The gelatin solution has required _________.
A: viscosity
B: temperature
C: moisture
D: humidity
A: viscosity
B: temperature
C: moisture
D: humidity
A
举一反三
- The main natural factor affecting the prevalence of parasitic diseases is () A: temperature and humidity B: Only related to humidity C: independent of temperature D: It has nothing to do with rainfall
- The gel formed by methyl cellulose and gelatin can form a gel at a high temperature or a low temperature and is in the form of a solution at a medium temperature, which is called. A: concave gel B: convex gel C: hot gel D: cold gel
- Before the pin bars are dipped into the gelatin solution, the gelatin is distributed evenly around the pins.
- What is the procedure of preparing the mixture?1)Put the carrageenan solution in a 55-60 degrees Celsius water bath.2)Incubate at 55 degrees Celsius in the dark.3)Dissolved a certain amount of gelatin and carrageenan with KCl solution in water bath.4)Add a certain amount of TG enzyme to the dissolved gelatin solution while cooling.5)Mix the gelatin solution and the carrageenan solution. A: 32154 B: 13524 C: 31452 D: 13254
- An EOS relates volume （or density） to （ ）。 A: temperature B: velocity C: pressure D: viscosity
内容
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Increasing the temperature of a fuel will ____ its viscosity, and vice-versa. A: increase B: not change C: reduce D: add
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When the moisture content of food is equal, the higher the temperature, the greater the water activity.
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I am sure Mary has been here and （） A: did what required her B: has done what required her C: has done what was required of her D: did what has been required of her
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1. The manifestation of global warming contains glacier melting, sea level rising and increase .(humidity / temperature)
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A gar is superior to gelatin as a solidifying agent because agar ( ). A: does not melt at room temperature B: solidifies at 75℃ C: is not usually decomposed by microorganisms D: both a and c