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276篇 您的检索式:作者名="Vlasov"
    题名 作者 年代 出处 被引量
1临界厚度为30微米的薄层炸药显示文摘本文叙述了用微米和亚微米的炸药颗粒制成的薄层炸药。它们具有临界厚度薄、用药量小、爆速高、传爆可靠、起爆能力强、破坏作用小等优点。实测结果:临界厚度仅为30μm(其宽度为2mm);爆速为8030m/s(厚度为0.04~0.06mm)。Vlasov D A Rudchenko E A 朱祖良 董海山 1993含能材料1993,1,3:11
2甲烷浓度对CVD金刚石薄膜晶体学生长过程的影响显示文摘采用X射线衍射技术、电子背散射衍射技术和扫描电镜分别观察了不同甲烷浓度条件下沉积的CVD自支撑金刚石薄膜的宏观织构、微区晶界分布和表面形貌.研究了金刚石晶体{100}面和{111}面生长的晶体学过程.研究表明,{100}面通过吸附活性基团CH2 2-,而{111}面通过交替吸附活性基团CH3 -和CH3-后脱氢堆积碳原子.低甲烷浓度时,{111}面表面能低于{100}面,使{111}面生长略快于{100}面.甲烷浓度升高,动力学作用增强使{100}面生长明显快于{111}面,使金刚石薄膜产生{100}纤维织构;同时显露的{100}面平行于薄膜表面,竞争生长使位于晶体侧面的{111}面由于相互覆盖而减小,形成了不同于单晶体自由生长的薄膜表面形貌组织.朱宏喜 毛卫民 冯惠平 吕反修 Vlasov I I Ralchenko V G Khomich A V 2007无机材料学报2007,22,3:9
3Intestinal injury can be reduced by intra-arterial postischemic perfusion with hypertonic saline显示文摘AIM:To investigate the effect of local intestinal perfusion with hypertonic saline(HTS) on intestinal ischemia-reperfusion injury(IRI) in bothex vivo andin vivo rat models.METHODS:All experiments were performed on male Wistar rats anesthetized with pentobarbital sodium given intraperitoneally at a dose of 60 mg/kg.Ex vivo vascularly perfused rat intestine was subjected to 60-min ischemia and either 30-min reperfusion with isotonic buffer(controls),or 5 min with HTS of 365 or 415 mOsm/L osmolarity(HTS 365mOsm or HTS 415mOsm,respectively) followed by 25-min reperfusion with isotonic buffer.The vascular intestinal perfusate flow(IPF) rate was determined by collection of the effluent from the portal vein in a calibrated tube.Spontaneous intestinal contraction rate was monitored throughout.Irreversible intestinal injury or area of necrosis(AN) was evaluated histochemically using 2.3.5-triphenyltetrazolium chloride staining.In vivo,30-min ischemia was followed by either 30-min blood perfusion or 5-min reperfusion with HTS 365mOsm through the superior mesenteric artery(SMA) followed by 25-min blood perfusion.Arterial blood pressure(BP) was measured in the common carotid artery using a miniature pressure transducer.Histological injury was evaluated in both preparations using the Chui score.RESULTS:Ex vivo,intestinal IRI resulted in a reduction in the IPF rate during reperfusion(P < 0.05 vs sham).The postischemic recovery of the IPF rate did not differ between the controls and the HTS 365mOsm group.In the HTS 415mOsm group,postischemic IPF rates were lower than in the controls and the HTS 365mOsm group(P < 0.05).The intestinal contraction rate was similar at baseline in all groups.An increase in this parameter was observed during the first 10 min of reperfusion in the control group as compared to the sham-treated group,but no such increase was seen in the HTS 365mOsm group.In controls,AN averaged 14.8% ± 5.07% of the total tissue volume.Administration of HTS 365mOsm for 5 min after 60-min ischemia resulted in decrease in AN(5.1% ± 1.20% vs controls,P < 0.01).However,perfusion of the intestine with the HTS of greater osmolarity(HTS 415mOsm) failed to protect the intestine from irreversible injury.The Chiu score was lower in the HTS 365mOsm group in comparison with controls(2.4 ± 0.54 vs 3.2 ± 0.44,P = 0.042),while intestinal perfusion with HTS 415mOsm failed to improve the Chiu score.Intestinal reperfusion with HTS 365mOsm in the in vivo series secured rapid recovery of BP after its transient fall,whereas in the controls no recovery was seen.The Chiu score was lower in the HTS 365mOsm group vs controls(3.1 ± 0.26 and 3.8 ± 0.22,P = 0.0079 respectively,),although the magnitude of the effect was lower than in the ex vivo series.CONCLUSION:Brief intestinal postischemic perfusion with HTS 365mOsm through the SMA followed by blood flow restoration is a protective procedure that could be used for the prevention of intestinal IRI.Oleg Kornyushin Michael Galagudza Anna Kotslova Gelfia Nutfullina Nina Shved Alexey Nevorotin Valeriy Sedov Timur Vlasov 2013World Journal of Gastroenterology2013,19,2:4
4Electronic tonguenew analytical tool for liquid analysis on the basis of non-specific sensors and methods of pattern recognition显示文摘Vlasov Yu G Legin A V Rudnitskaya A M 2000Sensors and Actuators B2000,65,:1
5Multicomponent analysis of Korean green tea by means of disposable all-solid- state potentiometric electronic tongue microsystem显示文摘Larisa Lvova Andrey Legin Yuri Vlasov et ol 2003Sensors and Actuators B 952003,,:1
6Active control of slow light on a chip with photonic crystal waveguides显示文摘VLASOV Y A BOYLE M O HAMANN H F 2005Nature2005,438,7064:1
7Ischemic preconditioning of the rat brain as a method of endothelial protection from ischemic/repercussion injury 显示文摘Vlasov TD Korzhevskii DE Polyakova EA 2005Neurosci Behav Physiol2005,35,6:1
8Tasting of beverages using an electronic tongue显示文摘A Legin A Rudnitskaya Yu Vlasov 1997Sensors and Actuators B1997,44,:1
9'Electronic tongue'-new analytieal tool for liquid analysis on the basis of non-specific sensors and methods of pattern recognition显示文摘VLASOV Y G LEGIN A V RUDNITSKAYA A M 2000Sensors and Actuators B : Chemical2000,65,13:1
10显示文摘Laktionov PP Bryksin AV Rykova EIu Amirkhanov NV Vlasov VV 1999Vopr Med Khim1999,45,3:1
11Mode conversion los- ses in silicon-on-insulator photonic wire basedracetrack re- sonators 显示文摘Xia Feng-Nian Sekaric L Vlasov Y 2006Optics Express2006,14,9:1
12Cross-sensitivity Evaluation of Chemical Sensors for Electronic Tongue: Determination of Heavy Metalions 显示文摘Vlasov Y Legin A 1997Sensors and Actuators B1997,44,:1
13《Electronic tongue》-new analytical tool for liquid analysis on the basis of non-specific sensors and methods of pattern recognition显示文摘Vlasov Yu G Legin A Rudnitskaya A M 2000Sensors and Actuators B2000,65,:1
14Quasi-optical transformer which transformer the waves in a waveguide having a circular cross section into highly directional wave beam显示文摘VLASOV S N Orlova I M 1974Radio Physics and Quantum Electronics1974,17,1:1
15Ultracompact optical buffers ona silicon chip显示文摘XIA F SEKARIC L VLASOV Y 2007Nature Photonics2007,1,1:1
16Turbine blade grinding with abrasive bands 显示文摘Kalchenko V I Piastro A M Vlasov E I 1984Energomashinostroenie1984,76,2:1
17Mode conversion losses in silicon-oninsulator photonic wire based racetrack resonators显示文摘Xia F Sekaric L Vlasov Y A 0,,09:1
18Electronic Tongue--New Analytical Tool for Liquid Analysis on the Basis of Non--Specific Sensors and Methods of Pattern Recognition 显示文摘Vlasov YuG Legin A Rudnitskaya A M 2000Sensors an Actuators B2000,65,:1
19Ischemic adaptation of the rat brain as a method for protection of endothelium from ischemic reperfusion injury显示文摘Vlasov TD Korzhevskii DE Poliakova EA 2004Ross Fiziol Zh Im I M Sechenova2004,90,:1
20Models and algorithms for fuzzy control system of atmospheric block in atmospheric - and - vacuum distillation unit: design and analysis显示文摘Vlasov S S Shumikhin A G 2012Automation and Remote Control2012,,10:1
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