Caves and cave art

2019 ◽  
Vol 6 (4) ◽  
pp. 100-105
Author(s):  
Gurcan Gurgen
Keyword(s):  
Carbonate Rocks ◽  
Raw Materials ◽  
Thinking Skills ◽  
Structural Features ◽  
Climatic Conditions ◽  
Thought Style ◽  
Works Of Art ◽  
The Masses ◽  
The Impact ◽  
Cave Art

This paper aims to discuss the impact and importance of the karstic caves, which are effective on the emergence and development of cave art and the rocks that generate them. The origin of cave traces to 40 thousand years and the creation of many more works of art and the importance of the rocks to the present day is very important. In particular, carbonate rocks such as limestone and marble became important spaces and raw materials in terms of art history and development. Carbonate deposits placed in the large ocean bowls during geological periods have been elevated and altered land during orogenesis periods. The fact that the carbonate rocks are soluble due to environmental conditions has led to the formation of a large number of caves depending on the size and distribution of the masses forming them. These karstic caves, which constitute a significant part of the caves in the world, have been the habitat of old people for almost 1-1.5 million years. The caves have been very important shelters for life, which became difficult due to the cold climatic conditions during the glacial periods, which were effective during the last 2 million years (Pleistocene). Under the challenging conditions of the Paleolithic period, human societies have tried to survive on the one hand and, on the other hand, achieved their symbolic thinking skills with their developing brain capacities 100,000 years ago. In the following period, the human communities that continued to develop have left very important ruins, which dates back to 40-10 thousand years ago and are regarded as works of art. Structural features of the caves and the rocks forming them are of great importance in the emergence of these works, which are interesting in their techniques as well as their thought style. Karst caves are very suitable for processing in terms of scraping, embossing and various painting techniques depending on the mineral structure of limestone. Besides, since these caves are difficult to access and are prevented from external dangers and risks, they are of great importance for the emergence of this art and reaching to the present day.   Keywords: Cave, Karstic rock, Cave art

scholarly journals The Effects of rural income project on silk exports and livelihood of smallholder producers in Gatsibo District, Rwanda

2021 ◽  
Author(s):  
Abiola Ogunlusi ◽  
Olanrewaju Olaniyan
Keyword(s):  
Textile Industry ◽  
Positive Impact ◽  
Raw Materials ◽  
Climatic Conditions ◽  
High Yield ◽  
Continuous Training ◽  
Cocoon Production ◽  
Income Status ◽  
The Impact ◽  
Smallholder Producers

Abstract Sericulture has been seen in Rwanda as an opportunity for increasing raw materials for the textile industry. Therefore, it has provided a new source of income, reduced unemployment and most likely to improve the livelihood status of poor sericulture smallholder producers by increasing their income earnings. The high yield in silk production has been pleasing due to the favourable climatic conditions for mulberry cultivation, sericulture has been seen as a potential tool to reduce poverty and also to generate foreign exchanges from exportation. The broad objective of this paper focuses on the impact of the livelihood status of smallholder producers in Rwanda. Purposive and simple random sampling techniques were employed in selecting 286 sericulture households’ farmers in Gatsibo district. Data for this study were analysed using descriptive statistics, inferential statistics, paired-samples t-test, cross-tabulation and chi-square test of independence. The results of this study showed clearly a significant improvement in the livelihood of the farmers. It was gathered that 82% asserted there are organized markets available for silk exportation. 77% affirmed an improvement in their income status. The average level of income per year from cocoon production among the farmers was estimated to be $ 227.59. It is of topmost priority for this program to continue because its effect has a very positive impact on the livelihood status of the beneficiaries. Farmers should be provided with continuous training, access to credits. If sustained properly it will resolve future challenges and springs more opportunities for farmers and likewise to the country through exports.

scholarly journals The Effects of rural income project on silk exports and livelihood of smallholder producers in Gatsibo District, Rwanda.

2021 ◽  
Author(s):  
Abiola Ogunlusi ◽  
Olanrewaju Olaniyan
Keyword(s):  
Textile Industry ◽  
Positive Impact ◽  
Raw Materials ◽  
Climatic Conditions ◽  
High Yield ◽  
Continuous Training ◽  
Cocoon Production ◽  
Income Status ◽  
The Impact ◽  
Smallholder Producers

Abstract Sericulture has been seen in Rwanda as an opportunity for increasing raw materials for the textile industry. Therefore, it has provided a new source of income, reduced unemployment and most likely to improve the livelihood status of poor sericulture smallholder producers by increasing their income earnings. The high yield in silk production has been pleasing due to the favourable climatic conditions for mulberry cultivation, sericulture has been seen as a potential tool to reduce poverty and also to generate foreign exchanges from exportation. The broad objective of this paper focuses on the impact of the livelihood status of smallholder producers in Rwanda. Purposive and simple random sampling techniques were employed in selecting 286 sericulture households’ farmers in Gatsibo district. Data for this study were analysed using descriptive statistics, inferential statistics, paired-samples t-test, cross-tabulation and chi-square test of independence. The results of this study showed clearly a significant improvement in the livelihood of the farmers. It was gathered that 82% asserted there are organized markets available for silk exportation. 77% affirmed an improvement in their income status. The average level of income per year from cocoon production among the farmers was estimated to be $227.59. It is of topmost priority for this program to continue because its effect has a very positive impact on the livelihood status of the beneficiaries. Farmers should be provided with continuous training, access to credits. If sustained properly it will resolve future challenges and springs more opportunities for farmers and likewise to the country through exports.

scholarly journals The Effects of rural income project on silk exports and livelihood of smallholder producers in Gatsibo District, Rwanda.

2021 ◽  
Author(s):  
Abiola Ogunlusi ◽  
Olanrewaju Olaniyan
Keyword(s):  
Textile Industry ◽  
Positive Impact ◽  
Raw Materials ◽  
Climatic Conditions ◽  
High Yield ◽  
Continuous Training ◽  
Cocoon Production ◽  
Income Status ◽  
The Impact ◽  
Smallholder Producers

Abstract Sericulture has been seen in Rwanda as an opportunity for increasing raw materials for the textile industry. Therefore, it has provided a new source of income, reduced unemployment and most likely to improve the livelihood status of poor sericulture smallholder producers by increasing their income earnings. The high yield in silk production has been pleasing due to the favourable climatic conditions for mulberry cultivation, sericulture has been seen as a potential tool to reduce poverty and also to generate foreign exchanges from exportation. The broad objective of this paper focuses on the impact of the livelihood status of smallholder producers in Rwanda. Purposive and simple random sampling techniques were employed in selecting 286 sericulture households’ farmers in Gatsibo district. Data for this study were analysed using descriptive statistics, inferential statistics, paired-samples t-test, cross-tabulation and chi-square test of independence. The results of this study showed clearly a significant improvement in the livelihood of the farmers. It was gathered that 82% asserted there are organized markets available for silk exportation. 77% affirmed an improvement in their income status. The average level of income per year from cocoon production among the farmers was estimated to be $227.59. It is of topmost priority for this program to continue because its effect has a very positive impact on the livelihood status of the beneficiaries. Farmers should be provided with continuous training, access to credits. If sustained properly it will resolve future challenges and springs more opportunities for farmers and likewise to the country through exports.

scholarly journals By-products of drawings - biological raw materials for alternative energy production

2020 ◽  
Vol 11 (4) ◽  
Author(s):  
G. M. Maruschak ◽  
◽  
M. M. Lisovoy ◽  
Keyword(s):  
Alternative Energy ◽  
Raw Materials ◽  
Climatic Conditions ◽  
Energy Yield ◽  
Rice Grain ◽  
Rice Varieties ◽  
Plant Raw Materials ◽  
Selection Of Species ◽  
The Impact ◽  
By Products

Emphasis is placed on the efficiency of production of alternative types of biofuels by rational selection of species and the intensity of biomass formation of plants of the appropriate chemical composition. It is determined that favorable natural and climatic conditions of the South of Ukraine, the presence of built rice irrigation systems make it possible to obtain high yields of high quality rice grain, while forming significant amounts of by-products in the form of straw, husk, flour, which are a source of solid biofuel.As a result of research of bioenergetic potential of Ukrainian rice varieties it is shown that the highest values of energy yield under the use of by-products (straw and husk) are characterized by Viscount and Premium varieties, which studied to determine the impact of agronomic factors on the formation of rice productivity. straw and husks as sources of bioenergy plant raw materials as solid biofuels.

scholarly journals Perspective sample of root chicory

2019 ◽  
pp. 159-161
Author(s):  
O. M. Vyutnova ◽  
T. Yu. Polyanina ◽  
I. A. Novikova
Keyword(s):  
Raw Materials ◽  
Climatic Conditions ◽  
Raw Material ◽  
Root Crop ◽  
Root Crops ◽  
Early Maturing ◽  
New Varieties ◽  
High Yields ◽  
The Impact ◽  
Selection Of

Relevance. One of the types of agricultural raw materials for the food industry is the root chicory, the product from the roots of which is produced in pure form, as well as is an important component in the production of tea and coffee drinks, confectionery. Its value is determined by the content in the roots of inulin, fructose, intibin and chicory. Despite the great economic importance and economic profitability of chicory cultivation, in recent years, the local processing industry is not provided with this type of raw material and is forced to buy the product from dried root crops in other countries, such as Ukraine, Italy and India. Modern agricultural production is in dire need of new varieties of root chicory, combining high yields and chemical and technological qualities, having the form of a root crop suitable for mechanized harvesting, and adapted to cultivation in soil and climatic conditions of the Non-chernozem zone. Purpose of work: to assess the nature of the impact of ultraviolet radiation in the time mode on watermelon seeds using cytogenetic analysis.Material and methods. The article describes the results of the test in the control nursery of a new sample of chicory root with 0428 selection of Rostov OSC.Results. As a result of breeding work, a promising sample of root chicory. It was isolated early maturing, with high yields and economically valuable properties, root crop truncated, suitable for mechanized harvesting by commercially available machines. 

scholarly journals Perspective sample of root chicory

2019 ◽  
pp. 159-161
Author(s):  
O. M. Vyutnova ◽  
T. Yu. Polyanina ◽  
I. A. Novikova
Keyword(s):  
Raw Materials ◽  
Climatic Conditions ◽  
Raw Material ◽  
Root Crop ◽  
Root Crops ◽  
Early Maturing ◽  
New Varieties ◽  
High Yields ◽  
The Impact ◽  
Selection Of

Relevance. One of the types of agricultural raw materials for the food industry is the root chicory, the product from the roots of which is produced in pure form, as well as is an important component in the production of tea and coffee drinks, confectionery. Its value is determined by the content in the roots of inulin, fructose, intibin and chicory. Despite the great economic importance and economic profitability of chicory cultivation, in recent years, the local processing industry is not provided with this type of raw material and is forced to buy the product from dried root crops in other countries, such as Ukraine, Italy and India. Modern agricultural production is in dire need of new varieties of root chicory, combining high yields and chemical and technological qualities, having the form of a root crop suitable for mechanized harvesting, and adapted to cultivation in soil and climatic conditions of the Non-chernozem zone. Purpose of work: to assess the nature of the impact of ultraviolet radiation in the time mode on watermelon seeds using cytogenetic analysis.Material and methods. The article describes the results of the test in the control nursery of a new sample of chicory root with 0428 selection of Rostov OSC.Results. As a result of breeding work, a promising sample of root chicory. It was isolated early maturing, with high yields and economically valuable properties, root crop truncated, suitable for mechanized harvesting by commercially available machines. 

Impact of roof shading on building energy performance in warm & humid climatic places of India

2020 ◽  
pp. 50-64
Author(s):  
Kuladeep Kumar Sadevi ◽  
Avlokita Agrawal
Keyword(s):  
Energy Consumption ◽  
Energy Conservation ◽  
Energy Performance ◽  
General Assumption ◽  
Climatic Conditions ◽  
Building Envelope ◽  
Passive Cooling ◽  
Base Case ◽  
U Value ◽  
The Impact

With the rise in awareness of energy efficient buildings and adoption of mandatory energy conservation codes across the globe, significant change is being observed in the way the buildings are designed. With the launch of Energy Conservation Building Code (ECBC) in India, climate responsive designs and passive cooling techniques are being explored increasingly in building designs. Of all the building envelope components, roof surface has been identified as the most significant with respect to the heat gain due to the incident solar radiation on buildings, especially in tropical climatic conditions. Since ECBC specifies stringent U-Values for roof assembly, use of insulating materials is becoming popular. Along with insulation, the shading of the roof is also observed to be an important strategy for improving thermal performance of the building, especially in Warm and humid climatic conditions. This study intends to assess the impact of roof shading on building’s energy performance in comparison to that of exposed roof with insulation. A typical office building with specific geometry and schedules has been identified as base case model for this study. This building is simulated using energy modelling software ‘Design Builder’ with base case parameters as prescribed in ECBC. Further, the same building has been simulated parametrically adjusting the amount of roof insulation and roof shading simultaneously. The overall energy consumption and the envelope performance of the top floor are extracted for analysis. The results indicate that the roof shading is an effective passive cooling strategy for both naturally ventilated and air conditioned buildings in Warm and humid climates of India. It is also observed that a fully shaded roof outperforms the insulated roof as per ECBC prescription. Provision of shading over roof reduces the annual energy consumption of building in case of both insulated and uninsulated roofs. However, the impact is higher for uninsulated roofs (U-Value of 3.933 W/m2K), being 4.18% as compared to 0.59% for insulated roofs (U-Value of 0.33 W/m2K).While the general assumption is that roof insulation helps in reducing the energy consumption in tropical buildings, it is observed to be the other way when insulation is provided with roof shading. It is due to restricted heat loss during night.

RHEOLOGICAL PROPERTIES OF CERAMIC MASSES: IMPROVEMENT BY COMPLEX MATERIAL ACTIVATION

2019 ◽  
Vol 16 (3) ◽  
pp. 334-351
Author(s):  
A. S. Mavlyanov ◽  
E. K. Sardarbekova
Keyword(s):  
Rheological Properties ◽  
Raw Materials ◽  
Sensitivity Coefficient ◽  
Raw Material ◽  
Clay Material ◽  
Fibrous Materials ◽  
Chemical Production ◽  
Production Wastes ◽  
Pass Through ◽  
The Masses

Introduction. The objective of the research is to study the effect of the complex activation of the alumina raw material on the rheological properties of the ceramic mass. In addition, the authors investigate solutions for the application of optimal coagulation structures based on loams and ash together with plastic certificates.Materials and methods. The authors used the local forest like reserves of clay loams at the BashKarasu, ash fields of the Bishkek Central Heating Centre (BTEC) and plasticizer (sodium naphthenate obtained from alkaline chemical production wastes) as fibrous materials. Moreover, the authors defined technological properties of raw materials within standard laboratory methodology in accordance with current GOSTs.Results. The researchers tested plastic durability on variously prepared masses for the choice of optimal structures. The paper demonstrated the plastic durability of complexly activated compounds comparing with non-activated and mechanically activated compounds. The sensitivity coefficient increased the amount of clay loams by mechanically and complexly activated, which predetermined the possibility of intensifying the process of drying samples based on complexly activated masses.Discussion and conclusions. However, mechanical activation of clay material reduces the period of relaxation and increases the elasticity coefficient of ceramic masses by 1.8–3.4 times, meanwhile decreases elasticity, viscosity and the conventional power during molding, which generally worsens the molding properties of the masses. Сomplex activation of ash-clay material decreases the period of relaxation and provides an increase in elasticity, plasticity of ceramic masses by 46–47%, reduction in viscosity by 1.5–2 times, conventional power on molding by 37–122% in comparison with MA clay loams. Ceramic masses based on spacecraft alumina raw materials belong to the SMT with improved rheological properties; products based on them pass through the mouthpiece for 5–7 seconds.

On the diagnostics of Adonis L. species (Ranunculaceae) of the Russian flora

2020 ◽  
pp. 3-14
Author(s):  
Aleksandr Luferov
Keyword(s):  
Raw Materials ◽  
Natural Populations ◽  
Structural Features ◽  
Biologically Active ◽  
Scientific Medicine ◽  
Diagnostic Features ◽  
Plant Raw Materials ◽  
Similar Chemical ◽  
Chemical Studies ◽  
Alternative Sources

The article provides brief information about cardiotonic, sedative, cytostatic, diuretic, and antibacterial effects of biologically active compounds of Adonis L. (Ranunculaceae) species. Chemical studies allowed to identify the cardiac glycosides, or cardenolides: or cardenolides: adontoxin, adonitol, adonitoxigenin, acetyldigitoxin and others. In scientific medicine, it is currently allowed to use Adonis vernalis L. Other types of Adonis have a similar chemical composition and are offered as substitutes for this official species, for example, Adonis apennina L. Many Adonis species have limited natural resources, and in some regions are rare, requiring conservation of their natural populations. The search for alternative sources of medicinal plant raw materials, based on this, is relevant. The experimental part of our research was carried out using the morphological and geographical method with the involvement of information on ecology and phenology. For the first time summarizes the diagnostic features of Adonis flora of Russian flora. Previously unknown structural features (shape and size of anthers) were identified that characterize the subgenera Adonanthe and Adonis. Taxonomic study of the genus Adonis of the Russian flora allowed us to determine its species composition, clarify its systematic affiliation, and nomenclature synonyms. 9 species were identified. Of these, 6 are perennials belonging to the subgenus Adonanthe, section Consiligo, which includes 2 subsections: Amurenses (2 species) and Vernales, which is differentiated into 2 rows: Apenninae (2 species) and Vernales (2 species). Subgenus Adonis is represented by 2 sections: Adonis (1 species) and Lophocarpa with sections Aestivales (1 species) and Dentatae (1 species). For all the considered species and varieties, the main distribution areas are given. A key has been compiled to determine the wild Adonis species distributed in Russia.

Оrganic Meat Production of Broiler Chickens Hubbard Redbro Cross

2020 ◽  
Keyword(s):  
Broiler Chickens ◽  
Raw Materials ◽  
Animal Health ◽  
Meat Products ◽  
Poultry Meat ◽  
Meat Production ◽  
Significant Difference ◽  
Environmentally Safe ◽  
The Impact

This article presents the results of studying the impact of housing and feeding conditions on broiler chickens of Hubbard RedBro cross, as well as the quality of products obtained when using floor and cage content, in a farm. It established that when receiving a mixed feed of own production using feed raw materials grown on a farm without the use of pesticides, a statistically significant decrease in potentially dangerous substances for animal health is recorded. Compared with factory feed, it has reduced the content of pesticides by 14 times, and mercury and arsenic by 24 times, cadmium by five times, and lead by ten times. The results of the study of economic indicators of growing Hubbard RedBro cross broiler chickens, as well as the chemical composition and quality of carcasses, indicated that there was no significant difference between the floor and cell conditions of keeping. Still, the use of a diet based on eco-feeds contributed to a statistically significant decrease in the concentration of toxic metals in the muscles of the poultry of the experimental groups. As a result, it found that the use of the studied compound feed in the diets of broiler chickens increased the indicators of Biosafety and ensured the production of environmentally safe ("organic") poultry meat products.

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