催化剂可以分为两种：过渡金属双官能催化剂和过渡金属的碳氧化物催化剂。
The catalysts can divide into two kinds: the transition metal bifunctional catalysts and oxycarbide catalysts of transition metals.
目前看多是用诸如锌、铜等金属的氧化物，但碳原料的微小管件也被开发出来。
At the moment oxides of metals such as zinc and copper seem to be the favourites, but tiny tubes made of carbon are also being explored.
我们开始讲了7种金属，还有碳和硫磺，那就是Democritus的起点。
We started with just the seven metals and carbon plus sulfur, it was the point of departure for Democritus.
纳米碳管的直径仅有一米的十亿分之一长，是最理想的金属针。
Carbon nanotubes, which are just billionths of a metre across, seemed the perfect needle.
第一是使用碳复合材料制造的风机叶片(你在飞机上看到的最大叶片)，这种叶片远轻于当时金属制的叶片。
The first was to use carbon composites to make fan blades (the big ones you do see) far lighter than the metal ones of the time.
据悉，该皮带由聚氨酯材料制成，嵌有碳绳以使其富有张力，价格高于金属车链，只能安装在经过改装的车架上。
The belts, made of polyurethane and shot through with carbon cords to give them tensile strength, are more expensive than chains and can be installed only on frames adapted to their use.
这个过程无需高温，而且用大量纳米碳管取代了单金属灯丝释放电子。
This dispenses with the heat. Also, instead of having a single metal filament release the electrons, it relies on myriad carbon nanotubes to do the same thing.
碳鱼用金属纸铂包好放在柴草中烧，满室芬香，柴草的精华渗入到粉红色的鱼肉中。
Wrapped in foil, the char is covered in burning grasses. Aromatic and flavour-filled, the essence of these grasses seeps deeply into the soft pink flesh of the fish.
开始后续焊接前，所有碳弧气刨面区域应接地至洁净明亮的金属。
All carbon arc gouged surface areas shall be ground to clean bright metal prior to subsequent welding.
一节节的碳和玻璃纤维从机器中通过，并涂抹上树脂材料，然后缠绕上金属支架。
Lengths of carbon and glass fibre are drawn through a resin bath by the robot, and then wound around metal scaffolding.
“铝碳”，是在公园路洛克·维尔地铁车站对面的一个烧烤餐厅，坐落在一个有波纹金属遮阳棚的番茄红色小屋里。
Al Carbon, a grill restaurant on Park Road across from the Rockville Metro station, is housed in a tomato-red shack with corrugated-metal awnings.
用XPS测量了分散在碳箔载体上的金属钴和氧化钴的钴内层电子结合能和俄歇电子动能。
The core level binding energies and Auger energies of highly dispersed Co metal and CoO on carbon foil have been determined by using XPS.
金属化合物有硼化物、硅化物、复合碳比物等。
Metallic compounds include boride, silicious and compound carbide, etc.
如：仪器加工，金属标牌、烫金板、原子章、电池碳板、铜章、小型工艺元件切割等；
E. g. : instrument processing and cutting of metal signs, ironing boards, atomic stamps, carbon plate in battery, copper stamp and small artworks.
用砂型和金属型铸造时，加入微量铝可使含碳量在2.6～3.0％的中碳铸态材质得到屈氏体基体，并有较好的综合性能。
The addition of traces of Al could make the materials containing C ranged from 2.6-3.0% obtain troostite matrix both in sand molds and in metal, sand the materials have good synthetic properties.
给出了氢气的四种储存方法，其中金属氢化物和碳质吸附储氢两种方法，由于安全可靠，储存效率较高，是目前广泛研究的储氢方式。
This paper presents four storage methods. Metal hydride and carbon adsorption, due to its safety and high storage efficiency, have been investigated widely.
同时，阴极表面粗糙度、氧和碳沾污可以解释金属光阴极的实际灵敏度曲线与模型预测的偏离。
Surface smoothness, oxygen and carbon contaminants were enough to explain deviations of calibrated sensitivities from the models predictions for metal photocathodes.
制造：工业硅、金属镁、电石、高碳铬铁、硅铬合金、中低微碳铬铁。
Manufacturing: industrial silicon, metal magnesium, calcium carbide, high-carbon ferrochrome, silicon chromium alloys, low carbon ferrochrome China.
当金属含量较高时，这种碳笼结构的金属富勒烯化合物转变为金属碳化物。
When the transition metal content increases, the carbon cage can break up and metal carbides are formed.
电子发射体具有碳颗粒和金属氧化物颗粒。
The electron emitter has carbon particles and metal oxide particles.
为研究烟草中金属镉对人体健康的危害，采用玻碳汞膜电极阳极溶出伏安法对烟草中的金属镉进行了测定。
In order to study damage for body health of metal cadmium in tobacco, the metal cadmium in tobacco is analysed by Anodic Stripping Voltammetry with glassy carbon mercury film electrode.
主要元素组分一般是金属，但非金属碳是钢的重要组分。 收藏。
The components of alloys are ordinarily themselves metals, though carbon is an essential nonmetal component of steel.
本文综述了碳基材料、金属氧化物及水合物材料和导电聚合物材料作为超级电容器电极材料的最新研究进展。
The recent progress of researches on supercapacitors using carbon material, metal oxides and conducing polymer as electrode materials are described in this review paper.
用含有铁族金属硫化物的复合石墨棒作阳极，在氢气氛围下实施电弧放电，制备出了双壁纳米碳管。
Using the composite graphite rods with the sulphide of iron group metals as anode, the double-wall carbon nanotubes have been fabricated by arc discharging under hydrogen atmosphere.
本文在真空碳脱氧碱性平炉转子钢的试验中，就非金属夹杂物的特性，分析了真空碳脱氧这一新的工艺对转子锻件中非金属夹杂物的影响。
This paper analyzes the effect of vacuum carbon deoxidation process on the characteristic of the non-metal inclusion in the rotor forgings which were made of BOH steel by vacuum carbon deoxidation.
论述了碱金属元素对多种铁碳铸造合金的重要改性作用。
The modifying effects of alkali elements on various Fe-C cast alloys are presented.
一种配位(络合)化合物，其中的金属离子与氮、碳或氧等非金属原子结合生成有配位共价键的杂环。
An organic coordination (complexing) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.
一种配位(络合)化合物，其中的金属离子与氮、碳或氧等非金属原子结合生成有配位共价键的杂环。
An organic coordination (complexing) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.
应用推荐