电化学方法是制备析氢电极材料最常用、最 简单的方法之一。
The electrochemical method is one of the most frequently used and simple methods for the preparation of electrode materials for hydrogen evolutioin.
第一个是鸡生蛋还是蛋生鸡的问题:由于几乎没有燃料电池的充电站、没有氢电汽车,因此就没有必要建立充电站;
The first is the chicken-and-egg problem that, as there are virtually no hydrogen filling-stations, there are no hydrogen cars—and hence there is no reason to build the filling-stations.
相反他认为大规模生产氢的解决方案在于使用可更新的电通过电解方式从水中提取氢。
Instead, he says, the solution to large-scale hydrogen production lies in using renewable electricity to extract hydrogen from water via electrolysis.
一个部分是电动的充电装置,另一个包括液态氢为燃料的电燃烧堆。
One contains an electric charging mechanism and the other includes electric combustion piles fueled by liquid hydrogen.
正是由于这些缺点,人们不得不选择其它效率较低的方法如生物电池或电等来产生氢。
This explains why there's a lot of effort going into things like biofuels and using electricity to produce hydrogen.
传统的燃料电池是通过催化材料(比如氢)来氧化燃料,然后使两电级间产生电流。
Traditional fuel cells work by using a catalytic material to oxidise a fuel, such as hydrogen, and make an electric current flow between two electrodes.
这款零排放汽车由氢-电混合动力驱动,燃料电池位于后部。
It is powered by a hydrogen-electric, emission-free, fuel cellsystem located at the rear.
这款卡车由使用氢作为燃料的内燃机驱动,装有一个功率分流传动装置,利用发电机产生的电进行功率分流。
The truck is powered by ahydrogen-fueled internal combustion engine. Vayro features a power-splittransmission that transmits the power electrically through an electricgenerator.
该款车的动力来源于锂离子电池或液态氢燃料的电堆。
The power source can either be a lithium-ion battery or electric piles that run by liquid hydrogen.
电池中的氢与氧气发生反应,产生电和水。
The hydrogen reacts with oxygen to produce electricity and water.
过去,这种被称之为“电-氢”的过程效率低,产氢气量少。
In the past, the process, which is known as electrohydrogenesis, has had poor efficiency rates and low hydrogen yields.
此外,替代燃料源(例如电牵引和氢燃料电池)的开发减少了工业搬运车的碳排放,使其成为更环保的解决方案。
Furthermore, the development of alternative fuel sources, like electric traction and hydrogen fuel cells, have reduced the carbon footprint of industrial trucks, making them a greener solution.
未经扩氢退火的电渣钢大锻件经超声波检验,未发现白点缺陷。
Ultrasonic testing shows on flake defects in theheavy forgings of ESR steel without any diffusion annealing.
并且考察了添加锑离子、铟离子对钒电池电性能特别是析氢行为的影响。
The influence of electrode activation and trace stibium ion, indium ion added into vanadium electrolyte has been discussed.
氢等离子体退火对电活性的位错态有显著的钝化作用。
They can be passivated with hydrogen plasma annealing and reactivated by subsequent thermal annealing in vacuum.
析氢反应在电化学能量转换、电化学工业、金属腐蚀和防护以及金属的电沉积等方面都具有重要的意义。
Hydrogen evolution reaction is significant to apply to electrochemical energy conversion, electrochemical industry, metallic corrosion and protection and metal electrodeposition.
文章指出,钛在一定条件下会发生阴极吸氢及电偶腐蚀,必须采取阴极保护。
It is pointed out that cathodic protection should be used when cathodic hydrogen absorption and galvanic corrosion occur to titanium under given conditions.
氢的替代亲核取代反应(VNS)是与硝基芳环的亲电反应、亲核反应不同的一种新反应。
Vicarious nucleophilic substitution (VNS) of hydrogen is a new type of reaction which is different from the usual electrophilic and nucleophilic reactions of the nitro arenes.
燃料电池中的氢和氧在催化剂作用下产生的电,能驱动汽车发动机等,排放的只有水蒸气。
In the fuel-cell, hydrogen and oxygen mix in the presence of catalyst to create electricity that drives engine of car and so on, and the water vapor is the only emission.
邻苯二甲酸氢铷(RAP)是一种有机极性离。产型晶体。本文通过实验研究了它在非极性轴方向的介电、DC电导、P -e曲线、光透过率等有关性能。
Rubidium acid phthalate (RAP) is an ionic organic polar crys-tal. In this paper, the experimental studies of its dielectric property, DCconductivity, P-E curve and transmission are reported.
以丰田为首的日本车厂则取巧地开发了油电混合动力技术,与氢无缘但已经开始赚钱。
Japanese car manufacturers that headed by Toyota develop electric and hybrid vehicles which has nothing to do with hydrogen but already profits.
氯化物水溶液电积锌时,阴极发生析锌反应的同时也发生析氢反应。
The cathodic reduction of zinc ion occurs with the hydrogen evolution in chloride solutions.
这些材料都具有一定的电化学储氢作用,煅烧玉米茎后所得多孔碳材料是一种较好的双电层电容电极材料。
XRD and TEM indicated that these materials are disordered porous carbon materials with many nanochannels of different sizes. They have the ability of electrochemical hydrogen storage.
这些材料都具有一定的电化学储氢作用,煅烧玉米茎后所得多孔碳材料是一种较好的双电层电容电极材料。
XRD and TEM indicated that these materials are disordered porous carbon materials with many nanochannels of different sizes. They have the ability of electrochemical hydrogen storage.
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