In any case, its activity is profoundly modified by various factors, which may be of either nervous or chemical origin.
无论如何，它的活动受到各种因素的强烈影响，这可能是神经因素，也可能是化学因素。
Textile dyes, such as indigo, were mostly of plant origin until the advent of synthetic chemical dyes.
在合成化学染料出现之前，诸如靛蓝之类的纺织染料主要来源于植物。
These capacities also include outbreaks of chemical, radiological and food origin.
这些能力也涉及化学、放射性和食源性事件的暴发。
The discovery that an organelle found inside parasites of this phylum probably stems from a plastid of plant origin has stimulated research on the effect of chemical herbicidal agents on Apicomplexa.
这个门类的原生动物寄生虫中发现的细胞器，可能源于植物来源质体，刺激了对于化学除草剂性剂对顶复门类作用的研究。
Other psychoactive drugs are "chemical" (pharmacological); they require modern chemistry to manufacture, and are therefore of much more recent origin.
而其他的各种精神药物都是“化学合成”(基于药理学合成)，它们需要通过现代的化学技术进行制造，因此，人类服用这些化学合成药物的历史更为短暂。
The science of petroleum geochemistry is the application of chemical principles to the study of the origin, migration, accumulation, and alteration of petroleum.
石油地球化学是应用化学原理研究石油的成因、运移、聚集与蚀变的科学。
Results The methods of quality evaluation about Radix Glycyrrhizae include produce place, origin, character, histology, chemical compositions and fingerprinting, etc.
结果甘草质量评价方法主要有产地评价、基源评价、性状评价、形态组织学评价、化学成分含量测定、指纹图谱等方法。
The changing characteristics and chemical components and origin of acid rain in Xiangtan urban area are analyzed according monitoring data of precipitation quality from 2001 to 2005.
根据2001 ~ 2005年湘潭市城区降水环境质量监测数据，对湘潭城区酸性降水的变化特征、离子化学组成、变化趋势和酸雨成因进行了分析。
The origin of life is thought to start at the transit from chemical evolution into biological evolution.
生命起源开始于从化学进化进入生物进化。
This study has provided much information about the origin of oil and gas in the Jiyang Depression and the physical and chemical formation conditions of immature to low mature oils.
研究结果为该坳陷油气成因及识别未熟—低熟油成油物理化学条件等提供了信息。
In the field of chemistry, the origin of universe, the structure of an atom, chemical affinity and catalytic reaction etc. are discussed and analysed by Yuanji theory.
用元极图理论剖析化学领域中有关宇宙起源、原子结构、化学亲和力及催化反应等理论问题。
The three volcanics are of kalium alkaline series, with their chemical elements showing the same magma origin.
三种火山岩均属钾质钙碱性系列，岩石化学成分显示为同源岩浆产物。
Results The plant origin, chemical structure and biological activities were outlined in this paper.
结果综合分析了紫堇属藏药中生物碱成分的植物来源、化学结构及生物活性。
Biochemical pesticides of microbial origin as development resources of new, low toxicity chemical pesticides have significant values.
微生物源生物化学农药作为低毒性新型化学农药的开发资源具有重要的开发价值。
Biotoxins as a sort of chemical compounds of biological origin play a very important role in military and biomedical fields.
生物毒素是一类具有重要军事和生物医学应用价值的生物源化学物质。
It describes a chemical system that can be built, and once it's built, you can watch the origin of evolution.
它描述了一个能建立的化学系统，而一旦这个系统得到建立，你就能看到演化的起源。
Abstract: With a wide botanical origin and complex chemical compositions, Brazilian propolis possesses various and prominent biological activities.
摘要：巴西蜂胶植物来源广泛，化学组成复杂，具有丰富而突出的生物学活性。
The correlations of Radix Polygoni Multiflori from the same origin were better and their chemical constituents were similar as a whole. No new constituents were found.
发酵何首乌与同一来源的何首乌、制何首乌之间相关性较好，化学成分总体相似，未发现新成分。
This article makes an analysis on the physical and chemical nature of dioxins, its analysis method, toxin, origin of pollution and its environmental effect on human body.
本文对二恶英的理化性质、分析方法、毒性、来源、污染的产生及其环境效应对人体健康的影响进行了评述。
Elemental and industrial analyses and TG experiments on origin wood and solid product of smolder are studied. In this part, chemical kinetics parameters are also gained.
对原始木屑和阴燃固体产物进行了元素分析、工业分析和热重分析，并且计算出原始木屑和炭的化学动力学参数。
The membrane coated with enzyme of plant origin or other chemical compounds has been prepared for the extraction of trace organophosphorus pesticides and their intermediates in water.
制作了涂渍植物来源的酶和不同化合物的萃取膜，萃取富集了水样中的有机磷农药和农药中间体残留。
ABSTRACT: Fine wines have unique chemical "fingerprints" that could authenticate their origin and quality, scientists have found.
摘要：科学研究发现，精品葡萄酒有着独特的“指纹”，可以验证其原产地和品质。
The chemical and pharmacological study of three origin plants for TCM Zushima was described.
对中药祖师麻3种基源植物进行了系统的化学和药理学比较研究。
Hydrodynamics constrains the origin of groundwater and its chemical properties.
地下水动力场的基本特征决定了地下水化学场的分布规律。
Hydrodynamics constrains the origin of groundwater and its chemical properties.
地下水动力场的基本特征决定了地下水化学场的分布规律。
应用推荐