Wavelet analysis of the seismograms for tsunami warning

The complexity in the tsunami phenomenon makes the available warning systems not much effective in the practical situations. The problem arises due to the time lapsed in the data transfer, processing and modeling. The modeling and simulation needs the input fault geometry and mechanism of the earthquake. The estimation of these parameters and other aprior information increases the utilized time for making any warning. Here, the wavelet analysis is used to identify the tsunamigenesis of an earthquake. The frequency content of the seismogram in time scale domain is examined using wavelet transform. The energy content in high frequencies is calculated and gives a threshold for tsunami warnings. Only first few minutes of the seismograms of the earthquake events are used for quick estimation. The results for the earthquake events of Andaman Sumatra region and other historic events are promising

Sarcomatoid carcinoma of the colon: a rare diagnosis

Report of a rare colon tumor treated successfully using conventional chemotherapy regimen.

UL-blockDAG : Unsupervised Learning based Consensus Protocol for Blockchain

In this paper, we propose a consensus protocol by considering the ledger as Directed Acyclic Graph (DAG) called blockDAG instead of chain of blocks. We propose a two-step strategy for making the system robust to double-spend attacks. The first step is the graph clustering algorithm based on spectral graph theory for separating the blocks created by the non-cooperating miners (attacker) in the blockchain network followed by the second step-the ordering algorithm based on the topological ordering of the blockDAG using the references included in block header. The first step is an unsupervised learning classification of the vertices of a graph into two classes. The simulation results show that the proposed clustering Algorithm based consensus protocol counter-attack the attacker’s double-spending strategy by eliminating the attacker blocks created during attacking phase from the confirmed list of the blocks. In bitcoin’s longest chain rule protocol, the ledger takes the chain of blocks and it operates with the overestimation of the network’s end-to-end propagation delay which results in a low transaction throughput. Bitcoin protocol guarantees the security through longest chain rule but it suffers from the limited transaction scalability. The proposed consensus protocol works better for higher block creation rates in turn improves the transaction throughput without compromising the security of the blocks from double-spending attack. © 2020 IEE

Hemophagocytic lymphohistiocytosis secondary to infections:a tertiary care experience

Background: Hemophagocytic lymphohistiocytosis is an uncommon complication of various conditions. It is characterized by immune dysregulation and massive cytokine release causing multiorgan dysfunction. It is classified as primary and secondary to various etiologies like infections, malignancies and autoimmune disease. As it has high mortality, clinician awareness is important for early diagnosis and improved outcome. Aim of the study was to study the etiologies, clinical manifestations, complications and laboratory features in patients diagnosed with infection associated hemophagocytic syndrome (IAHS).Methods: We have done retrospective analysis of all cases diagnosed to have Infection Associated Hemophagocytic Syndrome (IAHS) between March 2012 to November 2015 in a 1000 bedded tertiary care hospital in south India.Results: Total five cases detected. Most of the cases are related to tropical infections (80%). All of them presented with fever, cytopenias and organomegaly. Ferritin and Triglycerides were elevated in all patients. Bone marrow hemophagocytosis was observed in 80% of cases. Diagnostic protocol of HLH 2004 was followed. Only 20% survival observed.Conclusions: IAHS is a rare fulminant complication associated with diagnostic and therapeutic challenges because of overlapping clinical features with sepsis. Increased physician awareness, early diagnosis and therapeutic interventions may improve survival

Kinetic studies of penicillin production during batch and repeated batch in fluidized bed bioreactor with agar immobilized <i style="">P. chrysogenum</i> cells

394-399The fermentation kinetics of penicillin production by Penicillium chrysogenum was carried out at 27°C and pH 6.0. Batch and repeated batch fermentations using agar-immobilized cells in fluidized bed bioreactor were studied for their potential application in production of penicillin from lactose, a fermentable sugar. Kinetics of immobilized cell fermentation, showed the penicillin yield of ~0.0155 g/l, with highest penicillin concentration of ~57.09 mg/l and the high reactor productivity of ~23.8 mg/l h-1. Repeated batch fermentation experiments showed that the immobilized biocatalysts could be recycled effectively for 5 cycles. Penicillin yield was 4-5-fold greater by this method of immobilization, with high productivity as compared to free cells and other immobilization methods

Would Makran tsunami skip Mumbai, India? No it would reach 8 minutes later than Ratnagiri

620-623Tsunami from Makran subduction zone in the northern Arabian sea are seen to arrive at Ratnagiri (16°56´24.00˝N, 72°40´12.00˝E) along the west coast of India 8 minutes earlier than Mumbai (18°59´24.00˝N,71°52´12.00˝E) in spite Ratnagiri being 244 km down south of Mumbai. This can give rise to a false signal and could be interpreted as tsunami skipped Mumbai and is traveling towards south. However, this advance information at Ratnagiri could be used for quick evacuation of densely populated coastal areas of Mumbai. Reasons for later arrival of tsunami at Mumbai is mainly due to a wide shelf of greater than 250 km whilst at Ratnagiri the shelf suddenly becomes half that of Mumbai. The importance of shelf width along the west coast of India which plays a great role in the arrival of the tsunami waves and the wave heights at different locations are conferred in the present study

Floristic composition of government degree and PG College Campus, Wanaparthy, Mahabubnagar District, Telangana

The floristic components of Government Degree and PG College campus, Wanaparthy yield 355 plant taxa including 15 endemics at various levels. The results also showed that, good number of medicinal plants, wild relatives, fodder plants and wild edible plants. The results indicated that the college campus is very rich in plant diversity which is very useful to the student community for their study. International Journal of Environment Vol. 5 (1) 2016,  pp: 45-66</p