百度试题 结果1 题目What is the chemical symbol for nitrogen? A. N B. Ni C. Na D. Ne 相关知识点: 试题来源: 解析 a) Sun
百度试题 结果1 题目The chemical symbol for oxygen is ___. A. O B. N C. C D. H 相关知识点: 试题来源: 解析 A。氧气的化学符号是 O,N 是氮,C 是碳,H 是氢。
Define Chemical agents. Chemical agents synonyms, Chemical agents pronunciation, Chemical agents translation, English dictionary definition of Chemical agents. n warfare in which chemicals other than explosives are used as weapons, esp warfare using asph
百度试题 结果1 题目核心词汇集释◎symbol n.象征;符号the symbol of ..的象征the symbol for ..的符号Au is the chemical symbolgold.金的化学元素符号是“Au”。 相关知识点: 试题来源: 解析 for
If carbon is not present, the elements are listed purely in alphabetical order of their symbol. This is the ‘Hill’ system used by Chemical Abstracts. This ordering is used in _chemical_formula_moiety and _chemical_formula_sum. _chemical_formula_项目指定化合物的组成和化学性质。分子式数据项...
Symbol: A 7. (Biochemistry) biology a measure of the degree of interaction between two molecules, such as an antigen and antibody or a hormone and its receptor [C14: via Old French from Latin affīnitāt- connected by marriage, from affīnis bordering on, related] afˈfinitive adj ...
What is the chemical symbol for copper?(铜的化学符号是什么?) Clouds of toxic fumes escaped in a huge chemical factory blaze.(从化工厂熊熊烈火中泄漏出团团有毒气体。) The company has evolved into a major chemical manufacturer.(这家公司已逐步发展成一个主要的化工厂。) Any progress in redu...
of the ore.经过化学分析,我们知道了矿石的构成。6. The chemical symbol for copper is "Cu".铜的化学符号是Cu。7. A reactor is a container for chemical reaction.反应器是进行化学反应的容器。8. The government has banned the use of chemical weapons.政府已经禁止使用化学武器。
Au is thechemicalsymbol for gold. `Au'是金的化学元素符号. Finally, a mineral must have definitechemicalcomposition. 再一点是一种矿物必须具有一定的化学成分。 The newchemicalwill exterminate the cockroaches. 新的化学药品将可以消灭蟑螂。 Thechemicalwas finally salted out. ...
Often Ostwald seems to think that a chemical capacity is just the symbol for a chemical element, plus a numerical coefficient to indicate how many units of this element are being combined. Surely, though, it is not the symbols themselves that are reacting, but masses or weights of the chemic...