نتایج جستجو برای: blast effect

تعداد نتایج: 1661472  

Journal: :journal of mining and environment 2014
sujit kumar mandal n.k bhagat m.m singh

transmission of blast waves is a complex phenomenon and the characteristics vary with blast design parameters and geo-technical properties of medium. frequency of vibration and triggering component for structural excitation generally quantifies safe vibration magnitude. at closer distance or higher elevations than the blast locations, vertical or transverse component will be the first arrival t...

Hossein Entezari Zarch Kazem Barkhordari,

During wars and crises, the underground tunnels are used as a safe space. Therefore, the stability and safety of them under a blast is of particular importance. In this paper, the Finite Difference Method has been used to study the influence of the change in geotechnical parameters and depth on surface blasting on subway tunnels. Results showed that increasing the internal friction angle, modul...

2010
Michael W. Courtney

The prevalence of blast induced traumatic brain injury in conflicts in Iraq and Afghanistan has motivated laboratory scale experiments on biomedical effects of blast waves and studies of blast wave transmission properties of various materials in hopes of improving armor design to mitigate these injuries. This paper describes the design and performance of a table-top shock tube that is more conv...

2006
Yao-wen Huang Briana Hayes BRIANA HAYES Ynes Ortega Robert Shewfelt Maureen Grasso Wayne Hayes Devin Raines

ABSTRACT The effects of non-thermal and low temperature treatments on parasite elimination and chemical and sensory quality of raw oysters were evaluated using: low temperature pasteurization, cold pasteurization, individual quick freezing, ultra-low freezing, and blast freezing. C. parvum was inactivated by all experiments. The results on the effect of treatments on C. cayetanensis were inconc...

Journal: :Methods in molecular biology 2012
Andy C Wetten Jean-Luc Thomas Alina Wagiran Tinashe Chiurugwi

A transgenesis programme has been developed for Impatiens balsamina that will allow elucidation of the roles played by individual genes in the flower reversion phenomenon shown by this model species. The lack of explants exhibiting adventitious shooting in I. balsamina hinders Agrobacterium-based transformation, but the multiple shoots that arise from cotyledonary nodes present a suitable targe...

Journal: :DNA research : an international journal for rapid publication of reports on genes and genomes 2002
Pattama Sirithunya Somvong Tragoonrung Apichart Vanavichit Nathinee Pa-In Chanakarn Vongsaprom Theerayut Toojinda

Blast is an economically important disease of rice. To map genes controlling blast resistance, recombinant inbred lines (RIL) were developed from Khao Dawk Mali 105, an aromatic, blast-susceptible cultivar and the blast resistance donor, CT 9993-5-10-M (CT). A linkage map encompassing 2112 cM was constructed from 141 RILs using 90 restriction fragment length polymorphisms (RFLPs) and 31 simple ...

2016
Elaine D. Por Jae-Hyek Choi Brian J. Lund

BACKGROUND Blast-related ocular injuries sustained by military personnel have led to rigorous efforts to elucidate the effects of blast exposure on neurosensory function. Recent studies have provided some insight into cognitive and visual deficits sustained following blast exposure; however, limited data are available on the effects of blast on pain and inflammatory processes. Investigation of ...

Journal: :THE JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 1984

2006
F. N. Lee

Rice blast, an erratic niche disease incited by Magnaporthe grisea Cav., frequently limits rough rice yields and grower cultivar options in Arkansas rice production areas. Scientists poorly understand why some blast-susceptible varieties such as ‘Newbonnet’, ‘LaGrue’, ‘Mars’, and ‘Cypress’ become increasingly more blast resistant if grown in continuously flooded soil. A greenhouse depth-of-floo...

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