000Aerosol Science and Technology2000,32,2:1
13The application of FAMM (fluorescence alteration of multiple macerals) analyses for evaluating rank of Parana basin coal, Brazil 显示文摘Kalkreuth W Sherwood N Cioccari G Silva C D Silva M Zhong N Zufa L 2004International Journal of Coal Geology2004,57,:1
14Probabilistic assessment of available transfer capacity based on Monte Carlo methods with sequential simulation 显示文摘RODRIGUES A B SILVA M G D 2007IEEE Trans on Power Systems2007,22,2:1
15Hydrogen production and purification from the water-gas shift reaction on CuO/CeO2-TiO2 catalysts显示文摘Maciel C G Silva T d F Assaf E M 0,,01:1
16Hydrolytic activity of free and immobilized cellulase 显示文摘TIBIKA I R M SILVA A G L PETRI D F S 2009Langmuir2009,25,3:1
17Storage temperature effect on histamine formation in big eye tuna and skipjack显示文摘SILVA C C G da PONTE D J B DAPKEVICIUS M L N 1998Journal of Food Science1998,63,4:1
18Taking temperature-a review of European Union regulation in nanomedicine显示文摘D'Silva J van Calster G 2009Eur J Health Law2009,16,3:1
19Evaluation of human milk fortification from the time of the first feeding: effects on infants of less than 31 weeks gestational age 显示文摘TILLMAN S BRANDON D H SILVA S G 2012J Perinatol2012,32,7:1
20Blending PSO and ANN for optimal design of FSS filters with Koch Island patch elements 显示文摘Da F Silva P H Cruz R M S D' Assuncao A G 2010IEEE Trans on Magnetics2010,46,8:1
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