Cooling properties

Different lasers use different materials as the active medium. The medium can be either solid, liquid, or gas, and there are advantages for each in the amount of energy that can be stored, ease of handling and storage, secondary safety hazards, cooling properties, and physical characteristics of the laser output. 

However, its cooling properties can be utilized when other materials are added to improve machining performance. One of the most common water-based cutting fluids is the so-called soluble oil, which, in fact, is not a true solution but an oiTin-water emulsion in which very fine droplets of oil are suspended in water. Such a fluid has very effective cooling power and the petroleum oil and its additives provide its lubricating and protective properties. 

The resolution of DL-menthol is important industrially. L-Menthol has a mint taste and gives a cooling sensation. It finds use in a number of important products including toothpaste and confectionary. D-Menthol does not have the same taste nor the same cooling properties. DL-menthol can be produced relatively simply using a variety of chemical routes. 

An ingeneous method to circumvent this problem was first devised by Zewail and colleagues, who took advantage of the vibrational and rotational cooling properties and collision-free conditions of the supersonic... 

In systems where the propellants are used for thrust chamber cooling, properties related to heat transfer are important. Candidate propellants should have high specific heats, high thermal conductivities, high boiling points, high decomposition temperatures, etc. 

Optical Activity One cool property of chiral molecules is optical activity. Enantiomers of a chiral molecule interact with polarized light, but one enantiomer tilts the polarization in one direction, while the other enantiomer tilts it in the opposite direction. This phenomenon is called optical activity. 

Poirier, D. 2003. Drying and cooling properties. In Petfood Technology, eds. l.L. Kvamme and T.D. Phillips, pp. 366-369. Monnt Morris, IL Watt Pnblishing. 

Classification of Processed Cheese Products Manufacturing Protocol Principles of Manufacture of Processed Cheese Structure Formation on Cooling Properties of Emulsifying Salts... 

For sports that have intermittent exposure to heat and cold, thermal buffers may be appropriate (Shim et ah, 2001). Some ski jackets are equipped with phase change materials that absorb body heat when liquidized and transfer heat to the body when the materials become solid. Although the effects are currently minimal in magnitude for a certain weight, new materials may have better cooling properties (Mondal, 2008). 

A distinction for coolants is drawn between non-water-miscible (base oils with and without additives) and water-miscible coolants (oil in water emulsions or solutions). In general non-water-miscible coolants have much better lubricating properties than water-miscible coolants but comparatively bad cooling properties. Water-miscible coolants have opposite qualities. The support of coolant to the area of contact has to be set up for every specific grinding task with the right quantity,... 

Water is the cheapest cooling medium, but it is unsuitable by itself, mainly because it rusts ferrous metals. In soluble oils, or more correctly emulsifiable oils, the excellent cooling property of water is combined with the lubricating and protective qualities of mineral oil. Oil... 

Performance testing may examine absorbency thermal or cooling properties crease resistance and the drape and handle, or the feel of the cloth as soft, crisp, etc. Use of a binder to secure the dyestuff can affect the fabric handle. 

In museum laboratories and workshops the fuels are most likely to be ordinary combustible materials (paper, wood, etc.) and highly flammable liquids, so that protection is required for general and special risks. For general fire protection water is by far the most effective, since it has excellent cooling properties and can penetrate to... 

---