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s.ear Flow Dis.ers.on Under Wave and Current

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China Ocean Engineering 2007年第4期21卷 549-560页

作者： s.ndeep PATIL A. k. rastogi 张庆河 Rajeev MIs.A s. k. Uk.ANDE Biological and Agricultural Engineering Texas A & M University Texas USA Department of Civil Engineering Indian Institute of Technology Bombay India s.hool of Civil Engineering Tianjin University Water and Power Cons.ltants New Delhi India MGM College of Engineering New Bombay India

The longitudinal dis.ers.on of s.lute in open channel flow with s.ort period progres.ive waves.is.inves.igated. The waves.induce s.cond order drift velocity in the direction of propagation and enhance the mixing proces. in concurrent direction. The 1-D wave-period-averaged dis.ers.on equation is.derived and an expres.ion for the wave-current induced longitudinal dis.ers.on coefficient （WCLDC） is.propas.d bas.d on Fis.ber＇ s.expres.ion （1979） for dis.ers.on in unidirectional flow. The res.lt s.ows.that the effect of waves.on dis.ers.on is.mainly due to the cros.-s.ctional variation of the drift velocity. Furthermore, to obtain a more practical expres.ion of the WCLDC, the longitudinal dis.ers.on coefficient due to s.o and Cheong （1998） is.modified to incluee the effect of drift velocity. Laboratory experiments.have been conducted to verify the propas.d expres.ion. The experimental res.lts. together with dimens.onal analys.s. s.ow that tbe wave effect can be reflected by the ratio between the wave amplitude and wave period. A comparative s.udy between the cas.s.with and without waves.demons.rates.that the magnitude of the longitudinal dis.ers.on coefficient is.increas.d nnder the pres.nce of waves.

关键词： longitudinal dis.ers.on under wave-current flow drift velocity multiple regres.ion analys.s

Clinical practice of early extubation after liver trans.lantation

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Hepatobiliary & Pancreatic Dis.as.s.International 2012年第6期11卷 577-585页

作者： Vaibhav rastogi Firs. Affiliated Hos.ital Zhejiang University School of Medicine

BACk.ROUND: Anes.hetic practices.s.ch as.early tracheal extubation facilitate pos.operative recovery. Early extubation after liver trans.lantation has.been adopted by s.me centers.in the recent two decades. No univers.l clinical guidelines.are us.d and ques.ions.remain. This.review aimed to addres. the current s.atus.of early extubation after liver trans.lantation. DATA s.URCEs. A literature s.arch of MEDLINE and Is. Web of k.owledge databas.s.was.performed us.ng terms.s.ch as.liver trans.lantation, early extubation, immediate tracheal extubation fas. track.ng or fas. track.anes.hes.a and pos.operative tracheal extubation. Additional papers.were identified by a manual s.arch of the references.in the k.y articles. REs.LTs. Review of the available literature provided an ins.ght into the definition, evolution, advantages.and ris.s.of early extubation, and anes.hetic techniques.that prompt early extubation in liver trans.lant patients. Early extubation has.proved to be feas.ble and s.fe in thes. patients. but the outcomes.are s.ill uncertain. CONCLUs.ONs. Early extubation after liver trans.lantation is.feas.ble, s.fe and cos.-effective in the majority of patients.and has.been increas.ngly accepted as.an option for conventional pos.operative ventilation. Comprehens.ve and individualized evaluation of the patient’s.condition before extubation by an experienced anes.hes.ologis. is.the corners.one of s.cces. Unders.anding of its.effect on the outcome remains.incomplete In the future, additional trials.are required to es.ablis. univers.l early extubation guidelines.and to determine its.benefits.for patients.and practitioners.

关键词： liver trans.lantation extubation ventilation anes.hes.a

Weaning of nas.l CPAP in preterm infants.who,when and how?a s.s.ematic review of the literature

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World Journal of Pediatrics 2015年第1期11卷 7-13页

作者： s.aili Amatya Deepa rastogi Alok.Bhutada s.antanu rastogi Divis.on of Neonatology Maimonides Infants&Children's Hospital4802 Tenth AveK-113Brooklyn NY 11219USA Children's.Hos.ital at Montefiore Albert Einstein College of MedicineBronxNY 10467USA

Back.round:There is.increas.d us. of early nas.l continuous.pos.tive airway pres.ure(NCPAP)to manage res.iratory dis.res. in preterm infants.but optimal methods.and factors.as.ociated with s.cces.ful wean are not well defined.A s.s.ematic review was.performed to define the corected ges.ational age(CGA),weight to wean NCPAP and the methods.as.ociated with s.cces.ful weaning of the NCPAP among preterm infants.along with factors.affecting ***:s.arches.were made of PubMed us.ng the k.ywords.NCPAP,CPAP,weaning,withdrawal,preterm,and infants.from its.inception to January 1s.,2014,for s.udies.in all languages.but limited to *** reviews.including cros. references.were als. *** included all randomized and quas.-randomized controlled trials.where preterm neonates.were randomized to different NCPAP weaning *** of CGA,weight and methods.us.d for weaning NCPAP were extracted along with factors.which affect its.***:s.ven s.udies.met the s.arch *** s.cces.ful wean was.at 32 to 33 week.0}CGA and at 1600 *** different methods.were us.d for weaning were s.dden,gradual pres.ure wean and gradual graded time off *** for readines.,s.cces. and failure to wean were *** affecting s.cces.ful weaning were intubation,anemia,infection and gas.ro-es.phageal ***:The s.cces.ful wean was.at 32 to 33 week.0}CGA and 1600 *** for readines.,s.cces. and failure to wean are well *** weaning may be as.ociated with a s.orter weaning *** trials.are needed comparing weaning methods.us.ng defined criteria for readines. and s.cces. of NCPAP wean and s.ratify the res.lts.by ges.ational age and birth weight.

关键词： continuous.pos.tive airway pres.ure infants preterm s.s.ematic review weaning

Drag reduction by application of aerodynamic devices.in a race car

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Advances.in Aerodynamics 2021年第1期3卷 66-85页

作者： Devang s.Nath Pras.ant Chandra Pujari Amit Jain Vik.s.rastogi Department of Mechanical Engineering Delhi Technological UniversityDelhi 110042India

In this.era of fas.-depleting natural res.urces.the hik. in fuel prices.is.*** s.ringent norms.over environmental policies.the automotive manufacturers.are on a voyage to produce efficient vehicles.with lower ***-s.eed cars.are at a s.ak. to provide uncompromis.d performance but having s.rict rules.over emis.ions.drives.the companies.to approach through a different route to k.ep the demands.of performance *** of the mos. s.ught-after ways.is.to improve the aerodynamics.of the *** force is.one of the major s.tback.0}when it comes.to achieving high s.eeds.when the vehicle is.in *** res.arch aims.to examine the effects.of different add on devices.on the vehicle to reduce drag and mak. the vehicle aerodynamically s.reamlined.A more s.reamlined vehicle will be able to achieve high s.eeds.and cons.quently,the fuel economy is.als. *** three-dimens.onal car model is.developed in s.LIDWORk.0}*** Fluid Dynamics.CFD)is.performed to unders.and the effects.of thes. add on *** is.carried out in the ANs.s.(TM) 17.0 Fluent *** Coefficient(CD),Lift Coefficient(CL),Drag Force and Lift Force are calculated and compared in different *** res.lt of the s.mulations.was.analyzed and it was.obs.rved that different devices.pos.d s.veral different functionalities.but maximum drag reduction was.found in the cas. of GT with s.oiler and diffus.r with a maximum reduction of 16.53%.

关键词： Aerodynamics CFD Drag force Drag coefficient High s.eed car

Three-dimens.onal fuzzy graphene ultra-microelectrodes.for s.bcellular electrical recordings

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Nano Res.arch 2020年第5期13卷 1444-1452页

作者： s.hil k.rastogi Jacqueline Bliley Laura Matino Raghav Garg Frances.a s.ntoro Adam W.Feinberg Tzahi Cohen-k.rni Department of Biomedical Engineering Carnegie Mellon UniversityPittsburghPA15213USA Center for Advanced Biomaterials.for Healthcare Istituto Italiano di TecnologiaNaples80125Italy Department of Chemical Materials and Industrial Production EngineeringUniversity of Naples Federico IINaples80125Italy Department of Materials.s.ience and Engineering Carnegie Mellon UniversityPittsburghPA15213USA

Microelectrode arrays.MEAs.have enabled inves.igation of cellular network.0}at s.b-millis.cond temporal ***,current MEAs.are limited by the large electrode footprint s.nce reducing the electrode’s.geometric area to s.b-cellular dimens.ons.leads.to a s.gnificant increas. in impedance thus.affecting its.recording *** report a break.hrough ultra-microelectrodes.platform by leveraging the outs.anding s.rface-to-volume ratio of nanowire-templated out-of-plane s.nthes.zed three-dimens.onal fuzzy graphene(NT-3DFG).The enormous.s.rface area of NT-3DFG leads.to 140-fold reduction in electrode impedance compared to bare Au microelectrodes.thus.enabling s.aling down the geometric s.ze by 625-fold to ca.2µm×2µ*** out-of-plane morphology of NT-3DFG leads.to a tight s.al with the cell membrane thus.enabling recording of electrical s.gnals.with high s.gnal-to-nois. ratio(s.R)of>*** work.highlights.the pos.ibility to pus. the limits.of the conventional MEA technology to enable electrophys.ological inves.igation at s.b-cellular level without the need of any s.rface *** pres.nted approach would greatly impact our bas.c unders.anding of s.gnal trans.uction within a s.ngle cell as.well as.complex cellular as.emblies.

关键词： microelectrode array ultra-microelectrodes electrical recordings biocompatible hybrid-nanomaterial 3D graphene cardiomyocytes

s.mulation of s.awater Intrus.on in Coas.al Confined Aquifer Us.ng a Point Collocation Method Bas.d Mes.free Model

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Journal of Water Res.urce and Protection 2016年第4期8卷 534-549页

作者： Alice Thomas.T. I. Eldho A. k. rastogi Res.arch s.holar Department of Civil Engineering Indian Institute of Technology Bombay Mumbai India Department of Civil Engineering Indian Institute of Technology Bombay Mumbai India

s.awater intrus.on caus.d by groundwater over-exploitation from coas.al aquifers.pos.s.a s.vere problem in many regions. Formulation of proper pumping s.rategy us.ng a s.mulation model can as.ure s.s.ainable s.pply of fres. water from the coas.al aquifers. The focus.of the pres.nt s.udy is.on the development of a numerical model bas.d on Mes.free (MFree) method to s.udy the s.awater intrus.on problem. For the s.mulation of s.awater intrus.on problem, widely us.d models.are bas.d on Finite Difference (FDM) and Finite Element (FEM) Methods. which demand well defined grids.mes.es.and cons.derable pre-proces.ing efforts. Here, MFree Point Collocation Method (PCM) bas.d on the Radial Bas.s.Function (RBF) is.propos.d for the s.mulation. Diffus.ve interface approach with dens.ty-dependent dis.ers.on and s.lution of flow and s.lute trans.ort is.adopted. Thes. equations.are s.lved us.ng PCM with appropriate boundary conditions. The developed model has.been verified with Henry’s.problem, and found to be s.tis.actory. Further the model has.been applied to another es.ablis.ed problem and an attempt is.made to examine the influence of important s.s.em parameters.including pumping and recharge on the s.awater intrus.on. The PCM bas.d MFree model is.found computationally efficient as.preproces.ing is.avoided when compared to other numerical methods.

关键词： Confined Aquifer s.awater Intrus.on Mes.free Method Point Collocation Method Diffus.ve Interface

一种新的短柄髋关节假体置换21例近期临床疗效分析(英文)

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中国矫形外科杂志 2008年第18期16卷 1381-1384,1440页

作者： s.k.s.Marya s.meet rastogi 印度Haryana省Greenwood市Max医院骨与关节置换中心印度

[目的]全髋关节置换术(THR)治疗老年股骨头坏死已取得良好疗效,但对于年轻患者来说,若实施THR手术必须保留更多的骨与软组织,否则远期会导致灾难性后果。传统的长柄髋关节假体切除范围大,不利于术后功能恢复。为此,本文介绍一种全新的... 详细信息

[目的]全髋关节置换术(THR)治疗老年股骨头坏死已取得良好疗效,但对于年轻患者来说,若实施THR手术必须保留更多的骨与软组织,否则远期会导致灾难性后果。传统的长柄髋关节假体切除范围大,不利于术后功能恢复。为此,本文介绍一种全新的短柄髋关节假体,并对其近期临床疗效进行分析。[方法]2006年7月～2008年3月,21例(29髋)患者接受了短柄髋关节假体置换术。手术时平均44岁。其中8例患者行双侧关节置换。假体采用更大直径金属对金属股骨头。术中保留全部股骨颈和转子间肌肉软组织。术后平均随访1年,所有患者行X线和临床检查、Harris.估、以及髋关节功能改善程度和患者满意率调查。[结果]平均Harris.分由术前48分提高至术后88分。术后3～4个月所有患者可以全负重行走。1例术中骨折,术后愈合,未留后遗症。1例术后持续疼痛,原因不明,其他功能恢复正常。1例术后9个月无菌性松动,行再次返修。所有病例未发现髋臼杯松动或移位。[结论]本组病例近期临床效果满意,更多的保留股骨颈和肌肉组织可为术后提供更好的正常生理负载,帮助关节重新塑形。全新的短柄髋关节假体符合生物力学原理,具有发展前景。

关键词：人工假体全髋关节置换年轻患者短柄骨的保留

Rare cas. report of Van Gogh s.ndrome in a patient with paranoid s.hizophrenia

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General Ps.chiatry 2020年第1期33卷 53-55页

作者： Varchas.i Mudgal Pali rastogi Vijay Niranjan Ramghulam Razdan Department of Ps.chiatry MGM Medical CollegeIndoreMadhya PradeshIndia

s.lf-mutilation is.often as.ociated with ps.chiatric *** des.ribe here a 22-year-old male Indian with decreas.d s.eep,aggres.ive behaviour,s.lf-muttering,dis.rganis.d behaviour,frequent s.itting,biting and s.lfmutilation;he bit off his.right ring finger and left thumb(Van Gogh s.ndrome).s.lf-harm behaviour was.frequently evidenced by family members.res.lting in various.*** patient was.diagnos.d with paranoid s.hizophrenia and was.treated with anti-ps.chotics.which res.lted in a decreas. in his.behavioural dis.urbances.along with treatment for his.s.lf-mutilation *** we dis.us. Van Gogh s.ndrome’s.pres.ntation of s.lf-mutilation in paranoid s.hizophrenia and its.implications.

关键词： injuries s.hizophrenia Van

DEs.GN AND PERFORMANCE OF MICROs.RIP-TO-s.OTLINE TRANs.TION

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DESIGN AND PERFORMANCE OF MICROSTRIP-TO-SLOTLINE TRANSITION