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Further analysis suggested the H77E mutant as the most stable which increased the affinity of the enzyme for calcium ion and its optimum temperature …

As shown in Table 6, the amount of PHB accumulation from Bacillus strains can wildly vary from 17% to 89% of its dry cell weight, depending on the type and …

For example, if you have your temperature controller setup for Type S input but attach a Type B thermocouple sensor it would display an incorrect temperature and lead you to believe your sensor was faulty. You will need to make sure the input selected on the controller matches the type of thermocouple or resistance thermometer connected to it ...

The triple point of water is 273.16 K, and that is an international standard temperature point. The freezing point of water at one atmosphere pressure, 0.00°C, is 0.01K below that at 273.15 K. If you want to be really precise about it, the boiling point is 373.125 K, or 99.975 °C relative to the standard pressure freezing point.

concrete is important, the water used for curing by pond-ing or immersion must be free of substances that will stain or discolor the concrete. The material used for dikes may also discolor the concrete. Fogging and Sprinkling Fogging (Fig.) and sprinkling with water are excellent methods of curing when the ambient temperature is well

Polymer viscosity is affected by water salinity and divalent ions such as calcium (Ca 2+) and magnesium (Mg 2+ ), which decrease the viscosity of the polymer solution. As the salinity increases, the distance between the polymer chain and the molecules decreases. The repulsive forces are shielded by a double layer of electrolytes when salt is ...

surface equipment. Most scale found in oil fields forms either by direct precipitation from the water that occurs naturally in reservoir rocks, or as a result of produced water becoming oversaturated with scale components when two incompatible waters meet downhole. Whenever an oil or gas well produces water, or water injec-

Add about 0.01 ml of heated sample (15 min in boiling water bath) of broth cultures used for coagulase test to well on prepared slide. Incubate slides in moist chamber 4 h at°C.

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An important point to underline is that the sterilization of bacteria may lead to an increase in the pyrogenic character of the surface. In the experiment presented in Fig. 6.12, 10 6 bacteria (Staphylococcus aureus) were sprayed into two-well chamber slides (tested to be pyrogen-free beforehand) and were allowed to dry.After plasma treatment, the CFU was evaluated together …

4, potash, soda ash, salt, gold and aggregate industries throughout the world. Goulds Pumps and Rheinhütte Pumpen offers the widest range of rubber-lined and metal corrosion/abrasion-resistant slurry pumps in the industry, including vertical, horizontal and submersible designs for

1.3.5.4 Thermophiles. Thermophiles are those organisms which grow above 40 °C, and which have optimal growth temperatures between 50 and 55 °C ( Gleeson et al., 2013 ). One group of thermophiles—the PTS—have been described above, and so will not be dealt with here; thermophilic thermoduric organisms have been mentioned immediately above.

Hydrogen Peroxide, 28%. Limited Resistance (Short Time Compatibility) Iodine. Resistant (Compatible) Isopropyl Alcohol, to 50%. Limited Resistance (Short Time Compatibility) Lactic Acid, to 80%. Limited Resistance (Short Time Compatibility) Magnesium Chloride.

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The main aim of this book is to provide complete guide on meat, fish and poultry processing. Owing to the wide variety of products and type of processes and treatments (curing, dry curing, fermentation, cooking smoking etc), this products need particular analytical methodologies for proper consumption.

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Nov 07, 2018 · The surface effect produced by most direct chemical attacks (e.g., as by an acid) is a uniform etching of the metal. On a polished surface, this type of corrosion is first seen as a general dulling of the surface and, if allowed to continue, the surface becomes rough and possibly frosted in appearance.