Graphite Crucibles/High Heat Conduction CNBM

Graphite Crucibles/High Heat Conduction CNBM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 0 m.t.

Supply Capability:: 100000 m.t./month

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Packaging & Delivery

Packaging Details:	in plywood cases with foam inside for protection
Delivery Detail:	in 15~20 days since order confirmed

Features

1. SIC graphite crucible
2. high pure and density
3. high strength crucible
4. ISO 9001
5. high heat condduction

Specification

Bulk Density	g/cc	1.70-1.88
Specific Resistance	μΩ.m	6.0-15.0
Compressive Strength	MPa	30-80
Bending Strength	MPa	20-45
Shore hardness		30-70
C.T.E.(100-600°C)	x10-6 /°C	2.5-5.5
Ash	%	0.01-0.2
Maximum Grain Size	mm	0.044-0

Pciture

Graphite Crucibles/High Heat Conduction CNBM

Q: I don't know the battery. Although I know the former is chemical energy, I want to know if the 1 grain size 5 can compare the charge capacity with the 1 grain 5 1ANot much of a fortune, but thank you very much for the enthusiastic friend who gave me the answer. Thank you!: Note:The above parameter is the mean under the condition that no virtual object is includedAA's battery is size five (diameter 14mm, height 50mm)According to your description, what you mean by "capacitance" is power, which is the actual amount of electricity in the battery.Correct you a misunderstanding, that is, whether it is a one-time battery or lithium battery, rechargeable batteries (nickel hydrogen) are chemical batteries.AA disposable lithium iron batteries have made us resistant and energizer L91, prices in the 2-30 yuan a day before, regardless of the brand and price, the actual consumption of almost all.Hand hit, reference material is "flashlight everybody talks about" Forum

Q: How is carbon used in the production of carbon nanomaterials?: Carbon is essential in creating carbon nanomaterials due to its role as the foundation for their distinct structure and properties. Various techniques are employed to manufacture carbon nanomaterials, including carbon nanotubes and graphene, all of which rely on manipulating and organizing carbon atoms. One commonly used method for producing carbon nanomaterials is chemical vapor deposition (CVD). In this process, a carbon-containing gas, such as methane or ethylene, is introduced into a high-temperature furnace. Within the furnace, the gas decomposes, releasing carbon atoms. Subsequently, these carbon atoms reform and create nanoscale structures, like carbon nanotubes or graphene, on a substrate or catalyst material. Another approach involves vaporizing carbon-containing compounds, such as carbon black or graphite, through techniques like laser ablation or arc discharge. The vaporized carbon then undergoes condensation and solidification, resulting in carbon nanomaterials with specific structures and properties. Both methods allow for precise manipulation of carbon atoms by controlling temperature, pressure, and the presence of catalysts or additives. This manipulation leads to the desired carbon nanomaterials, which possess exceptional mechanical, electrical, and thermal properties due to the unique arrangement of carbon atoms, such as the hexagonal lattice structure of graphene or the cylindrical structure of carbon nanotubes. In conclusion, carbon is a crucial element in carbon nanomaterial production, providing the necessary atoms and influencing their structure and properties. Understanding and controlling carbon's behavior at the atomic level empower scientists and engineers to develop nanomaterials with diverse applications, ranging from electronics and energy storage to medicine and environmental remediation.

Q: How does carbon affect the formation of acid rain?: Carbon does not directly affect the formation of acid rain. Acid rain is primarily caused by the emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) from the burning of fossil fuels, such as coal and oil. However, carbon dioxide (CO2) emissions, which are also released from burning fossil fuels, contribute to climate change and indirectly affect the formation of acid rain. The increased levels of carbon dioxide in the atmosphere trap heat, leading to global warming. This, in turn, alters weather patterns and increases the frequency and intensity of extreme weather events. These changes can enhance the formation of acid rain by altering the dispersion patterns of sulfur dioxide and nitrogen oxides. Additionally, the combustion of fossil fuels that release carbon dioxide also releases sulfur dioxide and nitrogen oxides as byproducts. These gases can be converted into sulfuric acid and nitric acid respectively when they react with water, oxygen, and other chemicals in the atmosphere. The increased combustion of fossil fuels due to higher carbon dioxide emissions can result in more sulfur dioxide and nitrogen oxides being released into the atmosphere, exacerbating the formation of acid rain. Therefore, while carbon dioxide itself does not directly contribute to the formation of acid rain, its emissions indirectly contribute to the conditions that lead to acid rain by amplifying the release and dispersion of sulfur dioxide and nitrogen oxides. Reducing carbon dioxide emissions, along with sulfur dioxide and nitrogen oxide emissions, is crucial in mitigating the formation of acid rain and its harmful effects on the environment and human health.

Q: How does carbon impact the availability of clean transportation?: The contribution of carbon to greenhouse gas emissions affects the availability of clean transportation. Carbon dioxide (CO2) is a significant greenhouse gas that is responsible for climate change. When fossil fuels are burned in traditional transportation systems, they release large amounts of CO2 into the atmosphere. As a result, there is an urgent need for cleaner alternatives in the transportation sector. Clean transportation options, such as electric vehicles (EVs) and hydrogen fuel cell vehicles, have been designed to minimize carbon emissions. These vehicles use electricity or hydrogen as their primary source of energy, resulting in zero tailpipe emissions. This greatly reduces the carbon footprint associated with transportation. However, the availability and adoption of these clean transportation solutions are directly influenced by carbon-related factors. One important factor is the energy infrastructure required to support clean transportation. Electric vehicles, for instance, depend on charging stations and a reliable power grid. It is crucial to produce clean electricity from renewable sources like solar and wind to ensure that EVs are truly emission-free. Therefore, the carbon intensity of the electricity grid plays a crucial role in determining the environmental impact of electric transportation. Moreover, the availability of carbon-neutral fuels is another significant aspect. Hydrogen fuel cell vehicles, which use hydrogen to generate electricity, require a readily available and sustainable source of hydrogen. Currently, most hydrogen is produced from natural gas, which emits CO2 during the production process. However, advancements in technologies like electrolysis, which uses renewable electricity to produce hydrogen, are making way for carbon-free hydrogen production. Additionally, carbon pricing and policies also influence the availability of clean transportation. Governments and organizations incentivize the adoption of low-carbon transportation options by placing a price on carbon emissions. This can lead to increased investments in clean transportation infrastructure, research, and development, ultimately making clean transportation solutions more available and affordable. In conclusion, the emissions of carbon from traditional transportation systems have necessitated the development and availability of clean transportation alternatives. Factors such as energy infrastructure, availability of carbon-neutral fuels, and supportive policies all impact the availability and accessibility of clean transportation. By addressing carbon impacts, we can expedite the transition to a more sustainable and environmentally-friendly transportation system.

Q: What are the effects of carbon emissions on the stability of estuaries?: Carbon emissions have significant effects on the stability of estuaries. Estuaries are highly productive and diverse ecosystems that serve as a crucial habitat for numerous species, including fish, birds, and other wildlife. However, excessive carbon emissions, primarily in the form of carbon dioxide (CO2), contribute to climate change and ocean acidification, which in turn have detrimental effects on estuaries. One of the most prominent effects of carbon emissions on estuaries is the rise in sea levels. As global temperatures increase due to carbon emissions, glaciers and ice caps melt, leading to a rise in sea levels. Estuaries, being low-lying areas where rivers meet the sea, are particularly vulnerable to this sea-level rise. Higher water levels can result in increased flooding, erosion, and saltwater intrusion into freshwater systems within estuaries, impacting the overall stability of these ecosystems. Moreover, the increased concentration of CO2 in the atmosphere leads to ocean acidification. When CO2 dissolves in seawater, it reacts with water to form carbonic acid, which lowers the pH of the water. This acidification has detrimental effects on the marine life within estuaries, including shellfish, oysters, and other organisms with calcium carbonate shells. The acidity makes it more difficult for these organisms to build and maintain their shells, leading to reduced populations and biodiversity within estuaries. Additionally, climate change caused by carbon emissions alters the temperature and precipitation patterns in estuaries, affecting the balance of salinity and freshwater influx. Estuaries rely on a delicate balance of saltwater and freshwater to support their unique ecosystems. Changes in temperature and precipitation can disrupt this balance, leading to significant shifts in species composition and distribution. Some species may struggle to adapt to these changes, while invasive species may thrive, further altering the stability and integrity of estuarine ecosystems. Overall, the effects of carbon emissions on the stability of estuaries are profound and multifaceted. Rising sea levels, ocean acidification, and climate-induced changes in salinity and freshwater availability all contribute to the degradation of estuaries and the loss of biodiversity. It is crucial to reduce carbon emissions and mitigate climate change to protect and preserve these vital ecosystems for future generations.

Q: What are the impacts of carbon emissions on natural disasters?: Carbon emissions have a significant impact on natural disasters, exacerbating their intensity and frequency. One of the most prominent effects of carbon emissions is the contribution to global warming and climate change. As carbon dioxide and other greenhouse gases accumulate in the atmosphere, they trap heat and cause the Earth's temperature to rise. This rising temperature leads to various changes in weather patterns, which in turn increase the likelihood and severity of natural disasters. One of the most obvious impacts of carbon emissions on natural disasters is the intensification of hurricanes and tropical storms. Warmer ocean temperatures provide more energy for these storms, making them stronger and more destructive. Additionally, increased evaporation due to higher temperatures leads to heavier rainfall during storms, increasing the risk of flooding and landslides. Carbon emissions also contribute to the melting of glaciers and polar ice caps, leading to rising sea levels. This rise in sea levels increases the vulnerability of coastal areas to storm surges and flooding during hurricanes and typhoons. Low-lying regions and island nations are particularly at risk, as they face the possibility of losing their land to rising waters. Furthermore, carbon emissions play a role in the occurrence and severity of wildfires. As temperatures rise, vegetation becomes drier, creating ideal conditions for wildfires to ignite and spread quickly. These wildfires can devastate vast areas of land, destroying ecosystems, homes, and livelihoods. Another impact of carbon emissions on natural disasters is the disruption of weather patterns. Climate change is altering rainfall patterns, leading to longer and more severe droughts in some regions, while others experience more frequent and intense rainfall events. These changes in precipitation patterns can result in prolonged droughts, water scarcity, and increased risk of wildfires in some areas, while others face increased flooding and landslides. In conclusion, carbon emissions have a profound impact on natural disasters. They contribute to global warming and climate change, intensifying hurricanes, increasing the risk of flooding, raising sea levels, fueling wildfires, and disrupting weather patterns. It is crucial to reduce carbon emissions and transition to clean and sustainable energy sources to mitigate these impacts and protect our planet from the devastating effects of natural disasters.

Q: How is carbon used in the production of solar cells?: Carbon is not typically used in the production of solar cells as a primary material. However, carbon-based materials such as carbon nanotubes or graphene may be used as conductive additives or in electrode materials to enhance the efficiency and performance of solar cells.

Q: How is carbon used in the agricultural industry?: Carbon is widely used in the agricultural industry for various purposes. One of the main uses of carbon in agriculture is as a soil amendment. Adding carbon-rich organic matter, such as compost or manure, to the soil improves its structure, fertility, and overall health. This is because carbon helps to increase the soil's ability to retain moisture, nutrients, and beneficial microorganisms, which are essential for plant growth. In addition to soil amendment, carbon is also used in the form of carbon dioxide (CO2) for greenhouse enrichment. In controlled environments like greenhouses, plants require a higher concentration of CO2 to enhance their growth and productivity. Carbon dioxide is released into the greenhouse to maintain optimal levels, which promotes photosynthesis and accelerates plant growth. Moreover, carbon-based fertilizers are commonly used in agriculture. These fertilizers, such as urea or ammonium nitrate, provide essential nutrients to crops and enhance their productivity. Carbon is an integral component of these fertilizers, aiding in the controlled release of nutrients and their effective uptake by plants. Furthermore, carbon is utilized in the production of pesticides and herbicides. Many of these agricultural chemicals contain carbon compounds that are specifically designed to target and control pests, diseases, and weeds that can harm crops. Carbon-based chemicals are often used because of their effectiveness and ability to break down naturally without causing long-term harm to the environment. Overall, carbon plays a crucial role in the agricultural industry by improving soil fertility, enhancing plant growth, and aiding in pest control. Its versatile applications make it an essential resource for sustainable and efficient farming practices.

Q: What are the effects of carbon emissions on the stability of wetlands?: Carbon emissions have significant effects on the stability of wetlands. Increased carbon emissions contribute to global warming, causing rising temperatures and altered precipitation patterns, which in turn lead to changes in the hydrological cycle. These changes impact the water balance and distribution within wetland ecosystems, potentially resulting in increased drying and loss of water-dependent vegetation. Additionally, carbon emissions can lead to increased acidity in wetland waters, which can harm aquatic life and disrupt the delicate balance of the ecosystem. Overall, carbon emissions pose a significant threat to wetlands, jeopardizing their stability and the many benefits they provide, such as water filtration, carbon sequestration, and habitat for diverse plant and animal species.

Q: How is carbon used in the water treatment process?: Carbon is used in the water treatment process as a highly effective adsorbent to remove organic compounds, chemicals, and impurities from water. It acts as a filter by trapping contaminants on its surface, improving the taste and odor of water and making it safe for consumption.

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