Heat Of Sun Research Articles

Effect of Heat Stress on Buck’s Adaptability and Semen Characteristics

The experiment was conducted to investigate the effect of heat stress on adaptability and semen quality of buck. Almost similar 10 Black Bengal bucks were selected for the study at Artificial Insemination Centre, Bangladesh Agricultural University, Bangladesh. Prerequisite biological data were collected from each animal before keeping them sun heat and after 1 hour sun exposure. Different semen characteristics of each animal were measured. Temperature humidity index (THI) was 19.95 in the morning which indicate all the animals were in absence of heat stress and THI was 25.54 in the noon which indicate all the animals were in severe heat stress at noon. Buck 1 and buck 5 were more heat resistant (p<0.01), because their thermolysis capacity (TC) values were less than the others. There were no differences in tunica dartos index and semen characteristics among different bucks (p>0.05). Positive correlation between sperm motility and testis length (p<0.05), and negative correlation between sperm concentration and scrotal skin temperature (p<0.05) were found. From the study it can be concluded that all the bucks were in severe heat stress at noon time and TC can be used as an indicator for selection of buck for heat tolerance.J. Environ. Sci. & Natural Resources, 9(1): 151-156 2016

Pembuatan Alat Pengering Kerupuk Rengginang dengan Kapasitas 7 Kg di Samarinda

Has been conducted by making the hair crackers rengginang and applied to operations " YANI JAYA " in Samarinda . The goal is to increase the production of crackers rengginang , more hygienic product , dry crackers more evenly , does not require large tracts of land , and drying does not depend on weather conditions . Drying crackers previous rengginang still utilize the sun's heat , so the drying process depends on the weather conditions. The design of the dryer consists of : length, width , height (80 , 80, 124) cm . Drying rack has a length , width , height (78 , 50, 5) cm , with 5 levels of drying rack . Furnace has a length , width , height (77 , 48, 9) cm , heat conductive medium used is gravel . Drying capacity is 7 kg or 490 grain mold , and it takes 8 hours to dry crackers with temperature tendency rengginang 40-60 OC . Total fuel consumption gar once the drying process is 1.2 kg . Based on the results of laboratory tests on the water content of crackers rengginang on each rack is the first shelf 8.26% , 8.28% the second shelf , third shelf 8.31% , 8.26% rack fourth and fifth racks 8.25 % , and crackers rengginang expand when fried. From the calculation of the economic value of the point of techno recoup their production by 29.27 %, 94.27 % return on investment in , and the turnover time of 1 year 1 month .

Combate integrado de la pudrición radical de la papaya (Phytophthora sp.) a nivel de vivero.

The effect of several strategies - alone and integrated - on the control of the Phytophthora sp. fungae, which causes radical rotting of papaya fruits, was evaluated under nursery conditions. The experiment took place between August 1994 and March 1995 at the University of Costa Rica's Estación Experimental Fabio Baudrit, located in Alajuela, Costa Rica. The treatments applied were: sun heat for 30 days; organic fertilizer made from hen droppings; etridiazole fungicide; and the following combinations: sun heat + etridiazole + organic fertilizer; etridiazole + organic fertilizer; sun heat + etridiazole; sun heat + etridiazole + organic fertilizer, and finally, an inoculated control treatment. Soil rows were made, and then they were innoculated with the pathogenic agent, and finally the aforementioned treatments were applied. The treated soils were bagged separately. The Solo Sunrise Hawaiian variety was planted in bags. The percentage of gerrnination, stem diameter at soillevel, plant height, radical system fresh weight, and severity of radical rotting were evaluated three months later. In addition, the effect of the treatments on beneficent soil microorganism populations (actinomyces, protozoa, bacteria, and fungi) was evaluated, as well as those of pathogenic populations. Organic fertilizer increased plant strength. All treatments affected germination; the innoculated control had the greatest germination percentage. Treatments containing organic fertilizer affected germination most.

Marginal and small farmers’ climate change perception and adaptation

Climate change refers to any change in climate over time, whether due to natural variability or/and as a result of human activity and adaptation to climate change requires that farmers first notice that the climate has changed, and then identify useful adaptations and implement them. The marginal and small farmers were highly vulnerable to climate change. The likely consequences of climate change on the water front in Tripura are decrease in total annual rainfall, change in rainfall pattern resulted in crop failure. The present research was conducted in West Tripura district of Tripura state and sample size was 150. Results suggested that perception of farmers on current climate condition ranged from bad to very bad and there were increase of crop, animal and human diseases; and also number of hot days and sun's heat had increased too, whereas rainfall days and annual rainfall had decreased. Major identified adjustment factors by farmers were decreased use of irrigation water, change in planting date, find offfarm job and alternative livestock feed supplements. However, farmers’ perceived barriers to climate change adjustment were lack of weather information, problem with getting inputs, lack of knowledge about adaptations and lack of information about climate change.

Sun's heat could cut fossil-fuel use

Sun's heat could cut fossil-fuel use

Sun's heat could cut fossil-fuel use

Sun's heat could cut fossil-fuel use

“Long Gone Hippies in the Desert”: Counterculture and “Radical Self-Reliance” at Burning Man

“Long Gone Hippies in the Desert”: Counterculture and “Radical Self-Reliance” at Burning Man

Comparing climatic indices; Mahoney, Evans, Biker, effective temperature (ET) and Givoni in Rasht city

The present research study and compare 5 well-known climatic indices inRasht city. For studying these five indices a 15-year statistical climaticperiod (1995-2009) has been used. The aim of this paper is to assess that howmuch the results of each of these indices are close to each other that are theresults provided by the indices are the same. The present paper tries to answerthis question:”how much the results of the climatic indices are similar andclose to each other and how much these results differ from each other?” For thesethree Mahoney, Evans and Givoni indices architectural guidelinesand principles have been as well provided and we hope that they will be useful.The research method used in this paper is qualitative method with an appliedapproach. The analyses indicate that regarding the coldness of the January, February,March and December months all the indices share common aspects. Also, there isno different between the cold, warm or temperate weather of the days of themonths in the Mahoney, Evans and effective temperature indices. However, in therest of the days and nights of the indices some differences in the results areseen. Therefore, we can conclude that in Rasht city the results of the threeMahoney, Evans and effective temperature indices results are so much close toeach other; however, there is a different in the results of Givoni and Biker results.On an average basis we can say that in this city three months of the year theweather is moderate and therefore, a comfortable condition exists and for 3months the weather is warm and for 6 months is cold. Based on architectural guidelinesin these 6 months that the weather of this city is cold the buildings requireInsulation and heating devices. In these months the air penetration through theseams of the windows and weak joints of the buildings should be prevents andthe heat of the sun should be used. In the other 6 months of the year thebuildings are required to make use of the air circulation, while in four ofthese months the air circulation is necessary.

CONCRETE COMPOSITION ANALYSIS CAST AS A PLATE SOLAR RADIATION

Various studies have been conducted relating to the material heat absorption and using. This study is a continuation of the research material concrete (cement, sand and stones cast) that produce; cement is kind of best cement Puger -Jember, finest sand is sand and stones cast iron is best cast stone(split). From these studies continued to receive concrete composition which can improve the performance of concrete as a heat absorber plate of solar radiation. In this study, using an experimental method to test the composition of concrete (cement, sand and stones cast) Testing is done by testing the compressive strength without and with heat treatment, the ability to absorb heat and heat dissipation, and test the ability to absorb and store the sun's heat radiation. Research produces the best concrete composition is the composition of the 2-2-3 concrete compressive strength in the review of the heat treatment, heat treatment and reduction in heat and heat of solar radiation absorption

Frigophobia: A case series from Sri Lanka

Frigophobia is a condition in which patients report coldness of extremities leading to a morbid fear of death. It has been reported as a rare culture-related psychiatric syndrome in Chinese populations. An extensive survey of the literature yielded only six case reports. The present paper describes a series of 109 patients with frigophobia in Sri Lanka. The common clinical presentation was of patients initially examining their extremities for cold sensations, and then, with the onset of fear, covering themselves in layers of clothing, applying emollients, and staying near an open fire in an effort to ward off the cold. They avoided foods considered to be "cooling" and bathed only in the heat of the noonday sun. When the severity of the symptoms reached a peak, or when they felt death was imminent, Western medical aid was sought. The fear of dying is seen as the single most important aspect that drives these individuals to seek help. There was a preponderance of female patients, and a few had specific phobias as comorbid conditions. Management comprised primarily illness education, reassurance, and desensitisation by exposure to cold stimuli, with short-term anxiolytic medication use when necessary.

NASA launches new telescope to solve sun heat mystery

The $181 million IRIS space telescope will probe the region of the sun between the star's surface and the plasma layer that envelopes it

Ambiguity in the heart, art and science by Marcus C. Schaub

Fig. 1. Ikaros in the Sky. Cutout colored paper in 1943 by Henri Matisse. Published in “Jazz” by Teriade, Edition Verve, Paris, 1947. 7th International AsconaWorkshop on Cardiomyocyte Biology, which focused on cardiac pathways of differentiation, metabolism and contraction, reveals a common notion appearing towards the end in each of them. Most material deals with basic science, but opens by mentioning the demographic socio-economic burden of high morbidity and mortality of cardiovascular diseases in technologically developed countries. Usually the circle gets closed at the end of the article. The endings are characterized by a transition from the precisely defined argumentative presentation of scientific facts to a more open not to say vague escape into speculation on “... potential opening of avenues for new therapeutic strategies”. We all know the trick that is needed to land research grant support. However, such ambiguity is not only reigning in science but is also typical for the representational arts. For illustration let's start with a paradigmatic aside by viewing Henri Matisse's picture of Ikaros in the Sky (Fig. 1). The dominant feature in this picture is his radiant red heart. It may serve as a metaphor for the ambiguity in art and science. We all know the story of Daidalos, the doyen of the Athenian craftsmanship, and his son Ikaros,whowere kept captive onKreta by the king Minos. To fly from the island Kreta, Daidalos constructed wings for his son and himself, by fixing together bird's feathers with wax. The father warned his son not to fly too high getting too close to the sun; otherwise, the sun's heat would melt the wax, loosen the feathers and cause him to fall back to earth. Ikaros, however, enjoying the newly gained freedom of flight couldn't help flying higher and higher into the sky until the unavoidable fate set in and he lost his feathers. The French painter Henri Matisse just captured this very moment of Ikaros using cutouts of colored paper (Fig. 1) when he had to give up brush painting because of severe polyarthritis. What is Matisse showing in this cutout? Has Ikaros resigned and is falling back, or is he still struggling to gain height? He just might experience an unprecedented new feeling of elation at the very moment of absolute weightlessness before the spacecraft era. Whatever he feels, he seems to feel it by heart. Ikaros has his heart on the right spot, which is onhis left;we, however, see it on the right. This is unlikely to be amedical problem; Ikaroswas not reported to suffer fromtheKartagener syndrome with “situs inversus” (described in 1933 by Max Kartagener, a physician fromZurich). It'smore likely to be an optical gimmick.Weperceive Ikaros as amirror image as if we looked ourselves into amirror; andwhat is the mirror doing? It simply reverses front and back (but neither left–right nor up–down). This reveals another ambiguity inMatisse's cutout; are we

The Aircraft Composite Integral Fuel Tank Fire Safety Performance Analysis and Shrinkage Ratio Simulation Calculation

Composite materials in specific modulus, specific strength and corrosion resistant properties are better than the metal materials. But as the composite materials thermal conductivity worse than metal, the speed of composite materials temperature rises more than metal. Then it is very necessary that the discussion of the composite material heat-resistant properties and flame retardant performance whether could meet the metal material performance requirements. This paper applied Fluent software to discuss shrinkage ratio aircraft fuel tank experiment method which simulate aircraft fuel tank top plate to accept the sun heat radiation 1 hour. During this time, the test plate center temperature, fuel surface temperature and fuel steam temperature. Comparing with Fluent simulation results and FAA test data, the results are basically the same trend, but there are still some residuals. According to FAA data correction calculation method, simulated a larger percentage or full size composite fuel tank fire experiment provides calculation method.

Variation of the Dielectric Properties of Low Density Polyethylene ( LDPE ) with Heat Treatments and UV-Irradiation

Dielectric properties of polyethylene (LDPE) specimens were studied before and after different heat treatments and UV-irradiation. UV-irradiation and heating at ~ 60 o C did not affect the ac-electrical resistivity all over the frequency range. The cooled specimen had the highest resistivity values with a sharp peak at 4 kHz. All treatments caused sharp considerable drop in the relative permittivity of specimens with frequency. Exposure to sun heat increased er-values gradually with frequency, while UVirradiation caused dropped in er- values to about 1/3 of the original er-values before irradiation, showing a broad peak at low frequencies. The Q-factor dropped after the treatments, except the cooling process which showed higher Q-values than the untreated specimen with three successive peaks at 20, 36 and 100 kHz. Explanation of the results according to new theories is given. The frequency dependence of er at low frequency regime (104 Hz), is attributed to the interfacial polarization, sometimes is referred to as Maxwell-Wagner-Sillars (MWS) polarization. Keywords. Q- factor, UV- irradiation, heat treatment, Polyethylene, electrical resistivity, relative permittivity Pacs. 61.46.Fg, 61.66.Hq, 61.82.Pv, 71.20.Rv, 77.22.Ch, 78.30.Jw.

Study of UV Transmission through a Few Edible Oils and Chicken Oil

Effects of solar UV radiation on the biosphere are well known and a lot of studies are going on to reduce its dangerous effects on human beings. Atmospheric ozone layer is not uniform over the globe, so that less ozone over tropics makes it receive more UV insolation, than high latitude places. People in the tropics are continuously exposed to high UV dosage, leading to skin reddening and the dangerous “sun stroke.” In southern India people use some vegetable oils to protect the skin from sun heat. Studies of “sun stroke” show that people having skin of moderate colour are the main victims. In some parts of Southern Kerala like Kottayam, Ernakulam, and Alappuzha traditional people were using oil extracted from chicken, called “chicken oil,” for the treatment of “heat burns” and other types of burns. This motivated us to study the UV absorption characteristics of chicken oil, and compare them with that of other commonly used vegetable oils. It is found that the chicken oil shows maximum absorption of UV radiation of about 85%, and neem oil shows absorption of about 60%. Other oils show comparatively very low absorption of UV radiation. So this property of chicken oil may be the reason for using it as remedy for heat burns.

Sun's heat to power green buildings

Sun's heat to power green buildings

PRIMARY STAGE OF PAKIS-STEM-BLOCK SYSTEM AS THERMAL PROTECTIVE TO FLAT BARE CONCRETE ROOFTOP IN TROPICAL CLIMATE OF SURABAYA

In the era of global warming and increasing urban heat island condition, flat concrete deck on shop-houses may be less sustainable to handle the excessive solar heat radiation impacts on the roof surfaces. Innovative alternative roofing system is needed to manage heat radiation that will lead to sustainable factors likes energy savings, less energy body used on the roofing materials, and provide comprehensive environmental friendly roof system. This paper discusses about particular environmental friendly materials such as “Pakis-Stem Blocks” system is a good thermal resistant to absorb the solar sun heat and provide natural cooling through convective-wind without adding substantial loads to the roof structures. “Pakis-stem blocks” are easier, cheaper and more valuable than other sub-structure roofing materials as thermal resistant layer on flat bare concrete deck besides green roofing systems.

The importance of solar insolation on the temperature variations for the past 110 kyr on the Chinese Loess Plateau

The late Quaternary temperature history on the Chinese Loess Plateau (CLP) is little known due to the absence of suitable paleothermometers. Here, we present a quantitative temperature record for the last 110kyr from Lantian county, southern CLP, based on the distributions of bacterial tetraethers. Lantian loess temperature variations display significant correlation with the Northern Hemisphere insolation (35°N) as well as the cave monsoon records at the precession band. We attribute such correlation to both the latent heat release from the East Asian summer monsoon and the direct influence of Sun's sensible heat over the semi-arid landscape. The long term cooling during the Marine Isotope Stage (MIS) 3 and the modest temperature drop of ~5°C from 79 to 65ka are best explained by interactions among multiple climate forcings including insolation, atmospheric CO2 concentration, global ice volume, and regional glacier activities. The cold and modestly wet climate during MIS 3 may have promoted maximum regional glacial advances, whereas the minimal temperature during local LGM reduced moisture transfer and led to glacial recession. The unusually early deglacial warming at ~22.5ka highlights the importance of regional climate records to decipher the complex continental climate dynamics.

Climate known: Other pollutants are cooling the planet

We pump all kinds of substances into the atmosphere. Some of them reflect the sun's heat back into space and so cool things down

A thermal physical index to explore current tectonic activity with satellite remote sensing

The use of satellite thermal infrared information is being developed as a method of exploring current tectonic activity. To realize real world application, an objective, stable and testable thermal physical index that is simultaneously related with tectonic activity must be established. From the viewpoint of the energy balance, the land surface is a boundary where energy is exchanged between outer space and the solid Earth. Regardless of how complex the influencing factors are, the land surface is mainly affected by the Sun, atmosphere and underground heat. In this paper, first, the relationships among land surface temperature, solar radiation, atmospheric temperature and thermal information from underground are obtained employing a mathematic physical method based on the equation of heat conduction and energy balance at the land surface. Second, a thermal physical index called the geothermal flux index (GFI), which can provide the activity state of underground heat, is constructed. Third, the theoretical basis of the thermal physical index is verified using stable annual variations in land surface temperature and solar radiation. Finally, combined with known crustal deformations derived using a global positioning system, the effectiveness of the GFI in extracting field tectonic motion is tested. The results indicate that the GFI is effective in providing information on current tectonic activity.