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Can dry heat kill spores?
Yes, dry heat can kill spores at high temperatures over a period of time. Spores are more resistant to heat compared to other forms of microorganisms, so longer exposure to high heat is required for effective sterilization.
Why bacillus cereus more heat resistant than aspergillus Niger?
Even though they both contained spores, I believe the reason why A. Niger is less heat resistant is because it is a fungus and in the domain eukaryota. Therefore, it needs a level of humidity in the air to produce molds; an ability of most members of the fungi species. B cereus is a facultative anaerobe, and its bacterial growth generally occurs around 10-50 degrees celsius. While, a. Niger maximum temperature is around 40 degrees celsius.
Is travertine stone heat resistant?
Yes, travertine is heat resistant, especially travertine pavers, meaning it won't burn your feet in hot summer days. If you choose to go with a very dark color of travertine paver you may feel some heat on your feet.For more benefits of travertine pavers visit:http://travertinemart.com/why_stone_pavers_.html
What is weather resistant metamorphic rock?
Weather resistant metamorphic rocks, such as quartzite and marble, are rocks that have undergone intense heat and pressure to form their structure. These rocks tend to be more resistant to weathering and erosion compared to other types of rocks, making them suitable for outdoor use in construction and landscaping.
What is the difference of plastic and glass funnels?
Plastic funnels are typically more affordable, lightweight, and resistant to breaking compared to glass funnels. Glass funnels are more durable, heat-resistant, and chemically inert, making them suitable for use with a wider range of substances. Glass funnels are also easier to clean and do not retain odors or flavors like plastic funnels can.
Why is B Cerus more heat resistant than A Niger?
B. cereus is a spore former. Spores are known for their very high heat resistant qualities.
Why are Aerobic and anaerobic bacterial spore former more heat resistant than tubercle bacillus?
Aerobic and anaerobic bacterial spore formers have specialized structures called endospores that protect their genetic material from harsh conditions like heat. These endospores are highly resistant to heat, making the bacteria more heat-resistant overall. In contrast, the tubercle bacillus (Mycobacterium tuberculosis) lacks such protective structures, making it less heat-resistant than spore-forming bacteria.
Why are some microorganisms more heat resistant than others?
Microorganisms have different heat resistance levels due to variations in their genetic makeup. Some microorganisms have developed heat-resistant structures or proteins that protect them from high temperatures. Additionally, certain microorganisms may produce spores or biofilms that provide protection during exposure to heat.
How can ordinary glass be made heat-resistant?
Ordinary glass can be made heat-resistant by adding certain compounds such as boron or alumina during the manufacturing process. These compounds help to strengthen the molecular structure of the glass, making it more resistant to thermal shock. Additionally, the glass can be treated with a special coating or undergo a tempering process to enhance its heat resistance.
What is HR glass?
HR means heat resistant - if if find any more info ill post
Is the higher the R-value of insulation the less resistant to heat flow?
No, this statement is inaccurate. The higher the R-value of insulation, the more resistant it is to heat flow. R-value measures the effectiveness of insulation in resisting heat transfer, with higher values indicating better insulation properties.
Which is stronger - steel or wood beams when it comes to fire and heat resistance?
Steel is inherently more flame resistant.
Why do aerobic and anaerobic bacterial spore-formers more heat resistant than the tubercle bacillus?
because u structure has more - between carbono
Is clay grainy?
It can be. The grain is called grog, and it helps make the fired clay stronger and more resistant heat stress.
What is the most heat resistant element?
Hafnium carbide with the melting point of 3900 0C. For a ternary compound: tantalum hafnium carbide with the melting point of 4215 0C.
How many heat resistant tiles would fit on a space shuttle?
More than 20,000 tiles fit on a space shuttle.
What is high heat of evaporation?
High heat of evaporation refers to the amount of energy required to convert a liquid into a gas at its boiling point. Substances with a high heat of evaporation require more heat input to change their state, making them more resistant to vaporization. Water is a notable example of a substance with a high heat of evaporation.
