On earth, 90 percent of the methane in the atmosphere comes from the biochemical activity of life.
在地球上，大气层中90 %的甲烷来自于生命的生物化学活动。
Conclusion After increasing the uptake of creatine, the muscle biochemical activity was improved and the metabolic rate of cells was increased.
结论增加肌酸摄入量，能改善肌肉生化基础，增强组织细胞代谢能力。
No one understands on a biochemical level why physical activity might help the brain.
在生物化学层面上，没有人能理解为什么身体锻炼有益于大脑。
The gene structure, biochemical characteristics, biological functions in solubilizing fibrin, enzyme activity assay, isolation and purification of nattokinase are reviewed in this paper.
本文就纳豆激酶的基因结构、生化特性、生物学功能、酶活性测定及分离纯化等方面进行了综述。
Methods: Biochemical methods were used to detect the contents of TP, ALB and the activity of che in the serum of arsenism patients.
方法：采用生物化学法检测燃煤型砷中毒患者血清中TP,ALB含量和CHE活性。
For the special molecular structure - lycopene is in possession of many particular biochemical characteristics and physiological activity.
番茄红素独特的分子结构使它具有很多特有的生物化学特性和生理活性。
The Change of antioxidant enzyme activity in Skeletonema costatum, Heterosigma akashiwo and Alexandrium tamarense under UV-B radiation enhancement was studied using biochemical methods.
利用生物化学的方法，研究了赤潮异弯藻、亚历山大藻和中肋骨条藻抗氧化酶活性对UV-B辐射增强的响应变化。
AIM: To observe the effects of Bushen Yiqi Chinese herb on blood biochemical index, activity of serum superoxide dismutase (SOD) and level of malonaldehyde (MDA) in sport rats.
目的：观察补肾益气类中药对运动大鼠血生化学指标、血清超氧化物歧化酶活性、丙二醛水平的影响。
Objective: To explore the relationship between salivary biochemical indices and caries activity in children and provide scientific basis for precautions against caries in children.
目的：了解幼儿龋病活跃性与唾液部分生化指标的关系，为筛选龋病活跃性幼儿提供理论依据。
Fermentation process is a biochemical process related to biotic activity of microbes, and its reaction mechanism is very complicated, so the theoretical model have not yet applied.
发酵过程是与微生物的生命活动相联系的生化过程，反应机理复杂，机理模型尚不成熟。
A modal of zinc deficiency in rats was made with dithizone feeding. The changes of the plasma zinc content and AKP activity were measured with biochemical and atomic absorption methods.
用双硫腙灌胃复制大鼠缺锌模型。采用生化和原子吸收法测定缺锌大鼠血浆碱性磷酸酶活性和锌浓度；
Thus, the size of the dry matter rate of leaves is an important physiological biochemical index for evaluating the state of plant growth and the activity of internal metabolism.
因此，叶片干物率的高低是衡量植株生长状况和内部代谢强弱的重要生理生化指标。
Scientists have identified the first biochemical marker linked to sleep loss, an enzyme in saliva known as amylase, which increases in activity when sleep deprivation is prolonged.
经研究发现首个与失眠有关的生化标记。该标记是唾液中的一种酶，学名淀粉酶。当延长睡眠剥夺时间时，这种淀粉酶的活性就会随之增高。
Abstract: This study was conducted to investigate the effects of heat stress on endocrine hormone content, antioxidant enzyme activity and physiological and serum biochemical indices of beef cattle.
摘要本试验旨在研究热应激对肉牛血清内分泌激素含量、抗氧化酶活性及生理生化指标的影响。
The mechanisms for the degradation activity of the extracts for cypermethrin may be related to the biochemical components, including degradation enzymes, in the extracts.
生化提取物降解氯氰菊酯农药残留的作用机理可能与生化提取物中的包括降解酶在内的多种生化成分有关。
Objective to study the feasibility of testing SOD activity in red blood cell with full automatic biochemical analysis appearance.
目的：探讨全自动生化分析仪检测红细胞内超氧化物歧化酶(SOD)活性的可行性。
The physiological and biochemical determination revealed that respiratory rate, carbohydrate contents and polyphenol oxidase activity changed regularly during the root regeneration.
生理生化测定显示：呼吸强度、碳水化合物含量、多酚氧化酶活性与根的再生过程相关，呈现规律性变化。
The contents of triglyceride and alkaline phosphatase activity were determined by biochemical assay.
采用生化分析仪测定细胞内甘油三酯含量及碱性磷酸酶活性。
Methods: the collagen content the types of collagen and the activity of collagen enzyme were surveyed by biochemical technique at the 3 rd, 6 th months postoperatively.
方法：采用生化法测定胶原含量、胶原类型及胶原酶的变化以反映固定3月及6月后胶原的变化。
A biochemical method, based on dehydrogenase activity (DHA) measurement, has been developed for measuring viable cell biomass and assessing the viability of fungal mycelium.
研究了一种基于测定脱氢酶活(DHA)的生化方法，用以测定真菌活细胞生物量和评价菌丝活力。
Methods The model of focal cerebral ischemia reperfusion in rat was established. The activity of calpain was measured dynamically by biochemical methods.
方法采用大鼠局灶脑缺血模型，观察辛伐他汀抗大鼠脑缺血再灌注损伤作用及钙蛋白酶活性的变化。
METHODS :The collagen and HA synthesis and NAG activity were determined by measuring the incorporation of3H-proline, radioimmunoassay and biochemical METHODrespectively.
方法：采用3H-脯氨酸掺入、放射免疫和荧光法分别测定胶原与HA合成及NAG活性。
Phenolic compounds have good antioxidant activity, and there is increasing evidence that this antioxidant activity affects biochemical pathways affiliated with inflammation in mammals.
酚类化合物具备很好的抗氧化性质，有越来越多的证据表明这些抗氧化性质会影响生化途径，而生化途径与哺乳动物的炎症相关。
Phenolic compounds have good antioxidant activity, and there is increasing evidence that this antioxidant activity affects biochemical pathways affiliated with inflammation in mammals.
酚类化合物具备很好的抗氧化性质，有越来越多的证据表明这些抗氧化性质会影响生化途径，而生化途径与哺乳动物的炎症相关。
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