Metal is a common material in engineering. Which of the following is not a metal? A. iron B. aluminum C. glass D. copper 相关知识点: 试题来源: 解析 C。本题考查材料科学中金属的概念。铁(iron)、铝(aluminum)和铜(copper)都是常见的金属。而玻璃(glass)是一种非金属材料,主要由硅酸盐等组成...
awhen a compound contains a metal that can form more than one type of cation, the charge on the cation of the metal is designated by a Roman numeral placed in parentheses immediately following the name of the metal. 当化合物包含可能形成超过正离子的一个类型的一种金属时,充电在金属的正离子是...
英语翻译1.An organometallic compound of the formula (R1)m M(PR23)x,where M is a metal selected from the group consisting of manganese,technetium,rhenium,iron,ruthenium,osmium,nickel,palladium,and platinum; each R1 is independently selected from the group
百度试题 结果1 题目A metal ___ uranium gives off a kind of radiation. A. calling B. called C. is called D. which is calling 相关知识点: 试题来源: 解析 B B 反馈 收藏
To form a compound metal material, the first metal component is shaped and embedded in a ground matrix (8) of the second metal component. The shaped first metal is composed of fibers, in a number of fiber bundles, as at least one wire (6), at least one bundle of wires and/or a ...
binary coded notation binary compound semic binary condition binary internal numbe binary mask binary mixed crystal binary optical system binary phadse diagram binary qualitative re binary recordingbinar binary response data binary serializer binary storage device binary string binarybinary binary-to-octal ...
continuous vertical r continuous wave irrad continuous wave metal continuous wetting ph continuous-field meth continuous-timestocha continuous-tone print continuous-wave laser continuousanalyzer continuouscompoundrat continuously improve continuously reconstr continuously scanning continuousru ing continuum hypothesis...
In chemistry, a compound is a substance made up of two or more different chemicalelementscombined in a fixed ratio. When the elements come together, they react with each other and form chemical bonds that are difficult to break. These bonds form as a result of sharing or exchangingelectronsbe...
The___is a piece of metal,plastic or bone with teeth,used for tidying and arranging the hair.A.combB.alarmC.candle 相关知识点: 语法 词法 名词 名词辨析 试题来源: 解析 A 句意:梳子是一块有齿的金属、塑料或骨头,用来整理头发的东西。comb梳子;alarm警报;闹钟;candle蜡烛。故选A。反馈 ...
aLIGA is a German acronym that stands for Lithographie, Galvanoformung, Abformung – lithography, electroplating and moulding – and describes the sequence of processes used to produce metal parts made of nickel and nickel phosphorus. LIGA是代表Lithographie, Galvanoformung, Abformung的德国首字母缩略...