英:[pɒlɪ'saɪklɪk]
美:[ˌpɒlɪ'saɪklɪk]
英:[pɒlɪ'saɪklɪk]
美:[ˌpɒlɪ'saɪklɪk]
poly·cy·clic
pa li si klihk [or] pa li sI klihk
adjective
having more than one fused, ringlike structures, used esp. in reference to organic molecules.
polycyclic aromatic hydrocarbon多环芳烃;稠环芳烃
多环的,多频率的:含多于一个环或频率的
poly- + cyclic >entry 1
The first known use of polycyclic was in 1869
polycyclicadjective
having more than one cyclic componentespecially: having two or more usually fused rings in a molecule
1 Incense in many Chinese homes and polycyclic aromatic hydrocarbons have been recovered from incense smoke.
很多中国人家里点香,香的烟中已经发现有多环芳香族碳氢化合物.
2 In the samples with the highest concentrations of pollutants, Van Landuyt and her colleagues found microbes known to degrade chemicals called polycyclic aromatic hydrocarbons, which occur naturally in coal, crude oil and gasoline.
3 When the collisional shock wave sweeps over that carbon, the atoms rearrange themselves into complicated molecules called polycyclic aromatic hydrocarbons (PAHs).
4 Cannabis smoke actually contains higher concentrations of carcinogenic polycyclic aromatic hydrocarbons ( PAHs ) than tobacco smoke.
抽叶子其实比抽烟含有更多的致癌的多环芳香烃化合物.
5 Polycyclic aromatic hydrocarbons ( PAHs ) are group of commonly seen environmental pollution, and existed in environment wide - ranging.
多环 芳烃 是一类常见的环境污染物, 在环境中广泛存在,由于其致癌性和致突变性而受到广泛关注.
6 The material contains aromatic hydrocarbons that include nitrogen, a subgroup called polycyclic aromatic nitrogen heterocycles.
7 Nitrated Polycyclic aromatic hydrocarbons are a class of important pollutants with direct mutagenicity.
硝基多环芳烃是一类重要的具有直接致突变性的环境污染物.
8 The organics, called polycyclic aromatic hydrocarbons, are dusty, carbon-containing molecules that help in the formation of stars.
有机物,被叫做多环的芳烃,是一些尘埃,含碳分子帮助恒星的形成。
9 Under normal circumstances, the polycyclic aromatic hydrocarbons help cool down star-forming clouds, allowing them to collapse into stars.
在正常情况下,多欢芳烃帮助冷却下来的恒星形成星云,并让他们再恒星内部崩解。
10 As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.
异氰基化合物进一步二聚成二苯基碳化二亚胺,后者又聚合生成含氮杂环的多环芳烃。
11 Objective To analyze the content of polycyclic aromatic hydrocarbons (PAHs) in mainstream smoke of 20 brands of Chinese cigarette.
目的检测20种主要国产品牌香烟主流烟雾中多环芳烃与焦油含量,并分析其是否有相关关系。
12 Charcoal - grilled foods contain a comparatively higher level of Polycyclic Aromatic Hydrocarbons ( PAHs ) .
碳烧食物所含的多环 芳香族 碳氢化合物通常相对较高.
13 The only byproduct is oxygen in contrast to carbon monoxide, polycyclic aromatic hydrocarbons (PAHs), and volatile organic compounds (VO VO -1.2%Cs) from other methods.
14 Polycyclic sedimentation formed an oil generating system with multiple polygenetic hydrocarbon.
多旋回沉积产生多元复合成烃的生油体系。
15 Polycyclic Aromatic Hydrocarbon - DNA ( PAH - DNA ) Adducts, as exposure biomarkers, have great significance for surveillance and molecular epidemiology.
PAH -DNA 加合物是一种暴露标记物, 在生物监测和流行病学研究中有重要意义.
16 Areas of experience and strong tectonic movement and almost every important crust tectonic movement, have corresponding magmatite, polycyclic magma activity.
区域经历了多阶段的强烈构造运动,而几乎每一次重要的地壳构造运动,都有相应的岩浆岩形成,具有多旋回岩浆活动特征。
17 The systematic changes of the igneous rock series and the genesis types have reflected polycyclic transference features of the crust and mantle materials.
火山岩系列和成因类型的系统变化,反映了多旋回壳幔物质迁移特证。
18 That testing found concerning levels of toxic contaminants, including arsenic and polycyclic aromatic hydrocarbons, at roughly two dozen of those sites.
19 In species of Pinus which are polycyclic flower initiation must occur over a wide time range.
具有多环球花的松树属种,其花的孕育期会延续较长的时间。
20 On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust.
在地球上, 可以在烤土司和汽车尾气中找到多环芳烃.
1 多环的