range of activity

Heart rate variability ( HRV), referring to the phenomenon that heart rate range regularly within a certain period, is the indices of sympathetic and para-sympathetic activity.

心率变异性（HRV）是指窦性心律在一定时间内周期性改变的现象，是反映交感和副交感神经张力及其平衡的重要指标。

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Directly reflects the activity generated by tourism as eco-tourism activities as Changbai Mountain range and extent of environmental impacts.

最终将缓冲区分析所得到的结果、土地利用数据以及旅游规划之间进行空间分析，直接反映了由于旅游活动而产生的对长白山环境影响的范围以及程度。

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At present, the developments of the physical and chemical performances, mechanical properties, temperature tolerance, activity range and recycling of enzyme carrier cannot satisfy the demands of practical applications, which limit the popularization and application of bioreaction technology.

目前酶载体材料在物化性能、力学性能、耐温性、活性范围和再生等方面已不能满足使用要求，限制了生化反应技术的推广与应用。

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This paper summarizes the author ′ s work on solar activity prediction, A mid-range solar flare forecast scheme besed on synthesis and expounding of these work. The scheme can be applied to vocational work in peak value years of 22_ ( nd) solar activity cycle.

本文在综合作者在太阳活动预报工作的基础上，提出了太阳耀斑中期预报的一种方案，它可以应用于第22太阳活动周的预报业务中。

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However, rutile TiO2 under UV light was only good optical activity and photoinduced electrons and electronic-hole more likely to composite. Doping is a better means of changing the effective wavelength range of photoelectricity activity.

然而金红石相TiO2仅在紫外光条件下才具有良好的光电活性，且光生电子空穴对较易复合。

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Soil warming in a range of temperature will increase soil microbial activity and respiration rate.

在一定温度范围内，土壤变暖提高土壤微生物活性及呼吸率。

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Nano TiO2, because of its avirulence, harmless, good chemical stability and excellent photocatalytic activity, is in a wide range of applications of wastewater treatment, air purification and the sterilization as a new type of functional nano-material of environmental protection.

纳米TiO2因其无毒无害，良好的化学稳定性以及优异的光催化活性等特点，作为一种新型环保的功能纳米材料，在废水处理，空气净化，杀菌消毒等领域有着广泛的应用。

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The protease D was the major protease in the leaves and its activity attributed to more than 50% the total proteolytic activity in the leaves. The optimal temperature was in the range of 50-60? ℃, and with optimal pH 6-10 for the protease D activity.

蛋白酶D的活性占总蛋白降解活性的50%以上，其最适反应温度为50~60℃，在pH6~10的条件下均有很强的活性。

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Activity rhythm and home range of Alpine weasel

香鼬的活动节律和巢区

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The media should monitor the full range of state activity, and fearlessly expose abuses of official authority.

媒体应监督全方位的国家活动，并大胆揭露侵犯官方的权威。

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