Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions. 甚至是在自然状态下呈气态的氮元素,也通常以硝酸根离子的形式从土壤中被(植物)吸收。 考点解析 根据朗播专家权威分析,句子“Even nitrogen, which is a gas in its elemental state, is norma...
美[ˈnaɪtrədʒən] 英[ˈnaɪtrədʒ(ə)n] n.氮;氮气 网络液氮;含氮;氮含量 权威英汉双解 英汉 英英 网络释义 nitrogen n. 1. 氮;氮气a chemical element. Nitrogen is a gas that is found in large quantities in the earth's atmosphere....
WITH the aim of offering dramatic reductions in the cost and inconvenience of purchased gas, Manufacturing Service Solutions (MSS), a specialist in laser cutting technology, has reached an agreement with Domnick Hunter for the exclusive distribution of its range of nitrogen generation equipment for ...
答案 这个句子没有两个in,第2个in是is之误,正确的句子如下:Even nitrogen,which is a gas in its elemental state,is normally absorbed from the soil as nitrate ions.意思:即使是氮(常态下是一种气体),也是通常从... 相关推荐 1 为什么这个句子要加in? Evennitrogen,which is a gas in its elemental ...
What is the percentage ofnitrogenin air? 空气中所含的氮的比例是多少? 《简明英汉词典》 Nitrogenis a gas without colour or smell. 氮是一种无色无臭的气体. 《简明英汉词典》 The plant requiresnitrogenin order to make proteins. 植物需要氮以便制造蛋白质. ...
Nitrogen is a colourless element that has no smell and is usually found as a gas. It forms about 78% of the earth's atmosphere, and is found in all living things. nitrogen 单语例句 1. The report showed that in 2005 inorganic nitrogen and active phosphate were the main pollutants in of...
nitrogen gas 美 英 n.氮气 网络氮气制造机 英汉 网络释义 n. 1. 氮气 释义: 全部,氮气,氮气制造机
A.oxygen B.nitrogen C.carbon dioxide D. Methane 答案 5.ABCD优质解答相关推荐 1()5.In general,is a gas without colour or smell.A.oxygenB.nitrogenC.carbon dioxideD.methane( )5. In general,_ is a gas without colour or smell. A.oxygen B.nitrogen C.carbon dioxide D. Methane ...
The method 方法 : Burn a magnesium ribbon in the unknown gas and then heat the solid residue formedwith water. If the unknown gas containsnitrogen a pungent gas (ammonia) is formed which changes moist red litmuspaper to blue. 把镁条于未知气体中燃烧，然后把残留固体加水共热。若未知...
gas Nitrous oxide (dinitrogen monoxide, N2O), also known as laughing gas. This is one of a variety of nitrogen oxides that form a family often abbreviated as NOx. Nitric oxide (nitrogen monoxide, NO), is a natural free radical used in signal transduction in both plants and animals, for ...