详细解释
烯
1、即烯属烃 。含有一个或多个碳-碳间双键的一类不饱和脂肪烃
乙烯
环烯
2、即烯烃 。至少含有一个碳-碳间双键的不饱和开链烃
乙烯
丙烯
环烯
二烯
例句
然而，曹发现石墨烯有时会发生变化。
However, Cao found that sometimes graphene can change.
曹的论文是关于石墨烯的——世界上最薄却最坚硬的物质。
Cao's papers are about graphene (石墨烯), the thinnest and strongest in the world.
确切地说，角鲨烯是从鲨鱼肝脏中挤出的粘稠油。
Specifically, squalene is the gooey oil squeezed from the liver of a shark.
橄榄油，小麦胚芽油、米糠油中也含有天然的角鲨烯，但含量不多。
Olive oil, wheat germ oil, and rice bran oil also naturally contain squalene, albeit in smaller amounts.
石墨烯是一种只有单原子厚度的碳原子平面层——碳原子按蜂窝状晶格排列。
Graphene is a flat sheet of carbon just one atom thick—with the carbon atoms arranged in a honeycomb lattice.
在美国化学协会杂志刚发表的一篇论文《纳米》表示加入少许石墨烯也许就能解决这个问题。
A paper just published in the American Chemical Society's journal, Nano suggests a sprinkling of graphene may deal with this problem.
石墨烯最早在2004年诞生于一个实验室，本质上是一层由纯碳原子组成的蜂窝状晶格层，薄到竟被认为是二维物质。
First produced in a lab back in 2004, graphene is essentially a single layer of pure carbon atoms bonded together in a honeycomb lattice so thin it's actually considered two-dimensional.
烯空气跟空气十分近似。
Olefin gas closely approximates air.
公猪膻味来源于雄烯酮和粪臭素。
Boar taint originates from androstenone and skatole.
中离子碳烯类似于氮杂环碳烯。
Mesoionic carbenes are similar to N-heterocyclic carbenes.
生物脂质来源于酮脂酰和异戊二烯基团。
Biological lipids originate from ketoacyl and isoprene groups.
只有一些稀有物种产生有毒的单端孢霉烯。
Only a few rare species are known to produce the toxic trichothecenes.
它们影响碳青霉烯酶的确切方式目前尚不清楚。
The exact way they affect the carbapenemases is currently unknown.
他们感染了产生肺炎克雷伯氏菌碳青霉烯酶的细菌。
They were infected with bacteria producing the enzyme klebsiella pneumoniae carbapenemase.
菜籽油经水解制成十八烯酸，可制备各类改性醇酸树脂。
The hydrolysate of rapeseed oil, octadecenoic acid, can be used for modification of various alkyd resins.
研究了重氮烯氢向前手性烯烃单侧的非对映选择性转移。
Diastereoselective transfer of the diazene hydrogen to one face of the prochiral alkene was studied.
本研究为氰烯菌酯防治水稻恶苗病的应用提供了相关数据。
This study offers data for application JS399-19 on management of rice bakanae disease.
该复杂反应的特征在于酮-烯醇互变异构平衡和酯交换反应。
This complex reaction is characterized by a keto-enol tautomerism equilibrium and ester exchange reaction.
红细胞膜的微粘度值与花生四烯酸和二十二碳六烯酸负相关。
The microviscosity values of erythrocyte membrane were negatively correlated with the arachidonate and docosahexanoate.
研究了由二丙二醇单烯丙基醚制得的不饱和聚酯树脂的风干性能。
The air drying property of unsaturated polyester resin prepared from dipropylene glycol monoallyl ether was studied.
该试剂盒包含以下主要成分：磷酸烯醇丙酮酸羧化酶，丙酮酸脱氢酶和稳定剂。
The kit comprises the following main components: phosphoenol pyruvate carboxylase, pyruvate dehydrogenase and a stabilizer.
在雌性中，通过从胆固醇中合成雄烯二酮，开始在卵巢的间膜细胞中合成雌激素。
In females, synthesis of estrogens starts in theca interna cells in the ovary, by the synthesis of androstenedione from cholesterol.
研制出了测定河豚中烯丙孕素和氯地孕酮的超高效液相色谱-串联质谱检测方法。
A ultra performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS) method was developed for determination of altrenogest and chlormadinone in swellfish.
相比之下，17-α雄甾二烯抑制人和鼠组织的肿瘤细胞增殖和介导肿瘤细胞的凋亡。
In contrast, 17 alpha androstenediol inhibits proliferation and mediates apoptosis in tumor cells of murine and human origin.
赤芍主要挥发成分为（Z, Z）-9, 12-十八碳二烯酸，正十六碳酸和2-羟基苯甲醛。
The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
报道了一种以表面活性剂、丙二烯二胺和柠檬酸、EDTA为主要组分的硫化亚铁清洗剂配方和其在炼油装置应用的情况。
A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.
采用甲硫醇、呋喃硫醇、吡嗪、反-2，4-壬二烯醛和呋喃酮等主要的牛肉香气成分香原料，可以调配出香气逼真的炖牛肉香精。
Methanethiol, furanthiol, pyrazine, trans, trans-2,4-nonadienal and furfuran ketone were used to develop beef flavor.
这些石油副产品之一便是异戊二烯。
One of these petroleum by-products is isoprene.
角鲨烯被用于最广泛之处就是面霜了。
The most common use appears to be in facial moisturizer.
角鲨烯被用于最广泛之处就是面霜了。
The most common use appears to be in facial moisturizer.