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THE CURRENT ECOLOGICAL STATUS OF ALEPPO PINE OF EL HAMIMET FOREST (ALGERIA) 阿尔及利亚el hammet森林阿勒颇松生态现状
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b2/v3/25
Djamel Yahi, R. Malika
The forest of El Hamimet, Oum el Bouaghi is a forestry and ecotourism site. Managed by the Oum El Bouaghi Forestry Department, this forest is made up of several silvicultural species (conifers) spread over an area of 1460 ha. The objective of this study is to characterize the current ecological status of Aleppo pine in El Hamimet forest (Algeria). The inventory of softwoods allowing a complete knowledge of quantitative data on the basis of dendrometric parameters collected on 4 plots. The results indicate that the floral diversity is low, characterized by 3 species. The highest abundance is marked in plot 1 with 389 individual/ha, while plot P3 has the highest volume with about 211.58 m3/ha. The vertical structure shows that the 3-5m class is the most abundant. Indeed, this work will provide a solid reference for future follow-up studies for Aleppo Pine.
Oum El Bouaghi的El hammet森林是一个林业和生态旅游景点。这片森林由Oum El Bouaghi林业部管理,由几种造林物种(针叶树)组成,分布在1460公顷的面积上。本研究的目的是描述El hammet森林(阿尔及利亚)阿勒颇松的当前生态状况。在4个样地收集的树木参数的基础上,对软木进行了清查,从而获得了完整的定量数据。结果表明,该区花卉多样性较低,以3种为主。样地1丰度最高,为389株/ha,样地P3体积最高,约为211.58 m3/ha。垂直结构显示3-5m级最丰富。本研究将为今后阿勒颇松的后续研究提供坚实的参考。
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引用次数: 0
RESEARCH OF THE INFLUENCE OF THE MODE PARAMETERS OF THE WATER-VACUUM EXTRACTION PROCESS ON THE YIELD OF BIOLOGICALLY ACTIVE SUBSTANCES INONOTUS OBLIQUUS 水-真空萃取工艺模式参数对斜花草生物活性物质产率的影响研究
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b1/v3/19
R. Safin, S. Mukhametzyanov, A. Safina, N. Galyavetdinov, V. Gubernatorov
Inonotus obliquus or chaga birch mushroom has a fairly wide range of applications in the cosmetic, food and pharmaceutical industries due to the wide range of biologically active substances it contains. The analysis of foreign and domestic studies testifies to the ongoing research in the field of extraction of valuable components from chaga, however, issues of intensification of processes and the development of new methods of extraction remain topical. One of these methods is the water-vacuum extraction of chaga, which consists in alternating the stages of the process at atmospheric and reduced pressure. The aim of the study is to determine the optimal time parameters of the individual stages of the water-vacuum extraction of chaga to optimize the operating parameters of the process. The object of the study was chaga collected in forest plantations in central Russia in the spring season, and crushed to particles ranging in size from 0.1 to 1.2 mm. The experiments were carried out on a laboratory version of a vacuum extraction unit, which allows for the classical infusion and extraction of chaga at various variations in the pressure of the medium. Studies have shown that preliminary evacuation of dry raw materials and the introduction of a rarefied medium into the process of water extraction of chaga makes it possible to intensify the extraction process and has a positive effect on the yield and activity of extractive substances. It has been established that the preliminary evacuation of crushed chaga makes it possible to increase the efficiency of subsequent extraction and to increase the yield of valuable components by 15-18%. The optimal time for this stage was 5 minutes. The effective duration of the infusion step at atmospheric pressure was 30 minutes, and the subsequent evacuation is expediently carried out for 10 minutes. Based on the results of the presented work, the optimal scheme for carrying out the process of water-vacuum extraction of chaga was determined.
白桦蘑菇由于其含有大量的生物活性物质,在化妆品、食品和制药工业中有着相当广泛的应用。对国内外研究的分析表明,从桦茸中提取有价值成分的研究正在进行中,但强化工艺和开发新的提取方法的问题仍然是当前的热点。其中一种方法是chaga的水真空萃取,它包括在常压和减压下交替进行过程的各个阶段。研究的目的是确定chaga水真空提取各阶段的最佳时间参数,以优化该工艺的操作参数。研究对象是春季在俄罗斯中部的森林种植园收集的chaga,并将其粉碎成0.1至1.2毫米的颗粒。实验是在实验室版的真空提取装置上进行的,该装置允许在各种介质压力下进行经典的灌注和提取chaga。研究表明,在白桦茸水提过程中预先抽除干燥原料和引入稀薄介质,可以强化提取过程,并对提取物质的得率和活性产生积极影响。研究表明,对破碎的chaga进行初步抽提,可以提高后续提取的效率,使有价成分的得率提高15-18%。这个阶段的最佳时间是5分钟。常压下输液步骤的有效持续时间为30分钟,随后方便进行10分钟的疏散。在此基础上,确定了白桦茸水真空提取工艺的最佳方案。
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引用次数: 0
ASSESSMENT OF CARCINOGENIC RISK OF DRINKING SURFACE WATER CONSUMPTION OF THE TRANSBOUNDARY BASIN OF THE SELENGA RIVER IN THE TERRITORY OF MONGOLIA 蒙古境内色楞嘎河跨界流域饮用地表水致癌风险评价
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b1/v3/45
I. Ulzetueva, B. Gomboev, D. Zhamyanov, V. Batomunkuev, N. Gomboeva
The assessment of the carcinogenic risk of the impact of drinking surface waters on the population health of the transboundary basin of the Selenga river in Mongolia is described in the article. We carried out expeditionary studies of the quality of drinking surface waters on the territory of four aimags, which represent different degrees of economic development and are completely included in the Selenga river basin: Khuvsgul, Arkhangai, Bulgan and Selenge. In this work, we used the methodology used by the US Environmental Protection Agency to quantify the carcinogenic risk of exposure to chemical compounds present in surface waters using the example of these aimags in Mongolia. The application of this methodology for risk assessment gives a great advantage over traditional methods of regulation. It has been established that on the territory of the Selenge aimag, the risk of developing a carcinogenic effect from the impact of priority pollutants on public health associated with the quality of drinking water is high and in the territory of Bulgan, Khuvsgul and Arkhangai aimags are medium, which requires state regulation of the risk and the development of appropriate standards.
本文介绍了蒙古色楞嘎河跨界流域饮用地表水对人口健康影响的致癌风险评估。我们对四个地区的地表水水质进行了考察研究,这四个地区代表了不同的经济发展程度,完全包括在色楞格河流域:库苏古尔、阿尔汉盖、布尔干和色楞格。在这项工作中,我们使用了美国环境保护署使用的方法,以蒙古的这些图像为例,量化暴露于地表水中存在的化合物的致癌风险。这种风险评估方法的应用比传统的监管方法有很大的优势。已经确定,在塞伦格省领土上,与饮用水质量有关的重点污染物对公共健康的影响产生致癌效应的风险很高,而在布尔干、库苏古尔和阿尔汉盖省领土上,风险中等,这需要国家对风险进行监管并制定适当的标准。
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引用次数: 0
REDUCING THE ADVERSE EFFECTS OF THE OPERATION OF GAS FIRED MELTING FURNACES ON THE ENVIRONMENT 减少燃气熔炼炉运行对环境的不利影响
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b1/v3/03
Ľ. Straka, T. Krenický
Due to the growing production on a global scale, the use of fossil fuels is also increasing. Therefore, the control of pollutant emissions produced in the industrial sphere has become a global concern. In general, an imperfect combustion process has a negative impact on the overall efficiency and economy of plant operation, but at the same time increases the share of total emissions in the environment. We also encounter this problem when operating gas fired melting furnaces. Therefore, the paper aimed to describe the results of experimental measurements of the number of emissions produced during the operation of a gas fired melting furnace, which in practice is mainly used for melting alloys. Experimental measurements were oriented to find the most suitable variant of the operating mode of the gas fired melting furnace with regard to minimizing the total amount of emissions produced.
由于全球范围内产量的增长,化石燃料的使用也在增加。因此,控制工业领域产生的污染物排放已成为全球关注的问题。一般来说,不完美的燃烧过程会对工厂运行的整体效率和经济性产生负面影响,但同时也会增加总排放在环境中的份额。我们在操作燃气熔炼炉时也会遇到这个问题。因此,本文旨在描述在燃气熔炼炉运行期间产生的排放物数量的实验测量结果,该炉在实践中主要用于熔化合金。实验测量的目的是找到最合适的燃气熔炼炉操作模式的变体,以尽量减少产生的总排放量。
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引用次数: 0
ENVIRONMENTAL ISSUES OF SURFICIAL URANIUM DEPOSITS: OUM DHEROUA CASE STUDY (ISLAMIC REPUBLIC MAURITANIA) 浅层铀矿的环境问题:德罗瓦州个案研究(毛里塔尼亚伊斯兰共和国)
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b2/v3/10
M. Kurylo, I. Virshylo
Uranium deposits and resources are considered as an important raw material base for the implementation of scenarios for the green and clean energy transition. Traditionally discussed risks of potential environmental impacts of Uranium projects development could be subdivided by deposit type. Surficial type mineralization connected to the calcretes in shallow paleovalleys or playas has many specific features which might be analysed separately. Case study of Oum Dheroua Uranium project in the Islamic Republic of Mauritania shows an unexpected lower estimation of environmental risks comparatively to conventional Uranium projects despite to open-pit mining technology. The reasons for such estimation, connected to geographic location, the inclusion of Uranium minerals in natural ecosystems and low scale of deposits (both in grade and size sense). Potential by-products (Vanadium and Strontium) are not part of environmental factors assessment.
铀矿床和资源被认为是实施绿色和清洁能源转型情景的重要原料基础。传统上讨论的铀项目开发的潜在环境影响风险可以按矿床类型细分。与浅层古谷或浅层古盆地钙质有关的地表型矿化具有许多具体特征,可单独分析。对毛里塔尼亚伊斯兰共和国Oum deroua铀项目的案例研究表明,尽管采用了露天采矿技术,但与常规铀项目相比,对环境风险的估计出乎意料地低。作出这种估计的原因与地理位置、铀矿物在自然生态系统中的包含以及矿床规模小(在品位和规模意义上)有关。潜在的副产物(钒和锶)不属于环境因素评价的一部分。
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引用次数: 0
STRUCTURAL AND FLORISTIC CHARACTERIZATION OF THE OULED BECHIH FOREST (ALGERIA) 阿尔及利亚奥勒德滩涂林的结构和区系特征
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b2/v3/22
Touafchia Boutheyna, Kadi Zahia, R. Lilia, R. Malika
The objective of this study is the rational management of forest ecosystems for sustainable conservation of floristic biodiversity. Two types of analysis are carried out: structural analysis and analysis of the main species. A total of 22 families were identified, divided among 32 species. The dominant woody species are Quercus suber and Quercus canariensis. Fagaceae is the most represented family. The average values of species richness and Shannon diversity index are 4 ± 1.8 and 0.9 ± 0.30 species/plot respectively. The average density of woody species in the Oueld Bechih forest was 158 ± 28 tree/ha with an average basal area of 32.67 ± 0.74m²/ha. The height structure shows that trees in height classes is ≥ 6 has very high density, evidence of almost no natural regeneration. The total structure indicates that larger trees are more abundant. In effect, this work provides a database for the forest, but it represents only one facet to be considered in protecting and restoring it.
本研究的目的是对森林生态系统进行合理管理,以实现植物区系生物多样性的可持续保护。进行了两类分析:结构分析和主要树种分析。共鉴定出22科,分32种。优势木本树种为亚栎和加那利栎。壳斗科是最具代表性的科。物种丰富度和Shannon多样性指数的平均值分别为4±1.8和0.9±0.30种/样地。林内木本树种平均密度为158±28株/ha,平均基材面积为32.67±0.74m²/ha。高度结构表明,≥6级的乔木密度非常高,几乎没有自然更新的迹象。总体结构表明,较大的树木更丰富。实际上,这项工作为森林提供了一个数据库,但它只代表了保护和恢复森林需要考虑的一个方面。
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引用次数: 0
SOILS OF SMALL ARCHAEOLOGICAL SETTLEMENTS IN THE STEPPE ZONE AS A RESULT OF BRONZE AGE ANTHROPOGENIC IMPACT 青铜器时代人为影响下草原地区小型考古聚落的土壤
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b1/v3/43
L. Plekhanova
"The contemporary direction of natural pedogenesis/soil science is ancient anthropogenic impact and climate fluctuations changes. A large number of settlements in the river valleys are unique objects with a long history of development and modern soil cover formation. We studied the soil between the dwellings for a small settlement Zarya of the Bronze Age. The settlement was part of the economic zone of cattle breeding (horses and cows and sheep) of the large early Bronze Age fortified city Sarym-Sakla, one of the country's Proto-Iranian Cities of the Trans-Ural Plateau. The activity of ancient societies changed the terrestrial ecosystem functioning at macro and microscales. Increased heterogeneity of microrelief forms led to the diversity of soil cover. We found the unusual soil types on microelevations and microdepressions. The enrichment of the cultural layer with phosphorus compounds was revealed, and the hypothesis of the formation of a ""reverse"" ratio of chernozems-solonetzes of the soil cover of the low above-floodplain terrace as a consequence of several stages of ancient anthropogenic pressure and climatic aridization was confirmed in this area. We focused on the determination of organic carbon content, magnetic susceptibility, salt composition, cation exchange capacity, and the distribution of mobile phosphates along the soil profile as possible indicators of ancient anthropogenic influence. The degree of soil properties changes during the anthropogenic impact is commensurate with their transformation in the natural evolution of centuries and even several millennia. Past anthropogenic changes leave a mark in the history of the development of the soil cover predetermining the modern danger of the degradation phenomena. Moreover, we draw parallels in the history of ecosystems formation and outlined tasks for further research."
“自然成土/土壤科学的当代方向是古代的人为影响和气候波动变化。河谷中的大量聚落是独特的对象,具有悠久的发展历史和现代土壤覆盖的形成。我们研究了青铜器时代的一个小定居点扎里亚的住所之间的土壤。该定居点是青铜时代早期大型设防城市Sarym-Sakla的养牛(马、牛和羊)经济区的一部分,Sarym-Sakla是该国跨乌拉尔高原的原始伊朗城市之一。古代社会活动在宏观和微观尺度上改变了陆地生态系统的功能。微地形形态异质性的增加导致了土壤覆盖的多样性。在微高程和微洼地发现了不同寻常的土壤类型。揭示了文化层中磷化合物的富集,并证实了该地区低漫滩阶地土壤覆盖层中黑钙土-茄钙土“反向”比例的形成是由于古代人类压力和气候干旱化的几个阶段的结果。我们着重于测定有机碳含量、磁化率、盐组成、阳离子交换容量以及沿土壤剖面的流动磷酸盐分布,作为古代人为影响的可能指标。在人为影响过程中土壤性质的变化程度与其在几个世纪甚至几千年的自然演变过程中的变化程度是相称的。过去的人为变化在土壤覆盖发展的历史上留下了印记,预先决定了退化现象的现代危险。此外,我们在生态系统形成的历史中得出了相似之处,并概述了进一步研究的任务。”
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引用次数: 0
THE DIFFERENT SCREENING METHODS FOR THE CERVICAL LESION DIAGNOSTIC AND THE ECONOMIC AND SOCIAL IMPLICATIONS OF SCREENING AMONG FEMALE POPULATION 宫颈病变诊断的不同筛查方法及其在女性人群中的经济和社会意义
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b1/v3/27
Codrin Gheorge, Verginica Schröder, R. Stoicescu, I. Dumitru
"The study aims to compare different screening methods that are currently being used to confirm a cervical intraepithelial lesion (CIN) underlying the inherent advantages of the varied examination procedures. In this study we are looking at the quality contrast of the different paraclinical examinations relative to the cost, invasiveness and cultural acceptance of such procedures. Every year, more than 100,000 women in EU countries are diagnosed with cervix uteri cancers (CCU). This type of cancer can be prevented if precancerous cells are detected and treated. HPV is found in over 90% of cervix uteri cancers. In Europe, more than half of the countries have implemented screening programs for cervical cancer, and most European countries now have national HPV vaccination programs, however target populations vary depending on the epidemiological evidence and the budgetary level of each countries health system. In this study we evaluated and compared the current and modern techniques used for cervix cellular diagnostics. Also, this study helps improve the understanding on the economic and social implications of screening among female population and the impact it has on healthcare system relieving. Romania recorded an incidence of 22.6 cases of cervix uteri cancers / 100.000 women (age standardized rate), and a mortality of 9.6 / 100.000, ranking second highest in the EU zone."
“该研究旨在比较目前用于确认宫颈上皮内病变(CIN)的不同筛查方法,这些方法具有不同检查程序的固有优势。在这项研究中,我们正在研究不同临床旁检查的质量对比,这些检查与成本、侵入性和文化接受度有关。每年,欧盟国家有超过10万名妇女被诊断患有宫颈癌(CCU)。如果发现并治疗癌前细胞,这种类型的癌症是可以预防的。HPV在超过90%的子宫颈癌中被发现。在欧洲,超过一半的国家实施了宫颈癌筛查计划,大多数欧洲国家现在都有国家HPV疫苗接种计划,但目标人群因流行病学证据和各国卫生系统的预算水平而异。在这项研究中,我们评估和比较当前和现代技术用于宫颈细胞诊断。同时,本研究有助于提高对女性人群筛查的经济和社会影响及其对医疗保健系统缓解的影响的理解。罗马尼亚记录的宫颈癌发病率为每100 000名妇女22.6例(年龄标准化率),死亡率为每100 000名妇女9.6例,在欧盟区内排名第二。”
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引用次数: 0
TRANSFORMATION OF HIGH-DENSITY GREEN ENERGY WITH SIMULTANEOUS DECONTAMINATION OF THE ENVIRONMENT 转化高密度绿色能源,同时净化环境
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b2/v3/43
Ľ. Straka, T. Krenický
In recent years, there has been an increased emphasis worldwide on the quality of the environment, especially with an orientation towards the application of renewable energy sources. In addition, we are increasingly encountering experimentation aimed at obtaining new green energy sources. One of such sources is biomass. Biomass has been used since the middle ages as a source of heat and light energy. Today, however, we have technologies that allow us to obtain not only heat but also electricity from biomass, or to convert biomass into materials with high energy density and purity. The energy thus transformed can then be used, for example, as a propellant. At the same time, this valuable source of clean energy can be easily transported to the place of consumption. By applying biomass as a source of green energy, we can make a significant contribution to relieving the environment from harmful effects. In recent years, an increased interest in energy obtained from biomass can be observed in Slovakia. Its technical potential is the greatest among other renewable energy sources, and its non-use would essentially be wastage. Therefore, the aim of the paper was to describe two possibilities of transformation of biomass in the form of its energy recovery into the type of energy used for the production of mechanical, thermal and electrical energy. At the same time, in addition to obtaining a suitable form of energy from biomass, another environmental benefit was sought in the form of soil decontamination. In this regard, there is an energetically important crop, which is known under the Latin name Amaranthus caudatus. It is an energy crop that can be grown on slightly contaminated soil with some restrictions. Two methods of energy recovery of this crop were compared. In the first case it was its compaction into briquettes, in the second case it was a process of anaerobic fermentation with subsequent production of biogas. Based on the performed analysis, it was found that these are almost equivalent energy sources. Although both methods of transformation and energy recovery of the green part of Amaranthus caudatus crops have a number of advantages and disadvantages, it can be clearly stated that the positives significantly outweigh the negatives. Therefore, it is recommended to apply this crop as a valuable source of energy for use in real conditions.
近年来,全世界越来越强调环境质量,特别是朝向应用可再生能源。此外,我们越来越多地遇到旨在获得新的绿色能源的实验。其中一种能源是生物质。自中世纪以来,生物质能一直被用作热能和光能的来源。然而,今天,我们的技术使我们不仅可以从生物质中获得热量,还可以从生物质中获得电力,或者将生物质转化为具有高能量密度和纯度的材料。这样转化的能量可以被使用,例如,作为推进剂。同时,这种宝贵的清洁能源可以很容易地运输到消费地。通过应用生物质作为一种绿色能源,我们可以为减轻对环境的有害影响做出重大贡献。近年来,在斯洛伐克可以观察到人们对从生物质中获得的能源越来越感兴趣。在其他可再生能源中,它的技术潜力是最大的,不使用它基本上就是浪费。因此,本文的目的是描述以其能量回收形式将生物质转化为用于生产机械,热能和电能的能源类型的两种可能性。与此同时,除了从生物质中获得适当形式的能源外,还寻求另一种环境效益,即土壤净化。在这方面,有一种能量上很重要的作物,它被称为拉丁名称Amaranthus caudatus。它是一种能源作物,可以在受轻微污染的土壤上种植,但有一些限制。比较了该作物能量回收的两种方法。在第一种情况下,它是压实成块,在第二种情况下,它是一个厌氧发酵的过程,随后生产沼气。根据所进行的分析,发现这些几乎是等效的能量来源。尽管对尾苋作物绿色部分的转化和能量回收方法各有优缺点,但可以明确地说,利大于弊。因此,建议将这种作物作为一种有价值的能源在实际条件下使用。
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引用次数: 0
WILDFIRES FORECAST PERFORMANCE IN ALBANIA DURING SUMMER 2020 野火预测了阿尔巴尼亚2020年夏季的表现
Pub Date : 1900-01-01 DOI: 10.32008/geolinks2021/b2/v3/31
O. Jaupaj, K. Zaimi
"The Wildfire Risk Forecast (WRF) remains a daily procedure conducted by the National Centre for Forecast and Monitoring of Natural Hazards (NCFMNH), which is part of the Institute of Geosciences, Energy, Water and Environment (IGEWE) of Albania. WRF is generated on daily basis, by the country’s administrative unit (prefecture) and disseminated to the General Directorate of Civil Emergencies (GDCE) in order to help better coordinate fire-fighting activities. This study investigates the accuracy of the Wildfire Risk Forecasts during the 2020 summer season by analysing fire occurrences over each prefecture of Albania for two components of wildfire forecast Performance, i.e., The Prefecture Hit Probability (PHP) and the Average Fires per Hit (AFH). The study has revealed a “VERY GOOD” Performance for the “High Risk Level” forecast alerts, “GOOD” Performance for the “Moderate Risk Level” and “Low Risk Level” forecast alerts, and VERY GOOD” Performance for the “No Risk Level”"
“野火风险预报(WRF)仍然是阿尔巴尼亚地球科学、能源、水和环境研究所(IGEWE)下属的国家自然灾害预报和监测中心(NCFMNH)进行的一项日常程序。WRF由国家的行政单位(州)每天编制,并分发给民事紧急情况总局,以帮助更好地协调消防活动。本研究通过分析阿尔巴尼亚每个州的火灾发生情况,分析野火预测性能的两个组成部分,即州命中概率(PHP)和每次命中平均火灾(AFH),调查了2020年夏季野火风险预测的准确性。该研究显示,“高风险水平”预报警报的表现为“非常好”,“中等风险水平”和“低风险水平”预报警报的表现为“好”,“无风险水平”预报警报的表现为“非常好”。
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引用次数: 1
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