Measures were taken to prevent welding cold cracking such as improve welding technology by decreasing cooling speed and adopting low-hydrogen electrode, etc.

通过改进焊接工艺来降低冷却速度和采用低氢型焊条等措施来控制焊接冷裂纹的产生。

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Inertinite includes fusinite (fossil charcoal), sclerotinite derived from fungal remains, and other high-carbon materials with a low-hydrogen content and a high reflectance.

惰质组包括丝质体(化石木炭)、源自真菌残体的菌类体，以及含氢低、高反射率的其他高碳物质。

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There are just two hydrogen atoms per cubic centimeter on average in space, which poses no threat to spaceships traveling at low speeds.

太空中平均每立方厘米只有两个氢原子，这对低速飞行的宇宙飞船不构成威胁。

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Sunday flight east, he called his girlfriend, who recommended he give Sierra some low-concentration hydrogen peroxide solution, which many recognize as a safe way to get a dog to vomit.

CNN: 'Hungry dog' eats, vomits up treasured Masters tickets

That means that low-temperature waste heat can be used to produce high-quality chemical energy hydrogen for the first time.

FORBES: Could Hydrogen Breakthrough Revive The Fuel-Cell Car?

Warren Zapol, of the Massachusetts General Hospital and a professor of anaesthesia at Harvard Medical School, along with his colleagues, monitored the vital signs of mice exposed to low-dosages (80 parts per million) of hydrogen sulphide for several hours.

ECONOMIST: Researchers find hydrogen sulphide can lower metabolism