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磷含量与热处理对化学镀镍抗蚀性能的影响

材料保护 1991年第11期24卷 42-45页

作者： k.S Rajann Lndira Rajagopal S.R rajagopalan 胡铁骑

化学镀镍(Ni-p)抗碱、有机酸、还原剂、盐溶液和石油环境,仅与氧化性酸起作用。Ni-p合金镀层优良的抗蚀性能应归因于Ni-p合金的非晶型结构和表面形成钝化膜层。非晶材料一般相对于它们的晶体材料有较好的抗蚀性能,因为这种非晶型材料没... 详细信息

化学镀镍(Ni-p)抗碱、有机酸、还原剂、盐溶液和石油环境,仅与氧化性酸起作用。Ni-p合金镀层优良的抗蚀性能应归因于Ni-p合金的非晶型结构和表面形成钝化膜层。非晶材料一般相对于它们的晶体材料有较好的抗蚀性能,因为这种非晶型材料没有加速腐蚀的晶粒边界。从含次磷酸钠的镀液中沉积的镍合金里磷的含量取决于槽液的化学性质和操作条件,磷含量影响合金的结构和性质,同时也能影响合金的抗蚀性能。 Duncan指出:采用大约3 mol/L的盐酸作重量损失腐蚀试验,含磷8±1％与10％～11％合金的抗蚀性能相差可大于一个数量级。Johnson and

关键词：镀镍磷热处理化学镀抗蚀性

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Connectivity-Enhanced Route Selection and Adaptive Control for the Chevrolet Volt

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Journal of Traffic and Transportation Engineering 2016年第1期4卷 49-60页

作者： Jeffrey Gonder Eric Wood Sai rajagopalan National Renewable Energy Laboratory Golden CO 80401 USA General Motors R&D Warren M148090 USA

The National Renewable Energy Laboratory and General Motors evaluated connectivity-enabled efficiency enhancements for the Chevrolet Volt. A high-level model was developed to predict vehicle fuel and electricity consumption based on driving characteristics and vehicle state inputs. These techniques were leveraged to optimize energy efficiency via green routing and intelligent control mode scheduling, which were evaluated using prospective driving routes between tens of thousands of real-world origin/destination pairs. The overall energy savings potential of green routing and intelligent mode scheduling was estimated at 5% and 3%, respectively. These represent substantial opportunities considering that they only require software adjustments to implement.

关键词： ITS (intelligent transportation systems) green routing vehicle drive cycles/profiles route-based/adaptive powertraincontrol vehicle telematics/navigation vehicle energy use prediction.

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一个测定土壤微生物有机矿化作用的简单装置

热带农业科技 1981年第2期 79-81页

作者： p.M.sivalingam,k.rajagopalan,陈建白马来西亚SajnS大学生物科学训练班马来西亚SajnS大学生物科学训练班

用三种不同的方法比较研究了土壤微生物矿化作用所产生的CO2速率,表明三种测定方法的效果是相同的（洗涤法、氧气通入法和封闭大气法）。然而,后者用于矿化作用的测定,装置简单、操作方便。根据本研究,提出了一个改良的封闭大气法,建议... 详细信息

用三种不同的方法比较研究了土壤微生物矿化作用所产生的CO2速率,表明三种测定方法的效果是相同的（洗涤法、氧气通入法和封闭大气法）。然而,后者用于矿化作用的测定,装置简单、操作方便。根据本研究,提出了一个改良的封闭大气法,建议用于实验室,包括室外研究之用。

关键词：改良剂矿化作用阳离子交换量氧气工业气体上壤洗涤法装置

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矮秆与高秆籼稻品种间杂交的研究

广东农业科学 1974年第3期 67-71页

作者： k.rajagopalan J.Chandramohan p.Narayanaswamy

关于具有新株型的“国际稻8号”(“IR-8”)和“台中本地1号”品种与其他一般高秆品种“ADT.27号”、“Co·29号、”“TkM·6号”、“Co·32号”和“ASD·1号”杂交的杂种第一代杂种优势的表现,杂种第二代群体性状的分离与重组,及对由此... 详细信息

关于具有新株型的“国际稻8号”(“IR-8”)和“台中本地1号”品种与其他一般高秆品种“ADT.27号”、“Co·29号、”“TkM·6号”、“Co·32号”和“ASD·1号”杂交的杂种第一代杂种优势的表现,杂种第二代群体性状的分离与重组,及对由此选出的三个有希望的矮秆品种“karuna”(“国际稻8号”×“ADT·27号”)、“kanchi”(“台中本地1号”×“Co·29号”)和“Cauvery”(“台中本地1号”×“TkM·6号”)的穗长、小穗数和节间长的关系进行了研究。株高、穗数、小穗不育、谷粒产量与稻秆产量诸性状表现杂种优势。植株习性、叶色、株高、稃色、稃端色及米色等性状遗传似乎包括一个以上基因。在杂种第二代,高秆植株群体比矮秆植株群体的穗长与小穗数更有密切相关。在分离出的矮秆植株群体中,穗长与谷粒产量的相关表现出高于与小穗数的相关,而在高秆群体中,小穗数与谷粒产量有高度相关。穗数与谷粒产量有非常高的相关,其组合程度在高秆植株群体中多于矮秆群体。而且,分离出的矮秆植株的穗数与株高之间的相关较弱。在矮秆品种“karuna”、“kanchi”及“Cauvery”中,穗长与小穗数如同与三个基部节间一样,具有高度相关。

关键词：杂种第一代穗长节间长杂交组合杂种组合矮秆小穗数品种间杂交高秆

Ferrofluid Actuated Thermal Overload Relay

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Smart Grid and Renewable Energy 2012年第1期3卷 62-66页

作者： Badrinarayanan rajagopalan Mugundhan Hayagrivan Mahesh praveenkumar Department of Electrical and Electronics Engineering Panimalar Engineering College Anna University Chennai India.

Thermal overload relays are economic electromechanical protection devices which offers reliable protection for electric motors in the event of overload or phase failure. presently there are two types of overload relays which depend on the temperature characteristics of metals to provide protection by tripping the circuit. These relays lack accuracy as they do not activate the trip circuit at any exact specified temperature. In this paper we introduce a new form of thermal over-load relay actuated by ferrofluid. The ferrofluid has a very accurate transition temperature known as curie temperature. It acts as a ferromagnetic material below the curie temperature and loses the property of ferromagnetism above this temperature. By using this property of the fluid we propose an alternative method for more accurate op-eration under overload condition. This relay finds application in the protection system of electrical machines. Thus, in this paper we present a novel and simple technique for protection against thermal overloading using ferrofluid.

关键词： Ferrofluid Overload Relay Thermal protection Motor protection

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印度南部白内障术后眼内炎的发病率和预后

世界核心医学期刊文摘(眼科学分册) 2006年第3期 44-45页

作者： Lalitha p rajagopalan J prakash k. 王永强 Aravind Eye Hospital PG Institute of Ophthalmology 1 Anna Nagar Madurai Tamil Nadu 625 020 IndiaDr.

Objective: To determine the incidence of acute-onset postcataract endophthalmitis, identify risk factors, and determine clinical outcomes in a tertiary eye care center in South India. Design: Retrospective, interventional, observational case series. participants: All patients who underwent cataract extraction from January 2002 to December 2003 at Aravind Eye Hospital, Madurai. Methods: The reco rds of patients with acute endophthalmitis after cataract surgery were reviewed. Main Outcome Measures: Acute-onset postcataract endophthalmitis, incidence rat es, risk factors, organisms cultured, and visual acuity outcomes after treatment . Results: During the study period, 36072 cataract surgeries were performed; the se included 22294 cases of phacoemulsification and 9503 cases of ex tracapsular cataract extraction. A total of 19 eyes developed acute endophthal mitis after cataract surgery (average 2-year incidence, 0.05%). Ten cases were culture positive (average 2-year incidence, 0.03%). In multivariate analysis, increased risk of endophthalmitis was associated with intraoperative complicati ons, such as posterior capsular rent and vitreous loss (relative risk RR, 6.57 ; 95%confidence interval CI, 1.5-28.5; p=0.05) for all endophthalmitis cases , age >60 years for culture positive endophthalmitis cases (RR, 6; 95%CI, 0.7-47.8; p=0.04), and an extracapsular cataract extraction technique for culture-positive endophthalmitis cases (RR, 4.9; 95%CI, 1.2-19.3; p=0.001). After follow-up of 37 days, 5 (29.41%) of the 17 patients achieved a best-corrected visu al acuity (BCVA) of 20/40, and the remaining 7 (32.3%) had a BCVA better than 2 0/200. Of the culture-positive cases, Nocardia species was the most common orga nism isolated, accounting for more than half of these cases (6/10 60%). Conclusions: This study found the incidence of acute postoperative endophthalmitis after cataract surgery to be 0.05%. Extracapsular cataract extraction technique and the occurrence of intraopera

关键词：白内障术后印度南部眼内炎发病率

Non-rigid registration and kLT filter to improve SNR and CNR in GRE-EpI myocardial perfusion imaging

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Journal of Biomedical Science and Engineering 2012年第12期5卷 871-877页

作者： Georgeta Mihai Yu Ding Hui Xue Yiu-Cho Chung Sanjay rajagopalan Jens Guehring Orlando p. Simonetti Department of Internal Medicine Cardiovascular Division Dorothy M. Davis Heart and Lung Research Institute Columbus USA Imaging & IT Division Siemens AG Healthcare Sector Erlangen Germany Imaging and Visualization Siemens Corporate Research Princeton USA Shenzhen Institutes of Advanced Technology Shenzhen University Town Shenzhen China

The purpose of the study was to evaluate the effect of motion compensation by non-rigid registration combined with the karhunen-Loeve Transform (kLT) filter on the signal to noise (SNR) and contrast-to-noise ratio (CNR) of hybrid gradient-echo echoplanar (GRE-EpI) first-pass myocardial perfusion imaging. Twenty one consecutive first-pass adenosine stress perfusion MR data sets interpreted positive for ischemia or infarction were processed by non-rigid Registration followed by kLT filtering. SNR and CNR were measured in abnormal and normal myocardium in unfiltered and kLT filtered images following nonrigid registration to compensate for respiratory and other motions. Image artifacts introduced by filtering in registered and nonregistered images were evaluated by two observers. There was a statistically sig- nificant increase in both SNR and CNR between normal and abnormal myocardium with kLT filtering (mean SNR increased by 62.18% ± 21.05% and mean CNR increased by 58.84% ± 18.06%;p = 0.01). Motion correction prior to kLT filtering reduced significantly the occurrence of filter induced artifacts (kLT only-artifacts in 42 out of 55 image series vs. registered plus kLT-artifacts in 3 out of 55 image series). In conclusion the combination of non-rigid registration and kLT filtering was shown to increase the SNR and CNR of GRE-EpI perfusion images. Subjective evaluation of image artifacts revealed that prior motion compensation significantly reduced the artifacts introduced by the kLT filtering process.

关键词： Cardiac First pass perfusion Non-Rigid Registration kLT Filter CNR Dynamic MRI

Optimizing plant Geometry and Nutrient Management for Grain Yield and Economics in Irrigated Greengram

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American Journal of plant Sciences 2015年第8期6卷 1144-1150页

作者： Murugesan Mohana keerthi rajagopalan Babu Mani Joseph Rajiah Amutha Department of Agronomy Agricultural College and Research Institute Tamil Nadu Agricultural University Killikulam Tuticorin Tamil Nadu India

Greengram (Vigna radiata L.) is important pulse crop in India. The yield and economics were in-creased by optimization of plant geometry and nutrient management under irrigated condition. The field experiment was conducted during Rabi season of November 2013 to January 2014 at Tamil Nadu Agricultural University, Agricultural College and Research Institute, killikulam. An experiment was laid out in randomised block design and replicated thrice and the test variety of the crop greengram (CO 6) was used. The plant geometry of 30 × 30 cm, 25 × 25 cm and 30 × 10 cm was adopted. The Soil Test Crop Response (STCR) based fertilizer application, RDF, FYM and ZnSO4 was applied in soil as basal. The foliar spray of pulse Wonder and pink-pigmented facultative methylotrophs (ppFM) spray was done at one week after flowering and 1% kNO3 at 50 per cent flowering. Adoption of planting geometry of 30 × 30 cm, application of RDF, 12.5 t of FYM and 25 kg ZnSO4 as basal and foliar spraying of 1% kNO3 at 50 per cent flowering recorded higher dry matter production of 2865 kg·ha-1 and yield attributes viz., number of pod clusters plant-1 (10.34), number of pods plant-1 (53.40), number of seeds pod-1 (13.23), pod length (8.77 cm) and seed test weight (3.42 g). Higher grain yield of 1775 kg·ha-1, haulm yield (2920 kg·ha-1), harvest index (0.38), net return (57,806 Rs·ha-1) and B:C ratio (2.43) were associated with the treatment comprising of 30 × 30 cm spacing, application of RDF, 12.5 t of FYM and 25 kg ZnSO4 as basal and foliar spraying of 1% kNO3 at 50 per cent flowering.

关键词： Greengram plant Geometry Nutrients Yield

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桥梁上部结构就地悬臂施工

石家庄铁道大学学报（自然科学版） 1986年第4期14卷 74-81页

作者： k.rajagopalan Nair 王晓玲

本文简要叙述就地悬臂施工法,包括大跨度上部结构的预应力施工法。作音针对这类结构在设计、施工中要参考的一些主要方面着重进行了介绍。

关键词：悬臂施工桥梁上部结构钢丝束预应力施工压浆作音类结构悬臂端悬臂法施工跨桥

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