The concentrations of the active species of the system were determined by a 9iven method.
用特定方法确定了体系的活性中心浓度。
Dispersive states of the active species of the sublimable catalysts under decay were determined by XRD.
对衰化程度不同的升华型催化剂进行了X—射线衍射测定。
A reduced chemical kinetic model for knock prediction is developed. It includes 13 active species and 20 reactions.
提出一种用于汽油机爆震预测的简化自燃模型，该模型由13种成分、20个反应组成。
Using needle-to-plane electrodes plasma discharge in water, active species generated has been studied in this paper.
本文对尖-板电极水中脉冲放电产生的活性粒子进行了研究。
The hydroxyl radical was the main active species that promote the organic degradation by studying the mechanism of 4-CP degradation.
对有机物的降解机理分析表明，羟基自由基是促使有机物降解的主要活性物质。
Speculating reaction mechanism shows that the active species plays an important role in the reaction of molecular dissociation and the oxidation of the benzene rings.
并对反应机理进行推测，结果表明在反应中活性物种在分子键的断裂及苯环的氧化等方面起到重要的作用。
In several ionic living polymerization systems, there are two kinds of active species such as ion pairs and free ions, or contact ion pairs and solvent separated ion pairs.
在一些离子型活性聚合反应体系中，存在两种具有链增长反应活性的物种，例如自由离子和离子对。
Pulsed high voltage gas-liquid hybrid discharge could combine gas phase and liquid phase discharge to produce plenty of active species, such as ozone, hydrogen peroxide, hydroxyl radical etc.
高压脉冲气液混合放电利用气相和液相共同放电产生臭氧、双氧水、羟基自由基等活性物质，提高污染物去除效率和电源能量利用率。
This paper introduces the complexation and dissociation of different Lewis bases with active species in the area of anionic polymerization reported in literatures and elucidates their applications.
介绍和评述了文献中有关路易氏碱在阴离子聚合中对活性中心的络合和解缔作用。
Melanic forms, though, are particularly prevalent in species with complicated lives—those that inhabit a range of habitats, are active both day and night, and move between the ground and the trees.
可是，黑色外表为各种复杂形式的物种所有，它们栖息在不同地带、有白天活动的也有黑夜活动的、有在地面生存的也有在树上生存的。
Some species have personalities that vary between shy and bold, active and passive.
一些种类可以产生个性，有害羞的也有勇敢的，有积极的也有消极的。
The study also showed that the compound was active against all three major species of Schistosoma worms that infect humans.
研究还表明，这种化合物可以有效作用于三种引起人类感染的主要血吸虫种。
Unlike most frogs, these species are active during the day and often exhibit brightly-colored bodies.
和大多数青蛙不同，这类青蛙通常在白天活跃，并身体上显示出极其明亮的色彩！
The mechanism by which Resveratrol exerts such a range of beneficial effects across species and diseases model is interesting and now under active investigation.
白藜芦醇对许多物种和疾病发挥的有益功效引起人们兴趣，现在正处于积极研究中。
Some non-government organizations, like the Haribon Foundation are active with their "save our endangered species" programs to protect the whale sharks as well as other endangered creatures.
一些民间组织如食猿雕基金会就已经发起了“拯救濒危物种”的活动，以保护鲸鲨以寄其他濒危生物。
OBJECTIVE: According to content of active component in the Radix Pueraria, 18 samples of 7 species from different area were classified.
目的：对不同地区7种18个样品的葛属植物按其主要活性成分的含量进行分类。
Both species are most active in the morning shortly after sunrise, later seeking out shade and remaining inactive until late in the afternoon or the next morning.
所有种类在日出后的早晨最为活跃，持续寻找树荫并保持活跃到黄昏前或第二天早晨。
In nature, there are various species of proteins and active polypeptides possessing different biological functions.
在自然界中存在不同形态的蛋白质和活性多肽，它们具有不同的生物功能。
Thus the same brain region is active in parenting in both species.
因此，人类和绒猴在养育子女期间，他们大脑中的同一部位表现活跃。
Further research on dipsacaceae species will be necessary for better understanding of its new active constituents.
进一步开展川续断科植物的研究，对更好的发现新的药用活性成分有重要意义。
The detection of active oxygen species is in favor of investigating its function and the connection with other signals.
对活性氧的测定是对其功能以及与其它信号分子间关系研究的重要手段。
Together, the findings suggest that, somewhat unusually, active inbreeding is advantageous in this fish species.
总之，该发现表明，对于这种鱼类，有点异乎寻常的是现行的近亲繁殖是有利的。
The effect of different treatments with exogenous active oxygen species (H_2O_2, ′O_2 and·OH) on SOD activity as well as O_2~-· and MDA contents in fruit peel tissue was studied with Fuji apples.
以红富士苹果为试材，探讨了不同种类外源活性氧处理对果皮组织超氧化物歧化酶（SOD）活性以及超氧·）和丙二醛（MDA）含量的影响。
It is well known that ice-nucleating active (INA) bacteria can significantly elevate SCP of certain species of insects, thereby freeze occurs at higher temperature.
冰核活性细菌能显著提高昆虫的过冷却点，使之在较高的零下温度发生结冰。
It is well known that ice-nucleating active (INA) bacteria can significantly elevate SCP of certain species of insects, thereby freeze occurs at higher temperature.
冰核活性细菌能显著提高昆虫的过冷却点，使之在较高的零下温度发生结冰。
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