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Morphological phylogeny among 15 accessions of bamboos growing in Kokrajhar district of the Bodoland Territorial Area Districts,Assam

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Journal of Forestry Research 2018年第5期29卷 1379-1386页

作者： Anusriti Basumatary Sushil kumar Middha Talambedu Usha Samik Bhattacharya birendra kumar Brahma Arvind kumar Goyal Centre for Bamboo Studies and Department of Biotechnology Bodoland University DBT-BIF Centre Department of BiotechnologyPG Research CentreMaharani Lakshmi Ammanni College for Women Department of Biochemistry Maharani Lakshmi Ammanni College for Women Department of Molecular Ecology Max Planck Institute of Chemical Ecology

Bamboo is nature＇s wonderful gift historically associated with the rural population of the Bodoland Territorial Area ***,indiscriminate use of the resource and the ambiguity in the identification of bamboos in the absence of flowering characters pose a potential risk to the bamboo ***,we considered revising the taxonomic positions and phylogenetic relationships among 15 tropical bamboo species using 35 key morphological descriptors（MD） to assess the reliability of vegetative characters in identifying *** phylogenetic tree constructed from the similarity matrix,derived from an unweighted pair group method of analysis（UPGMA） of the 35 MDs,marginally deviated from the conventional taxonomic positions of the bamboo *** the two varieties,one forma of Bambusa vulgaris（***,***,***） and two species of the genus Dendrocalamus（*** and ***）clustered together in a single clade,and *** was distantly placed from their *** discrepancy with the conventional classification might have ensued since only vegetative characters such as culm anatomy,culm sheath,leaf,and leaf sheath were considered in the present *** the phylogenetic relationship among the 15 tropical bamboos（computed from exhaustive MDs）grossly corroborate the conventional taxonomic grouping,a molecular-marker-based multidisciplinary approach should resolve the remaining conflicts in bamboo identification.

关键词： Bamboo Bodoland Culm Culm-sheath Leaf-sheath Phylogenetic relationship conflict

Ore petrography of low-grade siliceous manganese ores from the Bonai-Keonjhar belt, Orissa, India: The influence of mineral-fabric on their beneficiation

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Mining Science and Technology 2011年第6期21卷 803-808页

作者： Mishra Subrat Mohapatra birendra kumar Dash Nilima Rao Danda Srinivas Institute of Minerals and Materials Technology Orissa Mining CorporationBhubaneswar751013India

Low grade siliceous manganese ores from the iron ore group of the Bonai-Keonjhar belt, Orissa, India are found mostly in shear zones. The ore characteristics of siliceous manganese ore samples from three differ- ent mines, viz. the Shankar (Barbil OMC lease hold area), the Sone-Patuli (Patmunda, OMM lease hold area), and the Musaghar (Roida, OMDC lease hold area), were studied. These siliceous manganese ores are of three types, respectively: (i) spongy-granular; (ii) massive-mosaic; and (iii) hard-mylonitized. The spongy-gran- ular type contains granular, saccharoidal quartz and the major manganese mineral present is pyrolusite. The second type contains well crystallized quartz and cryptomelane, while the third has cherty, fine grained quartz (mylonite) along with romanechite. All three ores were subjected to physical beneficiation under similar conditions. Both gravity and magnetic separation techniques were employed. The mineral-fabric of the ores has been correlated to the extent of their beneficiation using these physical techniques. Of these three ores only the spongy-granular type responded well to upgrading. The feed with 22% Mn content could be upgraded to 44% with a 28% yield and a 49% recovery. The good response to beneficiation of the spongy- granular sample could be due to the large euhedral crystals of pyrolusite and the friable nature of the sac- charoidal quartz. This study reveals the influence of mineral-fabric on beneficiation of low grade ore, siliceous Mn ore in particular.

关键词： Siliceous manganese ore Iron ore group of rocks Physical beneficiation Manganese ore

Does testosterone prevent early postoperative complications after gastrointestinal surgery?

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World Journal of Gastroenterology 2009年第44期15卷 5604-5609页

作者： birendra kumar Sah Department of General Surgery&Shanghai Institute of Digestive Surgery Rui Jin HospitalShanghai Jiao Tong UniversitySchool of Medicine

AIM:To investigate the role of sex hormones in the early postoperative complications of gastrointestinal diseases. METHODS:A total of 65 patients who underwent operations for gastric and colorectal diseases(mainly malignant diseases)were included in the study. Peripheral venous blood samples were collected at different times for analysis of estradiol,testosterone and *** only study endpoint was analysis of postoperative complications. RESULTS:Patients of both sexes were uniform but postoperative complication rate was significantly higher in female patients(P=0.027).There was no significant association of estradiol and progesterone with postoperative *** levels in complicated patients were significantly lower than in uncomplicated patients(P<0.05).Area under the receiver operating characteristic curve showed that a lower value of testosterone was a predictor for higher complication rate(P<0.05),and a lower value oftestosterone at later times after surgery was a better predictor of complications. CONCLUSION:Patients with low testosterone level were prone to higher postoperative complications,which was evident in both ***,further studies are necessary to support this result.

关键词： Stomach neoplasms Testosterone Sex differences Postoperative complications

Reoperation for early postoperative complications after gastric cancer surgery in a Chinese hospital

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World Journal of Gastroenterology 2010年第1期16卷 98-103页

作者： birendra kumar Sah Department of General Surgery Ruijin HospitalShanghai Jiaotong UniversitySchool of MedicineShanghai Institute of Digestive Surgery

AIM:To investigate the occurrence of postoperative complications of gastric cancer surgery,and analyze the potential causes of reoperation for early postoperative complications. METHODS:A total of 1639 patients who underwent radical or palliative gastrectomies for gastric cancer were included in the *** study endpoint was the analysis of postoperative complications in inpatients. RESULTS:About 31%of patients had early postoperative complications,and complications of infection occurred most ***-abdominal hemorrhage and anastomotic leak were the main causes of reoperation,which accounted for about 2.2%.Mortality was 11.1%in the reoperation group,but was only 0.8%in other *** duration of postoperative stay in hospital was significantly longer and the total expenditure was markedly higher in the patients who underwent reoperation(P<0.001).There was no significant association of any available factors in this study with the high rate of ***:Reoperation significantly increases the mortality rate and raises the burden of the surgical *** prospective studies are required to explore the potential risk factors.

关键词： Reoperation Gastric cancer Surgery Postoperative complications

Multiobjective optimization of friction welding of UNS S32205 duplex stainless steel

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Defence Technology（防务技术） 2015年第2期11卷 157-165页

作者： P.M.AJITH birendra kumar BARIK P.SATHIYA S.ARAVINDAN Department of Production Engineering National Institute of Technology Department of Mechanical Engineering Indian Institute of Technology Delhi

The present study is to optimize the process parameters for friction welding of duplex stainless steel(DSS UNS S32205).Experiments were conducted according to central composite *** variables,as inputs of the neural network,included friction pressure,upsetting pressure,speed and burn-off *** strength and microhardness were selected as the outputs of the neural *** weld metals had higher hardness and tensile strength than the base material due to grain refinement which caused failures away from the joint interface during tensile *** to shorter heating time,no secondary phase intermetallic precipitation was observed in the weld joint.A multi-layer perceptron neural network was established for modeling *** various training algorithms,belonging to three classes,namely gradient descent,genetic algorithm and LevenbergeM arquardt,were used to train artificial neural *** optimization was carried out by using particle swarm optimization *** test was carried out by setting the optimized *** conformation test,maximum tensile strength and maximum hardness obtained are 822 MPa and 322 Hv,*** metallurgical investigations revealed that base metal,partially deformed zone and weld zone maintain austenite/ferrite proportion of 50:50.

关键词：多目标优化不锈钢焊接摩擦压力双相人工神经网络 UNS 拉伸强度优化工艺参数

Green Synthesis and Characterization of Gold Nanoparticles Using Onion (<i>Allium cepa</i>) Extract

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World Journal of Nano Science and Engineering 2011年第4期1卷 93-98页

作者： Umesh kumar Parida birendra kumar Bindhani Padmalochan Nayak P. L. Nayak Research Foundation KIIT School of Biotechnology KIIT University

In the present research program, cost effective and environment friendly gold nanoparticless were synthesized using the onion (Allium cepa) extract as the reducing agent. The nanoparticless were characterized using UV-visble, XRD, and SEM, TEM methods. The absorption peak at 540 nm was found to be broaden with increase in time indicating the polydispersity nature of the nanoparticles. The XRD results suggested that the crystallization of the bio-organic phase occurs on the surface of the gold nanoparticles or vice versa. The broadening of peaks in the XRD patterns was attributed to particle size effects. The internalization of nanoparticles within cells could occur via processes including phagocytosis, fluid-phase endocytosis and receptor mediated endocytosis.

关键词： Biosynthesis Gold Nanoparticles Allium cepa Green-Gold

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World Journal of AIDS 2013年第4期3卷 305-312页

作者： Sushma Dahal Paras kumar Pokharel birendra kumar Yadav Department of Public Health Central Institute of Science and Technology Baneshwor Kathmandu Nepal School of Public Health & Community Medicine BP Koirala Institute of Health Sciences Dharan Nepal School of Public Health & Community Medicine BP Koirala Institute of Health Sciences Dharan Nepal.

Labor migrants are those of the at-risk groups for HIV. This cross-sectional study has tried to examine HIV/AIDS-related stigma among Nepalese returnee male labor migrants. Migrant workers who have worked at least six months abroad were asked different questions related to sexual behavior, knowledge on HIV/AIDS & condom and HIV/AIDS-related stigma. Stigma was measured on a three-point rating scale as high, average and low stigma. About 58% of migrants had the view “I would rather not know if I have HIV” followed by “I don’t want to be friends with people living with HIV” (53.6% migrants) and “people with HIV are cursed” (35.5% migrants). High stigma was present among 15.5% of the total respondents with high proportion among those with higher age, lower education, rural residence, and no knowledge on Voluntary Counseling and Testing (VCT) service. About a quarter of respondents were of the view that migrants infected with HIV while abroad should not be allowed to return Nepal. Some level of stigma on HIV/AIDS exists among male labor migrants in Nepal. Interventions aiming at reducing stigma should consider the factors like migrants’ age, education, place of residence and knowledge on VCT services.

关键词： HIV/AIDS Related Stigma among Male Labor Migrants in Nepal

Influence of Microstructure on Beneficiation of Low-Grade Siliceous Manganese Ore from Orissa, India

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Journal of Minerals and Materials Characterization and Engineering 2013年第3期1卷 80-84页

作者： Patitapaban Mishra birendra kumar Mohapatra Pradeep kumar Mallick Khageswar Mahanta Institute of Minerals and Materials Technology Bhubaneswar India OMDC Ltd. Thakurani Orissa India Ravenshaw University Cuttack India

Two low-grade siliceous manganese ores such 1) siliceous crystalline and 2) siliceous cherty types from north Orissa, Indiawas mineralogically characterized and investigated for their possible upgradation. Both the Mn-ore types were subjected to different physical beneficiation techniques under identical conditions and results reported. The results revealed that in the case of low-grade siliceous crystalline type Mn-ore a feed having 26% Mn could be upgraded to more than 45% Mn by dry magnetic separation with 69% recovery at 1.00 tesla magnetic intensity. But the cherty type Mn-ore could not respond well to any of the beneficiation techniques, particularly dry magnetic separation, because of poor liberation even at a size fraction below 100 mesh, though the other type gives best result at this size fraction.

关键词： Siliceous Manganese Ore Microstructure Beneficiation

Rupture of the triceps tendon - A case series

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Chinese Journal of Traumatology 2016年第4期19卷 235-238页

作者： Atin Jaiswal Naiman Deep Kacchap Yashwant Singh Tanwar Devendra kumar birendra kumar Department of Orthopaedics Maya Hospital India Department of Orthopaedics Bokaro General Hospital Bokaro India Department of Orthopaedics PGIMER & Dr R.M.L Hospital New Delhi India

Triceps rupture is the least common among all tendon injuries. The usual mechanism of injury is a fall on an outstretched hand, although direct contact injuries have also been reported to cause this injury. The diagnosis of acute triceps tendon rupture may be missed, which can result in prolonged disability and delayed operative management. We presented three cases of acute triceps tendon rupture each at different site showing the spectrum of injury to the muscle and mechanism of injury and management were also discussed.

关键词： Triceps Tendon Rupture