But pentane, C5H12, has 3 possible isomers and C6H14, known as hexane, has 5.
但是戊烷 C5H12 有 3 种可能的异构体， 而称为己烷的 C6H14 有 5 种。
isomer
/'aɪsəmə/ /'aɪsəmɚ/
英汉-汉英词典
n. 异构体
形容词: isomeric
词组 | 习惯用语
您要查找的是不是：
- isomorph n. 同晶体；同构，同形
- isometric adj. 等大的,等容积的
- isomers n. [化]同分异构体（isomer的复数）
isomers n. [化学] 同分异构体（isomer的复数）
constitutional isomer 结构异构体
cis-trans isomer [物化] 顺-反异构体
positional isomer 位置异构物
geometrical isomer 几何异构体
trans isomer 反式异构体
geometric isomer 几何异构体
positional isomers 位置异构物
conformational isomer 构象异构体
optical isomer [物化] 光学异构体
网络短语:
Distinguishing geometrical isomers 区分几何异构体
Cresol mixed isomers 混合甲酚
thiol isomer thione isomers 硫酮式异构体
dextro isomer and leavo isomer 右旋体和左旋体
PHALLOIDIN TRITC LABELED MIXED ISOMERS 鬼笔环肽
dimethylbenzene isomers 二甲苯异构体
para isomer 对位异构体
cis isomer 顺式异构体
configurational isomer 立体异构体; 构型异构体;
英语例句库
- Both isomers show absorption hypochromicity and the same CV behavior associated with binding to B-form DNA.
结果表明，两种旋光对映体与DNA发生作用时具有相同的电化学行为和相同的紫外可见光谱。 - A rapid method based on ELISA was developed for determination of endosulfan isomers and endosulfan sulfate in wheat.
研究应用酶联免疫方法,快速检测小麦中硫丹及硫丹硫酸酯。 - A structural isomer of citral that is obtained from the oxidation of nerol and is used to make perfumes and flavorings.
顺丁烯二酸氧化形成的酸（如在脂肪和碳水化合物的新陈代谢中）。 - The isomers dostribution of ortho-and para-toluenesulfonamide are successfully determined by high performance liquidchromatography (HPLC) . The results are compared with ultraviolet-spectroscopy (UV).
本文采用高效液相色谱法(HPLC),成功地测定了邻、对甲苯磺酰胺的异构体分布,并用紫外光谱法(UV)作为对照的方法进行比较。 - Four isomers formed by a gold atom attached to a pentacene molecule were investigated by density functional theory due to their potential applications in molecular electronics.
用密度泛函理论研究了并五苯-金异构体的结构、电子光谱和二阶非线性光学性质。 - The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.
通过改变反应条件,研究了硝硫混酸硝化剂对甲苯一段硝化产物的邻对异构体比例、二硝化程度及2,6-二硝基甲苯与2,4-二硝基甲苯生成比例的影响。
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原声例句
Crash Course 综合篇
化学 Crash Course
Thus, no isomers with alkynes. Phew. OK I'm done describing for the moment.
因此，与炔烃没有异构体。呸。好的，我暂时完成描述。
化学 Crash Course
But if the parts are different, it's possible to have two totally different isomers of the same compound.
但是，如果部分不同，则同一化合物可能有两种完全不同的异构体。
化学 Crash Course
You would have to break the pi bond, and thus, the entire molecule to rotate between isomers.
你必须打破 pi 键，因此，整个分子才能在异构体之间旋转。
Crash Course 综合篇
These different structures for compounds that have the same molecular formula are called isomers.
具有相同分子式的化合物的这些不同结构称为异构体。
Scishow 精选系列
The kinked configuration is called the" cis isomer" and the straight one is the trans isomer.
结状排列成为“顺式异构体”线状排列，成为“反式异构体”。
Crash Course 综合篇
So the number of atoms is butane only allows for 2 isomers, n-butane and isobutane.
所以原子数是丁烷只允许2种异构体， 正丁烷和异丁烷。
Crash Course 综合篇
But looking at this table of the number of possible isomers you could see that that escalated quickly.
但是查看这张可能的异构体数量表， 您会发现它迅速增加。
化学 Crash Course
Well we know that they're unsaturated alkenes because saturated fats don't have double bonds, and thus, can't have cis- and trans- isomers.
我们知道它们是不饱和烯烃， 因为饱和脂肪没有双键，因此不会有顺式和反式异构体。
化学 Crash Course
They're not structural isomers like n-butane and i-butane, instead, they're what we call cis-trans isomers.
它们不是像正丁烷和正丁烷那样的结构异构体，相反，它们就是我们所说的顺反异构体。
中文百科
同分异构
同分异构体又称同分异构物，英文为Isomer。同分异构物指的是拥有相同分子式，但结构式却不相同的多种分子。同分异构物之间并不拥有相同的化学性质，除非它们拥有相同的官能团（functional groups）。化学中常见的两种主要的种类为结构异构（structural isomerism）以及立体异构（stereoisomerism）。
英语百科
Isomer 同分异构
In organic chemistry, an isomer (/ˈaɪsəmər/; from Greek ἰσομερής, isomerès; isos = "equal", méros = "part") is a molecule with the same molecular formula as another molecule, but with a different chemical structure. That is, isomers contain the same number of atoms of each element, but have different arrangements of their atoms. Isomers do not necessarily share similar properties, unless they also have the same functional groups. There are two main forms of isomerism (/ˈaɪsəmərɪzm/ or /aɪˈsɒmərɪzm/): structural isomerism (or constitutional isomerism) and stereoisomerism (or spatial isomerism).
近义、反义、联想词
近义词
n.compound, chemical compound
联想词
英英词典
isomer n.
- a compound that exists in forms having different arrangements of atoms but the same molecular weight
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