Quartz is quartz—a silicon ion surrounded by four oxygen ions—there's no difference at all between two-million-year-old Pleistocene quartz and Cambrian quartz created over 500 million years ago.
石英是石英——由四个氧离子围绕的硅离子——200万年前的更新世石英和5亿年前的寒武纪石英之间没有任何区别。
什么是负氧离子?
The electrolyte of an SOFC only transfers oxygen ions, not electrons.
由于燃料电池的电解液仅仅传递氧离子,而非电子,因此回路较长。
Because aluminum ions have charge of plus three and oxygen ions have charge of minus two.
因为铝离子为正三价,氧为负二价。
Oxygen ions from a cold cathode ion-gun have been used tor bombarding the growing thin films.
用一个冷阴极离子枪产生的氧离子轰击淀积过程中的薄膜表面。
Because of beneficial negative oxygen ions produced, oxygen-bar becomes a new favor of family medical service and health care market.
氧吧因其能产生有益身体健康的负氧离子而成为家庭医疗与保健市场的新宠。
The new superlattice electrolyte material opens wider gaps through which the oxygen ions can pass without having to be handed from atom to atom.
新的超晶格电解质材料内部结构具有更宽的缝隙让氧离子通过,而不必由一个原子传送给另一个原子。
The present work concerns in the experimental study on producing ma order of negative oxygen ions with a pocket permanent magnet Penning source.
文章涉及用袖珍永磁潘宁源产生毫安级氧负离子束的实验研究。
The paper presented the function of negative oxygen ion, explained what the anion powder is and expound the principle in producing negative oxygen ions.
论述了负氧离子的保健功能和奇冰石复合粉产生负氧离子的原理。
Located in the open-style lobby of the hotel, the bar presents an excellent view of the nearby waterfall and access to the refreshing negative oxygen ions.
森林半岛吧位于酒店开放式的大堂中,咫尺瀑布映入眼帘,负氧离子沁人心肺。
The team studied a well-known material, gadolinium doped ceria (GDC), which transports oxygen ions and is currently in use as a solid oxide fuel cell electrolyte.
这个研究小组研究了一种典型的材料,钆掺杂氧化铈(GDC),它用于运输氧离子,并且最近被用作一种固态氧化物燃料电池电解质。
The level of negative oxygen ions at Mumian Lake is over 70,000 per cubic centimeter, which is 350 times the amount in Beijing and 900 times the level of Chengdu!
每立方厘米的负氧离子数量达70000多个,在木棉湖每呼吸一口空气,所含的负氧离子是北京的350倍,是成都的900倍!
The efficiency of solid-oxide fuel cells is limited by the electrolyte's ability to transport oxygen ions, which must pass from atom to atom through the solid electrolyte.
固态氧化物燃料电池的效率受限于电解质传送氧离子的能力,而氧离子要在固态电解质的原子间传递。
To test this idea, she and her colleagues designed a device that USES short pulses of electricity to ionise the surrounding air, creating a purple plume of plasma rich in oxygen ions.
为了验证这个想法,她和同事们设计了一种设备,利用短脉冲电使周围空气离子化,产生紫色富含氧离子的等离子火焰。
Theresearch, which is published in the journal NatureCommunications, involves improving the transport of oxygen ions, a keycomponent in converting chemical energy into electricity.
这篇研究发表在《自然通信》上,内容涉及了化学能转变成电能的关键环节——氧离子传输的改进。
Meanwhile we contrast the inspect result of the small forest climate and air concentration of negative oxygen ions, in order to be the assistant indexes for the health assessment.
同时对林内小气候和空气负氧离子浓度进行了对比监测,作为健康评价的辅助指标。
The migration of oxygen ions in materials needs higher activation energy. The decrease of membrane thickness is one of the effective ways for obtaining higher oxygen permeating flux.
离子在材料中传导需要相对较高的活化能,减小透氧膜的厚度是获得高的透氧性能的有效途径。
Auroras happen when ions in the solar wind collide with atoms of oxygen and nitrogen in the upper atmosphere.
极光的出现缘于太阳风离子与高层大气中的氧氮原子的碰撞。
Cronin says early results suggest he can create a membrane that splits water into hydrogen ions, electrons and oxygen when illuminated - the initial step of photosynthesis.
克罗宁称,早期实验结果形成的细胞膜可将水分解为氢离子、氢电子和氧分子,这是光合作用的初始状态。
Sea spray – and, therefore, sea air – is full of negative hydrogen ions, charged particles that neutralise damaging free radicals (positive ions) and improve our ability to absorb oxygen.
大海溅起浪花,因而使海洋空气中富含负氢离子,抵消自由基(阳离子)带电粒子,增强我们的吸氧能力。
The ions and electrons met at the cathode, and combined with the oxygen to form lithium oxide that filled the pores in the carbon.
离子和电子在负极相遇,和氧气结合从而形成填入碳层的锂氧化物。
T he concentrations of ions in electrolyte were measured by normal analysis method, and the content of oxygen in electrolysis gas was measured by gas chromatography.
利用常规的滴定分析方法测定了电解液中各种离子的浓度,并利用气相色谱测定了电解气中的氧气纯度(体积分数)。
It was suspected that NO2 - ions, formed at the cathode by reduction, May have an adverse effect on the oxygen content of the sample.
人们曾经怀疑,在阴极通过还原作用而形成的NO2-离子可能对样品的氧含量有不利的影响。
The active oxygen generated from the action of silver ions sterilizes the refrigerator environment giving your food a protection shield and keeping it fresh for long hours.
从银色离子的行动引起的活跃氧气消毒给您的食物保护盾和保持它的冰箱环境新鲜在长时间。
With the equilibrium water content increasing, the absorption of protein on hydrogel enhanced, which reduced the permeability of the oxygen and ions of the material.
蛋白质在水凝胶上的吸附量随着水凝胶的平衡含水量增大而增大,吸附的蛋白质降低了水凝胶的离子通透性和透氧性。
Conclusion: Lanthanide ions can inhibit the production of active oxygen free radicals at low concentration, but it turned out contrary at high concentration.
结论:稀土离子在较低浓度时都能抑制活性氧自由基的生成。较高浓度时,作用相反。
The effects of the perovskite-type compositions, the additive of other metal ions and the sintering temperature of the membranes on the oxygen permeability of the materials were investigated.
探讨了钙钛矿基体氧化物、离子掺杂以及膜片烧结温度等对材料透氧性能的影响,并考察了膜催化反应器内的甲烷部分氧化反应情况。
Water containing no ions other than hydrogen, oxygen and hydroxyl ions. Usually produced through the use of ion exchange resins and used for the final rinse in pre-treatment processes.
除氢、氧、氢氧根离子而不含其它离子的水,一般是用离子交换树脂生产,用于前处理工艺的最后一道水洗。
The main factors influencing the oxidation of fatty acid in beer included temperature, light, oxygen, metal ions and antioxidant.
影响啤酒中脂肪酸氧化的主要因素有温度、光、氧气、金属离子及抗氧化剂。
The main factors influencing the oxidation of fatty acid in beer included temperature, light, oxygen, metal ions and antioxidant.
影响啤酒中脂肪酸氧化的主要因素有温度、光、氧气、金属离子及抗氧化剂。
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