Sentences with phrase «by heating»

This can be done by heating the material and letting the evolving water vapour condense in a cool container.

Around 1300 painters began using lead - tin yellow, a pigment formed by heating lead and tin oxides in a crucible to tremendously high temperatures; chemists could control the hue by varying the temperature.

My memory is that coal was «destructively distilled» by heating it in the absence of air.

High intensity, focused ultrasound can damage tissue by heating and cavitation, and has been used to ablate tumors and other lesions.

This technique increases the permeability of the skin by heating and removing the first skin layer, the stratum corneum (SC).

At present, miners retrieve gold from the amalgam by heating it and letting the mercury burn off.

The Illinois researchers coat their glass fibres with phenolic resins and «activate» them by heating them to between 400 °C and 800 °C.

Then they dissolved the silica spheres with hydrofluoric acid, leaving just the newly built phenol resin walls, which were transformed into a pure carbon structure by heating up to 1000oC.

They could be operated in «ambient» mode with lower power constraints, by sniffing whatever is nearby, or by heating up any residual material that found its way into the ovens.

Rather than a bottom - up approach, the researchers worked their way down from bulk gallium by heating it to 29.7 degrees Celsius (about 85 degrees Fahrenheit), just below the element's melting point.

Hydrogen gas is produced primarily by heating natural gas and water vapor.

«We also simulated quartz's vitrification by heating and quickly quenching the atoms,» Bauchy said.

Another theory by James Roberts of the Johns Hopkins Applied Physics Lab in Laurel, Md., suggests a large impact could have shut down the dynamo by heating the outermost core, which would have kept it from sinking.

Hydrogen atoms which diffuse inside the cages only bond weakly to them, so the gas can be recovered simply by heating the material slightly.

E-cigarettes deliver a nicotine - containing aerosol popularly called «vapor» to users by heating a solution commonly consisting of glycerin, nicotine and flavoring agents.

By heating and jostling the permafrost, the researchers have now managed to extract significant amounts of methane — the primary component of natural gas — from the field.

The devices create a vapour by heating a chemical solution of propylene glycol, flavouring agents and sometimes nicotine.

Geneticists make these copies by heating double - stranded DNA, causing it to separate; enzymes then build new double - strands from each half.

Sunlight has sharpened the contrast on Iapetus by heating the dark areas so that any ice sublimates away.

The molecule gets rid of some of the absorbed energy by heating up the material around it, and this generates a pressure wave.

«Used in cancer therapy, this process could increase the impact of a treatment by heating the cancer cells while introducing the drug compound into the tumor.»

Most spacecraft today are propelled by heating the reaction mass and allowing it to flow out the back of the vehicle.

In 1841, Eugène - Melchior Péligot, Professor of Analytical Chemistry at the Conservatoire National des Arts et Métiers (Central School of Arts and Manufactures) in Paris, isolated the first sample of uranium metal by heating uranium tetrachloride with potassium.

Pasteurization slows the growth of bacteria by heating the milk to a certain temperature and then cooling it.

Sources: American Family Physician — Latex Allergy Latex - Fruit Syndrome and Class 2 Food Allergy Class I chitinases, the panallergens responsible for the latex - fruit syndrome, are induced by ethylene treatment and inactivated by heating

Cow's milk is processed into formula by heating and other methods that make the animal proteins in the milk more digestible.

However, it is important that you properly set up this monitor, so that it does not give any false alarms instigated by the heating systems or the air conditioner.

Bring the steam in your bathroom by heating up the shower.

It is treated by heating and other methods to make the protein more digestible.

Also, formula is thicker than water, which reduces the development of convection on short timescales (viscous inertia); you can verify this by heating a bowl of canned cream - style soup in a Pyrex cup.

Warm mist humidifiers work by heating water and cooling it down to a preset temperature, and they help asthmatics by increasing the humidity at a constant temperature.

Vaporizers and warm - mist humidifiers work by heating water to regulate humidity levels.

If you aren't an experienced cook, start by heating things up, or combining foods in no cook meals.

The process of sterilizing bottles (removing all microbial growth, typically by heating or boiling) dates back to when safe water supplies were not standard in this country and is a largely antiquated practice now.

If you don't have one of those (I'm a serious coffee fanatic, so of course I do), you can get the same result by heating up the milk in a small sauce pan and using a wire whisk to froth the top.

Just remember not to shock the vitamins and minerals out of it by heating it too quickly, and always remember to gently swirl and test it before offering it to your cutie pie.

However, newly expressed milk can be stored by heating the milk to a scald to inactivate the lipase and stop the process of fat digestion.

Popping candy is made by heating the ingredients and then exposing to Carbon Dioxide (a gas) at very high pressures before allowing to cool.

Start your Healthy Sauté by heating 1 TBS of broth in a stainless steel skillet over medium heat.

First I thought that my yeast was bad, or that I had killed it by heating the liquid too much.

Then, make a chocolate ganache by heating heavy cream and melting dark chocolate together and drizzle it over the top.

While waiting for everything to grill, soften the tortillas by heating some oil in a saute pan on the stove.

Create a simple syrup by heating the water, lemon juice and 1/2 cup of sugar in a microwave safe bowl for 40 seconds or until sugar is dissolved.

Start by heating your oven to 400 F.

Flash means — ultra-pasteurization is the sterilization of food by heating it for an extremely short period, around 1 — 2 seconds, at a temperature exceeding 135 °C (275 °F).

If serving Hủ Tiếu Khô (dry noodles), prepare the accompanying sauce by heating the oil over medium low in a small saucepan.

Melt cacao into liquid by heating water in a saucepan on the stove and place another bowl on top with the cacao butter in it.

At this point, be sure to adjust any flavors to your taste, then warm the dip using a small crock pot, or by heating it gently over a stove top.

Start by heating a small skillet (to make one large pancake) or a large skillet (to make about 8 small - medium pancakes) over medium heat.

Step # 1: Begin by heating up coconut butter until it is smooth and creamy.