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- Hydrogen gas is extremely flammable. 氫氣是特別易燃的氣體。
- What chemical is used in the hydrogen gas dryer? 氫氣乾燥器里用的是什麼化學藥品?
- Discovery originally was supposed to lift off Feb. 12, but NASA ordered extra tests for the valves that control the flow of hydrogen gas into the fuel tank. 發現號原計劃於2月12日升空，但美國宇航局下令對控制氫氣流進入燃料箱的閥門進行額外的測試。
- Saturday morning's launch was scrubbed due to a hydrogen gas leak. 由於氫氣泄漏，周六早晨的發射計劃被迫取消。
- Pure hydrogen gas is used in large electric generators to cool the coils. 純氫被用於大型發電機線圈的冷卻。
- An external jolt of electricity helps generate hydrogen gas at the cathode. 在外部電流下能在陰極處產生出氫氣。
- ITM Power's Ford Focus burns hydrogen gas in a conventional petrol engine. 氫氣製造公司所生產的車種，則使用氫氣啟動汽油引擎。
- It is still unknown which star or stars ionize the red-glowing hydrogen gas. 到底是哪顆或哪些恆星電離了泛著紅光的氫氣，我們還不得而知。
- The hydrogen gas can be used as fuel in adapted petrol-engined vehicles. 氫氣可以當作燃料，而且適用於汽油引擎車輛。
- It is key for gas purity system that the steadying-go operation of ammonia absorption refrigeration.This article explains the technology ways. 氨吸收製冷精餾系統的穩定操作是煤氣凈化系統的關鍵,本文只對低壓精餾技改前後的技術方法作了詳細闡述。
- The principle and operation status of pressure swing adsorption nitrogen units and the influential factors on nitrogen gas purity was introduced. 介紹了變壓吸附制氮機組的工作原理、影響氮氣純度的因素以及運行狀況。
- The tadpole-looking feature in the center of this image is a nodule of cold hydrogen gas laced with dust. 在圖像中心蝌蚪狀的結構是一個混和塵埃的冷氫雲。
- The principle, equipment, processing of preparing the multi-component standard gas by gravimetric method andthe analyzing method for gas purity were introduced. 介紹重量法製備標準混合氣體的原理、裝置、製備過程,以及標準混合氣體組分純度的分析方法。
- Before that time, a haze of neutral hydrogen gas shrouded these first beacons in the infant cosmos. 再往前推進，則是一團團中性氫氣所形成的薄霧，包裹著早期宇宙中第一批誕生的恆星。
- But they were still blown about by the wind. The hydrogen gas was dangerous,too. It caught fire very easily. 但是，他們仍然要任風來擺布，而且，氫氣也有危險性，非常容易著火。
- In the laboratory, small amounts of hydrogen gas may be made by the reaction of calcium hydride with water. 實驗室中製取少量的氫氣,可以用氫化鈣跟水反應。
- At the center of the cloud, a hot, dense sphere of Hydrogen gas held together by gravitation began to radiate. 在雲彩的中心,氫氣熱,密集的球形由萬有引力相連開始放熱。
- The Hydrogen gas is usually the first type of gas consumed in a star and then other gas elements such as Carbon, Oxygen, and Helium are consumed. 最早被燃燒的恆星氣體通常是氫氣，隨即開始消耗其它氣體元素，如碳、氧和氦。
- The atmosphere in areas in which hydrogen gas may be vented and might collect should be tested with a portable or continuous flammable gas analyzer. 用攜帶型或連續可燃氣體分析儀來監測特定區域的空氣，這些區域包括氫氣排放口和氫容易積聚的地方。
- The problem is that AlH_3 molecule is easier to dissociate and produce hydrogen gas. 問題在於AlH3易於部分離解出氫氣;導致發生化學變質.
