科技视界最新文献

筛选
英文 中文
Geological investigation and monitoring of Ramhlun Sports Complex landslide, Aizawl, India 印度Aizawl Ramhlun体育综合体滑坡地质调查与监测
Science & Technology Vision Pub Date : 2019-09-30 DOI: 10.33493/scivis.19.03.03
Laldinpuia
{"title":"Geological investigation and monitoring of Ramhlun Sports Complex landslide, Aizawl, India","authors":"Laldinpuia","doi":"10.33493/scivis.19.03.03","DOIUrl":"https://doi.org/10.33493/scivis.19.03.03","url":null,"abstract":"Ramhlun Sports Complex is situated at the eastern limb of Aizawl anticline, Mizoram. Landslide took place in August 2012 which badly affected 16 houses. Due to presence of tension cracks, 38 houses are vacated within a safe time, but dismantled and 10 buildings are collapsed in August 2013. This affected 195 persons of 41 families. A geological investigation was performed; representative soil samples are analyzed as Atterberg’s limits, CBR (California bearing ratio), OMC (optimum moisture content) and MDD (maximum dry density), respectively. Instrumentations and monitoring of the movement using crackmeter and tape extensometer also done for two years. The CBR and MDD values are too low as compared to the safety standards, while moisture content is too high. This may show that the movement and erosion rate may be high. The movement was relatively high when rainfall increases. It was observed that, the area is not suitable and unsafe for settlement; constructions of road/ pavement are not recommended.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74207757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Arbuscular mycorrhizal fungi in Melocanna baccifera from disturbed and undisturbed sites in Mizoram, India 来自印度米佐拉姆邦受干扰和未受干扰地点的美洛坎纳菌根真菌
Science & Technology Vision Pub Date : 2019-06-30 DOI: 10.33493/SCIVIS.19.02.05
Lalnunthari, J. Zothanzama, Saizamrengi
{"title":"Arbuscular mycorrhizal fungi in Melocanna baccifera from disturbed and undisturbed sites in Mizoram, India","authors":"Lalnunthari, J. Zothanzama, Saizamrengi","doi":"10.33493/SCIVIS.19.02.05","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.02.05","url":null,"abstract":"Melocanna baccifera is a well-known native bamboo species of India belonging to the grass family Poaceae. A study on the presence of arbuscular mycorrhizal fungi (AMF) association with M. baccifera was conducted from a disturbed and undisturbed bamboo forest sites within Mizoram University, Mizoram, India. Soil from the rhizosphere region as well as physico-chemical properties of the soil were taken to study AMF diversity. The roots were observed for percentage colonization by AMF. It was found that undisturbed site had higher colonization percentage (56%) than the disturbed site (46%). The Shannon’s diversity index showed that undisturbed site (1.46) had more diversity than the disturbed site (1.59) while disturbed site showed lower index of dominance (3.34) which indicates higher shared dominance of AMF species than undisturbed site (4.66).","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"43 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90957532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the intensity of radiation attenuated by protective barriers in diagnostic X-ray installations 诊断x射线装置中防护屏障衰减辐射强度的研究
Science & Technology Vision Pub Date : 2019-06-30 DOI: 10.33493/SCIVIS.19.02.08
J. Lalrinmawia, K. S. Pau, R. Tiwari
{"title":"Study on the intensity of radiation attenuated by protective barriers in diagnostic X-ray installations","authors":"J. Lalrinmawia, K. S. Pau, R. Tiwari","doi":"10.33493/SCIVIS.19.02.08","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.02.08","url":null,"abstract":"The main objective of the present study is to find out the intensity of radiation attenuated by different types of patient entrance doors (PED) as well as control panel (CP) protective barriers in diagnostic X-ray installations. To measure the intensity of ionizing radiation, ion chamber survey meter was used; all measurements were performed in freeze mode. In setting maximum accelerating potential, minimum tube current and fixed exposure time, a water phantom was exposed through maximum field size. Radiation exposure rates were measured at CPs as well as PEDs with and without barriers. In chest mission, radiation rates with PED ranged from 0.3 µSv/h to 0.7 mSv/h and without PED 0.2 mSv/h to 1.2 mSv/h. At the same time, in couch mission, radiation rates measured behind PED ranged from 0.3 µSv/h to 2.2 mSv/h and 0.03 mSv/h to 2.25 mSv/h in front of PED. All institutions showed higher exposure rates without PED; all types of doors considerably attenuated radiation. Among different types of door, lead-lined door attenuated 99.53% in chest mission and 97.44% in couch mission. While plywood doors attenuated approximately 40% of the incident radiation, it is more or less similar as air does in every half meter away from the phantom. Radiation rates in chest missions with CP barriers ranged from 2 µSv/h to 0.38 mSv/h, while 0.4 mSv/h to 2.35 mSv/h without CP barriers. In couch missions, radiation rates measured with CP barriers varied from 4 µSv/h to 0.6 mSv/h whereas without CP barriers from 0.7 mSv/h to 5 mSv/h. There was a significant difference between radiation measured behind and in front of the CP barriers. Among them, the percentage of attenuation was high in lead and concrete barriers.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"100 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83344216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of in vitro anti-inflammatory activity of the spadix of Colocasia affinis 附着物叶柄体外抗炎活性评价
Science & Technology Vision Pub Date : 2019-06-30 DOI: 10.33493/SCIVIS.19.02.06
Vanlalhruaii, C. Malsawmtluangi, H. Lalhlenmawia
{"title":"Evaluation of in vitro anti-inflammatory activity of the spadix of Colocasia affinis","authors":"Vanlalhruaii, C. Malsawmtluangi, H. Lalhlenmawia","doi":"10.33493/SCIVIS.19.02.06","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.02.06","url":null,"abstract":"The methanolic extract of C. affinis was evaluated for its in-vitro anti-inflammatory activity by bovine serum albumin denaturation method, egg albumin denaturation method and protease inhibition method at different concentrations. Diclofenac sodium was used as the reference drug. The extract exhibits anti-inflammatory activity in a concentration-dependent manner. In bovine serum albumin denaturation method, the extract at concentrations of 100, 200, 400, 600, 800, 1000 µg/ml showed 25.49, 28.43, 31.37, 37.25, 41.17, 48.03% inhibition respectively. In egg albumin denaturation method, the concentrations of 50, 100, 200, 300, 400, 500 µg/ml showed 5.3, 9.89, 28.12, 32.8, 43.2, 52.8% inhibition respectively. In protease inhibition method the extract at concentration of 100, 200, 300, 400, 500 µg/ml showed 8.87, 19.32, 28.56, 43.96, 59.92% inhibition respectively. Therefore, from the results it can be concluded that the methanolic extract of C. affinis possesses anti-inflammatory activity.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72925712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Effect of mechanical relaxation time in elastic materials with voids 含孔洞弹性材料力学松弛时间的影响
Science & Technology Vision Pub Date : 2019-06-30 DOI: 10.33493/SCIVIS.19.02.09
R. Lianngenga, L. Thangmawia
{"title":"Effect of mechanical relaxation time in elastic materials with voids","authors":"R. Lianngenga, L. Thangmawia","doi":"10.33493/SCIVIS.19.02.09","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.02.09","url":null,"abstract":"The effect of mechanical relaxation time in the elastic wave propagation in elastic materials with voids is investigated. The phase speed and the attenuation coefficients are obtained and observed the effect of mechanical relaxation time. The phenomenon of reflection of elastic waves due to the incident waves from a plane boundary of elastic materials with voids is studied. The amplitude and energy ratios of the reflected waves are obtained. Numerically these ratios, phase speeds and the corresponding attenuation coefficients are computed for a particular model and the effect of mechanical relaxation time is discussed.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"59 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73860112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Changes in biochemical and nutritional properties of bekang-um (fermented soybean) prepared by traditional method and customized incubator 传统方法和定制培养箱制备豆豉的生化和营养特性变化
Science & Technology Vision Pub Date : 2019-06-30 DOI: 10.33493/SCIVIS.19.02.07
K. Thanzami, C. Lalremruati, Vanlalthlana, Andrew Lalthasanga, Phyobemo C. Tungoe, J. Ralte, H. Lalhlenmawia
{"title":"Changes in biochemical and nutritional properties of bekang-um (fermented soybean) prepared by traditional method and customized incubator","authors":"K. Thanzami, C. Lalremruati, Vanlalthlana, Andrew Lalthasanga, Phyobemo C. Tungoe, J. Ralte, H. Lalhlenmawia","doi":"10.33493/SCIVIS.19.02.07","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.02.07","url":null,"abstract":"Effect of controlled and uncontrolled fermentation temperature on the microbial load, biochemical changes and change in nutritive value of bekang-um was studied in an attempt to upgrade the traditional fermentation technology of soybean, Glycine max (L.) Merr. The sterile cooked beans were fermented using a low-cost wooden incubator developed previously, adjusted at a constant temperature (35°C) and also under direct sunlight for 4 days following the traditional method. The microbial load, biochemical changes and changes in nutritive values of both the beans fermented were compared under controlled and uncontrolled temperature. The result showed that the viable cell counts, pH, free amino acids, proteolytic activity and alpha amylase activity increased in both the fermenting conditions throughout the process while the reducing sugar increased in the first day and decreased gradually with fermentation in both conditions. There is also an increase in moisture, protein and calorific value, and a decrease in carbohydrate, fats and ash value in both conditions. Fermentation under controlled temperature gave the higher levels of alpha amylase and proteolytic activities, viable cell counts, pH, free amino acids and nutritive value. These results suggested that fermentation proceeds at higher rate under controlled temperature using low-cost incubator could be utilized for the commercial production of bekang-um as the fermentation time could be reduced from three days to two days in addition to its simpler technology.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90478950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A review on tobacco and its effect on health 烟草及其对健康的影响
Science & Technology Vision Pub Date : 2019-03-31 DOI: 10.33493/SCIVIS.19.01.04
B. Lalruatfela
{"title":"A review on tobacco and its effect on health","authors":"B. Lalruatfela","doi":"10.33493/SCIVIS.19.01.04","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.01.04","url":null,"abstract":"Tobacco is an important agricultural product that is consumed all over the world. More than 8000 chemicals are reported to be present in tobacco, and a large number of these chemicals are known carcinogens, and hence is known to be one of the most significant contributors to the development of cancer of different body parts. These chemicals have been reported to alter both the genetic and epigenetic constituents of cells. Such changes involve point mutation, deletion, insertion, recombination, transversion, transition, and chromosomal aberrations including aneuploidy and polyploidy. The chemical composition of different types of tobacco has been reported to be different. In this article, brief information about tobacco plants; history, types and popularity of tobacco; its chemical composition; relation to cancer and other diseases and its effects on the molecular, epigenetic and genetic compositions have been highlighted.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"108 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87579882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Morphotectonic aspects in a part of Naga-Schuppen belt, Assam-Nagaland region, Northeast India 印度东北部阿萨姆-那加兰邦地区那加-舒本带部分地区的形态构造特征
Science & Technology Vision Pub Date : 2019-03-31 DOI: 10.33493/SCIVIS.19.01.02
Farha Zaman, D. Bezbaruah
{"title":"Morphotectonic aspects in a part of Naga-Schuppen belt, Assam-Nagaland region, Northeast India","authors":"Farha Zaman, D. Bezbaruah","doi":"10.33493/SCIVIS.19.01.02","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.01.02","url":null,"abstract":"The Belt of Schuppen is an important tectonic element of the Assam-Arakan basin. It is a narrow belt of thrust slices in southeastern boundary of the Assam valley. The Naga Schuppen Belt, consisting of eight or more imbricated thrusts, occurs between the Naga and Disang thrusts. This present study encompasses an area of 4,720 sq km along the Assam-Nagaland border. The Dikhow River, which is a seventh order basin, originates from Naga Hills flowing through a total length of 240 km in the Assam valley and reaches the Brahmaputra. In this study, the morphotectonic analysis of the Dikhow River was carried out to understand the role of active tectonics of the Naga Hills in Nazira-Naginimora areas of Assam and Nagaland respectively. The parameters such as asymmetric factor (AF), transverse topographic symmetric factor (T), and stream length gradient index (SL) were computed. Absolute AF values shows asymmetric to highly asymmetrical shape of the basins (range III-IV) which is also supported by T values. Anomalous SL values were obtained wherein major lineament and tectonic features are present. This indicates that the study area is tectonically active. Further, in the Assam valley it has been observed in the bank stratigraphy of Dikhow River that the Quaternary sediments are deformed. This deformation of the soft older alluvium indicates that the area is undergoing deformation during post Pliocene time. This evidence demands the morphotectonic evaluation of the aforesaid area to demarcate the tectonic activeness of the region in post Pliocene times.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"91 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85161000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Critical analysis on inclusion of environmental studies in the elementary, secondary and senior secondary schools in Mizoram, India 对印度米佐拉姆邦小学、中学和高中纳入环境研究的批判性分析
Science & Technology Vision Pub Date : 2019-03-31 DOI: 10.33493/SCIVIS.19.01.01
H. Lalramnghinglova, A. Singh, P. C. Lalrintluanga
{"title":"Critical analysis on inclusion of environmental studies in the elementary, secondary and senior secondary schools in Mizoram, India","authors":"H. Lalramnghinglova, A. Singh, P. C. Lalrintluanga","doi":"10.33493/SCIVIS.19.01.01","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.01.01","url":null,"abstract":"Education is a process of development which includes three major activities, namely teaching, training and instruction. Environmental education is a process to promote the awareness and understanding of the environment, its relationship with man and his activities. It is also aimed at developing responsible actions necessary for preservation, conservation and improvement of the environment and its components. It has been introduced as a regular course in formal school education system in India following the directive of the Supreme Court of India. The present study aims at critically analyzing curriculum of environmental studies at primary, secondary and senior secondary level. The detailed analysis was done on the basis interactions with important stakeholders. In our study, we found that there is scarcity of qualified teachers to teach Environmental studies at each level. During interactions it was found that teachers have several environmental knowledge gaps and misconceptions about important environmental issues like about acid rain, ozone layer depletion and greenhouse effect. Our survey indicates that teachers hardly practice innovative methods to teach environment education. Most commonly used method is lecture. Field visits, practical, study tour and demonstrations are missing in many schools. It was also found that course content is not incremental; there is very often repetition of the topics. At college level, there is a need to focus more on environmental education and upgrade the course components. There should be both pre-service and in-service training for teachers to infuse emerging issues in course content. Such training should equip teachers for collecting and using relevant teaching materials to impart emerging issues. A few suggestions and recommendations are given based on critical analysis.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"30 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88648751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sporadic flowering of Bambusa mizorameana Naithani in Mizoram
Science & Technology Vision Pub Date : 2019-03-31 DOI: 10.33493/SCIVIS.19.01.03
David C. Vanlalfakawma, S. Sen, S. Tripathi, F. Lalnunmawia
{"title":"Sporadic flowering of Bambusa mizorameana Naithani in Mizoram","authors":"David C. Vanlalfakawma, S. Sen, S. Tripathi, F. Lalnunmawia","doi":"10.33493/SCIVIS.19.01.03","DOIUrl":"https://doi.org/10.33493/SCIVIS.19.01.03","url":null,"abstract":"Mizoram, one of the states in northeast India, is known for its rich bamboo resources. Mizoram has been unceasingly experiencing flowering of bamboo. Recently, a new species of bamboo, Bambusa mizorameana, was described from Mizoram. It is a less common species, and its distributions within the state are also very limited. Specimens were also collected from Manipur. There has been no previous report of its inflorescence. The sporadic flowering of the species in certain areas within the nearby forest of Aizawl city, observed since 2017 are reported in this paper.","PeriodicalId":21329,"journal":{"name":"Science & Technology Vision","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90192931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信