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- transistion metal element 过渡金属元素
- Yes. iron is one of the metal element find in the earth. 知道。铁是地球上的金属元素之一。
- An alloy of two or more metallic elements. 合金两种或多种金属所合成的金属
- The content of heavy metal element of 16 species periglacial plant in Qinghai Daban mountain area was analyzed. 分析了青海达坂山地区16种高山植物重金属元素含量。
- Crystal beads are partially wrapped with a metal element that has multi-coloured crystals set in pav. 水晶珠部分包裹着的金属元素，具有多种颜色的晶体建立铺平。
- Titanium is a metallic element found in the earth's crust. 钛是在地壳中发现的金属元素。
- Yes. Iron is one of the metal elements found in the Earth. 知道。铁是地球上的金属元素之一。
- Polonium is a naturally radioactive metallic element. 钋是一种具有天然辐射性的金属元素。
- Methods Sampling of 33 specimens from surface water ,groundwater and spring water, do microbiological and metal element (iron, manganese) tests. 方法采集地表水、地下水、山泉水样本33份,进行微生物学检验及铁、锰等金属元素检测。
- Niobium is the metallic element with the highest transition temperature. 铌是转变温度最高的金属元素。
- Neodymium is a bright, silvery rare-earth metal element, found in monazite and bastnaesite and used for coloring glass and for doping some glass lasers. 1据查，钕是“一种亮银色的稀土金属元素，见于单独在石和氟碳锑矿中存在，用于给玻璃染色和给一些玻光器上色。
- There are about seventy metallic elements. 金属元素有七十种左右。
- Abstract： The variation feature and biological concentration factors of heavy metal element in commercial marine organisms from Daya Bay were discussed in this paper. 摘 要： 文章讨论了大亚湾主要经济类海洋生物体内重金属含量的变化特征及其富集能力。
- The mobility of the trace metal elements was different in HTA and CFBCA. 不同燃烧方式产生的煤灰中 ;微量重金属元素的浸取率不同 .
- The cultivated Anisodus tanguticus (Maxim.) Pascher of two year and three year in different growth phase was collected, and the content of heavy metal element as Pb, As, Hg, Cd was analysed by hydrogen generation-atomic absorption spectrometry. 采集两年生和三年生种植山莨菪在不同生长期的植物全植株，采用流动注射氢化法原子吸收光谱分别测试了其不同组织中铅、砷、汞、福等重金属元素含量。
- A safety device that protects an electric circuit from excessive current,consisting of or containing a metal element that melts when current exceeds a specific amperage,thereby opening the circuit. 保险丝，一种由金属构成的防止过多电流通过保护电路的一种安全装置，当电流超过限定的电流强度时，金属就会熔化，从而打开电路。
- A conductor termination in a switch or relay a metal element(usually of special alloy or plating)through which current flows when the device is closed and which separates from another contact to open the circuit. 开关或继电器的导体端部；（通常是合金或镀金的）一个金属片，当装置接通时电流流经它，当它同另一个触点分离时则切断电路。参阅relay。
- Because bi metal element in miniature circuit breaker is easily affected by ambient temperature change, the protective characteristic of overload will be changed with ambient temperature change. 由于小型断路器的双金属元件易受环境温度变化的影响,其脱扣特性也将随之改变。
- Structure: Reinforced concrete skeleton, steel structure. Facade with pre-fabricated modular glass and metal elements. 结构：钢筋混凝土骨架，钢结构，门面与预制组合式玻璃，金属元素
- Gold: a malleable ductile yellow metallic element that occurs chiefly free or in a few minerals. 金子:可煅造可延展的黄色金属元素,通常主要以游离态或在少数几种物质中出现。
