您要查找的是不是:
- using nonmetallic elements 非金属元素使用
- The nonmetallic element heals and destroys: Doctors use sulfur to treat fungal infections, but it is also a component of gunpowder. 这非金属的元素的和解和消灭:医生用硫磺治疗真菌感染,它也是组成黑色火药的成分。
- Ceramics are crystalline compounds combining metallic and nonmetallic elements. 陶瓷是由金属和非金属元素结合而成的水晶混合物。
- A nonmetallic element, such as carbon, that can form an alloy with metals. 非金属能与金属结合生成合金的非金属元素,例如碳元素
- A nonmetallic element,such as carbon,that can form an alloy with metals. 非金属能与金属结合生成合金的非金属元素,例如碳元素
- After analyzing the main damage reason of cast iron cooling staves, theory foundation of using nonmetallic cooling staves instead of metallic cooling staves was put forward. 在分析球墨铸铁冷却壁缺点的基础上,提出采用非金属冷却壁代替金属冷却壁的理论依据,并提出炉体的冷却结构方案。
- A nonmetallic element,such as arsenic,that has some of the chemical properties of a metal. 准金属,类金属具有一些金属化学特性的非金属元素,例如砷
- Most metallic and some nonmetallic elements will emit characteristic radiations. 大多数金属和某些非金属元素都会发出特征的射线。
- Any of a group of five chemically related nonmetallic elements including fluorine,chlorine,bromine,iodine,and astatine. 卤素包括氟、氯、溴、磺、砹有化学联系的五个非金属元素一族中的任何一个
- A nonmetallic element, such as arsenic, that has some of the chemical properties of a metal. 准金属,类金属具有一些金属化学特性的非金属元素,例如砷
- Any of a group of five chemically related nonmetallic elements including fluorine, chlorine, bromine, iodine, and astatine. 卤素包括氟、氯、溴、磺、砹有化学联系的五个非金属元素一族中的任何一个
- Any of the five nonmetallic elements with similar chemical properties: fluorine, chlorine, bromine, iodine (I), and astatine (At). 周期表VIIa族元素,包括五种化学性质类似的非金属元素:氟(F)、氯(Cl)、溴(Br)、碘(I)和(At)。
- Ceramics, which contain compounds of Both metallic and nonmetallic elements, are usually relatively resistant to severe mechanical, thermal, and chemical conditions. 陶瓷是由金属和非金属元素的化合物构成,通常能抗恶劣的机械、温度和化学环境。
- Meanwhile, the significance was that AAS, the special purpope instrument for metallicelements, could be used to determine nonmetallic elements directly. 更具有意义的是该方法的研究是利用原子吸收这一测定金属元素的专用仪器,完成了对非金属的直接测定。
- An abundant tasteless odorless multivalent nonmetallic element,best known in yellow crystals,occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions). 含量丰富、无味无嗅的多价非金属元素,在黄水晶中最为人熟知,见于许多硫化物和硫酸盐矿物中,甚至以天然形式存在(尤其在火山地区)。
- A common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume,a constituent of all living tissues. 一种常见的非金属元素,通常为无色无嗅无味的惰性二原子气体,体积占大气的78%25,活细胞的组成成分。
- A nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks). 一种非金属元素,属于卤素,尤其用于医药、摄影和印染,天然的碘仅以化合物形式少量存在(如在海水或岩石中)。
- Tell that joker to stop using my parking space. 叫那个家伙不要占用我的停车场。
- Instructions for using the tool can be found in the compendium. 在手册中可以找到这个工具的使用说明。
- The peasants fertilize the field by using manure. 农民们施肥来使土地肥沃。