概述了食品中分布的致突变物质及其化学构造。
This review summarizes several different types of the mutagenic compounds distributed in foods and their chemical structures.
它激活物质的内部化学构造，使它们的分子震动，然后碰撞在一起。
It roils the chemical innards of things, exciting their molecules to vibrate and crash into each other.
从那时起，Seeman和其他一些化学家开始向人们展示他们可以用DNA来构造极微小的东西。例如，比头发细1000倍的立方体和八面体。
Since then, Seeman and other chemists have shown that they can use DNA to build really simple shapes such as cubes or octahedrons that are 1, 000 times thinner than a human hair.
从那时起，Seeman和其他一些化学家开始向人们展示他们可以用DNA来构造极微小的东西。例如，比头发细1000倍的立方体和八面体。
Since then, Seeman and other chemists have shown that they can use DNA to build really simple shapes such as cubes or octahedrons that are 1,000 times thinner than a human hair.
或者输入“testosterone”（睾酮）后出现的是化学公式和信息、命名信息，以及多张分子图片，其中包括三维构造图。
Or typing "testosterone" brings up chemical formulas and information, naming information, and multiple images of the molecule, including 3D renderings.
研究了膜组件构造、膜曝气、反冲洗和化学清洗对膜污染的影响。
The effect of membrane unit construction, membrane aeration, back washing, and chemical cleaning on membrane fouling was investigated.
该模式指出，阜山金矿各构造物理化学参量的分布在矿区内是不均匀的，构造作用是控制成矿流体分布与状态的重要因素。
This model indicates that the distribution of each variation is inhomogeneous in the Fushan gold deposit and the tectonic process is the main controlling factor.
金属氧簇以其具有的特异、优越的物理化学性质，已经成为构造新型分子基功能材料的重要无机构筑块。
The metal-oxygen clusters have been employed to constructed novel molecules-based function materials owing to their particular physical chemistry properties.
在合适的温度、压力、化学及构造条件下，可以形成油田或气田。
Under the appropriate temperature, pressure, chemical and tectonic conditions, oil or gas field may be formed.
矿物：一种天然形成的无机元素或化合物(无机物)，它有着有序的内部构造、特有的化学成分、结晶形式和物理性质。
Mineral: a naturally occurring inorganic element or compound having an orderly internal structure and a characteristic chemical composition, crystal form, and physical properties.
这些地球化学特征反映其特定的地质构造环境。
These geochemical characteristics reflect a special geological-tectonic environment.
变质岩储集空间形成主要有：结晶成因、构造成因、物理风化成因、化学淋溶成因。
The factors related with metamorphic reservoir space are crystallization, structure, physical weathering, and chemical eluviation.
岩石化学特征表明火山岩形成于洋岛构造环境。
Its petrochemical characteristics show that the volcanics was formed in oceanic island tectonic environment.
元素的地球化学行为与地球构造动力之间的耦合作用是认识构造开合地球化学响应的理论基础。
The coupling between the element geochemical behavior and the tectonic dynamics of the Earth the theoretical basis for understanding the geochemical response of tectonic opening-closing.
本文在讨论白垩纪火山杂岩岩石学和岩石化学特征的基础上，对火山杂岩的构造环境和成因机制作了分析。
This paper analyses the tectonic environment and genetic mechanism for volcanic complex after discussing the petrology and petrochemistry characteristics of Cretaceous volcanic complex.
通过地球化学分区与构造演化的关系研究，探讨了地球化学区形成的构造过程。
According to the relationship between the geochemical division and the tectonic evolution, the tectonic process during the formation of geochemical regions is discussed.
从雅山花岗岩岩石结构构造、矿物成分、化学成分等变化规律分析研究入手，探讨雅山花岗岩类的演化与钽锂矿床成生关系。
Based on the analysis and research of AGB granite rock texture, mineral composition, chemical components, we explore the evolution of granitoids and tantalum lithium deposits relationship.
在此基础上，建立了区域中生代构造-流体-成岩成矿地球化学-体化系统模型。
The Mesozoic magmatism and polymetallic mineralization was caused by interaction between deep-derived fluids and Mesozoic multistage tectonic activities.
影响裂缝发育的主要因素是构造、物理风化和化学淋溶作用。
The main factors influenced fractures development are the tectogenesis, the physical weathering and the chemical dissolution.
本文主要阐述了对称性原理在原子构造中和化学键中的重要作用。
This paper mainly discussed the important role of symmetrical principle on atom structure and chemical bond.
这种深部构造信息也有可能通过地壳的动力变形和深部地球化学反应传递到地表。
The deep structural informations are also probably transmitted through mechanical deformations and deep geochemical reactions to the earth's surface.
碳酸盐岩次生渗透性是成岩作用、构造作用、水动力作用及生物化学作用的综合结果。
The secondary permeability of carbonate rocks is the result of comprehensive process of diagenesis, tectonics, hydrodynamics as well as of biochemistry.
地球化学是解决全球性重大地学理论课题(其中包括构造在内)必不可少的手段，而构造是完成某些地球化学作用的驱动力。
Geochemistry is an indispensable means of solving great geological tasks (including tectonics) on a global scale, and tectonics is a driving force finishing some geochemical processes.
构造地球化学方法是进行深部找矿预测的有效方法。
The method of structure geochemistry is a good way to prospecting on deep orebody.
构造地球化学方法是进行深部找矿预测的有效方法。
The method of structure geochemistry is a good way to prospecting on deep orebody.
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