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| 1 | A review:On path planning strategies for navigation of mobile robot显示文摘This paper presents the rigorous study of mobile robot navigation techniques used so far.The step by step investigations of classical and reactive approaches are made here to understand the development of path planning strategies in various environmental conditions and to identify research gap.The classical approaches such as cell decomposition(CD),roadmap approach(RA),artificial potential field(APF);reactive approaches such as genetic algorithm(GA),fuzzy logic(FL),neural network(NN),firefly algorithm(FA),particle swarm optimization(PSO),ant colony optimization(ACO),bacterial foraging optimization(BFO),artificial bee colony(ABC),cuckoo search(CS),shuffled frog leaping algorithm(SFLA)and other miscellaneous algorithms(OMA)are considered for study.The navigation over static and dynamic condition is analyzed(for single and multiple robot systems)and it has been observed that the reactive approaches are more robust and perform well in all terrain when compared to classical approaches.It is also observed that the reactive approaches are used to improve the performance of the classical approaches as a hybrid algorithm.Hence,reactive approaches are more popular and widely used for path planning of mobile robot.The paper concludes with tabular data and charts comparing the frequency of individual navigational strategies which can be used for specific application in robotics. | B.K. Patle Ganesh Babu L Anish Pandey D.R.K. Parhi A. Jagadeesh | 2019 | Defence Technology(防务技术)2019，15，4： | 60 |
| 2 | NCB-02 (standardized Curcumin preparation) protects dinitrochlorobenzene-induced colitis through down-regulation of NFκ-B and iNOS显示文摘AIM: To evaluate the efficacy and mechanism of action of NCB-02, a standardized Curcumin preparation, against 2, 4-dinitrochlorobenzene (DNCB)-induced ulcerative colitis in rats. METHODS: Ulcerative colitis was induced in male rats by sensitizing with topical application of DNCB in acetone for 14 d and intra-colonol challenge with DNCB on day 15. A separate group of animals with vehicle treatment in similar fashion served as control group. Colitis rats were divided into different groups and treated with NCB-02 at doses of 25, 50 and 100 mg/kg b.wt p.o. for 10 d. Sulfasalazine at a dose of 100 mg/kg b.wt for 10 d served as a reference group. On day 10 after respective assigned treatment, all the animals were euthanized and the length of the colon, weight of entire colon and distal 8 cm of the colon were recorded. The distal part of the colon was immediately observed under a stereomicroscope and the degree of damage was scored. Further distal 8 cm of the colon was subject to the determination of colonic myeloperoxidase (MPO), lipid peroxidation (LPO) and alkaline phosphatase (ALP) activities. A small piece of the sample from distal colon of each animal was fixed in 10% neutral buffered formalin and embedded in paraffin wax and sectioned for immunohistochemical examination of NFκ-B and iNOS expression. RESULTS: NCB-02 showed a dose dependent protection against DNCB-induced alteration in colon length and weight. NCB-02 treatment also showed a dose dependent protection against the elevated levels of MPO, LPO and ALP, induced by DNCB. NCB-02 demonstrated a significant effect at a dose of 100 mg/kg b.wt., which was almost equipotent to 100 mg/kg b.wt. of sulfasalazine. Treatment with sulfasalazine and curcuminat a dose of 100 mg/kg b.wt. inhibited the DNCB-induced overexpression of NFκ-B and iNOS in the colon. CONCLUSION: Curcumin treatment ameliorates colonic damage in DNCB-induced colitic rats, an effect associated with an improvement in intestinal oxidative stress and downregulation of colonic NFκ-B and iNOS expression. | MV Venkataranganna Md Rafiq S Gopumadhavan Ghouse Peer UV Babu SK Mitra | 2007 | World Journal of Gastroenterology2007，13，7： | 12 |
| 3 | Gastrointestinal complications of diabetes mellitus显示文摘Diabetes mellitus affects virtually every organ system in the body and the degree of organ involvement depends on the duration and severity of the disease,and other co-morbidities.Gastrointestinal(GI) involvement can present with esophageal dysmotility,gastro-esophageal reflux disease(GERD),gastroparesis,enteropathy,non alcoholic fatty liver disease(NAFLD) and glycogenic hepatopathy.Severity of GERD is inversely related to glycemic control and management is with prokinetics and proton pump inhibitors.Diabetic gastroparesis manifests as early satiety,bloating,vomiting,abdominal pain and erratic glycemic control.Gastric emptying scintigraphy is considered the gold standard test for diagnosis.Management includes dietary modifications,maintaining euglycemia,prokinetics,endoscopic and surgical treatments.Diabetic enteropathy is also common and management involves glycemic control and symptomatic measures.NAFLD is considered a hepatic manifestation of metabolic syndrome and treatment ismainly lifestyle measures,with diabetes and dyslipidemia management when coexistent.Glycogenic hepatopathy is a manifestation of poorly controlled type 1 diabetes and is managed by prompt insulin treatment.Though GI complications of diabetes are relatively common,awareness about its manifestations and treatment options are low among physicians.Optimal management of GI complications is important for appropriate metabolic control of diabetes and improvement in quality of life of the patient.This review is an update on the GI complications of diabetes,their pathophysiology,diagnostic evaluation and management. | Babu Krishnan Shithu Babu Jessica Walker Adrian B Walker Joseph M Pappachan | 2013 | World Journal of Diabetes2013，4，3： | 10 |
| 4 | Hybrid, Optimal, Intelligent and Classical PV MPPT Techniques: A Review显示文摘Renewable energy-based solar photovoltaic(PV)generation is the best alternative for conventional energy sources because of its natural abundance and environment friendly characteristics.Maximum power extraction from the PV system plays a critical role in increasing the efficiency of the solar power generation during partial shading conditions(PSCs).Therefore,a suitable maximum power point tracking(MPPT)technique to track the maximum power point(MPP)is of high need,even under PSCs.This paper presents an organized and concise review of MPPT techniques implemented for the PV systems in literature along with recent publications on various hardware design methodologies.Their classification is done into four categories,i.e.classical,intelligent,optimal,and hybrid depending on the tracking algorithm utilized to track MPP under PSCs.During uniform insolation,classical methods are highly preferred as there is only one peak in the P-V curve.However,under PSCs,the F-V curve exhibits multiple peaks,one global maximum power point(GMPP)and remaining are local maximum power points(LMPP’s).Under the PSCs,classical methods fail to operate at GMPP and hence there is a need for more advanced MPPT techniques.Every MPPT technique has its advantages and limits,but a streamlined MPPT is drafted in numerous parameters like sensors required,hardware implementation,cost viability,tracking speed and tracking efficiency.This study provides the advancement in this area since some parameter comparison is made at the end of every classification,which might be a prominent base-rule for picking the most gainful sort of MPPT for further research. | Ratnakar Babu Bollipo Suresh Mikkili Praveen Kumar Bonthagorla | 2021 | CSEE Journal of Power and Energy Systems2021，7，1： | 10 |
| 5 | Characteristics of MOF, MWCNT and graphene containing materials for hydrogen storage: A review显示文摘Hydrogen is a generally abundant, safe, clean and environmentally apt alternative fuel, which replenishes the void generated by depleting fossil fuel reserves. The adoption of hydrogen as an energy source has been restricted to low levels due to the complications associated with its viable storage and usage. Existing technologies, such as storage of hydrogen in compressed and liquefied forms are not adequate to meet the broad on-board applications. The gravimetric energy density(120 MJ/kg) of hydrogen is three times higher than that of gasoline products, so solid-state hydrogen storage is advantageous.Metal-organic frameworks(MOFs), multi-walled carbon nanotubes(MWCNTs) and graphene are solid adsorbents majorly employed for efficient H_2 storage. The prominent features of MOFs such as permanent porosity, structural rigidity, and surface area are attractive and ideal for hydrogen storage. In addition,nanostructured carbon materials(MWCNTs and graphene) and their composites have demonstrated significant hydrogen storage capacities. Some important parameters for the success of the hydrogen economy include high storage density, adsorption/desorption temperature and cycling time. Cryo-hydrogen storage was achieved in MOFs and their composites with carbon structures, but storage at ambient temperature and acceptable pressures is a major hurdle. This review discusses various strategies and mechanisms in the design of adsorbents explored to improve H_2 storage capacities and afford opportunities to develop new sustainable hydrogen technologies to meet energy targets. | Kranthi Kumar Gangu Suresh Maddila Saratchandra Babu Mukkamala Sreekantha B Jonnalagadda | 2019 | Journal of Energy Chemistry2019，28，3： | 10 |
| 6 | PCR analysis of Yq microdeletions in infertile males, a study from South India显示文摘Aim:To estimate the frequency of microdeletions in the long arm of Y-chromosome of 20 infertile males from South India.Methods:Polymerase chain reaction (PCR) amplification using Y-specific STS of azoospermia factor (AZF) regions i.e.,SY 84 for AZFa,SY 127 for AZFb and SY 254 for AZFc.Results:Of the 20 infertile subjects 3(15%),one azoospermic and two oligozoospermic,showed microdeletions in the AZF region of Y-chromosome.Conclusion:The frequency of deletions involving AZF region of the Y-chromosome is 15% in azoospermic and severely oligozoospermic infertile men.PCR amplification of AZF locus is useful for the diagnosis of microdeletions in the Y-chromosome. | S. Ramesh Babu M. Swarna P. Padmavathi P.P. Reddy | 2002 | Asian Journal of Andrology2002，4，4： | 9 |
| 7 | Electrodeposition of aluminium and aluminium-copper alloys from a room temperature ionic liquid electrolyte containing aluminium chloride and triethylamine hydrochloride显示文摘The electrodeposition of Al and Al-Cu binary alloys on to gold substrates from a room temperature ionic liquid electrolyte containing AlCl3-Et3NHCl was studied.The electrochemical behavior of the electrolyte and the mechanism of deposition were investigated through cyclic voltammetry(CV),and the properties of deposits obtained were assessed by scanning electron microscopy with energy dispersive X-ray spectroscopy(SEM-EDS) and X-ray difraction(XRD).Al of 70 μm in thickness and an Al-Cu alloy of 30 μm in thickness with 8at% copper were deposited from the electrolyte.SEM images of the deposits indicate that the Al deposit was smooth and uniform,whereas the Al-Cu deposit was nodular.The average crystalline size,as determined by XRD patterns,was found to be(30 ± 5) and(29 ± 5) nm,respectively,for Al and Al-Cu alloys.Potentiodynamic polarization(Tafel plots) and electrochemical impedance spectroscopic(EIS) measurements showed that Al-Cu alloys are more corrosion resistant than Al. | P.V. Suneesh T.G. Satheesh Babu T. Ramachandran | 2013 | International Journal of Minerals,Metallurgy and Materials2013，20，9： | 9 |
| 8 | Autochthonous halotolerant plant growth-promoting rhizobacteria promote bacoside A yield of Bacopa monnieri(L.)Nash and phytoextraction of salt-affected soil显示文摘Phytoremediation is a promising approach for reclamation of salt-affected soil.Phytoextraction is the most commonly used process,which exploits plants to absorb,immobilize,and accumulate salt in their shoots.In this study,halotolerant plant growth-promoting rhizobacteria(PGPR)were isolated from the rhizosphere of wild grasses growing naturally in salt-affected areas of Lucknow,Uttar Pradesh(India)and were tested for their efficacies of salt-tolerance and plant growth-promoting(PGP)abilities.Based on 16S rRNA sequences,the most efficient halotolerant isolates possessing PGP traits were identified as Pseudomonas plecoglossicida(KM 233646),Acinetobacter calcoaceticus(KM 233647),Bacillus flexus(KM 233648),and Bacillus safensis(KM 233652).Application of these isolates as bio-inoculants significantly(P<0.05)increased the growth and bacoside A yield of a medicinal plant,Bacopa monnieri(L.)Nash,grown on natural salt-affected soil.The phytoremediation of salt-affected soil was evident by the substantial increase in shoot Na^+:K^+ratio of bio-inoculant-treated plants.When compared to un-inoculated control plants,the soil physico-chemical properties of bio-inoculant-treated plants were improved.The shoot and root biomass(fresh and dry weights),soil enzymes,and soil nutrient parameters showed significant positive correlations with the shoot Na+:K+ratio.Consequently,the halotolerant PGPR screened in this study could be useful for the reclamation of saline soils concomitant with improved plant growth and bacoside A yield. | Umesh PANKAJ Durgesh Narain SINGH Pooja MISHRA Pooja GAUR C.S.Vivek BABU Karuna SHANKER Rajesh Kumar VERMA | 2020 | Pedosphere2020，30，5： | 9 |
| 9 | Microstructure and Mechanical Properties of Friction Stir Lap Welded Aluminum Alloy AA2014显示文摘Friction stir lap welds were produced in 3 mm thick Alclad sheets of Al alloy 2014-T4 using two different tools (with triangular and threaded taper cylindrical pins). The effects of tool geometry on weld microstructure, lap-shear performance and failure mode were investigated. The pin profile was found to significantly influence the hook geometry, which in turn strongly influenced the joint strength and the failure mode. Welds produced in alloy 2014-T4 Alclad sheets by using triangular and threaded taper cylindrical tools exhibited an average lap-shear failure load of 16.5 and 19.5 kN, respectively, while the average failure load for standard riveted joints was only 3.4 kN. Welds produced in alloy 2014-T6 Alclad sheets and in alloy 2014-T4 bare sheets (i.e., no Alclad) were comparatively evaluated with those produced in alloy 2014-T4 Alclad sheets. While the welds made (with threaded taper cylindrical tool) in T6 and T4 conditions showed very similar lap-shear failure loads, the joint efficiency of the welds made in T6 condition (43%) was considerably lower (because of the higher base material strength) than those made in T4 condition (51%). The Alclad layers were found to present no special problems in friction stir lap welding. Welds made with triangular tool in alloy 2014-T4 Alclad and bare sheets showed very similar lap-shear failure loads. The present work provides some useful insights into the use of friction stir welding for joining Al alloys in lap configuration. | S. Babu G.D. Janaki Ram P.V. Venkitakrishnan G. Madhusudhan Reddy K. Prasad Rao | 2012 | Journal of Materials Science & Technology2012，28，5： | 8 |
| 10 | Application of Response Surface Methodolody to Prediction of Dilution in Plasma Transferred Arc Hardfacing of Stainless Steel on Carbon Steel显示文摘The application of response surface methodology was highlighted to predict and optimize the percentage of dilution of iron-based hardfaced surface produced by the PTA (plasma transferred arc welding) process.The experi- ments were conducted based on five-factor five-level central composite rotatable design with full replication technique and a mathematical model was developed using response surface methodology.Furthermore,the response surface methodology was also used to optimize the process parameters that yielded the lowest percentage of dilution. | V Balasubramanian A K Lakshminarayanan R Varahamoorthy S Babu | 2009 | Journal of Iron and Steel Research(International)2009，16，1： | 8 |
| 11 | 中国汉族人黑色素瘤家系临床特点分析显示文摘目的:探讨中国汉族人群恶性黑色素瘤家系发病情况及临床特点。方法:收集4个遗传性黑色素瘤家系进行家系调研和家系图谱绘制,并分析总结临床特点。结果:4个遗传性黑色素瘤家系共33人,确诊黑色素瘤患者10例,死亡2例。确诊患者平均年龄36岁。结论:中国汉族人群黑色素瘤家系具有发病年龄较轻,其中发病年纪越小其恶性程度越高、预后越差,而且黑色素瘤的高侵袭性同样具有明显家族遗传特点。 | 徐毅 周建大 罗成群 贺全勇 聂新民 赵颜忠 PASHUPATI Babu Pokharel 王少华 徐丹 | 2007 | 激光生物学报2007，16，6： | 8 |
| 12 | The amino acid transporter SLC6A14 in cancer and its potential use in chemotherapy显示文摘Tumor cells have an increased demand for glucose and amino acids to support their rapid growth,and also exhibit alterations in biochemical pathways that metabolize these nutrients.Transport across the plasma membrane is essential to feed glucose and amino acids into these tumor cell-selective metabolic pathways.Transfer of amino acids across biological membranes occurs via a multitude of transporters;tumor cells must upregulate one or more of these transporters to satisfy their increased demand for amino acids.Among the amino acid transporters,SLC6A14 stands out with specific functional features uniquely suited for the biological needs of the tumor cells.This transporter is indeed upregulated in tumors of epithelial origin,including colon cancer,cervical cancer,breast cancer,and pancreatic cancer.Since normal cells express this transporter only at low levels,blockade of this transporter should lead to amino acid starvation selectively in tumor cells,thus having little effect on normal cells.This offers a novel,yet logical,strategy for the treatment of cancers that are associated with upregulation of SLC6A14.In addition,a variety of amino acid-based prodrugs are recognized as substrates by SLC6A14,thus raising the possibility that anticancer drugs can be delivered into tumor cells selectively via this transporter in the form of amino acid prodrugs.This strategy allows exposure of SLC6A14-positive tumor cells to chemotherapy with minimal off-target effects.In conclusion,the amino acid transporter SLC6A14 holds great potential not only as a direct drug target for cancer therapy but also for tumor cell-selective delivery of anticancer drugs. | Yangzom D.Bhutia Ellappan Babu Puttur D.Prasad Vadivel Ganapathy | 2014 | Asian Journal of Pharmaceutical Sciences2014，9，6： | 8 |
| 13 | Simultaneous determination of telmisartan and amlodipine in human plasma by LC-MS/MS and its application in a human pharmacokinetic study显示文摘A rapid and sensitive liquid chromatography-tandem mass spectrometric(LC-MS/MS) assay method has been developed and fully validated for the simultaneous quantification of telmisartan and amlodipine in human plasma.Carbamazepine was used as an internal standard.Analytes and the internal standard were extracted from human plasma by solid-phase extraction technique using Waters Oasis HLB 1 cm 3(30 mg) extraction cartridge.The reconstituted samples were chromatographed on a Hypurity advance C 18 column(50 mm×4.6 mm,5 μm) using a mixture of acetonitrile-5 mM ammonium acetate buffer(pH-4.0)(50:50,v/v) as the mobile phase at a flow rate of 0.8 mL/min.The calibration curve obtained was linear(r≥0.99) over the concentration range of 2.01-400.06 ng/mL for telmisartan and 0.05-10.01 ng/mL for amlodipine.Method validation was performed as per FDA guidelines and the results met the acceptance criteria.A run time of 2.5 min for each sample made it possible to analyze more than 400 human plasma samples per day.The proposed method was found to be applicable to clinical studies. | Vasu Babu Ravi Jaswanth Kumar Inamadugu Nageswara Rao Pilli Vudagandla Sreenivasulu Venkateswarlu Ponneri | 2012 | Journal of Pharmaceutical Analysis2012，2，5： | 8 |
| 14 | Effect of molasses binder on the physical and mechanical properties显示文摘Molasses was used as an alternative binder to the bentonite binder. The change in moisture absorption by pellets prepared with different iron ores and different molasses contents were investigated. Iron ore properties exerted the major effect on pellet behavior and final pellet quality. The absorbed moisture content of pellets prepared without binder, bentonite-added pellets, and molasses-added pellets were in the range of 7.72%–9.95%, 9.62%–10.84%, and 6.14%-6.69%, respectively. The wet pellet compressive strength of molasses-added pellets(43–230 N/pellet) was superior to that of bentonite-added pellets(9.47–11.92 N/pellet). The compressive strength of dried molasses-modified pellets increased to 222–394 N/pellet, which is currently the highest value achieved for dried pellets. | Anand Babu Kotta Anshuman Patra Mithilesh Kumar Swapan Kumar Karak | 2019 | International Journal of Minerals,Metallurgy and Materials2019，26，1： | 7 |
| 15 | 不同激光表面纹理对轴承材料AISI52100摩擦性能的影响显示文摘铬钢因具有高强度和耐磨性而用于轴承。然而,在实际使用中,因滑动摩擦导致的故障而使寿命缩短。为了提高AISI52100铬钢材料的耐久性,本文分析了激光表面纹理(LST)化的效果。利用圆盘摩擦,对不同形状,如椭圆和圆,与未纹理化处理试样的磨损行为进行了对比研究。用于磨损分析的润滑剂是SKFNLGI-3半固体锂基润滑脂。在10、30和50 N的不同载荷下,用750 r/min和1400 r/min 2种滑动速度进行滑动磨损分析。用扫描电子显微镜(SEM)对磨损形貌进行了分析。样品的粗糙度用白光干涉仪测量。与未纹理化处理试样相比,观察到不同形状如圆和椭圆对铬合金摩擦磨损性能的影响。由于磨损碎片和润滑剂被捕获,激光表面纹理显示椭圆的摩擦和磨损与圆形图案相比,明显减少。 | PAUL JOSHUA S DINESH BABU P | 2020 | Journal of Central South University2020，27，8： | 6 |
| 16 | 罗氏沼虾几丁质酶3B基因的克隆及其在蜕皮周期中的表达显示文摘罗氏沼虾的生长发育及繁殖都与蜕皮紧密相关。几丁质酶是甲壳动物在蜕皮过程中最重要的酶之一。本研究对罗氏沼虾蜕皮周期外观特征和腹肢刚毛进行了观察描述,克隆并分析了罗氏沼虾的几丁质酶Ⅲ基因(MrChi3B),制备了几丁质酶Ⅲ蛋白的多克隆抗体,研究了其在蜕皮周期中的表达。罗氏沼虾几丁质酶基因cDNA的开放阅读框为1 143 bp,编码380个氨基酸,大小为41.91 ku。通过氨基酸序列比对发现,MrChi3B与日本沼虾几丁质酶基因(Chi3B)的同源性最高,为94%。MrChi3B含有一个糖苷键水解酶家族18的催化域。实时定量PCR (qRT-PCR)和蛋白印迹法(WB)检测结果显示,MrChi3B在罗氏沼虾多个组织中均有表达,但是不同组织中的表达有差异。在蜕皮期之后,其在胃、表皮和肌肉中的表达量显著上升。在胃中其表达量在蜕皮间期达到最高;在表皮和肌肉中其表达量在蜕皮后期达到最高;肠中的表达量在蜕皮前期和蜕皮期有所上升;眼柄期的表达量在所有蜕皮期都偏低。本研究结果为进一步研究几丁质酶的功能提供参考依据。 | 叶成凯 卢志杰 Sarath Babu V 张晓君 刘晓丹 赵丽娟 潘淦 林蠡 | 2019 | 水产学报2019，43，4： | 6 |
| 17 | Comparative investigation of coal-and oil-fired boilers based on emission factors,ozone and secondary organic aerosol formation potentials of VOCs显示文摘Volatile organic compounds(VOCs)are the important precursors of the tropospheric ozone(O3)and secondary organic aerosols(SOA),both of which are known to harm human health and disrupt the earth’s climate system.In this study,VOC emission factors,O3 and SOA formation potentials were estimated for two types of industrial boilers:coal-fired boilers(n=3)and oil-fired boilers(n=3).Results showed that EVOCs concentrations were more than nine times higher for oil-fire d boilers compared to those for coal-fired boilers.Emission factors ofΣVOCs were found to be higher for oil-fired boilers(9.26-32.83 mg-VOC/kg)than for coal-fired boilers(1.57-4.13 mg-VOC/kg).Alkanes and aromatics were obtained as the most abundant groups in coal-fired boilers,while oxygenated organics and aromatics were the most contributing groups in oil-fired boilers.Benzene,n-hexane and o-ethyl toluene were the abundant VOC species in coal-fired boiler emissions,whereas toluene was the most abundant VOC species emitted from oil-fired boilers.O3 and SOA formation potentials were found 12 and 18 times,respectively,higher for oil-fired than for coal-fired boilers.Total OFP ranged from 3.99 to 11.39 mg-O3/kg for coal-fired boilers.For oil-fired boilers,total OFP ranged from 36.16 to 131.93 mg-O3/kg.Moreover,total secondary organic aerosol potential(SOAP)ranged from 65.4 to 122.5 mg-SOA/kg and 779.9 to 2252.5 mg-SOA/kg for the coal-fired and oil-fired boilers,respectively. | Hsi-Hsien Yang Sunil Kumar Gupta Narayan Babu Dhital Lin-Chi Wang Suresh Pandian Elumalai | 2020 | Journal of Environmental Sciences2020，32，6： | 6 |
| 18 | Sarcastic sentiment detection in tweets streamed in real time: a big data approach显示文摘 | S.K. Bharti B. Vachha R.K. Pradhan K.S. Babu S.K. Jena | 2016 | Digital Communications and Networks2016，2，3： | 6 |
| 19 | ISSR markers based on GA and AG repeats reveal genetic relationship among rice varieties tolerant to drought,flood,or salinity显示文摘Drought, flood, salinity, or a combination of these limits rice production. Several rice varieties are well known for their tolerance to specific abiotic stresses. We determined genetic relationship among 12 rice varieties including 9 tolerant to drought, flood, or salinity using inter-simple sequence repeat (ISSR) markers. Based on all markers, the nine tolerant varieties formed one cluster distinct from the cluster of three control varieties. The salt-tolerant varieties were closest to two flood-tolerant varieties, and together they were distinct from the drought-tolerant varieties. (GA)8YG was the most informative primer, showing the highest polymorphic information content (PIC) and resolving power (Rp). The drought-, flood-, and salt-tolerant varieties grouped in three distinct clusters within the group of tolerant varieties, when (GA)8YG was used. Sabita was the only exception. The two aus varieties, Nagina22 and FR13A, were separated and grouped with the drought- and flood-tolerant varieties, respec- tively, but they were together in dendrograms based on other primers. The results show that ISSR markers associated with (GA)8YG delineated the three groups of stress-tolerant varieties from each other and can be used to identify genes/new alleles associated with the three abiotic stresses in rice germplasm. | Ch Surendhar REDDY A. Prasad BABU B.P. Mallikarjuna SWAMY K. KALADHAR N. SARLA | 2009 | Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2009，10，2： | 6 |
| 20 | Community Responses to Mountain Tourism:A Case in Bhyundar Valley,Indian Himalaya显示文摘Tourism industry has become an important part of Indian economy,and tourism development has been,however,concentrated to a few areas. Accumulation of tourism activities has reached the critical stage in most of the tourism centers,which pose serious threats to the natural environment. The Bhyundar Valley of Nanda Devi Biosphere Reserve (NDBR) in Uttarakhand State of the Indian Himalaya is a burning example of such problems. Land use/cover changes,deforestation and accumulation of garbage are some of the negative impacts of unregulated tourism in the valley. Unsustainable activities of tourists and villagers in the valley make such problems very severe. To deal with the ongoing problems and ensure community involvement in tourism management and environmental conservation,the Biosphere Reserve Authority introduced ecotourism in the form of Eco Development Committees (EDCs) in the Bhyundar Valley. Study reveals that many problems associated with tourism have been minimized to some extent with the help of EDCs but few are still prevailing in valley. However,the existing attempts to conserve the valley from the negative effects of tourism are inadequate and modifications are needed in the current initiatives. | Ram Babu Singh Suraj Mal Chandra Prakash Kala | 2009 | Journal of Mountain Science2009，6，4： | 6 |
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