oxygen造句怎么写

"Sodium, potassium, silicon monoxide and then oxygen - either atomic or molecular oxygen - make up most of the atmosphere," Fegley said.

Photosynthesis is modulated by oxygen, and we have an oxygen-insensitive hydrogenase that we think will totally change this process.

water is composed of the elements hydrogen and oxygen.

Use oxygen-compatible threading compounds, such as Teflon tape, on systems for use in oxygen or oxidizer service.

When walking the calf muscles need more oxygen, but because the blood flow is restricted the muscles cannot obtain enough oxygen from the blood and cramp occurs.

The explosive mixture in a rocket consists of both a fuel and a supply of oxygen.

The wetland plays a crucial role in producing oxygen and purifying the air.

The opening allows blood that has given up nutrients and oxygen after traveling through the rest of the body to shunt into the left atrium, instead of going into the lungs to pick up more oxygen.

In spite of reduced respiration, oxygen levels in the blood of the mice did not change, suggesting that no part of the body was at risk of being starved of oxygen.

When this nitrogen reaches the sea it causes a brief frenzy of algal growth which depletes the water of oxygen.

Supplemental hydrogen is produced using a generator, specifically designed to extract the hydrogen and oxygen from the water.

Personnel, including rescue workers, should not enter areas where the oxygen concentration is below19.5%, unless provided with a self-contained breathing apparatus (SCBA) or airline respirator.

Objective: To observe the effects of inhaling liquid-oxygen on level of BLA and Ammo in human after exhaustive exercise in plateau.

"Distributive, from low Blood flow (e.g., generally in shock or locally in atherosclerosis); and histotoxic, from poisoning (e.g., with cyanide) that keeps cells from using oxygen."

"When exposed to air they absorb oxygen and polymerize (see polymerization), forming a tough coating. Some specialty oils and oil derivatives are also used in leather dressing and textile manufacture. "

Enriched in kiwifruit energy essence and active oxygen gene,bring moisturizing to the eye skin,enhance the blood micro-circulation to eye,de-toxine,release fatigue of the eye,remove wrinkle and eye tail line.

Water contains hydrogen and oxygen.

Water is composed of hydrogen and oxygen.

Oxygen sag — a point of low dissolved oxygen concentration generally located around effluent injection points.

The oxygen react vigorously with the impurity in the iron.

The others are carbon, oxygen, nitrogen, hydrogen and sulfur.

It would then ignite a liquid oxygen-methane rocket to push the vehicle to about 100km.

This is in your seat area and shows the brace position, exits, life jackets and oxygen.

The group measured the oxygen burned by five chimpanzees and four people as they walked on a treadmill.

If we take hydrogen peroxide in the liquid state, it can break down to form water and oxygen.

Here, delicate rings of colorful glowing gas (nitrogen-red, hydrogen-green, and oxygen-blue) outline the tenuous walls of the hourglass.

It was long believed you yawned when there was too much carbon dioxide and not enough oxygen in your blood. A part of your brain called the brain stem detected this and triggered the yawn reflex.

Carbon dioxide consists of carbon and oxygen.

For blends and colors, use an oxygen bleach.

The cause: Oxygen-rich blood is bright red, while blood with less oxygen turns dark and bluish-colored.

Using liquid hydrogen and oxygen in rockets will provide major advantages for landing astronauts on the moon.

Most upland crops such as corn and cotton cannot survive in soils that are water-saturated because of the greatly reduced oxygen content.

carbon-nitrogen-oxygen cycle

Fournier's gondola will be sealed, pressurized and equipped with oxygen.

So, we can say that -- if we have neon here and we want to think about what's isoelectronic, -- f minus would be isoelectronic. We also have oxygen -- what would the charge on oxygen be?

Check oxygen concentration by a refractometer.

Your body makes three types of blood cells - white blood cells to fight infection, platelets to help your blood clot and red blood cells to carry oxygen throughout your body.

The initial thrust is provided by the nine-engine cluster, fuelled by kerosene and liquid oxygen.