The researchers used what's called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.
研究人员利用所谓的离子显微镜来比较月球岩石中正常的氢元素含量及同位素氘的含量,元素氘比氢多带一个中子。
The researchers used what’s called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.
科学家用到了一种叫离子显微镜的仪器,来比较月球岩石上氢的含量与重氢含量(重氢比普通氢多带有一个中子)。
Hydrogen peroxide powers the arm for 18 hours of normal activity.
过氧化氢提供的能量可以支持义肢18个小时的正常使用。
Better still, the coal can be reacted with water to produce a mixture of CO2 and hydrogen in which the carbon dioxide is much more concentrated than in normal flue gas, so it is easier to scrub out.
更好的方法是使煤和水发生反应,产生一种二氧化碳和氢气的混合物。在这种混合物中二氧化碳含量比一般电厂废气中的更高,所以更容易分离。
This week a German carmaker, BMW, revealed an alternative approach: an otherwise normal saloon car that can run with a hydrogen-powered internal-combustion engine.
在本周,德国汽车制造商宝马公司发布了一个可供选择的途径,除了通常的汽油引擎外,人们还可以选择同时带有以氢为燃料的内燃机轿车。
The researchers observed the difference between having 10 mice imbibing water with a high volume of dissolved hydrogen and 10 drinking normal water.
研究人员发现10只饮用溶解有高浓度氢的水的老鼠同另10只喝普通水的老鼠之间存在差异。
The performance after ECU reset is normal and after around 100km, the ECU starts to catch up the new reading due to E-Gas hydrogen output and gives better performance for the car.
欧洲货币单位后的表现是正常的复位和100公里左右后,欧洲货币单位开始追上新的阅读由于电子气体氢输出并给出更好的赛车性能的。
The fuel payload need not be huge, either: just 1 kg (2.2 lb) of liquid hydrogen (26 litres at normal pressure) is enough to take the car 300 kilometres, says Spowers.
Spowers说:“燃料载荷也不需要很大,也就1kg(2.2磅)液态氢(26公升,常压)足够形势300公里了。”
Furthermore, vented batteries release more hydrogen and oxygen along with other corrosive gases, even under normal operating conditions.
另外,即使在正常工作条件下,开放式蓄电池会释放更多的氢气、氧气及其它腐蚀性气体。
The frequent fracture accidents of bolts, which connected hydrogen compressor crankshaft box with middle body, have caused enormous danger to normal production and safety.
氢气压缩机机组曲轴箱体与中体联接螺栓的频繁断裂,给企业生产、安全造成极大危害。
Small bowel transit time (SBTT) was detected in 45 patients with non-ulcer dyspepsia (NUD) and 32 normal volunteers using breath hydrogen test (BHT).
作者应用氢气呼吸试验法(BHT)测定非溃疡性消化不良(NUD)患者45例的小肠传递时间(SBTT),并与健康志愿者32名对比。
Small bowel transit time (SBTT) was detected in 45 patients with non-ulcer dyspepsia (NUD) and 32 normal volunteers using breath hydrogen test (BHT).
作者应用氢气呼吸试验法(BHT)测定非溃疡性消化不良(NUD)患者45例的小肠传递时间(SBTT),并与健康志愿者32名对比。
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